project.rs

   1pub mod agent_server_store;
   2pub mod buffer_store;
   3mod color_extractor;
   4pub mod connection_manager;
   5pub mod context_server_store;
   6pub mod debounced_delay;
   7pub mod debugger;
   8pub mod git_store;
   9pub mod image_store;
  10pub mod lsp_command;
  11pub mod lsp_store;
  12mod manifest_tree;
  13pub mod prettier_store;
  14pub mod project_settings;
  15pub mod search;
  16mod task_inventory;
  17pub mod task_store;
  18pub mod telemetry_snapshot;
  19pub mod terminals;
  20pub mod toolchain_store;
  21pub mod worktree_store;
  22
  23#[cfg(test)]
  24mod project_tests;
  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;
  33mod yarn;
  34
  35use dap::inline_value::{InlineValueLocation, VariableLookupKind, VariableScope};
  36use task::Shell;
  37
  38use crate::{
  39    agent_server_store::AllAgentServersSettings,
  40    git_store::GitStore,
  41    lsp_store::{SymbolLocation, log_store::LogKind},
  42};
  43pub use agent_server_store::{AgentServerStore, AgentServersUpdated, ExternalAgentServerName};
  44pub use git_store::{
  45    ConflictRegion, ConflictSet, ConflictSetSnapshot, ConflictSetUpdate,
  46    git_traversal::{ChildEntriesGitIter, GitEntry, GitEntryRef, GitTraversal},
  47};
  48pub use manifest_tree::ManifestTree;
  49
  50use anyhow::{Context as _, Result, anyhow};
  51use buffer_store::{BufferStore, BufferStoreEvent};
  52use client::{Client, Collaborator, PendingEntitySubscription, TypedEnvelope, UserStore, proto};
  53use clock::ReplicaId;
  54
  55use dap::client::DebugAdapterClient;
  56
  57use collections::{BTreeSet, HashMap, HashSet, IndexSet};
  58use debounced_delay::DebouncedDelay;
  59pub use debugger::breakpoint_store::BreakpointWithPosition;
  60use debugger::{
  61    breakpoint_store::{ActiveStackFrame, BreakpointStore},
  62    dap_store::{DapStore, DapStoreEvent},
  63    session::Session,
  64};
  65pub use environment::ProjectEnvironment;
  66#[cfg(test)]
  67use futures::future::join_all;
  68use futures::{
  69    StreamExt,
  70    channel::mpsc::{self, UnboundedReceiver},
  71    future::{Shared, try_join_all},
  72};
  73pub use image_store::{ImageItem, ImageStore};
  74use image_store::{ImageItemEvent, ImageStoreEvent};
  75
  76use ::git::{blame::Blame, status::FileStatus};
  77use gpui::{
  78    App, AppContext, AsyncApp, BorrowAppContext, Context, Entity, EventEmitter, Hsla, SharedString,
  79    Task, WeakEntity, Window,
  80};
  81use language::{
  82    Buffer, BufferEvent, Capability, CodeLabel, CursorShape, Language, LanguageName,
  83    LanguageRegistry, PointUtf16, ToOffset, ToPointUtf16, Toolchain, ToolchainMetadata,
  84    ToolchainScope, Transaction, Unclipped, language_settings::InlayHintKind,
  85    proto::split_operations,
  86};
  87use lsp::{
  88    CodeActionKind, CompletionContext, CompletionItemKind, DocumentHighlightKind, InsertTextMode,
  89    LanguageServerId, LanguageServerName, LanguageServerSelector, MessageActionItem,
  90};
  91use lsp_command::*;
  92use lsp_store::{CompletionDocumentation, LspFormatTarget, OpenLspBufferHandle};
  93pub use manifest_tree::ManifestProvidersStore;
  94use node_runtime::NodeRuntime;
  95use parking_lot::Mutex;
  96pub use prettier_store::PrettierStore;
  97use project_settings::{ProjectSettings, SettingsObserver, SettingsObserverEvent};
  98use remote::{RemoteClient, RemoteConnectionOptions};
  99use rpc::{
 100    AnyProtoClient, ErrorCode,
 101    proto::{LanguageServerPromptResponse, REMOTE_SERVER_PROJECT_ID},
 102};
 103use search::{SearchInputKind, SearchQuery, SearchResult};
 104use search_history::SearchHistory;
 105use settings::{InvalidSettingsError, Settings, SettingsLocation, SettingsStore};
 106use smol::channel::Receiver;
 107use snippet::Snippet;
 108use snippet_provider::SnippetProvider;
 109use std::{
 110    borrow::Cow,
 111    collections::BTreeMap,
 112    ops::Range,
 113    path::{Path, PathBuf},
 114    pin::pin,
 115    str,
 116    sync::Arc,
 117    time::Duration,
 118};
 119
 120use task_store::TaskStore;
 121use terminals::Terminals;
 122use text::{Anchor, BufferId, OffsetRangeExt, Point, Rope};
 123use toolchain_store::EmptyToolchainStore;
 124use util::{
 125    ResultExt as _, maybe,
 126    paths::{PathStyle, SanitizedPath, compare_paths, is_absolute},
 127    rel_path::RelPath,
 128};
 129use worktree::{CreatedEntry, Snapshot, Traversal};
 130pub use worktree::{
 131    Entry, EntryKind, FS_WATCH_LATENCY, File, LocalWorktree, PathChange, ProjectEntryId,
 132    UpdatedEntriesSet, UpdatedGitRepositoriesSet, Worktree, WorktreeId, WorktreeSettings,
 133};
 134use worktree_store::{WorktreeStore, WorktreeStoreEvent};
 135
 136pub use fs::*;
 137pub use language::Location;
 138#[cfg(any(test, feature = "test-support"))]
 139pub use prettier::FORMAT_SUFFIX as TEST_PRETTIER_FORMAT_SUFFIX;
 140pub use task_inventory::{
 141    BasicContextProvider, ContextProviderWithTasks, DebugScenarioContext, Inventory, TaskContexts,
 142    TaskSourceKind,
 143};
 144
 145pub use buffer_store::ProjectTransaction;
 146pub use lsp_store::{
 147    DiagnosticSummary, InvalidationStrategy, LanguageServerLogType, LanguageServerProgress,
 148    LanguageServerPromptRequest, LanguageServerStatus, LanguageServerToQuery, LspStore,
 149    LspStoreEvent, ProgressToken, SERVER_PROGRESS_THROTTLE_TIMEOUT,
 150};
 151pub use toolchain_store::{ToolchainStore, Toolchains};
 152const MAX_PROJECT_SEARCH_HISTORY_SIZE: usize = 500;
 153const MAX_SEARCH_RESULT_FILES: usize = 5_000;
 154const MAX_SEARCH_RESULT_RANGES: usize = 10_000;
 155
 156pub trait ProjectItem: 'static {
 157    fn try_open(
 158        project: &Entity<Project>,
 159        path: &ProjectPath,
 160        cx: &mut App,
 161    ) -> Option<Task<Result<Entity<Self>>>>
 162    where
 163        Self: Sized;
 164    fn entry_id(&self, cx: &App) -> Option<ProjectEntryId>;
 165    fn project_path(&self, cx: &App) -> Option<ProjectPath>;
 166    fn is_dirty(&self) -> bool;
 167}
 168
 169#[derive(Clone)]
 170pub enum OpenedBufferEvent {
 171    Disconnected,
 172    Ok(BufferId),
 173    Err(BufferId, Arc<anyhow::Error>),
 174}
 175
 176/// Semantics-aware entity that is relevant to one or more [`Worktree`] with the files.
 177/// `Project` is responsible for tasks, LSP and collab queries, synchronizing worktree states accordingly.
 178/// Maps [`Worktree`] entries with its own logic using [`ProjectEntryId`] and [`ProjectPath`] structs.
 179///
 180/// Can be either local (for the project opened on the same host) or remote.(for collab projects, browsed by multiple remote users).
 181pub struct Project {
 182    active_entry: Option<ProjectEntryId>,
 183    buffer_ordered_messages_tx: mpsc::UnboundedSender<BufferOrderedMessage>,
 184    languages: Arc<LanguageRegistry>,
 185    dap_store: Entity<DapStore>,
 186    agent_server_store: Entity<AgentServerStore>,
 187
 188    breakpoint_store: Entity<BreakpointStore>,
 189    collab_client: Arc<client::Client>,
 190    join_project_response_message_id: u32,
 191    task_store: Entity<TaskStore>,
 192    user_store: Entity<UserStore>,
 193    fs: Arc<dyn Fs>,
 194    remote_client: Option<Entity<RemoteClient>>,
 195    client_state: ProjectClientState,
 196    git_store: Entity<GitStore>,
 197    collaborators: HashMap<proto::PeerId, Collaborator>,
 198    client_subscriptions: Vec<client::Subscription>,
 199    worktree_store: Entity<WorktreeStore>,
 200    buffer_store: Entity<BufferStore>,
 201    context_server_store: Entity<ContextServerStore>,
 202    image_store: Entity<ImageStore>,
 203    lsp_store: Entity<LspStore>,
 204    _subscriptions: Vec<gpui::Subscription>,
 205    buffers_needing_diff: HashSet<WeakEntity<Buffer>>,
 206    git_diff_debouncer: DebouncedDelay<Self>,
 207    remotely_created_models: Arc<Mutex<RemotelyCreatedModels>>,
 208    terminals: Terminals,
 209    node: Option<NodeRuntime>,
 210    search_history: SearchHistory,
 211    search_included_history: SearchHistory,
 212    search_excluded_history: SearchHistory,
 213    snippets: Entity<SnippetProvider>,
 214    environment: Entity<ProjectEnvironment>,
 215    settings_observer: Entity<SettingsObserver>,
 216    toolchain_store: Option<Entity<ToolchainStore>>,
 217    agent_location: Option<AgentLocation>,
 218}
 219
 220#[derive(Clone, Debug, PartialEq, Eq)]
 221pub struct AgentLocation {
 222    pub buffer: WeakEntity<Buffer>,
 223    pub position: Anchor,
 224}
 225
 226#[derive(Default)]
 227struct RemotelyCreatedModels {
 228    worktrees: Vec<Entity<Worktree>>,
 229    buffers: Vec<Entity<Buffer>>,
 230    retain_count: usize,
 231}
 232
 233struct RemotelyCreatedModelGuard {
 234    remote_models: std::sync::Weak<Mutex<RemotelyCreatedModels>>,
 235}
 236
 237impl Drop for RemotelyCreatedModelGuard {
 238    fn drop(&mut self) {
 239        if let Some(remote_models) = self.remote_models.upgrade() {
 240            let mut remote_models = remote_models.lock();
 241            assert!(
 242                remote_models.retain_count > 0,
 243                "RemotelyCreatedModelGuard dropped too many times"
 244            );
 245            remote_models.retain_count -= 1;
 246            if remote_models.retain_count == 0 {
 247                remote_models.buffers.clear();
 248                remote_models.worktrees.clear();
 249            }
 250        }
 251    }
 252}
 253/// Message ordered with respect to buffer operations
 254#[derive(Debug)]
 255enum BufferOrderedMessage {
 256    Operation {
 257        buffer_id: BufferId,
 258        operation: proto::Operation,
 259    },
 260    LanguageServerUpdate {
 261        language_server_id: LanguageServerId,
 262        message: proto::update_language_server::Variant,
 263        name: Option<LanguageServerName>,
 264    },
 265    Resync,
 266}
 267
 268#[derive(Debug)]
 269enum ProjectClientState {
 270    /// Single-player mode.
 271    Local,
 272    /// Multi-player mode but still a local project.
 273    Shared { remote_id: u64 },
 274    /// Multi-player mode but working on a remote project.
 275    Remote {
 276        sharing_has_stopped: bool,
 277        capability: Capability,
 278        remote_id: u64,
 279        replica_id: ReplicaId,
 280    },
 281}
 282
 283#[derive(Clone, Debug, PartialEq)]
 284pub enum Event {
 285    LanguageServerAdded(LanguageServerId, LanguageServerName, Option<WorktreeId>),
 286    LanguageServerRemoved(LanguageServerId),
 287    LanguageServerLog(LanguageServerId, LanguageServerLogType, String),
 288    // [`lsp::notification::DidOpenTextDocument`] was sent to this server using the buffer data.
 289    // Zed's buffer-related data is updated accordingly.
 290    LanguageServerBufferRegistered {
 291        server_id: LanguageServerId,
 292        buffer_id: BufferId,
 293        buffer_abs_path: PathBuf,
 294        name: Option<LanguageServerName>,
 295    },
 296    ToggleLspLogs {
 297        server_id: LanguageServerId,
 298        enabled: bool,
 299        toggled_log_kind: LogKind,
 300    },
 301    Toast {
 302        notification_id: SharedString,
 303        message: String,
 304    },
 305    HideToast {
 306        notification_id: SharedString,
 307    },
 308    LanguageServerPrompt(LanguageServerPromptRequest),
 309    LanguageNotFound(Entity<Buffer>),
 310    ActiveEntryChanged(Option<ProjectEntryId>),
 311    ActivateProjectPanel,
 312    WorktreeAdded(WorktreeId),
 313    WorktreeOrderChanged,
 314    WorktreeRemoved(WorktreeId),
 315    WorktreeUpdatedEntries(WorktreeId, UpdatedEntriesSet),
 316    DiskBasedDiagnosticsStarted {
 317        language_server_id: LanguageServerId,
 318    },
 319    DiskBasedDiagnosticsFinished {
 320        language_server_id: LanguageServerId,
 321    },
 322    DiagnosticsUpdated {
 323        paths: Vec<ProjectPath>,
 324        language_server_id: LanguageServerId,
 325    },
 326    RemoteIdChanged(Option<u64>),
 327    DisconnectedFromHost,
 328    DisconnectedFromSshRemote,
 329    Closed,
 330    DeletedEntry(WorktreeId, ProjectEntryId),
 331    CollaboratorUpdated {
 332        old_peer_id: proto::PeerId,
 333        new_peer_id: proto::PeerId,
 334    },
 335    CollaboratorJoined(proto::PeerId),
 336    CollaboratorLeft(proto::PeerId),
 337    HostReshared,
 338    Reshared,
 339    Rejoined,
 340    RefreshInlayHints(LanguageServerId),
 341    RefreshCodeLens,
 342    RevealInProjectPanel(ProjectEntryId),
 343    SnippetEdit(BufferId, Vec<(lsp::Range, Snippet)>),
 344    ExpandedAllForEntry(WorktreeId, ProjectEntryId),
 345    EntryRenamed(ProjectTransaction),
 346    AgentLocationChanged,
 347}
 348
 349pub struct AgentLocationChanged;
 350
 351pub enum DebugAdapterClientState {
 352    Starting(Task<Option<Arc<DebugAdapterClient>>>),
 353    Running(Arc<DebugAdapterClient>),
 354}
 355
 356#[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord)]
 357pub struct ProjectPath {
 358    pub worktree_id: WorktreeId,
 359    pub path: Arc<RelPath>,
 360}
 361
 362impl ProjectPath {
 363    pub fn from_file(value: &dyn language::File, cx: &App) -> Self {
 364        ProjectPath {
 365            worktree_id: value.worktree_id(cx),
 366            path: value.path().clone(),
 367        }
 368    }
 369
 370    pub fn from_proto(p: proto::ProjectPath) -> Option<Self> {
 371        Some(Self {
 372            worktree_id: WorktreeId::from_proto(p.worktree_id),
 373            path: RelPath::from_proto(&p.path).log_err()?,
 374        })
 375    }
 376
 377    pub fn to_proto(&self) -> proto::ProjectPath {
 378        proto::ProjectPath {
 379            worktree_id: self.worktree_id.to_proto(),
 380            path: self.path.as_ref().to_proto(),
 381        }
 382    }
 383
 384    pub fn root_path(worktree_id: WorktreeId) -> Self {
 385        Self {
 386            worktree_id,
 387            path: RelPath::empty().into(),
 388        }
 389    }
 390
 391    pub fn starts_with(&self, other: &ProjectPath) -> bool {
 392        self.worktree_id == other.worktree_id && self.path.starts_with(&other.path)
 393    }
 394}
 395
 396#[derive(Debug, Default)]
 397pub enum PrepareRenameResponse {
 398    Success(Range<Anchor>),
 399    OnlyUnpreparedRenameSupported,
 400    #[default]
 401    InvalidPosition,
 402}
 403
 404#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
 405pub enum InlayId {
 406    EditPrediction(usize),
 407    DebuggerValue(usize),
 408    // LSP
 409    Hint(usize),
 410    Color(usize),
 411}
 412
 413impl InlayId {
 414    pub fn id(&self) -> usize {
 415        match self {
 416            Self::EditPrediction(id) => *id,
 417            Self::DebuggerValue(id) => *id,
 418            Self::Hint(id) => *id,
 419            Self::Color(id) => *id,
 420        }
 421    }
 422}
 423
 424#[derive(Debug, Clone, PartialEq, Eq)]
 425pub struct InlayHint {
 426    pub position: language::Anchor,
 427    pub label: InlayHintLabel,
 428    pub kind: Option<InlayHintKind>,
 429    pub padding_left: bool,
 430    pub padding_right: bool,
 431    pub tooltip: Option<InlayHintTooltip>,
 432    pub resolve_state: ResolveState,
 433}
 434
 435/// The user's intent behind a given completion confirmation
 436#[derive(PartialEq, Eq, Hash, Debug, Clone, Copy)]
 437pub enum CompletionIntent {
 438    /// The user intends to 'commit' this result, if possible
 439    /// completion confirmations should run side effects.
 440    ///
 441    /// For LSP completions, will respect the setting `completions.lsp_insert_mode`.
 442    Complete,
 443    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `insert`.
 444    CompleteWithInsert,
 445    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `replace`.
 446    CompleteWithReplace,
 447    /// The user intends to continue 'composing' this completion
 448    /// completion confirmations should not run side effects and
 449    /// let the user continue composing their action
 450    Compose,
 451}
 452
 453impl CompletionIntent {
 454    pub fn is_complete(&self) -> bool {
 455        self == &Self::Complete
 456    }
 457
 458    pub fn is_compose(&self) -> bool {
 459        self == &Self::Compose
 460    }
 461}
 462
 463/// Similar to `CoreCompletion`, but with extra metadata attached.
 464#[derive(Clone)]
 465pub struct Completion {
 466    /// The range of text that will be replaced by this completion.
 467    pub replace_range: Range<Anchor>,
 468    /// The new text that will be inserted.
 469    pub new_text: String,
 470    /// A label for this completion that is shown in the menu.
 471    pub label: CodeLabel,
 472    /// The documentation for this completion.
 473    pub documentation: Option<CompletionDocumentation>,
 474    /// Completion data source which it was constructed from.
 475    pub source: CompletionSource,
 476    /// A path to an icon for this completion that is shown in the menu.
 477    pub icon_path: Option<SharedString>,
 478    /// Whether to adjust indentation (the default) or not.
 479    pub insert_text_mode: Option<InsertTextMode>,
 480    /// An optional callback to invoke when this completion is confirmed.
 481    /// Returns, whether new completions should be retriggered after the current one.
 482    /// If `true` is returned, the editor will show a new completion menu after this completion is confirmed.
 483    /// if no confirmation is provided or `false` is returned, the completion will be committed.
 484    pub confirm: Option<Arc<dyn Send + Sync + Fn(CompletionIntent, &mut Window, &mut App) -> bool>>,
 485}
 486
 487#[derive(Debug, Clone)]
 488pub enum CompletionSource {
 489    Lsp {
 490        /// The alternate `insert` range, if provided by the LSP server.
 491        insert_range: Option<Range<Anchor>>,
 492        /// The id of the language server that produced this completion.
 493        server_id: LanguageServerId,
 494        /// The raw completion provided by the language server.
 495        lsp_completion: Box<lsp::CompletionItem>,
 496        /// A set of defaults for this completion item.
 497        lsp_defaults: Option<Arc<lsp::CompletionListItemDefaults>>,
 498        /// Whether this completion has been resolved, to ensure it happens once per completion.
 499        resolved: bool,
 500    },
 501    Dap {
 502        /// The sort text for this completion.
 503        sort_text: String,
 504    },
 505    Custom,
 506    BufferWord {
 507        word_range: Range<Anchor>,
 508        resolved: bool,
 509    },
 510}
 511
 512impl CompletionSource {
 513    pub fn server_id(&self) -> Option<LanguageServerId> {
 514        if let CompletionSource::Lsp { server_id, .. } = self {
 515            Some(*server_id)
 516        } else {
 517            None
 518        }
 519    }
 520
 521    pub fn lsp_completion(&self, apply_defaults: bool) -> Option<Cow<'_, lsp::CompletionItem>> {
 522        if let Self::Lsp {
 523            lsp_completion,
 524            lsp_defaults,
 525            ..
 526        } = self
 527        {
 528            if apply_defaults && let Some(lsp_defaults) = lsp_defaults {
 529                let mut completion_with_defaults = *lsp_completion.clone();
 530                let default_commit_characters = lsp_defaults.commit_characters.as_ref();
 531                let default_edit_range = lsp_defaults.edit_range.as_ref();
 532                let default_insert_text_format = lsp_defaults.insert_text_format.as_ref();
 533                let default_insert_text_mode = lsp_defaults.insert_text_mode.as_ref();
 534
 535                if default_commit_characters.is_some()
 536                    || default_edit_range.is_some()
 537                    || default_insert_text_format.is_some()
 538                    || default_insert_text_mode.is_some()
 539                {
 540                    if completion_with_defaults.commit_characters.is_none()
 541                        && default_commit_characters.is_some()
 542                    {
 543                        completion_with_defaults.commit_characters =
 544                            default_commit_characters.cloned()
 545                    }
 546                    if completion_with_defaults.text_edit.is_none() {
 547                        match default_edit_range {
 548                            Some(lsp::CompletionListItemDefaultsEditRange::Range(range)) => {
 549                                completion_with_defaults.text_edit =
 550                                    Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
 551                                        range: *range,
 552                                        new_text: completion_with_defaults.label.clone(),
 553                                    }))
 554                            }
 555                            Some(lsp::CompletionListItemDefaultsEditRange::InsertAndReplace {
 556                                insert,
 557                                replace,
 558                            }) => {
 559                                completion_with_defaults.text_edit =
 560                                    Some(lsp::CompletionTextEdit::InsertAndReplace(
 561                                        lsp::InsertReplaceEdit {
 562                                            new_text: completion_with_defaults.label.clone(),
 563                                            insert: *insert,
 564                                            replace: *replace,
 565                                        },
 566                                    ))
 567                            }
 568                            None => {}
 569                        }
 570                    }
 571                    if completion_with_defaults.insert_text_format.is_none()
 572                        && default_insert_text_format.is_some()
 573                    {
 574                        completion_with_defaults.insert_text_format =
 575                            default_insert_text_format.cloned()
 576                    }
 577                    if completion_with_defaults.insert_text_mode.is_none()
 578                        && default_insert_text_mode.is_some()
 579                    {
 580                        completion_with_defaults.insert_text_mode =
 581                            default_insert_text_mode.cloned()
 582                    }
 583                }
 584                return Some(Cow::Owned(completion_with_defaults));
 585            }
 586            Some(Cow::Borrowed(lsp_completion))
 587        } else {
 588            None
 589        }
 590    }
 591}
 592
 593impl std::fmt::Debug for Completion {
 594    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 595        f.debug_struct("Completion")
 596            .field("replace_range", &self.replace_range)
 597            .field("new_text", &self.new_text)
 598            .field("label", &self.label)
 599            .field("documentation", &self.documentation)
 600            .field("source", &self.source)
 601            .finish()
 602    }
 603}
 604
 605/// Response from a source of completions.
 606pub struct CompletionResponse {
 607    pub completions: Vec<Completion>,
 608    pub display_options: CompletionDisplayOptions,
 609    /// When false, indicates that the list is complete and so does not need to be re-queried if it
 610    /// can be filtered instead.
 611    pub is_incomplete: bool,
 612}
 613
 614#[derive(Default)]
 615pub struct CompletionDisplayOptions {
 616    pub dynamic_width: bool,
 617}
 618
 619impl CompletionDisplayOptions {
 620    pub fn merge(&mut self, other: &CompletionDisplayOptions) {
 621        self.dynamic_width = self.dynamic_width && other.dynamic_width;
 622    }
 623}
 624
 625/// Response from language server completion request.
 626#[derive(Clone, Debug, Default)]
 627pub(crate) struct CoreCompletionResponse {
 628    pub completions: Vec<CoreCompletion>,
 629    /// When false, indicates that the list is complete and so does not need to be re-queried if it
 630    /// can be filtered instead.
 631    pub is_incomplete: bool,
 632}
 633
 634/// A generic completion that can come from different sources.
 635#[derive(Clone, Debug)]
 636pub(crate) struct CoreCompletion {
 637    replace_range: Range<Anchor>,
 638    new_text: String,
 639    source: CompletionSource,
 640}
 641
 642/// A code action provided by a language server.
 643#[derive(Clone, Debug, PartialEq)]
 644pub struct CodeAction {
 645    /// The id of the language server that produced this code action.
 646    pub server_id: LanguageServerId,
 647    /// The range of the buffer where this code action is applicable.
 648    pub range: Range<Anchor>,
 649    /// The raw code action provided by the language server.
 650    /// Can be either an action or a command.
 651    pub lsp_action: LspAction,
 652    /// Whether the action needs to be resolved using the language server.
 653    pub resolved: bool,
 654}
 655
 656/// An action sent back by a language server.
 657#[derive(Clone, Debug, PartialEq)]
 658pub enum LspAction {
 659    /// An action with the full data, may have a command or may not.
 660    /// May require resolving.
 661    Action(Box<lsp::CodeAction>),
 662    /// A command data to run as an action.
 663    Command(lsp::Command),
 664    /// A code lens data to run as an action.
 665    CodeLens(lsp::CodeLens),
 666}
 667
 668impl LspAction {
 669    pub fn title(&self) -> &str {
 670        match self {
 671            Self::Action(action) => &action.title,
 672            Self::Command(command) => &command.title,
 673            Self::CodeLens(lens) => lens
 674                .command
 675                .as_ref()
 676                .map(|command| command.title.as_str())
 677                .unwrap_or("Unknown command"),
 678        }
 679    }
 680
 681    fn action_kind(&self) -> Option<lsp::CodeActionKind> {
 682        match self {
 683            Self::Action(action) => action.kind.clone(),
 684            Self::Command(_) => Some(lsp::CodeActionKind::new("command")),
 685            Self::CodeLens(_) => Some(lsp::CodeActionKind::new("code lens")),
 686        }
 687    }
 688
 689    fn edit(&self) -> Option<&lsp::WorkspaceEdit> {
 690        match self {
 691            Self::Action(action) => action.edit.as_ref(),
 692            Self::Command(_) => None,
 693            Self::CodeLens(_) => None,
 694        }
 695    }
 696
 697    fn command(&self) -> Option<&lsp::Command> {
 698        match self {
 699            Self::Action(action) => action.command.as_ref(),
 700            Self::Command(command) => Some(command),
 701            Self::CodeLens(lens) => lens.command.as_ref(),
 702        }
 703    }
 704}
 705
 706#[derive(Debug, Clone, PartialEq, Eq)]
 707pub enum ResolveState {
 708    Resolved,
 709    CanResolve(LanguageServerId, Option<lsp::LSPAny>),
 710    Resolving,
 711}
 712impl InlayHint {
 713    pub fn text(&self) -> Rope {
 714        match &self.label {
 715            InlayHintLabel::String(s) => Rope::from(s),
 716            InlayHintLabel::LabelParts(parts) => parts.iter().map(|part| &*part.value).collect(),
 717        }
 718    }
 719}
 720
 721#[derive(Debug, Clone, PartialEq, Eq)]
 722pub enum InlayHintLabel {
 723    String(String),
 724    LabelParts(Vec<InlayHintLabelPart>),
 725}
 726
 727#[derive(Debug, Clone, PartialEq, Eq)]
 728pub struct InlayHintLabelPart {
 729    pub value: String,
 730    pub tooltip: Option<InlayHintLabelPartTooltip>,
 731    pub location: Option<(LanguageServerId, lsp::Location)>,
 732}
 733
 734#[derive(Debug, Clone, PartialEq, Eq)]
 735pub enum InlayHintTooltip {
 736    String(String),
 737    MarkupContent(MarkupContent),
 738}
 739
 740#[derive(Debug, Clone, PartialEq, Eq)]
 741pub enum InlayHintLabelPartTooltip {
 742    String(String),
 743    MarkupContent(MarkupContent),
 744}
 745
 746#[derive(Debug, Clone, PartialEq, Eq)]
 747pub struct MarkupContent {
 748    pub kind: HoverBlockKind,
 749    pub value: String,
 750}
 751
 752#[derive(Debug, Clone, PartialEq)]
 753pub struct LocationLink {
 754    pub origin: Option<Location>,
 755    pub target: Location,
 756}
 757
 758#[derive(Debug)]
 759pub struct DocumentHighlight {
 760    pub range: Range<language::Anchor>,
 761    pub kind: DocumentHighlightKind,
 762}
 763
 764#[derive(Clone, Debug)]
 765pub struct Symbol {
 766    pub language_server_name: LanguageServerName,
 767    pub source_worktree_id: WorktreeId,
 768    pub source_language_server_id: LanguageServerId,
 769    pub path: SymbolLocation,
 770    pub label: CodeLabel,
 771    pub name: String,
 772    pub kind: lsp::SymbolKind,
 773    pub range: Range<Unclipped<PointUtf16>>,
 774}
 775
 776#[derive(Clone, Debug)]
 777pub struct DocumentSymbol {
 778    pub name: String,
 779    pub kind: lsp::SymbolKind,
 780    pub range: Range<Unclipped<PointUtf16>>,
 781    pub selection_range: Range<Unclipped<PointUtf16>>,
 782    pub children: Vec<DocumentSymbol>,
 783}
 784
 785#[derive(Clone, Debug, PartialEq)]
 786pub struct HoverBlock {
 787    pub text: String,
 788    pub kind: HoverBlockKind,
 789}
 790
 791#[derive(Clone, Debug, PartialEq, Eq)]
 792pub enum HoverBlockKind {
 793    PlainText,
 794    Markdown,
 795    Code { language: String },
 796}
 797
 798#[derive(Debug, Clone)]
 799pub struct Hover {
 800    pub contents: Vec<HoverBlock>,
 801    pub range: Option<Range<language::Anchor>>,
 802    pub language: Option<Arc<Language>>,
 803}
 804
 805impl Hover {
 806    pub fn is_empty(&self) -> bool {
 807        self.contents.iter().all(|block| block.text.is_empty())
 808    }
 809}
 810
 811enum EntitySubscription {
 812    Project(PendingEntitySubscription<Project>),
 813    BufferStore(PendingEntitySubscription<BufferStore>),
 814    GitStore(PendingEntitySubscription<GitStore>),
 815    WorktreeStore(PendingEntitySubscription<WorktreeStore>),
 816    LspStore(PendingEntitySubscription<LspStore>),
 817    SettingsObserver(PendingEntitySubscription<SettingsObserver>),
 818    DapStore(PendingEntitySubscription<DapStore>),
 819}
 820
 821#[derive(Debug, Clone)]
 822pub struct DirectoryItem {
 823    pub path: PathBuf,
 824    pub is_dir: bool,
 825}
 826
 827#[derive(Clone, Debug, PartialEq)]
 828pub struct DocumentColor {
 829    pub lsp_range: lsp::Range,
 830    pub color: lsp::Color,
 831    pub resolved: bool,
 832    pub color_presentations: Vec<ColorPresentation>,
 833}
 834
 835impl Eq for DocumentColor {}
 836
 837impl std::hash::Hash for DocumentColor {
 838    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 839        self.lsp_range.hash(state);
 840        self.color.red.to_bits().hash(state);
 841        self.color.green.to_bits().hash(state);
 842        self.color.blue.to_bits().hash(state);
 843        self.color.alpha.to_bits().hash(state);
 844        self.resolved.hash(state);
 845        self.color_presentations.hash(state);
 846    }
 847}
 848
 849#[derive(Clone, Debug, PartialEq, Eq)]
 850pub struct ColorPresentation {
 851    pub label: SharedString,
 852    pub text_edit: Option<lsp::TextEdit>,
 853    pub additional_text_edits: Vec<lsp::TextEdit>,
 854}
 855
 856impl std::hash::Hash for ColorPresentation {
 857    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 858        self.label.hash(state);
 859        if let Some(ref edit) = self.text_edit {
 860            edit.range.hash(state);
 861            edit.new_text.hash(state);
 862        }
 863        self.additional_text_edits.len().hash(state);
 864        for edit in &self.additional_text_edits {
 865            edit.range.hash(state);
 866            edit.new_text.hash(state);
 867        }
 868    }
 869}
 870
 871#[derive(Clone)]
 872pub enum DirectoryLister {
 873    Project(Entity<Project>),
 874    Local(Entity<Project>, Arc<dyn Fs>),
 875}
 876
 877impl std::fmt::Debug for DirectoryLister {
 878    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 879        match self {
 880            DirectoryLister::Project(project) => {
 881                write!(f, "DirectoryLister::Project({project:?})")
 882            }
 883            DirectoryLister::Local(project, _) => {
 884                write!(f, "DirectoryLister::Local({project:?})")
 885            }
 886        }
 887    }
 888}
 889
 890impl DirectoryLister {
 891    pub fn is_local(&self, cx: &App) -> bool {
 892        match self {
 893            DirectoryLister::Local(..) => true,
 894            DirectoryLister::Project(project) => project.read(cx).is_local(),
 895        }
 896    }
 897
 898    pub fn resolve_tilde<'a>(&self, path: &'a String, cx: &App) -> Cow<'a, str> {
 899        if self.is_local(cx) {
 900            shellexpand::tilde(path)
 901        } else {
 902            Cow::from(path)
 903        }
 904    }
 905
 906    pub fn default_query(&self, cx: &mut App) -> String {
 907        let project = match self {
 908            DirectoryLister::Project(project) => project,
 909            DirectoryLister::Local(project, _) => project,
 910        }
 911        .read(cx);
 912        let path_style = project.path_style(cx);
 913        project
 914            .visible_worktrees(cx)
 915            .next()
 916            .map(|worktree| worktree.read(cx).abs_path().to_string_lossy().into_owned())
 917            .or_else(|| std::env::home_dir().map(|dir| dir.to_string_lossy().into_owned()))
 918            .map(|mut s| {
 919                s.push_str(path_style.separator());
 920                s
 921            })
 922            .unwrap_or_else(|| {
 923                if path_style.is_windows() {
 924                    "C:\\"
 925                } else {
 926                    "~/"
 927                }
 928                .to_string()
 929            })
 930    }
 931
 932    pub fn list_directory(&self, path: String, cx: &mut App) -> Task<Result<Vec<DirectoryItem>>> {
 933        match self {
 934            DirectoryLister::Project(project) => {
 935                project.update(cx, |project, cx| project.list_directory(path, cx))
 936            }
 937            DirectoryLister::Local(_, fs) => {
 938                let fs = fs.clone();
 939                cx.background_spawn(async move {
 940                    let mut results = vec![];
 941                    let expanded = shellexpand::tilde(&path);
 942                    let query = Path::new(expanded.as_ref());
 943                    let mut response = fs.read_dir(query).await?;
 944                    while let Some(path) = response.next().await {
 945                        let path = path?;
 946                        if let Some(file_name) = path.file_name() {
 947                            results.push(DirectoryItem {
 948                                path: PathBuf::from(file_name.to_os_string()),
 949                                is_dir: fs.is_dir(&path).await,
 950                            });
 951                        }
 952                    }
 953                    Ok(results)
 954                })
 955            }
 956        }
 957    }
 958}
 959
 960#[cfg(any(test, feature = "test-support"))]
 961pub const DEFAULT_COMPLETION_CONTEXT: CompletionContext = CompletionContext {
 962    trigger_kind: lsp::CompletionTriggerKind::INVOKED,
 963    trigger_character: None,
 964};
 965
 966/// An LSP diagnostics associated with a certain language server.
 967#[derive(Clone, Debug, Default)]
 968pub enum LspPullDiagnostics {
 969    #[default]
 970    Default,
 971    Response {
 972        /// The id of the language server that produced diagnostics.
 973        server_id: LanguageServerId,
 974        /// URI of the resource,
 975        uri: lsp::Uri,
 976        /// The diagnostics produced by this language server.
 977        diagnostics: PulledDiagnostics,
 978    },
 979}
 980
 981#[derive(Clone, Debug)]
 982pub enum PulledDiagnostics {
 983    Unchanged {
 984        /// An ID the current pulled batch for this file.
 985        /// If given, can be used to query workspace diagnostics partially.
 986        result_id: String,
 987    },
 988    Changed {
 989        result_id: Option<String>,
 990        diagnostics: Vec<lsp::Diagnostic>,
 991    },
 992}
 993
 994/// Whether to disable all AI features in Zed.
 995///
 996/// Default: false
 997#[derive(Copy, Clone, Debug)]
 998pub struct DisableAiSettings {
 999    pub disable_ai: bool,
1000}
1001
1002impl settings::Settings for DisableAiSettings {
1003    fn from_settings(content: &settings::SettingsContent) -> Self {
1004        Self {
1005            disable_ai: content.disable_ai.unwrap().0,
1006        }
1007    }
1008}
1009
1010impl Project {
1011    pub fn init_settings(cx: &mut App) {
1012        WorktreeSettings::register(cx);
1013        ProjectSettings::register(cx);
1014        DisableAiSettings::register(cx);
1015        AllAgentServersSettings::register(cx);
1016    }
1017
1018    pub fn init(client: &Arc<Client>, cx: &mut App) {
1019        connection_manager::init(client.clone(), cx);
1020        Self::init_settings(cx);
1021
1022        let client: AnyProtoClient = client.clone().into();
1023        client.add_entity_message_handler(Self::handle_add_collaborator);
1024        client.add_entity_message_handler(Self::handle_update_project_collaborator);
1025        client.add_entity_message_handler(Self::handle_remove_collaborator);
1026        client.add_entity_message_handler(Self::handle_update_project);
1027        client.add_entity_message_handler(Self::handle_unshare_project);
1028        client.add_entity_request_handler(Self::handle_update_buffer);
1029        client.add_entity_message_handler(Self::handle_update_worktree);
1030        client.add_entity_request_handler(Self::handle_synchronize_buffers);
1031
1032        client.add_entity_request_handler(Self::handle_search_candidate_buffers);
1033        client.add_entity_request_handler(Self::handle_open_buffer_by_id);
1034        client.add_entity_request_handler(Self::handle_open_buffer_by_path);
1035        client.add_entity_request_handler(Self::handle_open_new_buffer);
1036        client.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1037        client.add_entity_message_handler(Self::handle_toggle_lsp_logs);
1038        client.add_entity_request_handler(Self::handle_load_binary_file);
1039
1040        WorktreeStore::init(&client);
1041        BufferStore::init(&client);
1042        LspStore::init(&client);
1043        GitStore::init(&client);
1044        SettingsObserver::init(&client);
1045        TaskStore::init(Some(&client));
1046        ToolchainStore::init(&client);
1047        DapStore::init(&client, cx);
1048        BreakpointStore::init(&client);
1049        context_server_store::init(cx);
1050    }
1051
1052    pub fn local(
1053        client: Arc<Client>,
1054        node: NodeRuntime,
1055        user_store: Entity<UserStore>,
1056        languages: Arc<LanguageRegistry>,
1057        fs: Arc<dyn Fs>,
1058        env: Option<HashMap<String, String>>,
1059        cx: &mut App,
1060    ) -> Entity<Self> {
1061        cx.new(|cx: &mut Context<Self>| {
1062            let (tx, rx) = mpsc::unbounded();
1063            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1064                .detach();
1065            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1066            let worktree_store = cx.new(|_| WorktreeStore::local(false, fs.clone()));
1067            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1068                .detach();
1069
1070            let weak_self = cx.weak_entity();
1071            let context_server_store =
1072                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), weak_self, cx));
1073
1074            let environment = cx.new(|cx| ProjectEnvironment::new(env, cx));
1075            let manifest_tree = ManifestTree::new(worktree_store.clone(), cx);
1076            let toolchain_store = cx.new(|cx| {
1077                ToolchainStore::local(
1078                    languages.clone(),
1079                    worktree_store.clone(),
1080                    environment.clone(),
1081                    manifest_tree.clone(),
1082                    fs.clone(),
1083                    cx,
1084                )
1085            });
1086
1087            let buffer_store = cx.new(|cx| BufferStore::local(worktree_store.clone(), cx));
1088            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1089                .detach();
1090
1091            let breakpoint_store =
1092                cx.new(|_| BreakpointStore::local(worktree_store.clone(), buffer_store.clone()));
1093
1094            let dap_store = cx.new(|cx| {
1095                DapStore::new_local(
1096                    client.http_client(),
1097                    node.clone(),
1098                    fs.clone(),
1099                    environment.clone(),
1100                    toolchain_store.read(cx).as_language_toolchain_store(),
1101                    worktree_store.clone(),
1102                    breakpoint_store.clone(),
1103                    false,
1104                    cx,
1105                )
1106            });
1107            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1108
1109            let image_store = cx.new(|cx| ImageStore::local(worktree_store.clone(), cx));
1110            cx.subscribe(&image_store, Self::on_image_store_event)
1111                .detach();
1112
1113            let prettier_store = cx.new(|cx| {
1114                PrettierStore::new(
1115                    node.clone(),
1116                    fs.clone(),
1117                    languages.clone(),
1118                    worktree_store.clone(),
1119                    cx,
1120                )
1121            });
1122
1123            let task_store = cx.new(|cx| {
1124                TaskStore::local(
1125                    buffer_store.downgrade(),
1126                    worktree_store.clone(),
1127                    toolchain_store.read(cx).as_language_toolchain_store(),
1128                    environment.clone(),
1129                    cx,
1130                )
1131            });
1132
1133            let settings_observer = cx.new(|cx| {
1134                SettingsObserver::new_local(
1135                    fs.clone(),
1136                    worktree_store.clone(),
1137                    task_store.clone(),
1138                    cx,
1139                )
1140            });
1141            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1142                .detach();
1143
1144            let lsp_store = cx.new(|cx| {
1145                LspStore::new_local(
1146                    buffer_store.clone(),
1147                    worktree_store.clone(),
1148                    prettier_store.clone(),
1149                    toolchain_store
1150                        .read(cx)
1151                        .as_local_store()
1152                        .expect("Toolchain store to be local")
1153                        .clone(),
1154                    environment.clone(),
1155                    manifest_tree,
1156                    languages.clone(),
1157                    client.http_client(),
1158                    fs.clone(),
1159                    cx,
1160                )
1161            });
1162
1163            let git_store = cx.new(|cx| {
1164                GitStore::local(
1165                    &worktree_store,
1166                    buffer_store.clone(),
1167                    environment.clone(),
1168                    fs.clone(),
1169                    cx,
1170                )
1171            });
1172
1173            let agent_server_store = cx.new(|cx| {
1174                AgentServerStore::local(
1175                    node.clone(),
1176                    fs.clone(),
1177                    environment.clone(),
1178                    client.http_client(),
1179                    cx,
1180                )
1181            });
1182
1183            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1184
1185            Self {
1186                buffer_ordered_messages_tx: tx,
1187                collaborators: Default::default(),
1188                worktree_store,
1189                buffer_store,
1190                image_store,
1191                lsp_store,
1192                context_server_store,
1193                join_project_response_message_id: 0,
1194                client_state: ProjectClientState::Local,
1195                git_store,
1196                client_subscriptions: Vec::new(),
1197                _subscriptions: vec![cx.on_release(Self::release)],
1198                active_entry: None,
1199                snippets,
1200                languages,
1201                collab_client: client,
1202                task_store,
1203                user_store,
1204                settings_observer,
1205                fs,
1206                remote_client: None,
1207                breakpoint_store,
1208                dap_store,
1209                agent_server_store,
1210
1211                buffers_needing_diff: Default::default(),
1212                git_diff_debouncer: DebouncedDelay::new(),
1213                terminals: Terminals {
1214                    local_handles: Vec::new(),
1215                },
1216                node: Some(node),
1217                search_history: Self::new_search_history(),
1218                environment,
1219                remotely_created_models: Default::default(),
1220
1221                search_included_history: Self::new_search_history(),
1222                search_excluded_history: Self::new_search_history(),
1223
1224                toolchain_store: Some(toolchain_store),
1225
1226                agent_location: None,
1227            }
1228        })
1229    }
1230
1231    pub fn remote(
1232        remote: Entity<RemoteClient>,
1233        client: Arc<Client>,
1234        node: NodeRuntime,
1235        user_store: Entity<UserStore>,
1236        languages: Arc<LanguageRegistry>,
1237        fs: Arc<dyn Fs>,
1238        cx: &mut App,
1239    ) -> Entity<Self> {
1240        cx.new(|cx: &mut Context<Self>| {
1241            let (tx, rx) = mpsc::unbounded();
1242            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1243                .detach();
1244            let global_snippets_dir = paths::snippets_dir().to_owned();
1245            let snippets =
1246                SnippetProvider::new(fs.clone(), BTreeSet::from_iter([global_snippets_dir]), cx);
1247
1248            let (remote_proto, path_style) =
1249                remote.read_with(cx, |remote, _| (remote.proto_client(), remote.path_style()));
1250            let worktree_store = cx.new(|_| {
1251                WorktreeStore::remote(
1252                    false,
1253                    remote_proto.clone(),
1254                    REMOTE_SERVER_PROJECT_ID,
1255                    path_style,
1256                )
1257            });
1258            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1259                .detach();
1260
1261            let weak_self = cx.weak_entity();
1262            let context_server_store =
1263                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), weak_self, cx));
1264
1265            let buffer_store = cx.new(|cx| {
1266                BufferStore::remote(
1267                    worktree_store.clone(),
1268                    remote.read(cx).proto_client(),
1269                    REMOTE_SERVER_PROJECT_ID,
1270                    cx,
1271                )
1272            });
1273            let image_store = cx.new(|cx| {
1274                ImageStore::remote(
1275                    worktree_store.clone(),
1276                    remote.read(cx).proto_client(),
1277                    REMOTE_SERVER_PROJECT_ID,
1278                    cx,
1279                )
1280            });
1281            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1282                .detach();
1283            let toolchain_store = cx.new(|cx| {
1284                ToolchainStore::remote(REMOTE_SERVER_PROJECT_ID, remote.read(cx).proto_client(), cx)
1285            });
1286            let task_store = cx.new(|cx| {
1287                TaskStore::remote(
1288                    buffer_store.downgrade(),
1289                    worktree_store.clone(),
1290                    toolchain_store.read(cx).as_language_toolchain_store(),
1291                    remote.read(cx).proto_client(),
1292                    REMOTE_SERVER_PROJECT_ID,
1293                    cx,
1294                )
1295            });
1296
1297            let settings_observer = cx.new(|cx| {
1298                SettingsObserver::new_remote(
1299                    fs.clone(),
1300                    worktree_store.clone(),
1301                    task_store.clone(),
1302                    Some(remote_proto.clone()),
1303                    cx,
1304                )
1305            });
1306            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1307                .detach();
1308
1309            let environment = cx.new(|cx| ProjectEnvironment::new(None, cx));
1310
1311            let lsp_store = cx.new(|cx| {
1312                LspStore::new_remote(
1313                    buffer_store.clone(),
1314                    worktree_store.clone(),
1315                    languages.clone(),
1316                    remote_proto.clone(),
1317                    REMOTE_SERVER_PROJECT_ID,
1318                    cx,
1319                )
1320            });
1321            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1322
1323            let breakpoint_store =
1324                cx.new(|_| BreakpointStore::remote(REMOTE_SERVER_PROJECT_ID, remote_proto.clone()));
1325
1326            let dap_store = cx.new(|cx| {
1327                DapStore::new_remote(
1328                    REMOTE_SERVER_PROJECT_ID,
1329                    remote.clone(),
1330                    breakpoint_store.clone(),
1331                    worktree_store.clone(),
1332                    node.clone(),
1333                    client.http_client(),
1334                    fs.clone(),
1335                    cx,
1336                )
1337            });
1338
1339            let git_store = cx.new(|cx| {
1340                GitStore::remote(
1341                    &worktree_store,
1342                    buffer_store.clone(),
1343                    remote_proto.clone(),
1344                    REMOTE_SERVER_PROJECT_ID,
1345                    cx,
1346                )
1347            });
1348
1349            let agent_server_store =
1350                cx.new(|_| AgentServerStore::remote(REMOTE_SERVER_PROJECT_ID, remote.clone()));
1351
1352            cx.subscribe(&remote, Self::on_remote_client_event).detach();
1353
1354            let this = Self {
1355                buffer_ordered_messages_tx: tx,
1356                collaborators: Default::default(),
1357                worktree_store,
1358                buffer_store,
1359                image_store,
1360                lsp_store,
1361                context_server_store,
1362                breakpoint_store,
1363                dap_store,
1364                join_project_response_message_id: 0,
1365                client_state: ProjectClientState::Local,
1366                git_store,
1367                agent_server_store,
1368                client_subscriptions: Vec::new(),
1369                _subscriptions: vec![
1370                    cx.on_release(Self::release),
1371                    cx.on_app_quit(|this, cx| {
1372                        let shutdown = this.remote_client.take().and_then(|client| {
1373                            client.update(cx, |client, cx| {
1374                                client.shutdown_processes(
1375                                    Some(proto::ShutdownRemoteServer {}),
1376                                    cx.background_executor().clone(),
1377                                )
1378                            })
1379                        });
1380
1381                        cx.background_executor().spawn(async move {
1382                            if let Some(shutdown) = shutdown {
1383                                shutdown.await;
1384                            }
1385                        })
1386                    }),
1387                ],
1388                active_entry: None,
1389                snippets,
1390                languages,
1391                collab_client: client,
1392                task_store,
1393                user_store,
1394                settings_observer,
1395                fs,
1396                remote_client: Some(remote.clone()),
1397                buffers_needing_diff: Default::default(),
1398                git_diff_debouncer: DebouncedDelay::new(),
1399                terminals: Terminals {
1400                    local_handles: Vec::new(),
1401                },
1402                node: Some(node),
1403                search_history: Self::new_search_history(),
1404                environment,
1405                remotely_created_models: Default::default(),
1406
1407                search_included_history: Self::new_search_history(),
1408                search_excluded_history: Self::new_search_history(),
1409
1410                toolchain_store: Some(toolchain_store),
1411                agent_location: None,
1412            };
1413
1414            // remote server -> local machine handlers
1415            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &cx.entity());
1416            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.buffer_store);
1417            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.worktree_store);
1418            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.lsp_store);
1419            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.dap_store);
1420            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.settings_observer);
1421            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.git_store);
1422            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.agent_server_store);
1423
1424            remote_proto.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1425            remote_proto.add_entity_message_handler(Self::handle_update_worktree);
1426            remote_proto.add_entity_message_handler(Self::handle_update_project);
1427            remote_proto.add_entity_message_handler(Self::handle_toast);
1428            remote_proto.add_entity_request_handler(Self::handle_language_server_prompt_request);
1429            remote_proto.add_entity_message_handler(Self::handle_hide_toast);
1430            remote_proto.add_entity_request_handler(Self::handle_update_buffer_from_remote_server);
1431            BufferStore::init(&remote_proto);
1432            LspStore::init(&remote_proto);
1433            SettingsObserver::init(&remote_proto);
1434            TaskStore::init(Some(&remote_proto));
1435            ToolchainStore::init(&remote_proto);
1436            DapStore::init(&remote_proto, cx);
1437            GitStore::init(&remote_proto);
1438            AgentServerStore::init_remote(&remote_proto);
1439
1440            this
1441        })
1442    }
1443
1444    pub async fn in_room(
1445        remote_id: u64,
1446        client: Arc<Client>,
1447        user_store: Entity<UserStore>,
1448        languages: Arc<LanguageRegistry>,
1449        fs: Arc<dyn Fs>,
1450        cx: AsyncApp,
1451    ) -> Result<Entity<Self>> {
1452        client.connect(true, &cx).await.into_response()?;
1453
1454        let subscriptions = [
1455            EntitySubscription::Project(client.subscribe_to_entity::<Self>(remote_id)?),
1456            EntitySubscription::BufferStore(client.subscribe_to_entity::<BufferStore>(remote_id)?),
1457            EntitySubscription::GitStore(client.subscribe_to_entity::<GitStore>(remote_id)?),
1458            EntitySubscription::WorktreeStore(
1459                client.subscribe_to_entity::<WorktreeStore>(remote_id)?,
1460            ),
1461            EntitySubscription::LspStore(client.subscribe_to_entity::<LspStore>(remote_id)?),
1462            EntitySubscription::SettingsObserver(
1463                client.subscribe_to_entity::<SettingsObserver>(remote_id)?,
1464            ),
1465            EntitySubscription::DapStore(client.subscribe_to_entity::<DapStore>(remote_id)?),
1466        ];
1467        let committer = get_git_committer(&cx).await;
1468        let response = client
1469            .request_envelope(proto::JoinProject {
1470                project_id: remote_id,
1471                committer_email: committer.email,
1472                committer_name: committer.name,
1473            })
1474            .await?;
1475        Self::from_join_project_response(
1476            response,
1477            subscriptions,
1478            client,
1479            false,
1480            user_store,
1481            languages,
1482            fs,
1483            cx,
1484        )
1485        .await
1486    }
1487
1488    async fn from_join_project_response(
1489        response: TypedEnvelope<proto::JoinProjectResponse>,
1490        subscriptions: [EntitySubscription; 7],
1491        client: Arc<Client>,
1492        run_tasks: bool,
1493        user_store: Entity<UserStore>,
1494        languages: Arc<LanguageRegistry>,
1495        fs: Arc<dyn Fs>,
1496        mut cx: AsyncApp,
1497    ) -> Result<Entity<Self>> {
1498        let remote_id = response.payload.project_id;
1499        let role = response.payload.role();
1500
1501        let path_style = if response.payload.windows_paths {
1502            PathStyle::Windows
1503        } else {
1504            PathStyle::Posix
1505        };
1506
1507        let worktree_store = cx.new(|_| {
1508            WorktreeStore::remote(
1509                true,
1510                client.clone().into(),
1511                response.payload.project_id,
1512                path_style,
1513            )
1514        })?;
1515        let buffer_store = cx.new(|cx| {
1516            BufferStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1517        })?;
1518        let image_store = cx.new(|cx| {
1519            ImageStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1520        })?;
1521
1522        let environment = cx.new(|cx| ProjectEnvironment::new(None, cx))?;
1523
1524        let breakpoint_store =
1525            cx.new(|_| BreakpointStore::remote(remote_id, client.clone().into()))?;
1526        let dap_store = cx.new(|cx| {
1527            DapStore::new_collab(
1528                remote_id,
1529                client.clone().into(),
1530                breakpoint_store.clone(),
1531                worktree_store.clone(),
1532                fs.clone(),
1533                cx,
1534            )
1535        })?;
1536
1537        let lsp_store = cx.new(|cx| {
1538            LspStore::new_remote(
1539                buffer_store.clone(),
1540                worktree_store.clone(),
1541                languages.clone(),
1542                client.clone().into(),
1543                remote_id,
1544                cx,
1545            )
1546        })?;
1547
1548        let task_store = cx.new(|cx| {
1549            if run_tasks {
1550                TaskStore::remote(
1551                    buffer_store.downgrade(),
1552                    worktree_store.clone(),
1553                    Arc::new(EmptyToolchainStore),
1554                    client.clone().into(),
1555                    remote_id,
1556                    cx,
1557                )
1558            } else {
1559                TaskStore::Noop
1560            }
1561        })?;
1562
1563        let settings_observer = cx.new(|cx| {
1564            SettingsObserver::new_remote(
1565                fs.clone(),
1566                worktree_store.clone(),
1567                task_store.clone(),
1568                None,
1569                cx,
1570            )
1571        })?;
1572
1573        let git_store = cx.new(|cx| {
1574            GitStore::remote(
1575                // In this remote case we pass None for the environment
1576                &worktree_store,
1577                buffer_store.clone(),
1578                client.clone().into(),
1579                remote_id,
1580                cx,
1581            )
1582        })?;
1583
1584        let agent_server_store = cx.new(|cx| AgentServerStore::collab(cx))?;
1585        let replica_id = ReplicaId::new(response.payload.replica_id as u16);
1586
1587        let project = cx.new(|cx| {
1588            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1589
1590            let weak_self = cx.weak_entity();
1591            let context_server_store =
1592                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), weak_self, cx));
1593
1594            let mut worktrees = Vec::new();
1595            for worktree in response.payload.worktrees {
1596                let worktree = Worktree::remote(
1597                    remote_id,
1598                    replica_id,
1599                    worktree,
1600                    client.clone().into(),
1601                    path_style,
1602                    cx,
1603                );
1604                worktrees.push(worktree);
1605            }
1606
1607            let (tx, rx) = mpsc::unbounded();
1608            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1609                .detach();
1610
1611            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1612                .detach();
1613
1614            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1615                .detach();
1616            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1617            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1618                .detach();
1619
1620            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1621
1622            let mut project = Self {
1623                buffer_ordered_messages_tx: tx,
1624                buffer_store: buffer_store.clone(),
1625                image_store,
1626                worktree_store: worktree_store.clone(),
1627                lsp_store: lsp_store.clone(),
1628                context_server_store,
1629                active_entry: None,
1630                collaborators: Default::default(),
1631                join_project_response_message_id: response.message_id,
1632                languages,
1633                user_store: user_store.clone(),
1634                task_store,
1635                snippets,
1636                fs,
1637                remote_client: None,
1638                settings_observer: settings_observer.clone(),
1639                client_subscriptions: Default::default(),
1640                _subscriptions: vec![cx.on_release(Self::release)],
1641                collab_client: client.clone(),
1642                client_state: ProjectClientState::Remote {
1643                    sharing_has_stopped: false,
1644                    capability: Capability::ReadWrite,
1645                    remote_id,
1646                    replica_id,
1647                },
1648                breakpoint_store,
1649                dap_store: dap_store.clone(),
1650                git_store: git_store.clone(),
1651                agent_server_store,
1652                buffers_needing_diff: Default::default(),
1653                git_diff_debouncer: DebouncedDelay::new(),
1654                terminals: Terminals {
1655                    local_handles: Vec::new(),
1656                },
1657                node: None,
1658                search_history: Self::new_search_history(),
1659                search_included_history: Self::new_search_history(),
1660                search_excluded_history: Self::new_search_history(),
1661                environment,
1662                remotely_created_models: Arc::new(Mutex::new(RemotelyCreatedModels::default())),
1663                toolchain_store: None,
1664                agent_location: None,
1665            };
1666            project.set_role(role, cx);
1667            for worktree in worktrees {
1668                project.add_worktree(&worktree, cx);
1669            }
1670            project
1671        })?;
1672
1673        let weak_project = project.downgrade();
1674        lsp_store
1675            .update(&mut cx, |lsp_store, cx| {
1676                lsp_store.set_language_server_statuses_from_proto(
1677                    weak_project,
1678                    response.payload.language_servers,
1679                    response.payload.language_server_capabilities,
1680                    cx,
1681                );
1682            })
1683            .ok();
1684
1685        let subscriptions = subscriptions
1686            .into_iter()
1687            .map(|s| match s {
1688                EntitySubscription::BufferStore(subscription) => {
1689                    subscription.set_entity(&buffer_store, &cx)
1690                }
1691                EntitySubscription::WorktreeStore(subscription) => {
1692                    subscription.set_entity(&worktree_store, &cx)
1693                }
1694                EntitySubscription::GitStore(subscription) => {
1695                    subscription.set_entity(&git_store, &cx)
1696                }
1697                EntitySubscription::SettingsObserver(subscription) => {
1698                    subscription.set_entity(&settings_observer, &cx)
1699                }
1700                EntitySubscription::Project(subscription) => subscription.set_entity(&project, &cx),
1701                EntitySubscription::LspStore(subscription) => {
1702                    subscription.set_entity(&lsp_store, &cx)
1703                }
1704                EntitySubscription::DapStore(subscription) => {
1705                    subscription.set_entity(&dap_store, &cx)
1706                }
1707            })
1708            .collect::<Vec<_>>();
1709
1710        let user_ids = response
1711            .payload
1712            .collaborators
1713            .iter()
1714            .map(|peer| peer.user_id)
1715            .collect();
1716        user_store
1717            .update(&mut cx, |user_store, cx| user_store.get_users(user_ids, cx))?
1718            .await?;
1719
1720        project.update(&mut cx, |this, cx| {
1721            this.set_collaborators_from_proto(response.payload.collaborators, cx)?;
1722            this.client_subscriptions.extend(subscriptions);
1723            anyhow::Ok(())
1724        })??;
1725
1726        Ok(project)
1727    }
1728
1729    fn new_search_history() -> SearchHistory {
1730        SearchHistory::new(
1731            Some(MAX_PROJECT_SEARCH_HISTORY_SIZE),
1732            search_history::QueryInsertionBehavior::AlwaysInsert,
1733        )
1734    }
1735
1736    fn release(&mut self, cx: &mut App) {
1737        if let Some(client) = self.remote_client.take() {
1738            let shutdown = client.update(cx, |client, cx| {
1739                client.shutdown_processes(
1740                    Some(proto::ShutdownRemoteServer {}),
1741                    cx.background_executor().clone(),
1742                )
1743            });
1744
1745            cx.background_spawn(async move {
1746                if let Some(shutdown) = shutdown {
1747                    shutdown.await;
1748                }
1749            })
1750            .detach()
1751        }
1752
1753        match &self.client_state {
1754            ProjectClientState::Local => {}
1755            ProjectClientState::Shared { .. } => {
1756                let _ = self.unshare_internal(cx);
1757            }
1758            ProjectClientState::Remote { remote_id, .. } => {
1759                let _ = self.collab_client.send(proto::LeaveProject {
1760                    project_id: *remote_id,
1761                });
1762                self.disconnected_from_host_internal(cx);
1763            }
1764        }
1765    }
1766
1767    #[cfg(any(test, feature = "test-support"))]
1768    pub async fn example(
1769        root_paths: impl IntoIterator<Item = &Path>,
1770        cx: &mut AsyncApp,
1771    ) -> Entity<Project> {
1772        use clock::FakeSystemClock;
1773
1774        let fs = Arc::new(RealFs::new(None, cx.background_executor().clone()));
1775        let languages = LanguageRegistry::test(cx.background_executor().clone());
1776        let clock = Arc::new(FakeSystemClock::new());
1777        let http_client = http_client::FakeHttpClient::with_404_response();
1778        let client = cx
1779            .update(|cx| client::Client::new(clock, http_client.clone(), cx))
1780            .unwrap();
1781        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx)).unwrap();
1782        let project = cx
1783            .update(|cx| {
1784                Project::local(
1785                    client,
1786                    node_runtime::NodeRuntime::unavailable(),
1787                    user_store,
1788                    Arc::new(languages),
1789                    fs,
1790                    None,
1791                    cx,
1792                )
1793            })
1794            .unwrap();
1795        for path in root_paths {
1796            let (tree, _) = project
1797                .update(cx, |project, cx| {
1798                    project.find_or_create_worktree(path, true, cx)
1799                })
1800                .unwrap()
1801                .await
1802                .unwrap();
1803            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
1804                .unwrap()
1805                .await;
1806        }
1807        project
1808    }
1809
1810    #[cfg(any(test, feature = "test-support"))]
1811    pub async fn test(
1812        fs: Arc<dyn Fs>,
1813        root_paths: impl IntoIterator<Item = &Path>,
1814        cx: &mut gpui::TestAppContext,
1815    ) -> Entity<Project> {
1816        use clock::FakeSystemClock;
1817
1818        let languages = LanguageRegistry::test(cx.executor());
1819        let clock = Arc::new(FakeSystemClock::new());
1820        let http_client = http_client::FakeHttpClient::with_404_response();
1821        let client = cx.update(|cx| client::Client::new(clock, http_client.clone(), cx));
1822        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
1823        let project = cx.update(|cx| {
1824            Project::local(
1825                client,
1826                node_runtime::NodeRuntime::unavailable(),
1827                user_store,
1828                Arc::new(languages),
1829                fs,
1830                None,
1831                cx,
1832            )
1833        });
1834        for path in root_paths {
1835            let (tree, _) = project
1836                .update(cx, |project, cx| {
1837                    project.find_or_create_worktree(path, true, cx)
1838                })
1839                .await
1840                .unwrap();
1841
1842            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
1843                .await;
1844        }
1845        project
1846    }
1847
1848    #[inline]
1849    pub fn dap_store(&self) -> Entity<DapStore> {
1850        self.dap_store.clone()
1851    }
1852
1853    #[inline]
1854    pub fn breakpoint_store(&self) -> Entity<BreakpointStore> {
1855        self.breakpoint_store.clone()
1856    }
1857
1858    pub fn active_debug_session(&self, cx: &App) -> Option<(Entity<Session>, ActiveStackFrame)> {
1859        let active_position = self.breakpoint_store.read(cx).active_position()?;
1860        let session = self
1861            .dap_store
1862            .read(cx)
1863            .session_by_id(active_position.session_id)?;
1864        Some((session, active_position.clone()))
1865    }
1866
1867    #[inline]
1868    pub fn lsp_store(&self) -> Entity<LspStore> {
1869        self.lsp_store.clone()
1870    }
1871
1872    #[inline]
1873    pub fn worktree_store(&self) -> Entity<WorktreeStore> {
1874        self.worktree_store.clone()
1875    }
1876
1877    #[inline]
1878    pub fn context_server_store(&self) -> Entity<ContextServerStore> {
1879        self.context_server_store.clone()
1880    }
1881
1882    #[inline]
1883    pub fn buffer_for_id(&self, remote_id: BufferId, cx: &App) -> Option<Entity<Buffer>> {
1884        self.buffer_store.read(cx).get(remote_id)
1885    }
1886
1887    #[inline]
1888    pub fn languages(&self) -> &Arc<LanguageRegistry> {
1889        &self.languages
1890    }
1891
1892    #[inline]
1893    pub fn client(&self) -> Arc<Client> {
1894        self.collab_client.clone()
1895    }
1896
1897    #[inline]
1898    pub fn remote_client(&self) -> Option<Entity<RemoteClient>> {
1899        self.remote_client.clone()
1900    }
1901
1902    #[inline]
1903    pub fn user_store(&self) -> Entity<UserStore> {
1904        self.user_store.clone()
1905    }
1906
1907    #[inline]
1908    pub fn node_runtime(&self) -> Option<&NodeRuntime> {
1909        self.node.as_ref()
1910    }
1911
1912    #[inline]
1913    pub fn opened_buffers(&self, cx: &App) -> Vec<Entity<Buffer>> {
1914        self.buffer_store.read(cx).buffers().collect()
1915    }
1916
1917    #[inline]
1918    pub fn environment(&self) -> &Entity<ProjectEnvironment> {
1919        &self.environment
1920    }
1921
1922    #[inline]
1923    pub fn cli_environment(&self, cx: &App) -> Option<HashMap<String, String>> {
1924        self.environment.read(cx).get_cli_environment()
1925    }
1926
1927    pub fn buffer_environment<'a>(
1928        &'a self,
1929        buffer: &Entity<Buffer>,
1930        worktree_store: &Entity<WorktreeStore>,
1931        cx: &'a mut App,
1932    ) -> Shared<Task<Option<HashMap<String, String>>>> {
1933        self.environment.update(cx, |environment, cx| {
1934            environment.get_buffer_environment(buffer, worktree_store, cx)
1935        })
1936    }
1937
1938    pub fn directory_environment(
1939        &self,
1940        shell: &Shell,
1941        abs_path: Arc<Path>,
1942        cx: &mut App,
1943    ) -> Shared<Task<Option<HashMap<String, String>>>> {
1944        self.environment.update(cx, |environment, cx| {
1945            if let Some(remote_client) = self.remote_client.clone() {
1946                environment.get_remote_directory_environment(shell, abs_path, remote_client, cx)
1947            } else {
1948                environment.get_local_directory_environment(shell, abs_path, cx)
1949            }
1950        })
1951    }
1952
1953    #[inline]
1954    pub fn peek_environment_error<'a>(&'a self, cx: &'a App) -> Option<&'a String> {
1955        self.environment.read(cx).peek_environment_error()
1956    }
1957
1958    #[inline]
1959    pub fn pop_environment_error(&mut self, cx: &mut Context<Self>) {
1960        self.environment.update(cx, |environment, _| {
1961            environment.pop_environment_error();
1962        });
1963    }
1964
1965    #[cfg(any(test, feature = "test-support"))]
1966    #[inline]
1967    pub fn has_open_buffer(&self, path: impl Into<ProjectPath>, cx: &App) -> bool {
1968        self.buffer_store
1969            .read(cx)
1970            .get_by_path(&path.into())
1971            .is_some()
1972    }
1973
1974    #[inline]
1975    pub fn fs(&self) -> &Arc<dyn Fs> {
1976        &self.fs
1977    }
1978
1979    #[inline]
1980    pub fn remote_id(&self) -> Option<u64> {
1981        match self.client_state {
1982            ProjectClientState::Local => None,
1983            ProjectClientState::Shared { remote_id, .. }
1984            | ProjectClientState::Remote { remote_id, .. } => Some(remote_id),
1985        }
1986    }
1987
1988    #[inline]
1989    pub fn supports_terminal(&self, _cx: &App) -> bool {
1990        if self.is_local() {
1991            return true;
1992        }
1993        if self.is_via_remote_server() {
1994            return true;
1995        }
1996
1997        false
1998    }
1999
2000    #[inline]
2001    pub fn remote_connection_state(&self, cx: &App) -> Option<remote::ConnectionState> {
2002        self.remote_client
2003            .as_ref()
2004            .map(|remote| remote.read(cx).connection_state())
2005    }
2006
2007    #[inline]
2008    pub fn remote_connection_options(&self, cx: &App) -> Option<RemoteConnectionOptions> {
2009        self.remote_client
2010            .as_ref()
2011            .map(|remote| remote.read(cx).connection_options())
2012    }
2013
2014    #[inline]
2015    pub fn replica_id(&self) -> ReplicaId {
2016        match self.client_state {
2017            ProjectClientState::Remote { replica_id, .. } => replica_id,
2018            _ => {
2019                if self.remote_client.is_some() {
2020                    ReplicaId::REMOTE_SERVER
2021                } else {
2022                    ReplicaId::LOCAL
2023                }
2024            }
2025        }
2026    }
2027
2028    #[inline]
2029    pub fn task_store(&self) -> &Entity<TaskStore> {
2030        &self.task_store
2031    }
2032
2033    #[inline]
2034    pub fn snippets(&self) -> &Entity<SnippetProvider> {
2035        &self.snippets
2036    }
2037
2038    #[inline]
2039    pub fn search_history(&self, kind: SearchInputKind) -> &SearchHistory {
2040        match kind {
2041            SearchInputKind::Query => &self.search_history,
2042            SearchInputKind::Include => &self.search_included_history,
2043            SearchInputKind::Exclude => &self.search_excluded_history,
2044        }
2045    }
2046
2047    #[inline]
2048    pub fn search_history_mut(&mut self, kind: SearchInputKind) -> &mut SearchHistory {
2049        match kind {
2050            SearchInputKind::Query => &mut self.search_history,
2051            SearchInputKind::Include => &mut self.search_included_history,
2052            SearchInputKind::Exclude => &mut self.search_excluded_history,
2053        }
2054    }
2055
2056    #[inline]
2057    pub fn collaborators(&self) -> &HashMap<proto::PeerId, Collaborator> {
2058        &self.collaborators
2059    }
2060
2061    #[inline]
2062    pub fn host(&self) -> Option<&Collaborator> {
2063        self.collaborators.values().find(|c| c.is_host)
2064    }
2065
2066    #[inline]
2067    pub fn set_worktrees_reordered(&mut self, worktrees_reordered: bool, cx: &mut App) {
2068        self.worktree_store.update(cx, |store, _| {
2069            store.set_worktrees_reordered(worktrees_reordered);
2070        });
2071    }
2072
2073    /// Collect all worktrees, including ones that don't appear in the project panel
2074    #[inline]
2075    pub fn worktrees<'a>(
2076        &self,
2077        cx: &'a App,
2078    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
2079        self.worktree_store.read(cx).worktrees()
2080    }
2081
2082    /// Collect all user-visible worktrees, the ones that appear in the project panel.
2083    #[inline]
2084    pub fn visible_worktrees<'a>(
2085        &'a self,
2086        cx: &'a App,
2087    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
2088        self.worktree_store.read(cx).visible_worktrees(cx)
2089    }
2090
2091    #[inline]
2092    pub fn worktree_for_root_name(&self, root_name: &str, cx: &App) -> Option<Entity<Worktree>> {
2093        self.visible_worktrees(cx)
2094            .find(|tree| tree.read(cx).root_name() == root_name)
2095    }
2096
2097    #[inline]
2098    pub fn worktree_root_names<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = &'a str> {
2099        self.visible_worktrees(cx)
2100            .map(|tree| tree.read(cx).root_name().as_unix_str())
2101    }
2102
2103    #[inline]
2104    pub fn worktree_for_id(&self, id: WorktreeId, cx: &App) -> Option<Entity<Worktree>> {
2105        self.worktree_store.read(cx).worktree_for_id(id, cx)
2106    }
2107
2108    pub fn worktree_for_entry(
2109        &self,
2110        entry_id: ProjectEntryId,
2111        cx: &App,
2112    ) -> Option<Entity<Worktree>> {
2113        self.worktree_store
2114            .read(cx)
2115            .worktree_for_entry(entry_id, cx)
2116    }
2117
2118    #[inline]
2119    pub fn worktree_id_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<WorktreeId> {
2120        self.worktree_for_entry(entry_id, cx)
2121            .map(|worktree| worktree.read(cx).id())
2122    }
2123
2124    /// Checks if the entry is the root of a worktree.
2125    #[inline]
2126    pub fn entry_is_worktree_root(&self, entry_id: ProjectEntryId, cx: &App) -> bool {
2127        self.worktree_for_entry(entry_id, cx)
2128            .map(|worktree| {
2129                worktree
2130                    .read(cx)
2131                    .root_entry()
2132                    .is_some_and(|e| e.id == entry_id)
2133            })
2134            .unwrap_or(false)
2135    }
2136
2137    #[inline]
2138    pub fn project_path_git_status(
2139        &self,
2140        project_path: &ProjectPath,
2141        cx: &App,
2142    ) -> Option<FileStatus> {
2143        self.git_store
2144            .read(cx)
2145            .project_path_git_status(project_path, cx)
2146    }
2147
2148    #[inline]
2149    pub fn visibility_for_paths(
2150        &self,
2151        paths: &[PathBuf],
2152        metadatas: &[Metadata],
2153        exclude_sub_dirs: bool,
2154        cx: &App,
2155    ) -> Option<bool> {
2156        paths
2157            .iter()
2158            .zip(metadatas)
2159            .map(|(path, metadata)| self.visibility_for_path(path, metadata, exclude_sub_dirs, cx))
2160            .max()
2161            .flatten()
2162    }
2163
2164    pub fn visibility_for_path(
2165        &self,
2166        path: &Path,
2167        metadata: &Metadata,
2168        exclude_sub_dirs: bool,
2169        cx: &App,
2170    ) -> Option<bool> {
2171        let path = SanitizedPath::new(path).as_path();
2172        self.worktrees(cx)
2173            .filter_map(|worktree| {
2174                let worktree = worktree.read(cx);
2175                let abs_path = worktree.as_local()?.abs_path();
2176                let contains = path == abs_path.as_ref()
2177                    || (path.starts_with(abs_path) && (!exclude_sub_dirs || !metadata.is_dir));
2178                contains.then(|| worktree.is_visible())
2179            })
2180            .max()
2181    }
2182
2183    pub fn create_entry(
2184        &mut self,
2185        project_path: impl Into<ProjectPath>,
2186        is_directory: bool,
2187        cx: &mut Context<Self>,
2188    ) -> Task<Result<CreatedEntry>> {
2189        let project_path = project_path.into();
2190        let Some(worktree) = self.worktree_for_id(project_path.worktree_id, cx) else {
2191            return Task::ready(Err(anyhow!(format!(
2192                "No worktree for path {project_path:?}"
2193            ))));
2194        };
2195        worktree.update(cx, |worktree, cx| {
2196            worktree.create_entry(project_path.path, is_directory, None, cx)
2197        })
2198    }
2199
2200    #[inline]
2201    pub fn copy_entry(
2202        &mut self,
2203        entry_id: ProjectEntryId,
2204        new_project_path: ProjectPath,
2205        cx: &mut Context<Self>,
2206    ) -> Task<Result<Option<Entry>>> {
2207        self.worktree_store.update(cx, |worktree_store, cx| {
2208            worktree_store.copy_entry(entry_id, new_project_path, cx)
2209        })
2210    }
2211
2212    /// Renames the project entry with given `entry_id`.
2213    ///
2214    /// `new_path` is a relative path to worktree root.
2215    /// If root entry is renamed then its new root name is used instead.
2216    pub fn rename_entry(
2217        &mut self,
2218        entry_id: ProjectEntryId,
2219        new_path: ProjectPath,
2220        cx: &mut Context<Self>,
2221    ) -> Task<Result<CreatedEntry>> {
2222        let worktree_store = self.worktree_store.clone();
2223        let Some((worktree, old_path, is_dir)) = worktree_store
2224            .read(cx)
2225            .worktree_and_entry_for_id(entry_id, cx)
2226            .map(|(worktree, entry)| (worktree, entry.path.clone(), entry.is_dir()))
2227        else {
2228            return Task::ready(Err(anyhow!(format!("No worktree for entry {entry_id:?}"))));
2229        };
2230
2231        let worktree_id = worktree.read(cx).id();
2232        let is_root_entry = self.entry_is_worktree_root(entry_id, cx);
2233
2234        let lsp_store = self.lsp_store().downgrade();
2235        cx.spawn(async move |project, cx| {
2236            let (old_abs_path, new_abs_path) = {
2237                let root_path = worktree.read_with(cx, |this, _| this.abs_path())?;
2238                let new_abs_path = if is_root_entry {
2239                    root_path
2240                        .parent()
2241                        .unwrap()
2242                        .join(new_path.path.as_std_path())
2243                } else {
2244                    root_path.join(&new_path.path.as_std_path())
2245                };
2246                (root_path.join(old_path.as_std_path()), new_abs_path)
2247            };
2248            let transaction = LspStore::will_rename_entry(
2249                lsp_store.clone(),
2250                worktree_id,
2251                &old_abs_path,
2252                &new_abs_path,
2253                is_dir,
2254                cx.clone(),
2255            )
2256            .await;
2257
2258            let entry = worktree_store
2259                .update(cx, |worktree_store, cx| {
2260                    worktree_store.rename_entry(entry_id, new_path.clone(), cx)
2261                })?
2262                .await?;
2263
2264            project
2265                .update(cx, |_, cx| {
2266                    cx.emit(Event::EntryRenamed(transaction));
2267                })
2268                .ok();
2269
2270            lsp_store
2271                .read_with(cx, |this, _| {
2272                    this.did_rename_entry(worktree_id, &old_abs_path, &new_abs_path, is_dir);
2273                })
2274                .ok();
2275            Ok(entry)
2276        })
2277    }
2278
2279    #[inline]
2280    pub fn delete_file(
2281        &mut self,
2282        path: ProjectPath,
2283        trash: bool,
2284        cx: &mut Context<Self>,
2285    ) -> Option<Task<Result<()>>> {
2286        let entry = self.entry_for_path(&path, cx)?;
2287        self.delete_entry(entry.id, trash, cx)
2288    }
2289
2290    #[inline]
2291    pub fn delete_entry(
2292        &mut self,
2293        entry_id: ProjectEntryId,
2294        trash: bool,
2295        cx: &mut Context<Self>,
2296    ) -> Option<Task<Result<()>>> {
2297        let worktree = self.worktree_for_entry(entry_id, cx)?;
2298        cx.emit(Event::DeletedEntry(worktree.read(cx).id(), entry_id));
2299        worktree.update(cx, |worktree, cx| {
2300            worktree.delete_entry(entry_id, trash, cx)
2301        })
2302    }
2303
2304    #[inline]
2305    pub fn expand_entry(
2306        &mut self,
2307        worktree_id: WorktreeId,
2308        entry_id: ProjectEntryId,
2309        cx: &mut Context<Self>,
2310    ) -> Option<Task<Result<()>>> {
2311        let worktree = self.worktree_for_id(worktree_id, cx)?;
2312        worktree.update(cx, |worktree, cx| worktree.expand_entry(entry_id, cx))
2313    }
2314
2315    pub fn expand_all_for_entry(
2316        &mut self,
2317        worktree_id: WorktreeId,
2318        entry_id: ProjectEntryId,
2319        cx: &mut Context<Self>,
2320    ) -> Option<Task<Result<()>>> {
2321        let worktree = self.worktree_for_id(worktree_id, cx)?;
2322        let task = worktree.update(cx, |worktree, cx| {
2323            worktree.expand_all_for_entry(entry_id, cx)
2324        });
2325        Some(cx.spawn(async move |this, cx| {
2326            task.context("no task")?.await?;
2327            this.update(cx, |_, cx| {
2328                cx.emit(Event::ExpandedAllForEntry(worktree_id, entry_id));
2329            })?;
2330            Ok(())
2331        }))
2332    }
2333
2334    pub fn shared(&mut self, project_id: u64, cx: &mut Context<Self>) -> Result<()> {
2335        anyhow::ensure!(
2336            matches!(self.client_state, ProjectClientState::Local),
2337            "project was already shared"
2338        );
2339
2340        self.client_subscriptions.extend([
2341            self.collab_client
2342                .subscribe_to_entity(project_id)?
2343                .set_entity(&cx.entity(), &cx.to_async()),
2344            self.collab_client
2345                .subscribe_to_entity(project_id)?
2346                .set_entity(&self.worktree_store, &cx.to_async()),
2347            self.collab_client
2348                .subscribe_to_entity(project_id)?
2349                .set_entity(&self.buffer_store, &cx.to_async()),
2350            self.collab_client
2351                .subscribe_to_entity(project_id)?
2352                .set_entity(&self.lsp_store, &cx.to_async()),
2353            self.collab_client
2354                .subscribe_to_entity(project_id)?
2355                .set_entity(&self.settings_observer, &cx.to_async()),
2356            self.collab_client
2357                .subscribe_to_entity(project_id)?
2358                .set_entity(&self.dap_store, &cx.to_async()),
2359            self.collab_client
2360                .subscribe_to_entity(project_id)?
2361                .set_entity(&self.breakpoint_store, &cx.to_async()),
2362            self.collab_client
2363                .subscribe_to_entity(project_id)?
2364                .set_entity(&self.git_store, &cx.to_async()),
2365        ]);
2366
2367        self.buffer_store.update(cx, |buffer_store, cx| {
2368            buffer_store.shared(project_id, self.collab_client.clone().into(), cx)
2369        });
2370        self.worktree_store.update(cx, |worktree_store, cx| {
2371            worktree_store.shared(project_id, self.collab_client.clone().into(), cx);
2372        });
2373        self.lsp_store.update(cx, |lsp_store, cx| {
2374            lsp_store.shared(project_id, self.collab_client.clone().into(), cx)
2375        });
2376        self.breakpoint_store.update(cx, |breakpoint_store, _| {
2377            breakpoint_store.shared(project_id, self.collab_client.clone().into())
2378        });
2379        self.dap_store.update(cx, |dap_store, cx| {
2380            dap_store.shared(project_id, self.collab_client.clone().into(), cx);
2381        });
2382        self.task_store.update(cx, |task_store, cx| {
2383            task_store.shared(project_id, self.collab_client.clone().into(), cx);
2384        });
2385        self.settings_observer.update(cx, |settings_observer, cx| {
2386            settings_observer.shared(project_id, self.collab_client.clone().into(), cx)
2387        });
2388        self.git_store.update(cx, |git_store, cx| {
2389            git_store.shared(project_id, self.collab_client.clone().into(), cx)
2390        });
2391
2392        self.client_state = ProjectClientState::Shared {
2393            remote_id: project_id,
2394        };
2395
2396        cx.emit(Event::RemoteIdChanged(Some(project_id)));
2397        Ok(())
2398    }
2399
2400    pub fn reshared(
2401        &mut self,
2402        message: proto::ResharedProject,
2403        cx: &mut Context<Self>,
2404    ) -> Result<()> {
2405        self.buffer_store
2406            .update(cx, |buffer_store, _| buffer_store.forget_shared_buffers());
2407        self.set_collaborators_from_proto(message.collaborators, cx)?;
2408
2409        self.worktree_store.update(cx, |worktree_store, cx| {
2410            worktree_store.send_project_updates(cx);
2411        });
2412        if let Some(remote_id) = self.remote_id() {
2413            self.git_store.update(cx, |git_store, cx| {
2414                git_store.shared(remote_id, self.collab_client.clone().into(), cx)
2415            });
2416        }
2417        cx.emit(Event::Reshared);
2418        Ok(())
2419    }
2420
2421    pub fn rejoined(
2422        &mut self,
2423        message: proto::RejoinedProject,
2424        message_id: u32,
2425        cx: &mut Context<Self>,
2426    ) -> Result<()> {
2427        cx.update_global::<SettingsStore, _>(|store, cx| {
2428            self.worktree_store.update(cx, |worktree_store, cx| {
2429                for worktree in worktree_store.worktrees() {
2430                    store
2431                        .clear_local_settings(worktree.read(cx).id(), cx)
2432                        .log_err();
2433                }
2434            });
2435        });
2436
2437        self.join_project_response_message_id = message_id;
2438        self.set_worktrees_from_proto(message.worktrees, cx)?;
2439        self.set_collaborators_from_proto(message.collaborators, cx)?;
2440
2441        let project = cx.weak_entity();
2442        self.lsp_store.update(cx, |lsp_store, cx| {
2443            lsp_store.set_language_server_statuses_from_proto(
2444                project,
2445                message.language_servers,
2446                message.language_server_capabilities,
2447                cx,
2448            )
2449        });
2450        self.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
2451            .unwrap();
2452        cx.emit(Event::Rejoined);
2453        Ok(())
2454    }
2455
2456    #[inline]
2457    pub fn unshare(&mut self, cx: &mut Context<Self>) -> Result<()> {
2458        self.unshare_internal(cx)?;
2459        cx.emit(Event::RemoteIdChanged(None));
2460        Ok(())
2461    }
2462
2463    fn unshare_internal(&mut self, cx: &mut App) -> Result<()> {
2464        anyhow::ensure!(
2465            !self.is_via_collab(),
2466            "attempted to unshare a remote project"
2467        );
2468
2469        if let ProjectClientState::Shared { remote_id, .. } = self.client_state {
2470            self.client_state = ProjectClientState::Local;
2471            self.collaborators.clear();
2472            self.client_subscriptions.clear();
2473            self.worktree_store.update(cx, |store, cx| {
2474                store.unshared(cx);
2475            });
2476            self.buffer_store.update(cx, |buffer_store, cx| {
2477                buffer_store.forget_shared_buffers();
2478                buffer_store.unshared(cx)
2479            });
2480            self.task_store.update(cx, |task_store, cx| {
2481                task_store.unshared(cx);
2482            });
2483            self.breakpoint_store.update(cx, |breakpoint_store, cx| {
2484                breakpoint_store.unshared(cx);
2485            });
2486            self.dap_store.update(cx, |dap_store, cx| {
2487                dap_store.unshared(cx);
2488            });
2489            self.settings_observer.update(cx, |settings_observer, cx| {
2490                settings_observer.unshared(cx);
2491            });
2492            self.git_store.update(cx, |git_store, cx| {
2493                git_store.unshared(cx);
2494            });
2495
2496            self.collab_client
2497                .send(proto::UnshareProject {
2498                    project_id: remote_id,
2499                })
2500                .ok();
2501            Ok(())
2502        } else {
2503            anyhow::bail!("attempted to unshare an unshared project");
2504        }
2505    }
2506
2507    pub fn disconnected_from_host(&mut self, cx: &mut Context<Self>) {
2508        if self.is_disconnected(cx) {
2509            return;
2510        }
2511        self.disconnected_from_host_internal(cx);
2512        cx.emit(Event::DisconnectedFromHost);
2513    }
2514
2515    pub fn set_role(&mut self, role: proto::ChannelRole, cx: &mut Context<Self>) {
2516        let new_capability =
2517            if role == proto::ChannelRole::Member || role == proto::ChannelRole::Admin {
2518                Capability::ReadWrite
2519            } else {
2520                Capability::ReadOnly
2521            };
2522        if let ProjectClientState::Remote { capability, .. } = &mut self.client_state {
2523            if *capability == new_capability {
2524                return;
2525            }
2526
2527            *capability = new_capability;
2528            for buffer in self.opened_buffers(cx) {
2529                buffer.update(cx, |buffer, cx| buffer.set_capability(new_capability, cx));
2530            }
2531        }
2532    }
2533
2534    fn disconnected_from_host_internal(&mut self, cx: &mut App) {
2535        if let ProjectClientState::Remote {
2536            sharing_has_stopped,
2537            ..
2538        } = &mut self.client_state
2539        {
2540            *sharing_has_stopped = true;
2541            self.collaborators.clear();
2542            self.worktree_store.update(cx, |store, cx| {
2543                store.disconnected_from_host(cx);
2544            });
2545            self.buffer_store.update(cx, |buffer_store, cx| {
2546                buffer_store.disconnected_from_host(cx)
2547            });
2548            self.lsp_store
2549                .update(cx, |lsp_store, _cx| lsp_store.disconnected_from_host());
2550        }
2551    }
2552
2553    #[inline]
2554    pub fn close(&mut self, cx: &mut Context<Self>) {
2555        cx.emit(Event::Closed);
2556    }
2557
2558    #[inline]
2559    pub fn is_disconnected(&self, cx: &App) -> bool {
2560        match &self.client_state {
2561            ProjectClientState::Remote {
2562                sharing_has_stopped,
2563                ..
2564            } => *sharing_has_stopped,
2565            ProjectClientState::Local if self.is_via_remote_server() => {
2566                self.remote_client_is_disconnected(cx)
2567            }
2568            _ => false,
2569        }
2570    }
2571
2572    #[inline]
2573    fn remote_client_is_disconnected(&self, cx: &App) -> bool {
2574        self.remote_client
2575            .as_ref()
2576            .map(|remote| remote.read(cx).is_disconnected())
2577            .unwrap_or(false)
2578    }
2579
2580    #[inline]
2581    pub fn capability(&self) -> Capability {
2582        match &self.client_state {
2583            ProjectClientState::Remote { capability, .. } => *capability,
2584            ProjectClientState::Shared { .. } | ProjectClientState::Local => Capability::ReadWrite,
2585        }
2586    }
2587
2588    #[inline]
2589    pub fn is_read_only(&self, cx: &App) -> bool {
2590        self.is_disconnected(cx) || self.capability() == Capability::ReadOnly
2591    }
2592
2593    #[inline]
2594    pub fn is_local(&self) -> bool {
2595        match &self.client_state {
2596            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2597                self.remote_client.is_none()
2598            }
2599            ProjectClientState::Remote { .. } => false,
2600        }
2601    }
2602
2603    /// Whether this project is a remote server (not counting collab).
2604    #[inline]
2605    pub fn is_via_remote_server(&self) -> bool {
2606        match &self.client_state {
2607            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2608                self.remote_client.is_some()
2609            }
2610            ProjectClientState::Remote { .. } => false,
2611        }
2612    }
2613
2614    /// Whether this project is from collab (not counting remote servers).
2615    #[inline]
2616    pub fn is_via_collab(&self) -> bool {
2617        match &self.client_state {
2618            ProjectClientState::Local | ProjectClientState::Shared { .. } => false,
2619            ProjectClientState::Remote { .. } => true,
2620        }
2621    }
2622
2623    /// `!self.is_local()`
2624    #[inline]
2625    pub fn is_remote(&self) -> bool {
2626        debug_assert_eq!(
2627            !self.is_local(),
2628            self.is_via_collab() || self.is_via_remote_server()
2629        );
2630        !self.is_local()
2631    }
2632
2633    #[inline]
2634    pub fn create_buffer(
2635        &mut self,
2636        searchable: bool,
2637        cx: &mut Context<Self>,
2638    ) -> Task<Result<Entity<Buffer>>> {
2639        self.buffer_store.update(cx, |buffer_store, cx| {
2640            buffer_store.create_buffer(searchable, cx)
2641        })
2642    }
2643
2644    #[inline]
2645    pub fn create_local_buffer(
2646        &mut self,
2647        text: &str,
2648        language: Option<Arc<Language>>,
2649        project_searchable: bool,
2650        cx: &mut Context<Self>,
2651    ) -> Entity<Buffer> {
2652        if self.is_remote() {
2653            panic!("called create_local_buffer on a remote project")
2654        }
2655        self.buffer_store.update(cx, |buffer_store, cx| {
2656            buffer_store.create_local_buffer(text, language, project_searchable, cx)
2657        })
2658    }
2659
2660    pub fn open_path(
2661        &mut self,
2662        path: ProjectPath,
2663        cx: &mut Context<Self>,
2664    ) -> Task<Result<(Option<ProjectEntryId>, Entity<Buffer>)>> {
2665        let task = self.open_buffer(path, cx);
2666        cx.spawn(async move |_project, cx| {
2667            let buffer = task.await?;
2668            let project_entry_id = buffer.read_with(cx, |buffer, _cx| {
2669                File::from_dyn(buffer.file()).and_then(|file| file.project_entry_id())
2670            })?;
2671
2672            Ok((project_entry_id, buffer))
2673        })
2674    }
2675
2676    pub fn open_local_buffer(
2677        &mut self,
2678        abs_path: impl AsRef<Path>,
2679        cx: &mut Context<Self>,
2680    ) -> Task<Result<Entity<Buffer>>> {
2681        let worktree_task = self.find_or_create_worktree(abs_path.as_ref(), false, cx);
2682        cx.spawn(async move |this, cx| {
2683            let (worktree, relative_path) = worktree_task.await?;
2684            this.update(cx, |this, cx| {
2685                this.open_buffer((worktree.read(cx).id(), relative_path), cx)
2686            })?
2687            .await
2688        })
2689    }
2690
2691    #[cfg(any(test, feature = "test-support"))]
2692    pub fn open_local_buffer_with_lsp(
2693        &mut self,
2694        abs_path: impl AsRef<Path>,
2695        cx: &mut Context<Self>,
2696    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
2697        if let Some((worktree, relative_path)) = self.find_worktree(abs_path.as_ref(), cx) {
2698            self.open_buffer_with_lsp((worktree.read(cx).id(), relative_path), cx)
2699        } else {
2700            Task::ready(Err(anyhow!("no such path")))
2701        }
2702    }
2703
2704    pub fn open_buffer(
2705        &mut self,
2706        path: impl Into<ProjectPath>,
2707        cx: &mut App,
2708    ) -> Task<Result<Entity<Buffer>>> {
2709        if self.is_disconnected(cx) {
2710            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2711        }
2712
2713        self.buffer_store.update(cx, |buffer_store, cx| {
2714            buffer_store.open_buffer(path.into(), cx)
2715        })
2716    }
2717
2718    #[cfg(any(test, feature = "test-support"))]
2719    pub fn open_buffer_with_lsp(
2720        &mut self,
2721        path: impl Into<ProjectPath>,
2722        cx: &mut Context<Self>,
2723    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
2724        let buffer = self.open_buffer(path, cx);
2725        cx.spawn(async move |this, cx| {
2726            let buffer = buffer.await?;
2727            let handle = this.update(cx, |project, cx| {
2728                project.register_buffer_with_language_servers(&buffer, cx)
2729            })?;
2730            Ok((buffer, handle))
2731        })
2732    }
2733
2734    pub fn register_buffer_with_language_servers(
2735        &self,
2736        buffer: &Entity<Buffer>,
2737        cx: &mut App,
2738    ) -> OpenLspBufferHandle {
2739        self.lsp_store.update(cx, |lsp_store, cx| {
2740            lsp_store.register_buffer_with_language_servers(buffer, HashSet::default(), false, cx)
2741        })
2742    }
2743
2744    pub fn open_unstaged_diff(
2745        &mut self,
2746        buffer: Entity<Buffer>,
2747        cx: &mut Context<Self>,
2748    ) -> Task<Result<Entity<BufferDiff>>> {
2749        if self.is_disconnected(cx) {
2750            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2751        }
2752        self.git_store
2753            .update(cx, |git_store, cx| git_store.open_unstaged_diff(buffer, cx))
2754    }
2755
2756    pub fn open_uncommitted_diff(
2757        &mut self,
2758        buffer: Entity<Buffer>,
2759        cx: &mut Context<Self>,
2760    ) -> Task<Result<Entity<BufferDiff>>> {
2761        if self.is_disconnected(cx) {
2762            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2763        }
2764        self.git_store.update(cx, |git_store, cx| {
2765            git_store.open_uncommitted_diff(buffer, cx)
2766        })
2767    }
2768
2769    pub fn open_buffer_by_id(
2770        &mut self,
2771        id: BufferId,
2772        cx: &mut Context<Self>,
2773    ) -> Task<Result<Entity<Buffer>>> {
2774        if let Some(buffer) = self.buffer_for_id(id, cx) {
2775            Task::ready(Ok(buffer))
2776        } else if self.is_local() || self.is_via_remote_server() {
2777            Task::ready(Err(anyhow!("buffer {id} does not exist")))
2778        } else if let Some(project_id) = self.remote_id() {
2779            let request = self.collab_client.request(proto::OpenBufferById {
2780                project_id,
2781                id: id.into(),
2782            });
2783            cx.spawn(async move |project, cx| {
2784                let buffer_id = BufferId::new(request.await?.buffer_id)?;
2785                project
2786                    .update(cx, |project, cx| {
2787                        project.buffer_store.update(cx, |buffer_store, cx| {
2788                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
2789                        })
2790                    })?
2791                    .await
2792            })
2793        } else {
2794            Task::ready(Err(anyhow!("cannot open buffer while disconnected")))
2795        }
2796    }
2797
2798    pub fn save_buffers(
2799        &self,
2800        buffers: HashSet<Entity<Buffer>>,
2801        cx: &mut Context<Self>,
2802    ) -> Task<Result<()>> {
2803        cx.spawn(async move |this, cx| {
2804            let save_tasks = buffers.into_iter().filter_map(|buffer| {
2805                this.update(cx, |this, cx| this.save_buffer(buffer, cx))
2806                    .ok()
2807            });
2808            try_join_all(save_tasks).await?;
2809            Ok(())
2810        })
2811    }
2812
2813    pub fn save_buffer(&self, buffer: Entity<Buffer>, cx: &mut Context<Self>) -> Task<Result<()>> {
2814        self.buffer_store
2815            .update(cx, |buffer_store, cx| buffer_store.save_buffer(buffer, cx))
2816    }
2817
2818    pub fn save_buffer_as(
2819        &mut self,
2820        buffer: Entity<Buffer>,
2821        path: ProjectPath,
2822        cx: &mut Context<Self>,
2823    ) -> Task<Result<()>> {
2824        self.buffer_store.update(cx, |buffer_store, cx| {
2825            buffer_store.save_buffer_as(buffer.clone(), path, cx)
2826        })
2827    }
2828
2829    pub fn get_open_buffer(&self, path: &ProjectPath, cx: &App) -> Option<Entity<Buffer>> {
2830        self.buffer_store.read(cx).get_by_path(path)
2831    }
2832
2833    fn register_buffer(&mut self, buffer: &Entity<Buffer>, cx: &mut Context<Self>) -> Result<()> {
2834        {
2835            let mut remotely_created_models = self.remotely_created_models.lock();
2836            if remotely_created_models.retain_count > 0 {
2837                remotely_created_models.buffers.push(buffer.clone())
2838            }
2839        }
2840
2841        self.request_buffer_diff_recalculation(buffer, cx);
2842
2843        cx.subscribe(buffer, |this, buffer, event, cx| {
2844            this.on_buffer_event(buffer, event, cx);
2845        })
2846        .detach();
2847
2848        Ok(())
2849    }
2850
2851    pub fn open_image(
2852        &mut self,
2853        path: impl Into<ProjectPath>,
2854        cx: &mut Context<Self>,
2855    ) -> Task<Result<Entity<ImageItem>>> {
2856        if self.is_disconnected(cx) {
2857            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2858        }
2859
2860        let open_image_task = self.image_store.update(cx, |image_store, cx| {
2861            image_store.open_image(path.into(), cx)
2862        });
2863
2864        let weak_project = cx.entity().downgrade();
2865        cx.spawn(async move |_, cx| {
2866            let image_item = open_image_task.await?;
2867            let project = weak_project.upgrade().context("Project dropped")?;
2868
2869            let metadata = ImageItem::load_image_metadata(image_item.clone(), project, cx).await?;
2870            image_item.update(cx, |image_item, cx| {
2871                image_item.image_metadata = Some(metadata);
2872                cx.emit(ImageItemEvent::MetadataUpdated);
2873            })?;
2874
2875            Ok(image_item)
2876        })
2877    }
2878
2879    async fn send_buffer_ordered_messages(
2880        project: WeakEntity<Self>,
2881        rx: UnboundedReceiver<BufferOrderedMessage>,
2882        cx: &mut AsyncApp,
2883    ) -> Result<()> {
2884        const MAX_BATCH_SIZE: usize = 128;
2885
2886        let mut operations_by_buffer_id = HashMap::default();
2887        async fn flush_operations(
2888            this: &WeakEntity<Project>,
2889            operations_by_buffer_id: &mut HashMap<BufferId, Vec<proto::Operation>>,
2890            needs_resync_with_host: &mut bool,
2891            is_local: bool,
2892            cx: &mut AsyncApp,
2893        ) -> Result<()> {
2894            for (buffer_id, operations) in operations_by_buffer_id.drain() {
2895                let request = this.read_with(cx, |this, _| {
2896                    let project_id = this.remote_id()?;
2897                    Some(this.collab_client.request(proto::UpdateBuffer {
2898                        buffer_id: buffer_id.into(),
2899                        project_id,
2900                        operations,
2901                    }))
2902                })?;
2903                if let Some(request) = request
2904                    && request.await.is_err()
2905                    && !is_local
2906                {
2907                    *needs_resync_with_host = true;
2908                    break;
2909                }
2910            }
2911            Ok(())
2912        }
2913
2914        let mut needs_resync_with_host = false;
2915        let mut changes = rx.ready_chunks(MAX_BATCH_SIZE);
2916
2917        while let Some(changes) = changes.next().await {
2918            let is_local = project.read_with(cx, |this, _| this.is_local())?;
2919
2920            for change in changes {
2921                match change {
2922                    BufferOrderedMessage::Operation {
2923                        buffer_id,
2924                        operation,
2925                    } => {
2926                        if needs_resync_with_host {
2927                            continue;
2928                        }
2929
2930                        operations_by_buffer_id
2931                            .entry(buffer_id)
2932                            .or_insert(Vec::new())
2933                            .push(operation);
2934                    }
2935
2936                    BufferOrderedMessage::Resync => {
2937                        operations_by_buffer_id.clear();
2938                        if project
2939                            .update(cx, |this, cx| this.synchronize_remote_buffers(cx))?
2940                            .await
2941                            .is_ok()
2942                        {
2943                            needs_resync_with_host = false;
2944                        }
2945                    }
2946
2947                    BufferOrderedMessage::LanguageServerUpdate {
2948                        language_server_id,
2949                        message,
2950                        name,
2951                    } => {
2952                        flush_operations(
2953                            &project,
2954                            &mut operations_by_buffer_id,
2955                            &mut needs_resync_with_host,
2956                            is_local,
2957                            cx,
2958                        )
2959                        .await?;
2960
2961                        project.read_with(cx, |project, _| {
2962                            if let Some(project_id) = project.remote_id() {
2963                                project
2964                                    .collab_client
2965                                    .send(proto::UpdateLanguageServer {
2966                                        project_id,
2967                                        server_name: name.map(|name| String::from(name.0)),
2968                                        language_server_id: language_server_id.to_proto(),
2969                                        variant: Some(message),
2970                                    })
2971                                    .log_err();
2972                            }
2973                        })?;
2974                    }
2975                }
2976            }
2977
2978            flush_operations(
2979                &project,
2980                &mut operations_by_buffer_id,
2981                &mut needs_resync_with_host,
2982                is_local,
2983                cx,
2984            )
2985            .await?;
2986        }
2987
2988        Ok(())
2989    }
2990
2991    fn on_buffer_store_event(
2992        &mut self,
2993        _: Entity<BufferStore>,
2994        event: &BufferStoreEvent,
2995        cx: &mut Context<Self>,
2996    ) {
2997        match event {
2998            BufferStoreEvent::BufferAdded(buffer) => {
2999                self.register_buffer(buffer, cx).log_err();
3000            }
3001            BufferStoreEvent::BufferDropped(buffer_id) => {
3002                if let Some(ref remote_client) = self.remote_client {
3003                    remote_client
3004                        .read(cx)
3005                        .proto_client()
3006                        .send(proto::CloseBuffer {
3007                            project_id: 0,
3008                            buffer_id: buffer_id.to_proto(),
3009                        })
3010                        .log_err();
3011                }
3012            }
3013            _ => {}
3014        }
3015    }
3016
3017    fn on_image_store_event(
3018        &mut self,
3019        _: Entity<ImageStore>,
3020        event: &ImageStoreEvent,
3021        cx: &mut Context<Self>,
3022    ) {
3023        match event {
3024            ImageStoreEvent::ImageAdded(image) => {
3025                cx.subscribe(image, |this, image, event, cx| {
3026                    this.on_image_event(image, event, cx);
3027                })
3028                .detach();
3029            }
3030        }
3031    }
3032
3033    fn on_dap_store_event(
3034        &mut self,
3035        _: Entity<DapStore>,
3036        event: &DapStoreEvent,
3037        cx: &mut Context<Self>,
3038    ) {
3039        if let DapStoreEvent::Notification(message) = event {
3040            cx.emit(Event::Toast {
3041                notification_id: "dap".into(),
3042                message: message.clone(),
3043            });
3044        }
3045    }
3046
3047    fn on_lsp_store_event(
3048        &mut self,
3049        _: Entity<LspStore>,
3050        event: &LspStoreEvent,
3051        cx: &mut Context<Self>,
3052    ) {
3053        match event {
3054            LspStoreEvent::DiagnosticsUpdated { server_id, paths } => {
3055                cx.emit(Event::DiagnosticsUpdated {
3056                    paths: paths.clone(),
3057                    language_server_id: *server_id,
3058                })
3059            }
3060            LspStoreEvent::LanguageServerAdded(server_id, name, worktree_id) => cx.emit(
3061                Event::LanguageServerAdded(*server_id, name.clone(), *worktree_id),
3062            ),
3063            LspStoreEvent::LanguageServerRemoved(server_id) => {
3064                cx.emit(Event::LanguageServerRemoved(*server_id))
3065            }
3066            LspStoreEvent::LanguageServerLog(server_id, log_type, string) => cx.emit(
3067                Event::LanguageServerLog(*server_id, log_type.clone(), string.clone()),
3068            ),
3069            LspStoreEvent::LanguageDetected {
3070                buffer,
3071                new_language,
3072            } => {
3073                let Some(_) = new_language else {
3074                    cx.emit(Event::LanguageNotFound(buffer.clone()));
3075                    return;
3076                };
3077            }
3078            LspStoreEvent::RefreshInlayHints(server_id) => {
3079                cx.emit(Event::RefreshInlayHints(*server_id))
3080            }
3081            LspStoreEvent::RefreshCodeLens => cx.emit(Event::RefreshCodeLens),
3082            LspStoreEvent::LanguageServerPrompt(prompt) => {
3083                cx.emit(Event::LanguageServerPrompt(prompt.clone()))
3084            }
3085            LspStoreEvent::DiskBasedDiagnosticsStarted { language_server_id } => {
3086                cx.emit(Event::DiskBasedDiagnosticsStarted {
3087                    language_server_id: *language_server_id,
3088                });
3089            }
3090            LspStoreEvent::DiskBasedDiagnosticsFinished { language_server_id } => {
3091                cx.emit(Event::DiskBasedDiagnosticsFinished {
3092                    language_server_id: *language_server_id,
3093                });
3094            }
3095            LspStoreEvent::LanguageServerUpdate {
3096                language_server_id,
3097                name,
3098                message,
3099            } => {
3100                if self.is_local() {
3101                    self.enqueue_buffer_ordered_message(
3102                        BufferOrderedMessage::LanguageServerUpdate {
3103                            language_server_id: *language_server_id,
3104                            message: message.clone(),
3105                            name: name.clone(),
3106                        },
3107                    )
3108                    .ok();
3109                }
3110
3111                match message {
3112                    proto::update_language_server::Variant::MetadataUpdated(update) => {
3113                        if let Some(capabilities) = update
3114                            .capabilities
3115                            .as_ref()
3116                            .and_then(|capabilities| serde_json::from_str(capabilities).ok())
3117                        {
3118                            self.lsp_store.update(cx, |lsp_store, _| {
3119                                lsp_store
3120                                    .lsp_server_capabilities
3121                                    .insert(*language_server_id, capabilities);
3122                            });
3123                        }
3124                    }
3125                    proto::update_language_server::Variant::RegisteredForBuffer(update) => {
3126                        if let Some(buffer_id) = BufferId::new(update.buffer_id).ok() {
3127                            cx.emit(Event::LanguageServerBufferRegistered {
3128                                buffer_id,
3129                                server_id: *language_server_id,
3130                                buffer_abs_path: PathBuf::from(&update.buffer_abs_path),
3131                                name: name.clone(),
3132                            });
3133                        }
3134                    }
3135                    _ => (),
3136                }
3137            }
3138            LspStoreEvent::Notification(message) => cx.emit(Event::Toast {
3139                notification_id: "lsp".into(),
3140                message: message.clone(),
3141            }),
3142            LspStoreEvent::SnippetEdit {
3143                buffer_id,
3144                edits,
3145                most_recent_edit,
3146            } => {
3147                if most_recent_edit.replica_id == self.replica_id() {
3148                    cx.emit(Event::SnippetEdit(*buffer_id, edits.clone()))
3149                }
3150            }
3151        }
3152    }
3153
3154    fn on_remote_client_event(
3155        &mut self,
3156        _: Entity<RemoteClient>,
3157        event: &remote::RemoteClientEvent,
3158        cx: &mut Context<Self>,
3159    ) {
3160        match event {
3161            remote::RemoteClientEvent::Disconnected => {
3162                self.worktree_store.update(cx, |store, cx| {
3163                    store.disconnected_from_host(cx);
3164                });
3165                self.buffer_store.update(cx, |buffer_store, cx| {
3166                    buffer_store.disconnected_from_host(cx)
3167                });
3168                self.lsp_store.update(cx, |lsp_store, _cx| {
3169                    lsp_store.disconnected_from_ssh_remote()
3170                });
3171                cx.emit(Event::DisconnectedFromSshRemote);
3172            }
3173        }
3174    }
3175
3176    fn on_settings_observer_event(
3177        &mut self,
3178        _: Entity<SettingsObserver>,
3179        event: &SettingsObserverEvent,
3180        cx: &mut Context<Self>,
3181    ) {
3182        match event {
3183            SettingsObserverEvent::LocalSettingsUpdated(result) => match result {
3184                Err(InvalidSettingsError::LocalSettings { message, path }) => {
3185                    let message = format!("Failed to set local settings in {path:?}:\n{message}");
3186                    cx.emit(Event::Toast {
3187                        notification_id: format!("local-settings-{path:?}").into(),
3188                        message,
3189                    });
3190                }
3191                Ok(path) => cx.emit(Event::HideToast {
3192                    notification_id: format!("local-settings-{path:?}").into(),
3193                }),
3194                Err(_) => {}
3195            },
3196            SettingsObserverEvent::LocalTasksUpdated(result) => match result {
3197                Err(InvalidSettingsError::Tasks { message, path }) => {
3198                    let message = format!("Failed to set local tasks in {path:?}:\n{message}");
3199                    cx.emit(Event::Toast {
3200                        notification_id: format!("local-tasks-{path:?}").into(),
3201                        message,
3202                    });
3203                }
3204                Ok(path) => cx.emit(Event::HideToast {
3205                    notification_id: format!("local-tasks-{path:?}").into(),
3206                }),
3207                Err(_) => {}
3208            },
3209            SettingsObserverEvent::LocalDebugScenariosUpdated(result) => match result {
3210                Err(InvalidSettingsError::Debug { message, path }) => {
3211                    let message =
3212                        format!("Failed to set local debug scenarios in {path:?}:\n{message}");
3213                    cx.emit(Event::Toast {
3214                        notification_id: format!("local-debug-scenarios-{path:?}").into(),
3215                        message,
3216                    });
3217                }
3218                Ok(path) => cx.emit(Event::HideToast {
3219                    notification_id: format!("local-debug-scenarios-{path:?}").into(),
3220                }),
3221                Err(_) => {}
3222            },
3223        }
3224    }
3225
3226    fn on_worktree_store_event(
3227        &mut self,
3228        _: Entity<WorktreeStore>,
3229        event: &WorktreeStoreEvent,
3230        cx: &mut Context<Self>,
3231    ) {
3232        match event {
3233            WorktreeStoreEvent::WorktreeAdded(worktree) => {
3234                self.on_worktree_added(worktree, cx);
3235                cx.emit(Event::WorktreeAdded(worktree.read(cx).id()));
3236            }
3237            WorktreeStoreEvent::WorktreeRemoved(_, id) => {
3238                cx.emit(Event::WorktreeRemoved(*id));
3239            }
3240            WorktreeStoreEvent::WorktreeReleased(_, id) => {
3241                self.on_worktree_released(*id, cx);
3242            }
3243            WorktreeStoreEvent::WorktreeOrderChanged => cx.emit(Event::WorktreeOrderChanged),
3244            WorktreeStoreEvent::WorktreeUpdateSent(_) => {}
3245            WorktreeStoreEvent::WorktreeUpdatedEntries(worktree_id, changes) => {
3246                self.client()
3247                    .telemetry()
3248                    .report_discovered_project_type_events(*worktree_id, changes);
3249                cx.emit(Event::WorktreeUpdatedEntries(*worktree_id, changes.clone()))
3250            }
3251            WorktreeStoreEvent::WorktreeDeletedEntry(worktree_id, id) => {
3252                cx.emit(Event::DeletedEntry(*worktree_id, *id))
3253            }
3254            // Listen to the GitStore instead.
3255            WorktreeStoreEvent::WorktreeUpdatedGitRepositories(_, _) => {}
3256        }
3257    }
3258
3259    fn on_worktree_added(&mut self, worktree: &Entity<Worktree>, _: &mut Context<Self>) {
3260        let mut remotely_created_models = self.remotely_created_models.lock();
3261        if remotely_created_models.retain_count > 0 {
3262            remotely_created_models.worktrees.push(worktree.clone())
3263        }
3264    }
3265
3266    fn on_worktree_released(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
3267        if let Some(remote) = &self.remote_client {
3268            remote
3269                .read(cx)
3270                .proto_client()
3271                .send(proto::RemoveWorktree {
3272                    worktree_id: id_to_remove.to_proto(),
3273                })
3274                .log_err();
3275        }
3276    }
3277
3278    fn on_buffer_event(
3279        &mut self,
3280        buffer: Entity<Buffer>,
3281        event: &BufferEvent,
3282        cx: &mut Context<Self>,
3283    ) -> Option<()> {
3284        if matches!(event, BufferEvent::Edited | BufferEvent::Reloaded) {
3285            self.request_buffer_diff_recalculation(&buffer, cx);
3286        }
3287
3288        let buffer_id = buffer.read(cx).remote_id();
3289        match event {
3290            BufferEvent::ReloadNeeded => {
3291                if !self.is_via_collab() {
3292                    self.reload_buffers([buffer.clone()].into_iter().collect(), true, cx)
3293                        .detach_and_log_err(cx);
3294                }
3295            }
3296            BufferEvent::Operation {
3297                operation,
3298                is_local: true,
3299            } => {
3300                let operation = language::proto::serialize_operation(operation);
3301
3302                if let Some(remote) = &self.remote_client {
3303                    remote
3304                        .read(cx)
3305                        .proto_client()
3306                        .send(proto::UpdateBuffer {
3307                            project_id: 0,
3308                            buffer_id: buffer_id.to_proto(),
3309                            operations: vec![operation.clone()],
3310                        })
3311                        .ok();
3312                }
3313
3314                self.enqueue_buffer_ordered_message(BufferOrderedMessage::Operation {
3315                    buffer_id,
3316                    operation,
3317                })
3318                .ok();
3319            }
3320
3321            _ => {}
3322        }
3323
3324        None
3325    }
3326
3327    fn on_image_event(
3328        &mut self,
3329        image: Entity<ImageItem>,
3330        event: &ImageItemEvent,
3331        cx: &mut Context<Self>,
3332    ) -> Option<()> {
3333        if let ImageItemEvent::ReloadNeeded = event
3334            && !self.is_via_collab()
3335        {
3336            self.reload_images([image].into_iter().collect(), cx)
3337                .detach_and_log_err(cx);
3338        }
3339
3340        None
3341    }
3342
3343    fn request_buffer_diff_recalculation(
3344        &mut self,
3345        buffer: &Entity<Buffer>,
3346        cx: &mut Context<Self>,
3347    ) {
3348        self.buffers_needing_diff.insert(buffer.downgrade());
3349        let first_insertion = self.buffers_needing_diff.len() == 1;
3350        let settings = ProjectSettings::get_global(cx);
3351        let delay = settings.git.gutter_debounce;
3352
3353        if delay == 0 {
3354            if first_insertion {
3355                let this = cx.weak_entity();
3356                cx.defer(move |cx| {
3357                    if let Some(this) = this.upgrade() {
3358                        this.update(cx, |this, cx| {
3359                            this.recalculate_buffer_diffs(cx).detach();
3360                        });
3361                    }
3362                });
3363            }
3364            return;
3365        }
3366
3367        const MIN_DELAY: u64 = 50;
3368        let delay = delay.max(MIN_DELAY);
3369        let duration = Duration::from_millis(delay);
3370
3371        self.git_diff_debouncer
3372            .fire_new(duration, cx, move |this, cx| {
3373                this.recalculate_buffer_diffs(cx)
3374            });
3375    }
3376
3377    fn recalculate_buffer_diffs(&mut self, cx: &mut Context<Self>) -> Task<()> {
3378        cx.spawn(async move |this, cx| {
3379            loop {
3380                let task = this
3381                    .update(cx, |this, cx| {
3382                        let buffers = this
3383                            .buffers_needing_diff
3384                            .drain()
3385                            .filter_map(|buffer| buffer.upgrade())
3386                            .collect::<Vec<_>>();
3387                        if buffers.is_empty() {
3388                            None
3389                        } else {
3390                            Some(this.git_store.update(cx, |git_store, cx| {
3391                                git_store.recalculate_buffer_diffs(buffers, cx)
3392                            }))
3393                        }
3394                    })
3395                    .ok()
3396                    .flatten();
3397
3398                if let Some(task) = task {
3399                    task.await;
3400                } else {
3401                    break;
3402                }
3403            }
3404        })
3405    }
3406
3407    pub fn set_language_for_buffer(
3408        &mut self,
3409        buffer: &Entity<Buffer>,
3410        new_language: Arc<Language>,
3411        cx: &mut Context<Self>,
3412    ) {
3413        self.lsp_store.update(cx, |lsp_store, cx| {
3414            lsp_store.set_language_for_buffer(buffer, new_language, cx)
3415        })
3416    }
3417
3418    pub fn restart_language_servers_for_buffers(
3419        &mut self,
3420        buffers: Vec<Entity<Buffer>>,
3421        only_restart_servers: HashSet<LanguageServerSelector>,
3422        cx: &mut Context<Self>,
3423    ) {
3424        self.lsp_store.update(cx, |lsp_store, cx| {
3425            lsp_store.restart_language_servers_for_buffers(buffers, only_restart_servers, cx)
3426        })
3427    }
3428
3429    pub fn stop_language_servers_for_buffers(
3430        &mut self,
3431        buffers: Vec<Entity<Buffer>>,
3432        also_restart_servers: HashSet<LanguageServerSelector>,
3433        cx: &mut Context<Self>,
3434    ) {
3435        self.lsp_store
3436            .update(cx, |lsp_store, cx| {
3437                lsp_store.stop_language_servers_for_buffers(buffers, also_restart_servers, cx)
3438            })
3439            .detach_and_log_err(cx);
3440    }
3441
3442    pub fn cancel_language_server_work_for_buffers(
3443        &mut self,
3444        buffers: impl IntoIterator<Item = Entity<Buffer>>,
3445        cx: &mut Context<Self>,
3446    ) {
3447        self.lsp_store.update(cx, |lsp_store, cx| {
3448            lsp_store.cancel_language_server_work_for_buffers(buffers, cx)
3449        })
3450    }
3451
3452    pub fn cancel_language_server_work(
3453        &mut self,
3454        server_id: LanguageServerId,
3455        token_to_cancel: Option<ProgressToken>,
3456        cx: &mut Context<Self>,
3457    ) {
3458        self.lsp_store.update(cx, |lsp_store, cx| {
3459            lsp_store.cancel_language_server_work(server_id, token_to_cancel, cx)
3460        })
3461    }
3462
3463    fn enqueue_buffer_ordered_message(&mut self, message: BufferOrderedMessage) -> Result<()> {
3464        self.buffer_ordered_messages_tx
3465            .unbounded_send(message)
3466            .map_err(|e| anyhow!(e))
3467    }
3468
3469    pub fn available_toolchains(
3470        &self,
3471        path: ProjectPath,
3472        language_name: LanguageName,
3473        cx: &App,
3474    ) -> Task<Option<Toolchains>> {
3475        if let Some(toolchain_store) = self.toolchain_store.as_ref().map(Entity::downgrade) {
3476            cx.spawn(async move |cx| {
3477                toolchain_store
3478                    .update(cx, |this, cx| this.list_toolchains(path, language_name, cx))
3479                    .ok()?
3480                    .await
3481            })
3482        } else {
3483            Task::ready(None)
3484        }
3485    }
3486
3487    pub async fn toolchain_metadata(
3488        languages: Arc<LanguageRegistry>,
3489        language_name: LanguageName,
3490    ) -> Option<ToolchainMetadata> {
3491        languages
3492            .language_for_name(language_name.as_ref())
3493            .await
3494            .ok()?
3495            .toolchain_lister()
3496            .map(|lister| lister.meta())
3497    }
3498
3499    pub fn add_toolchain(
3500        &self,
3501        toolchain: Toolchain,
3502        scope: ToolchainScope,
3503        cx: &mut Context<Self>,
3504    ) {
3505        maybe!({
3506            self.toolchain_store.as_ref()?.update(cx, |this, cx| {
3507                this.add_toolchain(toolchain, scope, cx);
3508            });
3509            Some(())
3510        });
3511    }
3512
3513    pub fn remove_toolchain(
3514        &self,
3515        toolchain: Toolchain,
3516        scope: ToolchainScope,
3517        cx: &mut Context<Self>,
3518    ) {
3519        maybe!({
3520            self.toolchain_store.as_ref()?.update(cx, |this, cx| {
3521                this.remove_toolchain(toolchain, scope, cx);
3522            });
3523            Some(())
3524        });
3525    }
3526
3527    pub fn user_toolchains(
3528        &self,
3529        cx: &App,
3530    ) -> Option<BTreeMap<ToolchainScope, IndexSet<Toolchain>>> {
3531        Some(self.toolchain_store.as_ref()?.read(cx).user_toolchains())
3532    }
3533
3534    pub fn resolve_toolchain(
3535        &self,
3536        path: PathBuf,
3537        language_name: LanguageName,
3538        cx: &App,
3539    ) -> Task<Result<Toolchain>> {
3540        if let Some(toolchain_store) = self.toolchain_store.as_ref().map(Entity::downgrade) {
3541            cx.spawn(async move |cx| {
3542                toolchain_store
3543                    .update(cx, |this, cx| {
3544                        this.resolve_toolchain(path, language_name, cx)
3545                    })?
3546                    .await
3547            })
3548        } else {
3549            Task::ready(Err(anyhow!("This project does not support toolchains")))
3550        }
3551    }
3552
3553    pub fn toolchain_store(&self) -> Option<Entity<ToolchainStore>> {
3554        self.toolchain_store.clone()
3555    }
3556    pub fn activate_toolchain(
3557        &self,
3558        path: ProjectPath,
3559        toolchain: Toolchain,
3560        cx: &mut App,
3561    ) -> Task<Option<()>> {
3562        let Some(toolchain_store) = self.toolchain_store.clone() else {
3563            return Task::ready(None);
3564        };
3565        toolchain_store.update(cx, |this, cx| this.activate_toolchain(path, toolchain, cx))
3566    }
3567    pub fn active_toolchain(
3568        &self,
3569        path: ProjectPath,
3570        language_name: LanguageName,
3571        cx: &App,
3572    ) -> Task<Option<Toolchain>> {
3573        let Some(toolchain_store) = self.toolchain_store.clone() else {
3574            return Task::ready(None);
3575        };
3576        toolchain_store
3577            .read(cx)
3578            .active_toolchain(path, language_name, cx)
3579    }
3580    pub fn language_server_statuses<'a>(
3581        &'a self,
3582        cx: &'a App,
3583    ) -> impl DoubleEndedIterator<Item = (LanguageServerId, &'a LanguageServerStatus)> {
3584        self.lsp_store.read(cx).language_server_statuses()
3585    }
3586
3587    pub fn last_formatting_failure<'a>(&self, cx: &'a App) -> Option<&'a str> {
3588        self.lsp_store.read(cx).last_formatting_failure()
3589    }
3590
3591    pub fn reset_last_formatting_failure(&self, cx: &mut App) {
3592        self.lsp_store
3593            .update(cx, |store, _| store.reset_last_formatting_failure());
3594    }
3595
3596    pub fn reload_buffers(
3597        &self,
3598        buffers: HashSet<Entity<Buffer>>,
3599        push_to_history: bool,
3600        cx: &mut Context<Self>,
3601    ) -> Task<Result<ProjectTransaction>> {
3602        self.buffer_store.update(cx, |buffer_store, cx| {
3603            buffer_store.reload_buffers(buffers, push_to_history, cx)
3604        })
3605    }
3606
3607    pub fn reload_images(
3608        &self,
3609        images: HashSet<Entity<ImageItem>>,
3610        cx: &mut Context<Self>,
3611    ) -> Task<Result<()>> {
3612        self.image_store
3613            .update(cx, |image_store, cx| image_store.reload_images(images, cx))
3614    }
3615
3616    pub fn format(
3617        &mut self,
3618        buffers: HashSet<Entity<Buffer>>,
3619        target: LspFormatTarget,
3620        push_to_history: bool,
3621        trigger: lsp_store::FormatTrigger,
3622        cx: &mut Context<Project>,
3623    ) -> Task<anyhow::Result<ProjectTransaction>> {
3624        self.lsp_store.update(cx, |lsp_store, cx| {
3625            lsp_store.format(buffers, target, push_to_history, trigger, cx)
3626        })
3627    }
3628
3629    pub fn definitions<T: ToPointUtf16>(
3630        &mut self,
3631        buffer: &Entity<Buffer>,
3632        position: T,
3633        cx: &mut Context<Self>,
3634    ) -> Task<Result<Option<Vec<LocationLink>>>> {
3635        let position = position.to_point_utf16(buffer.read(cx));
3636        let guard = self.retain_remotely_created_models(cx);
3637        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3638            lsp_store.definitions(buffer, position, cx)
3639        });
3640        cx.background_spawn(async move {
3641            let result = task.await;
3642            drop(guard);
3643            result
3644        })
3645    }
3646
3647    pub fn declarations<T: ToPointUtf16>(
3648        &mut self,
3649        buffer: &Entity<Buffer>,
3650        position: T,
3651        cx: &mut Context<Self>,
3652    ) -> Task<Result<Option<Vec<LocationLink>>>> {
3653        let position = position.to_point_utf16(buffer.read(cx));
3654        let guard = self.retain_remotely_created_models(cx);
3655        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3656            lsp_store.declarations(buffer, position, cx)
3657        });
3658        cx.background_spawn(async move {
3659            let result = task.await;
3660            drop(guard);
3661            result
3662        })
3663    }
3664
3665    pub fn type_definitions<T: ToPointUtf16>(
3666        &mut self,
3667        buffer: &Entity<Buffer>,
3668        position: T,
3669        cx: &mut Context<Self>,
3670    ) -> Task<Result<Option<Vec<LocationLink>>>> {
3671        let position = position.to_point_utf16(buffer.read(cx));
3672        let guard = self.retain_remotely_created_models(cx);
3673        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3674            lsp_store.type_definitions(buffer, position, cx)
3675        });
3676        cx.background_spawn(async move {
3677            let result = task.await;
3678            drop(guard);
3679            result
3680        })
3681    }
3682
3683    pub fn implementations<T: ToPointUtf16>(
3684        &mut self,
3685        buffer: &Entity<Buffer>,
3686        position: T,
3687        cx: &mut Context<Self>,
3688    ) -> Task<Result<Option<Vec<LocationLink>>>> {
3689        let position = position.to_point_utf16(buffer.read(cx));
3690        let guard = self.retain_remotely_created_models(cx);
3691        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3692            lsp_store.implementations(buffer, position, cx)
3693        });
3694        cx.background_spawn(async move {
3695            let result = task.await;
3696            drop(guard);
3697            result
3698        })
3699    }
3700
3701    pub fn references<T: ToPointUtf16>(
3702        &mut self,
3703        buffer: &Entity<Buffer>,
3704        position: T,
3705        cx: &mut Context<Self>,
3706    ) -> Task<Result<Option<Vec<Location>>>> {
3707        let position = position.to_point_utf16(buffer.read(cx));
3708        let guard = self.retain_remotely_created_models(cx);
3709        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3710            lsp_store.references(buffer, position, cx)
3711        });
3712        cx.background_spawn(async move {
3713            let result = task.await;
3714            drop(guard);
3715            result
3716        })
3717    }
3718
3719    pub fn document_highlights<T: ToPointUtf16>(
3720        &mut self,
3721        buffer: &Entity<Buffer>,
3722        position: T,
3723        cx: &mut Context<Self>,
3724    ) -> Task<Result<Vec<DocumentHighlight>>> {
3725        let position = position.to_point_utf16(buffer.read(cx));
3726        self.request_lsp(
3727            buffer.clone(),
3728            LanguageServerToQuery::FirstCapable,
3729            GetDocumentHighlights { position },
3730            cx,
3731        )
3732    }
3733
3734    pub fn document_symbols(
3735        &mut self,
3736        buffer: &Entity<Buffer>,
3737        cx: &mut Context<Self>,
3738    ) -> Task<Result<Vec<DocumentSymbol>>> {
3739        self.request_lsp(
3740            buffer.clone(),
3741            LanguageServerToQuery::FirstCapable,
3742            GetDocumentSymbols,
3743            cx,
3744        )
3745    }
3746
3747    pub fn symbols(&self, query: &str, cx: &mut Context<Self>) -> Task<Result<Vec<Symbol>>> {
3748        self.lsp_store
3749            .update(cx, |lsp_store, cx| lsp_store.symbols(query, cx))
3750    }
3751
3752    pub fn open_buffer_for_symbol(
3753        &mut self,
3754        symbol: &Symbol,
3755        cx: &mut Context<Self>,
3756    ) -> Task<Result<Entity<Buffer>>> {
3757        self.lsp_store.update(cx, |lsp_store, cx| {
3758            lsp_store.open_buffer_for_symbol(symbol, cx)
3759        })
3760    }
3761
3762    pub fn open_server_settings(&mut self, cx: &mut Context<Self>) -> Task<Result<Entity<Buffer>>> {
3763        let guard = self.retain_remotely_created_models(cx);
3764        let Some(remote) = self.remote_client.as_ref() else {
3765            return Task::ready(Err(anyhow!("not an ssh project")));
3766        };
3767
3768        let proto_client = remote.read(cx).proto_client();
3769
3770        cx.spawn(async move |project, cx| {
3771            let buffer = proto_client
3772                .request(proto::OpenServerSettings {
3773                    project_id: REMOTE_SERVER_PROJECT_ID,
3774                })
3775                .await?;
3776
3777            let buffer = project
3778                .update(cx, |project, cx| {
3779                    project.buffer_store.update(cx, |buffer_store, cx| {
3780                        anyhow::Ok(
3781                            buffer_store
3782                                .wait_for_remote_buffer(BufferId::new(buffer.buffer_id)?, cx),
3783                        )
3784                    })
3785                })??
3786                .await;
3787
3788            drop(guard);
3789            buffer
3790        })
3791    }
3792
3793    pub fn open_local_buffer_via_lsp(
3794        &mut self,
3795        abs_path: lsp::Uri,
3796        language_server_id: LanguageServerId,
3797        cx: &mut Context<Self>,
3798    ) -> Task<Result<Entity<Buffer>>> {
3799        self.lsp_store.update(cx, |lsp_store, cx| {
3800            lsp_store.open_local_buffer_via_lsp(abs_path, language_server_id, cx)
3801        })
3802    }
3803
3804    pub fn hover<T: ToPointUtf16>(
3805        &self,
3806        buffer: &Entity<Buffer>,
3807        position: T,
3808        cx: &mut Context<Self>,
3809    ) -> Task<Option<Vec<Hover>>> {
3810        let position = position.to_point_utf16(buffer.read(cx));
3811        self.lsp_store
3812            .update(cx, |lsp_store, cx| lsp_store.hover(buffer, position, cx))
3813    }
3814
3815    pub fn linked_edits(
3816        &self,
3817        buffer: &Entity<Buffer>,
3818        position: Anchor,
3819        cx: &mut Context<Self>,
3820    ) -> Task<Result<Vec<Range<Anchor>>>> {
3821        self.lsp_store.update(cx, |lsp_store, cx| {
3822            lsp_store.linked_edits(buffer, position, cx)
3823        })
3824    }
3825
3826    pub fn completions<T: ToOffset + ToPointUtf16>(
3827        &self,
3828        buffer: &Entity<Buffer>,
3829        position: T,
3830        context: CompletionContext,
3831        cx: &mut Context<Self>,
3832    ) -> Task<Result<Vec<CompletionResponse>>> {
3833        let position = position.to_point_utf16(buffer.read(cx));
3834        self.lsp_store.update(cx, |lsp_store, cx| {
3835            lsp_store.completions(buffer, position, context, cx)
3836        })
3837    }
3838
3839    pub fn code_actions<T: Clone + ToOffset>(
3840        &mut self,
3841        buffer_handle: &Entity<Buffer>,
3842        range: Range<T>,
3843        kinds: Option<Vec<CodeActionKind>>,
3844        cx: &mut Context<Self>,
3845    ) -> Task<Result<Option<Vec<CodeAction>>>> {
3846        let buffer = buffer_handle.read(cx);
3847        let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
3848        self.lsp_store.update(cx, |lsp_store, cx| {
3849            lsp_store.code_actions(buffer_handle, range, kinds, cx)
3850        })
3851    }
3852
3853    pub fn code_lens_actions<T: Clone + ToOffset>(
3854        &mut self,
3855        buffer: &Entity<Buffer>,
3856        range: Range<T>,
3857        cx: &mut Context<Self>,
3858    ) -> Task<Result<Option<Vec<CodeAction>>>> {
3859        let snapshot = buffer.read(cx).snapshot();
3860        let range = range.to_point(&snapshot);
3861        let range_start = snapshot.anchor_before(range.start);
3862        let range_end = if range.start == range.end {
3863            range_start
3864        } else {
3865            snapshot.anchor_after(range.end)
3866        };
3867        let range = range_start..range_end;
3868        let code_lens_actions = self
3869            .lsp_store
3870            .update(cx, |lsp_store, cx| lsp_store.code_lens_actions(buffer, cx));
3871
3872        cx.background_spawn(async move {
3873            let mut code_lens_actions = code_lens_actions
3874                .await
3875                .map_err(|e| anyhow!("code lens fetch failed: {e:#}"))?;
3876            if let Some(code_lens_actions) = &mut code_lens_actions {
3877                code_lens_actions.retain(|code_lens_action| {
3878                    range
3879                        .start
3880                        .cmp(&code_lens_action.range.start, &snapshot)
3881                        .is_ge()
3882                        && range
3883                            .end
3884                            .cmp(&code_lens_action.range.end, &snapshot)
3885                            .is_le()
3886                });
3887            }
3888            Ok(code_lens_actions)
3889        })
3890    }
3891
3892    pub fn apply_code_action(
3893        &self,
3894        buffer_handle: Entity<Buffer>,
3895        action: CodeAction,
3896        push_to_history: bool,
3897        cx: &mut Context<Self>,
3898    ) -> Task<Result<ProjectTransaction>> {
3899        self.lsp_store.update(cx, |lsp_store, cx| {
3900            lsp_store.apply_code_action(buffer_handle, action, push_to_history, cx)
3901        })
3902    }
3903
3904    pub fn apply_code_action_kind(
3905        &self,
3906        buffers: HashSet<Entity<Buffer>>,
3907        kind: CodeActionKind,
3908        push_to_history: bool,
3909        cx: &mut Context<Self>,
3910    ) -> Task<Result<ProjectTransaction>> {
3911        self.lsp_store.update(cx, |lsp_store, cx| {
3912            lsp_store.apply_code_action_kind(buffers, kind, push_to_history, cx)
3913        })
3914    }
3915
3916    pub fn prepare_rename<T: ToPointUtf16>(
3917        &mut self,
3918        buffer: Entity<Buffer>,
3919        position: T,
3920        cx: &mut Context<Self>,
3921    ) -> Task<Result<PrepareRenameResponse>> {
3922        let position = position.to_point_utf16(buffer.read(cx));
3923        self.request_lsp(
3924            buffer,
3925            LanguageServerToQuery::FirstCapable,
3926            PrepareRename { position },
3927            cx,
3928        )
3929    }
3930
3931    pub fn perform_rename<T: ToPointUtf16>(
3932        &mut self,
3933        buffer: Entity<Buffer>,
3934        position: T,
3935        new_name: String,
3936        cx: &mut Context<Self>,
3937    ) -> Task<Result<ProjectTransaction>> {
3938        let push_to_history = true;
3939        let position = position.to_point_utf16(buffer.read(cx));
3940        self.request_lsp(
3941            buffer,
3942            LanguageServerToQuery::FirstCapable,
3943            PerformRename {
3944                position,
3945                new_name,
3946                push_to_history,
3947            },
3948            cx,
3949        )
3950    }
3951
3952    pub fn on_type_format<T: ToPointUtf16>(
3953        &mut self,
3954        buffer: Entity<Buffer>,
3955        position: T,
3956        trigger: String,
3957        push_to_history: bool,
3958        cx: &mut Context<Self>,
3959    ) -> Task<Result<Option<Transaction>>> {
3960        self.lsp_store.update(cx, |lsp_store, cx| {
3961            lsp_store.on_type_format(buffer, position, trigger, push_to_history, cx)
3962        })
3963    }
3964
3965    pub fn inline_values(
3966        &mut self,
3967        session: Entity<Session>,
3968        active_stack_frame: ActiveStackFrame,
3969        buffer_handle: Entity<Buffer>,
3970        range: Range<text::Anchor>,
3971        cx: &mut Context<Self>,
3972    ) -> Task<anyhow::Result<Vec<InlayHint>>> {
3973        let snapshot = buffer_handle.read(cx).snapshot();
3974
3975        let captures = snapshot.debug_variables_query(Anchor::MIN..range.end);
3976
3977        let row = snapshot
3978            .summary_for_anchor::<text::PointUtf16>(&range.end)
3979            .row as usize;
3980
3981        let inline_value_locations = provide_inline_values(captures, &snapshot, row);
3982
3983        let stack_frame_id = active_stack_frame.stack_frame_id;
3984        cx.spawn(async move |this, cx| {
3985            this.update(cx, |project, cx| {
3986                project.dap_store().update(cx, |dap_store, cx| {
3987                    dap_store.resolve_inline_value_locations(
3988                        session,
3989                        stack_frame_id,
3990                        buffer_handle,
3991                        inline_value_locations,
3992                        cx,
3993                    )
3994                })
3995            })?
3996            .await
3997        })
3998    }
3999
4000    pub fn search(&mut self, query: SearchQuery, cx: &mut Context<Self>) -> Receiver<SearchResult> {
4001        let (result_tx, result_rx) = smol::channel::unbounded();
4002
4003        let matching_buffers_rx = if query.is_opened_only() {
4004            self.sort_search_candidates(&query, cx)
4005        } else {
4006            self.find_search_candidate_buffers(&query, MAX_SEARCH_RESULT_FILES + 1, cx)
4007        };
4008
4009        cx.spawn(async move |_, cx| {
4010            let mut range_count = 0;
4011            let mut buffer_count = 0;
4012            let mut limit_reached = false;
4013            let query = Arc::new(query);
4014            let chunks = matching_buffers_rx.ready_chunks(64);
4015
4016            // Now that we know what paths match the query, we will load at most
4017            // 64 buffers at a time to avoid overwhelming the main thread. For each
4018            // opened buffer, we will spawn a background task that retrieves all the
4019            // ranges in the buffer matched by the query.
4020            let mut chunks = pin!(chunks);
4021            'outer: while let Some(matching_buffer_chunk) = chunks.next().await {
4022                let mut chunk_results = Vec::with_capacity(matching_buffer_chunk.len());
4023                for buffer in matching_buffer_chunk {
4024                    let query = query.clone();
4025                    let snapshot = buffer.read_with(cx, |buffer, _| buffer.snapshot())?;
4026                    chunk_results.push(cx.background_spawn(async move {
4027                        let ranges = query
4028                            .search(&snapshot, None)
4029                            .await
4030                            .iter()
4031                            .map(|range| {
4032                                snapshot.anchor_before(range.start)
4033                                    ..snapshot.anchor_after(range.end)
4034                            })
4035                            .collect::<Vec<_>>();
4036                        anyhow::Ok((buffer, ranges))
4037                    }));
4038                }
4039
4040                let chunk_results = futures::future::join_all(chunk_results).await;
4041                for result in chunk_results {
4042                    if let Some((buffer, ranges)) = result.log_err() {
4043                        range_count += ranges.len();
4044                        buffer_count += 1;
4045                        result_tx
4046                            .send(SearchResult::Buffer { buffer, ranges })
4047                            .await?;
4048                        if buffer_count > MAX_SEARCH_RESULT_FILES
4049                            || range_count > MAX_SEARCH_RESULT_RANGES
4050                        {
4051                            limit_reached = true;
4052                            break 'outer;
4053                        }
4054                    }
4055                }
4056            }
4057
4058            if limit_reached {
4059                result_tx.send(SearchResult::LimitReached).await?;
4060            }
4061
4062            anyhow::Ok(())
4063        })
4064        .detach();
4065
4066        result_rx
4067    }
4068
4069    fn find_search_candidate_buffers(
4070        &mut self,
4071        query: &SearchQuery,
4072        limit: usize,
4073        cx: &mut Context<Project>,
4074    ) -> Receiver<Entity<Buffer>> {
4075        if self.is_local() {
4076            let fs = self.fs.clone();
4077            self.buffer_store.update(cx, |buffer_store, cx| {
4078                buffer_store.find_search_candidates(query, limit, fs, cx)
4079            })
4080        } else {
4081            self.find_search_candidates_remote(query, limit, cx)
4082        }
4083    }
4084
4085    fn sort_search_candidates(
4086        &mut self,
4087        search_query: &SearchQuery,
4088        cx: &mut Context<Project>,
4089    ) -> Receiver<Entity<Buffer>> {
4090        let worktree_store = self.worktree_store.read(cx);
4091        let mut buffers = search_query
4092            .buffers()
4093            .into_iter()
4094            .flatten()
4095            .filter(|buffer| {
4096                let b = buffer.read(cx);
4097                if let Some(file) = b.file() {
4098                    if !search_query.match_path(file.path().as_std_path()) {
4099                        return false;
4100                    }
4101                    if let Some(entry) = b
4102                        .entry_id(cx)
4103                        .and_then(|entry_id| worktree_store.entry_for_id(entry_id, cx))
4104                        && entry.is_ignored
4105                        && !search_query.include_ignored()
4106                    {
4107                        return false;
4108                    }
4109                }
4110                true
4111            })
4112            .collect::<Vec<_>>();
4113        let (tx, rx) = smol::channel::unbounded();
4114        buffers.sort_by(|a, b| match (a.read(cx).file(), b.read(cx).file()) {
4115            (None, None) => a.read(cx).remote_id().cmp(&b.read(cx).remote_id()),
4116            (None, Some(_)) => std::cmp::Ordering::Less,
4117            (Some(_), None) => std::cmp::Ordering::Greater,
4118            (Some(a), Some(b)) => compare_paths(
4119                (a.path().as_std_path(), true),
4120                (b.path().as_std_path(), true),
4121            ),
4122        });
4123        for buffer in buffers {
4124            tx.send_blocking(buffer.clone()).unwrap()
4125        }
4126
4127        rx
4128    }
4129
4130    fn find_search_candidates_remote(
4131        &mut self,
4132        query: &SearchQuery,
4133        limit: usize,
4134        cx: &mut Context<Project>,
4135    ) -> Receiver<Entity<Buffer>> {
4136        let (tx, rx) = smol::channel::unbounded();
4137
4138        let (client, remote_id): (AnyProtoClient, _) = if let Some(ssh_client) = &self.remote_client
4139        {
4140            (ssh_client.read(cx).proto_client(), 0)
4141        } else if let Some(remote_id) = self.remote_id() {
4142            (self.collab_client.clone().into(), remote_id)
4143        } else {
4144            return rx;
4145        };
4146
4147        let request = client.request(proto::FindSearchCandidates {
4148            project_id: remote_id,
4149            query: Some(query.to_proto()),
4150            limit: limit as _,
4151        });
4152        let guard = self.retain_remotely_created_models(cx);
4153
4154        cx.spawn(async move |project, cx| {
4155            let response = request.await?;
4156            for buffer_id in response.buffer_ids {
4157                let buffer_id = BufferId::new(buffer_id)?;
4158                let buffer = project
4159                    .update(cx, |project, cx| {
4160                        project.buffer_store.update(cx, |buffer_store, cx| {
4161                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
4162                        })
4163                    })?
4164                    .await?;
4165                let _ = tx.send(buffer).await;
4166            }
4167
4168            drop(guard);
4169            anyhow::Ok(())
4170        })
4171        .detach_and_log_err(cx);
4172        rx
4173    }
4174
4175    pub fn request_lsp<R: LspCommand>(
4176        &mut self,
4177        buffer_handle: Entity<Buffer>,
4178        server: LanguageServerToQuery,
4179        request: R,
4180        cx: &mut Context<Self>,
4181    ) -> Task<Result<R::Response>>
4182    where
4183        <R::LspRequest as lsp::request::Request>::Result: Send,
4184        <R::LspRequest as lsp::request::Request>::Params: Send,
4185    {
4186        let guard = self.retain_remotely_created_models(cx);
4187        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4188            lsp_store.request_lsp(buffer_handle, server, request, cx)
4189        });
4190        cx.background_spawn(async move {
4191            let result = task.await;
4192            drop(guard);
4193            result
4194        })
4195    }
4196
4197    /// Move a worktree to a new position in the worktree order.
4198    ///
4199    /// The worktree will moved to the opposite side of the destination worktree.
4200    ///
4201    /// # Example
4202    ///
4203    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `33`,
4204    /// worktree_order will be updated to produce the indexes `[11, 33, 22]`.
4205    ///
4206    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `11`,
4207    /// worktree_order will be updated to produce the indexes `[22, 11, 33]`.
4208    ///
4209    /// # Errors
4210    ///
4211    /// An error will be returned if the worktree or destination worktree are not found.
4212    pub fn move_worktree(
4213        &mut self,
4214        source: WorktreeId,
4215        destination: WorktreeId,
4216        cx: &mut Context<Self>,
4217    ) -> Result<()> {
4218        self.worktree_store.update(cx, |worktree_store, cx| {
4219            worktree_store.move_worktree(source, destination, cx)
4220        })
4221    }
4222
4223    pub fn find_or_create_worktree(
4224        &mut self,
4225        abs_path: impl AsRef<Path>,
4226        visible: bool,
4227        cx: &mut Context<Self>,
4228    ) -> Task<Result<(Entity<Worktree>, Arc<RelPath>)>> {
4229        self.worktree_store.update(cx, |worktree_store, cx| {
4230            worktree_store.find_or_create_worktree(abs_path, visible, cx)
4231        })
4232    }
4233
4234    pub fn find_worktree(
4235        &self,
4236        abs_path: &Path,
4237        cx: &App,
4238    ) -> Option<(Entity<Worktree>, Arc<RelPath>)> {
4239        self.worktree_store.read(cx).find_worktree(abs_path, cx)
4240    }
4241
4242    pub fn is_shared(&self) -> bool {
4243        match &self.client_state {
4244            ProjectClientState::Shared { .. } => true,
4245            ProjectClientState::Local => false,
4246            ProjectClientState::Remote { .. } => true,
4247        }
4248    }
4249
4250    /// Returns the resolved version of `path`, that was found in `buffer`, if it exists.
4251    pub fn resolve_path_in_buffer(
4252        &self,
4253        path: &str,
4254        buffer: &Entity<Buffer>,
4255        cx: &mut Context<Self>,
4256    ) -> Task<Option<ResolvedPath>> {
4257        if util::paths::is_absolute(path, self.path_style(cx)) || path.starts_with("~") {
4258            self.resolve_abs_path(path, cx)
4259        } else {
4260            self.resolve_path_in_worktrees(path, buffer, cx)
4261        }
4262    }
4263
4264    pub fn resolve_abs_file_path(
4265        &self,
4266        path: &str,
4267        cx: &mut Context<Self>,
4268    ) -> Task<Option<ResolvedPath>> {
4269        let resolve_task = self.resolve_abs_path(path, cx);
4270        cx.background_spawn(async move {
4271            let resolved_path = resolve_task.await;
4272            resolved_path.filter(|path| path.is_file())
4273        })
4274    }
4275
4276    pub fn resolve_abs_path(&self, path: &str, cx: &App) -> Task<Option<ResolvedPath>> {
4277        if self.is_local() {
4278            let expanded = PathBuf::from(shellexpand::tilde(&path).into_owned());
4279            let fs = self.fs.clone();
4280            cx.background_spawn(async move {
4281                let metadata = fs.metadata(&expanded).await.ok().flatten();
4282
4283                metadata.map(|metadata| ResolvedPath::AbsPath {
4284                    path: expanded.to_string_lossy().into_owned(),
4285                    is_dir: metadata.is_dir,
4286                })
4287            })
4288        } else if let Some(ssh_client) = self.remote_client.as_ref() {
4289            let request = ssh_client
4290                .read(cx)
4291                .proto_client()
4292                .request(proto::GetPathMetadata {
4293                    project_id: REMOTE_SERVER_PROJECT_ID,
4294                    path: path.into(),
4295                });
4296            cx.background_spawn(async move {
4297                let response = request.await.log_err()?;
4298                if response.exists {
4299                    Some(ResolvedPath::AbsPath {
4300                        path: response.path,
4301                        is_dir: response.is_dir,
4302                    })
4303                } else {
4304                    None
4305                }
4306            })
4307        } else {
4308            Task::ready(None)
4309        }
4310    }
4311
4312    fn resolve_path_in_worktrees(
4313        &self,
4314        path: &str,
4315        buffer: &Entity<Buffer>,
4316        cx: &mut Context<Self>,
4317    ) -> Task<Option<ResolvedPath>> {
4318        let mut candidates = vec![];
4319        let path_style = self.path_style(cx);
4320        if let Ok(path) = RelPath::new(path.as_ref(), path_style) {
4321            candidates.push(path.into_arc());
4322        }
4323
4324        if let Some(file) = buffer.read(cx).file()
4325            && let Some(dir) = file.path().parent()
4326        {
4327            if let Some(joined) = path_style.join(&*dir.display(path_style), path)
4328                && let Some(joined) = RelPath::new(joined.as_ref(), path_style).ok()
4329            {
4330                candidates.push(joined.into_arc());
4331            }
4332        }
4333
4334        let buffer_worktree_id = buffer.read(cx).file().map(|file| file.worktree_id(cx));
4335        let worktrees_with_ids: Vec<_> = self
4336            .worktrees(cx)
4337            .map(|worktree| {
4338                let id = worktree.read(cx).id();
4339                (worktree, id)
4340            })
4341            .collect();
4342
4343        cx.spawn(async move |_, cx| {
4344            if let Some(buffer_worktree_id) = buffer_worktree_id
4345                && let Some((worktree, _)) = worktrees_with_ids
4346                    .iter()
4347                    .find(|(_, id)| *id == buffer_worktree_id)
4348            {
4349                for candidate in candidates.iter() {
4350                    if let Some(path) = Self::resolve_path_in_worktree(worktree, candidate, cx) {
4351                        return Some(path);
4352                    }
4353                }
4354            }
4355            for (worktree, id) in worktrees_with_ids {
4356                if Some(id) == buffer_worktree_id {
4357                    continue;
4358                }
4359                for candidate in candidates.iter() {
4360                    if let Some(path) = Self::resolve_path_in_worktree(&worktree, candidate, cx) {
4361                        return Some(path);
4362                    }
4363                }
4364            }
4365            None
4366        })
4367    }
4368
4369    fn resolve_path_in_worktree(
4370        worktree: &Entity<Worktree>,
4371        path: &RelPath,
4372        cx: &mut AsyncApp,
4373    ) -> Option<ResolvedPath> {
4374        worktree
4375            .read_with(cx, |worktree, _| {
4376                worktree.entry_for_path(path).map(|entry| {
4377                    let project_path = ProjectPath {
4378                        worktree_id: worktree.id(),
4379                        path: entry.path.clone(),
4380                    };
4381                    ResolvedPath::ProjectPath {
4382                        project_path,
4383                        is_dir: entry.is_dir(),
4384                    }
4385                })
4386            })
4387            .ok()?
4388    }
4389
4390    pub fn list_directory(
4391        &self,
4392        query: String,
4393        cx: &mut Context<Self>,
4394    ) -> Task<Result<Vec<DirectoryItem>>> {
4395        if self.is_local() {
4396            DirectoryLister::Local(cx.entity(), self.fs.clone()).list_directory(query, cx)
4397        } else if let Some(session) = self.remote_client.as_ref() {
4398            let request = proto::ListRemoteDirectory {
4399                dev_server_id: REMOTE_SERVER_PROJECT_ID,
4400                path: query,
4401                config: Some(proto::ListRemoteDirectoryConfig { is_dir: true }),
4402            };
4403
4404            let response = session.read(cx).proto_client().request(request);
4405            cx.background_spawn(async move {
4406                let proto::ListRemoteDirectoryResponse {
4407                    entries,
4408                    entry_info,
4409                } = response.await?;
4410                Ok(entries
4411                    .into_iter()
4412                    .zip(entry_info)
4413                    .map(|(entry, info)| DirectoryItem {
4414                        path: PathBuf::from(entry),
4415                        is_dir: info.is_dir,
4416                    })
4417                    .collect())
4418            })
4419        } else {
4420            Task::ready(Err(anyhow!("cannot list directory in remote project")))
4421        }
4422    }
4423
4424    pub fn create_worktree(
4425        &mut self,
4426        abs_path: impl AsRef<Path>,
4427        visible: bool,
4428        cx: &mut Context<Self>,
4429    ) -> Task<Result<Entity<Worktree>>> {
4430        self.worktree_store.update(cx, |worktree_store, cx| {
4431            worktree_store.create_worktree(abs_path, visible, cx)
4432        })
4433    }
4434
4435    pub fn remove_worktree(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
4436        self.worktree_store.update(cx, |worktree_store, cx| {
4437            worktree_store.remove_worktree(id_to_remove, cx);
4438        });
4439    }
4440
4441    fn add_worktree(&mut self, worktree: &Entity<Worktree>, cx: &mut Context<Self>) {
4442        self.worktree_store.update(cx, |worktree_store, cx| {
4443            worktree_store.add(worktree, cx);
4444        });
4445    }
4446
4447    pub fn set_active_path(&mut self, entry: Option<ProjectPath>, cx: &mut Context<Self>) {
4448        let new_active_entry = entry.and_then(|project_path| {
4449            let worktree = self.worktree_for_id(project_path.worktree_id, cx)?;
4450            let entry = worktree.read(cx).entry_for_path(&project_path.path)?;
4451            Some(entry.id)
4452        });
4453        if new_active_entry != self.active_entry {
4454            self.active_entry = new_active_entry;
4455            self.lsp_store.update(cx, |lsp_store, _| {
4456                lsp_store.set_active_entry(new_active_entry);
4457            });
4458            cx.emit(Event::ActiveEntryChanged(new_active_entry));
4459        }
4460    }
4461
4462    pub fn language_servers_running_disk_based_diagnostics<'a>(
4463        &'a self,
4464        cx: &'a App,
4465    ) -> impl Iterator<Item = LanguageServerId> + 'a {
4466        self.lsp_store
4467            .read(cx)
4468            .language_servers_running_disk_based_diagnostics()
4469    }
4470
4471    pub fn diagnostic_summary(&self, include_ignored: bool, cx: &App) -> DiagnosticSummary {
4472        self.lsp_store
4473            .read(cx)
4474            .diagnostic_summary(include_ignored, cx)
4475    }
4476
4477    /// Returns a summary of the diagnostics for the provided project path only.
4478    pub fn diagnostic_summary_for_path(&self, path: &ProjectPath, cx: &App) -> DiagnosticSummary {
4479        self.lsp_store
4480            .read(cx)
4481            .diagnostic_summary_for_path(path, cx)
4482    }
4483
4484    pub fn diagnostic_summaries<'a>(
4485        &'a self,
4486        include_ignored: bool,
4487        cx: &'a App,
4488    ) -> impl Iterator<Item = (ProjectPath, LanguageServerId, DiagnosticSummary)> + 'a {
4489        self.lsp_store
4490            .read(cx)
4491            .diagnostic_summaries(include_ignored, cx)
4492    }
4493
4494    pub fn active_entry(&self) -> Option<ProjectEntryId> {
4495        self.active_entry
4496    }
4497
4498    pub fn entry_for_path<'a>(&'a self, path: &ProjectPath, cx: &'a App) -> Option<&'a Entry> {
4499        self.worktree_store.read(cx).entry_for_path(path, cx)
4500    }
4501
4502    pub fn path_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<ProjectPath> {
4503        let worktree = self.worktree_for_entry(entry_id, cx)?;
4504        let worktree = worktree.read(cx);
4505        let worktree_id = worktree.id();
4506        let path = worktree.entry_for_id(entry_id)?.path.clone();
4507        Some(ProjectPath { worktree_id, path })
4508    }
4509
4510    pub fn absolute_path(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4511        Some(
4512            self.worktree_for_id(project_path.worktree_id, cx)?
4513                .read(cx)
4514                .absolutize(&project_path.path),
4515        )
4516    }
4517
4518    /// Attempts to find a `ProjectPath` corresponding to the given path. If the path
4519    /// is a *full path*, meaning it starts with the root name of a worktree, we'll locate
4520    /// it in that worktree. Otherwise, we'll attempt to find it as a relative path in
4521    /// the first visible worktree that has an entry for that relative path.
4522    ///
4523    /// We use this to resolve edit steps, when there's a chance an LLM may omit the workree
4524    /// root name from paths.
4525    ///
4526    /// # Arguments
4527    ///
4528    /// * `path` - An absolute path, or a full path that starts with a worktree root name, or a
4529    ///   relative path within a visible worktree.
4530    /// * `cx` - A reference to the `AppContext`.
4531    ///
4532    /// # Returns
4533    ///
4534    /// Returns `Some(ProjectPath)` if a matching worktree is found, otherwise `None`.
4535    pub fn find_project_path(&self, path: impl AsRef<Path>, cx: &App) -> Option<ProjectPath> {
4536        let path_style = self.path_style(cx);
4537        let path = path.as_ref();
4538        let worktree_store = self.worktree_store.read(cx);
4539
4540        if is_absolute(&path.to_string_lossy(), path_style) {
4541            for worktree in worktree_store.visible_worktrees(cx) {
4542                let worktree_abs_path = worktree.read(cx).abs_path();
4543
4544                if let Ok(relative_path) = path.strip_prefix(worktree_abs_path)
4545                    && let Ok(path) = RelPath::new(relative_path, path_style)
4546                {
4547                    return Some(ProjectPath {
4548                        worktree_id: worktree.read(cx).id(),
4549                        path: path.into_arc(),
4550                    });
4551                }
4552            }
4553        } else {
4554            for worktree in worktree_store.visible_worktrees(cx) {
4555                let worktree_root_name = worktree.read(cx).root_name();
4556                if let Ok(relative_path) = path.strip_prefix(worktree_root_name.as_std_path())
4557                    && let Ok(path) = RelPath::new(relative_path, path_style)
4558                {
4559                    return Some(ProjectPath {
4560                        worktree_id: worktree.read(cx).id(),
4561                        path: path.into_arc(),
4562                    });
4563                }
4564            }
4565
4566            for worktree in worktree_store.visible_worktrees(cx) {
4567                let worktree = worktree.read(cx);
4568                if let Ok(path) = RelPath::new(path, path_style)
4569                    && let Some(entry) = worktree.entry_for_path(&path)
4570                {
4571                    return Some(ProjectPath {
4572                        worktree_id: worktree.id(),
4573                        path: entry.path.clone(),
4574                    });
4575                }
4576            }
4577        }
4578
4579        None
4580    }
4581
4582    /// If there's only one visible worktree, returns the given worktree-relative path with no prefix.
4583    ///
4584    /// Otherwise, returns the full path for the project path (obtained by prefixing the worktree-relative path with the name of the worktree).
4585    pub fn short_full_path_for_project_path(
4586        &self,
4587        project_path: &ProjectPath,
4588        cx: &App,
4589    ) -> Option<String> {
4590        let path_style = self.path_style(cx);
4591        if self.visible_worktrees(cx).take(2).count() < 2 {
4592            return Some(project_path.path.display(path_style).to_string());
4593        }
4594        self.worktree_for_id(project_path.worktree_id, cx)
4595            .map(|worktree| {
4596                let worktree_name = worktree.read(cx).root_name();
4597                worktree_name
4598                    .join(&project_path.path)
4599                    .display(path_style)
4600                    .to_string()
4601            })
4602    }
4603
4604    pub fn project_path_for_absolute_path(&self, abs_path: &Path, cx: &App) -> Option<ProjectPath> {
4605        self.find_worktree(abs_path, cx)
4606            .map(|(worktree, relative_path)| ProjectPath {
4607                worktree_id: worktree.read(cx).id(),
4608                path: relative_path,
4609            })
4610    }
4611
4612    pub fn get_workspace_root(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4613        Some(
4614            self.worktree_for_id(project_path.worktree_id, cx)?
4615                .read(cx)
4616                .abs_path()
4617                .to_path_buf(),
4618        )
4619    }
4620
4621    pub fn blame_buffer(
4622        &self,
4623        buffer: &Entity<Buffer>,
4624        version: Option<clock::Global>,
4625        cx: &mut App,
4626    ) -> Task<Result<Option<Blame>>> {
4627        self.git_store.update(cx, |git_store, cx| {
4628            git_store.blame_buffer(buffer, version, cx)
4629        })
4630    }
4631
4632    pub fn get_permalink_to_line(
4633        &self,
4634        buffer: &Entity<Buffer>,
4635        selection: Range<u32>,
4636        cx: &mut App,
4637    ) -> Task<Result<url::Url>> {
4638        self.git_store.update(cx, |git_store, cx| {
4639            git_store.get_permalink_to_line(buffer, selection, cx)
4640        })
4641    }
4642
4643    // RPC message handlers
4644
4645    async fn handle_unshare_project(
4646        this: Entity<Self>,
4647        _: TypedEnvelope<proto::UnshareProject>,
4648        mut cx: AsyncApp,
4649    ) -> Result<()> {
4650        this.update(&mut cx, |this, cx| {
4651            if this.is_local() || this.is_via_remote_server() {
4652                this.unshare(cx)?;
4653            } else {
4654                this.disconnected_from_host(cx);
4655            }
4656            Ok(())
4657        })?
4658    }
4659
4660    async fn handle_add_collaborator(
4661        this: Entity<Self>,
4662        mut envelope: TypedEnvelope<proto::AddProjectCollaborator>,
4663        mut cx: AsyncApp,
4664    ) -> Result<()> {
4665        let collaborator = envelope
4666            .payload
4667            .collaborator
4668            .take()
4669            .context("empty collaborator")?;
4670
4671        let collaborator = Collaborator::from_proto(collaborator)?;
4672        this.update(&mut cx, |this, cx| {
4673            this.buffer_store.update(cx, |buffer_store, _| {
4674                buffer_store.forget_shared_buffers_for(&collaborator.peer_id);
4675            });
4676            this.breakpoint_store.read(cx).broadcast();
4677            cx.emit(Event::CollaboratorJoined(collaborator.peer_id));
4678            this.collaborators
4679                .insert(collaborator.peer_id, collaborator);
4680        })?;
4681
4682        Ok(())
4683    }
4684
4685    async fn handle_update_project_collaborator(
4686        this: Entity<Self>,
4687        envelope: TypedEnvelope<proto::UpdateProjectCollaborator>,
4688        mut cx: AsyncApp,
4689    ) -> Result<()> {
4690        let old_peer_id = envelope
4691            .payload
4692            .old_peer_id
4693            .context("missing old peer id")?;
4694        let new_peer_id = envelope
4695            .payload
4696            .new_peer_id
4697            .context("missing new peer id")?;
4698        this.update(&mut cx, |this, cx| {
4699            let collaborator = this
4700                .collaborators
4701                .remove(&old_peer_id)
4702                .context("received UpdateProjectCollaborator for unknown peer")?;
4703            let is_host = collaborator.is_host;
4704            this.collaborators.insert(new_peer_id, collaborator);
4705
4706            log::info!("peer {} became {}", old_peer_id, new_peer_id,);
4707            this.buffer_store.update(cx, |buffer_store, _| {
4708                buffer_store.update_peer_id(&old_peer_id, new_peer_id)
4709            });
4710
4711            if is_host {
4712                this.buffer_store
4713                    .update(cx, |buffer_store, _| buffer_store.discard_incomplete());
4714                this.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
4715                    .unwrap();
4716                cx.emit(Event::HostReshared);
4717            }
4718
4719            cx.emit(Event::CollaboratorUpdated {
4720                old_peer_id,
4721                new_peer_id,
4722            });
4723            Ok(())
4724        })?
4725    }
4726
4727    async fn handle_remove_collaborator(
4728        this: Entity<Self>,
4729        envelope: TypedEnvelope<proto::RemoveProjectCollaborator>,
4730        mut cx: AsyncApp,
4731    ) -> Result<()> {
4732        this.update(&mut cx, |this, cx| {
4733            let peer_id = envelope.payload.peer_id.context("invalid peer id")?;
4734            let replica_id = this
4735                .collaborators
4736                .remove(&peer_id)
4737                .with_context(|| format!("unknown peer {peer_id:?}"))?
4738                .replica_id;
4739            this.buffer_store.update(cx, |buffer_store, cx| {
4740                buffer_store.forget_shared_buffers_for(&peer_id);
4741                for buffer in buffer_store.buffers() {
4742                    buffer.update(cx, |buffer, cx| buffer.remove_peer(replica_id, cx));
4743                }
4744            });
4745            this.git_store.update(cx, |git_store, _| {
4746                git_store.forget_shared_diffs_for(&peer_id);
4747            });
4748
4749            cx.emit(Event::CollaboratorLeft(peer_id));
4750            Ok(())
4751        })?
4752    }
4753
4754    async fn handle_update_project(
4755        this: Entity<Self>,
4756        envelope: TypedEnvelope<proto::UpdateProject>,
4757        mut cx: AsyncApp,
4758    ) -> Result<()> {
4759        this.update(&mut cx, |this, cx| {
4760            // Don't handle messages that were sent before the response to us joining the project
4761            if envelope.message_id > this.join_project_response_message_id {
4762                this.set_worktrees_from_proto(envelope.payload.worktrees, cx)?;
4763            }
4764            Ok(())
4765        })?
4766    }
4767
4768    async fn handle_toast(
4769        this: Entity<Self>,
4770        envelope: TypedEnvelope<proto::Toast>,
4771        mut cx: AsyncApp,
4772    ) -> Result<()> {
4773        this.update(&mut cx, |_, cx| {
4774            cx.emit(Event::Toast {
4775                notification_id: envelope.payload.notification_id.into(),
4776                message: envelope.payload.message,
4777            });
4778            Ok(())
4779        })?
4780    }
4781
4782    async fn handle_language_server_prompt_request(
4783        this: Entity<Self>,
4784        envelope: TypedEnvelope<proto::LanguageServerPromptRequest>,
4785        mut cx: AsyncApp,
4786    ) -> Result<proto::LanguageServerPromptResponse> {
4787        let (tx, rx) = smol::channel::bounded(1);
4788        let actions: Vec<_> = envelope
4789            .payload
4790            .actions
4791            .into_iter()
4792            .map(|action| MessageActionItem {
4793                title: action,
4794                properties: Default::default(),
4795            })
4796            .collect();
4797        this.update(&mut cx, |_, cx| {
4798            cx.emit(Event::LanguageServerPrompt(LanguageServerPromptRequest {
4799                level: proto_to_prompt(envelope.payload.level.context("Invalid prompt level")?),
4800                message: envelope.payload.message,
4801                actions: actions.clone(),
4802                lsp_name: envelope.payload.lsp_name,
4803                response_channel: tx,
4804            }));
4805
4806            anyhow::Ok(())
4807        })??;
4808
4809        // We drop `this` to avoid holding a reference in this future for too
4810        // long.
4811        // If we keep the reference, we might not drop the `Project` early
4812        // enough when closing a window and it will only get releases on the
4813        // next `flush_effects()` call.
4814        drop(this);
4815
4816        let mut rx = pin!(rx);
4817        let answer = rx.next().await;
4818
4819        Ok(LanguageServerPromptResponse {
4820            action_response: answer.and_then(|answer| {
4821                actions
4822                    .iter()
4823                    .position(|action| *action == answer)
4824                    .map(|index| index as u64)
4825            }),
4826        })
4827    }
4828
4829    async fn handle_hide_toast(
4830        this: Entity<Self>,
4831        envelope: TypedEnvelope<proto::HideToast>,
4832        mut cx: AsyncApp,
4833    ) -> Result<()> {
4834        this.update(&mut cx, |_, cx| {
4835            cx.emit(Event::HideToast {
4836                notification_id: envelope.payload.notification_id.into(),
4837            });
4838            Ok(())
4839        })?
4840    }
4841
4842    // Collab sends UpdateWorktree protos as messages
4843    async fn handle_update_worktree(
4844        this: Entity<Self>,
4845        envelope: TypedEnvelope<proto::UpdateWorktree>,
4846        mut cx: AsyncApp,
4847    ) -> Result<()> {
4848        this.update(&mut cx, |this, cx| {
4849            let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
4850            if let Some(worktree) = this.worktree_for_id(worktree_id, cx) {
4851                worktree.update(cx, |worktree, _| {
4852                    let worktree = worktree.as_remote_mut().unwrap();
4853                    worktree.update_from_remote(envelope.payload);
4854                });
4855            }
4856            Ok(())
4857        })?
4858    }
4859
4860    async fn handle_update_buffer_from_remote_server(
4861        this: Entity<Self>,
4862        envelope: TypedEnvelope<proto::UpdateBuffer>,
4863        cx: AsyncApp,
4864    ) -> Result<proto::Ack> {
4865        let buffer_store = this.read_with(&cx, |this, cx| {
4866            if let Some(remote_id) = this.remote_id() {
4867                let mut payload = envelope.payload.clone();
4868                payload.project_id = remote_id;
4869                cx.background_spawn(this.collab_client.request(payload))
4870                    .detach_and_log_err(cx);
4871            }
4872            this.buffer_store.clone()
4873        })?;
4874        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
4875    }
4876
4877    async fn handle_update_buffer(
4878        this: Entity<Self>,
4879        envelope: TypedEnvelope<proto::UpdateBuffer>,
4880        cx: AsyncApp,
4881    ) -> Result<proto::Ack> {
4882        let buffer_store = this.read_with(&cx, |this, cx| {
4883            if let Some(ssh) = &this.remote_client {
4884                let mut payload = envelope.payload.clone();
4885                payload.project_id = REMOTE_SERVER_PROJECT_ID;
4886                cx.background_spawn(ssh.read(cx).proto_client().request(payload))
4887                    .detach_and_log_err(cx);
4888            }
4889            this.buffer_store.clone()
4890        })?;
4891        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
4892    }
4893
4894    fn retain_remotely_created_models(
4895        &mut self,
4896        cx: &mut Context<Self>,
4897    ) -> RemotelyCreatedModelGuard {
4898        {
4899            let mut remotely_create_models = self.remotely_created_models.lock();
4900            if remotely_create_models.retain_count == 0 {
4901                remotely_create_models.buffers = self.buffer_store.read(cx).buffers().collect();
4902                remotely_create_models.worktrees =
4903                    self.worktree_store.read(cx).worktrees().collect();
4904            }
4905            remotely_create_models.retain_count += 1;
4906        }
4907        RemotelyCreatedModelGuard {
4908            remote_models: Arc::downgrade(&self.remotely_created_models),
4909        }
4910    }
4911
4912    async fn handle_create_buffer_for_peer(
4913        this: Entity<Self>,
4914        envelope: TypedEnvelope<proto::CreateBufferForPeer>,
4915        mut cx: AsyncApp,
4916    ) -> Result<()> {
4917        this.update(&mut cx, |this, cx| {
4918            this.buffer_store.update(cx, |buffer_store, cx| {
4919                buffer_store.handle_create_buffer_for_peer(
4920                    envelope,
4921                    this.replica_id(),
4922                    this.capability(),
4923                    cx,
4924                )
4925            })
4926        })?
4927    }
4928
4929    async fn handle_toggle_lsp_logs(
4930        project: Entity<Self>,
4931        envelope: TypedEnvelope<proto::ToggleLspLogs>,
4932        mut cx: AsyncApp,
4933    ) -> Result<()> {
4934        let toggled_log_kind =
4935            match proto::toggle_lsp_logs::LogType::from_i32(envelope.payload.log_type)
4936                .context("invalid log type")?
4937            {
4938                proto::toggle_lsp_logs::LogType::Log => LogKind::Logs,
4939                proto::toggle_lsp_logs::LogType::Trace => LogKind::Trace,
4940                proto::toggle_lsp_logs::LogType::Rpc => LogKind::Rpc,
4941            };
4942        project.update(&mut cx, |_, cx| {
4943            cx.emit(Event::ToggleLspLogs {
4944                server_id: LanguageServerId::from_proto(envelope.payload.server_id),
4945                enabled: envelope.payload.enabled,
4946                toggled_log_kind,
4947            })
4948        })?;
4949        Ok(())
4950    }
4951
4952    async fn handle_synchronize_buffers(
4953        this: Entity<Self>,
4954        envelope: TypedEnvelope<proto::SynchronizeBuffers>,
4955        mut cx: AsyncApp,
4956    ) -> Result<proto::SynchronizeBuffersResponse> {
4957        let response = this.update(&mut cx, |this, cx| {
4958            let client = this.collab_client.clone();
4959            this.buffer_store.update(cx, |this, cx| {
4960                this.handle_synchronize_buffers(envelope, cx, client)
4961            })
4962        })??;
4963
4964        Ok(response)
4965    }
4966
4967    async fn handle_search_candidate_buffers(
4968        this: Entity<Self>,
4969        envelope: TypedEnvelope<proto::FindSearchCandidates>,
4970        mut cx: AsyncApp,
4971    ) -> Result<proto::FindSearchCandidatesResponse> {
4972        let peer_id = envelope.original_sender_id()?;
4973        let message = envelope.payload;
4974        let path_style = this.read_with(&cx, |this, cx| this.path_style(cx))?;
4975        let query =
4976            SearchQuery::from_proto(message.query.context("missing query field")?, path_style)?;
4977        let results = this.update(&mut cx, |this, cx| {
4978            this.find_search_candidate_buffers(&query, message.limit as _, cx)
4979        })?;
4980
4981        let mut response = proto::FindSearchCandidatesResponse {
4982            buffer_ids: Vec::new(),
4983        };
4984
4985        while let Ok(buffer) = results.recv().await {
4986            this.update(&mut cx, |this, cx| {
4987                let buffer_id = this.create_buffer_for_peer(&buffer, peer_id, cx);
4988                response.buffer_ids.push(buffer_id.to_proto());
4989            })?;
4990        }
4991
4992        Ok(response)
4993    }
4994
4995    async fn handle_open_buffer_by_id(
4996        this: Entity<Self>,
4997        envelope: TypedEnvelope<proto::OpenBufferById>,
4998        mut cx: AsyncApp,
4999    ) -> Result<proto::OpenBufferResponse> {
5000        let peer_id = envelope.original_sender_id()?;
5001        let buffer_id = BufferId::new(envelope.payload.id)?;
5002        let buffer = this
5003            .update(&mut cx, |this, cx| this.open_buffer_by_id(buffer_id, cx))?
5004            .await?;
5005        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
5006    }
5007
5008    async fn handle_open_buffer_by_path(
5009        this: Entity<Self>,
5010        envelope: TypedEnvelope<proto::OpenBufferByPath>,
5011        mut cx: AsyncApp,
5012    ) -> Result<proto::OpenBufferResponse> {
5013        let peer_id = envelope.original_sender_id()?;
5014        let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
5015        let path = RelPath::from_proto(&envelope.payload.path)?;
5016        let open_buffer = this
5017            .update(&mut cx, |this, cx| {
5018                this.open_buffer(ProjectPath { worktree_id, path }, cx)
5019            })?
5020            .await?;
5021        Project::respond_to_open_buffer_request(this, open_buffer, peer_id, &mut cx)
5022    }
5023
5024    async fn handle_open_new_buffer(
5025        this: Entity<Self>,
5026        envelope: TypedEnvelope<proto::OpenNewBuffer>,
5027        mut cx: AsyncApp,
5028    ) -> Result<proto::OpenBufferResponse> {
5029        let buffer = this
5030            .update(&mut cx, |this, cx| this.create_buffer(true, cx))?
5031            .await?;
5032        let peer_id = envelope.original_sender_id()?;
5033
5034        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
5035    }
5036
5037    fn respond_to_open_buffer_request(
5038        this: Entity<Self>,
5039        buffer: Entity<Buffer>,
5040        peer_id: proto::PeerId,
5041        cx: &mut AsyncApp,
5042    ) -> Result<proto::OpenBufferResponse> {
5043        this.update(cx, |this, cx| {
5044            let is_private = buffer
5045                .read(cx)
5046                .file()
5047                .map(|f| f.is_private())
5048                .unwrap_or_default();
5049            anyhow::ensure!(!is_private, ErrorCode::UnsharedItem);
5050            Ok(proto::OpenBufferResponse {
5051                buffer_id: this.create_buffer_for_peer(&buffer, peer_id, cx).into(),
5052            })
5053        })?
5054    }
5055
5056    fn create_buffer_for_peer(
5057        &mut self,
5058        buffer: &Entity<Buffer>,
5059        peer_id: proto::PeerId,
5060        cx: &mut App,
5061    ) -> BufferId {
5062        self.buffer_store
5063            .update(cx, |buffer_store, cx| {
5064                buffer_store.create_buffer_for_peer(buffer, peer_id, cx)
5065            })
5066            .detach_and_log_err(cx);
5067        buffer.read(cx).remote_id()
5068    }
5069
5070    fn synchronize_remote_buffers(&mut self, cx: &mut Context<Self>) -> Task<Result<()>> {
5071        let project_id = match self.client_state {
5072            ProjectClientState::Remote {
5073                sharing_has_stopped,
5074                remote_id,
5075                ..
5076            } => {
5077                if sharing_has_stopped {
5078                    return Task::ready(Err(anyhow!(
5079                        "can't synchronize remote buffers on a readonly project"
5080                    )));
5081                } else {
5082                    remote_id
5083                }
5084            }
5085            ProjectClientState::Shared { .. } | ProjectClientState::Local => {
5086                return Task::ready(Err(anyhow!(
5087                    "can't synchronize remote buffers on a local project"
5088                )));
5089            }
5090        };
5091
5092        let client = self.collab_client.clone();
5093        cx.spawn(async move |this, cx| {
5094            let (buffers, incomplete_buffer_ids) = this.update(cx, |this, cx| {
5095                this.buffer_store.read(cx).buffer_version_info(cx)
5096            })?;
5097            let response = client
5098                .request(proto::SynchronizeBuffers {
5099                    project_id,
5100                    buffers,
5101                })
5102                .await?;
5103
5104            let send_updates_for_buffers = this.update(cx, |this, cx| {
5105                response
5106                    .buffers
5107                    .into_iter()
5108                    .map(|buffer| {
5109                        let client = client.clone();
5110                        let buffer_id = match BufferId::new(buffer.id) {
5111                            Ok(id) => id,
5112                            Err(e) => {
5113                                return Task::ready(Err(e));
5114                            }
5115                        };
5116                        let remote_version = language::proto::deserialize_version(&buffer.version);
5117                        if let Some(buffer) = this.buffer_for_id(buffer_id, cx) {
5118                            let operations =
5119                                buffer.read(cx).serialize_ops(Some(remote_version), cx);
5120                            cx.background_spawn(async move {
5121                                let operations = operations.await;
5122                                for chunk in split_operations(operations) {
5123                                    client
5124                                        .request(proto::UpdateBuffer {
5125                                            project_id,
5126                                            buffer_id: buffer_id.into(),
5127                                            operations: chunk,
5128                                        })
5129                                        .await?;
5130                                }
5131                                anyhow::Ok(())
5132                            })
5133                        } else {
5134                            Task::ready(Ok(()))
5135                        }
5136                    })
5137                    .collect::<Vec<_>>()
5138            })?;
5139
5140            // Any incomplete buffers have open requests waiting. Request that the host sends
5141            // creates these buffers for us again to unblock any waiting futures.
5142            for id in incomplete_buffer_ids {
5143                cx.background_spawn(client.request(proto::OpenBufferById {
5144                    project_id,
5145                    id: id.into(),
5146                }))
5147                .detach();
5148            }
5149
5150            futures::future::join_all(send_updates_for_buffers)
5151                .await
5152                .into_iter()
5153                .collect()
5154        })
5155    }
5156
5157    pub fn worktree_metadata_protos(&self, cx: &App) -> Vec<proto::WorktreeMetadata> {
5158        self.worktree_store.read(cx).worktree_metadata_protos(cx)
5159    }
5160
5161    /// Iterator of all open buffers that have unsaved changes
5162    pub fn dirty_buffers<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = ProjectPath> + 'a {
5163        self.buffer_store.read(cx).buffers().filter_map(|buf| {
5164            let buf = buf.read(cx);
5165            if buf.is_dirty() {
5166                buf.project_path(cx)
5167            } else {
5168                None
5169            }
5170        })
5171    }
5172
5173    async fn handle_load_binary_file(
5174        this: Entity<Self>,
5175        envelope: TypedEnvelope<proto::LoadBinaryFile>,
5176        mut cx: AsyncApp,
5177    ) -> Result<proto::BinaryFileResponse> {
5178        // let peer_id = envelope.original_sender_id()?;
5179        // let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
5180        // let path = RelPath::from_proto(&envelope.payload.path)?;
5181        // let open_buffer = this
5182        //     .update(&mut cx, |this, cx| {
5183        //         this.open_buffer(ProjectPath { worktree_id, path }, cx)
5184        //     })?
5185        //     .await?;
5186        // Project::respond_to_open_buffer_request(this, open_buffer, peer_id, &mut cx)
5187    }
5188
5189    fn set_worktrees_from_proto(
5190        &mut self,
5191        worktrees: Vec<proto::WorktreeMetadata>,
5192        cx: &mut Context<Project>,
5193    ) -> Result<()> {
5194        self.worktree_store.update(cx, |worktree_store, cx| {
5195            worktree_store.set_worktrees_from_proto(worktrees, self.replica_id(), cx)
5196        })
5197    }
5198
5199    fn set_collaborators_from_proto(
5200        &mut self,
5201        messages: Vec<proto::Collaborator>,
5202        cx: &mut Context<Self>,
5203    ) -> Result<()> {
5204        let mut collaborators = HashMap::default();
5205        for message in messages {
5206            let collaborator = Collaborator::from_proto(message)?;
5207            collaborators.insert(collaborator.peer_id, collaborator);
5208        }
5209        for old_peer_id in self.collaborators.keys() {
5210            if !collaborators.contains_key(old_peer_id) {
5211                cx.emit(Event::CollaboratorLeft(*old_peer_id));
5212            }
5213        }
5214        self.collaborators = collaborators;
5215        Ok(())
5216    }
5217
5218    pub fn supplementary_language_servers<'a>(
5219        &'a self,
5220        cx: &'a App,
5221    ) -> impl 'a + Iterator<Item = (LanguageServerId, LanguageServerName)> {
5222        self.lsp_store.read(cx).supplementary_language_servers()
5223    }
5224
5225    pub fn any_language_server_supports_inlay_hints(&self, buffer: &Buffer, cx: &mut App) -> bool {
5226        let Some(language) = buffer.language().cloned() else {
5227            return false;
5228        };
5229        self.lsp_store.update(cx, |lsp_store, _| {
5230            let relevant_language_servers = lsp_store
5231                .languages
5232                .lsp_adapters(&language.name())
5233                .into_iter()
5234                .map(|lsp_adapter| lsp_adapter.name())
5235                .collect::<HashSet<_>>();
5236            lsp_store
5237                .language_server_statuses()
5238                .filter_map(|(server_id, server_status)| {
5239                    relevant_language_servers
5240                        .contains(&server_status.name)
5241                        .then_some(server_id)
5242                })
5243                .filter_map(|server_id| lsp_store.lsp_server_capabilities.get(&server_id))
5244                .any(InlayHints::check_capabilities)
5245        })
5246    }
5247
5248    pub fn language_server_id_for_name(
5249        &self,
5250        buffer: &Buffer,
5251        name: &LanguageServerName,
5252        cx: &App,
5253    ) -> Option<LanguageServerId> {
5254        let language = buffer.language()?;
5255        let relevant_language_servers = self
5256            .languages
5257            .lsp_adapters(&language.name())
5258            .into_iter()
5259            .map(|lsp_adapter| lsp_adapter.name())
5260            .collect::<HashSet<_>>();
5261        if !relevant_language_servers.contains(name) {
5262            return None;
5263        }
5264        self.language_server_statuses(cx)
5265            .filter(|(_, server_status)| relevant_language_servers.contains(&server_status.name))
5266            .find_map(|(server_id, server_status)| {
5267                if &server_status.name == name {
5268                    Some(server_id)
5269                } else {
5270                    None
5271                }
5272            })
5273    }
5274
5275    #[cfg(any(test, feature = "test-support"))]
5276    pub fn has_language_servers_for(&self, buffer: &Buffer, cx: &mut App) -> bool {
5277        self.lsp_store.update(cx, |this, cx| {
5278            this.language_servers_for_local_buffer(buffer, cx)
5279                .next()
5280                .is_some()
5281        })
5282    }
5283
5284    pub fn git_init(
5285        &self,
5286        path: Arc<Path>,
5287        fallback_branch_name: String,
5288        cx: &App,
5289    ) -> Task<Result<()>> {
5290        self.git_store
5291            .read(cx)
5292            .git_init(path, fallback_branch_name, cx)
5293    }
5294
5295    pub fn buffer_store(&self) -> &Entity<BufferStore> {
5296        &self.buffer_store
5297    }
5298
5299    pub fn git_store(&self) -> &Entity<GitStore> {
5300        &self.git_store
5301    }
5302
5303    pub fn agent_server_store(&self) -> &Entity<AgentServerStore> {
5304        &self.agent_server_store
5305    }
5306
5307    #[cfg(test)]
5308    fn git_scans_complete(&self, cx: &Context<Self>) -> Task<()> {
5309        cx.spawn(async move |this, cx| {
5310            let scans_complete = this
5311                .read_with(cx, |this, cx| {
5312                    this.worktrees(cx)
5313                        .filter_map(|worktree| Some(worktree.read(cx).as_local()?.scan_complete()))
5314                        .collect::<Vec<_>>()
5315                })
5316                .unwrap();
5317            join_all(scans_complete).await;
5318            let barriers = this
5319                .update(cx, |this, cx| {
5320                    let repos = this.repositories(cx).values().cloned().collect::<Vec<_>>();
5321                    repos
5322                        .into_iter()
5323                        .map(|repo| repo.update(cx, |repo, _| repo.barrier()))
5324                        .collect::<Vec<_>>()
5325                })
5326                .unwrap();
5327            join_all(barriers).await;
5328        })
5329    }
5330
5331    pub fn active_repository(&self, cx: &App) -> Option<Entity<Repository>> {
5332        self.git_store.read(cx).active_repository()
5333    }
5334
5335    pub fn repositories<'a>(&self, cx: &'a App) -> &'a HashMap<RepositoryId, Entity<Repository>> {
5336        self.git_store.read(cx).repositories()
5337    }
5338
5339    pub fn status_for_buffer_id(&self, buffer_id: BufferId, cx: &App) -> Option<FileStatus> {
5340        self.git_store.read(cx).status_for_buffer_id(buffer_id, cx)
5341    }
5342
5343    pub fn set_agent_location(
5344        &mut self,
5345        new_location: Option<AgentLocation>,
5346        cx: &mut Context<Self>,
5347    ) {
5348        if let Some(old_location) = self.agent_location.as_ref() {
5349            old_location
5350                .buffer
5351                .update(cx, |buffer, cx| buffer.remove_agent_selections(cx))
5352                .ok();
5353        }
5354
5355        if let Some(location) = new_location.as_ref() {
5356            location
5357                .buffer
5358                .update(cx, |buffer, cx| {
5359                    buffer.set_agent_selections(
5360                        Arc::from([language::Selection {
5361                            id: 0,
5362                            start: location.position,
5363                            end: location.position,
5364                            reversed: false,
5365                            goal: language::SelectionGoal::None,
5366                        }]),
5367                        false,
5368                        CursorShape::Hollow,
5369                        cx,
5370                    )
5371                })
5372                .ok();
5373        }
5374
5375        self.agent_location = new_location;
5376        cx.emit(Event::AgentLocationChanged);
5377    }
5378
5379    pub fn agent_location(&self) -> Option<AgentLocation> {
5380        self.agent_location.clone()
5381    }
5382
5383    pub fn path_style(&self, cx: &App) -> PathStyle {
5384        self.worktree_store.read(cx).path_style()
5385    }
5386
5387    pub fn contains_local_settings_file(
5388        &self,
5389        worktree_id: WorktreeId,
5390        rel_path: &RelPath,
5391        cx: &App,
5392    ) -> bool {
5393        self.worktree_for_id(worktree_id, cx)
5394            .map_or(false, |worktree| {
5395                worktree.read(cx).entry_for_path(rel_path).is_some()
5396            })
5397    }
5398
5399    pub fn update_local_settings_file(
5400        &self,
5401        worktree_id: WorktreeId,
5402        rel_path: Arc<RelPath>,
5403        cx: &mut App,
5404        update: impl 'static + Send + FnOnce(&mut settings::SettingsContent, &App),
5405    ) {
5406        let Some(worktree) = self.worktree_for_id(worktree_id, cx) else {
5407            // todo(settings_ui) error?
5408            return;
5409        };
5410        cx.spawn(async move |cx| {
5411            let file = worktree
5412                .update(cx, |worktree, cx| worktree.load_file(&rel_path, cx))?
5413                .await
5414                .context("Failed to load settings file")?;
5415
5416            let new_text = cx.read_global::<SettingsStore, _>(|store, cx| {
5417                store.new_text_for_update(file.text, move |settings| update(settings, cx))
5418            })?;
5419            worktree
5420                .update(cx, |worktree, cx| {
5421                    let line_ending = text::LineEnding::detect(&new_text);
5422                    worktree.write_file(rel_path.clone(), new_text.into(), line_ending, cx)
5423                })?
5424                .await
5425                .context("Failed to write settings file")?;
5426
5427            anyhow::Ok(())
5428        })
5429        .detach_and_log_err(cx);
5430    }
5431}
5432
5433pub struct PathMatchCandidateSet {
5434    pub snapshot: Snapshot,
5435    pub include_ignored: bool,
5436    pub include_root_name: bool,
5437    pub candidates: Candidates,
5438}
5439
5440pub enum Candidates {
5441    /// Only consider directories.
5442    Directories,
5443    /// Only consider files.
5444    Files,
5445    /// Consider directories and files.
5446    Entries,
5447}
5448
5449impl<'a> fuzzy::PathMatchCandidateSet<'a> for PathMatchCandidateSet {
5450    type Candidates = PathMatchCandidateSetIter<'a>;
5451
5452    fn id(&self) -> usize {
5453        self.snapshot.id().to_usize()
5454    }
5455
5456    fn len(&self) -> usize {
5457        match self.candidates {
5458            Candidates::Files => {
5459                if self.include_ignored {
5460                    self.snapshot.file_count()
5461                } else {
5462                    self.snapshot.visible_file_count()
5463                }
5464            }
5465
5466            Candidates::Directories => {
5467                if self.include_ignored {
5468                    self.snapshot.dir_count()
5469                } else {
5470                    self.snapshot.visible_dir_count()
5471                }
5472            }
5473
5474            Candidates::Entries => {
5475                if self.include_ignored {
5476                    self.snapshot.entry_count()
5477                } else {
5478                    self.snapshot.visible_entry_count()
5479                }
5480            }
5481        }
5482    }
5483
5484    fn prefix(&self) -> Arc<RelPath> {
5485        if self.snapshot.root_entry().is_some_and(|e| e.is_file()) || self.include_root_name {
5486            self.snapshot.root_name().into()
5487        } else {
5488            RelPath::empty().into()
5489        }
5490    }
5491
5492    fn root_is_file(&self) -> bool {
5493        self.snapshot.root_entry().is_some_and(|f| f.is_file())
5494    }
5495
5496    fn path_style(&self) -> PathStyle {
5497        self.snapshot.path_style()
5498    }
5499
5500    fn candidates(&'a self, start: usize) -> Self::Candidates {
5501        PathMatchCandidateSetIter {
5502            traversal: match self.candidates {
5503                Candidates::Directories => self.snapshot.directories(self.include_ignored, start),
5504                Candidates::Files => self.snapshot.files(self.include_ignored, start),
5505                Candidates::Entries => self.snapshot.entries(self.include_ignored, start),
5506            },
5507        }
5508    }
5509}
5510
5511pub struct PathMatchCandidateSetIter<'a> {
5512    traversal: Traversal<'a>,
5513}
5514
5515impl<'a> Iterator for PathMatchCandidateSetIter<'a> {
5516    type Item = fuzzy::PathMatchCandidate<'a>;
5517
5518    fn next(&mut self) -> Option<Self::Item> {
5519        self.traversal
5520            .next()
5521            .map(|entry| fuzzy::PathMatchCandidate {
5522                is_dir: entry.kind.is_dir(),
5523                path: &entry.path,
5524                char_bag: entry.char_bag,
5525            })
5526    }
5527}
5528
5529impl EventEmitter<Event> for Project {}
5530
5531impl<'a> From<&'a ProjectPath> for SettingsLocation<'a> {
5532    fn from(val: &'a ProjectPath) -> Self {
5533        SettingsLocation {
5534            worktree_id: val.worktree_id,
5535            path: val.path.as_ref(),
5536        }
5537    }
5538}
5539
5540impl<P: Into<Arc<RelPath>>> From<(WorktreeId, P)> for ProjectPath {
5541    fn from((worktree_id, path): (WorktreeId, P)) -> Self {
5542        Self {
5543            worktree_id,
5544            path: path.into(),
5545        }
5546    }
5547}
5548
5549/// ResolvedPath is a path that has been resolved to either a ProjectPath
5550/// or an AbsPath and that *exists*.
5551#[derive(Debug, Clone)]
5552pub enum ResolvedPath {
5553    ProjectPath {
5554        project_path: ProjectPath,
5555        is_dir: bool,
5556    },
5557    AbsPath {
5558        path: String,
5559        is_dir: bool,
5560    },
5561}
5562
5563impl ResolvedPath {
5564    pub fn abs_path(&self) -> Option<&str> {
5565        match self {
5566            Self::AbsPath { path, .. } => Some(path),
5567            _ => None,
5568        }
5569    }
5570
5571    pub fn into_abs_path(self) -> Option<String> {
5572        match self {
5573            Self::AbsPath { path, .. } => Some(path),
5574            _ => None,
5575        }
5576    }
5577
5578    pub fn project_path(&self) -> Option<&ProjectPath> {
5579        match self {
5580            Self::ProjectPath { project_path, .. } => Some(project_path),
5581            _ => None,
5582        }
5583    }
5584
5585    pub fn is_file(&self) -> bool {
5586        !self.is_dir()
5587    }
5588
5589    pub fn is_dir(&self) -> bool {
5590        match self {
5591            Self::ProjectPath { is_dir, .. } => *is_dir,
5592            Self::AbsPath { is_dir, .. } => *is_dir,
5593        }
5594    }
5595}
5596
5597impl ProjectItem for Buffer {
5598    fn try_open(
5599        project: &Entity<Project>,
5600        path: &ProjectPath,
5601        cx: &mut App,
5602    ) -> Option<Task<Result<Entity<Self>>>> {
5603        Some(project.update(cx, |project, cx| project.open_buffer(path.clone(), cx)))
5604    }
5605
5606    fn entry_id(&self, _cx: &App) -> Option<ProjectEntryId> {
5607        File::from_dyn(self.file()).and_then(|file| file.project_entry_id())
5608    }
5609
5610    fn project_path(&self, cx: &App) -> Option<ProjectPath> {
5611        self.file().map(|file| ProjectPath {
5612            worktree_id: file.worktree_id(cx),
5613            path: file.path().clone(),
5614        })
5615    }
5616
5617    fn is_dirty(&self) -> bool {
5618        self.is_dirty()
5619    }
5620}
5621
5622impl Completion {
5623    pub fn kind(&self) -> Option<CompletionItemKind> {
5624        self.source
5625            // `lsp::CompletionListItemDefaults` has no `kind` field
5626            .lsp_completion(false)
5627            .and_then(|lsp_completion| lsp_completion.kind)
5628    }
5629
5630    pub fn label(&self) -> Option<String> {
5631        self.source
5632            .lsp_completion(false)
5633            .map(|lsp_completion| lsp_completion.label.clone())
5634    }
5635
5636    /// A key that can be used to sort completions when displaying
5637    /// them to the user.
5638    pub fn sort_key(&self) -> (usize, &str) {
5639        const DEFAULT_KIND_KEY: usize = 4;
5640        let kind_key = self
5641            .kind()
5642            .and_then(|lsp_completion_kind| match lsp_completion_kind {
5643                lsp::CompletionItemKind::KEYWORD => Some(0),
5644                lsp::CompletionItemKind::VARIABLE => Some(1),
5645                lsp::CompletionItemKind::CONSTANT => Some(2),
5646                lsp::CompletionItemKind::PROPERTY => Some(3),
5647                _ => None,
5648            })
5649            .unwrap_or(DEFAULT_KIND_KEY);
5650        (kind_key, self.label.filter_text())
5651    }
5652
5653    /// Whether this completion is a snippet.
5654    pub fn is_snippet(&self) -> bool {
5655        self.source
5656            // `lsp::CompletionListItemDefaults` has `insert_text_format` field
5657            .lsp_completion(true)
5658            .is_some_and(|lsp_completion| {
5659                lsp_completion.insert_text_format == Some(lsp::InsertTextFormat::SNIPPET)
5660            })
5661    }
5662
5663    /// Returns the corresponding color for this completion.
5664    ///
5665    /// Will return `None` if this completion's kind is not [`CompletionItemKind::COLOR`].
5666    pub fn color(&self) -> Option<Hsla> {
5667        // `lsp::CompletionListItemDefaults` has no `kind` field
5668        let lsp_completion = self.source.lsp_completion(false)?;
5669        if lsp_completion.kind? == CompletionItemKind::COLOR {
5670            return color_extractor::extract_color(&lsp_completion);
5671        }
5672        None
5673    }
5674}
5675
5676fn proto_to_prompt(level: proto::language_server_prompt_request::Level) -> gpui::PromptLevel {
5677    match level {
5678        proto::language_server_prompt_request::Level::Info(_) => gpui::PromptLevel::Info,
5679        proto::language_server_prompt_request::Level::Warning(_) => gpui::PromptLevel::Warning,
5680        proto::language_server_prompt_request::Level::Critical(_) => gpui::PromptLevel::Critical,
5681    }
5682}
5683
5684fn provide_inline_values(
5685    captures: impl Iterator<Item = (Range<usize>, language::DebuggerTextObject)>,
5686    snapshot: &language::BufferSnapshot,
5687    max_row: usize,
5688) -> Vec<InlineValueLocation> {
5689    let mut variables = Vec::new();
5690    let mut variable_position = HashSet::default();
5691    let mut scopes = Vec::new();
5692
5693    let active_debug_line_offset = snapshot.point_to_offset(Point::new(max_row as u32, 0));
5694
5695    for (capture_range, capture_kind) in captures {
5696        match capture_kind {
5697            language::DebuggerTextObject::Variable => {
5698                let variable_name = snapshot
5699                    .text_for_range(capture_range.clone())
5700                    .collect::<String>();
5701                let point = snapshot.offset_to_point(capture_range.end);
5702
5703                while scopes
5704                    .last()
5705                    .is_some_and(|scope: &Range<_>| !scope.contains(&capture_range.start))
5706                {
5707                    scopes.pop();
5708                }
5709
5710                if point.row as usize > max_row {
5711                    break;
5712                }
5713
5714                let scope = if scopes
5715                    .last()
5716                    .is_none_or(|scope| !scope.contains(&active_debug_line_offset))
5717                {
5718                    VariableScope::Global
5719                } else {
5720                    VariableScope::Local
5721                };
5722
5723                if variable_position.insert(capture_range.end) {
5724                    variables.push(InlineValueLocation {
5725                        variable_name,
5726                        scope,
5727                        lookup: VariableLookupKind::Variable,
5728                        row: point.row as usize,
5729                        column: point.column as usize,
5730                    });
5731                }
5732            }
5733            language::DebuggerTextObject::Scope => {
5734                while scopes.last().map_or_else(
5735                    || false,
5736                    |scope: &Range<usize>| {
5737                        !(scope.contains(&capture_range.start)
5738                            && scope.contains(&capture_range.end))
5739                    },
5740                ) {
5741                    scopes.pop();
5742                }
5743                scopes.push(capture_range);
5744            }
5745        }
5746    }
5747
5748    variables
5749}
5750
5751#[cfg(test)]
5752mod disable_ai_settings_tests {
5753    use super::*;
5754    use gpui::TestAppContext;
5755    use settings::Settings;
5756
5757    #[gpui::test]
5758    async fn test_disable_ai_settings_security(cx: &mut TestAppContext) {
5759        cx.update(|cx| {
5760            settings::init(cx);
5761            Project::init_settings(cx);
5762
5763            // Test 1: Default is false (AI enabled)
5764            assert!(
5765                !DisableAiSettings::get_global(cx).disable_ai,
5766                "Default should allow AI"
5767            );
5768        });
5769
5770        let disable_true = serde_json::json!({
5771            "disable_ai": true
5772        })
5773        .to_string();
5774        let disable_false = serde_json::json!({
5775            "disable_ai": false
5776        })
5777        .to_string();
5778
5779        cx.update_global::<SettingsStore, _>(|store, cx| {
5780            store.set_user_settings(&disable_false, cx).unwrap();
5781            store.set_global_settings(&disable_true, cx).unwrap();
5782        });
5783        cx.update(|cx| {
5784            assert!(
5785                DisableAiSettings::get_global(cx).disable_ai,
5786                "Local false cannot override global true"
5787            );
5788        });
5789
5790        cx.update_global::<SettingsStore, _>(|store, cx| {
5791            store.set_global_settings(&disable_false, cx).unwrap();
5792            store.set_user_settings(&disable_true, cx).unwrap();
5793        });
5794
5795        cx.update(|cx| {
5796            assert!(
5797                DisableAiSettings::get_global(cx).disable_ai,
5798                "Local false cannot override global true"
5799            );
5800        });
5801    }
5802}