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;
  29
  30use encodings::EncodingOptions;
  31pub use environment::ProjectEnvironmentEvent;
  32use git::repository::get_git_committer;
  33use git_store::{Repository, RepositoryId};
  34
  35pub mod search_history;
  36mod yarn;
  37
  38use dap::inline_value::{InlineValueLocation, VariableLookupKind, VariableScope};
  39use task::Shell;
  40
  41use crate::{
  42    agent_server_store::AllAgentServersSettings,
  43    git_store::GitStore,
  44    lsp_store::{SymbolLocation, log_store::LogKind},
  45};
  46pub use agent_server_store::{AgentServerStore, AgentServersUpdated, ExternalAgentServerName};
  47pub use git_store::{
  48    ConflictRegion, ConflictSet, ConflictSetSnapshot, ConflictSetUpdate,
  49    git_traversal::{ChildEntriesGitIter, GitEntry, GitEntryRef, GitTraversal},
  50};
  51pub use manifest_tree::ManifestTree;
  52
  53use anyhow::{Context as _, Result, anyhow};
  54use buffer_store::{BufferStore, BufferStoreEvent};
  55use client::{Client, Collaborator, PendingEntitySubscription, TypedEnvelope, UserStore, proto};
  56use clock::ReplicaId;
  57
  58use dap::client::DebugAdapterClient;
  59
  60use collections::{BTreeSet, HashMap, HashSet, IndexSet};
  61use debounced_delay::DebouncedDelay;
  62pub use debugger::breakpoint_store::BreakpointWithPosition;
  63use debugger::{
  64    breakpoint_store::{ActiveStackFrame, BreakpointStore},
  65    dap_store::{DapStore, DapStoreEvent},
  66    session::Session,
  67};
  68pub use environment::ProjectEnvironment;
  69#[cfg(test)]
  70use futures::future::join_all;
  71use futures::{
  72    StreamExt,
  73    channel::mpsc::{self, UnboundedReceiver},
  74    future::{Shared, try_join_all},
  75};
  76pub use image_store::{ImageItem, ImageStore};
  77use image_store::{ImageItemEvent, ImageStoreEvent};
  78
  79use ::git::{blame::Blame, status::FileStatus};
  80use gpui::{
  81    App, AppContext, AsyncApp, BorrowAppContext, Context, Entity, EventEmitter, Hsla, SharedString,
  82    Task, WeakEntity, Window,
  83};
  84use language::{
  85    Buffer, BufferEvent, Capability, CodeLabel, CursorShape, Language, LanguageName,
  86    LanguageRegistry, PointUtf16, ToOffset, ToPointUtf16, Toolchain, ToolchainMetadata,
  87    ToolchainScope, Transaction, Unclipped, language_settings::InlayHintKind,
  88    proto::split_operations,
  89};
  90use lsp::{
  91    CodeActionKind, CompletionContext, CompletionItemKind, DocumentHighlightKind, InsertTextMode,
  92    LanguageServerId, LanguageServerName, LanguageServerSelector, MessageActionItem,
  93};
  94use lsp_command::*;
  95use lsp_store::{CompletionDocumentation, LspFormatTarget, OpenLspBufferHandle};
  96pub use manifest_tree::ManifestProvidersStore;
  97use node_runtime::NodeRuntime;
  98use parking_lot::Mutex;
  99pub use prettier_store::PrettierStore;
 100use project_settings::{ProjectSettings, SettingsObserver, SettingsObserverEvent};
 101use remote::{RemoteClient, RemoteConnectionOptions};
 102use rpc::{
 103    AnyProtoClient, ErrorCode,
 104    proto::{LanguageServerPromptResponse, REMOTE_SERVER_PROJECT_ID},
 105};
 106use search::{SearchInputKind, SearchQuery, SearchResult};
 107use search_history::SearchHistory;
 108use settings::{InvalidSettingsError, Settings, SettingsLocation, SettingsStore};
 109use smol::channel::Receiver;
 110use snippet::Snippet;
 111use snippet_provider::SnippetProvider;
 112use std::ops::Deref;
 113use std::{
 114    borrow::Cow,
 115    collections::BTreeMap,
 116    ops::Range,
 117    path::{Path, PathBuf},
 118    pin::pin,
 119    str,
 120    sync::Arc,
 121    time::Duration,
 122};
 123
 124use task_store::TaskStore;
 125use terminals::Terminals;
 126use text::{Anchor, BufferId, OffsetRangeExt, Point, Rope};
 127use toolchain_store::EmptyToolchainStore;
 128use util::{
 129    ResultExt as _, maybe,
 130    paths::{PathStyle, SanitizedPath, compare_paths, is_absolute},
 131    rel_path::RelPath,
 132};
 133use worktree::{CreatedEntry, Snapshot, Traversal};
 134pub use worktree::{
 135    Entry, EntryKind, FS_WATCH_LATENCY, File, LocalWorktree, PathChange, ProjectEntryId,
 136    UpdatedEntriesSet, UpdatedGitRepositoriesSet, Worktree, WorktreeId, WorktreeSettings,
 137};
 138use worktree_store::{WorktreeStore, WorktreeStoreEvent};
 139
 140pub use fs::*;
 141pub use language::Location;
 142#[cfg(any(test, feature = "test-support"))]
 143pub use prettier::FORMAT_SUFFIX as TEST_PRETTIER_FORMAT_SUFFIX;
 144pub use task_inventory::{
 145    BasicContextProvider, ContextProviderWithTasks, DebugScenarioContext, Inventory, TaskContexts,
 146    TaskSourceKind,
 147};
 148
 149pub use buffer_store::ProjectTransaction;
 150pub use lsp_store::{
 151    DiagnosticSummary, InvalidationStrategy, LanguageServerLogType, LanguageServerProgress,
 152    LanguageServerPromptRequest, LanguageServerStatus, LanguageServerToQuery, LspStore,
 153    LspStoreEvent, ProgressToken, SERVER_PROGRESS_THROTTLE_TIMEOUT,
 154};
 155pub use toolchain_store::{ToolchainStore, Toolchains};
 156const MAX_PROJECT_SEARCH_HISTORY_SIZE: usize = 500;
 157const MAX_SEARCH_RESULT_FILES: usize = 5_000;
 158const MAX_SEARCH_RESULT_RANGES: usize = 10_000;
 159
 160pub trait ProjectItem: 'static {
 161    fn try_open(
 162        project: &Entity<Project>,
 163        path: &ProjectPath,
 164        cx: &mut App,
 165    ) -> Option<Task<Result<Entity<Self>>>>
 166    where
 167        Self: Sized;
 168    fn entry_id(&self, cx: &App) -> Option<ProjectEntryId>;
 169    fn project_path(&self, cx: &App) -> Option<ProjectPath>;
 170    fn is_dirty(&self) -> bool;
 171}
 172
 173#[derive(Clone)]
 174pub enum OpenedBufferEvent {
 175    Disconnected,
 176    Ok(BufferId),
 177    Err(BufferId, Arc<anyhow::Error>),
 178}
 179
 180/// Semantics-aware entity that is relevant to one or more [`Worktree`] with the files.
 181/// `Project` is responsible for tasks, LSP and collab queries, synchronizing worktree states accordingly.
 182/// Maps [`Worktree`] entries with its own logic using [`ProjectEntryId`] and [`ProjectPath`] structs.
 183///
 184/// Can be either local (for the project opened on the same host) or remote.(for collab projects, browsed by multiple remote users).
 185pub struct Project {
 186    active_entry: Option<ProjectEntryId>,
 187    buffer_ordered_messages_tx: mpsc::UnboundedSender<BufferOrderedMessage>,
 188    languages: Arc<LanguageRegistry>,
 189    dap_store: Entity<DapStore>,
 190    agent_server_store: Entity<AgentServerStore>,
 191
 192    breakpoint_store: Entity<BreakpointStore>,
 193    collab_client: Arc<client::Client>,
 194    join_project_response_message_id: u32,
 195    task_store: Entity<TaskStore>,
 196    user_store: Entity<UserStore>,
 197    fs: Arc<dyn Fs>,
 198    remote_client: Option<Entity<RemoteClient>>,
 199    client_state: ProjectClientState,
 200    git_store: Entity<GitStore>,
 201    collaborators: HashMap<proto::PeerId, Collaborator>,
 202    client_subscriptions: Vec<client::Subscription>,
 203    worktree_store: Entity<WorktreeStore>,
 204    buffer_store: Entity<BufferStore>,
 205    context_server_store: Entity<ContextServerStore>,
 206    image_store: Entity<ImageStore>,
 207    lsp_store: Entity<LspStore>,
 208    _subscriptions: Vec<gpui::Subscription>,
 209    buffers_needing_diff: HashSet<WeakEntity<Buffer>>,
 210    git_diff_debouncer: DebouncedDelay<Self>,
 211    remotely_created_models: Arc<Mutex<RemotelyCreatedModels>>,
 212    terminals: Terminals,
 213    node: Option<NodeRuntime>,
 214    search_history: SearchHistory,
 215    search_included_history: SearchHistory,
 216    search_excluded_history: SearchHistory,
 217    snippets: Entity<SnippetProvider>,
 218    environment: Entity<ProjectEnvironment>,
 219    settings_observer: Entity<SettingsObserver>,
 220    toolchain_store: Option<Entity<ToolchainStore>>,
 221    agent_location: Option<AgentLocation>,
 222    pub encoding_options: EncodingOptions,
 223}
 224
 225#[derive(Clone, Debug, PartialEq, Eq)]
 226pub struct AgentLocation {
 227    pub buffer: WeakEntity<Buffer>,
 228    pub position: Anchor,
 229}
 230
 231#[derive(Default)]
 232struct RemotelyCreatedModels {
 233    worktrees: Vec<Entity<Worktree>>,
 234    buffers: Vec<Entity<Buffer>>,
 235    retain_count: usize,
 236}
 237
 238struct RemotelyCreatedModelGuard {
 239    remote_models: std::sync::Weak<Mutex<RemotelyCreatedModels>>,
 240}
 241
 242impl Drop for RemotelyCreatedModelGuard {
 243    fn drop(&mut self) {
 244        if let Some(remote_models) = self.remote_models.upgrade() {
 245            let mut remote_models = remote_models.lock();
 246            assert!(
 247                remote_models.retain_count > 0,
 248                "RemotelyCreatedModelGuard dropped too many times"
 249            );
 250            remote_models.retain_count -= 1;
 251            if remote_models.retain_count == 0 {
 252                remote_models.buffers.clear();
 253                remote_models.worktrees.clear();
 254            }
 255        }
 256    }
 257}
 258/// Message ordered with respect to buffer operations
 259#[derive(Debug)]
 260enum BufferOrderedMessage {
 261    Operation {
 262        buffer_id: BufferId,
 263        operation: proto::Operation,
 264    },
 265    LanguageServerUpdate {
 266        language_server_id: LanguageServerId,
 267        message: proto::update_language_server::Variant,
 268        name: Option<LanguageServerName>,
 269    },
 270    Resync,
 271}
 272
 273#[derive(Debug)]
 274enum ProjectClientState {
 275    /// Single-player mode.
 276    Local,
 277    /// Multi-player mode but still a local project.
 278    Shared { remote_id: u64 },
 279    /// Multi-player mode but working on a remote project.
 280    Remote {
 281        sharing_has_stopped: bool,
 282        capability: Capability,
 283        remote_id: u64,
 284        replica_id: ReplicaId,
 285    },
 286}
 287
 288#[derive(Clone, Debug, PartialEq)]
 289pub enum Event {
 290    LanguageServerAdded(LanguageServerId, LanguageServerName, Option<WorktreeId>),
 291    LanguageServerRemoved(LanguageServerId),
 292    LanguageServerLog(LanguageServerId, LanguageServerLogType, String),
 293    // [`lsp::notification::DidOpenTextDocument`] was sent to this server using the buffer data.
 294    // Zed's buffer-related data is updated accordingly.
 295    LanguageServerBufferRegistered {
 296        server_id: LanguageServerId,
 297        buffer_id: BufferId,
 298        buffer_abs_path: PathBuf,
 299        name: Option<LanguageServerName>,
 300    },
 301    ToggleLspLogs {
 302        server_id: LanguageServerId,
 303        enabled: bool,
 304        toggled_log_kind: LogKind,
 305    },
 306    Toast {
 307        notification_id: SharedString,
 308        message: String,
 309    },
 310    HideToast {
 311        notification_id: SharedString,
 312    },
 313    LanguageServerPrompt(LanguageServerPromptRequest),
 314    LanguageNotFound(Entity<Buffer>),
 315    ActiveEntryChanged(Option<ProjectEntryId>),
 316    ActivateProjectPanel,
 317    WorktreeAdded(WorktreeId),
 318    WorktreeOrderChanged,
 319    WorktreeRemoved(WorktreeId),
 320    WorktreeUpdatedEntries(WorktreeId, UpdatedEntriesSet),
 321    DiskBasedDiagnosticsStarted {
 322        language_server_id: LanguageServerId,
 323    },
 324    DiskBasedDiagnosticsFinished {
 325        language_server_id: LanguageServerId,
 326    },
 327    DiagnosticsUpdated {
 328        paths: Vec<ProjectPath>,
 329        language_server_id: LanguageServerId,
 330    },
 331    RemoteIdChanged(Option<u64>),
 332    DisconnectedFromHost,
 333    DisconnectedFromSshRemote,
 334    Closed,
 335    DeletedEntry(WorktreeId, ProjectEntryId),
 336    CollaboratorUpdated {
 337        old_peer_id: proto::PeerId,
 338        new_peer_id: proto::PeerId,
 339    },
 340    CollaboratorJoined(proto::PeerId),
 341    CollaboratorLeft(proto::PeerId),
 342    HostReshared,
 343    Reshared,
 344    Rejoined,
 345    RefreshInlayHints(LanguageServerId),
 346    RefreshCodeLens,
 347    RevealInProjectPanel(ProjectEntryId),
 348    SnippetEdit(BufferId, Vec<(lsp::Range, Snippet)>),
 349    ExpandedAllForEntry(WorktreeId, ProjectEntryId),
 350    EntryRenamed(ProjectTransaction),
 351    AgentLocationChanged,
 352}
 353
 354pub struct AgentLocationChanged;
 355
 356pub enum DebugAdapterClientState {
 357    Starting(Task<Option<Arc<DebugAdapterClient>>>),
 358    Running(Arc<DebugAdapterClient>),
 359}
 360
 361#[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord)]
 362pub struct ProjectPath {
 363    pub worktree_id: WorktreeId,
 364    pub path: Arc<RelPath>,
 365}
 366
 367impl ProjectPath {
 368    pub fn from_file(value: &dyn language::File, cx: &App) -> Self {
 369        ProjectPath {
 370            worktree_id: value.worktree_id(cx),
 371            path: value.path().clone(),
 372        }
 373    }
 374
 375    pub fn from_proto(p: proto::ProjectPath) -> Option<Self> {
 376        Some(Self {
 377            worktree_id: WorktreeId::from_proto(p.worktree_id),
 378            path: RelPath::from_proto(&p.path).log_err()?,
 379        })
 380    }
 381
 382    pub fn to_proto(&self) -> proto::ProjectPath {
 383        proto::ProjectPath {
 384            worktree_id: self.worktree_id.to_proto(),
 385            path: self.path.as_ref().to_proto(),
 386        }
 387    }
 388
 389    pub fn root_path(worktree_id: WorktreeId) -> Self {
 390        Self {
 391            worktree_id,
 392            path: RelPath::empty().into(),
 393        }
 394    }
 395
 396    pub fn starts_with(&self, other: &ProjectPath) -> bool {
 397        self.worktree_id == other.worktree_id && self.path.starts_with(&other.path)
 398    }
 399}
 400
 401#[derive(Debug, Default)]
 402pub enum PrepareRenameResponse {
 403    Success(Range<Anchor>),
 404    OnlyUnpreparedRenameSupported,
 405    #[default]
 406    InvalidPosition,
 407}
 408
 409#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
 410pub enum InlayId {
 411    EditPrediction(usize),
 412    DebuggerValue(usize),
 413    // LSP
 414    Hint(usize),
 415    Color(usize),
 416}
 417
 418impl InlayId {
 419    pub fn id(&self) -> usize {
 420        match self {
 421            Self::EditPrediction(id) => *id,
 422            Self::DebuggerValue(id) => *id,
 423            Self::Hint(id) => *id,
 424            Self::Color(id) => *id,
 425        }
 426    }
 427}
 428
 429#[derive(Debug, Clone, PartialEq, Eq)]
 430pub struct InlayHint {
 431    pub position: language::Anchor,
 432    pub label: InlayHintLabel,
 433    pub kind: Option<InlayHintKind>,
 434    pub padding_left: bool,
 435    pub padding_right: bool,
 436    pub tooltip: Option<InlayHintTooltip>,
 437    pub resolve_state: ResolveState,
 438}
 439
 440/// The user's intent behind a given completion confirmation
 441#[derive(PartialEq, Eq, Hash, Debug, Clone, Copy)]
 442pub enum CompletionIntent {
 443    /// The user intends to 'commit' this result, if possible
 444    /// completion confirmations should run side effects.
 445    ///
 446    /// For LSP completions, will respect the setting `completions.lsp_insert_mode`.
 447    Complete,
 448    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `insert`.
 449    CompleteWithInsert,
 450    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `replace`.
 451    CompleteWithReplace,
 452    /// The user intends to continue 'composing' this completion
 453    /// completion confirmations should not run side effects and
 454    /// let the user continue composing their action
 455    Compose,
 456}
 457
 458impl CompletionIntent {
 459    pub fn is_complete(&self) -> bool {
 460        self == &Self::Complete
 461    }
 462
 463    pub fn is_compose(&self) -> bool {
 464        self == &Self::Compose
 465    }
 466}
 467
 468/// Similar to `CoreCompletion`, but with extra metadata attached.
 469#[derive(Clone)]
 470pub struct Completion {
 471    /// The range of text that will be replaced by this completion.
 472    pub replace_range: Range<Anchor>,
 473    /// The new text that will be inserted.
 474    pub new_text: String,
 475    /// A label for this completion that is shown in the menu.
 476    pub label: CodeLabel,
 477    /// The documentation for this completion.
 478    pub documentation: Option<CompletionDocumentation>,
 479    /// Completion data source which it was constructed from.
 480    pub source: CompletionSource,
 481    /// A path to an icon for this completion that is shown in the menu.
 482    pub icon_path: Option<SharedString>,
 483    /// Whether to adjust indentation (the default) or not.
 484    pub insert_text_mode: Option<InsertTextMode>,
 485    /// An optional callback to invoke when this completion is confirmed.
 486    /// Returns, whether new completions should be retriggered after the current one.
 487    /// If `true` is returned, the editor will show a new completion menu after this completion is confirmed.
 488    /// if no confirmation is provided or `false` is returned, the completion will be committed.
 489    pub confirm: Option<Arc<dyn Send + Sync + Fn(CompletionIntent, &mut Window, &mut App) -> bool>>,
 490}
 491
 492#[derive(Debug, Clone)]
 493pub enum CompletionSource {
 494    Lsp {
 495        /// The alternate `insert` range, if provided by the LSP server.
 496        insert_range: Option<Range<Anchor>>,
 497        /// The id of the language server that produced this completion.
 498        server_id: LanguageServerId,
 499        /// The raw completion provided by the language server.
 500        lsp_completion: Box<lsp::CompletionItem>,
 501        /// A set of defaults for this completion item.
 502        lsp_defaults: Option<Arc<lsp::CompletionListItemDefaults>>,
 503        /// Whether this completion has been resolved, to ensure it happens once per completion.
 504        resolved: bool,
 505    },
 506    Dap {
 507        /// The sort text for this completion.
 508        sort_text: String,
 509    },
 510    Custom,
 511    BufferWord {
 512        word_range: Range<Anchor>,
 513        resolved: bool,
 514    },
 515}
 516
 517impl CompletionSource {
 518    pub fn server_id(&self) -> Option<LanguageServerId> {
 519        if let CompletionSource::Lsp { server_id, .. } = self {
 520            Some(*server_id)
 521        } else {
 522            None
 523        }
 524    }
 525
 526    pub fn lsp_completion(&self, apply_defaults: bool) -> Option<Cow<'_, lsp::CompletionItem>> {
 527        if let Self::Lsp {
 528            lsp_completion,
 529            lsp_defaults,
 530            ..
 531        } = self
 532        {
 533            if apply_defaults && let Some(lsp_defaults) = lsp_defaults {
 534                let mut completion_with_defaults = *lsp_completion.clone();
 535                let default_commit_characters = lsp_defaults.commit_characters.as_ref();
 536                let default_edit_range = lsp_defaults.edit_range.as_ref();
 537                let default_insert_text_format = lsp_defaults.insert_text_format.as_ref();
 538                let default_insert_text_mode = lsp_defaults.insert_text_mode.as_ref();
 539
 540                if default_commit_characters.is_some()
 541                    || default_edit_range.is_some()
 542                    || default_insert_text_format.is_some()
 543                    || default_insert_text_mode.is_some()
 544                {
 545                    if completion_with_defaults.commit_characters.is_none()
 546                        && default_commit_characters.is_some()
 547                    {
 548                        completion_with_defaults.commit_characters =
 549                            default_commit_characters.cloned()
 550                    }
 551                    if completion_with_defaults.text_edit.is_none() {
 552                        match default_edit_range {
 553                            Some(lsp::CompletionListItemDefaultsEditRange::Range(range)) => {
 554                                completion_with_defaults.text_edit =
 555                                    Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
 556                                        range: *range,
 557                                        new_text: completion_with_defaults.label.clone(),
 558                                    }))
 559                            }
 560                            Some(lsp::CompletionListItemDefaultsEditRange::InsertAndReplace {
 561                                insert,
 562                                replace,
 563                            }) => {
 564                                completion_with_defaults.text_edit =
 565                                    Some(lsp::CompletionTextEdit::InsertAndReplace(
 566                                        lsp::InsertReplaceEdit {
 567                                            new_text: completion_with_defaults.label.clone(),
 568                                            insert: *insert,
 569                                            replace: *replace,
 570                                        },
 571                                    ))
 572                            }
 573                            None => {}
 574                        }
 575                    }
 576                    if completion_with_defaults.insert_text_format.is_none()
 577                        && default_insert_text_format.is_some()
 578                    {
 579                        completion_with_defaults.insert_text_format =
 580                            default_insert_text_format.cloned()
 581                    }
 582                    if completion_with_defaults.insert_text_mode.is_none()
 583                        && default_insert_text_mode.is_some()
 584                    {
 585                        completion_with_defaults.insert_text_mode =
 586                            default_insert_text_mode.cloned()
 587                    }
 588                }
 589                return Some(Cow::Owned(completion_with_defaults));
 590            }
 591            Some(Cow::Borrowed(lsp_completion))
 592        } else {
 593            None
 594        }
 595    }
 596}
 597
 598impl std::fmt::Debug for Completion {
 599    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 600        f.debug_struct("Completion")
 601            .field("replace_range", &self.replace_range)
 602            .field("new_text", &self.new_text)
 603            .field("label", &self.label)
 604            .field("documentation", &self.documentation)
 605            .field("source", &self.source)
 606            .finish()
 607    }
 608}
 609
 610/// Response from a source of completions.
 611pub struct CompletionResponse {
 612    pub completions: Vec<Completion>,
 613    pub display_options: CompletionDisplayOptions,
 614    /// When false, indicates that the list is complete and so does not need to be re-queried if it
 615    /// can be filtered instead.
 616    pub is_incomplete: bool,
 617}
 618
 619#[derive(Default)]
 620pub struct CompletionDisplayOptions {
 621    pub dynamic_width: bool,
 622}
 623
 624impl CompletionDisplayOptions {
 625    pub fn merge(&mut self, other: &CompletionDisplayOptions) {
 626        self.dynamic_width = self.dynamic_width && other.dynamic_width;
 627    }
 628}
 629
 630/// Response from language server completion request.
 631#[derive(Clone, Debug, Default)]
 632pub(crate) struct CoreCompletionResponse {
 633    pub completions: Vec<CoreCompletion>,
 634    /// When false, indicates that the list is complete and so does not need to be re-queried if it
 635    /// can be filtered instead.
 636    pub is_incomplete: bool,
 637}
 638
 639/// A generic completion that can come from different sources.
 640#[derive(Clone, Debug)]
 641pub(crate) struct CoreCompletion {
 642    replace_range: Range<Anchor>,
 643    new_text: String,
 644    source: CompletionSource,
 645}
 646
 647/// A code action provided by a language server.
 648#[derive(Clone, Debug, PartialEq)]
 649pub struct CodeAction {
 650    /// The id of the language server that produced this code action.
 651    pub server_id: LanguageServerId,
 652    /// The range of the buffer where this code action is applicable.
 653    pub range: Range<Anchor>,
 654    /// The raw code action provided by the language server.
 655    /// Can be either an action or a command.
 656    pub lsp_action: LspAction,
 657    /// Whether the action needs to be resolved using the language server.
 658    pub resolved: bool,
 659}
 660
 661/// An action sent back by a language server.
 662#[derive(Clone, Debug, PartialEq)]
 663pub enum LspAction {
 664    /// An action with the full data, may have a command or may not.
 665    /// May require resolving.
 666    Action(Box<lsp::CodeAction>),
 667    /// A command data to run as an action.
 668    Command(lsp::Command),
 669    /// A code lens data to run as an action.
 670    CodeLens(lsp::CodeLens),
 671}
 672
 673impl LspAction {
 674    pub fn title(&self) -> &str {
 675        match self {
 676            Self::Action(action) => &action.title,
 677            Self::Command(command) => &command.title,
 678            Self::CodeLens(lens) => lens
 679                .command
 680                .as_ref()
 681                .map(|command| command.title.as_str())
 682                .unwrap_or("Unknown command"),
 683        }
 684    }
 685
 686    fn action_kind(&self) -> Option<lsp::CodeActionKind> {
 687        match self {
 688            Self::Action(action) => action.kind.clone(),
 689            Self::Command(_) => Some(lsp::CodeActionKind::new("command")),
 690            Self::CodeLens(_) => Some(lsp::CodeActionKind::new("code lens")),
 691        }
 692    }
 693
 694    fn edit(&self) -> Option<&lsp::WorkspaceEdit> {
 695        match self {
 696            Self::Action(action) => action.edit.as_ref(),
 697            Self::Command(_) => None,
 698            Self::CodeLens(_) => None,
 699        }
 700    }
 701
 702    fn command(&self) -> Option<&lsp::Command> {
 703        match self {
 704            Self::Action(action) => action.command.as_ref(),
 705            Self::Command(command) => Some(command),
 706            Self::CodeLens(lens) => lens.command.as_ref(),
 707        }
 708    }
 709}
 710
 711#[derive(Debug, Clone, PartialEq, Eq)]
 712pub enum ResolveState {
 713    Resolved,
 714    CanResolve(LanguageServerId, Option<lsp::LSPAny>),
 715    Resolving,
 716}
 717impl InlayHint {
 718    pub fn text(&self) -> Rope {
 719        match &self.label {
 720            InlayHintLabel::String(s) => Rope::from_str_small(s),
 721            InlayHintLabel::LabelParts(parts) => {
 722                Rope::from_iter_small(parts.iter().map(|part| &*part.value))
 723            }
 724        }
 725    }
 726}
 727
 728#[derive(Debug, Clone, PartialEq, Eq)]
 729pub enum InlayHintLabel {
 730    String(String),
 731    LabelParts(Vec<InlayHintLabelPart>),
 732}
 733
 734#[derive(Debug, Clone, PartialEq, Eq)]
 735pub struct InlayHintLabelPart {
 736    pub value: String,
 737    pub tooltip: Option<InlayHintLabelPartTooltip>,
 738    pub location: Option<(LanguageServerId, lsp::Location)>,
 739}
 740
 741#[derive(Debug, Clone, PartialEq, Eq)]
 742pub enum InlayHintTooltip {
 743    String(String),
 744    MarkupContent(MarkupContent),
 745}
 746
 747#[derive(Debug, Clone, PartialEq, Eq)]
 748pub enum InlayHintLabelPartTooltip {
 749    String(String),
 750    MarkupContent(MarkupContent),
 751}
 752
 753#[derive(Debug, Clone, PartialEq, Eq)]
 754pub struct MarkupContent {
 755    pub kind: HoverBlockKind,
 756    pub value: String,
 757}
 758
 759#[derive(Debug, Clone, PartialEq)]
 760pub struct LocationLink {
 761    pub origin: Option<Location>,
 762    pub target: Location,
 763}
 764
 765#[derive(Debug)]
 766pub struct DocumentHighlight {
 767    pub range: Range<language::Anchor>,
 768    pub kind: DocumentHighlightKind,
 769}
 770
 771#[derive(Clone, Debug)]
 772pub struct Symbol {
 773    pub language_server_name: LanguageServerName,
 774    pub source_worktree_id: WorktreeId,
 775    pub source_language_server_id: LanguageServerId,
 776    pub path: SymbolLocation,
 777    pub label: CodeLabel,
 778    pub name: String,
 779    pub kind: lsp::SymbolKind,
 780    pub range: Range<Unclipped<PointUtf16>>,
 781}
 782
 783#[derive(Clone, Debug)]
 784pub struct DocumentSymbol {
 785    pub name: String,
 786    pub kind: lsp::SymbolKind,
 787    pub range: Range<Unclipped<PointUtf16>>,
 788    pub selection_range: Range<Unclipped<PointUtf16>>,
 789    pub children: Vec<DocumentSymbol>,
 790}
 791
 792#[derive(Clone, Debug, PartialEq)]
 793pub struct HoverBlock {
 794    pub text: String,
 795    pub kind: HoverBlockKind,
 796}
 797
 798#[derive(Clone, Debug, PartialEq, Eq)]
 799pub enum HoverBlockKind {
 800    PlainText,
 801    Markdown,
 802    Code { language: String },
 803}
 804
 805#[derive(Debug, Clone)]
 806pub struct Hover {
 807    pub contents: Vec<HoverBlock>,
 808    pub range: Option<Range<language::Anchor>>,
 809    pub language: Option<Arc<Language>>,
 810}
 811
 812impl Hover {
 813    pub fn is_empty(&self) -> bool {
 814        self.contents.iter().all(|block| block.text.is_empty())
 815    }
 816}
 817
 818enum EntitySubscription {
 819    Project(PendingEntitySubscription<Project>),
 820    BufferStore(PendingEntitySubscription<BufferStore>),
 821    GitStore(PendingEntitySubscription<GitStore>),
 822    WorktreeStore(PendingEntitySubscription<WorktreeStore>),
 823    LspStore(PendingEntitySubscription<LspStore>),
 824    SettingsObserver(PendingEntitySubscription<SettingsObserver>),
 825    DapStore(PendingEntitySubscription<DapStore>),
 826}
 827
 828#[derive(Debug, Clone)]
 829pub struct DirectoryItem {
 830    pub path: PathBuf,
 831    pub is_dir: bool,
 832}
 833
 834#[derive(Clone, Debug, PartialEq)]
 835pub struct DocumentColor {
 836    pub lsp_range: lsp::Range,
 837    pub color: lsp::Color,
 838    pub resolved: bool,
 839    pub color_presentations: Vec<ColorPresentation>,
 840}
 841
 842impl Eq for DocumentColor {}
 843
 844impl std::hash::Hash for DocumentColor {
 845    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 846        self.lsp_range.hash(state);
 847        self.color.red.to_bits().hash(state);
 848        self.color.green.to_bits().hash(state);
 849        self.color.blue.to_bits().hash(state);
 850        self.color.alpha.to_bits().hash(state);
 851        self.resolved.hash(state);
 852        self.color_presentations.hash(state);
 853    }
 854}
 855
 856#[derive(Clone, Debug, PartialEq, Eq)]
 857pub struct ColorPresentation {
 858    pub label: SharedString,
 859    pub text_edit: Option<lsp::TextEdit>,
 860    pub additional_text_edits: Vec<lsp::TextEdit>,
 861}
 862
 863impl std::hash::Hash for ColorPresentation {
 864    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 865        self.label.hash(state);
 866        if let Some(ref edit) = self.text_edit {
 867            edit.range.hash(state);
 868            edit.new_text.hash(state);
 869        }
 870        self.additional_text_edits.len().hash(state);
 871        for edit in &self.additional_text_edits {
 872            edit.range.hash(state);
 873            edit.new_text.hash(state);
 874        }
 875    }
 876}
 877
 878#[derive(Clone)]
 879pub enum DirectoryLister {
 880    Project(Entity<Project>),
 881    Local(Entity<Project>, Arc<dyn Fs>),
 882}
 883
 884impl std::fmt::Debug for DirectoryLister {
 885    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 886        match self {
 887            DirectoryLister::Project(project) => {
 888                write!(f, "DirectoryLister::Project({project:?})")
 889            }
 890            DirectoryLister::Local(project, _) => {
 891                write!(f, "DirectoryLister::Local({project:?})")
 892            }
 893        }
 894    }
 895}
 896
 897impl DirectoryLister {
 898    pub fn is_local(&self, cx: &App) -> bool {
 899        match self {
 900            DirectoryLister::Local(..) => true,
 901            DirectoryLister::Project(project) => project.read(cx).is_local(),
 902        }
 903    }
 904
 905    pub fn resolve_tilde<'a>(&self, path: &'a String, cx: &App) -> Cow<'a, str> {
 906        if self.is_local(cx) {
 907            shellexpand::tilde(path)
 908        } else {
 909            Cow::from(path)
 910        }
 911    }
 912
 913    pub fn default_query(&self, cx: &mut App) -> String {
 914        let project = match self {
 915            DirectoryLister::Project(project) => project,
 916            DirectoryLister::Local(project, _) => project,
 917        }
 918        .read(cx);
 919        let path_style = project.path_style(cx);
 920        project
 921            .visible_worktrees(cx)
 922            .next()
 923            .map(|worktree| worktree.read(cx).abs_path().to_string_lossy().into_owned())
 924            .or_else(|| std::env::home_dir().map(|dir| dir.to_string_lossy().into_owned()))
 925            .map(|mut s| {
 926                s.push_str(path_style.separator());
 927                s
 928            })
 929            .unwrap_or_else(|| {
 930                if path_style.is_windows() {
 931                    "C:\\"
 932                } else {
 933                    "~/"
 934                }
 935                .to_string()
 936            })
 937    }
 938
 939    pub fn list_directory(&self, path: String, cx: &mut App) -> Task<Result<Vec<DirectoryItem>>> {
 940        match self {
 941            DirectoryLister::Project(project) => {
 942                project.update(cx, |project, cx| project.list_directory(path, cx))
 943            }
 944            DirectoryLister::Local(_, fs) => {
 945                let fs = fs.clone();
 946                cx.background_spawn(async move {
 947                    let mut results = vec![];
 948                    let expanded = shellexpand::tilde(&path);
 949                    let query = Path::new(expanded.as_ref());
 950                    let mut response = fs.read_dir(query).await?;
 951                    while let Some(path) = response.next().await {
 952                        let path = path?;
 953                        if let Some(file_name) = path.file_name() {
 954                            results.push(DirectoryItem {
 955                                path: PathBuf::from(file_name.to_os_string()),
 956                                is_dir: fs.is_dir(&path).await,
 957                            });
 958                        }
 959                    }
 960                    Ok(results)
 961                })
 962            }
 963        }
 964    }
 965}
 966
 967#[cfg(any(test, feature = "test-support"))]
 968pub const DEFAULT_COMPLETION_CONTEXT: CompletionContext = CompletionContext {
 969    trigger_kind: lsp::CompletionTriggerKind::INVOKED,
 970    trigger_character: None,
 971};
 972
 973/// An LSP diagnostics associated with a certain language server.
 974#[derive(Clone, Debug, Default)]
 975pub enum LspPullDiagnostics {
 976    #[default]
 977    Default,
 978    Response {
 979        /// The id of the language server that produced diagnostics.
 980        server_id: LanguageServerId,
 981        /// URI of the resource,
 982        uri: lsp::Uri,
 983        /// The diagnostics produced by this language server.
 984        diagnostics: PulledDiagnostics,
 985    },
 986}
 987
 988#[derive(Clone, Debug)]
 989pub enum PulledDiagnostics {
 990    Unchanged {
 991        /// An ID the current pulled batch for this file.
 992        /// If given, can be used to query workspace diagnostics partially.
 993        result_id: String,
 994    },
 995    Changed {
 996        result_id: Option<String>,
 997        diagnostics: Vec<lsp::Diagnostic>,
 998    },
 999}
1000
1001/// Whether to disable all AI features in Zed.
1002///
1003/// Default: false
1004#[derive(Copy, Clone, Debug)]
1005pub struct DisableAiSettings {
1006    pub disable_ai: bool,
1007}
1008
1009impl settings::Settings for DisableAiSettings {
1010    fn from_settings(content: &settings::SettingsContent) -> Self {
1011        Self {
1012            disable_ai: content.disable_ai.unwrap().0,
1013        }
1014    }
1015}
1016
1017impl Project {
1018    pub fn init_settings(cx: &mut App) {
1019        WorktreeSettings::register(cx);
1020        ProjectSettings::register(cx);
1021        DisableAiSettings::register(cx);
1022        AllAgentServersSettings::register(cx);
1023    }
1024
1025    pub fn init(client: &Arc<Client>, cx: &mut App) {
1026        connection_manager::init(client.clone(), cx);
1027        Self::init_settings(cx);
1028
1029        let client: AnyProtoClient = client.clone().into();
1030        client.add_entity_message_handler(Self::handle_add_collaborator);
1031        client.add_entity_message_handler(Self::handle_update_project_collaborator);
1032        client.add_entity_message_handler(Self::handle_remove_collaborator);
1033        client.add_entity_message_handler(Self::handle_update_project);
1034        client.add_entity_message_handler(Self::handle_unshare_project);
1035        client.add_entity_request_handler(Self::handle_update_buffer);
1036        client.add_entity_message_handler(Self::handle_update_worktree);
1037        client.add_entity_request_handler(Self::handle_synchronize_buffers);
1038
1039        client.add_entity_request_handler(Self::handle_search_candidate_buffers);
1040        client.add_entity_request_handler(Self::handle_open_buffer_by_id);
1041        client.add_entity_request_handler(Self::handle_open_buffer_by_path);
1042        client.add_entity_request_handler(Self::handle_open_new_buffer);
1043        client.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1044        client.add_entity_message_handler(Self::handle_toggle_lsp_logs);
1045
1046        WorktreeStore::init(&client);
1047        BufferStore::init(&client);
1048        LspStore::init(&client);
1049        GitStore::init(&client);
1050        SettingsObserver::init(&client);
1051        TaskStore::init(Some(&client));
1052        ToolchainStore::init(&client);
1053        DapStore::init(&client, cx);
1054        BreakpointStore::init(&client);
1055        context_server_store::init(cx);
1056    }
1057
1058    pub fn local(
1059        client: Arc<Client>,
1060        node: NodeRuntime,
1061        user_store: Entity<UserStore>,
1062        languages: Arc<LanguageRegistry>,
1063        fs: Arc<dyn Fs>,
1064        env: Option<HashMap<String, String>>,
1065        cx: &mut App,
1066    ) -> Entity<Self> {
1067        cx.new(|cx: &mut Context<Self>| {
1068            let (tx, rx) = mpsc::unbounded();
1069            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1070                .detach();
1071            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1072            let worktree_store = cx.new(|_| WorktreeStore::local(false, fs.clone()));
1073            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1074                .detach();
1075
1076            let weak_self = cx.weak_entity();
1077            let context_server_store =
1078                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), weak_self, cx));
1079
1080            let environment = cx.new(|cx| ProjectEnvironment::new(env, cx));
1081            let manifest_tree = ManifestTree::new(worktree_store.clone(), cx);
1082            let toolchain_store = cx.new(|cx| {
1083                ToolchainStore::local(
1084                    languages.clone(),
1085                    worktree_store.clone(),
1086                    environment.clone(),
1087                    manifest_tree.clone(),
1088                    fs.clone(),
1089                    cx,
1090                )
1091            });
1092
1093            let buffer_store = cx.new(|cx| BufferStore::local(worktree_store.clone(), cx));
1094            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1095                .detach();
1096
1097            let breakpoint_store =
1098                cx.new(|_| BreakpointStore::local(worktree_store.clone(), buffer_store.clone()));
1099
1100            let dap_store = cx.new(|cx| {
1101                DapStore::new_local(
1102                    client.http_client(),
1103                    node.clone(),
1104                    fs.clone(),
1105                    environment.clone(),
1106                    toolchain_store.read(cx).as_language_toolchain_store(),
1107                    worktree_store.clone(),
1108                    breakpoint_store.clone(),
1109                    false,
1110                    cx,
1111                )
1112            });
1113            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1114
1115            let image_store = cx.new(|cx| ImageStore::local(worktree_store.clone(), cx));
1116            cx.subscribe(&image_store, Self::on_image_store_event)
1117                .detach();
1118
1119            let prettier_store = cx.new(|cx| {
1120                PrettierStore::new(
1121                    node.clone(),
1122                    fs.clone(),
1123                    languages.clone(),
1124                    worktree_store.clone(),
1125                    cx,
1126                )
1127            });
1128
1129            let task_store = cx.new(|cx| {
1130                TaskStore::local(
1131                    buffer_store.downgrade(),
1132                    worktree_store.clone(),
1133                    toolchain_store.read(cx).as_language_toolchain_store(),
1134                    environment.clone(),
1135                    cx,
1136                )
1137            });
1138
1139            let settings_observer = cx.new(|cx| {
1140                SettingsObserver::new_local(
1141                    fs.clone(),
1142                    worktree_store.clone(),
1143                    task_store.clone(),
1144                    cx,
1145                )
1146            });
1147            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1148                .detach();
1149
1150            let lsp_store = cx.new(|cx| {
1151                LspStore::new_local(
1152                    buffer_store.clone(),
1153                    worktree_store.clone(),
1154                    prettier_store.clone(),
1155                    toolchain_store
1156                        .read(cx)
1157                        .as_local_store()
1158                        .expect("Toolchain store to be local")
1159                        .clone(),
1160                    environment.clone(),
1161                    manifest_tree,
1162                    languages.clone(),
1163                    client.http_client(),
1164                    fs.clone(),
1165                    cx,
1166                )
1167            });
1168
1169            let git_store = cx.new(|cx| {
1170                GitStore::local(
1171                    &worktree_store,
1172                    buffer_store.clone(),
1173                    environment.clone(),
1174                    fs.clone(),
1175                    cx,
1176                )
1177            });
1178
1179            let agent_server_store = cx.new(|cx| {
1180                AgentServerStore::local(
1181                    node.clone(),
1182                    fs.clone(),
1183                    environment.clone(),
1184                    client.http_client(),
1185                    cx,
1186                )
1187            });
1188
1189            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1190
1191            Self {
1192                buffer_ordered_messages_tx: tx,
1193                collaborators: Default::default(),
1194                worktree_store,
1195                buffer_store,
1196                image_store,
1197                lsp_store,
1198                context_server_store,
1199                join_project_response_message_id: 0,
1200                client_state: ProjectClientState::Local,
1201                git_store,
1202                client_subscriptions: Vec::new(),
1203                _subscriptions: vec![cx.on_release(Self::release)],
1204                active_entry: None,
1205                snippets,
1206                languages,
1207                collab_client: client,
1208                task_store,
1209                user_store,
1210                settings_observer,
1211                fs,
1212                remote_client: None,
1213                breakpoint_store,
1214                dap_store,
1215                agent_server_store,
1216
1217                buffers_needing_diff: Default::default(),
1218                git_diff_debouncer: DebouncedDelay::new(),
1219                terminals: Terminals {
1220                    local_handles: Vec::new(),
1221                },
1222                node: Some(node),
1223                search_history: Self::new_search_history(),
1224                environment,
1225                remotely_created_models: Default::default(),
1226
1227                search_included_history: Self::new_search_history(),
1228                search_excluded_history: Self::new_search_history(),
1229
1230                toolchain_store: Some(toolchain_store),
1231
1232                agent_location: None,
1233                encoding_options: EncodingOptions::default(),
1234            }
1235        })
1236    }
1237
1238    pub fn remote(
1239        remote: Entity<RemoteClient>,
1240        client: Arc<Client>,
1241        node: NodeRuntime,
1242        user_store: Entity<UserStore>,
1243        languages: Arc<LanguageRegistry>,
1244        fs: Arc<dyn Fs>,
1245        cx: &mut App,
1246    ) -> Entity<Self> {
1247        cx.new(|cx: &mut Context<Self>| {
1248            let (tx, rx) = mpsc::unbounded();
1249            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1250                .detach();
1251            let global_snippets_dir = paths::snippets_dir().to_owned();
1252            let snippets =
1253                SnippetProvider::new(fs.clone(), BTreeSet::from_iter([global_snippets_dir]), cx);
1254
1255            let (remote_proto, path_style) =
1256                remote.read_with(cx, |remote, _| (remote.proto_client(), remote.path_style()));
1257            let worktree_store = cx.new(|_| {
1258                WorktreeStore::remote(
1259                    false,
1260                    remote_proto.clone(),
1261                    REMOTE_SERVER_PROJECT_ID,
1262                    path_style,
1263                )
1264            });
1265            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1266                .detach();
1267
1268            let weak_self = cx.weak_entity();
1269            let context_server_store =
1270                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), weak_self, cx));
1271
1272            let buffer_store = cx.new(|cx| {
1273                BufferStore::remote(
1274                    worktree_store.clone(),
1275                    remote.read(cx).proto_client(),
1276                    REMOTE_SERVER_PROJECT_ID,
1277                    cx,
1278                )
1279            });
1280            let image_store = cx.new(|cx| {
1281                ImageStore::remote(
1282                    worktree_store.clone(),
1283                    remote.read(cx).proto_client(),
1284                    REMOTE_SERVER_PROJECT_ID,
1285                    cx,
1286                )
1287            });
1288            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1289                .detach();
1290            let toolchain_store = cx.new(|cx| {
1291                ToolchainStore::remote(REMOTE_SERVER_PROJECT_ID, remote.read(cx).proto_client(), cx)
1292            });
1293            let task_store = cx.new(|cx| {
1294                TaskStore::remote(
1295                    buffer_store.downgrade(),
1296                    worktree_store.clone(),
1297                    toolchain_store.read(cx).as_language_toolchain_store(),
1298                    remote.read(cx).proto_client(),
1299                    REMOTE_SERVER_PROJECT_ID,
1300                    cx,
1301                )
1302            });
1303
1304            let settings_observer = cx.new(|cx| {
1305                SettingsObserver::new_remote(
1306                    fs.clone(),
1307                    worktree_store.clone(),
1308                    task_store.clone(),
1309                    Some(remote_proto.clone()),
1310                    cx,
1311                )
1312            });
1313            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1314                .detach();
1315
1316            let environment = cx.new(|cx| ProjectEnvironment::new(None, cx));
1317
1318            let lsp_store = cx.new(|cx| {
1319                LspStore::new_remote(
1320                    buffer_store.clone(),
1321                    worktree_store.clone(),
1322                    languages.clone(),
1323                    remote_proto.clone(),
1324                    REMOTE_SERVER_PROJECT_ID,
1325                    cx,
1326                )
1327            });
1328            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1329
1330            let breakpoint_store =
1331                cx.new(|_| BreakpointStore::remote(REMOTE_SERVER_PROJECT_ID, remote_proto.clone()));
1332
1333            let dap_store = cx.new(|cx| {
1334                DapStore::new_remote(
1335                    REMOTE_SERVER_PROJECT_ID,
1336                    remote.clone(),
1337                    breakpoint_store.clone(),
1338                    worktree_store.clone(),
1339                    node.clone(),
1340                    client.http_client(),
1341                    fs.clone(),
1342                    cx,
1343                )
1344            });
1345
1346            let git_store = cx.new(|cx| {
1347                GitStore::remote(
1348                    &worktree_store,
1349                    buffer_store.clone(),
1350                    remote_proto.clone(),
1351                    REMOTE_SERVER_PROJECT_ID,
1352                    cx,
1353                )
1354            });
1355
1356            let agent_server_store =
1357                cx.new(|_| AgentServerStore::remote(REMOTE_SERVER_PROJECT_ID, remote.clone()));
1358
1359            cx.subscribe(&remote, Self::on_remote_client_event).detach();
1360
1361            let this = Self {
1362                buffer_ordered_messages_tx: tx,
1363                collaborators: Default::default(),
1364                worktree_store,
1365                buffer_store,
1366                image_store,
1367                lsp_store,
1368                context_server_store,
1369                breakpoint_store,
1370                dap_store,
1371                join_project_response_message_id: 0,
1372                client_state: ProjectClientState::Local,
1373                git_store,
1374                agent_server_store,
1375                client_subscriptions: Vec::new(),
1376                _subscriptions: vec![
1377                    cx.on_release(Self::release),
1378                    cx.on_app_quit(|this, cx| {
1379                        let shutdown = this.remote_client.take().and_then(|client| {
1380                            client.update(cx, |client, cx| {
1381                                client.shutdown_processes(
1382                                    Some(proto::ShutdownRemoteServer {}),
1383                                    cx.background_executor().clone(),
1384                                )
1385                            })
1386                        });
1387
1388                        cx.background_executor().spawn(async move {
1389                            if let Some(shutdown) = shutdown {
1390                                shutdown.await;
1391                            }
1392                        })
1393                    }),
1394                ],
1395                active_entry: None,
1396                snippets,
1397                languages,
1398                collab_client: client,
1399                task_store,
1400                user_store,
1401                settings_observer,
1402                fs,
1403                remote_client: Some(remote.clone()),
1404                buffers_needing_diff: Default::default(),
1405                git_diff_debouncer: DebouncedDelay::new(),
1406                terminals: Terminals {
1407                    local_handles: Vec::new(),
1408                },
1409                node: Some(node),
1410                search_history: Self::new_search_history(),
1411                environment,
1412                remotely_created_models: Default::default(),
1413
1414                search_included_history: Self::new_search_history(),
1415                search_excluded_history: Self::new_search_history(),
1416
1417                toolchain_store: Some(toolchain_store),
1418                agent_location: None,
1419                encoding_options: EncodingOptions::default(),
1420            };
1421
1422            // remote server -> local machine handlers
1423            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &cx.entity());
1424            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.buffer_store);
1425            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.worktree_store);
1426            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.lsp_store);
1427            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.dap_store);
1428            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.settings_observer);
1429            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.git_store);
1430            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.agent_server_store);
1431
1432            remote_proto.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1433            remote_proto.add_entity_message_handler(Self::handle_update_worktree);
1434            remote_proto.add_entity_message_handler(Self::handle_update_project);
1435            remote_proto.add_entity_message_handler(Self::handle_toast);
1436            remote_proto.add_entity_request_handler(Self::handle_language_server_prompt_request);
1437            remote_proto.add_entity_message_handler(Self::handle_hide_toast);
1438            remote_proto.add_entity_request_handler(Self::handle_update_buffer_from_remote_server);
1439            BufferStore::init(&remote_proto);
1440            LspStore::init(&remote_proto);
1441            SettingsObserver::init(&remote_proto);
1442            TaskStore::init(Some(&remote_proto));
1443            ToolchainStore::init(&remote_proto);
1444            DapStore::init(&remote_proto, cx);
1445            GitStore::init(&remote_proto);
1446            AgentServerStore::init_remote(&remote_proto);
1447
1448            this
1449        })
1450    }
1451
1452    pub async fn in_room(
1453        remote_id: u64,
1454        client: Arc<Client>,
1455        user_store: Entity<UserStore>,
1456        languages: Arc<LanguageRegistry>,
1457        fs: Arc<dyn Fs>,
1458        cx: AsyncApp,
1459    ) -> Result<Entity<Self>> {
1460        client.connect(true, &cx).await.into_response()?;
1461
1462        let subscriptions = [
1463            EntitySubscription::Project(client.subscribe_to_entity::<Self>(remote_id)?),
1464            EntitySubscription::BufferStore(client.subscribe_to_entity::<BufferStore>(remote_id)?),
1465            EntitySubscription::GitStore(client.subscribe_to_entity::<GitStore>(remote_id)?),
1466            EntitySubscription::WorktreeStore(
1467                client.subscribe_to_entity::<WorktreeStore>(remote_id)?,
1468            ),
1469            EntitySubscription::LspStore(client.subscribe_to_entity::<LspStore>(remote_id)?),
1470            EntitySubscription::SettingsObserver(
1471                client.subscribe_to_entity::<SettingsObserver>(remote_id)?,
1472            ),
1473            EntitySubscription::DapStore(client.subscribe_to_entity::<DapStore>(remote_id)?),
1474        ];
1475        let committer = get_git_committer(&cx).await;
1476        let response = client
1477            .request_envelope(proto::JoinProject {
1478                project_id: remote_id,
1479                committer_email: committer.email,
1480                committer_name: committer.name,
1481            })
1482            .await?;
1483        Self::from_join_project_response(
1484            response,
1485            subscriptions,
1486            client,
1487            false,
1488            user_store,
1489            languages,
1490            fs,
1491            cx,
1492        )
1493        .await
1494    }
1495
1496    async fn from_join_project_response(
1497        response: TypedEnvelope<proto::JoinProjectResponse>,
1498        subscriptions: [EntitySubscription; 7],
1499        client: Arc<Client>,
1500        run_tasks: bool,
1501        user_store: Entity<UserStore>,
1502        languages: Arc<LanguageRegistry>,
1503        fs: Arc<dyn Fs>,
1504        mut cx: AsyncApp,
1505    ) -> Result<Entity<Self>> {
1506        let remote_id = response.payload.project_id;
1507        let role = response.payload.role();
1508
1509        let path_style = if response.payload.windows_paths {
1510            PathStyle::Windows
1511        } else {
1512            PathStyle::Posix
1513        };
1514
1515        let worktree_store = cx.new(|_| {
1516            WorktreeStore::remote(
1517                true,
1518                client.clone().into(),
1519                response.payload.project_id,
1520                path_style,
1521            )
1522        })?;
1523        let buffer_store = cx.new(|cx| {
1524            BufferStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1525        })?;
1526        let image_store = cx.new(|cx| {
1527            ImageStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1528        })?;
1529
1530        let environment = cx.new(|cx| ProjectEnvironment::new(None, cx))?;
1531
1532        let breakpoint_store =
1533            cx.new(|_| BreakpointStore::remote(remote_id, client.clone().into()))?;
1534        let dap_store = cx.new(|cx| {
1535            DapStore::new_collab(
1536                remote_id,
1537                client.clone().into(),
1538                breakpoint_store.clone(),
1539                worktree_store.clone(),
1540                fs.clone(),
1541                cx,
1542            )
1543        })?;
1544
1545        let lsp_store = cx.new(|cx| {
1546            LspStore::new_remote(
1547                buffer_store.clone(),
1548                worktree_store.clone(),
1549                languages.clone(),
1550                client.clone().into(),
1551                remote_id,
1552                cx,
1553            )
1554        })?;
1555
1556        let task_store = cx.new(|cx| {
1557            if run_tasks {
1558                TaskStore::remote(
1559                    buffer_store.downgrade(),
1560                    worktree_store.clone(),
1561                    Arc::new(EmptyToolchainStore),
1562                    client.clone().into(),
1563                    remote_id,
1564                    cx,
1565                )
1566            } else {
1567                TaskStore::Noop
1568            }
1569        })?;
1570
1571        let settings_observer = cx.new(|cx| {
1572            SettingsObserver::new_remote(
1573                fs.clone(),
1574                worktree_store.clone(),
1575                task_store.clone(),
1576                None,
1577                cx,
1578            )
1579        })?;
1580
1581        let git_store = cx.new(|cx| {
1582            GitStore::remote(
1583                // In this remote case we pass None for the environment
1584                &worktree_store,
1585                buffer_store.clone(),
1586                client.clone().into(),
1587                remote_id,
1588                cx,
1589            )
1590        })?;
1591
1592        let agent_server_store = cx.new(|cx| AgentServerStore::collab(cx))?;
1593        let replica_id = ReplicaId::new(response.payload.replica_id as u16);
1594
1595        let project = cx.new(|cx| {
1596            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1597
1598            let weak_self = cx.weak_entity();
1599            let context_server_store =
1600                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), weak_self, cx));
1601
1602            let mut worktrees = Vec::new();
1603            for worktree in response.payload.worktrees {
1604                let worktree = Worktree::remote(
1605                    remote_id,
1606                    replica_id,
1607                    worktree,
1608                    client.clone().into(),
1609                    path_style,
1610                    cx,
1611                );
1612                worktrees.push(worktree);
1613            }
1614
1615            let (tx, rx) = mpsc::unbounded();
1616            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1617                .detach();
1618
1619            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1620                .detach();
1621
1622            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1623                .detach();
1624            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1625            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1626                .detach();
1627
1628            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1629
1630            let mut project = Self {
1631                buffer_ordered_messages_tx: tx,
1632                buffer_store: buffer_store.clone(),
1633                image_store,
1634                worktree_store: worktree_store.clone(),
1635                lsp_store: lsp_store.clone(),
1636                context_server_store,
1637                active_entry: None,
1638                collaborators: Default::default(),
1639                join_project_response_message_id: response.message_id,
1640                languages,
1641                user_store: user_store.clone(),
1642                task_store,
1643                snippets,
1644                fs,
1645                remote_client: None,
1646                settings_observer: settings_observer.clone(),
1647                client_subscriptions: Default::default(),
1648                _subscriptions: vec![cx.on_release(Self::release)],
1649                collab_client: client.clone(),
1650                client_state: ProjectClientState::Remote {
1651                    sharing_has_stopped: false,
1652                    capability: Capability::ReadWrite,
1653                    remote_id,
1654                    replica_id,
1655                },
1656                breakpoint_store,
1657                dap_store: dap_store.clone(),
1658                git_store: git_store.clone(),
1659                agent_server_store,
1660                buffers_needing_diff: Default::default(),
1661                git_diff_debouncer: DebouncedDelay::new(),
1662                terminals: Terminals {
1663                    local_handles: Vec::new(),
1664                },
1665                node: None,
1666                search_history: Self::new_search_history(),
1667                search_included_history: Self::new_search_history(),
1668                search_excluded_history: Self::new_search_history(),
1669                environment,
1670                remotely_created_models: Arc::new(Mutex::new(RemotelyCreatedModels::default())),
1671                toolchain_store: None,
1672                agent_location: None,
1673                encoding_options: EncodingOptions::default(),
1674            };
1675
1676            project.set_role(role, cx);
1677            for worktree in worktrees {
1678                project.add_worktree(&worktree, cx);
1679            }
1680            project
1681        })?;
1682
1683        let weak_project = project.downgrade();
1684        lsp_store
1685            .update(&mut cx, |lsp_store, cx| {
1686                lsp_store.set_language_server_statuses_from_proto(
1687                    weak_project,
1688                    response.payload.language_servers,
1689                    response.payload.language_server_capabilities,
1690                    cx,
1691                );
1692            })
1693            .ok();
1694
1695        let subscriptions = subscriptions
1696            .into_iter()
1697            .map(|s| match s {
1698                EntitySubscription::BufferStore(subscription) => {
1699                    subscription.set_entity(&buffer_store, &cx)
1700                }
1701                EntitySubscription::WorktreeStore(subscription) => {
1702                    subscription.set_entity(&worktree_store, &cx)
1703                }
1704                EntitySubscription::GitStore(subscription) => {
1705                    subscription.set_entity(&git_store, &cx)
1706                }
1707                EntitySubscription::SettingsObserver(subscription) => {
1708                    subscription.set_entity(&settings_observer, &cx)
1709                }
1710                EntitySubscription::Project(subscription) => subscription.set_entity(&project, &cx),
1711                EntitySubscription::LspStore(subscription) => {
1712                    subscription.set_entity(&lsp_store, &cx)
1713                }
1714                EntitySubscription::DapStore(subscription) => {
1715                    subscription.set_entity(&dap_store, &cx)
1716                }
1717            })
1718            .collect::<Vec<_>>();
1719
1720        let user_ids = response
1721            .payload
1722            .collaborators
1723            .iter()
1724            .map(|peer| peer.user_id)
1725            .collect();
1726        user_store
1727            .update(&mut cx, |user_store, cx| user_store.get_users(user_ids, cx))?
1728            .await?;
1729
1730        project.update(&mut cx, |this, cx| {
1731            this.set_collaborators_from_proto(response.payload.collaborators, cx)?;
1732            this.client_subscriptions.extend(subscriptions);
1733            anyhow::Ok(())
1734        })??;
1735
1736        Ok(project)
1737    }
1738
1739    fn new_search_history() -> SearchHistory {
1740        SearchHistory::new(
1741            Some(MAX_PROJECT_SEARCH_HISTORY_SIZE),
1742            search_history::QueryInsertionBehavior::AlwaysInsert,
1743        )
1744    }
1745
1746    fn release(&mut self, cx: &mut App) {
1747        if let Some(client) = self.remote_client.take() {
1748            let shutdown = client.update(cx, |client, cx| {
1749                client.shutdown_processes(
1750                    Some(proto::ShutdownRemoteServer {}),
1751                    cx.background_executor().clone(),
1752                )
1753            });
1754
1755            cx.background_spawn(async move {
1756                if let Some(shutdown) = shutdown {
1757                    shutdown.await;
1758                }
1759            })
1760            .detach()
1761        }
1762
1763        match &self.client_state {
1764            ProjectClientState::Local => {}
1765            ProjectClientState::Shared { .. } => {
1766                let _ = self.unshare_internal(cx);
1767            }
1768            ProjectClientState::Remote { remote_id, .. } => {
1769                let _ = self.collab_client.send(proto::LeaveProject {
1770                    project_id: *remote_id,
1771                });
1772                self.disconnected_from_host_internal(cx);
1773            }
1774        }
1775    }
1776
1777    #[cfg(any(test, feature = "test-support"))]
1778    pub async fn example(
1779        root_paths: impl IntoIterator<Item = &Path>,
1780        cx: &mut AsyncApp,
1781    ) -> Entity<Project> {
1782        use clock::FakeSystemClock;
1783
1784        let fs = Arc::new(RealFs::new(None, cx.background_executor().clone()));
1785        let languages = LanguageRegistry::test(cx.background_executor().clone());
1786        let clock = Arc::new(FakeSystemClock::new());
1787        let http_client = http_client::FakeHttpClient::with_404_response();
1788        let client = cx
1789            .update(|cx| client::Client::new(clock, http_client.clone(), cx))
1790            .unwrap();
1791        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx)).unwrap();
1792        let project = cx
1793            .update(|cx| {
1794                Project::local(
1795                    client,
1796                    node_runtime::NodeRuntime::unavailable(),
1797                    user_store,
1798                    Arc::new(languages),
1799                    fs,
1800                    None,
1801                    cx,
1802                )
1803            })
1804            .unwrap();
1805        for path in root_paths {
1806            let (tree, _) = project
1807                .update(cx, |project, cx| {
1808                    project.find_or_create_worktree(path, true, cx)
1809                })
1810                .unwrap()
1811                .await
1812                .unwrap();
1813            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
1814                .unwrap()
1815                .await;
1816        }
1817        project
1818    }
1819
1820    #[cfg(any(test, feature = "test-support"))]
1821    pub async fn test(
1822        fs: Arc<dyn Fs>,
1823        root_paths: impl IntoIterator<Item = &Path>,
1824        cx: &mut gpui::TestAppContext,
1825    ) -> Entity<Project> {
1826        use clock::FakeSystemClock;
1827
1828        let languages = LanguageRegistry::test(cx.executor());
1829        let clock = Arc::new(FakeSystemClock::new());
1830        let http_client = http_client::FakeHttpClient::with_404_response();
1831        let client = cx.update(|cx| client::Client::new(clock, http_client.clone(), cx));
1832        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
1833        let project = cx.update(|cx| {
1834            Project::local(
1835                client,
1836                node_runtime::NodeRuntime::unavailable(),
1837                user_store,
1838                Arc::new(languages),
1839                fs,
1840                None,
1841                cx,
1842            )
1843        });
1844        for path in root_paths {
1845            let (tree, _) = project
1846                .update(cx, |project, cx| {
1847                    project.find_or_create_worktree(path, true, cx)
1848                })
1849                .await
1850                .unwrap();
1851
1852            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
1853                .await;
1854        }
1855        project
1856    }
1857
1858    #[inline]
1859    pub fn dap_store(&self) -> Entity<DapStore> {
1860        self.dap_store.clone()
1861    }
1862
1863    #[inline]
1864    pub fn breakpoint_store(&self) -> Entity<BreakpointStore> {
1865        self.breakpoint_store.clone()
1866    }
1867
1868    pub fn active_debug_session(&self, cx: &App) -> Option<(Entity<Session>, ActiveStackFrame)> {
1869        let active_position = self.breakpoint_store.read(cx).active_position()?;
1870        let session = self
1871            .dap_store
1872            .read(cx)
1873            .session_by_id(active_position.session_id)?;
1874        Some((session, active_position.clone()))
1875    }
1876
1877    #[inline]
1878    pub fn lsp_store(&self) -> Entity<LspStore> {
1879        self.lsp_store.clone()
1880    }
1881
1882    #[inline]
1883    pub fn worktree_store(&self) -> Entity<WorktreeStore> {
1884        self.worktree_store.clone()
1885    }
1886
1887    #[inline]
1888    pub fn context_server_store(&self) -> Entity<ContextServerStore> {
1889        self.context_server_store.clone()
1890    }
1891
1892    #[inline]
1893    pub fn buffer_for_id(&self, remote_id: BufferId, cx: &App) -> Option<Entity<Buffer>> {
1894        self.buffer_store.read(cx).get(remote_id)
1895    }
1896
1897    #[inline]
1898    pub fn languages(&self) -> &Arc<LanguageRegistry> {
1899        &self.languages
1900    }
1901
1902    #[inline]
1903    pub fn client(&self) -> Arc<Client> {
1904        self.collab_client.clone()
1905    }
1906
1907    #[inline]
1908    pub fn remote_client(&self) -> Option<Entity<RemoteClient>> {
1909        self.remote_client.clone()
1910    }
1911
1912    #[inline]
1913    pub fn user_store(&self) -> Entity<UserStore> {
1914        self.user_store.clone()
1915    }
1916
1917    #[inline]
1918    pub fn node_runtime(&self) -> Option<&NodeRuntime> {
1919        self.node.as_ref()
1920    }
1921
1922    #[inline]
1923    pub fn opened_buffers(&self, cx: &App) -> Vec<Entity<Buffer>> {
1924        self.buffer_store.read(cx).buffers().collect()
1925    }
1926
1927    #[inline]
1928    pub fn environment(&self) -> &Entity<ProjectEnvironment> {
1929        &self.environment
1930    }
1931
1932    #[inline]
1933    pub fn cli_environment(&self, cx: &App) -> Option<HashMap<String, String>> {
1934        self.environment.read(cx).get_cli_environment()
1935    }
1936
1937    pub fn buffer_environment<'a>(
1938        &'a self,
1939        buffer: &Entity<Buffer>,
1940        worktree_store: &Entity<WorktreeStore>,
1941        cx: &'a mut App,
1942    ) -> Shared<Task<Option<HashMap<String, String>>>> {
1943        self.environment.update(cx, |environment, cx| {
1944            environment.get_buffer_environment(buffer, worktree_store, cx)
1945        })
1946    }
1947
1948    pub fn directory_environment(
1949        &self,
1950        shell: &Shell,
1951        abs_path: Arc<Path>,
1952        cx: &mut App,
1953    ) -> Shared<Task<Option<HashMap<String, String>>>> {
1954        self.environment.update(cx, |environment, cx| {
1955            if let Some(remote_client) = self.remote_client.clone() {
1956                environment.get_remote_directory_environment(shell, abs_path, remote_client, cx)
1957            } else {
1958                environment.get_local_directory_environment(shell, abs_path, cx)
1959            }
1960        })
1961    }
1962
1963    #[inline]
1964    pub fn peek_environment_error<'a>(&'a self, cx: &'a App) -> Option<&'a String> {
1965        self.environment.read(cx).peek_environment_error()
1966    }
1967
1968    #[inline]
1969    pub fn pop_environment_error(&mut self, cx: &mut Context<Self>) {
1970        self.environment.update(cx, |environment, _| {
1971            environment.pop_environment_error();
1972        });
1973    }
1974
1975    #[cfg(any(test, feature = "test-support"))]
1976    #[inline]
1977    pub fn has_open_buffer(&self, path: impl Into<ProjectPath>, cx: &App) -> bool {
1978        self.buffer_store
1979            .read(cx)
1980            .get_by_path(&path.into())
1981            .is_some()
1982    }
1983
1984    #[inline]
1985    pub fn fs(&self) -> &Arc<dyn Fs> {
1986        &self.fs
1987    }
1988
1989    #[inline]
1990    pub fn remote_id(&self) -> Option<u64> {
1991        match self.client_state {
1992            ProjectClientState::Local => None,
1993            ProjectClientState::Shared { remote_id, .. }
1994            | ProjectClientState::Remote { remote_id, .. } => Some(remote_id),
1995        }
1996    }
1997
1998    #[inline]
1999    pub fn supports_terminal(&self, _cx: &App) -> bool {
2000        if self.is_local() {
2001            return true;
2002        }
2003        if self.is_via_remote_server() {
2004            return true;
2005        }
2006
2007        false
2008    }
2009
2010    #[inline]
2011    pub fn remote_connection_state(&self, cx: &App) -> Option<remote::ConnectionState> {
2012        self.remote_client
2013            .as_ref()
2014            .map(|remote| remote.read(cx).connection_state())
2015    }
2016
2017    #[inline]
2018    pub fn remote_connection_options(&self, cx: &App) -> Option<RemoteConnectionOptions> {
2019        self.remote_client
2020            .as_ref()
2021            .map(|remote| remote.read(cx).connection_options())
2022    }
2023
2024    #[inline]
2025    pub fn replica_id(&self) -> ReplicaId {
2026        match self.client_state {
2027            ProjectClientState::Remote { replica_id, .. } => replica_id,
2028            _ => {
2029                if self.remote_client.is_some() {
2030                    ReplicaId::REMOTE_SERVER
2031                } else {
2032                    ReplicaId::LOCAL
2033                }
2034            }
2035        }
2036    }
2037
2038    #[inline]
2039    pub fn task_store(&self) -> &Entity<TaskStore> {
2040        &self.task_store
2041    }
2042
2043    #[inline]
2044    pub fn snippets(&self) -> &Entity<SnippetProvider> {
2045        &self.snippets
2046    }
2047
2048    #[inline]
2049    pub fn search_history(&self, kind: SearchInputKind) -> &SearchHistory {
2050        match kind {
2051            SearchInputKind::Query => &self.search_history,
2052            SearchInputKind::Include => &self.search_included_history,
2053            SearchInputKind::Exclude => &self.search_excluded_history,
2054        }
2055    }
2056
2057    #[inline]
2058    pub fn search_history_mut(&mut self, kind: SearchInputKind) -> &mut SearchHistory {
2059        match kind {
2060            SearchInputKind::Query => &mut self.search_history,
2061            SearchInputKind::Include => &mut self.search_included_history,
2062            SearchInputKind::Exclude => &mut self.search_excluded_history,
2063        }
2064    }
2065
2066    #[inline]
2067    pub fn collaborators(&self) -> &HashMap<proto::PeerId, Collaborator> {
2068        &self.collaborators
2069    }
2070
2071    #[inline]
2072    pub fn host(&self) -> Option<&Collaborator> {
2073        self.collaborators.values().find(|c| c.is_host)
2074    }
2075
2076    #[inline]
2077    pub fn set_worktrees_reordered(&mut self, worktrees_reordered: bool, cx: &mut App) {
2078        self.worktree_store.update(cx, |store, _| {
2079            store.set_worktrees_reordered(worktrees_reordered);
2080        });
2081    }
2082
2083    /// Collect all worktrees, including ones that don't appear in the project panel
2084    #[inline]
2085    pub fn worktrees<'a>(
2086        &self,
2087        cx: &'a App,
2088    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
2089        self.worktree_store.read(cx).worktrees()
2090    }
2091
2092    /// Collect all user-visible worktrees, the ones that appear in the project panel.
2093    #[inline]
2094    pub fn visible_worktrees<'a>(
2095        &'a self,
2096        cx: &'a App,
2097    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
2098        self.worktree_store.read(cx).visible_worktrees(cx)
2099    }
2100
2101    #[inline]
2102    pub fn worktree_for_root_name(&self, root_name: &str, cx: &App) -> Option<Entity<Worktree>> {
2103        self.visible_worktrees(cx)
2104            .find(|tree| tree.read(cx).root_name() == root_name)
2105    }
2106
2107    #[inline]
2108    pub fn worktree_root_names<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = &'a str> {
2109        self.visible_worktrees(cx)
2110            .map(|tree| tree.read(cx).root_name().as_unix_str())
2111    }
2112
2113    #[inline]
2114    pub fn worktree_for_id(&self, id: WorktreeId, cx: &App) -> Option<Entity<Worktree>> {
2115        self.worktree_store.read(cx).worktree_for_id(id, cx)
2116    }
2117
2118    pub fn worktree_for_entry(
2119        &self,
2120        entry_id: ProjectEntryId,
2121        cx: &App,
2122    ) -> Option<Entity<Worktree>> {
2123        self.worktree_store
2124            .read(cx)
2125            .worktree_for_entry(entry_id, cx)
2126    }
2127
2128    #[inline]
2129    pub fn worktree_id_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<WorktreeId> {
2130        self.worktree_for_entry(entry_id, cx)
2131            .map(|worktree| worktree.read(cx).id())
2132    }
2133
2134    /// Checks if the entry is the root of a worktree.
2135    #[inline]
2136    pub fn entry_is_worktree_root(&self, entry_id: ProjectEntryId, cx: &App) -> bool {
2137        self.worktree_for_entry(entry_id, cx)
2138            .map(|worktree| {
2139                worktree
2140                    .read(cx)
2141                    .root_entry()
2142                    .is_some_and(|e| e.id == entry_id)
2143            })
2144            .unwrap_or(false)
2145    }
2146
2147    #[inline]
2148    pub fn project_path_git_status(
2149        &self,
2150        project_path: &ProjectPath,
2151        cx: &App,
2152    ) -> Option<FileStatus> {
2153        self.git_store
2154            .read(cx)
2155            .project_path_git_status(project_path, cx)
2156    }
2157
2158    #[inline]
2159    pub fn visibility_for_paths(
2160        &self,
2161        paths: &[PathBuf],
2162        metadatas: &[Metadata],
2163        exclude_sub_dirs: bool,
2164        cx: &App,
2165    ) -> Option<bool> {
2166        paths
2167            .iter()
2168            .zip(metadatas)
2169            .map(|(path, metadata)| self.visibility_for_path(path, metadata, exclude_sub_dirs, cx))
2170            .max()
2171            .flatten()
2172    }
2173
2174    pub fn visibility_for_path(
2175        &self,
2176        path: &Path,
2177        metadata: &Metadata,
2178        exclude_sub_dirs: bool,
2179        cx: &App,
2180    ) -> Option<bool> {
2181        let path = SanitizedPath::new(path).as_path();
2182        self.worktrees(cx)
2183            .filter_map(|worktree| {
2184                let worktree = worktree.read(cx);
2185                let abs_path = worktree.as_local()?.abs_path();
2186                let contains = path == abs_path.as_ref()
2187                    || (path.starts_with(abs_path) && (!exclude_sub_dirs || !metadata.is_dir));
2188                contains.then(|| worktree.is_visible())
2189            })
2190            .max()
2191    }
2192
2193    pub fn create_entry(
2194        &mut self,
2195        project_path: impl Into<ProjectPath>,
2196        is_directory: bool,
2197        cx: &mut Context<Self>,
2198    ) -> Task<Result<CreatedEntry>> {
2199        let project_path = project_path.into();
2200        let Some(worktree) = self.worktree_for_id(project_path.worktree_id, cx) else {
2201            return Task::ready(Err(anyhow!(format!(
2202                "No worktree for path {project_path:?}"
2203            ))));
2204        };
2205        worktree.update(cx, |worktree, cx| {
2206            worktree.create_entry(project_path.path, is_directory, None, cx)
2207        })
2208    }
2209
2210    #[inline]
2211    pub fn copy_entry(
2212        &mut self,
2213        entry_id: ProjectEntryId,
2214        new_project_path: ProjectPath,
2215        cx: &mut Context<Self>,
2216    ) -> Task<Result<Option<Entry>>> {
2217        self.worktree_store.update(cx, |worktree_store, cx| {
2218            worktree_store.copy_entry(entry_id, new_project_path, cx)
2219        })
2220    }
2221
2222    /// Renames the project entry with given `entry_id`.
2223    ///
2224    /// `new_path` is a relative path to worktree root.
2225    /// If root entry is renamed then its new root name is used instead.
2226    pub fn rename_entry(
2227        &mut self,
2228        entry_id: ProjectEntryId,
2229        new_path: ProjectPath,
2230        cx: &mut Context<Self>,
2231    ) -> Task<Result<CreatedEntry>> {
2232        let worktree_store = self.worktree_store.clone();
2233        let Some((worktree, old_path, is_dir)) = worktree_store
2234            .read(cx)
2235            .worktree_and_entry_for_id(entry_id, cx)
2236            .map(|(worktree, entry)| (worktree, entry.path.clone(), entry.is_dir()))
2237        else {
2238            return Task::ready(Err(anyhow!(format!("No worktree for entry {entry_id:?}"))));
2239        };
2240
2241        let worktree_id = worktree.read(cx).id();
2242        let is_root_entry = self.entry_is_worktree_root(entry_id, cx);
2243
2244        let lsp_store = self.lsp_store().downgrade();
2245        cx.spawn(async move |project, cx| {
2246            let (old_abs_path, new_abs_path) = {
2247                let root_path = worktree.read_with(cx, |this, _| this.abs_path())?;
2248                let new_abs_path = if is_root_entry {
2249                    root_path
2250                        .parent()
2251                        .unwrap()
2252                        .join(new_path.path.as_std_path())
2253                } else {
2254                    root_path.join(&new_path.path.as_std_path())
2255                };
2256                (root_path.join(old_path.as_std_path()), new_abs_path)
2257            };
2258            let transaction = LspStore::will_rename_entry(
2259                lsp_store.clone(),
2260                worktree_id,
2261                &old_abs_path,
2262                &new_abs_path,
2263                is_dir,
2264                cx.clone(),
2265            )
2266            .await;
2267
2268            let entry = worktree_store
2269                .update(cx, |worktree_store, cx| {
2270                    worktree_store.rename_entry(entry_id, new_path.clone(), cx)
2271                })?
2272                .await?;
2273
2274            project
2275                .update(cx, |_, cx| {
2276                    cx.emit(Event::EntryRenamed(transaction));
2277                })
2278                .ok();
2279
2280            lsp_store
2281                .read_with(cx, |this, _| {
2282                    this.did_rename_entry(worktree_id, &old_abs_path, &new_abs_path, is_dir);
2283                })
2284                .ok();
2285            Ok(entry)
2286        })
2287    }
2288
2289    #[inline]
2290    pub fn delete_file(
2291        &mut self,
2292        path: ProjectPath,
2293        trash: bool,
2294        cx: &mut Context<Self>,
2295    ) -> Option<Task<Result<()>>> {
2296        let entry = self.entry_for_path(&path, cx)?;
2297        self.delete_entry(entry.id, trash, cx)
2298    }
2299
2300    #[inline]
2301    pub fn delete_entry(
2302        &mut self,
2303        entry_id: ProjectEntryId,
2304        trash: bool,
2305        cx: &mut Context<Self>,
2306    ) -> Option<Task<Result<()>>> {
2307        let worktree = self.worktree_for_entry(entry_id, cx)?;
2308        cx.emit(Event::DeletedEntry(worktree.read(cx).id(), entry_id));
2309        worktree.update(cx, |worktree, cx| {
2310            worktree.delete_entry(entry_id, trash, cx)
2311        })
2312    }
2313
2314    #[inline]
2315    pub fn expand_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        worktree.update(cx, |worktree, cx| worktree.expand_entry(entry_id, cx))
2323    }
2324
2325    pub fn expand_all_for_entry(
2326        &mut self,
2327        worktree_id: WorktreeId,
2328        entry_id: ProjectEntryId,
2329        cx: &mut Context<Self>,
2330    ) -> Option<Task<Result<()>>> {
2331        let worktree = self.worktree_for_id(worktree_id, cx)?;
2332        let task = worktree.update(cx, |worktree, cx| {
2333            worktree.expand_all_for_entry(entry_id, cx)
2334        });
2335        Some(cx.spawn(async move |this, cx| {
2336            task.context("no task")?.await?;
2337            this.update(cx, |_, cx| {
2338                cx.emit(Event::ExpandedAllForEntry(worktree_id, entry_id));
2339            })?;
2340            Ok(())
2341        }))
2342    }
2343
2344    pub fn shared(&mut self, project_id: u64, cx: &mut Context<Self>) -> Result<()> {
2345        anyhow::ensure!(
2346            matches!(self.client_state, ProjectClientState::Local),
2347            "project was already shared"
2348        );
2349
2350        self.client_subscriptions.extend([
2351            self.collab_client
2352                .subscribe_to_entity(project_id)?
2353                .set_entity(&cx.entity(), &cx.to_async()),
2354            self.collab_client
2355                .subscribe_to_entity(project_id)?
2356                .set_entity(&self.worktree_store, &cx.to_async()),
2357            self.collab_client
2358                .subscribe_to_entity(project_id)?
2359                .set_entity(&self.buffer_store, &cx.to_async()),
2360            self.collab_client
2361                .subscribe_to_entity(project_id)?
2362                .set_entity(&self.lsp_store, &cx.to_async()),
2363            self.collab_client
2364                .subscribe_to_entity(project_id)?
2365                .set_entity(&self.settings_observer, &cx.to_async()),
2366            self.collab_client
2367                .subscribe_to_entity(project_id)?
2368                .set_entity(&self.dap_store, &cx.to_async()),
2369            self.collab_client
2370                .subscribe_to_entity(project_id)?
2371                .set_entity(&self.breakpoint_store, &cx.to_async()),
2372            self.collab_client
2373                .subscribe_to_entity(project_id)?
2374                .set_entity(&self.git_store, &cx.to_async()),
2375        ]);
2376
2377        self.buffer_store.update(cx, |buffer_store, cx| {
2378            buffer_store.shared(project_id, self.collab_client.clone().into(), cx)
2379        });
2380        self.worktree_store.update(cx, |worktree_store, cx| {
2381            worktree_store.shared(project_id, self.collab_client.clone().into(), cx);
2382        });
2383        self.lsp_store.update(cx, |lsp_store, cx| {
2384            lsp_store.shared(project_id, self.collab_client.clone().into(), cx)
2385        });
2386        self.breakpoint_store.update(cx, |breakpoint_store, _| {
2387            breakpoint_store.shared(project_id, self.collab_client.clone().into())
2388        });
2389        self.dap_store.update(cx, |dap_store, cx| {
2390            dap_store.shared(project_id, self.collab_client.clone().into(), cx);
2391        });
2392        self.task_store.update(cx, |task_store, cx| {
2393            task_store.shared(project_id, self.collab_client.clone().into(), cx);
2394        });
2395        self.settings_observer.update(cx, |settings_observer, cx| {
2396            settings_observer.shared(project_id, self.collab_client.clone().into(), cx)
2397        });
2398        self.git_store.update(cx, |git_store, cx| {
2399            git_store.shared(project_id, self.collab_client.clone().into(), cx)
2400        });
2401
2402        self.client_state = ProjectClientState::Shared {
2403            remote_id: project_id,
2404        };
2405
2406        cx.emit(Event::RemoteIdChanged(Some(project_id)));
2407        Ok(())
2408    }
2409
2410    pub fn reshared(
2411        &mut self,
2412        message: proto::ResharedProject,
2413        cx: &mut Context<Self>,
2414    ) -> Result<()> {
2415        self.buffer_store
2416            .update(cx, |buffer_store, _| buffer_store.forget_shared_buffers());
2417        self.set_collaborators_from_proto(message.collaborators, cx)?;
2418
2419        self.worktree_store.update(cx, |worktree_store, cx| {
2420            worktree_store.send_project_updates(cx);
2421        });
2422        if let Some(remote_id) = self.remote_id() {
2423            self.git_store.update(cx, |git_store, cx| {
2424                git_store.shared(remote_id, self.collab_client.clone().into(), cx)
2425            });
2426        }
2427        cx.emit(Event::Reshared);
2428        Ok(())
2429    }
2430
2431    pub fn rejoined(
2432        &mut self,
2433        message: proto::RejoinedProject,
2434        message_id: u32,
2435        cx: &mut Context<Self>,
2436    ) -> Result<()> {
2437        cx.update_global::<SettingsStore, _>(|store, cx| {
2438            self.worktree_store.update(cx, |worktree_store, cx| {
2439                for worktree in worktree_store.worktrees() {
2440                    store
2441                        .clear_local_settings(worktree.read(cx).id(), cx)
2442                        .log_err();
2443                }
2444            });
2445        });
2446
2447        self.join_project_response_message_id = message_id;
2448        self.set_worktrees_from_proto(message.worktrees, cx)?;
2449        self.set_collaborators_from_proto(message.collaborators, cx)?;
2450
2451        let project = cx.weak_entity();
2452        self.lsp_store.update(cx, |lsp_store, cx| {
2453            lsp_store.set_language_server_statuses_from_proto(
2454                project,
2455                message.language_servers,
2456                message.language_server_capabilities,
2457                cx,
2458            )
2459        });
2460        self.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
2461            .unwrap();
2462        cx.emit(Event::Rejoined);
2463        Ok(())
2464    }
2465
2466    #[inline]
2467    pub fn unshare(&mut self, cx: &mut Context<Self>) -> Result<()> {
2468        self.unshare_internal(cx)?;
2469        cx.emit(Event::RemoteIdChanged(None));
2470        Ok(())
2471    }
2472
2473    fn unshare_internal(&mut self, cx: &mut App) -> Result<()> {
2474        anyhow::ensure!(
2475            !self.is_via_collab(),
2476            "attempted to unshare a remote project"
2477        );
2478
2479        if let ProjectClientState::Shared { remote_id, .. } = self.client_state {
2480            self.client_state = ProjectClientState::Local;
2481            self.collaborators.clear();
2482            self.client_subscriptions.clear();
2483            self.worktree_store.update(cx, |store, cx| {
2484                store.unshared(cx);
2485            });
2486            self.buffer_store.update(cx, |buffer_store, cx| {
2487                buffer_store.forget_shared_buffers();
2488                buffer_store.unshared(cx)
2489            });
2490            self.task_store.update(cx, |task_store, cx| {
2491                task_store.unshared(cx);
2492            });
2493            self.breakpoint_store.update(cx, |breakpoint_store, cx| {
2494                breakpoint_store.unshared(cx);
2495            });
2496            self.dap_store.update(cx, |dap_store, cx| {
2497                dap_store.unshared(cx);
2498            });
2499            self.settings_observer.update(cx, |settings_observer, cx| {
2500                settings_observer.unshared(cx);
2501            });
2502            self.git_store.update(cx, |git_store, cx| {
2503                git_store.unshared(cx);
2504            });
2505
2506            self.collab_client
2507                .send(proto::UnshareProject {
2508                    project_id: remote_id,
2509                })
2510                .ok();
2511            Ok(())
2512        } else {
2513            anyhow::bail!("attempted to unshare an unshared project");
2514        }
2515    }
2516
2517    pub fn disconnected_from_host(&mut self, cx: &mut Context<Self>) {
2518        if self.is_disconnected(cx) {
2519            return;
2520        }
2521        self.disconnected_from_host_internal(cx);
2522        cx.emit(Event::DisconnectedFromHost);
2523    }
2524
2525    pub fn set_role(&mut self, role: proto::ChannelRole, cx: &mut Context<Self>) {
2526        let new_capability =
2527            if role == proto::ChannelRole::Member || role == proto::ChannelRole::Admin {
2528                Capability::ReadWrite
2529            } else {
2530                Capability::ReadOnly
2531            };
2532        if let ProjectClientState::Remote { capability, .. } = &mut self.client_state {
2533            if *capability == new_capability {
2534                return;
2535            }
2536
2537            *capability = new_capability;
2538            for buffer in self.opened_buffers(cx) {
2539                buffer.update(cx, |buffer, cx| buffer.set_capability(new_capability, cx));
2540            }
2541        }
2542    }
2543
2544    fn disconnected_from_host_internal(&mut self, cx: &mut App) {
2545        if let ProjectClientState::Remote {
2546            sharing_has_stopped,
2547            ..
2548        } = &mut self.client_state
2549        {
2550            *sharing_has_stopped = true;
2551            self.collaborators.clear();
2552            self.worktree_store.update(cx, |store, cx| {
2553                store.disconnected_from_host(cx);
2554            });
2555            self.buffer_store.update(cx, |buffer_store, cx| {
2556                buffer_store.disconnected_from_host(cx)
2557            });
2558            self.lsp_store
2559                .update(cx, |lsp_store, _cx| lsp_store.disconnected_from_host());
2560        }
2561    }
2562
2563    #[inline]
2564    pub fn close(&mut self, cx: &mut Context<Self>) {
2565        cx.emit(Event::Closed);
2566    }
2567
2568    #[inline]
2569    pub fn is_disconnected(&self, cx: &App) -> bool {
2570        match &self.client_state {
2571            ProjectClientState::Remote {
2572                sharing_has_stopped,
2573                ..
2574            } => *sharing_has_stopped,
2575            ProjectClientState::Local if self.is_via_remote_server() => {
2576                self.remote_client_is_disconnected(cx)
2577            }
2578            _ => false,
2579        }
2580    }
2581
2582    #[inline]
2583    fn remote_client_is_disconnected(&self, cx: &App) -> bool {
2584        self.remote_client
2585            .as_ref()
2586            .map(|remote| remote.read(cx).is_disconnected())
2587            .unwrap_or(false)
2588    }
2589
2590    #[inline]
2591    pub fn capability(&self) -> Capability {
2592        match &self.client_state {
2593            ProjectClientState::Remote { capability, .. } => *capability,
2594            ProjectClientState::Shared { .. } | ProjectClientState::Local => Capability::ReadWrite,
2595        }
2596    }
2597
2598    #[inline]
2599    pub fn is_read_only(&self, cx: &App) -> bool {
2600        self.is_disconnected(cx) || self.capability() == Capability::ReadOnly
2601    }
2602
2603    #[inline]
2604    pub fn is_local(&self) -> bool {
2605        match &self.client_state {
2606            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2607                self.remote_client.is_none()
2608            }
2609            ProjectClientState::Remote { .. } => false,
2610        }
2611    }
2612
2613    /// Whether this project is a remote server (not counting collab).
2614    #[inline]
2615    pub fn is_via_remote_server(&self) -> bool {
2616        match &self.client_state {
2617            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2618                self.remote_client.is_some()
2619            }
2620            ProjectClientState::Remote { .. } => false,
2621        }
2622    }
2623
2624    /// Whether this project is from collab (not counting remote servers).
2625    #[inline]
2626    pub fn is_via_collab(&self) -> bool {
2627        match &self.client_state {
2628            ProjectClientState::Local | ProjectClientState::Shared { .. } => false,
2629            ProjectClientState::Remote { .. } => true,
2630        }
2631    }
2632
2633    /// `!self.is_local()`
2634    #[inline]
2635    pub fn is_remote(&self) -> bool {
2636        debug_assert_eq!(
2637            !self.is_local(),
2638            self.is_via_collab() || self.is_via_remote_server()
2639        );
2640        !self.is_local()
2641    }
2642
2643    #[inline]
2644    pub fn create_buffer(
2645        &mut self,
2646        searchable: bool,
2647        cx: &mut Context<Self>,
2648    ) -> Task<Result<Entity<Buffer>>> {
2649        self.buffer_store.update(cx, |buffer_store, cx| {
2650            buffer_store.create_buffer(searchable, cx)
2651        })
2652    }
2653
2654    #[inline]
2655    pub fn create_local_buffer(
2656        &mut self,
2657        text: &str,
2658        language: Option<Arc<Language>>,
2659        project_searchable: bool,
2660        cx: &mut Context<Self>,
2661    ) -> Entity<Buffer> {
2662        if self.is_remote() {
2663            panic!("called create_local_buffer on a remote project")
2664        }
2665        self.buffer_store.update(cx, |buffer_store, cx| {
2666            buffer_store.create_local_buffer(text, language, project_searchable, cx)
2667        })
2668    }
2669
2670    pub fn open_path(
2671        &mut self,
2672        path: ProjectPath,
2673        cx: &mut Context<Self>,
2674    ) -> Task<Result<(Option<ProjectEntryId>, Entity<Buffer>)>> {
2675        let task = self.open_buffer(path, cx);
2676        cx.spawn(async move |_project, cx| {
2677            let buffer = task.await?;
2678            let project_entry_id = buffer.read_with(cx, |buffer, _cx| {
2679                File::from_dyn(buffer.file()).and_then(|file| file.project_entry_id())
2680            })?;
2681
2682            Ok((project_entry_id, buffer))
2683        })
2684    }
2685
2686    pub fn open_local_buffer(
2687        &mut self,
2688        abs_path: impl AsRef<Path>,
2689        cx: &mut Context<Self>,
2690    ) -> Task<Result<Entity<Buffer>>> {
2691        let worktree_task = self.find_or_create_worktree(abs_path.as_ref(), false, cx);
2692        cx.spawn(async move |this, cx| {
2693            let (worktree, relative_path) = worktree_task.await?;
2694            this.update(cx, |this, cx| {
2695                this.open_buffer((worktree.read(cx).id(), relative_path), cx)
2696            })?
2697            .await
2698        })
2699    }
2700
2701    #[cfg(any(test, feature = "test-support"))]
2702    pub fn open_local_buffer_with_lsp(
2703        &mut self,
2704        abs_path: impl AsRef<Path>,
2705        cx: &mut Context<Self>,
2706    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
2707        if let Some((worktree, relative_path)) = self.find_worktree(abs_path.as_ref(), cx) {
2708            self.open_buffer_with_lsp((worktree.read(cx).id(), relative_path), cx)
2709        } else {
2710            Task::ready(Err(anyhow!("no such path")))
2711        }
2712    }
2713
2714    pub fn open_buffer(
2715        &mut self,
2716        path: impl Into<ProjectPath>,
2717        cx: &mut App,
2718    ) -> Task<Result<Entity<Buffer>>> {
2719        if self.is_disconnected(cx) {
2720            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2721        }
2722
2723        self.buffer_store.update(cx, |buffer_store, cx| {
2724            buffer_store.open_buffer(
2725                path.into(),
2726                Some(
2727                    self.encoding_options
2728                        .encoding
2729                        .lock()
2730                        .as_ref()
2731                        .unwrap()
2732                        .deref()
2733                        .clone(),
2734                ),
2735                *self.encoding_options.force.get_mut(),
2736                *self.encoding_options.detect_utf16.get_mut(),
2737                cx,
2738            )
2739        })
2740    }
2741
2742    #[cfg(any(test, feature = "test-support"))]
2743    pub fn open_buffer_with_lsp(
2744        &mut self,
2745        path: impl Into<ProjectPath>,
2746        cx: &mut Context<Self>,
2747    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
2748        let buffer = self.open_buffer(path, cx);
2749        cx.spawn(async move |this, cx| {
2750            let buffer = buffer.await?;
2751            let handle = this.update(cx, |project, cx| {
2752                project.register_buffer_with_language_servers(&buffer, cx)
2753            })?;
2754            Ok((buffer, handle))
2755        })
2756    }
2757
2758    pub fn register_buffer_with_language_servers(
2759        &self,
2760        buffer: &Entity<Buffer>,
2761        cx: &mut App,
2762    ) -> OpenLspBufferHandle {
2763        self.lsp_store.update(cx, |lsp_store, cx| {
2764            lsp_store.register_buffer_with_language_servers(buffer, HashSet::default(), false, cx)
2765        })
2766    }
2767
2768    pub fn open_unstaged_diff(
2769        &mut self,
2770        buffer: Entity<Buffer>,
2771        cx: &mut Context<Self>,
2772    ) -> Task<Result<Entity<BufferDiff>>> {
2773        if self.is_disconnected(cx) {
2774            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2775        }
2776        self.git_store
2777            .update(cx, |git_store, cx| git_store.open_unstaged_diff(buffer, cx))
2778    }
2779
2780    pub fn open_uncommitted_diff(
2781        &mut self,
2782        buffer: Entity<Buffer>,
2783        cx: &mut Context<Self>,
2784    ) -> Task<Result<Entity<BufferDiff>>> {
2785        if self.is_disconnected(cx) {
2786            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2787        }
2788        self.git_store.update(cx, |git_store, cx| {
2789            git_store.open_uncommitted_diff(buffer, cx)
2790        })
2791    }
2792
2793    pub fn open_buffer_by_id(
2794        &mut self,
2795        id: BufferId,
2796        cx: &mut Context<Self>,
2797    ) -> Task<Result<Entity<Buffer>>> {
2798        if let Some(buffer) = self.buffer_for_id(id, cx) {
2799            Task::ready(Ok(buffer))
2800        } else if self.is_local() || self.is_via_remote_server() {
2801            Task::ready(Err(anyhow!("buffer {id} does not exist")))
2802        } else if let Some(project_id) = self.remote_id() {
2803            let request = self.collab_client.request(proto::OpenBufferById {
2804                project_id,
2805                id: id.into(),
2806            });
2807            cx.spawn(async move |project, cx| {
2808                let buffer_id = BufferId::new(request.await?.buffer_id)?;
2809                project
2810                    .update(cx, |project, cx| {
2811                        project.buffer_store.update(cx, |buffer_store, cx| {
2812                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
2813                        })
2814                    })?
2815                    .await
2816            })
2817        } else {
2818            Task::ready(Err(anyhow!("cannot open buffer while disconnected")))
2819        }
2820    }
2821
2822    pub fn save_buffers(
2823        &self,
2824        buffers: HashSet<Entity<Buffer>>,
2825        cx: &mut Context<Self>,
2826    ) -> Task<Result<()>> {
2827        cx.spawn(async move |this, cx| {
2828            let save_tasks = buffers.into_iter().filter_map(|buffer| {
2829                this.update(cx, |this, cx| this.save_buffer(buffer, cx))
2830                    .ok()
2831            });
2832            try_join_all(save_tasks).await?;
2833            Ok(())
2834        })
2835    }
2836
2837    pub fn save_buffer(&self, buffer: Entity<Buffer>, cx: &mut Context<Self>) -> Task<Result<()>> {
2838        self.buffer_store
2839            .update(cx, |buffer_store, cx| buffer_store.save_buffer(buffer, cx))
2840    }
2841
2842    pub fn save_buffer_as(
2843        &mut self,
2844        buffer: Entity<Buffer>,
2845        path: ProjectPath,
2846        cx: &mut Context<Self>,
2847    ) -> Task<Result<()>> {
2848        self.buffer_store.update(cx, |buffer_store, cx| {
2849            buffer_store.save_buffer_as(buffer.clone(), path, cx)
2850        })
2851    }
2852
2853    pub fn get_open_buffer(&self, path: &ProjectPath, cx: &App) -> Option<Entity<Buffer>> {
2854        self.buffer_store.read(cx).get_by_path(path)
2855    }
2856
2857    fn register_buffer(&mut self, buffer: &Entity<Buffer>, cx: &mut Context<Self>) -> Result<()> {
2858        {
2859            let mut remotely_created_models = self.remotely_created_models.lock();
2860            if remotely_created_models.retain_count > 0 {
2861                remotely_created_models.buffers.push(buffer.clone())
2862            }
2863        }
2864
2865        self.request_buffer_diff_recalculation(buffer, cx);
2866
2867        cx.subscribe(buffer, |this, buffer, event, cx| {
2868            this.on_buffer_event(buffer, event, cx);
2869        })
2870        .detach();
2871
2872        Ok(())
2873    }
2874
2875    pub fn open_image(
2876        &mut self,
2877        path: impl Into<ProjectPath>,
2878        cx: &mut Context<Self>,
2879    ) -> Task<Result<Entity<ImageItem>>> {
2880        if self.is_disconnected(cx) {
2881            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2882        }
2883
2884        let open_image_task = self.image_store.update(cx, |image_store, cx| {
2885            image_store.open_image(path.into(), cx)
2886        });
2887
2888        let weak_project = cx.entity().downgrade();
2889        cx.spawn(async move |_, cx| {
2890            let image_item = open_image_task.await?;
2891            let project = weak_project.upgrade().context("Project dropped")?;
2892
2893            let metadata = ImageItem::load_image_metadata(image_item.clone(), project, cx).await?;
2894            image_item.update(cx, |image_item, cx| {
2895                image_item.image_metadata = Some(metadata);
2896                cx.emit(ImageItemEvent::MetadataUpdated);
2897            })?;
2898
2899            Ok(image_item)
2900        })
2901    }
2902
2903    async fn send_buffer_ordered_messages(
2904        project: WeakEntity<Self>,
2905        rx: UnboundedReceiver<BufferOrderedMessage>,
2906        cx: &mut AsyncApp,
2907    ) -> Result<()> {
2908        const MAX_BATCH_SIZE: usize = 128;
2909
2910        let mut operations_by_buffer_id = HashMap::default();
2911        async fn flush_operations(
2912            this: &WeakEntity<Project>,
2913            operations_by_buffer_id: &mut HashMap<BufferId, Vec<proto::Operation>>,
2914            needs_resync_with_host: &mut bool,
2915            is_local: bool,
2916            cx: &mut AsyncApp,
2917        ) -> Result<()> {
2918            for (buffer_id, operations) in operations_by_buffer_id.drain() {
2919                let request = this.read_with(cx, |this, _| {
2920                    let project_id = this.remote_id()?;
2921                    Some(this.collab_client.request(proto::UpdateBuffer {
2922                        buffer_id: buffer_id.into(),
2923                        project_id,
2924                        operations,
2925                    }))
2926                })?;
2927                if let Some(request) = request
2928                    && request.await.is_err()
2929                    && !is_local
2930                {
2931                    *needs_resync_with_host = true;
2932                    break;
2933                }
2934            }
2935            Ok(())
2936        }
2937
2938        let mut needs_resync_with_host = false;
2939        let mut changes = rx.ready_chunks(MAX_BATCH_SIZE);
2940
2941        while let Some(changes) = changes.next().await {
2942            let is_local = project.read_with(cx, |this, _| this.is_local())?;
2943
2944            for change in changes {
2945                match change {
2946                    BufferOrderedMessage::Operation {
2947                        buffer_id,
2948                        operation,
2949                    } => {
2950                        if needs_resync_with_host {
2951                            continue;
2952                        }
2953
2954                        operations_by_buffer_id
2955                            .entry(buffer_id)
2956                            .or_insert(Vec::new())
2957                            .push(operation);
2958                    }
2959
2960                    BufferOrderedMessage::Resync => {
2961                        operations_by_buffer_id.clear();
2962                        if project
2963                            .update(cx, |this, cx| this.synchronize_remote_buffers(cx))?
2964                            .await
2965                            .is_ok()
2966                        {
2967                            needs_resync_with_host = false;
2968                        }
2969                    }
2970
2971                    BufferOrderedMessage::LanguageServerUpdate {
2972                        language_server_id,
2973                        message,
2974                        name,
2975                    } => {
2976                        flush_operations(
2977                            &project,
2978                            &mut operations_by_buffer_id,
2979                            &mut needs_resync_with_host,
2980                            is_local,
2981                            cx,
2982                        )
2983                        .await?;
2984
2985                        project.read_with(cx, |project, _| {
2986                            if let Some(project_id) = project.remote_id() {
2987                                project
2988                                    .collab_client
2989                                    .send(proto::UpdateLanguageServer {
2990                                        project_id,
2991                                        server_name: name.map(|name| String::from(name.0)),
2992                                        language_server_id: language_server_id.to_proto(),
2993                                        variant: Some(message),
2994                                    })
2995                                    .log_err();
2996                            }
2997                        })?;
2998                    }
2999                }
3000            }
3001
3002            flush_operations(
3003                &project,
3004                &mut operations_by_buffer_id,
3005                &mut needs_resync_with_host,
3006                is_local,
3007                cx,
3008            )
3009            .await?;
3010        }
3011
3012        Ok(())
3013    }
3014
3015    fn on_buffer_store_event(
3016        &mut self,
3017        _: Entity<BufferStore>,
3018        event: &BufferStoreEvent,
3019        cx: &mut Context<Self>,
3020    ) {
3021        match event {
3022            BufferStoreEvent::BufferAdded(buffer) => {
3023                self.register_buffer(buffer, cx).log_err();
3024            }
3025            BufferStoreEvent::BufferDropped(buffer_id) => {
3026                if let Some(ref remote_client) = self.remote_client {
3027                    remote_client
3028                        .read(cx)
3029                        .proto_client()
3030                        .send(proto::CloseBuffer {
3031                            project_id: 0,
3032                            buffer_id: buffer_id.to_proto(),
3033                        })
3034                        .log_err();
3035                }
3036            }
3037            _ => {}
3038        }
3039    }
3040
3041    fn on_image_store_event(
3042        &mut self,
3043        _: Entity<ImageStore>,
3044        event: &ImageStoreEvent,
3045        cx: &mut Context<Self>,
3046    ) {
3047        match event {
3048            ImageStoreEvent::ImageAdded(image) => {
3049                cx.subscribe(image, |this, image, event, cx| {
3050                    this.on_image_event(image, event, cx);
3051                })
3052                .detach();
3053            }
3054        }
3055    }
3056
3057    fn on_dap_store_event(
3058        &mut self,
3059        _: Entity<DapStore>,
3060        event: &DapStoreEvent,
3061        cx: &mut Context<Self>,
3062    ) {
3063        if let DapStoreEvent::Notification(message) = event {
3064            cx.emit(Event::Toast {
3065                notification_id: "dap".into(),
3066                message: message.clone(),
3067            });
3068        }
3069    }
3070
3071    fn on_lsp_store_event(
3072        &mut self,
3073        _: Entity<LspStore>,
3074        event: &LspStoreEvent,
3075        cx: &mut Context<Self>,
3076    ) {
3077        match event {
3078            LspStoreEvent::DiagnosticsUpdated { server_id, paths } => {
3079                cx.emit(Event::DiagnosticsUpdated {
3080                    paths: paths.clone(),
3081                    language_server_id: *server_id,
3082                })
3083            }
3084            LspStoreEvent::LanguageServerAdded(server_id, name, worktree_id) => cx.emit(
3085                Event::LanguageServerAdded(*server_id, name.clone(), *worktree_id),
3086            ),
3087            LspStoreEvent::LanguageServerRemoved(server_id) => {
3088                cx.emit(Event::LanguageServerRemoved(*server_id))
3089            }
3090            LspStoreEvent::LanguageServerLog(server_id, log_type, string) => cx.emit(
3091                Event::LanguageServerLog(*server_id, log_type.clone(), string.clone()),
3092            ),
3093            LspStoreEvent::LanguageDetected {
3094                buffer,
3095                new_language,
3096            } => {
3097                let Some(_) = new_language else {
3098                    cx.emit(Event::LanguageNotFound(buffer.clone()));
3099                    return;
3100                };
3101            }
3102            LspStoreEvent::RefreshInlayHints(server_id) => {
3103                cx.emit(Event::RefreshInlayHints(*server_id))
3104            }
3105            LspStoreEvent::RefreshCodeLens => cx.emit(Event::RefreshCodeLens),
3106            LspStoreEvent::LanguageServerPrompt(prompt) => {
3107                cx.emit(Event::LanguageServerPrompt(prompt.clone()))
3108            }
3109            LspStoreEvent::DiskBasedDiagnosticsStarted { language_server_id } => {
3110                cx.emit(Event::DiskBasedDiagnosticsStarted {
3111                    language_server_id: *language_server_id,
3112                });
3113            }
3114            LspStoreEvent::DiskBasedDiagnosticsFinished { language_server_id } => {
3115                cx.emit(Event::DiskBasedDiagnosticsFinished {
3116                    language_server_id: *language_server_id,
3117                });
3118            }
3119            LspStoreEvent::LanguageServerUpdate {
3120                language_server_id,
3121                name,
3122                message,
3123            } => {
3124                if self.is_local() {
3125                    self.enqueue_buffer_ordered_message(
3126                        BufferOrderedMessage::LanguageServerUpdate {
3127                            language_server_id: *language_server_id,
3128                            message: message.clone(),
3129                            name: name.clone(),
3130                        },
3131                    )
3132                    .ok();
3133                }
3134
3135                match message {
3136                    proto::update_language_server::Variant::MetadataUpdated(update) => {
3137                        if let Some(capabilities) = update
3138                            .capabilities
3139                            .as_ref()
3140                            .and_then(|capabilities| serde_json::from_str(capabilities).ok())
3141                        {
3142                            self.lsp_store.update(cx, |lsp_store, _| {
3143                                lsp_store
3144                                    .lsp_server_capabilities
3145                                    .insert(*language_server_id, capabilities);
3146                            });
3147                        }
3148                    }
3149                    proto::update_language_server::Variant::RegisteredForBuffer(update) => {
3150                        if let Some(buffer_id) = BufferId::new(update.buffer_id).ok() {
3151                            cx.emit(Event::LanguageServerBufferRegistered {
3152                                buffer_id,
3153                                server_id: *language_server_id,
3154                                buffer_abs_path: PathBuf::from(&update.buffer_abs_path),
3155                                name: name.clone(),
3156                            });
3157                        }
3158                    }
3159                    _ => (),
3160                }
3161            }
3162            LspStoreEvent::Notification(message) => cx.emit(Event::Toast {
3163                notification_id: "lsp".into(),
3164                message: message.clone(),
3165            }),
3166            LspStoreEvent::SnippetEdit {
3167                buffer_id,
3168                edits,
3169                most_recent_edit,
3170            } => {
3171                if most_recent_edit.replica_id == self.replica_id() {
3172                    cx.emit(Event::SnippetEdit(*buffer_id, edits.clone()))
3173                }
3174            }
3175        }
3176    }
3177
3178    fn on_remote_client_event(
3179        &mut self,
3180        _: Entity<RemoteClient>,
3181        event: &remote::RemoteClientEvent,
3182        cx: &mut Context<Self>,
3183    ) {
3184        match event {
3185            remote::RemoteClientEvent::Disconnected => {
3186                self.worktree_store.update(cx, |store, cx| {
3187                    store.disconnected_from_host(cx);
3188                });
3189                self.buffer_store.update(cx, |buffer_store, cx| {
3190                    buffer_store.disconnected_from_host(cx)
3191                });
3192                self.lsp_store.update(cx, |lsp_store, _cx| {
3193                    lsp_store.disconnected_from_ssh_remote()
3194                });
3195                cx.emit(Event::DisconnectedFromSshRemote);
3196            }
3197        }
3198    }
3199
3200    fn on_settings_observer_event(
3201        &mut self,
3202        _: Entity<SettingsObserver>,
3203        event: &SettingsObserverEvent,
3204        cx: &mut Context<Self>,
3205    ) {
3206        match event {
3207            SettingsObserverEvent::LocalSettingsUpdated(result) => match result {
3208                Err(InvalidSettingsError::LocalSettings { message, path }) => {
3209                    let message = format!("Failed to set local settings in {path:?}:\n{message}");
3210                    cx.emit(Event::Toast {
3211                        notification_id: format!("local-settings-{path:?}").into(),
3212                        message,
3213                    });
3214                }
3215                Ok(path) => cx.emit(Event::HideToast {
3216                    notification_id: format!("local-settings-{path:?}").into(),
3217                }),
3218                Err(_) => {}
3219            },
3220            SettingsObserverEvent::LocalTasksUpdated(result) => match result {
3221                Err(InvalidSettingsError::Tasks { message, path }) => {
3222                    let message = format!("Failed to set local tasks in {path:?}:\n{message}");
3223                    cx.emit(Event::Toast {
3224                        notification_id: format!("local-tasks-{path:?}").into(),
3225                        message,
3226                    });
3227                }
3228                Ok(path) => cx.emit(Event::HideToast {
3229                    notification_id: format!("local-tasks-{path:?}").into(),
3230                }),
3231                Err(_) => {}
3232            },
3233            SettingsObserverEvent::LocalDebugScenariosUpdated(result) => match result {
3234                Err(InvalidSettingsError::Debug { message, path }) => {
3235                    let message =
3236                        format!("Failed to set local debug scenarios in {path:?}:\n{message}");
3237                    cx.emit(Event::Toast {
3238                        notification_id: format!("local-debug-scenarios-{path:?}").into(),
3239                        message,
3240                    });
3241                }
3242                Ok(path) => cx.emit(Event::HideToast {
3243                    notification_id: format!("local-debug-scenarios-{path:?}").into(),
3244                }),
3245                Err(_) => {}
3246            },
3247        }
3248    }
3249
3250    fn on_worktree_store_event(
3251        &mut self,
3252        _: Entity<WorktreeStore>,
3253        event: &WorktreeStoreEvent,
3254        cx: &mut Context<Self>,
3255    ) {
3256        match event {
3257            WorktreeStoreEvent::WorktreeAdded(worktree) => {
3258                self.on_worktree_added(worktree, cx);
3259                cx.emit(Event::WorktreeAdded(worktree.read(cx).id()));
3260            }
3261            WorktreeStoreEvent::WorktreeRemoved(_, id) => {
3262                cx.emit(Event::WorktreeRemoved(*id));
3263            }
3264            WorktreeStoreEvent::WorktreeReleased(_, id) => {
3265                self.on_worktree_released(*id, cx);
3266            }
3267            WorktreeStoreEvent::WorktreeOrderChanged => cx.emit(Event::WorktreeOrderChanged),
3268            WorktreeStoreEvent::WorktreeUpdateSent(_) => {}
3269            WorktreeStoreEvent::WorktreeUpdatedEntries(worktree_id, changes) => {
3270                self.client()
3271                    .telemetry()
3272                    .report_discovered_project_type_events(*worktree_id, changes);
3273                cx.emit(Event::WorktreeUpdatedEntries(*worktree_id, changes.clone()))
3274            }
3275            WorktreeStoreEvent::WorktreeDeletedEntry(worktree_id, id) => {
3276                cx.emit(Event::DeletedEntry(*worktree_id, *id))
3277            }
3278            // Listen to the GitStore instead.
3279            WorktreeStoreEvent::WorktreeUpdatedGitRepositories(_, _) => {}
3280        }
3281    }
3282
3283    fn on_worktree_added(&mut self, worktree: &Entity<Worktree>, _: &mut Context<Self>) {
3284        let mut remotely_created_models = self.remotely_created_models.lock();
3285        if remotely_created_models.retain_count > 0 {
3286            remotely_created_models.worktrees.push(worktree.clone())
3287        }
3288    }
3289
3290    fn on_worktree_released(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
3291        if let Some(remote) = &self.remote_client {
3292            remote
3293                .read(cx)
3294                .proto_client()
3295                .send(proto::RemoveWorktree {
3296                    worktree_id: id_to_remove.to_proto(),
3297                })
3298                .log_err();
3299        }
3300    }
3301
3302    fn on_buffer_event(
3303        &mut self,
3304        buffer: Entity<Buffer>,
3305        event: &BufferEvent,
3306        cx: &mut Context<Self>,
3307    ) -> Option<()> {
3308        if matches!(event, BufferEvent::Edited | BufferEvent::Reloaded) {
3309            self.request_buffer_diff_recalculation(&buffer, cx);
3310        }
3311
3312        let buffer_id = buffer.read(cx).remote_id();
3313        match event {
3314            BufferEvent::ReloadNeeded => {
3315                if !self.is_via_collab() {
3316                    self.reload_buffers([buffer.clone()].into_iter().collect(), true, cx)
3317                        .detach_and_log_err(cx);
3318                }
3319            }
3320            BufferEvent::Operation {
3321                operation,
3322                is_local: true,
3323            } => {
3324                let operation = language::proto::serialize_operation(operation);
3325
3326                if let Some(remote) = &self.remote_client {
3327                    remote
3328                        .read(cx)
3329                        .proto_client()
3330                        .send(proto::UpdateBuffer {
3331                            project_id: 0,
3332                            buffer_id: buffer_id.to_proto(),
3333                            operations: vec![operation.clone()],
3334                        })
3335                        .ok();
3336                }
3337
3338                self.enqueue_buffer_ordered_message(BufferOrderedMessage::Operation {
3339                    buffer_id,
3340                    operation,
3341                })
3342                .ok();
3343            }
3344
3345            _ => {}
3346        }
3347
3348        None
3349    }
3350
3351    fn on_image_event(
3352        &mut self,
3353        image: Entity<ImageItem>,
3354        event: &ImageItemEvent,
3355        cx: &mut Context<Self>,
3356    ) -> Option<()> {
3357        if let ImageItemEvent::ReloadNeeded = event
3358            && !self.is_via_collab()
3359        {
3360            self.reload_images([image].into_iter().collect(), cx)
3361                .detach_and_log_err(cx);
3362        }
3363
3364        None
3365    }
3366
3367    fn request_buffer_diff_recalculation(
3368        &mut self,
3369        buffer: &Entity<Buffer>,
3370        cx: &mut Context<Self>,
3371    ) {
3372        self.buffers_needing_diff.insert(buffer.downgrade());
3373        let first_insertion = self.buffers_needing_diff.len() == 1;
3374        let settings = ProjectSettings::get_global(cx);
3375        let delay = settings.git.gutter_debounce;
3376
3377        if delay == 0 {
3378            if first_insertion {
3379                let this = cx.weak_entity();
3380                cx.defer(move |cx| {
3381                    if let Some(this) = this.upgrade() {
3382                        this.update(cx, |this, cx| {
3383                            this.recalculate_buffer_diffs(cx).detach();
3384                        });
3385                    }
3386                });
3387            }
3388            return;
3389        }
3390
3391        const MIN_DELAY: u64 = 50;
3392        let delay = delay.max(MIN_DELAY);
3393        let duration = Duration::from_millis(delay);
3394
3395        self.git_diff_debouncer
3396            .fire_new(duration, cx, move |this, cx| {
3397                this.recalculate_buffer_diffs(cx)
3398            });
3399    }
3400
3401    fn recalculate_buffer_diffs(&mut self, cx: &mut Context<Self>) -> Task<()> {
3402        cx.spawn(async move |this, cx| {
3403            loop {
3404                let task = this
3405                    .update(cx, |this, cx| {
3406                        let buffers = this
3407                            .buffers_needing_diff
3408                            .drain()
3409                            .filter_map(|buffer| buffer.upgrade())
3410                            .collect::<Vec<_>>();
3411                        if buffers.is_empty() {
3412                            None
3413                        } else {
3414                            Some(this.git_store.update(cx, |git_store, cx| {
3415                                git_store.recalculate_buffer_diffs(buffers, cx)
3416                            }))
3417                        }
3418                    })
3419                    .ok()
3420                    .flatten();
3421
3422                if let Some(task) = task {
3423                    task.await;
3424                } else {
3425                    break;
3426                }
3427            }
3428        })
3429    }
3430
3431    pub fn set_language_for_buffer(
3432        &mut self,
3433        buffer: &Entity<Buffer>,
3434        new_language: Arc<Language>,
3435        cx: &mut Context<Self>,
3436    ) {
3437        self.lsp_store.update(cx, |lsp_store, cx| {
3438            lsp_store.set_language_for_buffer(buffer, new_language, cx)
3439        })
3440    }
3441
3442    pub fn restart_language_servers_for_buffers(
3443        &mut self,
3444        buffers: Vec<Entity<Buffer>>,
3445        only_restart_servers: HashSet<LanguageServerSelector>,
3446        cx: &mut Context<Self>,
3447    ) {
3448        self.lsp_store.update(cx, |lsp_store, cx| {
3449            lsp_store.restart_language_servers_for_buffers(buffers, only_restart_servers, cx)
3450        })
3451    }
3452
3453    pub fn stop_language_servers_for_buffers(
3454        &mut self,
3455        buffers: Vec<Entity<Buffer>>,
3456        also_restart_servers: HashSet<LanguageServerSelector>,
3457        cx: &mut Context<Self>,
3458    ) {
3459        self.lsp_store
3460            .update(cx, |lsp_store, cx| {
3461                lsp_store.stop_language_servers_for_buffers(buffers, also_restart_servers, cx)
3462            })
3463            .detach_and_log_err(cx);
3464    }
3465
3466    pub fn cancel_language_server_work_for_buffers(
3467        &mut self,
3468        buffers: impl IntoIterator<Item = Entity<Buffer>>,
3469        cx: &mut Context<Self>,
3470    ) {
3471        self.lsp_store.update(cx, |lsp_store, cx| {
3472            lsp_store.cancel_language_server_work_for_buffers(buffers, cx)
3473        })
3474    }
3475
3476    pub fn cancel_language_server_work(
3477        &mut self,
3478        server_id: LanguageServerId,
3479        token_to_cancel: Option<ProgressToken>,
3480        cx: &mut Context<Self>,
3481    ) {
3482        self.lsp_store.update(cx, |lsp_store, cx| {
3483            lsp_store.cancel_language_server_work(server_id, token_to_cancel, cx)
3484        })
3485    }
3486
3487    fn enqueue_buffer_ordered_message(&mut self, message: BufferOrderedMessage) -> Result<()> {
3488        self.buffer_ordered_messages_tx
3489            .unbounded_send(message)
3490            .map_err(|e| anyhow!(e))
3491    }
3492
3493    pub fn available_toolchains(
3494        &self,
3495        path: ProjectPath,
3496        language_name: LanguageName,
3497        cx: &App,
3498    ) -> Task<Option<Toolchains>> {
3499        if let Some(toolchain_store) = self.toolchain_store.as_ref().map(Entity::downgrade) {
3500            cx.spawn(async move |cx| {
3501                toolchain_store
3502                    .update(cx, |this, cx| this.list_toolchains(path, language_name, cx))
3503                    .ok()?
3504                    .await
3505            })
3506        } else {
3507            Task::ready(None)
3508        }
3509    }
3510
3511    pub async fn toolchain_metadata(
3512        languages: Arc<LanguageRegistry>,
3513        language_name: LanguageName,
3514    ) -> Option<ToolchainMetadata> {
3515        languages
3516            .language_for_name(language_name.as_ref())
3517            .await
3518            .ok()?
3519            .toolchain_lister()
3520            .map(|lister| lister.meta())
3521    }
3522
3523    pub fn add_toolchain(
3524        &self,
3525        toolchain: Toolchain,
3526        scope: ToolchainScope,
3527        cx: &mut Context<Self>,
3528    ) {
3529        maybe!({
3530            self.toolchain_store.as_ref()?.update(cx, |this, cx| {
3531                this.add_toolchain(toolchain, scope, cx);
3532            });
3533            Some(())
3534        });
3535    }
3536
3537    pub fn remove_toolchain(
3538        &self,
3539        toolchain: Toolchain,
3540        scope: ToolchainScope,
3541        cx: &mut Context<Self>,
3542    ) {
3543        maybe!({
3544            self.toolchain_store.as_ref()?.update(cx, |this, cx| {
3545                this.remove_toolchain(toolchain, scope, cx);
3546            });
3547            Some(())
3548        });
3549    }
3550
3551    pub fn user_toolchains(
3552        &self,
3553        cx: &App,
3554    ) -> Option<BTreeMap<ToolchainScope, IndexSet<Toolchain>>> {
3555        Some(self.toolchain_store.as_ref()?.read(cx).user_toolchains())
3556    }
3557
3558    pub fn resolve_toolchain(
3559        &self,
3560        path: PathBuf,
3561        language_name: LanguageName,
3562        cx: &App,
3563    ) -> Task<Result<Toolchain>> {
3564        if let Some(toolchain_store) = self.toolchain_store.as_ref().map(Entity::downgrade) {
3565            cx.spawn(async move |cx| {
3566                toolchain_store
3567                    .update(cx, |this, cx| {
3568                        this.resolve_toolchain(path, language_name, cx)
3569                    })?
3570                    .await
3571            })
3572        } else {
3573            Task::ready(Err(anyhow!("This project does not support toolchains")))
3574        }
3575    }
3576
3577    pub fn toolchain_store(&self) -> Option<Entity<ToolchainStore>> {
3578        self.toolchain_store.clone()
3579    }
3580    pub fn activate_toolchain(
3581        &self,
3582        path: ProjectPath,
3583        toolchain: Toolchain,
3584        cx: &mut App,
3585    ) -> Task<Option<()>> {
3586        let Some(toolchain_store) = self.toolchain_store.clone() else {
3587            return Task::ready(None);
3588        };
3589        toolchain_store.update(cx, |this, cx| this.activate_toolchain(path, toolchain, cx))
3590    }
3591    pub fn active_toolchain(
3592        &self,
3593        path: ProjectPath,
3594        language_name: LanguageName,
3595        cx: &App,
3596    ) -> Task<Option<Toolchain>> {
3597        let Some(toolchain_store) = self.toolchain_store.clone() else {
3598            return Task::ready(None);
3599        };
3600        toolchain_store
3601            .read(cx)
3602            .active_toolchain(path, language_name, cx)
3603    }
3604    pub fn language_server_statuses<'a>(
3605        &'a self,
3606        cx: &'a App,
3607    ) -> impl DoubleEndedIterator<Item = (LanguageServerId, &'a LanguageServerStatus)> {
3608        self.lsp_store.read(cx).language_server_statuses()
3609    }
3610
3611    pub fn last_formatting_failure<'a>(&self, cx: &'a App) -> Option<&'a str> {
3612        self.lsp_store.read(cx).last_formatting_failure()
3613    }
3614
3615    pub fn reset_last_formatting_failure(&self, cx: &mut App) {
3616        self.lsp_store
3617            .update(cx, |store, _| store.reset_last_formatting_failure());
3618    }
3619
3620    pub fn reload_buffers(
3621        &self,
3622        buffers: HashSet<Entity<Buffer>>,
3623        push_to_history: bool,
3624        cx: &mut Context<Self>,
3625    ) -> Task<Result<ProjectTransaction>> {
3626        self.buffer_store.update(cx, |buffer_store, cx| {
3627            buffer_store.reload_buffers(buffers, push_to_history, cx)
3628        })
3629    }
3630
3631    pub fn reload_images(
3632        &self,
3633        images: HashSet<Entity<ImageItem>>,
3634        cx: &mut Context<Self>,
3635    ) -> Task<Result<()>> {
3636        self.image_store
3637            .update(cx, |image_store, cx| image_store.reload_images(images, cx))
3638    }
3639
3640    pub fn format(
3641        &mut self,
3642        buffers: HashSet<Entity<Buffer>>,
3643        target: LspFormatTarget,
3644        push_to_history: bool,
3645        trigger: lsp_store::FormatTrigger,
3646        cx: &mut Context<Project>,
3647    ) -> Task<anyhow::Result<ProjectTransaction>> {
3648        self.lsp_store.update(cx, |lsp_store, cx| {
3649            lsp_store.format(buffers, target, push_to_history, trigger, cx)
3650        })
3651    }
3652
3653    pub fn definitions<T: ToPointUtf16>(
3654        &mut self,
3655        buffer: &Entity<Buffer>,
3656        position: T,
3657        cx: &mut Context<Self>,
3658    ) -> Task<Result<Option<Vec<LocationLink>>>> {
3659        let position = position.to_point_utf16(buffer.read(cx));
3660        let guard = self.retain_remotely_created_models(cx);
3661        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3662            lsp_store.definitions(buffer, position, cx)
3663        });
3664        cx.background_spawn(async move {
3665            let result = task.await;
3666            drop(guard);
3667            result
3668        })
3669    }
3670
3671    pub fn declarations<T: ToPointUtf16>(
3672        &mut self,
3673        buffer: &Entity<Buffer>,
3674        position: T,
3675        cx: &mut Context<Self>,
3676    ) -> Task<Result<Option<Vec<LocationLink>>>> {
3677        let position = position.to_point_utf16(buffer.read(cx));
3678        let guard = self.retain_remotely_created_models(cx);
3679        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3680            lsp_store.declarations(buffer, position, cx)
3681        });
3682        cx.background_spawn(async move {
3683            let result = task.await;
3684            drop(guard);
3685            result
3686        })
3687    }
3688
3689    pub fn type_definitions<T: ToPointUtf16>(
3690        &mut self,
3691        buffer: &Entity<Buffer>,
3692        position: T,
3693        cx: &mut Context<Self>,
3694    ) -> Task<Result<Option<Vec<LocationLink>>>> {
3695        let position = position.to_point_utf16(buffer.read(cx));
3696        let guard = self.retain_remotely_created_models(cx);
3697        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3698            lsp_store.type_definitions(buffer, position, cx)
3699        });
3700        cx.background_spawn(async move {
3701            let result = task.await;
3702            drop(guard);
3703            result
3704        })
3705    }
3706
3707    pub fn implementations<T: ToPointUtf16>(
3708        &mut self,
3709        buffer: &Entity<Buffer>,
3710        position: T,
3711        cx: &mut Context<Self>,
3712    ) -> Task<Result<Option<Vec<LocationLink>>>> {
3713        let position = position.to_point_utf16(buffer.read(cx));
3714        let guard = self.retain_remotely_created_models(cx);
3715        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3716            lsp_store.implementations(buffer, position, cx)
3717        });
3718        cx.background_spawn(async move {
3719            let result = task.await;
3720            drop(guard);
3721            result
3722        })
3723    }
3724
3725    pub fn references<T: ToPointUtf16>(
3726        &mut self,
3727        buffer: &Entity<Buffer>,
3728        position: T,
3729        cx: &mut Context<Self>,
3730    ) -> Task<Result<Option<Vec<Location>>>> {
3731        let position = position.to_point_utf16(buffer.read(cx));
3732        let guard = self.retain_remotely_created_models(cx);
3733        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3734            lsp_store.references(buffer, position, cx)
3735        });
3736        cx.background_spawn(async move {
3737            let result = task.await;
3738            drop(guard);
3739            result
3740        })
3741    }
3742
3743    pub fn document_highlights<T: ToPointUtf16>(
3744        &mut self,
3745        buffer: &Entity<Buffer>,
3746        position: T,
3747        cx: &mut Context<Self>,
3748    ) -> Task<Result<Vec<DocumentHighlight>>> {
3749        let position = position.to_point_utf16(buffer.read(cx));
3750        self.request_lsp(
3751            buffer.clone(),
3752            LanguageServerToQuery::FirstCapable,
3753            GetDocumentHighlights { position },
3754            cx,
3755        )
3756    }
3757
3758    pub fn document_symbols(
3759        &mut self,
3760        buffer: &Entity<Buffer>,
3761        cx: &mut Context<Self>,
3762    ) -> Task<Result<Vec<DocumentSymbol>>> {
3763        self.request_lsp(
3764            buffer.clone(),
3765            LanguageServerToQuery::FirstCapable,
3766            GetDocumentSymbols,
3767            cx,
3768        )
3769    }
3770
3771    pub fn symbols(&self, query: &str, cx: &mut Context<Self>) -> Task<Result<Vec<Symbol>>> {
3772        self.lsp_store
3773            .update(cx, |lsp_store, cx| lsp_store.symbols(query, cx))
3774    }
3775
3776    pub fn open_buffer_for_symbol(
3777        &mut self,
3778        symbol: &Symbol,
3779        cx: &mut Context<Self>,
3780    ) -> Task<Result<Entity<Buffer>>> {
3781        self.lsp_store.update(cx, |lsp_store, cx| {
3782            lsp_store.open_buffer_for_symbol(symbol, cx)
3783        })
3784    }
3785
3786    pub fn open_server_settings(&mut self, cx: &mut Context<Self>) -> Task<Result<Entity<Buffer>>> {
3787        let guard = self.retain_remotely_created_models(cx);
3788        let Some(remote) = self.remote_client.as_ref() else {
3789            return Task::ready(Err(anyhow!("not an ssh project")));
3790        };
3791
3792        let proto_client = remote.read(cx).proto_client();
3793
3794        cx.spawn(async move |project, cx| {
3795            let buffer = proto_client
3796                .request(proto::OpenServerSettings {
3797                    project_id: REMOTE_SERVER_PROJECT_ID,
3798                })
3799                .await?;
3800
3801            let buffer = project
3802                .update(cx, |project, cx| {
3803                    project.buffer_store.update(cx, |buffer_store, cx| {
3804                        anyhow::Ok(
3805                            buffer_store
3806                                .wait_for_remote_buffer(BufferId::new(buffer.buffer_id)?, cx),
3807                        )
3808                    })
3809                })??
3810                .await;
3811
3812            drop(guard);
3813            buffer
3814        })
3815    }
3816
3817    pub fn open_local_buffer_via_lsp(
3818        &mut self,
3819        abs_path: lsp::Uri,
3820        language_server_id: LanguageServerId,
3821        cx: &mut Context<Self>,
3822    ) -> Task<Result<Entity<Buffer>>> {
3823        self.lsp_store.update(cx, |lsp_store, cx| {
3824            lsp_store.open_local_buffer_via_lsp(abs_path, language_server_id, cx)
3825        })
3826    }
3827
3828    pub fn hover<T: ToPointUtf16>(
3829        &self,
3830        buffer: &Entity<Buffer>,
3831        position: T,
3832        cx: &mut Context<Self>,
3833    ) -> Task<Option<Vec<Hover>>> {
3834        let position = position.to_point_utf16(buffer.read(cx));
3835        self.lsp_store
3836            .update(cx, |lsp_store, cx| lsp_store.hover(buffer, position, cx))
3837    }
3838
3839    pub fn linked_edits(
3840        &self,
3841        buffer: &Entity<Buffer>,
3842        position: Anchor,
3843        cx: &mut Context<Self>,
3844    ) -> Task<Result<Vec<Range<Anchor>>>> {
3845        self.lsp_store.update(cx, |lsp_store, cx| {
3846            lsp_store.linked_edits(buffer, position, cx)
3847        })
3848    }
3849
3850    pub fn completions<T: ToOffset + ToPointUtf16>(
3851        &self,
3852        buffer: &Entity<Buffer>,
3853        position: T,
3854        context: CompletionContext,
3855        cx: &mut Context<Self>,
3856    ) -> Task<Result<Vec<CompletionResponse>>> {
3857        let position = position.to_point_utf16(buffer.read(cx));
3858        self.lsp_store.update(cx, |lsp_store, cx| {
3859            lsp_store.completions(buffer, position, context, cx)
3860        })
3861    }
3862
3863    pub fn code_actions<T: Clone + ToOffset>(
3864        &mut self,
3865        buffer_handle: &Entity<Buffer>,
3866        range: Range<T>,
3867        kinds: Option<Vec<CodeActionKind>>,
3868        cx: &mut Context<Self>,
3869    ) -> Task<Result<Option<Vec<CodeAction>>>> {
3870        let buffer = buffer_handle.read(cx);
3871        let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
3872        self.lsp_store.update(cx, |lsp_store, cx| {
3873            lsp_store.code_actions(buffer_handle, range, kinds, cx)
3874        })
3875    }
3876
3877    pub fn code_lens_actions<T: Clone + ToOffset>(
3878        &mut self,
3879        buffer: &Entity<Buffer>,
3880        range: Range<T>,
3881        cx: &mut Context<Self>,
3882    ) -> Task<Result<Option<Vec<CodeAction>>>> {
3883        let snapshot = buffer.read(cx).snapshot();
3884        let range = range.to_point(&snapshot);
3885        let range_start = snapshot.anchor_before(range.start);
3886        let range_end = if range.start == range.end {
3887            range_start
3888        } else {
3889            snapshot.anchor_after(range.end)
3890        };
3891        let range = range_start..range_end;
3892        let code_lens_actions = self
3893            .lsp_store
3894            .update(cx, |lsp_store, cx| lsp_store.code_lens_actions(buffer, cx));
3895
3896        cx.background_spawn(async move {
3897            let mut code_lens_actions = code_lens_actions
3898                .await
3899                .map_err(|e| anyhow!("code lens fetch failed: {e:#}"))?;
3900            if let Some(code_lens_actions) = &mut code_lens_actions {
3901                code_lens_actions.retain(|code_lens_action| {
3902                    range
3903                        .start
3904                        .cmp(&code_lens_action.range.start, &snapshot)
3905                        .is_ge()
3906                        && range
3907                            .end
3908                            .cmp(&code_lens_action.range.end, &snapshot)
3909                            .is_le()
3910                });
3911            }
3912            Ok(code_lens_actions)
3913        })
3914    }
3915
3916    pub fn apply_code_action(
3917        &self,
3918        buffer_handle: Entity<Buffer>,
3919        action: CodeAction,
3920        push_to_history: bool,
3921        cx: &mut Context<Self>,
3922    ) -> Task<Result<ProjectTransaction>> {
3923        self.lsp_store.update(cx, |lsp_store, cx| {
3924            lsp_store.apply_code_action(buffer_handle, action, push_to_history, cx)
3925        })
3926    }
3927
3928    pub fn apply_code_action_kind(
3929        &self,
3930        buffers: HashSet<Entity<Buffer>>,
3931        kind: CodeActionKind,
3932        push_to_history: bool,
3933        cx: &mut Context<Self>,
3934    ) -> Task<Result<ProjectTransaction>> {
3935        self.lsp_store.update(cx, |lsp_store, cx| {
3936            lsp_store.apply_code_action_kind(buffers, kind, push_to_history, cx)
3937        })
3938    }
3939
3940    pub fn prepare_rename<T: ToPointUtf16>(
3941        &mut self,
3942        buffer: Entity<Buffer>,
3943        position: T,
3944        cx: &mut Context<Self>,
3945    ) -> Task<Result<PrepareRenameResponse>> {
3946        let position = position.to_point_utf16(buffer.read(cx));
3947        self.request_lsp(
3948            buffer,
3949            LanguageServerToQuery::FirstCapable,
3950            PrepareRename { position },
3951            cx,
3952        )
3953    }
3954
3955    pub fn perform_rename<T: ToPointUtf16>(
3956        &mut self,
3957        buffer: Entity<Buffer>,
3958        position: T,
3959        new_name: String,
3960        cx: &mut Context<Self>,
3961    ) -> Task<Result<ProjectTransaction>> {
3962        let push_to_history = true;
3963        let position = position.to_point_utf16(buffer.read(cx));
3964        self.request_lsp(
3965            buffer,
3966            LanguageServerToQuery::FirstCapable,
3967            PerformRename {
3968                position,
3969                new_name,
3970                push_to_history,
3971            },
3972            cx,
3973        )
3974    }
3975
3976    pub fn on_type_format<T: ToPointUtf16>(
3977        &mut self,
3978        buffer: Entity<Buffer>,
3979        position: T,
3980        trigger: String,
3981        push_to_history: bool,
3982        cx: &mut Context<Self>,
3983    ) -> Task<Result<Option<Transaction>>> {
3984        self.lsp_store.update(cx, |lsp_store, cx| {
3985            lsp_store.on_type_format(buffer, position, trigger, push_to_history, cx)
3986        })
3987    }
3988
3989    pub fn inline_values(
3990        &mut self,
3991        session: Entity<Session>,
3992        active_stack_frame: ActiveStackFrame,
3993        buffer_handle: Entity<Buffer>,
3994        range: Range<text::Anchor>,
3995        cx: &mut Context<Self>,
3996    ) -> Task<anyhow::Result<Vec<InlayHint>>> {
3997        let snapshot = buffer_handle.read(cx).snapshot();
3998
3999        let captures = snapshot.debug_variables_query(Anchor::MIN..range.end);
4000
4001        let row = snapshot
4002            .summary_for_anchor::<text::PointUtf16>(&range.end)
4003            .row as usize;
4004
4005        let inline_value_locations = provide_inline_values(captures, &snapshot, row);
4006
4007        let stack_frame_id = active_stack_frame.stack_frame_id;
4008        cx.spawn(async move |this, cx| {
4009            this.update(cx, |project, cx| {
4010                project.dap_store().update(cx, |dap_store, cx| {
4011                    dap_store.resolve_inline_value_locations(
4012                        session,
4013                        stack_frame_id,
4014                        buffer_handle,
4015                        inline_value_locations,
4016                        cx,
4017                    )
4018                })
4019            })?
4020            .await
4021        })
4022    }
4023
4024    pub fn search(&mut self, query: SearchQuery, cx: &mut Context<Self>) -> Receiver<SearchResult> {
4025        let (result_tx, result_rx) = smol::channel::unbounded();
4026
4027        let matching_buffers_rx = if query.is_opened_only() {
4028            self.sort_search_candidates(&query, cx)
4029        } else {
4030            self.find_search_candidate_buffers(&query, MAX_SEARCH_RESULT_FILES + 1, cx)
4031        };
4032
4033        cx.spawn(async move |_, cx| {
4034            let mut range_count = 0;
4035            let mut buffer_count = 0;
4036            let mut limit_reached = false;
4037            let query = Arc::new(query);
4038            let chunks = matching_buffers_rx.ready_chunks(64);
4039
4040            // Now that we know what paths match the query, we will load at most
4041            // 64 buffers at a time to avoid overwhelming the main thread. For each
4042            // opened buffer, we will spawn a background task that retrieves all the
4043            // ranges in the buffer matched by the query.
4044            let mut chunks = pin!(chunks);
4045            'outer: while let Some(matching_buffer_chunk) = chunks.next().await {
4046                let mut chunk_results = Vec::with_capacity(matching_buffer_chunk.len());
4047                for buffer in matching_buffer_chunk {
4048                    let query = query.clone();
4049                    let snapshot = buffer.read_with(cx, |buffer, _| buffer.snapshot())?;
4050                    chunk_results.push(cx.background_spawn(async move {
4051                        let ranges = query
4052                            .search(&snapshot, None)
4053                            .await
4054                            .iter()
4055                            .map(|range| {
4056                                snapshot.anchor_before(range.start)
4057                                    ..snapshot.anchor_after(range.end)
4058                            })
4059                            .collect::<Vec<_>>();
4060                        anyhow::Ok((buffer, ranges))
4061                    }));
4062                }
4063
4064                let chunk_results = futures::future::join_all(chunk_results).await;
4065                for result in chunk_results {
4066                    if let Some((buffer, ranges)) = result.log_err() {
4067                        range_count += ranges.len();
4068                        buffer_count += 1;
4069                        result_tx
4070                            .send(SearchResult::Buffer { buffer, ranges })
4071                            .await?;
4072                        if buffer_count > MAX_SEARCH_RESULT_FILES
4073                            || range_count > MAX_SEARCH_RESULT_RANGES
4074                        {
4075                            limit_reached = true;
4076                            break 'outer;
4077                        }
4078                    }
4079                }
4080            }
4081
4082            if limit_reached {
4083                result_tx.send(SearchResult::LimitReached).await?;
4084            }
4085
4086            anyhow::Ok(())
4087        })
4088        .detach();
4089
4090        result_rx
4091    }
4092
4093    fn find_search_candidate_buffers(
4094        &mut self,
4095        query: &SearchQuery,
4096        limit: usize,
4097        cx: &mut Context<Project>,
4098    ) -> Receiver<Entity<Buffer>> {
4099        if self.is_local() {
4100            let fs = self.fs.clone();
4101            self.buffer_store.update(cx, |buffer_store, cx| {
4102                buffer_store.find_search_candidates(query, limit, fs, cx)
4103            })
4104        } else {
4105            self.find_search_candidates_remote(query, limit, cx)
4106        }
4107    }
4108
4109    fn sort_search_candidates(
4110        &mut self,
4111        search_query: &SearchQuery,
4112        cx: &mut Context<Project>,
4113    ) -> Receiver<Entity<Buffer>> {
4114        let worktree_store = self.worktree_store.read(cx);
4115        let mut buffers = search_query
4116            .buffers()
4117            .into_iter()
4118            .flatten()
4119            .filter(|buffer| {
4120                let b = buffer.read(cx);
4121                if let Some(file) = b.file() {
4122                    if !search_query.match_path(file.path().as_std_path()) {
4123                        return false;
4124                    }
4125                    if let Some(entry) = b
4126                        .entry_id(cx)
4127                        .and_then(|entry_id| worktree_store.entry_for_id(entry_id, cx))
4128                        && entry.is_ignored
4129                        && !search_query.include_ignored()
4130                    {
4131                        return false;
4132                    }
4133                }
4134                true
4135            })
4136            .collect::<Vec<_>>();
4137        let (tx, rx) = smol::channel::unbounded();
4138        buffers.sort_by(|a, b| match (a.read(cx).file(), b.read(cx).file()) {
4139            (None, None) => a.read(cx).remote_id().cmp(&b.read(cx).remote_id()),
4140            (None, Some(_)) => std::cmp::Ordering::Less,
4141            (Some(_), None) => std::cmp::Ordering::Greater,
4142            (Some(a), Some(b)) => compare_paths(
4143                (a.path().as_std_path(), true),
4144                (b.path().as_std_path(), true),
4145            ),
4146        });
4147        for buffer in buffers {
4148            tx.send_blocking(buffer.clone()).unwrap()
4149        }
4150
4151        rx
4152    }
4153
4154    fn find_search_candidates_remote(
4155        &mut self,
4156        query: &SearchQuery,
4157        limit: usize,
4158        cx: &mut Context<Project>,
4159    ) -> Receiver<Entity<Buffer>> {
4160        let (tx, rx) = smol::channel::unbounded();
4161
4162        let (client, remote_id): (AnyProtoClient, _) = if let Some(ssh_client) = &self.remote_client
4163        {
4164            (ssh_client.read(cx).proto_client(), 0)
4165        } else if let Some(remote_id) = self.remote_id() {
4166            (self.collab_client.clone().into(), remote_id)
4167        } else {
4168            return rx;
4169        };
4170
4171        let request = client.request(proto::FindSearchCandidates {
4172            project_id: remote_id,
4173            query: Some(query.to_proto()),
4174            limit: limit as _,
4175        });
4176        let guard = self.retain_remotely_created_models(cx);
4177
4178        cx.spawn(async move |project, cx| {
4179            let response = request.await?;
4180            for buffer_id in response.buffer_ids {
4181                let buffer_id = BufferId::new(buffer_id)?;
4182                let buffer = project
4183                    .update(cx, |project, cx| {
4184                        project.buffer_store.update(cx, |buffer_store, cx| {
4185                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
4186                        })
4187                    })?
4188                    .await?;
4189                let _ = tx.send(buffer).await;
4190            }
4191
4192            drop(guard);
4193            anyhow::Ok(())
4194        })
4195        .detach_and_log_err(cx);
4196        rx
4197    }
4198
4199    pub fn request_lsp<R: LspCommand>(
4200        &mut self,
4201        buffer_handle: Entity<Buffer>,
4202        server: LanguageServerToQuery,
4203        request: R,
4204        cx: &mut Context<Self>,
4205    ) -> Task<Result<R::Response>>
4206    where
4207        <R::LspRequest as lsp::request::Request>::Result: Send,
4208        <R::LspRequest as lsp::request::Request>::Params: Send,
4209    {
4210        let guard = self.retain_remotely_created_models(cx);
4211        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4212            lsp_store.request_lsp(buffer_handle, server, request, cx)
4213        });
4214        cx.background_spawn(async move {
4215            let result = task.await;
4216            drop(guard);
4217            result
4218        })
4219    }
4220
4221    /// Move a worktree to a new position in the worktree order.
4222    ///
4223    /// The worktree will moved to the opposite side of the destination worktree.
4224    ///
4225    /// # Example
4226    ///
4227    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `33`,
4228    /// worktree_order will be updated to produce the indexes `[11, 33, 22]`.
4229    ///
4230    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `11`,
4231    /// worktree_order will be updated to produce the indexes `[22, 11, 33]`.
4232    ///
4233    /// # Errors
4234    ///
4235    /// An error will be returned if the worktree or destination worktree are not found.
4236    pub fn move_worktree(
4237        &mut self,
4238        source: WorktreeId,
4239        destination: WorktreeId,
4240        cx: &mut Context<Self>,
4241    ) -> Result<()> {
4242        self.worktree_store.update(cx, |worktree_store, cx| {
4243            worktree_store.move_worktree(source, destination, cx)
4244        })
4245    }
4246
4247    pub fn find_or_create_worktree(
4248        &mut self,
4249        abs_path: impl AsRef<Path>,
4250        visible: bool,
4251        cx: &mut Context<Self>,
4252    ) -> Task<Result<(Entity<Worktree>, Arc<RelPath>)>> {
4253        self.worktree_store.update(cx, |worktree_store, cx| {
4254            worktree_store.find_or_create_worktree(abs_path, visible, cx)
4255        })
4256    }
4257
4258    pub fn find_worktree(
4259        &self,
4260        abs_path: &Path,
4261        cx: &App,
4262    ) -> Option<(Entity<Worktree>, Arc<RelPath>)> {
4263        self.worktree_store.read(cx).find_worktree(abs_path, cx)
4264    }
4265
4266    pub fn is_shared(&self) -> bool {
4267        match &self.client_state {
4268            ProjectClientState::Shared { .. } => true,
4269            ProjectClientState::Local => false,
4270            ProjectClientState::Remote { .. } => true,
4271        }
4272    }
4273
4274    /// Returns the resolved version of `path`, that was found in `buffer`, if it exists.
4275    pub fn resolve_path_in_buffer(
4276        &self,
4277        path: &str,
4278        buffer: &Entity<Buffer>,
4279        cx: &mut Context<Self>,
4280    ) -> Task<Option<ResolvedPath>> {
4281        if util::paths::is_absolute(path, self.path_style(cx)) || path.starts_with("~") {
4282            self.resolve_abs_path(path, cx)
4283        } else {
4284            self.resolve_path_in_worktrees(path, buffer, cx)
4285        }
4286    }
4287
4288    pub fn resolve_abs_file_path(
4289        &self,
4290        path: &str,
4291        cx: &mut Context<Self>,
4292    ) -> Task<Option<ResolvedPath>> {
4293        let resolve_task = self.resolve_abs_path(path, cx);
4294        cx.background_spawn(async move {
4295            let resolved_path = resolve_task.await;
4296            resolved_path.filter(|path| path.is_file())
4297        })
4298    }
4299
4300    pub fn resolve_abs_path(&self, path: &str, cx: &App) -> Task<Option<ResolvedPath>> {
4301        if self.is_local() {
4302            let expanded = PathBuf::from(shellexpand::tilde(&path).into_owned());
4303            let fs = self.fs.clone();
4304            cx.background_spawn(async move {
4305                let metadata = fs.metadata(&expanded).await.ok().flatten();
4306
4307                metadata.map(|metadata| ResolvedPath::AbsPath {
4308                    path: expanded.to_string_lossy().into_owned(),
4309                    is_dir: metadata.is_dir,
4310                })
4311            })
4312        } else if let Some(ssh_client) = self.remote_client.as_ref() {
4313            let request = ssh_client
4314                .read(cx)
4315                .proto_client()
4316                .request(proto::GetPathMetadata {
4317                    project_id: REMOTE_SERVER_PROJECT_ID,
4318                    path: path.into(),
4319                });
4320            cx.background_spawn(async move {
4321                let response = request.await.log_err()?;
4322                if response.exists {
4323                    Some(ResolvedPath::AbsPath {
4324                        path: response.path,
4325                        is_dir: response.is_dir,
4326                    })
4327                } else {
4328                    None
4329                }
4330            })
4331        } else {
4332            Task::ready(None)
4333        }
4334    }
4335
4336    fn resolve_path_in_worktrees(
4337        &self,
4338        path: &str,
4339        buffer: &Entity<Buffer>,
4340        cx: &mut Context<Self>,
4341    ) -> Task<Option<ResolvedPath>> {
4342        let mut candidates = vec![];
4343        let path_style = self.path_style(cx);
4344        if let Ok(path) = RelPath::new(path.as_ref(), path_style) {
4345            candidates.push(path.into_arc());
4346        }
4347
4348        if let Some(file) = buffer.read(cx).file()
4349            && let Some(dir) = file.path().parent()
4350        {
4351            if let Some(joined) = path_style.join(&*dir.display(path_style), path)
4352                && let Some(joined) = RelPath::new(joined.as_ref(), path_style).ok()
4353            {
4354                candidates.push(joined.into_arc());
4355            }
4356        }
4357
4358        let buffer_worktree_id = buffer.read(cx).file().map(|file| file.worktree_id(cx));
4359        let worktrees_with_ids: Vec<_> = self
4360            .worktrees(cx)
4361            .map(|worktree| {
4362                let id = worktree.read(cx).id();
4363                (worktree, id)
4364            })
4365            .collect();
4366
4367        cx.spawn(async move |_, cx| {
4368            if let Some(buffer_worktree_id) = buffer_worktree_id
4369                && let Some((worktree, _)) = worktrees_with_ids
4370                    .iter()
4371                    .find(|(_, id)| *id == buffer_worktree_id)
4372            {
4373                for candidate in candidates.iter() {
4374                    if let Some(path) = Self::resolve_path_in_worktree(worktree, candidate, cx) {
4375                        return Some(path);
4376                    }
4377                }
4378            }
4379            for (worktree, id) in worktrees_with_ids {
4380                if Some(id) == buffer_worktree_id {
4381                    continue;
4382                }
4383                for candidate in candidates.iter() {
4384                    if let Some(path) = Self::resolve_path_in_worktree(&worktree, candidate, cx) {
4385                        return Some(path);
4386                    }
4387                }
4388            }
4389            None
4390        })
4391    }
4392
4393    fn resolve_path_in_worktree(
4394        worktree: &Entity<Worktree>,
4395        path: &RelPath,
4396        cx: &mut AsyncApp,
4397    ) -> Option<ResolvedPath> {
4398        worktree
4399            .read_with(cx, |worktree, _| {
4400                worktree.entry_for_path(path).map(|entry| {
4401                    let project_path = ProjectPath {
4402                        worktree_id: worktree.id(),
4403                        path: entry.path.clone(),
4404                    };
4405                    ResolvedPath::ProjectPath {
4406                        project_path,
4407                        is_dir: entry.is_dir(),
4408                    }
4409                })
4410            })
4411            .ok()?
4412    }
4413
4414    pub fn list_directory(
4415        &self,
4416        query: String,
4417        cx: &mut Context<Self>,
4418    ) -> Task<Result<Vec<DirectoryItem>>> {
4419        if self.is_local() {
4420            DirectoryLister::Local(cx.entity(), self.fs.clone()).list_directory(query, cx)
4421        } else if let Some(session) = self.remote_client.as_ref() {
4422            let request = proto::ListRemoteDirectory {
4423                dev_server_id: REMOTE_SERVER_PROJECT_ID,
4424                path: query,
4425                config: Some(proto::ListRemoteDirectoryConfig { is_dir: true }),
4426            };
4427
4428            let response = session.read(cx).proto_client().request(request);
4429            cx.background_spawn(async move {
4430                let proto::ListRemoteDirectoryResponse {
4431                    entries,
4432                    entry_info,
4433                } = response.await?;
4434                Ok(entries
4435                    .into_iter()
4436                    .zip(entry_info)
4437                    .map(|(entry, info)| DirectoryItem {
4438                        path: PathBuf::from(entry),
4439                        is_dir: info.is_dir,
4440                    })
4441                    .collect())
4442            })
4443        } else {
4444            Task::ready(Err(anyhow!("cannot list directory in remote project")))
4445        }
4446    }
4447
4448    pub fn create_worktree(
4449        &mut self,
4450        abs_path: impl AsRef<Path>,
4451        visible: bool,
4452        cx: &mut Context<Self>,
4453    ) -> Task<Result<Entity<Worktree>>> {
4454        self.worktree_store.update(cx, |worktree_store, cx| {
4455            worktree_store.create_worktree(abs_path, visible, cx)
4456        })
4457    }
4458
4459    pub fn remove_worktree(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
4460        self.worktree_store.update(cx, |worktree_store, cx| {
4461            worktree_store.remove_worktree(id_to_remove, cx);
4462        });
4463    }
4464
4465    fn add_worktree(&mut self, worktree: &Entity<Worktree>, cx: &mut Context<Self>) {
4466        self.worktree_store.update(cx, |worktree_store, cx| {
4467            worktree_store.add(worktree, cx);
4468        });
4469    }
4470
4471    pub fn set_active_path(&mut self, entry: Option<ProjectPath>, cx: &mut Context<Self>) {
4472        let new_active_entry = entry.and_then(|project_path| {
4473            let worktree = self.worktree_for_id(project_path.worktree_id, cx)?;
4474            let entry = worktree.read(cx).entry_for_path(&project_path.path)?;
4475            Some(entry.id)
4476        });
4477        if new_active_entry != self.active_entry {
4478            self.active_entry = new_active_entry;
4479            self.lsp_store.update(cx, |lsp_store, _| {
4480                lsp_store.set_active_entry(new_active_entry);
4481            });
4482            cx.emit(Event::ActiveEntryChanged(new_active_entry));
4483        }
4484    }
4485
4486    pub fn language_servers_running_disk_based_diagnostics<'a>(
4487        &'a self,
4488        cx: &'a App,
4489    ) -> impl Iterator<Item = LanguageServerId> + 'a {
4490        self.lsp_store
4491            .read(cx)
4492            .language_servers_running_disk_based_diagnostics()
4493    }
4494
4495    pub fn diagnostic_summary(&self, include_ignored: bool, cx: &App) -> DiagnosticSummary {
4496        self.lsp_store
4497            .read(cx)
4498            .diagnostic_summary(include_ignored, cx)
4499    }
4500
4501    /// Returns a summary of the diagnostics for the provided project path only.
4502    pub fn diagnostic_summary_for_path(&self, path: &ProjectPath, cx: &App) -> DiagnosticSummary {
4503        self.lsp_store
4504            .read(cx)
4505            .diagnostic_summary_for_path(path, cx)
4506    }
4507
4508    pub fn diagnostic_summaries<'a>(
4509        &'a self,
4510        include_ignored: bool,
4511        cx: &'a App,
4512    ) -> impl Iterator<Item = (ProjectPath, LanguageServerId, DiagnosticSummary)> + 'a {
4513        self.lsp_store
4514            .read(cx)
4515            .diagnostic_summaries(include_ignored, cx)
4516    }
4517
4518    pub fn active_entry(&self) -> Option<ProjectEntryId> {
4519        self.active_entry
4520    }
4521
4522    pub fn entry_for_path<'a>(&'a self, path: &ProjectPath, cx: &'a App) -> Option<&'a Entry> {
4523        self.worktree_store.read(cx).entry_for_path(path, cx)
4524    }
4525
4526    pub fn path_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<ProjectPath> {
4527        let worktree = self.worktree_for_entry(entry_id, cx)?;
4528        let worktree = worktree.read(cx);
4529        let worktree_id = worktree.id();
4530        let path = worktree.entry_for_id(entry_id)?.path.clone();
4531        Some(ProjectPath { worktree_id, path })
4532    }
4533
4534    pub fn absolute_path(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4535        Some(
4536            self.worktree_for_id(project_path.worktree_id, cx)?
4537                .read(cx)
4538                .absolutize(&project_path.path),
4539        )
4540    }
4541
4542    /// Attempts to find a `ProjectPath` corresponding to the given path. If the path
4543    /// is a *full path*, meaning it starts with the root name of a worktree, we'll locate
4544    /// it in that worktree. Otherwise, we'll attempt to find it as a relative path in
4545    /// the first visible worktree that has an entry for that relative path.
4546    ///
4547    /// We use this to resolve edit steps, when there's a chance an LLM may omit the workree
4548    /// root name from paths.
4549    ///
4550    /// # Arguments
4551    ///
4552    /// * `path` - An absolute path, or a full path that starts with a worktree root name, or a
4553    ///   relative path within a visible worktree.
4554    /// * `cx` - A reference to the `AppContext`.
4555    ///
4556    /// # Returns
4557    ///
4558    /// Returns `Some(ProjectPath)` if a matching worktree is found, otherwise `None`.
4559    pub fn find_project_path(&self, path: impl AsRef<Path>, cx: &App) -> Option<ProjectPath> {
4560        let path_style = self.path_style(cx);
4561        let path = path.as_ref();
4562        let worktree_store = self.worktree_store.read(cx);
4563
4564        if is_absolute(&path.to_string_lossy(), path_style) {
4565            for worktree in worktree_store.visible_worktrees(cx) {
4566                let worktree_abs_path = worktree.read(cx).abs_path();
4567
4568                if let Ok(relative_path) = path.strip_prefix(worktree_abs_path)
4569                    && let Ok(path) = RelPath::new(relative_path, path_style)
4570                {
4571                    return Some(ProjectPath {
4572                        worktree_id: worktree.read(cx).id(),
4573                        path: path.into_arc(),
4574                    });
4575                }
4576            }
4577        } else {
4578            for worktree in worktree_store.visible_worktrees(cx) {
4579                let worktree_root_name = worktree.read(cx).root_name();
4580                if let Ok(relative_path) = path.strip_prefix(worktree_root_name.as_std_path())
4581                    && let Ok(path) = RelPath::new(relative_path, path_style)
4582                {
4583                    return Some(ProjectPath {
4584                        worktree_id: worktree.read(cx).id(),
4585                        path: path.into_arc(),
4586                    });
4587                }
4588            }
4589
4590            for worktree in worktree_store.visible_worktrees(cx) {
4591                let worktree = worktree.read(cx);
4592                if let Ok(path) = RelPath::new(path, path_style)
4593                    && let Some(entry) = worktree.entry_for_path(&path)
4594                {
4595                    return Some(ProjectPath {
4596                        worktree_id: worktree.id(),
4597                        path: entry.path.clone(),
4598                    });
4599                }
4600            }
4601        }
4602
4603        None
4604    }
4605
4606    /// If there's only one visible worktree, returns the given worktree-relative path with no prefix.
4607    ///
4608    /// Otherwise, returns the full path for the project path (obtained by prefixing the worktree-relative path with the name of the worktree).
4609    pub fn short_full_path_for_project_path(
4610        &self,
4611        project_path: &ProjectPath,
4612        cx: &App,
4613    ) -> Option<String> {
4614        let path_style = self.path_style(cx);
4615        if self.visible_worktrees(cx).take(2).count() < 2 {
4616            return Some(project_path.path.display(path_style).to_string());
4617        }
4618        self.worktree_for_id(project_path.worktree_id, cx)
4619            .map(|worktree| {
4620                let worktree_name = worktree.read(cx).root_name();
4621                worktree_name
4622                    .join(&project_path.path)
4623                    .display(path_style)
4624                    .to_string()
4625            })
4626    }
4627
4628    pub fn project_path_for_absolute_path(&self, abs_path: &Path, cx: &App) -> Option<ProjectPath> {
4629        self.find_worktree(abs_path, cx)
4630            .map(|(worktree, relative_path)| ProjectPath {
4631                worktree_id: worktree.read(cx).id(),
4632                path: relative_path,
4633            })
4634    }
4635
4636    pub fn get_workspace_root(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4637        Some(
4638            self.worktree_for_id(project_path.worktree_id, cx)?
4639                .read(cx)
4640                .abs_path()
4641                .to_path_buf(),
4642        )
4643    }
4644
4645    pub fn blame_buffer(
4646        &self,
4647        buffer: &Entity<Buffer>,
4648        version: Option<clock::Global>,
4649        cx: &mut App,
4650    ) -> Task<Result<Option<Blame>>> {
4651        self.git_store.update(cx, |git_store, cx| {
4652            git_store.blame_buffer(buffer, version, cx)
4653        })
4654    }
4655
4656    pub fn get_permalink_to_line(
4657        &self,
4658        buffer: &Entity<Buffer>,
4659        selection: Range<u32>,
4660        cx: &mut App,
4661    ) -> Task<Result<url::Url>> {
4662        self.git_store.update(cx, |git_store, cx| {
4663            git_store.get_permalink_to_line(buffer, selection, cx)
4664        })
4665    }
4666
4667    // RPC message handlers
4668
4669    async fn handle_unshare_project(
4670        this: Entity<Self>,
4671        _: TypedEnvelope<proto::UnshareProject>,
4672        mut cx: AsyncApp,
4673    ) -> Result<()> {
4674        this.update(&mut cx, |this, cx| {
4675            if this.is_local() || this.is_via_remote_server() {
4676                this.unshare(cx)?;
4677            } else {
4678                this.disconnected_from_host(cx);
4679            }
4680            Ok(())
4681        })?
4682    }
4683
4684    async fn handle_add_collaborator(
4685        this: Entity<Self>,
4686        mut envelope: TypedEnvelope<proto::AddProjectCollaborator>,
4687        mut cx: AsyncApp,
4688    ) -> Result<()> {
4689        let collaborator = envelope
4690            .payload
4691            .collaborator
4692            .take()
4693            .context("empty collaborator")?;
4694
4695        let collaborator = Collaborator::from_proto(collaborator)?;
4696        this.update(&mut cx, |this, cx| {
4697            this.buffer_store.update(cx, |buffer_store, _| {
4698                buffer_store.forget_shared_buffers_for(&collaborator.peer_id);
4699            });
4700            this.breakpoint_store.read(cx).broadcast();
4701            cx.emit(Event::CollaboratorJoined(collaborator.peer_id));
4702            this.collaborators
4703                .insert(collaborator.peer_id, collaborator);
4704        })?;
4705
4706        Ok(())
4707    }
4708
4709    async fn handle_update_project_collaborator(
4710        this: Entity<Self>,
4711        envelope: TypedEnvelope<proto::UpdateProjectCollaborator>,
4712        mut cx: AsyncApp,
4713    ) -> Result<()> {
4714        let old_peer_id = envelope
4715            .payload
4716            .old_peer_id
4717            .context("missing old peer id")?;
4718        let new_peer_id = envelope
4719            .payload
4720            .new_peer_id
4721            .context("missing new peer id")?;
4722        this.update(&mut cx, |this, cx| {
4723            let collaborator = this
4724                .collaborators
4725                .remove(&old_peer_id)
4726                .context("received UpdateProjectCollaborator for unknown peer")?;
4727            let is_host = collaborator.is_host;
4728            this.collaborators.insert(new_peer_id, collaborator);
4729
4730            log::info!("peer {} became {}", old_peer_id, new_peer_id,);
4731            this.buffer_store.update(cx, |buffer_store, _| {
4732                buffer_store.update_peer_id(&old_peer_id, new_peer_id)
4733            });
4734
4735            if is_host {
4736                this.buffer_store
4737                    .update(cx, |buffer_store, _| buffer_store.discard_incomplete());
4738                this.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
4739                    .unwrap();
4740                cx.emit(Event::HostReshared);
4741            }
4742
4743            cx.emit(Event::CollaboratorUpdated {
4744                old_peer_id,
4745                new_peer_id,
4746            });
4747            Ok(())
4748        })?
4749    }
4750
4751    async fn handle_remove_collaborator(
4752        this: Entity<Self>,
4753        envelope: TypedEnvelope<proto::RemoveProjectCollaborator>,
4754        mut cx: AsyncApp,
4755    ) -> Result<()> {
4756        this.update(&mut cx, |this, cx| {
4757            let peer_id = envelope.payload.peer_id.context("invalid peer id")?;
4758            let replica_id = this
4759                .collaborators
4760                .remove(&peer_id)
4761                .with_context(|| format!("unknown peer {peer_id:?}"))?
4762                .replica_id;
4763            this.buffer_store.update(cx, |buffer_store, cx| {
4764                buffer_store.forget_shared_buffers_for(&peer_id);
4765                for buffer in buffer_store.buffers() {
4766                    buffer.update(cx, |buffer, cx| buffer.remove_peer(replica_id, cx));
4767                }
4768            });
4769            this.git_store.update(cx, |git_store, _| {
4770                git_store.forget_shared_diffs_for(&peer_id);
4771            });
4772
4773            cx.emit(Event::CollaboratorLeft(peer_id));
4774            Ok(())
4775        })?
4776    }
4777
4778    async fn handle_update_project(
4779        this: Entity<Self>,
4780        envelope: TypedEnvelope<proto::UpdateProject>,
4781        mut cx: AsyncApp,
4782    ) -> Result<()> {
4783        this.update(&mut cx, |this, cx| {
4784            // Don't handle messages that were sent before the response to us joining the project
4785            if envelope.message_id > this.join_project_response_message_id {
4786                this.set_worktrees_from_proto(envelope.payload.worktrees, cx)?;
4787            }
4788            Ok(())
4789        })?
4790    }
4791
4792    async fn handle_toast(
4793        this: Entity<Self>,
4794        envelope: TypedEnvelope<proto::Toast>,
4795        mut cx: AsyncApp,
4796    ) -> Result<()> {
4797        this.update(&mut cx, |_, cx| {
4798            cx.emit(Event::Toast {
4799                notification_id: envelope.payload.notification_id.into(),
4800                message: envelope.payload.message,
4801            });
4802            Ok(())
4803        })?
4804    }
4805
4806    async fn handle_language_server_prompt_request(
4807        this: Entity<Self>,
4808        envelope: TypedEnvelope<proto::LanguageServerPromptRequest>,
4809        mut cx: AsyncApp,
4810    ) -> Result<proto::LanguageServerPromptResponse> {
4811        let (tx, rx) = smol::channel::bounded(1);
4812        let actions: Vec<_> = envelope
4813            .payload
4814            .actions
4815            .into_iter()
4816            .map(|action| MessageActionItem {
4817                title: action,
4818                properties: Default::default(),
4819            })
4820            .collect();
4821        this.update(&mut cx, |_, cx| {
4822            cx.emit(Event::LanguageServerPrompt(LanguageServerPromptRequest {
4823                level: proto_to_prompt(envelope.payload.level.context("Invalid prompt level")?),
4824                message: envelope.payload.message,
4825                actions: actions.clone(),
4826                lsp_name: envelope.payload.lsp_name,
4827                response_channel: tx,
4828            }));
4829
4830            anyhow::Ok(())
4831        })??;
4832
4833        // We drop `this` to avoid holding a reference in this future for too
4834        // long.
4835        // If we keep the reference, we might not drop the `Project` early
4836        // enough when closing a window and it will only get releases on the
4837        // next `flush_effects()` call.
4838        drop(this);
4839
4840        let mut rx = pin!(rx);
4841        let answer = rx.next().await;
4842
4843        Ok(LanguageServerPromptResponse {
4844            action_response: answer.and_then(|answer| {
4845                actions
4846                    .iter()
4847                    .position(|action| *action == answer)
4848                    .map(|index| index as u64)
4849            }),
4850        })
4851    }
4852
4853    async fn handle_hide_toast(
4854        this: Entity<Self>,
4855        envelope: TypedEnvelope<proto::HideToast>,
4856        mut cx: AsyncApp,
4857    ) -> Result<()> {
4858        this.update(&mut cx, |_, cx| {
4859            cx.emit(Event::HideToast {
4860                notification_id: envelope.payload.notification_id.into(),
4861            });
4862            Ok(())
4863        })?
4864    }
4865
4866    // Collab sends UpdateWorktree protos as messages
4867    async fn handle_update_worktree(
4868        this: Entity<Self>,
4869        envelope: TypedEnvelope<proto::UpdateWorktree>,
4870        mut cx: AsyncApp,
4871    ) -> Result<()> {
4872        this.update(&mut cx, |this, cx| {
4873            let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
4874            if let Some(worktree) = this.worktree_for_id(worktree_id, cx) {
4875                worktree.update(cx, |worktree, _| {
4876                    let worktree = worktree.as_remote_mut().unwrap();
4877                    worktree.update_from_remote(envelope.payload);
4878                });
4879            }
4880            Ok(())
4881        })?
4882    }
4883
4884    async fn handle_update_buffer_from_remote_server(
4885        this: Entity<Self>,
4886        envelope: TypedEnvelope<proto::UpdateBuffer>,
4887        cx: AsyncApp,
4888    ) -> Result<proto::Ack> {
4889        let buffer_store = this.read_with(&cx, |this, cx| {
4890            if let Some(remote_id) = this.remote_id() {
4891                let mut payload = envelope.payload.clone();
4892                payload.project_id = remote_id;
4893                cx.background_spawn(this.collab_client.request(payload))
4894                    .detach_and_log_err(cx);
4895            }
4896            this.buffer_store.clone()
4897        })?;
4898        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
4899    }
4900
4901    async fn handle_update_buffer(
4902        this: Entity<Self>,
4903        envelope: TypedEnvelope<proto::UpdateBuffer>,
4904        cx: AsyncApp,
4905    ) -> Result<proto::Ack> {
4906        let buffer_store = this.read_with(&cx, |this, cx| {
4907            if let Some(ssh) = &this.remote_client {
4908                let mut payload = envelope.payload.clone();
4909                payload.project_id = REMOTE_SERVER_PROJECT_ID;
4910                cx.background_spawn(ssh.read(cx).proto_client().request(payload))
4911                    .detach_and_log_err(cx);
4912            }
4913            this.buffer_store.clone()
4914        })?;
4915        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
4916    }
4917
4918    fn retain_remotely_created_models(
4919        &mut self,
4920        cx: &mut Context<Self>,
4921    ) -> RemotelyCreatedModelGuard {
4922        {
4923            let mut remotely_create_models = self.remotely_created_models.lock();
4924            if remotely_create_models.retain_count == 0 {
4925                remotely_create_models.buffers = self.buffer_store.read(cx).buffers().collect();
4926                remotely_create_models.worktrees =
4927                    self.worktree_store.read(cx).worktrees().collect();
4928            }
4929            remotely_create_models.retain_count += 1;
4930        }
4931        RemotelyCreatedModelGuard {
4932            remote_models: Arc::downgrade(&self.remotely_created_models),
4933        }
4934    }
4935
4936    async fn handle_create_buffer_for_peer(
4937        this: Entity<Self>,
4938        envelope: TypedEnvelope<proto::CreateBufferForPeer>,
4939        mut cx: AsyncApp,
4940    ) -> Result<()> {
4941        this.update(&mut cx, |this, cx| {
4942            this.buffer_store.update(cx, |buffer_store, cx| {
4943                buffer_store.handle_create_buffer_for_peer(
4944                    envelope,
4945                    this.replica_id(),
4946                    this.capability(),
4947                    cx,
4948                )
4949            })
4950        })?
4951    }
4952
4953    async fn handle_toggle_lsp_logs(
4954        project: Entity<Self>,
4955        envelope: TypedEnvelope<proto::ToggleLspLogs>,
4956        mut cx: AsyncApp,
4957    ) -> Result<()> {
4958        let toggled_log_kind =
4959            match proto::toggle_lsp_logs::LogType::from_i32(envelope.payload.log_type)
4960                .context("invalid log type")?
4961            {
4962                proto::toggle_lsp_logs::LogType::Log => LogKind::Logs,
4963                proto::toggle_lsp_logs::LogType::Trace => LogKind::Trace,
4964                proto::toggle_lsp_logs::LogType::Rpc => LogKind::Rpc,
4965            };
4966        project.update(&mut cx, |_, cx| {
4967            cx.emit(Event::ToggleLspLogs {
4968                server_id: LanguageServerId::from_proto(envelope.payload.server_id),
4969                enabled: envelope.payload.enabled,
4970                toggled_log_kind,
4971            })
4972        })?;
4973        Ok(())
4974    }
4975
4976    async fn handle_synchronize_buffers(
4977        this: Entity<Self>,
4978        envelope: TypedEnvelope<proto::SynchronizeBuffers>,
4979        mut cx: AsyncApp,
4980    ) -> Result<proto::SynchronizeBuffersResponse> {
4981        let response = this.update(&mut cx, |this, cx| {
4982            let client = this.collab_client.clone();
4983            this.buffer_store.update(cx, |this, cx| {
4984                this.handle_synchronize_buffers(envelope, cx, client)
4985            })
4986        })??;
4987
4988        Ok(response)
4989    }
4990
4991    async fn handle_search_candidate_buffers(
4992        this: Entity<Self>,
4993        envelope: TypedEnvelope<proto::FindSearchCandidates>,
4994        mut cx: AsyncApp,
4995    ) -> Result<proto::FindSearchCandidatesResponse> {
4996        let peer_id = envelope.original_sender_id()?;
4997        let message = envelope.payload;
4998        let path_style = this.read_with(&cx, |this, cx| this.path_style(cx))?;
4999        let query =
5000            SearchQuery::from_proto(message.query.context("missing query field")?, path_style)?;
5001        let results = this.update(&mut cx, |this, cx| {
5002            this.find_search_candidate_buffers(&query, message.limit as _, cx)
5003        })?;
5004
5005        let mut response = proto::FindSearchCandidatesResponse {
5006            buffer_ids: Vec::new(),
5007        };
5008
5009        while let Ok(buffer) = results.recv().await {
5010            this.update(&mut cx, |this, cx| {
5011                let buffer_id = this.create_buffer_for_peer(&buffer, peer_id, cx);
5012                response.buffer_ids.push(buffer_id.to_proto());
5013            })?;
5014        }
5015
5016        Ok(response)
5017    }
5018
5019    async fn handle_open_buffer_by_id(
5020        this: Entity<Self>,
5021        envelope: TypedEnvelope<proto::OpenBufferById>,
5022        mut cx: AsyncApp,
5023    ) -> Result<proto::OpenBufferResponse> {
5024        let peer_id = envelope.original_sender_id()?;
5025        let buffer_id = BufferId::new(envelope.payload.id)?;
5026        let buffer = this
5027            .update(&mut cx, |this, cx| this.open_buffer_by_id(buffer_id, cx))?
5028            .await?;
5029        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
5030    }
5031
5032    async fn handle_open_buffer_by_path(
5033        this: Entity<Self>,
5034        envelope: TypedEnvelope<proto::OpenBufferByPath>,
5035        mut cx: AsyncApp,
5036    ) -> Result<proto::OpenBufferResponse> {
5037        let peer_id = envelope.original_sender_id()?;
5038        let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
5039        let path = RelPath::from_proto(&envelope.payload.path)?;
5040        let open_buffer = this
5041            .update(&mut cx, |this, cx| {
5042                this.open_buffer(ProjectPath { worktree_id, path }, cx)
5043            })?
5044            .await?;
5045        Project::respond_to_open_buffer_request(this, open_buffer, peer_id, &mut cx)
5046    }
5047
5048    async fn handle_open_new_buffer(
5049        this: Entity<Self>,
5050        envelope: TypedEnvelope<proto::OpenNewBuffer>,
5051        mut cx: AsyncApp,
5052    ) -> Result<proto::OpenBufferResponse> {
5053        let buffer = this
5054            .update(&mut cx, |this, cx| this.create_buffer(true, cx))?
5055            .await?;
5056        let peer_id = envelope.original_sender_id()?;
5057
5058        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
5059    }
5060
5061    fn respond_to_open_buffer_request(
5062        this: Entity<Self>,
5063        buffer: Entity<Buffer>,
5064        peer_id: proto::PeerId,
5065        cx: &mut AsyncApp,
5066    ) -> Result<proto::OpenBufferResponse> {
5067        this.update(cx, |this, cx| {
5068            let is_private = buffer
5069                .read(cx)
5070                .file()
5071                .map(|f| f.is_private())
5072                .unwrap_or_default();
5073            anyhow::ensure!(!is_private, ErrorCode::UnsharedItem);
5074            Ok(proto::OpenBufferResponse {
5075                buffer_id: this.create_buffer_for_peer(&buffer, peer_id, cx).into(),
5076            })
5077        })?
5078    }
5079
5080    fn create_buffer_for_peer(
5081        &mut self,
5082        buffer: &Entity<Buffer>,
5083        peer_id: proto::PeerId,
5084        cx: &mut App,
5085    ) -> BufferId {
5086        self.buffer_store
5087            .update(cx, |buffer_store, cx| {
5088                buffer_store.create_buffer_for_peer(buffer, peer_id, cx)
5089            })
5090            .detach_and_log_err(cx);
5091        buffer.read(cx).remote_id()
5092    }
5093
5094    fn synchronize_remote_buffers(&mut self, cx: &mut Context<Self>) -> Task<Result<()>> {
5095        let project_id = match self.client_state {
5096            ProjectClientState::Remote {
5097                sharing_has_stopped,
5098                remote_id,
5099                ..
5100            } => {
5101                if sharing_has_stopped {
5102                    return Task::ready(Err(anyhow!(
5103                        "can't synchronize remote buffers on a readonly project"
5104                    )));
5105                } else {
5106                    remote_id
5107                }
5108            }
5109            ProjectClientState::Shared { .. } | ProjectClientState::Local => {
5110                return Task::ready(Err(anyhow!(
5111                    "can't synchronize remote buffers on a local project"
5112                )));
5113            }
5114        };
5115
5116        let client = self.collab_client.clone();
5117        cx.spawn(async move |this, cx| {
5118            let (buffers, incomplete_buffer_ids) = this.update(cx, |this, cx| {
5119                this.buffer_store.read(cx).buffer_version_info(cx)
5120            })?;
5121            let response = client
5122                .request(proto::SynchronizeBuffers {
5123                    project_id,
5124                    buffers,
5125                })
5126                .await?;
5127
5128            let send_updates_for_buffers = this.update(cx, |this, cx| {
5129                response
5130                    .buffers
5131                    .into_iter()
5132                    .map(|buffer| {
5133                        let client = client.clone();
5134                        let buffer_id = match BufferId::new(buffer.id) {
5135                            Ok(id) => id,
5136                            Err(e) => {
5137                                return Task::ready(Err(e));
5138                            }
5139                        };
5140                        let remote_version = language::proto::deserialize_version(&buffer.version);
5141                        if let Some(buffer) = this.buffer_for_id(buffer_id, cx) {
5142                            let operations =
5143                                buffer.read(cx).serialize_ops(Some(remote_version), cx);
5144                            cx.background_spawn(async move {
5145                                let operations = operations.await;
5146                                for chunk in split_operations(operations) {
5147                                    client
5148                                        .request(proto::UpdateBuffer {
5149                                            project_id,
5150                                            buffer_id: buffer_id.into(),
5151                                            operations: chunk,
5152                                        })
5153                                        .await?;
5154                                }
5155                                anyhow::Ok(())
5156                            })
5157                        } else {
5158                            Task::ready(Ok(()))
5159                        }
5160                    })
5161                    .collect::<Vec<_>>()
5162            })?;
5163
5164            // Any incomplete buffers have open requests waiting. Request that the host sends
5165            // creates these buffers for us again to unblock any waiting futures.
5166            for id in incomplete_buffer_ids {
5167                cx.background_spawn(client.request(proto::OpenBufferById {
5168                    project_id,
5169                    id: id.into(),
5170                }))
5171                .detach();
5172            }
5173
5174            futures::future::join_all(send_updates_for_buffers)
5175                .await
5176                .into_iter()
5177                .collect()
5178        })
5179    }
5180
5181    pub fn worktree_metadata_protos(&self, cx: &App) -> Vec<proto::WorktreeMetadata> {
5182        self.worktree_store.read(cx).worktree_metadata_protos(cx)
5183    }
5184
5185    /// Iterator of all open buffers that have unsaved changes
5186    pub fn dirty_buffers<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = ProjectPath> + 'a {
5187        self.buffer_store.read(cx).buffers().filter_map(|buf| {
5188            let buf = buf.read(cx);
5189            if buf.is_dirty() {
5190                buf.project_path(cx)
5191            } else {
5192                None
5193            }
5194        })
5195    }
5196
5197    fn set_worktrees_from_proto(
5198        &mut self,
5199        worktrees: Vec<proto::WorktreeMetadata>,
5200        cx: &mut Context<Project>,
5201    ) -> Result<()> {
5202        self.worktree_store.update(cx, |worktree_store, cx| {
5203            worktree_store.set_worktrees_from_proto(worktrees, self.replica_id(), cx)
5204        })
5205    }
5206
5207    fn set_collaborators_from_proto(
5208        &mut self,
5209        messages: Vec<proto::Collaborator>,
5210        cx: &mut Context<Self>,
5211    ) -> Result<()> {
5212        let mut collaborators = HashMap::default();
5213        for message in messages {
5214            let collaborator = Collaborator::from_proto(message)?;
5215            collaborators.insert(collaborator.peer_id, collaborator);
5216        }
5217        for old_peer_id in self.collaborators.keys() {
5218            if !collaborators.contains_key(old_peer_id) {
5219                cx.emit(Event::CollaboratorLeft(*old_peer_id));
5220            }
5221        }
5222        self.collaborators = collaborators;
5223        Ok(())
5224    }
5225
5226    pub fn supplementary_language_servers<'a>(
5227        &'a self,
5228        cx: &'a App,
5229    ) -> impl 'a + Iterator<Item = (LanguageServerId, LanguageServerName)> {
5230        self.lsp_store.read(cx).supplementary_language_servers()
5231    }
5232
5233    pub fn any_language_server_supports_inlay_hints(&self, buffer: &Buffer, cx: &mut App) -> bool {
5234        let Some(language) = buffer.language().cloned() else {
5235            return false;
5236        };
5237        self.lsp_store.update(cx, |lsp_store, _| {
5238            let relevant_language_servers = lsp_store
5239                .languages
5240                .lsp_adapters(&language.name())
5241                .into_iter()
5242                .map(|lsp_adapter| lsp_adapter.name())
5243                .collect::<HashSet<_>>();
5244            lsp_store
5245                .language_server_statuses()
5246                .filter_map(|(server_id, server_status)| {
5247                    relevant_language_servers
5248                        .contains(&server_status.name)
5249                        .then_some(server_id)
5250                })
5251                .filter_map(|server_id| lsp_store.lsp_server_capabilities.get(&server_id))
5252                .any(InlayHints::check_capabilities)
5253        })
5254    }
5255
5256    pub fn language_server_id_for_name(
5257        &self,
5258        buffer: &Buffer,
5259        name: &LanguageServerName,
5260        cx: &App,
5261    ) -> Option<LanguageServerId> {
5262        let language = buffer.language()?;
5263        let relevant_language_servers = self
5264            .languages
5265            .lsp_adapters(&language.name())
5266            .into_iter()
5267            .map(|lsp_adapter| lsp_adapter.name())
5268            .collect::<HashSet<_>>();
5269        if !relevant_language_servers.contains(name) {
5270            return None;
5271        }
5272        self.language_server_statuses(cx)
5273            .filter(|(_, server_status)| relevant_language_servers.contains(&server_status.name))
5274            .find_map(|(server_id, server_status)| {
5275                if &server_status.name == name {
5276                    Some(server_id)
5277                } else {
5278                    None
5279                }
5280            })
5281    }
5282
5283    #[cfg(any(test, feature = "test-support"))]
5284    pub fn has_language_servers_for(&self, buffer: &Buffer, cx: &mut App) -> bool {
5285        self.lsp_store.update(cx, |this, cx| {
5286            this.language_servers_for_local_buffer(buffer, cx)
5287                .next()
5288                .is_some()
5289        })
5290    }
5291
5292    pub fn git_init(
5293        &self,
5294        path: Arc<Path>,
5295        fallback_branch_name: String,
5296        cx: &App,
5297    ) -> Task<Result<()>> {
5298        self.git_store
5299            .read(cx)
5300            .git_init(path, fallback_branch_name, cx)
5301    }
5302
5303    pub fn buffer_store(&self) -> &Entity<BufferStore> {
5304        &self.buffer_store
5305    }
5306
5307    pub fn git_store(&self) -> &Entity<GitStore> {
5308        &self.git_store
5309    }
5310
5311    pub fn agent_server_store(&self) -> &Entity<AgentServerStore> {
5312        &self.agent_server_store
5313    }
5314
5315    #[cfg(test)]
5316    fn git_scans_complete(&self, cx: &Context<Self>) -> Task<()> {
5317        cx.spawn(async move |this, cx| {
5318            let scans_complete = this
5319                .read_with(cx, |this, cx| {
5320                    this.worktrees(cx)
5321                        .filter_map(|worktree| Some(worktree.read(cx).as_local()?.scan_complete()))
5322                        .collect::<Vec<_>>()
5323                })
5324                .unwrap();
5325            join_all(scans_complete).await;
5326            let barriers = this
5327                .update(cx, |this, cx| {
5328                    let repos = this.repositories(cx).values().cloned().collect::<Vec<_>>();
5329                    repos
5330                        .into_iter()
5331                        .map(|repo| repo.update(cx, |repo, _| repo.barrier()))
5332                        .collect::<Vec<_>>()
5333                })
5334                .unwrap();
5335            join_all(barriers).await;
5336        })
5337    }
5338
5339    pub fn active_repository(&self, cx: &App) -> Option<Entity<Repository>> {
5340        self.git_store.read(cx).active_repository()
5341    }
5342
5343    pub fn repositories<'a>(&self, cx: &'a App) -> &'a HashMap<RepositoryId, Entity<Repository>> {
5344        self.git_store.read(cx).repositories()
5345    }
5346
5347    pub fn status_for_buffer_id(&self, buffer_id: BufferId, cx: &App) -> Option<FileStatus> {
5348        self.git_store.read(cx).status_for_buffer_id(buffer_id, cx)
5349    }
5350
5351    pub fn set_agent_location(
5352        &mut self,
5353        new_location: Option<AgentLocation>,
5354        cx: &mut Context<Self>,
5355    ) {
5356        if let Some(old_location) = self.agent_location.as_ref() {
5357            old_location
5358                .buffer
5359                .update(cx, |buffer, cx| buffer.remove_agent_selections(cx))
5360                .ok();
5361        }
5362
5363        if let Some(location) = new_location.as_ref() {
5364            location
5365                .buffer
5366                .update(cx, |buffer, cx| {
5367                    buffer.set_agent_selections(
5368                        Arc::from([language::Selection {
5369                            id: 0,
5370                            start: location.position,
5371                            end: location.position,
5372                            reversed: false,
5373                            goal: language::SelectionGoal::None,
5374                        }]),
5375                        false,
5376                        CursorShape::Hollow,
5377                        cx,
5378                    )
5379                })
5380                .ok();
5381        }
5382
5383        self.agent_location = new_location;
5384        cx.emit(Event::AgentLocationChanged);
5385    }
5386
5387    pub fn agent_location(&self) -> Option<AgentLocation> {
5388        self.agent_location.clone()
5389    }
5390
5391    pub fn path_style(&self, cx: &App) -> PathStyle {
5392        self.worktree_store.read(cx).path_style()
5393    }
5394
5395    pub fn contains_local_settings_file(
5396        &self,
5397        worktree_id: WorktreeId,
5398        rel_path: &RelPath,
5399        cx: &App,
5400    ) -> bool {
5401        self.worktree_for_id(worktree_id, cx)
5402            .map_or(false, |worktree| {
5403                worktree.read(cx).entry_for_path(rel_path).is_some()
5404            })
5405    }
5406
5407    pub fn update_local_settings_file(
5408        &self,
5409        worktree_id: WorktreeId,
5410        rel_path: Arc<RelPath>,
5411        cx: &mut App,
5412        update: impl 'static + Send + FnOnce(&mut settings::SettingsContent, &App),
5413    ) {
5414        let Some(worktree) = self.worktree_for_id(worktree_id, cx) else {
5415            // todo(settings_ui) error?
5416            return;
5417        };
5418        cx.spawn(async move |cx| {
5419            let file = worktree
5420                .update(cx, |worktree, cx| worktree.load_file(&rel_path, cx))?
5421                .await
5422                .context("Failed to load settings file")?;
5423
5424            let new_text = cx.read_global::<SettingsStore, _>(|store, cx| {
5425                store.new_text_for_update(file.text, move |settings| update(settings, cx))
5426            })?;
5427            worktree
5428                .update(cx, |worktree, cx| {
5429                    let line_ending = text::LineEnding::detect(&new_text);
5430                    worktree.write_file(
5431                        rel_path.clone(),
5432                        Rope::from_str(&new_text, cx.background_executor()),
5433                        line_ending,
5434                        cx,
5435                    )
5436                })?
5437                .await
5438                .context("Failed to write settings file")?;
5439
5440            anyhow::Ok(())
5441        })
5442        .detach_and_log_err(cx);
5443    }
5444}
5445
5446pub struct PathMatchCandidateSet {
5447    pub snapshot: Snapshot,
5448    pub include_ignored: bool,
5449    pub include_root_name: bool,
5450    pub candidates: Candidates,
5451}
5452
5453pub enum Candidates {
5454    /// Only consider directories.
5455    Directories,
5456    /// Only consider files.
5457    Files,
5458    /// Consider directories and files.
5459    Entries,
5460}
5461
5462impl<'a> fuzzy::PathMatchCandidateSet<'a> for PathMatchCandidateSet {
5463    type Candidates = PathMatchCandidateSetIter<'a>;
5464
5465    fn id(&self) -> usize {
5466        self.snapshot.id().to_usize()
5467    }
5468
5469    fn len(&self) -> usize {
5470        match self.candidates {
5471            Candidates::Files => {
5472                if self.include_ignored {
5473                    self.snapshot.file_count()
5474                } else {
5475                    self.snapshot.visible_file_count()
5476                }
5477            }
5478
5479            Candidates::Directories => {
5480                if self.include_ignored {
5481                    self.snapshot.dir_count()
5482                } else {
5483                    self.snapshot.visible_dir_count()
5484                }
5485            }
5486
5487            Candidates::Entries => {
5488                if self.include_ignored {
5489                    self.snapshot.entry_count()
5490                } else {
5491                    self.snapshot.visible_entry_count()
5492                }
5493            }
5494        }
5495    }
5496
5497    fn prefix(&self) -> Arc<RelPath> {
5498        if self.snapshot.root_entry().is_some_and(|e| e.is_file()) || self.include_root_name {
5499            self.snapshot.root_name().into()
5500        } else {
5501            RelPath::empty().into()
5502        }
5503    }
5504
5505    fn root_is_file(&self) -> bool {
5506        self.snapshot.root_entry().is_some_and(|f| f.is_file())
5507    }
5508
5509    fn path_style(&self) -> PathStyle {
5510        self.snapshot.path_style()
5511    }
5512
5513    fn candidates(&'a self, start: usize) -> Self::Candidates {
5514        PathMatchCandidateSetIter {
5515            traversal: match self.candidates {
5516                Candidates::Directories => self.snapshot.directories(self.include_ignored, start),
5517                Candidates::Files => self.snapshot.files(self.include_ignored, start),
5518                Candidates::Entries => self.snapshot.entries(self.include_ignored, start),
5519            },
5520        }
5521    }
5522}
5523
5524pub struct PathMatchCandidateSetIter<'a> {
5525    traversal: Traversal<'a>,
5526}
5527
5528impl<'a> Iterator for PathMatchCandidateSetIter<'a> {
5529    type Item = fuzzy::PathMatchCandidate<'a>;
5530
5531    fn next(&mut self) -> Option<Self::Item> {
5532        self.traversal
5533            .next()
5534            .map(|entry| fuzzy::PathMatchCandidate {
5535                is_dir: entry.kind.is_dir(),
5536                path: &entry.path,
5537                char_bag: entry.char_bag,
5538            })
5539    }
5540}
5541
5542impl EventEmitter<Event> for Project {}
5543
5544impl<'a> From<&'a ProjectPath> for SettingsLocation<'a> {
5545    fn from(val: &'a ProjectPath) -> Self {
5546        SettingsLocation {
5547            worktree_id: val.worktree_id,
5548            path: val.path.as_ref(),
5549        }
5550    }
5551}
5552
5553impl<P: Into<Arc<RelPath>>> From<(WorktreeId, P)> for ProjectPath {
5554    fn from((worktree_id, path): (WorktreeId, P)) -> Self {
5555        Self {
5556            worktree_id,
5557            path: path.into(),
5558        }
5559    }
5560}
5561
5562/// ResolvedPath is a path that has been resolved to either a ProjectPath
5563/// or an AbsPath and that *exists*.
5564#[derive(Debug, Clone)]
5565pub enum ResolvedPath {
5566    ProjectPath {
5567        project_path: ProjectPath,
5568        is_dir: bool,
5569    },
5570    AbsPath {
5571        path: String,
5572        is_dir: bool,
5573    },
5574}
5575
5576impl ResolvedPath {
5577    pub fn abs_path(&self) -> Option<&str> {
5578        match self {
5579            Self::AbsPath { path, .. } => Some(path),
5580            _ => None,
5581        }
5582    }
5583
5584    pub fn into_abs_path(self) -> Option<String> {
5585        match self {
5586            Self::AbsPath { path, .. } => Some(path),
5587            _ => None,
5588        }
5589    }
5590
5591    pub fn project_path(&self) -> Option<&ProjectPath> {
5592        match self {
5593            Self::ProjectPath { project_path, .. } => Some(project_path),
5594            _ => None,
5595        }
5596    }
5597
5598    pub fn is_file(&self) -> bool {
5599        !self.is_dir()
5600    }
5601
5602    pub fn is_dir(&self) -> bool {
5603        match self {
5604            Self::ProjectPath { is_dir, .. } => *is_dir,
5605            Self::AbsPath { is_dir, .. } => *is_dir,
5606        }
5607    }
5608}
5609
5610impl ProjectItem for Buffer {
5611    fn try_open(
5612        project: &Entity<Project>,
5613        path: &ProjectPath,
5614        cx: &mut App,
5615    ) -> Option<Task<Result<Entity<Self>>>> {
5616        Some(project.update(cx, |project, cx| project.open_buffer(path.clone(), cx)))
5617    }
5618
5619    fn entry_id(&self, _cx: &App) -> Option<ProjectEntryId> {
5620        File::from_dyn(self.file()).and_then(|file| file.project_entry_id())
5621    }
5622
5623    fn project_path(&self, cx: &App) -> Option<ProjectPath> {
5624        self.file().map(|file| ProjectPath {
5625            worktree_id: file.worktree_id(cx),
5626            path: file.path().clone(),
5627        })
5628    }
5629
5630    fn is_dirty(&self) -> bool {
5631        self.is_dirty()
5632    }
5633}
5634
5635impl Completion {
5636    pub fn kind(&self) -> Option<CompletionItemKind> {
5637        self.source
5638            // `lsp::CompletionListItemDefaults` has no `kind` field
5639            .lsp_completion(false)
5640            .and_then(|lsp_completion| lsp_completion.kind)
5641    }
5642
5643    pub fn label(&self) -> Option<String> {
5644        self.source
5645            .lsp_completion(false)
5646            .map(|lsp_completion| lsp_completion.label.clone())
5647    }
5648
5649    /// A key that can be used to sort completions when displaying
5650    /// them to the user.
5651    pub fn sort_key(&self) -> (usize, &str) {
5652        const DEFAULT_KIND_KEY: usize = 4;
5653        let kind_key = self
5654            .kind()
5655            .and_then(|lsp_completion_kind| match lsp_completion_kind {
5656                lsp::CompletionItemKind::KEYWORD => Some(0),
5657                lsp::CompletionItemKind::VARIABLE => Some(1),
5658                lsp::CompletionItemKind::CONSTANT => Some(2),
5659                lsp::CompletionItemKind::PROPERTY => Some(3),
5660                _ => None,
5661            })
5662            .unwrap_or(DEFAULT_KIND_KEY);
5663        (kind_key, self.label.filter_text())
5664    }
5665
5666    /// Whether this completion is a snippet.
5667    pub fn is_snippet(&self) -> bool {
5668        self.source
5669            // `lsp::CompletionListItemDefaults` has `insert_text_format` field
5670            .lsp_completion(true)
5671            .is_some_and(|lsp_completion| {
5672                lsp_completion.insert_text_format == Some(lsp::InsertTextFormat::SNIPPET)
5673            })
5674    }
5675
5676    /// Returns the corresponding color for this completion.
5677    ///
5678    /// Will return `None` if this completion's kind is not [`CompletionItemKind::COLOR`].
5679    pub fn color(&self) -> Option<Hsla> {
5680        // `lsp::CompletionListItemDefaults` has no `kind` field
5681        let lsp_completion = self.source.lsp_completion(false)?;
5682        if lsp_completion.kind? == CompletionItemKind::COLOR {
5683            return color_extractor::extract_color(&lsp_completion);
5684        }
5685        None
5686    }
5687}
5688
5689fn proto_to_prompt(level: proto::language_server_prompt_request::Level) -> gpui::PromptLevel {
5690    match level {
5691        proto::language_server_prompt_request::Level::Info(_) => gpui::PromptLevel::Info,
5692        proto::language_server_prompt_request::Level::Warning(_) => gpui::PromptLevel::Warning,
5693        proto::language_server_prompt_request::Level::Critical(_) => gpui::PromptLevel::Critical,
5694    }
5695}
5696
5697fn provide_inline_values(
5698    captures: impl Iterator<Item = (Range<usize>, language::DebuggerTextObject)>,
5699    snapshot: &language::BufferSnapshot,
5700    max_row: usize,
5701) -> Vec<InlineValueLocation> {
5702    let mut variables = Vec::new();
5703    let mut variable_position = HashSet::default();
5704    let mut scopes = Vec::new();
5705
5706    let active_debug_line_offset = snapshot.point_to_offset(Point::new(max_row as u32, 0));
5707
5708    for (capture_range, capture_kind) in captures {
5709        match capture_kind {
5710            language::DebuggerTextObject::Variable => {
5711                let variable_name = snapshot
5712                    .text_for_range(capture_range.clone())
5713                    .collect::<String>();
5714                let point = snapshot.offset_to_point(capture_range.end);
5715
5716                while scopes
5717                    .last()
5718                    .is_some_and(|scope: &Range<_>| !scope.contains(&capture_range.start))
5719                {
5720                    scopes.pop();
5721                }
5722
5723                if point.row as usize > max_row {
5724                    break;
5725                }
5726
5727                let scope = if scopes
5728                    .last()
5729                    .is_none_or(|scope| !scope.contains(&active_debug_line_offset))
5730                {
5731                    VariableScope::Global
5732                } else {
5733                    VariableScope::Local
5734                };
5735
5736                if variable_position.insert(capture_range.end) {
5737                    variables.push(InlineValueLocation {
5738                        variable_name,
5739                        scope,
5740                        lookup: VariableLookupKind::Variable,
5741                        row: point.row as usize,
5742                        column: point.column as usize,
5743                    });
5744                }
5745            }
5746            language::DebuggerTextObject::Scope => {
5747                while scopes.last().map_or_else(
5748                    || false,
5749                    |scope: &Range<usize>| {
5750                        !(scope.contains(&capture_range.start)
5751                            && scope.contains(&capture_range.end))
5752                    },
5753                ) {
5754                    scopes.pop();
5755                }
5756                scopes.push(capture_range);
5757            }
5758        }
5759    }
5760
5761    variables
5762}
5763
5764#[cfg(test)]
5765mod disable_ai_settings_tests {
5766    use super::*;
5767    use gpui::TestAppContext;
5768    use settings::Settings;
5769
5770    #[gpui::test]
5771    async fn test_disable_ai_settings_security(cx: &mut TestAppContext) {
5772        cx.update(|cx| {
5773            settings::init(cx);
5774            Project::init_settings(cx);
5775
5776            // Test 1: Default is false (AI enabled)
5777            assert!(
5778                !DisableAiSettings::get_global(cx).disable_ai,
5779                "Default should allow AI"
5780            );
5781        });
5782
5783        let disable_true = serde_json::json!({
5784            "disable_ai": true
5785        })
5786        .to_string();
5787        let disable_false = serde_json::json!({
5788            "disable_ai": false
5789        })
5790        .to_string();
5791
5792        cx.update_global::<SettingsStore, _>(|store, cx| {
5793            store.set_user_settings(&disable_false, cx).unwrap();
5794            store.set_global_settings(&disable_true, cx).unwrap();
5795        });
5796        cx.update(|cx| {
5797            assert!(
5798                DisableAiSettings::get_global(cx).disable_ai,
5799                "Local false cannot override global true"
5800            );
5801        });
5802
5803        cx.update_global::<SettingsStore, _>(|store, cx| {
5804            store.set_global_settings(&disable_false, cx).unwrap();
5805            store.set_user_settings(&disable_true, cx).unwrap();
5806        });
5807
5808        cx.update(|cx| {
5809            assert!(
5810                DisableAiSettings::get_global(cx).disable_ai,
5811                "Local false cannot override global true"
5812            );
5813        });
5814    }
5815}