project.rs

   1pub mod agent_server_store;
   2pub mod buffer_store;
   3mod color_extractor;
   4pub mod connection_manager;
   5pub mod context_server_store;
   6pub mod debounced_delay;
   7pub mod debugger;
   8pub mod git_store;
   9pub mod image_store;
  10pub mod lsp_command;
  11pub mod lsp_store;
  12mod manifest_tree;
  13pub mod prettier_store;
  14pub mod project_settings;
  15pub mod search;
  16mod task_inventory;
  17pub mod task_store;
  18pub mod telemetry_snapshot;
  19pub mod terminals;
  20pub mod toolchain_store;
  21pub mod worktree_store;
  22
  23#[cfg(test)]
  24mod project_tests;
  25
  26mod environment;
  27use buffer_diff::BufferDiff;
  28use context_server_store::ContextServerStore;
  29pub use environment::ProjectEnvironmentEvent;
  30use git::repository::get_git_committer;
  31use git_store::{Repository, RepositoryId};
  32pub mod search_history;
  33mod yarn;
  34
  35use dap::inline_value::{InlineValueLocation, VariableLookupKind, VariableScope};
  36use task::Shell;
  37
  38use crate::{
  39    agent_server_store::AllAgentServersSettings,
  40    git_store::GitStore,
  41    lsp_store::{SymbolLocation, log_store::LogKind},
  42};
  43pub use agent_server_store::{AgentServerStore, AgentServersUpdated, ExternalAgentServerName};
  44pub use git_store::{
  45    ConflictRegion, ConflictSet, ConflictSetSnapshot, ConflictSetUpdate,
  46    git_traversal::{ChildEntriesGitIter, GitEntry, GitEntryRef, GitTraversal},
  47};
  48pub use manifest_tree::ManifestTree;
  49
  50use anyhow::{Context as _, Result, anyhow};
  51use buffer_store::{BufferStore, BufferStoreEvent};
  52use client::{Client, Collaborator, PendingEntitySubscription, TypedEnvelope, UserStore, proto};
  53use clock::ReplicaId;
  54
  55use dap::client::DebugAdapterClient;
  56
  57use collections::{BTreeSet, HashMap, HashSet, IndexSet};
  58use debounced_delay::DebouncedDelay;
  59pub use debugger::breakpoint_store::BreakpointWithPosition;
  60use debugger::{
  61    breakpoint_store::{ActiveStackFrame, BreakpointStore},
  62    dap_store::{DapStore, DapStoreEvent},
  63    session::Session,
  64};
  65pub use environment::ProjectEnvironment;
  66#[cfg(test)]
  67use futures::future::join_all;
  68use futures::{
  69    StreamExt,
  70    channel::mpsc::{self, UnboundedReceiver},
  71    future::{Shared, try_join_all},
  72};
  73pub use image_store::{ImageItem, ImageStore};
  74use image_store::{ImageItemEvent, ImageStoreEvent};
  75
  76use ::git::{blame::Blame, status::FileStatus};
  77use gpui::{
  78    App, AppContext, AsyncApp, BorrowAppContext, Context, Entity, EventEmitter, Hsla, SharedString,
  79    Task, WeakEntity, Window,
  80};
  81use language::{
  82    Buffer, BufferEvent, Capability, CodeLabel, CursorShape, Language, LanguageName,
  83    LanguageRegistry, PointUtf16, ToOffset, ToPointUtf16, Toolchain, ToolchainMetadata,
  84    ToolchainScope, Transaction, Unclipped, language_settings::InlayHintKind,
  85    proto::split_operations,
  86};
  87use lsp::{
  88    CodeActionKind, CompletionContext, CompletionItemKind, DocumentHighlightKind, InsertTextMode,
  89    LanguageServerId, LanguageServerName, LanguageServerSelector, MessageActionItem,
  90};
  91use lsp_command::*;
  92use lsp_store::{CompletionDocumentation, LspFormatTarget, OpenLspBufferHandle};
  93pub use manifest_tree::ManifestProvidersStore;
  94use node_runtime::NodeRuntime;
  95use parking_lot::Mutex;
  96pub use prettier_store::PrettierStore;
  97use project_settings::{ProjectSettings, SettingsObserver, SettingsObserverEvent};
  98use remote::{RemoteClient, RemoteConnectionOptions};
  99use rpc::{
 100    AnyProtoClient, ErrorCode,
 101    proto::{LanguageServerPromptResponse, REMOTE_SERVER_PROJECT_ID},
 102};
 103use search::{SearchInputKind, SearchQuery, SearchResult};
 104use search_history::SearchHistory;
 105use settings::{InvalidSettingsError, Settings, SettingsLocation, SettingsStore};
 106use smol::channel::Receiver;
 107use snippet::Snippet;
 108use snippet_provider::SnippetProvider;
 109use std::{
 110    borrow::Cow,
 111    collections::BTreeMap,
 112    ops::Range,
 113    path::{Path, PathBuf},
 114    pin::pin,
 115    str,
 116    sync::Arc,
 117    time::Duration,
 118};
 119
 120use task_store::TaskStore;
 121use terminals::Terminals;
 122use text::{Anchor, BufferId, OffsetRangeExt, Point, Rope};
 123use toolchain_store::EmptyToolchainStore;
 124use util::{
 125    ResultExt as _, maybe,
 126    paths::{PathStyle, SanitizedPath, compare_paths, is_absolute},
 127    rel_path::RelPath,
 128};
 129use worktree::{CreatedEntry, Snapshot, Traversal};
 130pub use worktree::{
 131    Entry, EntryKind, FS_WATCH_LATENCY, File, LocalWorktree, PathChange, ProjectEntryId,
 132    UpdatedEntriesSet, UpdatedGitRepositoriesSet, Worktree, WorktreeId, WorktreeSettings,
 133};
 134use worktree_store::{WorktreeStore, WorktreeStoreEvent};
 135
 136pub use fs::*;
 137pub use language::Location;
 138#[cfg(any(test, feature = "test-support"))]
 139pub use prettier::FORMAT_SUFFIX as TEST_PRETTIER_FORMAT_SUFFIX;
 140pub use task_inventory::{
 141    BasicContextProvider, ContextProviderWithTasks, DebugScenarioContext, Inventory, TaskContexts,
 142    TaskSourceKind,
 143};
 144
 145pub use buffer_store::ProjectTransaction;
 146pub use lsp_store::{
 147    DiagnosticSummary, InvalidationStrategy, LanguageServerLogType, LanguageServerProgress,
 148    LanguageServerPromptRequest, LanguageServerStatus, LanguageServerToQuery, LspStore,
 149    LspStoreEvent, SERVER_PROGRESS_THROTTLE_TIMEOUT,
 150};
 151pub use toolchain_store::{ToolchainStore, Toolchains};
 152const MAX_PROJECT_SEARCH_HISTORY_SIZE: usize = 500;
 153const MAX_SEARCH_RESULT_FILES: usize = 5_000;
 154const MAX_SEARCH_RESULT_RANGES: usize = 10_000;
 155
 156pub trait ProjectItem: 'static {
 157    fn try_open(
 158        project: &Entity<Project>,
 159        path: &ProjectPath,
 160        cx: &mut App,
 161    ) -> Option<Task<Result<Entity<Self>>>>
 162    where
 163        Self: Sized;
 164    fn entry_id(&self, cx: &App) -> Option<ProjectEntryId>;
 165    fn project_path(&self, cx: &App) -> Option<ProjectPath>;
 166    fn is_dirty(&self) -> bool;
 167}
 168
 169#[derive(Clone)]
 170pub enum OpenedBufferEvent {
 171    Disconnected,
 172    Ok(BufferId),
 173    Err(BufferId, Arc<anyhow::Error>),
 174}
 175
 176/// Semantics-aware entity that is relevant to one or more [`Worktree`] with the files.
 177/// `Project` is responsible for tasks, LSP and collab queries, synchronizing worktree states accordingly.
 178/// Maps [`Worktree`] entries with its own logic using [`ProjectEntryId`] and [`ProjectPath`] structs.
 179///
 180/// Can be either local (for the project opened on the same host) or remote.(for collab projects, browsed by multiple remote users).
 181pub struct Project {
 182    active_entry: Option<ProjectEntryId>,
 183    buffer_ordered_messages_tx: mpsc::UnboundedSender<BufferOrderedMessage>,
 184    languages: Arc<LanguageRegistry>,
 185    dap_store: Entity<DapStore>,
 186    agent_server_store: Entity<AgentServerStore>,
 187
 188    breakpoint_store: Entity<BreakpointStore>,
 189    collab_client: Arc<client::Client>,
 190    join_project_response_message_id: u32,
 191    task_store: Entity<TaskStore>,
 192    user_store: Entity<UserStore>,
 193    fs: Arc<dyn Fs>,
 194    remote_client: Option<Entity<RemoteClient>>,
 195    client_state: ProjectClientState,
 196    git_store: Entity<GitStore>,
 197    collaborators: HashMap<proto::PeerId, Collaborator>,
 198    client_subscriptions: Vec<client::Subscription>,
 199    worktree_store: Entity<WorktreeStore>,
 200    buffer_store: Entity<BufferStore>,
 201    context_server_store: Entity<ContextServerStore>,
 202    image_store: Entity<ImageStore>,
 203    lsp_store: Entity<LspStore>,
 204    _subscriptions: Vec<gpui::Subscription>,
 205    buffers_needing_diff: HashSet<WeakEntity<Buffer>>,
 206    git_diff_debouncer: DebouncedDelay<Self>,
 207    remotely_created_models: Arc<Mutex<RemotelyCreatedModels>>,
 208    terminals: Terminals,
 209    node: Option<NodeRuntime>,
 210    search_history: SearchHistory,
 211    search_included_history: SearchHistory,
 212    search_excluded_history: SearchHistory,
 213    snippets: Entity<SnippetProvider>,
 214    environment: Entity<ProjectEnvironment>,
 215    settings_observer: Entity<SettingsObserver>,
 216    toolchain_store: Option<Entity<ToolchainStore>>,
 217    agent_location: Option<AgentLocation>,
 218}
 219
 220#[derive(Clone, Debug, PartialEq, Eq)]
 221pub struct AgentLocation {
 222    pub buffer: WeakEntity<Buffer>,
 223    pub position: Anchor,
 224}
 225
 226#[derive(Default)]
 227struct RemotelyCreatedModels {
 228    worktrees: Vec<Entity<Worktree>>,
 229    buffers: Vec<Entity<Buffer>>,
 230    retain_count: usize,
 231}
 232
 233struct RemotelyCreatedModelGuard {
 234    remote_models: std::sync::Weak<Mutex<RemotelyCreatedModels>>,
 235}
 236
 237impl Drop for RemotelyCreatedModelGuard {
 238    fn drop(&mut self) {
 239        if let Some(remote_models) = self.remote_models.upgrade() {
 240            let mut remote_models = remote_models.lock();
 241            assert!(
 242                remote_models.retain_count > 0,
 243                "RemotelyCreatedModelGuard dropped too many times"
 244            );
 245            remote_models.retain_count -= 1;
 246            if remote_models.retain_count == 0 {
 247                remote_models.buffers.clear();
 248                remote_models.worktrees.clear();
 249            }
 250        }
 251    }
 252}
 253/// Message ordered with respect to buffer operations
 254#[derive(Debug)]
 255enum BufferOrderedMessage {
 256    Operation {
 257        buffer_id: BufferId,
 258        operation: proto::Operation,
 259    },
 260    LanguageServerUpdate {
 261        language_server_id: LanguageServerId,
 262        message: proto::update_language_server::Variant,
 263        name: Option<LanguageServerName>,
 264    },
 265    Resync,
 266}
 267
 268#[derive(Debug)]
 269enum ProjectClientState {
 270    /// Single-player mode.
 271    Local,
 272    /// Multi-player mode but still a local project.
 273    Shared { remote_id: u64 },
 274    /// Multi-player mode but working on a remote project.
 275    Remote {
 276        sharing_has_stopped: bool,
 277        capability: Capability,
 278        remote_id: u64,
 279        replica_id: ReplicaId,
 280    },
 281}
 282
 283#[derive(Clone, Debug, PartialEq)]
 284pub enum Event {
 285    LanguageServerAdded(LanguageServerId, LanguageServerName, Option<WorktreeId>),
 286    LanguageServerRemoved(LanguageServerId),
 287    LanguageServerLog(LanguageServerId, LanguageServerLogType, String),
 288    // [`lsp::notification::DidOpenTextDocument`] was sent to this server using the buffer data.
 289    // Zed's buffer-related data is updated accordingly.
 290    LanguageServerBufferRegistered {
 291        server_id: LanguageServerId,
 292        buffer_id: BufferId,
 293        buffer_abs_path: PathBuf,
 294        name: Option<LanguageServerName>,
 295    },
 296    ToggleLspLogs {
 297        server_id: LanguageServerId,
 298        enabled: bool,
 299        toggled_log_kind: LogKind,
 300    },
 301    Toast {
 302        notification_id: SharedString,
 303        message: String,
 304    },
 305    HideToast {
 306        notification_id: SharedString,
 307    },
 308    LanguageServerPrompt(LanguageServerPromptRequest),
 309    LanguageNotFound(Entity<Buffer>),
 310    ActiveEntryChanged(Option<ProjectEntryId>),
 311    ActivateProjectPanel,
 312    WorktreeAdded(WorktreeId),
 313    WorktreeOrderChanged,
 314    WorktreeRemoved(WorktreeId),
 315    WorktreeUpdatedEntries(WorktreeId, UpdatedEntriesSet),
 316    DiskBasedDiagnosticsStarted {
 317        language_server_id: LanguageServerId,
 318    },
 319    DiskBasedDiagnosticsFinished {
 320        language_server_id: LanguageServerId,
 321    },
 322    DiagnosticsUpdated {
 323        paths: Vec<ProjectPath>,
 324        language_server_id: LanguageServerId,
 325    },
 326    RemoteIdChanged(Option<u64>),
 327    DisconnectedFromHost,
 328    DisconnectedFromSshRemote,
 329    Closed,
 330    DeletedEntry(WorktreeId, ProjectEntryId),
 331    CollaboratorUpdated {
 332        old_peer_id: proto::PeerId,
 333        new_peer_id: proto::PeerId,
 334    },
 335    CollaboratorJoined(proto::PeerId),
 336    CollaboratorLeft(proto::PeerId),
 337    HostReshared,
 338    Reshared,
 339    Rejoined,
 340    RefreshInlayHints {
 341        server_id: LanguageServerId,
 342        request_id: Option<usize>,
 343    },
 344    RefreshCodeLens,
 345    RevealInProjectPanel(ProjectEntryId),
 346    SnippetEdit(BufferId, Vec<(lsp::Range, Snippet)>),
 347    ExpandedAllForEntry(WorktreeId, ProjectEntryId),
 348    EntryRenamed(ProjectTransaction),
 349    AgentLocationChanged,
 350}
 351
 352pub struct AgentLocationChanged;
 353
 354pub enum DebugAdapterClientState {
 355    Starting(Task<Option<Arc<DebugAdapterClient>>>),
 356    Running(Arc<DebugAdapterClient>),
 357}
 358
 359#[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord)]
 360pub struct ProjectPath {
 361    pub worktree_id: WorktreeId,
 362    pub path: Arc<RelPath>,
 363}
 364
 365impl ProjectPath {
 366    pub fn from_file(value: &dyn language::File, cx: &App) -> Self {
 367        ProjectPath {
 368            worktree_id: value.worktree_id(cx),
 369            path: value.path().clone(),
 370        }
 371    }
 372
 373    pub fn from_proto(p: proto::ProjectPath) -> Option<Self> {
 374        Some(Self {
 375            worktree_id: WorktreeId::from_proto(p.worktree_id),
 376            path: RelPath::from_proto(&p.path).log_err()?,
 377        })
 378    }
 379
 380    pub fn to_proto(&self) -> proto::ProjectPath {
 381        proto::ProjectPath {
 382            worktree_id: self.worktree_id.to_proto(),
 383            path: self.path.as_ref().to_proto(),
 384        }
 385    }
 386
 387    pub fn root_path(worktree_id: WorktreeId) -> Self {
 388        Self {
 389            worktree_id,
 390            path: RelPath::empty().into(),
 391        }
 392    }
 393
 394    pub fn starts_with(&self, other: &ProjectPath) -> bool {
 395        self.worktree_id == other.worktree_id && self.path.starts_with(&other.path)
 396    }
 397}
 398
 399#[derive(Debug, Default)]
 400pub enum PrepareRenameResponse {
 401    Success(Range<Anchor>),
 402    OnlyUnpreparedRenameSupported,
 403    #[default]
 404    InvalidPosition,
 405}
 406
 407#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
 408pub enum InlayId {
 409    EditPrediction(usize),
 410    DebuggerValue(usize),
 411    // LSP
 412    Hint(usize),
 413    Color(usize),
 414}
 415
 416impl InlayId {
 417    pub fn id(&self) -> usize {
 418        match self {
 419            Self::EditPrediction(id) => *id,
 420            Self::DebuggerValue(id) => *id,
 421            Self::Hint(id) => *id,
 422            Self::Color(id) => *id,
 423        }
 424    }
 425}
 426
 427#[derive(Debug, Clone, PartialEq, Eq)]
 428pub struct InlayHint {
 429    pub position: language::Anchor,
 430    pub label: InlayHintLabel,
 431    pub kind: Option<InlayHintKind>,
 432    pub padding_left: bool,
 433    pub padding_right: bool,
 434    pub tooltip: Option<InlayHintTooltip>,
 435    pub resolve_state: ResolveState,
 436}
 437
 438/// The user's intent behind a given completion confirmation
 439#[derive(PartialEq, Eq, Hash, Debug, Clone, Copy)]
 440pub enum CompletionIntent {
 441    /// The user intends to 'commit' this result, if possible
 442    /// completion confirmations should run side effects.
 443    ///
 444    /// For LSP completions, will respect the setting `completions.lsp_insert_mode`.
 445    Complete,
 446    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `insert`.
 447    CompleteWithInsert,
 448    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `replace`.
 449    CompleteWithReplace,
 450    /// The user intends to continue 'composing' this completion
 451    /// completion confirmations should not run side effects and
 452    /// let the user continue composing their action
 453    Compose,
 454}
 455
 456impl CompletionIntent {
 457    pub fn is_complete(&self) -> bool {
 458        self == &Self::Complete
 459    }
 460
 461    pub fn is_compose(&self) -> bool {
 462        self == &Self::Compose
 463    }
 464}
 465
 466/// Similar to `CoreCompletion`, but with extra metadata attached.
 467#[derive(Clone)]
 468pub struct Completion {
 469    /// The range of text that will be replaced by this completion.
 470    pub replace_range: Range<Anchor>,
 471    /// The new text that will be inserted.
 472    pub new_text: String,
 473    /// A label for this completion that is shown in the menu.
 474    pub label: CodeLabel,
 475    /// The documentation for this completion.
 476    pub documentation: Option<CompletionDocumentation>,
 477    /// Completion data source which it was constructed from.
 478    pub source: CompletionSource,
 479    /// A path to an icon for this completion that is shown in the menu.
 480    pub icon_path: Option<SharedString>,
 481    /// Whether to adjust indentation (the default) or not.
 482    pub insert_text_mode: Option<InsertTextMode>,
 483    /// An optional callback to invoke when this completion is confirmed.
 484    /// Returns, whether new completions should be retriggered after the current one.
 485    /// If `true` is returned, the editor will show a new completion menu after this completion is confirmed.
 486    /// if no confirmation is provided or `false` is returned, the completion will be committed.
 487    pub confirm: Option<Arc<dyn Send + Sync + Fn(CompletionIntent, &mut Window, &mut App) -> bool>>,
 488}
 489
 490#[derive(Debug, Clone)]
 491pub enum CompletionSource {
 492    Lsp {
 493        /// The alternate `insert` range, if provided by the LSP server.
 494        insert_range: Option<Range<Anchor>>,
 495        /// The id of the language server that produced this completion.
 496        server_id: LanguageServerId,
 497        /// The raw completion provided by the language server.
 498        lsp_completion: Box<lsp::CompletionItem>,
 499        /// A set of defaults for this completion item.
 500        lsp_defaults: Option<Arc<lsp::CompletionListItemDefaults>>,
 501        /// Whether this completion has been resolved, to ensure it happens once per completion.
 502        resolved: bool,
 503    },
 504    Dap {
 505        /// The sort text for this completion.
 506        sort_text: String,
 507    },
 508    Custom,
 509    BufferWord {
 510        word_range: Range<Anchor>,
 511        resolved: bool,
 512    },
 513}
 514
 515impl CompletionSource {
 516    pub fn server_id(&self) -> Option<LanguageServerId> {
 517        if let CompletionSource::Lsp { server_id, .. } = self {
 518            Some(*server_id)
 519        } else {
 520            None
 521        }
 522    }
 523
 524    pub fn lsp_completion(&self, apply_defaults: bool) -> Option<Cow<'_, lsp::CompletionItem>> {
 525        if let Self::Lsp {
 526            lsp_completion,
 527            lsp_defaults,
 528            ..
 529        } = self
 530        {
 531            if apply_defaults && let Some(lsp_defaults) = lsp_defaults {
 532                let mut completion_with_defaults = *lsp_completion.clone();
 533                let default_commit_characters = lsp_defaults.commit_characters.as_ref();
 534                let default_edit_range = lsp_defaults.edit_range.as_ref();
 535                let default_insert_text_format = lsp_defaults.insert_text_format.as_ref();
 536                let default_insert_text_mode = lsp_defaults.insert_text_mode.as_ref();
 537
 538                if default_commit_characters.is_some()
 539                    || default_edit_range.is_some()
 540                    || default_insert_text_format.is_some()
 541                    || default_insert_text_mode.is_some()
 542                {
 543                    if completion_with_defaults.commit_characters.is_none()
 544                        && default_commit_characters.is_some()
 545                    {
 546                        completion_with_defaults.commit_characters =
 547                            default_commit_characters.cloned()
 548                    }
 549                    if completion_with_defaults.text_edit.is_none() {
 550                        match default_edit_range {
 551                            Some(lsp::CompletionListItemDefaultsEditRange::Range(range)) => {
 552                                completion_with_defaults.text_edit =
 553                                    Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
 554                                        range: *range,
 555                                        new_text: completion_with_defaults.label.clone(),
 556                                    }))
 557                            }
 558                            Some(lsp::CompletionListItemDefaultsEditRange::InsertAndReplace {
 559                                insert,
 560                                replace,
 561                            }) => {
 562                                completion_with_defaults.text_edit =
 563                                    Some(lsp::CompletionTextEdit::InsertAndReplace(
 564                                        lsp::InsertReplaceEdit {
 565                                            new_text: completion_with_defaults.label.clone(),
 566                                            insert: *insert,
 567                                            replace: *replace,
 568                                        },
 569                                    ))
 570                            }
 571                            None => {}
 572                        }
 573                    }
 574                    if completion_with_defaults.insert_text_format.is_none()
 575                        && default_insert_text_format.is_some()
 576                    {
 577                        completion_with_defaults.insert_text_format =
 578                            default_insert_text_format.cloned()
 579                    }
 580                    if completion_with_defaults.insert_text_mode.is_none()
 581                        && default_insert_text_mode.is_some()
 582                    {
 583                        completion_with_defaults.insert_text_mode =
 584                            default_insert_text_mode.cloned()
 585                    }
 586                }
 587                return Some(Cow::Owned(completion_with_defaults));
 588            }
 589            Some(Cow::Borrowed(lsp_completion))
 590        } else {
 591            None
 592        }
 593    }
 594}
 595
 596impl std::fmt::Debug for Completion {
 597    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 598        f.debug_struct("Completion")
 599            .field("replace_range", &self.replace_range)
 600            .field("new_text", &self.new_text)
 601            .field("label", &self.label)
 602            .field("documentation", &self.documentation)
 603            .field("source", &self.source)
 604            .finish()
 605    }
 606}
 607
 608/// Response from a source of completions.
 609pub struct CompletionResponse {
 610    pub completions: Vec<Completion>,
 611    pub display_options: CompletionDisplayOptions,
 612    /// When false, indicates that the list is complete and so does not need to be re-queried if it
 613    /// can be filtered instead.
 614    pub is_incomplete: bool,
 615}
 616
 617#[derive(Default)]
 618pub struct CompletionDisplayOptions {
 619    pub dynamic_width: bool,
 620}
 621
 622impl CompletionDisplayOptions {
 623    pub fn merge(&mut self, other: &CompletionDisplayOptions) {
 624        self.dynamic_width = self.dynamic_width && other.dynamic_width;
 625    }
 626}
 627
 628/// Response from language server completion request.
 629#[derive(Clone, Debug, Default)]
 630pub(crate) struct CoreCompletionResponse {
 631    pub completions: Vec<CoreCompletion>,
 632    /// When false, indicates that the list is complete and so does not need to be re-queried if it
 633    /// can be filtered instead.
 634    pub is_incomplete: bool,
 635}
 636
 637/// A generic completion that can come from different sources.
 638#[derive(Clone, Debug)]
 639pub(crate) struct CoreCompletion {
 640    replace_range: Range<Anchor>,
 641    new_text: String,
 642    source: CompletionSource,
 643}
 644
 645/// A code action provided by a language server.
 646#[derive(Clone, Debug, PartialEq)]
 647pub struct CodeAction {
 648    /// The id of the language server that produced this code action.
 649    pub server_id: LanguageServerId,
 650    /// The range of the buffer where this code action is applicable.
 651    pub range: Range<Anchor>,
 652    /// The raw code action provided by the language server.
 653    /// Can be either an action or a command.
 654    pub lsp_action: LspAction,
 655    /// Whether the action needs to be resolved using the language server.
 656    pub resolved: bool,
 657}
 658
 659/// An action sent back by a language server.
 660#[derive(Clone, Debug, PartialEq)]
 661pub enum LspAction {
 662    /// An action with the full data, may have a command or may not.
 663    /// May require resolving.
 664    Action(Box<lsp::CodeAction>),
 665    /// A command data to run as an action.
 666    Command(lsp::Command),
 667    /// A code lens data to run as an action.
 668    CodeLens(lsp::CodeLens),
 669}
 670
 671impl LspAction {
 672    pub fn title(&self) -> &str {
 673        match self {
 674            Self::Action(action) => &action.title,
 675            Self::Command(command) => &command.title,
 676            Self::CodeLens(lens) => lens
 677                .command
 678                .as_ref()
 679                .map(|command| command.title.as_str())
 680                .unwrap_or("Unknown command"),
 681        }
 682    }
 683
 684    fn action_kind(&self) -> Option<lsp::CodeActionKind> {
 685        match self {
 686            Self::Action(action) => action.kind.clone(),
 687            Self::Command(_) => Some(lsp::CodeActionKind::new("command")),
 688            Self::CodeLens(_) => Some(lsp::CodeActionKind::new("code lens")),
 689        }
 690    }
 691
 692    fn edit(&self) -> Option<&lsp::WorkspaceEdit> {
 693        match self {
 694            Self::Action(action) => action.edit.as_ref(),
 695            Self::Command(_) => None,
 696            Self::CodeLens(_) => None,
 697        }
 698    }
 699
 700    fn command(&self) -> Option<&lsp::Command> {
 701        match self {
 702            Self::Action(action) => action.command.as_ref(),
 703            Self::Command(command) => Some(command),
 704            Self::CodeLens(lens) => lens.command.as_ref(),
 705        }
 706    }
 707}
 708
 709#[derive(Debug, Clone, PartialEq, Eq)]
 710pub enum ResolveState {
 711    Resolved,
 712    CanResolve(LanguageServerId, Option<lsp::LSPAny>),
 713    Resolving,
 714}
 715impl InlayHint {
 716    pub fn text(&self) -> Rope {
 717        match &self.label {
 718            InlayHintLabel::String(s) => Rope::from(s),
 719            InlayHintLabel::LabelParts(parts) => parts.iter().map(|part| &*part.value).collect(),
 720        }
 721    }
 722}
 723
 724#[derive(Debug, Clone, PartialEq, Eq)]
 725pub enum InlayHintLabel {
 726    String(String),
 727    LabelParts(Vec<InlayHintLabelPart>),
 728}
 729
 730#[derive(Debug, Clone, PartialEq, Eq)]
 731pub struct InlayHintLabelPart {
 732    pub value: String,
 733    pub tooltip: Option<InlayHintLabelPartTooltip>,
 734    pub location: Option<(LanguageServerId, lsp::Location)>,
 735}
 736
 737#[derive(Debug, Clone, PartialEq, Eq)]
 738pub enum InlayHintTooltip {
 739    String(String),
 740    MarkupContent(MarkupContent),
 741}
 742
 743#[derive(Debug, Clone, PartialEq, Eq)]
 744pub enum InlayHintLabelPartTooltip {
 745    String(String),
 746    MarkupContent(MarkupContent),
 747}
 748
 749#[derive(Debug, Clone, PartialEq, Eq)]
 750pub struct MarkupContent {
 751    pub kind: HoverBlockKind,
 752    pub value: String,
 753}
 754
 755#[derive(Debug, Clone, PartialEq)]
 756pub struct LocationLink {
 757    pub origin: Option<Location>,
 758    pub target: Location,
 759}
 760
 761#[derive(Debug)]
 762pub struct DocumentHighlight {
 763    pub range: Range<language::Anchor>,
 764    pub kind: DocumentHighlightKind,
 765}
 766
 767#[derive(Clone, Debug)]
 768pub struct Symbol {
 769    pub language_server_name: LanguageServerName,
 770    pub source_worktree_id: WorktreeId,
 771    pub source_language_server_id: LanguageServerId,
 772    pub path: SymbolLocation,
 773    pub label: CodeLabel,
 774    pub name: String,
 775    pub kind: lsp::SymbolKind,
 776    pub range: Range<Unclipped<PointUtf16>>,
 777}
 778
 779#[derive(Clone, Debug)]
 780pub struct DocumentSymbol {
 781    pub name: String,
 782    pub kind: lsp::SymbolKind,
 783    pub range: Range<Unclipped<PointUtf16>>,
 784    pub selection_range: Range<Unclipped<PointUtf16>>,
 785    pub children: Vec<DocumentSymbol>,
 786}
 787
 788#[derive(Clone, Debug, PartialEq)]
 789pub struct HoverBlock {
 790    pub text: String,
 791    pub kind: HoverBlockKind,
 792}
 793
 794#[derive(Clone, Debug, PartialEq, Eq)]
 795pub enum HoverBlockKind {
 796    PlainText,
 797    Markdown,
 798    Code { language: String },
 799}
 800
 801#[derive(Debug, Clone)]
 802pub struct Hover {
 803    pub contents: Vec<HoverBlock>,
 804    pub range: Option<Range<language::Anchor>>,
 805    pub language: Option<Arc<Language>>,
 806}
 807
 808impl Hover {
 809    pub fn is_empty(&self) -> bool {
 810        self.contents.iter().all(|block| block.text.is_empty())
 811    }
 812}
 813
 814enum EntitySubscription {
 815    Project(PendingEntitySubscription<Project>),
 816    BufferStore(PendingEntitySubscription<BufferStore>),
 817    GitStore(PendingEntitySubscription<GitStore>),
 818    WorktreeStore(PendingEntitySubscription<WorktreeStore>),
 819    LspStore(PendingEntitySubscription<LspStore>),
 820    SettingsObserver(PendingEntitySubscription<SettingsObserver>),
 821    DapStore(PendingEntitySubscription<DapStore>),
 822}
 823
 824#[derive(Debug, Clone)]
 825pub struct DirectoryItem {
 826    pub path: PathBuf,
 827    pub is_dir: bool,
 828}
 829
 830#[derive(Clone, Debug, PartialEq)]
 831pub struct DocumentColor {
 832    pub lsp_range: lsp::Range,
 833    pub color: lsp::Color,
 834    pub resolved: bool,
 835    pub color_presentations: Vec<ColorPresentation>,
 836}
 837
 838impl Eq for DocumentColor {}
 839
 840impl std::hash::Hash for DocumentColor {
 841    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 842        self.lsp_range.hash(state);
 843        self.color.red.to_bits().hash(state);
 844        self.color.green.to_bits().hash(state);
 845        self.color.blue.to_bits().hash(state);
 846        self.color.alpha.to_bits().hash(state);
 847        self.resolved.hash(state);
 848        self.color_presentations.hash(state);
 849    }
 850}
 851
 852#[derive(Clone, Debug, PartialEq, Eq)]
 853pub struct ColorPresentation {
 854    pub label: SharedString,
 855    pub text_edit: Option<lsp::TextEdit>,
 856    pub additional_text_edits: Vec<lsp::TextEdit>,
 857}
 858
 859impl std::hash::Hash for ColorPresentation {
 860    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 861        self.label.hash(state);
 862        if let Some(ref edit) = self.text_edit {
 863            edit.range.hash(state);
 864            edit.new_text.hash(state);
 865        }
 866        self.additional_text_edits.len().hash(state);
 867        for edit in &self.additional_text_edits {
 868            edit.range.hash(state);
 869            edit.new_text.hash(state);
 870        }
 871    }
 872}
 873
 874#[derive(Clone)]
 875pub enum DirectoryLister {
 876    Project(Entity<Project>),
 877    Local(Entity<Project>, Arc<dyn Fs>),
 878}
 879
 880impl std::fmt::Debug for DirectoryLister {
 881    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 882        match self {
 883            DirectoryLister::Project(project) => {
 884                write!(f, "DirectoryLister::Project({project:?})")
 885            }
 886            DirectoryLister::Local(project, _) => {
 887                write!(f, "DirectoryLister::Local({project:?})")
 888            }
 889        }
 890    }
 891}
 892
 893impl DirectoryLister {
 894    pub fn is_local(&self, cx: &App) -> bool {
 895        match self {
 896            DirectoryLister::Local(..) => true,
 897            DirectoryLister::Project(project) => project.read(cx).is_local(),
 898        }
 899    }
 900
 901    pub fn resolve_tilde<'a>(&self, path: &'a String, cx: &App) -> Cow<'a, str> {
 902        if self.is_local(cx) {
 903            shellexpand::tilde(path)
 904        } else {
 905            Cow::from(path)
 906        }
 907    }
 908
 909    pub fn default_query(&self, cx: &mut App) -> String {
 910        let project = match self {
 911            DirectoryLister::Project(project) => project,
 912            DirectoryLister::Local(project, _) => project,
 913        }
 914        .read(cx);
 915        let path_style = project.path_style(cx);
 916        project
 917            .visible_worktrees(cx)
 918            .next()
 919            .map(|worktree| worktree.read(cx).abs_path().to_string_lossy().into_owned())
 920            .or_else(|| std::env::home_dir().map(|dir| dir.to_string_lossy().into_owned()))
 921            .map(|mut s| {
 922                s.push_str(path_style.separator());
 923                s
 924            })
 925            .unwrap_or_else(|| {
 926                if path_style.is_windows() {
 927                    "C:\\"
 928                } else {
 929                    "~/"
 930                }
 931                .to_string()
 932            })
 933    }
 934
 935    pub fn list_directory(&self, path: String, cx: &mut App) -> Task<Result<Vec<DirectoryItem>>> {
 936        match self {
 937            DirectoryLister::Project(project) => {
 938                project.update(cx, |project, cx| project.list_directory(path, cx))
 939            }
 940            DirectoryLister::Local(_, fs) => {
 941                let fs = fs.clone();
 942                cx.background_spawn(async move {
 943                    let mut results = vec![];
 944                    let expanded = shellexpand::tilde(&path);
 945                    let query = Path::new(expanded.as_ref());
 946                    let mut response = fs.read_dir(query).await?;
 947                    while let Some(path) = response.next().await {
 948                        let path = path?;
 949                        if let Some(file_name) = path.file_name() {
 950                            results.push(DirectoryItem {
 951                                path: PathBuf::from(file_name.to_os_string()),
 952                                is_dir: fs.is_dir(&path).await,
 953                            });
 954                        }
 955                    }
 956                    Ok(results)
 957                })
 958            }
 959        }
 960    }
 961}
 962
 963#[cfg(any(test, feature = "test-support"))]
 964pub const DEFAULT_COMPLETION_CONTEXT: CompletionContext = CompletionContext {
 965    trigger_kind: lsp::CompletionTriggerKind::INVOKED,
 966    trigger_character: None,
 967};
 968
 969/// An LSP diagnostics associated with a certain language server.
 970#[derive(Clone, Debug, Default)]
 971pub enum LspPullDiagnostics {
 972    #[default]
 973    Default,
 974    Response {
 975        /// The id of the language server that produced diagnostics.
 976        server_id: LanguageServerId,
 977        /// URI of the resource,
 978        uri: lsp::Uri,
 979        /// The diagnostics produced by this language server.
 980        diagnostics: PulledDiagnostics,
 981    },
 982}
 983
 984#[derive(Clone, Debug)]
 985pub enum PulledDiagnostics {
 986    Unchanged {
 987        /// An ID the current pulled batch for this file.
 988        /// If given, can be used to query workspace diagnostics partially.
 989        result_id: String,
 990    },
 991    Changed {
 992        result_id: Option<String>,
 993        diagnostics: Vec<lsp::Diagnostic>,
 994    },
 995}
 996
 997/// Whether to disable all AI features in Zed.
 998///
 999/// Default: false
1000#[derive(Copy, Clone, Debug)]
1001pub struct DisableAiSettings {
1002    pub disable_ai: bool,
1003}
1004
1005impl settings::Settings for DisableAiSettings {
1006    fn from_settings(content: &settings::SettingsContent) -> Self {
1007        Self {
1008            disable_ai: content.disable_ai.unwrap().0,
1009        }
1010    }
1011}
1012
1013impl Project {
1014    pub fn init_settings(cx: &mut App) {
1015        WorktreeSettings::register(cx);
1016        ProjectSettings::register(cx);
1017        DisableAiSettings::register(cx);
1018        AllAgentServersSettings::register(cx);
1019    }
1020
1021    pub fn init(client: &Arc<Client>, cx: &mut App) {
1022        connection_manager::init(client.clone(), cx);
1023        Self::init_settings(cx);
1024
1025        let client: AnyProtoClient = client.clone().into();
1026        client.add_entity_message_handler(Self::handle_add_collaborator);
1027        client.add_entity_message_handler(Self::handle_update_project_collaborator);
1028        client.add_entity_message_handler(Self::handle_remove_collaborator);
1029        client.add_entity_message_handler(Self::handle_update_project);
1030        client.add_entity_message_handler(Self::handle_unshare_project);
1031        client.add_entity_request_handler(Self::handle_update_buffer);
1032        client.add_entity_message_handler(Self::handle_update_worktree);
1033        client.add_entity_request_handler(Self::handle_synchronize_buffers);
1034
1035        client.add_entity_request_handler(Self::handle_search_candidate_buffers);
1036        client.add_entity_request_handler(Self::handle_open_buffer_by_id);
1037        client.add_entity_request_handler(Self::handle_open_buffer_by_path);
1038        client.add_entity_request_handler(Self::handle_open_new_buffer);
1039        client.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1040        client.add_entity_message_handler(Self::handle_toggle_lsp_logs);
1041
1042        WorktreeStore::init(&client);
1043        BufferStore::init(&client);
1044        LspStore::init(&client);
1045        GitStore::init(&client);
1046        SettingsObserver::init(&client);
1047        TaskStore::init(Some(&client));
1048        ToolchainStore::init(&client);
1049        DapStore::init(&client, cx);
1050        BreakpointStore::init(&client);
1051        context_server_store::init(cx);
1052    }
1053
1054    pub fn local(
1055        client: Arc<Client>,
1056        node: NodeRuntime,
1057        user_store: Entity<UserStore>,
1058        languages: Arc<LanguageRegistry>,
1059        fs: Arc<dyn Fs>,
1060        env: Option<HashMap<String, String>>,
1061        cx: &mut App,
1062    ) -> Entity<Self> {
1063        cx.new(|cx: &mut Context<Self>| {
1064            let (tx, rx) = mpsc::unbounded();
1065            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1066                .detach();
1067            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1068            let worktree_store = cx.new(|_| WorktreeStore::local(false, fs.clone()));
1069            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1070                .detach();
1071
1072            let weak_self = cx.weak_entity();
1073            let context_server_store =
1074                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), weak_self, cx));
1075
1076            let environment = cx.new(|cx| ProjectEnvironment::new(env, cx));
1077            let manifest_tree = ManifestTree::new(worktree_store.clone(), cx);
1078            let toolchain_store = cx.new(|cx| {
1079                ToolchainStore::local(
1080                    languages.clone(),
1081                    worktree_store.clone(),
1082                    environment.clone(),
1083                    manifest_tree.clone(),
1084                    fs.clone(),
1085                    cx,
1086                )
1087            });
1088
1089            let buffer_store = cx.new(|cx| BufferStore::local(worktree_store.clone(), cx));
1090            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1091                .detach();
1092
1093            let breakpoint_store =
1094                cx.new(|_| BreakpointStore::local(worktree_store.clone(), buffer_store.clone()));
1095
1096            let dap_store = cx.new(|cx| {
1097                DapStore::new_local(
1098                    client.http_client(),
1099                    node.clone(),
1100                    fs.clone(),
1101                    environment.clone(),
1102                    toolchain_store.read(cx).as_language_toolchain_store(),
1103                    worktree_store.clone(),
1104                    breakpoint_store.clone(),
1105                    false,
1106                    cx,
1107                )
1108            });
1109            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1110
1111            let image_store = cx.new(|cx| ImageStore::local(worktree_store.clone(), cx));
1112            cx.subscribe(&image_store, Self::on_image_store_event)
1113                .detach();
1114
1115            let prettier_store = cx.new(|cx| {
1116                PrettierStore::new(
1117                    node.clone(),
1118                    fs.clone(),
1119                    languages.clone(),
1120                    worktree_store.clone(),
1121                    cx,
1122                )
1123            });
1124
1125            let task_store = cx.new(|cx| {
1126                TaskStore::local(
1127                    buffer_store.downgrade(),
1128                    worktree_store.clone(),
1129                    toolchain_store.read(cx).as_language_toolchain_store(),
1130                    environment.clone(),
1131                    cx,
1132                )
1133            });
1134
1135            let settings_observer = cx.new(|cx| {
1136                SettingsObserver::new_local(
1137                    fs.clone(),
1138                    worktree_store.clone(),
1139                    task_store.clone(),
1140                    cx,
1141                )
1142            });
1143            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1144                .detach();
1145
1146            let lsp_store = cx.new(|cx| {
1147                LspStore::new_local(
1148                    buffer_store.clone(),
1149                    worktree_store.clone(),
1150                    prettier_store.clone(),
1151                    toolchain_store
1152                        .read(cx)
1153                        .as_local_store()
1154                        .expect("Toolchain store to be local")
1155                        .clone(),
1156                    environment.clone(),
1157                    manifest_tree,
1158                    languages.clone(),
1159                    client.http_client(),
1160                    fs.clone(),
1161                    cx,
1162                )
1163            });
1164
1165            let git_store = cx.new(|cx| {
1166                GitStore::local(
1167                    &worktree_store,
1168                    buffer_store.clone(),
1169                    environment.clone(),
1170                    fs.clone(),
1171                    cx,
1172                )
1173            });
1174
1175            let agent_server_store = cx.new(|cx| {
1176                AgentServerStore::local(
1177                    node.clone(),
1178                    fs.clone(),
1179                    environment.clone(),
1180                    client.http_client(),
1181                    cx,
1182                )
1183            });
1184
1185            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1186
1187            Self {
1188                buffer_ordered_messages_tx: tx,
1189                collaborators: Default::default(),
1190                worktree_store,
1191                buffer_store,
1192                image_store,
1193                lsp_store,
1194                context_server_store,
1195                join_project_response_message_id: 0,
1196                client_state: ProjectClientState::Local,
1197                git_store,
1198                client_subscriptions: Vec::new(),
1199                _subscriptions: vec![cx.on_release(Self::release)],
1200                active_entry: None,
1201                snippets,
1202                languages,
1203                collab_client: client,
1204                task_store,
1205                user_store,
1206                settings_observer,
1207                fs,
1208                remote_client: None,
1209                breakpoint_store,
1210                dap_store,
1211                agent_server_store,
1212
1213                buffers_needing_diff: Default::default(),
1214                git_diff_debouncer: DebouncedDelay::new(),
1215                terminals: Terminals {
1216                    local_handles: Vec::new(),
1217                },
1218                node: Some(node),
1219                search_history: Self::new_search_history(),
1220                environment,
1221                remotely_created_models: Default::default(),
1222
1223                search_included_history: Self::new_search_history(),
1224                search_excluded_history: Self::new_search_history(),
1225
1226                toolchain_store: Some(toolchain_store),
1227
1228                agent_location: None,
1229            }
1230        })
1231    }
1232
1233    pub fn remote(
1234        remote: Entity<RemoteClient>,
1235        client: Arc<Client>,
1236        node: NodeRuntime,
1237        user_store: Entity<UserStore>,
1238        languages: Arc<LanguageRegistry>,
1239        fs: Arc<dyn Fs>,
1240        cx: &mut App,
1241    ) -> Entity<Self> {
1242        cx.new(|cx: &mut Context<Self>| {
1243            let (tx, rx) = mpsc::unbounded();
1244            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1245                .detach();
1246            let global_snippets_dir = paths::snippets_dir().to_owned();
1247            let snippets =
1248                SnippetProvider::new(fs.clone(), BTreeSet::from_iter([global_snippets_dir]), cx);
1249
1250            let (remote_proto, path_style) =
1251                remote.read_with(cx, |remote, _| (remote.proto_client(), remote.path_style()));
1252            let worktree_store = cx.new(|_| {
1253                WorktreeStore::remote(
1254                    false,
1255                    remote_proto.clone(),
1256                    REMOTE_SERVER_PROJECT_ID,
1257                    path_style,
1258                )
1259            });
1260            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1261                .detach();
1262
1263            let weak_self = cx.weak_entity();
1264            let context_server_store =
1265                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), weak_self, cx));
1266
1267            let buffer_store = cx.new(|cx| {
1268                BufferStore::remote(
1269                    worktree_store.clone(),
1270                    remote.read(cx).proto_client(),
1271                    REMOTE_SERVER_PROJECT_ID,
1272                    cx,
1273                )
1274            });
1275            let image_store = cx.new(|cx| {
1276                ImageStore::remote(
1277                    worktree_store.clone(),
1278                    remote.read(cx).proto_client(),
1279                    REMOTE_SERVER_PROJECT_ID,
1280                    cx,
1281                )
1282            });
1283            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1284                .detach();
1285            let toolchain_store = cx.new(|cx| {
1286                ToolchainStore::remote(REMOTE_SERVER_PROJECT_ID, remote.read(cx).proto_client(), cx)
1287            });
1288            let task_store = cx.new(|cx| {
1289                TaskStore::remote(
1290                    buffer_store.downgrade(),
1291                    worktree_store.clone(),
1292                    toolchain_store.read(cx).as_language_toolchain_store(),
1293                    remote.read(cx).proto_client(),
1294                    REMOTE_SERVER_PROJECT_ID,
1295                    cx,
1296                )
1297            });
1298
1299            let settings_observer = cx.new(|cx| {
1300                SettingsObserver::new_remote(
1301                    fs.clone(),
1302                    worktree_store.clone(),
1303                    task_store.clone(),
1304                    Some(remote_proto.clone()),
1305                    cx,
1306                )
1307            });
1308            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1309                .detach();
1310
1311            let environment = cx.new(|cx| ProjectEnvironment::new(None, cx));
1312
1313            let lsp_store = cx.new(|cx| {
1314                LspStore::new_remote(
1315                    buffer_store.clone(),
1316                    worktree_store.clone(),
1317                    languages.clone(),
1318                    remote_proto.clone(),
1319                    REMOTE_SERVER_PROJECT_ID,
1320                    cx,
1321                )
1322            });
1323            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1324
1325            let breakpoint_store =
1326                cx.new(|_| BreakpointStore::remote(REMOTE_SERVER_PROJECT_ID, remote_proto.clone()));
1327
1328            let dap_store = cx.new(|cx| {
1329                DapStore::new_remote(
1330                    REMOTE_SERVER_PROJECT_ID,
1331                    remote.clone(),
1332                    breakpoint_store.clone(),
1333                    worktree_store.clone(),
1334                    node.clone(),
1335                    client.http_client(),
1336                    fs.clone(),
1337                    cx,
1338                )
1339            });
1340
1341            let git_store = cx.new(|cx| {
1342                GitStore::remote(
1343                    &worktree_store,
1344                    buffer_store.clone(),
1345                    remote_proto.clone(),
1346                    REMOTE_SERVER_PROJECT_ID,
1347                    cx,
1348                )
1349            });
1350
1351            let agent_server_store =
1352                cx.new(|_| AgentServerStore::remote(REMOTE_SERVER_PROJECT_ID, remote.clone()));
1353
1354            cx.subscribe(&remote, Self::on_remote_client_event).detach();
1355
1356            let this = Self {
1357                buffer_ordered_messages_tx: tx,
1358                collaborators: Default::default(),
1359                worktree_store,
1360                buffer_store,
1361                image_store,
1362                lsp_store,
1363                context_server_store,
1364                breakpoint_store,
1365                dap_store,
1366                join_project_response_message_id: 0,
1367                client_state: ProjectClientState::Local,
1368                git_store,
1369                agent_server_store,
1370                client_subscriptions: Vec::new(),
1371                _subscriptions: vec![
1372                    cx.on_release(Self::release),
1373                    cx.on_app_quit(|this, cx| {
1374                        let shutdown = this.remote_client.take().and_then(|client| {
1375                            client.update(cx, |client, cx| {
1376                                client.shutdown_processes(
1377                                    Some(proto::ShutdownRemoteServer {}),
1378                                    cx.background_executor().clone(),
1379                                )
1380                            })
1381                        });
1382
1383                        cx.background_executor().spawn(async move {
1384                            if let Some(shutdown) = shutdown {
1385                                shutdown.await;
1386                            }
1387                        })
1388                    }),
1389                ],
1390                active_entry: None,
1391                snippets,
1392                languages,
1393                collab_client: client,
1394                task_store,
1395                user_store,
1396                settings_observer,
1397                fs,
1398                remote_client: Some(remote.clone()),
1399                buffers_needing_diff: Default::default(),
1400                git_diff_debouncer: DebouncedDelay::new(),
1401                terminals: Terminals {
1402                    local_handles: Vec::new(),
1403                },
1404                node: Some(node),
1405                search_history: Self::new_search_history(),
1406                environment,
1407                remotely_created_models: Default::default(),
1408
1409                search_included_history: Self::new_search_history(),
1410                search_excluded_history: Self::new_search_history(),
1411
1412                toolchain_store: Some(toolchain_store),
1413                agent_location: None,
1414            };
1415
1416            // remote server -> local machine handlers
1417            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &cx.entity());
1418            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.buffer_store);
1419            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.worktree_store);
1420            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.lsp_store);
1421            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.dap_store);
1422            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.settings_observer);
1423            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.git_store);
1424            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.agent_server_store);
1425
1426            remote_proto.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1427            remote_proto.add_entity_message_handler(Self::handle_update_worktree);
1428            remote_proto.add_entity_message_handler(Self::handle_update_project);
1429            remote_proto.add_entity_message_handler(Self::handle_toast);
1430            remote_proto.add_entity_request_handler(Self::handle_language_server_prompt_request);
1431            remote_proto.add_entity_message_handler(Self::handle_hide_toast);
1432            remote_proto.add_entity_request_handler(Self::handle_update_buffer_from_remote_server);
1433            BufferStore::init(&remote_proto);
1434            LspStore::init(&remote_proto);
1435            SettingsObserver::init(&remote_proto);
1436            TaskStore::init(Some(&remote_proto));
1437            ToolchainStore::init(&remote_proto);
1438            DapStore::init(&remote_proto, cx);
1439            GitStore::init(&remote_proto);
1440            AgentServerStore::init_remote(&remote_proto);
1441
1442            this
1443        })
1444    }
1445
1446    pub async fn in_room(
1447        remote_id: u64,
1448        client: Arc<Client>,
1449        user_store: Entity<UserStore>,
1450        languages: Arc<LanguageRegistry>,
1451        fs: Arc<dyn Fs>,
1452        cx: AsyncApp,
1453    ) -> Result<Entity<Self>> {
1454        client.connect(true, &cx).await.into_response()?;
1455
1456        let subscriptions = [
1457            EntitySubscription::Project(client.subscribe_to_entity::<Self>(remote_id)?),
1458            EntitySubscription::BufferStore(client.subscribe_to_entity::<BufferStore>(remote_id)?),
1459            EntitySubscription::GitStore(client.subscribe_to_entity::<GitStore>(remote_id)?),
1460            EntitySubscription::WorktreeStore(
1461                client.subscribe_to_entity::<WorktreeStore>(remote_id)?,
1462            ),
1463            EntitySubscription::LspStore(client.subscribe_to_entity::<LspStore>(remote_id)?),
1464            EntitySubscription::SettingsObserver(
1465                client.subscribe_to_entity::<SettingsObserver>(remote_id)?,
1466            ),
1467            EntitySubscription::DapStore(client.subscribe_to_entity::<DapStore>(remote_id)?),
1468        ];
1469        let committer = get_git_committer(&cx).await;
1470        let response = client
1471            .request_envelope(proto::JoinProject {
1472                project_id: remote_id,
1473                committer_email: committer.email,
1474                committer_name: committer.name,
1475            })
1476            .await?;
1477        Self::from_join_project_response(
1478            response,
1479            subscriptions,
1480            client,
1481            false,
1482            user_store,
1483            languages,
1484            fs,
1485            cx,
1486        )
1487        .await
1488    }
1489
1490    async fn from_join_project_response(
1491        response: TypedEnvelope<proto::JoinProjectResponse>,
1492        subscriptions: [EntitySubscription; 7],
1493        client: Arc<Client>,
1494        run_tasks: bool,
1495        user_store: Entity<UserStore>,
1496        languages: Arc<LanguageRegistry>,
1497        fs: Arc<dyn Fs>,
1498        mut cx: AsyncApp,
1499    ) -> Result<Entity<Self>> {
1500        let remote_id = response.payload.project_id;
1501        let role = response.payload.role();
1502
1503        let path_style = if response.payload.windows_paths {
1504            PathStyle::Windows
1505        } else {
1506            PathStyle::Posix
1507        };
1508
1509        let worktree_store = cx.new(|_| {
1510            WorktreeStore::remote(
1511                true,
1512                client.clone().into(),
1513                response.payload.project_id,
1514                path_style,
1515            )
1516        })?;
1517        let buffer_store = cx.new(|cx| {
1518            BufferStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1519        })?;
1520        let image_store = cx.new(|cx| {
1521            ImageStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1522        })?;
1523
1524        let environment = cx.new(|cx| ProjectEnvironment::new(None, cx))?;
1525
1526        let breakpoint_store =
1527            cx.new(|_| BreakpointStore::remote(remote_id, client.clone().into()))?;
1528        let dap_store = cx.new(|cx| {
1529            DapStore::new_collab(
1530                remote_id,
1531                client.clone().into(),
1532                breakpoint_store.clone(),
1533                worktree_store.clone(),
1534                fs.clone(),
1535                cx,
1536            )
1537        })?;
1538
1539        let lsp_store = cx.new(|cx| {
1540            LspStore::new_remote(
1541                buffer_store.clone(),
1542                worktree_store.clone(),
1543                languages.clone(),
1544                client.clone().into(),
1545                remote_id,
1546                cx,
1547            )
1548        })?;
1549
1550        let task_store = cx.new(|cx| {
1551            if run_tasks {
1552                TaskStore::remote(
1553                    buffer_store.downgrade(),
1554                    worktree_store.clone(),
1555                    Arc::new(EmptyToolchainStore),
1556                    client.clone().into(),
1557                    remote_id,
1558                    cx,
1559                )
1560            } else {
1561                TaskStore::Noop
1562            }
1563        })?;
1564
1565        let settings_observer = cx.new(|cx| {
1566            SettingsObserver::new_remote(
1567                fs.clone(),
1568                worktree_store.clone(),
1569                task_store.clone(),
1570                None,
1571                cx,
1572            )
1573        })?;
1574
1575        let git_store = cx.new(|cx| {
1576            GitStore::remote(
1577                // In this remote case we pass None for the environment
1578                &worktree_store,
1579                buffer_store.clone(),
1580                client.clone().into(),
1581                remote_id,
1582                cx,
1583            )
1584        })?;
1585
1586        let agent_server_store = cx.new(|cx| AgentServerStore::collab(cx))?;
1587        let replica_id = ReplicaId::new(response.payload.replica_id as u16);
1588
1589        let project = cx.new(|cx| {
1590            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1591
1592            let weak_self = cx.weak_entity();
1593            let context_server_store =
1594                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), weak_self, cx));
1595
1596            let mut worktrees = Vec::new();
1597            for worktree in response.payload.worktrees {
1598                let worktree = Worktree::remote(
1599                    remote_id,
1600                    replica_id,
1601                    worktree,
1602                    client.clone().into(),
1603                    path_style,
1604                    cx,
1605                );
1606                worktrees.push(worktree);
1607            }
1608
1609            let (tx, rx) = mpsc::unbounded();
1610            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1611                .detach();
1612
1613            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1614                .detach();
1615
1616            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1617                .detach();
1618            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1619            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1620                .detach();
1621
1622            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1623
1624            let mut project = Self {
1625                buffer_ordered_messages_tx: tx,
1626                buffer_store: buffer_store.clone(),
1627                image_store,
1628                worktree_store: worktree_store.clone(),
1629                lsp_store: lsp_store.clone(),
1630                context_server_store,
1631                active_entry: None,
1632                collaborators: Default::default(),
1633                join_project_response_message_id: response.message_id,
1634                languages,
1635                user_store: user_store.clone(),
1636                task_store,
1637                snippets,
1638                fs,
1639                remote_client: None,
1640                settings_observer: settings_observer.clone(),
1641                client_subscriptions: Default::default(),
1642                _subscriptions: vec![cx.on_release(Self::release)],
1643                collab_client: client.clone(),
1644                client_state: ProjectClientState::Remote {
1645                    sharing_has_stopped: false,
1646                    capability: Capability::ReadWrite,
1647                    remote_id,
1648                    replica_id,
1649                },
1650                breakpoint_store,
1651                dap_store: dap_store.clone(),
1652                git_store: git_store.clone(),
1653                agent_server_store,
1654                buffers_needing_diff: Default::default(),
1655                git_diff_debouncer: DebouncedDelay::new(),
1656                terminals: Terminals {
1657                    local_handles: Vec::new(),
1658                },
1659                node: None,
1660                search_history: Self::new_search_history(),
1661                search_included_history: Self::new_search_history(),
1662                search_excluded_history: Self::new_search_history(),
1663                environment,
1664                remotely_created_models: Arc::new(Mutex::new(RemotelyCreatedModels::default())),
1665                toolchain_store: None,
1666                agent_location: None,
1667            };
1668            project.set_role(role, cx);
1669            for worktree in worktrees {
1670                project.add_worktree(&worktree, cx);
1671            }
1672            project
1673        })?;
1674
1675        let weak_project = project.downgrade();
1676        lsp_store
1677            .update(&mut cx, |lsp_store, cx| {
1678                lsp_store.set_language_server_statuses_from_proto(
1679                    weak_project,
1680                    response.payload.language_servers,
1681                    response.payload.language_server_capabilities,
1682                    cx,
1683                );
1684            })
1685            .ok();
1686
1687        let subscriptions = subscriptions
1688            .into_iter()
1689            .map(|s| match s {
1690                EntitySubscription::BufferStore(subscription) => {
1691                    subscription.set_entity(&buffer_store, &cx)
1692                }
1693                EntitySubscription::WorktreeStore(subscription) => {
1694                    subscription.set_entity(&worktree_store, &cx)
1695                }
1696                EntitySubscription::GitStore(subscription) => {
1697                    subscription.set_entity(&git_store, &cx)
1698                }
1699                EntitySubscription::SettingsObserver(subscription) => {
1700                    subscription.set_entity(&settings_observer, &cx)
1701                }
1702                EntitySubscription::Project(subscription) => subscription.set_entity(&project, &cx),
1703                EntitySubscription::LspStore(subscription) => {
1704                    subscription.set_entity(&lsp_store, &cx)
1705                }
1706                EntitySubscription::DapStore(subscription) => {
1707                    subscription.set_entity(&dap_store, &cx)
1708                }
1709            })
1710            .collect::<Vec<_>>();
1711
1712        let user_ids = response
1713            .payload
1714            .collaborators
1715            .iter()
1716            .map(|peer| peer.user_id)
1717            .collect();
1718        user_store
1719            .update(&mut cx, |user_store, cx| user_store.get_users(user_ids, cx))?
1720            .await?;
1721
1722        project.update(&mut cx, |this, cx| {
1723            this.set_collaborators_from_proto(response.payload.collaborators, cx)?;
1724            this.client_subscriptions.extend(subscriptions);
1725            anyhow::Ok(())
1726        })??;
1727
1728        Ok(project)
1729    }
1730
1731    fn new_search_history() -> SearchHistory {
1732        SearchHistory::new(
1733            Some(MAX_PROJECT_SEARCH_HISTORY_SIZE),
1734            search_history::QueryInsertionBehavior::AlwaysInsert,
1735        )
1736    }
1737
1738    fn release(&mut self, cx: &mut App) {
1739        if let Some(client) = self.remote_client.take() {
1740            let shutdown = client.update(cx, |client, cx| {
1741                client.shutdown_processes(
1742                    Some(proto::ShutdownRemoteServer {}),
1743                    cx.background_executor().clone(),
1744                )
1745            });
1746
1747            cx.background_spawn(async move {
1748                if let Some(shutdown) = shutdown {
1749                    shutdown.await;
1750                }
1751            })
1752            .detach()
1753        }
1754
1755        match &self.client_state {
1756            ProjectClientState::Local => {}
1757            ProjectClientState::Shared { .. } => {
1758                let _ = self.unshare_internal(cx);
1759            }
1760            ProjectClientState::Remote { remote_id, .. } => {
1761                let _ = self.collab_client.send(proto::LeaveProject {
1762                    project_id: *remote_id,
1763                });
1764                self.disconnected_from_host_internal(cx);
1765            }
1766        }
1767    }
1768
1769    #[cfg(any(test, feature = "test-support"))]
1770    pub async fn example(
1771        root_paths: impl IntoIterator<Item = &Path>,
1772        cx: &mut AsyncApp,
1773    ) -> Entity<Project> {
1774        use clock::FakeSystemClock;
1775
1776        let fs = Arc::new(RealFs::new(None, cx.background_executor().clone()));
1777        let languages = LanguageRegistry::test(cx.background_executor().clone());
1778        let clock = Arc::new(FakeSystemClock::new());
1779        let http_client = http_client::FakeHttpClient::with_404_response();
1780        let client = cx
1781            .update(|cx| client::Client::new(clock, http_client.clone(), cx))
1782            .unwrap();
1783        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx)).unwrap();
1784        let project = cx
1785            .update(|cx| {
1786                Project::local(
1787                    client,
1788                    node_runtime::NodeRuntime::unavailable(),
1789                    user_store,
1790                    Arc::new(languages),
1791                    fs,
1792                    None,
1793                    cx,
1794                )
1795            })
1796            .unwrap();
1797        for path in root_paths {
1798            let (tree, _) = project
1799                .update(cx, |project, cx| {
1800                    project.find_or_create_worktree(path, true, cx)
1801                })
1802                .unwrap()
1803                .await
1804                .unwrap();
1805            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
1806                .unwrap()
1807                .await;
1808        }
1809        project
1810    }
1811
1812    #[cfg(any(test, feature = "test-support"))]
1813    pub async fn test(
1814        fs: Arc<dyn Fs>,
1815        root_paths: impl IntoIterator<Item = &Path>,
1816        cx: &mut gpui::TestAppContext,
1817    ) -> Entity<Project> {
1818        use clock::FakeSystemClock;
1819
1820        let languages = LanguageRegistry::test(cx.executor());
1821        let clock = Arc::new(FakeSystemClock::new());
1822        let http_client = http_client::FakeHttpClient::with_404_response();
1823        let client = cx.update(|cx| client::Client::new(clock, http_client.clone(), cx));
1824        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
1825        let project = cx.update(|cx| {
1826            Project::local(
1827                client,
1828                node_runtime::NodeRuntime::unavailable(),
1829                user_store,
1830                Arc::new(languages),
1831                fs,
1832                None,
1833                cx,
1834            )
1835        });
1836        for path in root_paths {
1837            let (tree, _) = project
1838                .update(cx, |project, cx| {
1839                    project.find_or_create_worktree(path, true, cx)
1840                })
1841                .await
1842                .unwrap();
1843
1844            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
1845                .await;
1846        }
1847        project
1848    }
1849
1850    #[inline]
1851    pub fn dap_store(&self) -> Entity<DapStore> {
1852        self.dap_store.clone()
1853    }
1854
1855    #[inline]
1856    pub fn breakpoint_store(&self) -> Entity<BreakpointStore> {
1857        self.breakpoint_store.clone()
1858    }
1859
1860    pub fn active_debug_session(&self, cx: &App) -> Option<(Entity<Session>, ActiveStackFrame)> {
1861        let active_position = self.breakpoint_store.read(cx).active_position()?;
1862        let session = self
1863            .dap_store
1864            .read(cx)
1865            .session_by_id(active_position.session_id)?;
1866        Some((session, active_position.clone()))
1867    }
1868
1869    #[inline]
1870    pub fn lsp_store(&self) -> Entity<LspStore> {
1871        self.lsp_store.clone()
1872    }
1873
1874    #[inline]
1875    pub fn worktree_store(&self) -> Entity<WorktreeStore> {
1876        self.worktree_store.clone()
1877    }
1878
1879    #[inline]
1880    pub fn context_server_store(&self) -> Entity<ContextServerStore> {
1881        self.context_server_store.clone()
1882    }
1883
1884    #[inline]
1885    pub fn buffer_for_id(&self, remote_id: BufferId, cx: &App) -> Option<Entity<Buffer>> {
1886        self.buffer_store.read(cx).get(remote_id)
1887    }
1888
1889    #[inline]
1890    pub fn languages(&self) -> &Arc<LanguageRegistry> {
1891        &self.languages
1892    }
1893
1894    #[inline]
1895    pub fn client(&self) -> Arc<Client> {
1896        self.collab_client.clone()
1897    }
1898
1899    #[inline]
1900    pub fn remote_client(&self) -> Option<Entity<RemoteClient>> {
1901        self.remote_client.clone()
1902    }
1903
1904    #[inline]
1905    pub fn user_store(&self) -> Entity<UserStore> {
1906        self.user_store.clone()
1907    }
1908
1909    #[inline]
1910    pub fn node_runtime(&self) -> Option<&NodeRuntime> {
1911        self.node.as_ref()
1912    }
1913
1914    #[inline]
1915    pub fn opened_buffers(&self, cx: &App) -> Vec<Entity<Buffer>> {
1916        self.buffer_store.read(cx).buffers().collect()
1917    }
1918
1919    #[inline]
1920    pub fn environment(&self) -> &Entity<ProjectEnvironment> {
1921        &self.environment
1922    }
1923
1924    #[inline]
1925    pub fn cli_environment(&self, cx: &App) -> Option<HashMap<String, String>> {
1926        self.environment.read(cx).get_cli_environment()
1927    }
1928
1929    pub fn buffer_environment<'a>(
1930        &'a self,
1931        buffer: &Entity<Buffer>,
1932        worktree_store: &Entity<WorktreeStore>,
1933        cx: &'a mut App,
1934    ) -> Shared<Task<Option<HashMap<String, String>>>> {
1935        self.environment.update(cx, |environment, cx| {
1936            environment.get_buffer_environment(buffer, worktree_store, cx)
1937        })
1938    }
1939
1940    pub fn directory_environment(
1941        &self,
1942        shell: &Shell,
1943        abs_path: Arc<Path>,
1944        cx: &mut App,
1945    ) -> Shared<Task<Option<HashMap<String, String>>>> {
1946        self.environment.update(cx, |environment, cx| {
1947            if let Some(remote_client) = self.remote_client.clone() {
1948                environment.get_remote_directory_environment(shell, abs_path, remote_client, cx)
1949            } else {
1950                environment.get_local_directory_environment(shell, abs_path, cx)
1951            }
1952        })
1953    }
1954
1955    #[inline]
1956    pub fn peek_environment_error<'a>(&'a self, cx: &'a App) -> Option<&'a String> {
1957        self.environment.read(cx).peek_environment_error()
1958    }
1959
1960    #[inline]
1961    pub fn pop_environment_error(&mut self, cx: &mut Context<Self>) {
1962        self.environment.update(cx, |environment, _| {
1963            environment.pop_environment_error();
1964        });
1965    }
1966
1967    #[cfg(any(test, feature = "test-support"))]
1968    #[inline]
1969    pub fn has_open_buffer(&self, path: impl Into<ProjectPath>, cx: &App) -> bool {
1970        self.buffer_store
1971            .read(cx)
1972            .get_by_path(&path.into())
1973            .is_some()
1974    }
1975
1976    #[inline]
1977    pub fn fs(&self) -> &Arc<dyn Fs> {
1978        &self.fs
1979    }
1980
1981    #[inline]
1982    pub fn remote_id(&self) -> Option<u64> {
1983        match self.client_state {
1984            ProjectClientState::Local => None,
1985            ProjectClientState::Shared { remote_id, .. }
1986            | ProjectClientState::Remote { remote_id, .. } => Some(remote_id),
1987        }
1988    }
1989
1990    #[inline]
1991    pub fn supports_terminal(&self, _cx: &App) -> bool {
1992        if self.is_local() {
1993            return true;
1994        }
1995        if self.is_via_remote_server() {
1996            return true;
1997        }
1998
1999        false
2000    }
2001
2002    #[inline]
2003    pub fn remote_connection_state(&self, cx: &App) -> Option<remote::ConnectionState> {
2004        self.remote_client
2005            .as_ref()
2006            .map(|remote| remote.read(cx).connection_state())
2007    }
2008
2009    #[inline]
2010    pub fn remote_connection_options(&self, cx: &App) -> Option<RemoteConnectionOptions> {
2011        self.remote_client
2012            .as_ref()
2013            .map(|remote| remote.read(cx).connection_options())
2014    }
2015
2016    #[inline]
2017    pub fn replica_id(&self) -> ReplicaId {
2018        match self.client_state {
2019            ProjectClientState::Remote { replica_id, .. } => replica_id,
2020            _ => {
2021                if self.remote_client.is_some() {
2022                    ReplicaId::REMOTE_SERVER
2023                } else {
2024                    ReplicaId::LOCAL
2025                }
2026            }
2027        }
2028    }
2029
2030    #[inline]
2031    pub fn task_store(&self) -> &Entity<TaskStore> {
2032        &self.task_store
2033    }
2034
2035    #[inline]
2036    pub fn snippets(&self) -> &Entity<SnippetProvider> {
2037        &self.snippets
2038    }
2039
2040    #[inline]
2041    pub fn search_history(&self, kind: SearchInputKind) -> &SearchHistory {
2042        match kind {
2043            SearchInputKind::Query => &self.search_history,
2044            SearchInputKind::Include => &self.search_included_history,
2045            SearchInputKind::Exclude => &self.search_excluded_history,
2046        }
2047    }
2048
2049    #[inline]
2050    pub fn search_history_mut(&mut self, kind: SearchInputKind) -> &mut SearchHistory {
2051        match kind {
2052            SearchInputKind::Query => &mut self.search_history,
2053            SearchInputKind::Include => &mut self.search_included_history,
2054            SearchInputKind::Exclude => &mut self.search_excluded_history,
2055        }
2056    }
2057
2058    #[inline]
2059    pub fn collaborators(&self) -> &HashMap<proto::PeerId, Collaborator> {
2060        &self.collaborators
2061    }
2062
2063    #[inline]
2064    pub fn host(&self) -> Option<&Collaborator> {
2065        self.collaborators.values().find(|c| c.is_host)
2066    }
2067
2068    #[inline]
2069    pub fn set_worktrees_reordered(&mut self, worktrees_reordered: bool, cx: &mut App) {
2070        self.worktree_store.update(cx, |store, _| {
2071            store.set_worktrees_reordered(worktrees_reordered);
2072        });
2073    }
2074
2075    /// Collect all worktrees, including ones that don't appear in the project panel
2076    #[inline]
2077    pub fn worktrees<'a>(
2078        &self,
2079        cx: &'a App,
2080    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
2081        self.worktree_store.read(cx).worktrees()
2082    }
2083
2084    /// Collect all user-visible worktrees, the ones that appear in the project panel.
2085    #[inline]
2086    pub fn visible_worktrees<'a>(
2087        &'a self,
2088        cx: &'a App,
2089    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
2090        self.worktree_store.read(cx).visible_worktrees(cx)
2091    }
2092
2093    #[inline]
2094    pub fn worktree_for_root_name(&self, root_name: &str, cx: &App) -> Option<Entity<Worktree>> {
2095        self.visible_worktrees(cx)
2096            .find(|tree| tree.read(cx).root_name() == root_name)
2097    }
2098
2099    #[inline]
2100    pub fn worktree_root_names<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = &'a str> {
2101        self.visible_worktrees(cx)
2102            .map(|tree| tree.read(cx).root_name().as_unix_str())
2103    }
2104
2105    #[inline]
2106    pub fn worktree_for_id(&self, id: WorktreeId, cx: &App) -> Option<Entity<Worktree>> {
2107        self.worktree_store.read(cx).worktree_for_id(id, cx)
2108    }
2109
2110    pub fn worktree_for_entry(
2111        &self,
2112        entry_id: ProjectEntryId,
2113        cx: &App,
2114    ) -> Option<Entity<Worktree>> {
2115        self.worktree_store
2116            .read(cx)
2117            .worktree_for_entry(entry_id, cx)
2118    }
2119
2120    #[inline]
2121    pub fn worktree_id_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<WorktreeId> {
2122        self.worktree_for_entry(entry_id, cx)
2123            .map(|worktree| worktree.read(cx).id())
2124    }
2125
2126    /// Checks if the entry is the root of a worktree.
2127    #[inline]
2128    pub fn entry_is_worktree_root(&self, entry_id: ProjectEntryId, cx: &App) -> bool {
2129        self.worktree_for_entry(entry_id, cx)
2130            .map(|worktree| {
2131                worktree
2132                    .read(cx)
2133                    .root_entry()
2134                    .is_some_and(|e| e.id == entry_id)
2135            })
2136            .unwrap_or(false)
2137    }
2138
2139    #[inline]
2140    pub fn project_path_git_status(
2141        &self,
2142        project_path: &ProjectPath,
2143        cx: &App,
2144    ) -> Option<FileStatus> {
2145        self.git_store
2146            .read(cx)
2147            .project_path_git_status(project_path, cx)
2148    }
2149
2150    #[inline]
2151    pub fn visibility_for_paths(
2152        &self,
2153        paths: &[PathBuf],
2154        metadatas: &[Metadata],
2155        exclude_sub_dirs: bool,
2156        cx: &App,
2157    ) -> Option<bool> {
2158        paths
2159            .iter()
2160            .zip(metadatas)
2161            .map(|(path, metadata)| self.visibility_for_path(path, metadata, exclude_sub_dirs, cx))
2162            .max()
2163            .flatten()
2164    }
2165
2166    pub fn visibility_for_path(
2167        &self,
2168        path: &Path,
2169        metadata: &Metadata,
2170        exclude_sub_dirs: bool,
2171        cx: &App,
2172    ) -> Option<bool> {
2173        let path = SanitizedPath::new(path).as_path();
2174        self.worktrees(cx)
2175            .filter_map(|worktree| {
2176                let worktree = worktree.read(cx);
2177                let abs_path = worktree.as_local()?.abs_path();
2178                let contains = path == abs_path.as_ref()
2179                    || (path.starts_with(abs_path) && (!exclude_sub_dirs || !metadata.is_dir));
2180                contains.then(|| worktree.is_visible())
2181            })
2182            .max()
2183    }
2184
2185    pub fn create_entry(
2186        &mut self,
2187        project_path: impl Into<ProjectPath>,
2188        is_directory: bool,
2189        cx: &mut Context<Self>,
2190    ) -> Task<Result<CreatedEntry>> {
2191        let project_path = project_path.into();
2192        let Some(worktree) = self.worktree_for_id(project_path.worktree_id, cx) else {
2193            return Task::ready(Err(anyhow!(format!(
2194                "No worktree for path {project_path:?}"
2195            ))));
2196        };
2197        worktree.update(cx, |worktree, cx| {
2198            worktree.create_entry(project_path.path, is_directory, None, cx)
2199        })
2200    }
2201
2202    #[inline]
2203    pub fn copy_entry(
2204        &mut self,
2205        entry_id: ProjectEntryId,
2206        new_project_path: ProjectPath,
2207        cx: &mut Context<Self>,
2208    ) -> Task<Result<Option<Entry>>> {
2209        self.worktree_store.update(cx, |worktree_store, cx| {
2210            worktree_store.copy_entry(entry_id, new_project_path, cx)
2211        })
2212    }
2213
2214    /// Renames the project entry with given `entry_id`.
2215    ///
2216    /// `new_path` is a relative path to worktree root.
2217    /// If root entry is renamed then its new root name is used instead.
2218    pub fn rename_entry(
2219        &mut self,
2220        entry_id: ProjectEntryId,
2221        new_path: ProjectPath,
2222        cx: &mut Context<Self>,
2223    ) -> Task<Result<CreatedEntry>> {
2224        let worktree_store = self.worktree_store.clone();
2225        let Some((worktree, old_path, is_dir)) = worktree_store
2226            .read(cx)
2227            .worktree_and_entry_for_id(entry_id, cx)
2228            .map(|(worktree, entry)| (worktree, entry.path.clone(), entry.is_dir()))
2229        else {
2230            return Task::ready(Err(anyhow!(format!("No worktree for entry {entry_id:?}"))));
2231        };
2232
2233        let worktree_id = worktree.read(cx).id();
2234        let is_root_entry = self.entry_is_worktree_root(entry_id, cx);
2235
2236        let lsp_store = self.lsp_store().downgrade();
2237        cx.spawn(async move |project, cx| {
2238            let (old_abs_path, new_abs_path) = {
2239                let root_path = worktree.read_with(cx, |this, _| this.abs_path())?;
2240                let new_abs_path = if is_root_entry {
2241                    root_path
2242                        .parent()
2243                        .unwrap()
2244                        .join(new_path.path.as_std_path())
2245                } else {
2246                    root_path.join(&new_path.path.as_std_path())
2247                };
2248                (root_path.join(old_path.as_std_path()), new_abs_path)
2249            };
2250            let transaction = LspStore::will_rename_entry(
2251                lsp_store.clone(),
2252                worktree_id,
2253                &old_abs_path,
2254                &new_abs_path,
2255                is_dir,
2256                cx.clone(),
2257            )
2258            .await;
2259
2260            let entry = worktree_store
2261                .update(cx, |worktree_store, cx| {
2262                    worktree_store.rename_entry(entry_id, new_path.clone(), cx)
2263                })?
2264                .await?;
2265
2266            project
2267                .update(cx, |_, cx| {
2268                    cx.emit(Event::EntryRenamed(transaction));
2269                })
2270                .ok();
2271
2272            lsp_store
2273                .read_with(cx, |this, _| {
2274                    this.did_rename_entry(worktree_id, &old_abs_path, &new_abs_path, is_dir);
2275                })
2276                .ok();
2277            Ok(entry)
2278        })
2279    }
2280
2281    #[inline]
2282    pub fn delete_file(
2283        &mut self,
2284        path: ProjectPath,
2285        trash: bool,
2286        cx: &mut Context<Self>,
2287    ) -> Option<Task<Result<()>>> {
2288        let entry = self.entry_for_path(&path, cx)?;
2289        self.delete_entry(entry.id, trash, cx)
2290    }
2291
2292    #[inline]
2293    pub fn delete_entry(
2294        &mut self,
2295        entry_id: ProjectEntryId,
2296        trash: bool,
2297        cx: &mut Context<Self>,
2298    ) -> Option<Task<Result<()>>> {
2299        let worktree = self.worktree_for_entry(entry_id, cx)?;
2300        cx.emit(Event::DeletedEntry(worktree.read(cx).id(), entry_id));
2301        worktree.update(cx, |worktree, cx| {
2302            worktree.delete_entry(entry_id, trash, cx)
2303        })
2304    }
2305
2306    #[inline]
2307    pub fn expand_entry(
2308        &mut self,
2309        worktree_id: WorktreeId,
2310        entry_id: ProjectEntryId,
2311        cx: &mut Context<Self>,
2312    ) -> Option<Task<Result<()>>> {
2313        let worktree = self.worktree_for_id(worktree_id, cx)?;
2314        worktree.update(cx, |worktree, cx| worktree.expand_entry(entry_id, cx))
2315    }
2316
2317    pub fn expand_all_for_entry(
2318        &mut self,
2319        worktree_id: WorktreeId,
2320        entry_id: ProjectEntryId,
2321        cx: &mut Context<Self>,
2322    ) -> Option<Task<Result<()>>> {
2323        let worktree = self.worktree_for_id(worktree_id, cx)?;
2324        let task = worktree.update(cx, |worktree, cx| {
2325            worktree.expand_all_for_entry(entry_id, cx)
2326        });
2327        Some(cx.spawn(async move |this, cx| {
2328            task.context("no task")?.await?;
2329            this.update(cx, |_, cx| {
2330                cx.emit(Event::ExpandedAllForEntry(worktree_id, entry_id));
2331            })?;
2332            Ok(())
2333        }))
2334    }
2335
2336    pub fn shared(&mut self, project_id: u64, cx: &mut Context<Self>) -> Result<()> {
2337        anyhow::ensure!(
2338            matches!(self.client_state, ProjectClientState::Local),
2339            "project was already shared"
2340        );
2341
2342        self.client_subscriptions.extend([
2343            self.collab_client
2344                .subscribe_to_entity(project_id)?
2345                .set_entity(&cx.entity(), &cx.to_async()),
2346            self.collab_client
2347                .subscribe_to_entity(project_id)?
2348                .set_entity(&self.worktree_store, &cx.to_async()),
2349            self.collab_client
2350                .subscribe_to_entity(project_id)?
2351                .set_entity(&self.buffer_store, &cx.to_async()),
2352            self.collab_client
2353                .subscribe_to_entity(project_id)?
2354                .set_entity(&self.lsp_store, &cx.to_async()),
2355            self.collab_client
2356                .subscribe_to_entity(project_id)?
2357                .set_entity(&self.settings_observer, &cx.to_async()),
2358            self.collab_client
2359                .subscribe_to_entity(project_id)?
2360                .set_entity(&self.dap_store, &cx.to_async()),
2361            self.collab_client
2362                .subscribe_to_entity(project_id)?
2363                .set_entity(&self.breakpoint_store, &cx.to_async()),
2364            self.collab_client
2365                .subscribe_to_entity(project_id)?
2366                .set_entity(&self.git_store, &cx.to_async()),
2367        ]);
2368
2369        self.buffer_store.update(cx, |buffer_store, cx| {
2370            buffer_store.shared(project_id, self.collab_client.clone().into(), cx)
2371        });
2372        self.worktree_store.update(cx, |worktree_store, cx| {
2373            worktree_store.shared(project_id, self.collab_client.clone().into(), cx);
2374        });
2375        self.lsp_store.update(cx, |lsp_store, cx| {
2376            lsp_store.shared(project_id, self.collab_client.clone().into(), cx)
2377        });
2378        self.breakpoint_store.update(cx, |breakpoint_store, _| {
2379            breakpoint_store.shared(project_id, self.collab_client.clone().into())
2380        });
2381        self.dap_store.update(cx, |dap_store, cx| {
2382            dap_store.shared(project_id, self.collab_client.clone().into(), cx);
2383        });
2384        self.task_store.update(cx, |task_store, cx| {
2385            task_store.shared(project_id, self.collab_client.clone().into(), cx);
2386        });
2387        self.settings_observer.update(cx, |settings_observer, cx| {
2388            settings_observer.shared(project_id, self.collab_client.clone().into(), cx)
2389        });
2390        self.git_store.update(cx, |git_store, cx| {
2391            git_store.shared(project_id, self.collab_client.clone().into(), cx)
2392        });
2393
2394        self.client_state = ProjectClientState::Shared {
2395            remote_id: project_id,
2396        };
2397
2398        cx.emit(Event::RemoteIdChanged(Some(project_id)));
2399        Ok(())
2400    }
2401
2402    pub fn reshared(
2403        &mut self,
2404        message: proto::ResharedProject,
2405        cx: &mut Context<Self>,
2406    ) -> Result<()> {
2407        self.buffer_store
2408            .update(cx, |buffer_store, _| buffer_store.forget_shared_buffers());
2409        self.set_collaborators_from_proto(message.collaborators, cx)?;
2410
2411        self.worktree_store.update(cx, |worktree_store, cx| {
2412            worktree_store.send_project_updates(cx);
2413        });
2414        if let Some(remote_id) = self.remote_id() {
2415            self.git_store.update(cx, |git_store, cx| {
2416                git_store.shared(remote_id, self.collab_client.clone().into(), cx)
2417            });
2418        }
2419        cx.emit(Event::Reshared);
2420        Ok(())
2421    }
2422
2423    pub fn rejoined(
2424        &mut self,
2425        message: proto::RejoinedProject,
2426        message_id: u32,
2427        cx: &mut Context<Self>,
2428    ) -> Result<()> {
2429        cx.update_global::<SettingsStore, _>(|store, cx| {
2430            self.worktree_store.update(cx, |worktree_store, cx| {
2431                for worktree in worktree_store.worktrees() {
2432                    store
2433                        .clear_local_settings(worktree.read(cx).id(), cx)
2434                        .log_err();
2435                }
2436            });
2437        });
2438
2439        self.join_project_response_message_id = message_id;
2440        self.set_worktrees_from_proto(message.worktrees, cx)?;
2441        self.set_collaborators_from_proto(message.collaborators, cx)?;
2442
2443        let project = cx.weak_entity();
2444        self.lsp_store.update(cx, |lsp_store, cx| {
2445            lsp_store.set_language_server_statuses_from_proto(
2446                project,
2447                message.language_servers,
2448                message.language_server_capabilities,
2449                cx,
2450            )
2451        });
2452        self.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
2453            .unwrap();
2454        cx.emit(Event::Rejoined);
2455        Ok(())
2456    }
2457
2458    #[inline]
2459    pub fn unshare(&mut self, cx: &mut Context<Self>) -> Result<()> {
2460        self.unshare_internal(cx)?;
2461        cx.emit(Event::RemoteIdChanged(None));
2462        Ok(())
2463    }
2464
2465    fn unshare_internal(&mut self, cx: &mut App) -> Result<()> {
2466        anyhow::ensure!(
2467            !self.is_via_collab(),
2468            "attempted to unshare a remote project"
2469        );
2470
2471        if let ProjectClientState::Shared { remote_id, .. } = self.client_state {
2472            self.client_state = ProjectClientState::Local;
2473            self.collaborators.clear();
2474            self.client_subscriptions.clear();
2475            self.worktree_store.update(cx, |store, cx| {
2476                store.unshared(cx);
2477            });
2478            self.buffer_store.update(cx, |buffer_store, cx| {
2479                buffer_store.forget_shared_buffers();
2480                buffer_store.unshared(cx)
2481            });
2482            self.task_store.update(cx, |task_store, cx| {
2483                task_store.unshared(cx);
2484            });
2485            self.breakpoint_store.update(cx, |breakpoint_store, cx| {
2486                breakpoint_store.unshared(cx);
2487            });
2488            self.dap_store.update(cx, |dap_store, cx| {
2489                dap_store.unshared(cx);
2490            });
2491            self.settings_observer.update(cx, |settings_observer, cx| {
2492                settings_observer.unshared(cx);
2493            });
2494            self.git_store.update(cx, |git_store, cx| {
2495                git_store.unshared(cx);
2496            });
2497
2498            self.collab_client
2499                .send(proto::UnshareProject {
2500                    project_id: remote_id,
2501                })
2502                .ok();
2503            Ok(())
2504        } else {
2505            anyhow::bail!("attempted to unshare an unshared project");
2506        }
2507    }
2508
2509    pub fn disconnected_from_host(&mut self, cx: &mut Context<Self>) {
2510        if self.is_disconnected(cx) {
2511            return;
2512        }
2513        self.disconnected_from_host_internal(cx);
2514        cx.emit(Event::DisconnectedFromHost);
2515    }
2516
2517    pub fn set_role(&mut self, role: proto::ChannelRole, cx: &mut Context<Self>) {
2518        let new_capability =
2519            if role == proto::ChannelRole::Member || role == proto::ChannelRole::Admin {
2520                Capability::ReadWrite
2521            } else {
2522                Capability::ReadOnly
2523            };
2524        if let ProjectClientState::Remote { capability, .. } = &mut self.client_state {
2525            if *capability == new_capability {
2526                return;
2527            }
2528
2529            *capability = new_capability;
2530            for buffer in self.opened_buffers(cx) {
2531                buffer.update(cx, |buffer, cx| buffer.set_capability(new_capability, cx));
2532            }
2533        }
2534    }
2535
2536    fn disconnected_from_host_internal(&mut self, cx: &mut App) {
2537        if let ProjectClientState::Remote {
2538            sharing_has_stopped,
2539            ..
2540        } = &mut self.client_state
2541        {
2542            *sharing_has_stopped = true;
2543            self.collaborators.clear();
2544            self.worktree_store.update(cx, |store, cx| {
2545                store.disconnected_from_host(cx);
2546            });
2547            self.buffer_store.update(cx, |buffer_store, cx| {
2548                buffer_store.disconnected_from_host(cx)
2549            });
2550            self.lsp_store
2551                .update(cx, |lsp_store, _cx| lsp_store.disconnected_from_host());
2552        }
2553    }
2554
2555    #[inline]
2556    pub fn close(&mut self, cx: &mut Context<Self>) {
2557        cx.emit(Event::Closed);
2558    }
2559
2560    #[inline]
2561    pub fn is_disconnected(&self, cx: &App) -> bool {
2562        match &self.client_state {
2563            ProjectClientState::Remote {
2564                sharing_has_stopped,
2565                ..
2566            } => *sharing_has_stopped,
2567            ProjectClientState::Local if self.is_via_remote_server() => {
2568                self.remote_client_is_disconnected(cx)
2569            }
2570            _ => false,
2571        }
2572    }
2573
2574    #[inline]
2575    fn remote_client_is_disconnected(&self, cx: &App) -> bool {
2576        self.remote_client
2577            .as_ref()
2578            .map(|remote| remote.read(cx).is_disconnected())
2579            .unwrap_or(false)
2580    }
2581
2582    #[inline]
2583    pub fn capability(&self) -> Capability {
2584        match &self.client_state {
2585            ProjectClientState::Remote { capability, .. } => *capability,
2586            ProjectClientState::Shared { .. } | ProjectClientState::Local => Capability::ReadWrite,
2587        }
2588    }
2589
2590    #[inline]
2591    pub fn is_read_only(&self, cx: &App) -> bool {
2592        self.is_disconnected(cx) || self.capability() == Capability::ReadOnly
2593    }
2594
2595    #[inline]
2596    pub fn is_local(&self) -> bool {
2597        match &self.client_state {
2598            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2599                self.remote_client.is_none()
2600            }
2601            ProjectClientState::Remote { .. } => false,
2602        }
2603    }
2604
2605    /// Whether this project is a remote server (not counting collab).
2606    #[inline]
2607    pub fn is_via_remote_server(&self) -> bool {
2608        match &self.client_state {
2609            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2610                self.remote_client.is_some()
2611            }
2612            ProjectClientState::Remote { .. } => false,
2613        }
2614    }
2615
2616    /// Whether this project is from collab (not counting remote servers).
2617    #[inline]
2618    pub fn is_via_collab(&self) -> bool {
2619        match &self.client_state {
2620            ProjectClientState::Local | ProjectClientState::Shared { .. } => false,
2621            ProjectClientState::Remote { .. } => true,
2622        }
2623    }
2624
2625    /// `!self.is_local()`
2626    #[inline]
2627    pub fn is_remote(&self) -> bool {
2628        debug_assert_eq!(
2629            !self.is_local(),
2630            self.is_via_collab() || self.is_via_remote_server()
2631        );
2632        !self.is_local()
2633    }
2634
2635    #[inline]
2636    pub fn create_buffer(
2637        &mut self,
2638        searchable: bool,
2639        cx: &mut Context<Self>,
2640    ) -> Task<Result<Entity<Buffer>>> {
2641        self.buffer_store.update(cx, |buffer_store, cx| {
2642            buffer_store.create_buffer(searchable, cx)
2643        })
2644    }
2645
2646    #[inline]
2647    pub fn create_local_buffer(
2648        &mut self,
2649        text: &str,
2650        language: Option<Arc<Language>>,
2651        project_searchable: bool,
2652        cx: &mut Context<Self>,
2653    ) -> Entity<Buffer> {
2654        if self.is_remote() {
2655            panic!("called create_local_buffer on a remote project")
2656        }
2657        self.buffer_store.update(cx, |buffer_store, cx| {
2658            buffer_store.create_local_buffer(text, language, project_searchable, cx)
2659        })
2660    }
2661
2662    pub fn open_path(
2663        &mut self,
2664        path: ProjectPath,
2665        cx: &mut Context<Self>,
2666    ) -> Task<Result<(Option<ProjectEntryId>, Entity<Buffer>)>> {
2667        let task = self.open_buffer(path, cx);
2668        cx.spawn(async move |_project, cx| {
2669            let buffer = task.await?;
2670            let project_entry_id = buffer.read_with(cx, |buffer, _cx| {
2671                File::from_dyn(buffer.file()).and_then(|file| file.project_entry_id())
2672            })?;
2673
2674            Ok((project_entry_id, buffer))
2675        })
2676    }
2677
2678    pub fn open_local_buffer(
2679        &mut self,
2680        abs_path: impl AsRef<Path>,
2681        cx: &mut Context<Self>,
2682    ) -> Task<Result<Entity<Buffer>>> {
2683        let worktree_task = self.find_or_create_worktree(abs_path.as_ref(), false, cx);
2684        cx.spawn(async move |this, cx| {
2685            let (worktree, relative_path) = worktree_task.await?;
2686            this.update(cx, |this, cx| {
2687                this.open_buffer((worktree.read(cx).id(), relative_path), cx)
2688            })?
2689            .await
2690        })
2691    }
2692
2693    #[cfg(any(test, feature = "test-support"))]
2694    pub fn open_local_buffer_with_lsp(
2695        &mut self,
2696        abs_path: impl AsRef<Path>,
2697        cx: &mut Context<Self>,
2698    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
2699        if let Some((worktree, relative_path)) = self.find_worktree(abs_path.as_ref(), cx) {
2700            self.open_buffer_with_lsp((worktree.read(cx).id(), relative_path), cx)
2701        } else {
2702            Task::ready(Err(anyhow!("no such path")))
2703        }
2704    }
2705
2706    pub fn open_buffer(
2707        &mut self,
2708        path: impl Into<ProjectPath>,
2709        cx: &mut App,
2710    ) -> Task<Result<Entity<Buffer>>> {
2711        if self.is_disconnected(cx) {
2712            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2713        }
2714
2715        self.buffer_store.update(cx, |buffer_store, cx| {
2716            buffer_store.open_buffer(path.into(), cx)
2717        })
2718    }
2719
2720    #[cfg(any(test, feature = "test-support"))]
2721    pub fn open_buffer_with_lsp(
2722        &mut self,
2723        path: impl Into<ProjectPath>,
2724        cx: &mut Context<Self>,
2725    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
2726        let buffer = self.open_buffer(path, cx);
2727        cx.spawn(async move |this, cx| {
2728            let buffer = buffer.await?;
2729            let handle = this.update(cx, |project, cx| {
2730                project.register_buffer_with_language_servers(&buffer, cx)
2731            })?;
2732            Ok((buffer, handle))
2733        })
2734    }
2735
2736    pub fn register_buffer_with_language_servers(
2737        &self,
2738        buffer: &Entity<Buffer>,
2739        cx: &mut App,
2740    ) -> OpenLspBufferHandle {
2741        self.lsp_store.update(cx, |lsp_store, cx| {
2742            lsp_store.register_buffer_with_language_servers(buffer, HashSet::default(), false, cx)
2743        })
2744    }
2745
2746    pub fn open_unstaged_diff(
2747        &mut self,
2748        buffer: Entity<Buffer>,
2749        cx: &mut Context<Self>,
2750    ) -> Task<Result<Entity<BufferDiff>>> {
2751        if self.is_disconnected(cx) {
2752            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2753        }
2754        self.git_store
2755            .update(cx, |git_store, cx| git_store.open_unstaged_diff(buffer, cx))
2756    }
2757
2758    pub fn open_uncommitted_diff(
2759        &mut self,
2760        buffer: Entity<Buffer>,
2761        cx: &mut Context<Self>,
2762    ) -> Task<Result<Entity<BufferDiff>>> {
2763        if self.is_disconnected(cx) {
2764            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2765        }
2766        self.git_store.update(cx, |git_store, cx| {
2767            git_store.open_uncommitted_diff(buffer, cx)
2768        })
2769    }
2770
2771    pub fn open_buffer_by_id(
2772        &mut self,
2773        id: BufferId,
2774        cx: &mut Context<Self>,
2775    ) -> Task<Result<Entity<Buffer>>> {
2776        if let Some(buffer) = self.buffer_for_id(id, cx) {
2777            Task::ready(Ok(buffer))
2778        } else if self.is_local() || self.is_via_remote_server() {
2779            Task::ready(Err(anyhow!("buffer {id} does not exist")))
2780        } else if let Some(project_id) = self.remote_id() {
2781            let request = self.collab_client.request(proto::OpenBufferById {
2782                project_id,
2783                id: id.into(),
2784            });
2785            cx.spawn(async move |project, cx| {
2786                let buffer_id = BufferId::new(request.await?.buffer_id)?;
2787                project
2788                    .update(cx, |project, cx| {
2789                        project.buffer_store.update(cx, |buffer_store, cx| {
2790                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
2791                        })
2792                    })?
2793                    .await
2794            })
2795        } else {
2796            Task::ready(Err(anyhow!("cannot open buffer while disconnected")))
2797        }
2798    }
2799
2800    pub fn save_buffers(
2801        &self,
2802        buffers: HashSet<Entity<Buffer>>,
2803        cx: &mut Context<Self>,
2804    ) -> Task<Result<()>> {
2805        cx.spawn(async move |this, cx| {
2806            let save_tasks = buffers.into_iter().filter_map(|buffer| {
2807                this.update(cx, |this, cx| this.save_buffer(buffer, cx))
2808                    .ok()
2809            });
2810            try_join_all(save_tasks).await?;
2811            Ok(())
2812        })
2813    }
2814
2815    pub fn save_buffer(&self, buffer: Entity<Buffer>, cx: &mut Context<Self>) -> Task<Result<()>> {
2816        self.buffer_store
2817            .update(cx, |buffer_store, cx| buffer_store.save_buffer(buffer, cx))
2818    }
2819
2820    pub fn save_buffer_as(
2821        &mut self,
2822        buffer: Entity<Buffer>,
2823        path: ProjectPath,
2824        cx: &mut Context<Self>,
2825    ) -> Task<Result<()>> {
2826        self.buffer_store.update(cx, |buffer_store, cx| {
2827            buffer_store.save_buffer_as(buffer.clone(), path, cx)
2828        })
2829    }
2830
2831    pub fn get_open_buffer(&self, path: &ProjectPath, cx: &App) -> Option<Entity<Buffer>> {
2832        self.buffer_store.read(cx).get_by_path(path)
2833    }
2834
2835    fn register_buffer(&mut self, buffer: &Entity<Buffer>, cx: &mut Context<Self>) -> Result<()> {
2836        {
2837            let mut remotely_created_models = self.remotely_created_models.lock();
2838            if remotely_created_models.retain_count > 0 {
2839                remotely_created_models.buffers.push(buffer.clone())
2840            }
2841        }
2842
2843        self.request_buffer_diff_recalculation(buffer, cx);
2844
2845        cx.subscribe(buffer, |this, buffer, event, cx| {
2846            this.on_buffer_event(buffer, event, cx);
2847        })
2848        .detach();
2849
2850        Ok(())
2851    }
2852
2853    pub fn open_image(
2854        &mut self,
2855        path: impl Into<ProjectPath>,
2856        cx: &mut Context<Self>,
2857    ) -> Task<Result<Entity<ImageItem>>> {
2858        if self.is_disconnected(cx) {
2859            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2860        }
2861
2862        let open_image_task = self.image_store.update(cx, |image_store, cx| {
2863            image_store.open_image(path.into(), cx)
2864        });
2865
2866        let weak_project = cx.entity().downgrade();
2867        cx.spawn(async move |_, cx| {
2868            let image_item = open_image_task.await?;
2869            let project = weak_project.upgrade().context("Project dropped")?;
2870
2871            let metadata = ImageItem::load_image_metadata(image_item.clone(), project, cx).await?;
2872            image_item.update(cx, |image_item, cx| {
2873                image_item.image_metadata = Some(metadata);
2874                cx.emit(ImageItemEvent::MetadataUpdated);
2875            })?;
2876
2877            Ok(image_item)
2878        })
2879    }
2880
2881    async fn send_buffer_ordered_messages(
2882        project: WeakEntity<Self>,
2883        rx: UnboundedReceiver<BufferOrderedMessage>,
2884        cx: &mut AsyncApp,
2885    ) -> Result<()> {
2886        const MAX_BATCH_SIZE: usize = 128;
2887
2888        let mut operations_by_buffer_id = HashMap::default();
2889        async fn flush_operations(
2890            this: &WeakEntity<Project>,
2891            operations_by_buffer_id: &mut HashMap<BufferId, Vec<proto::Operation>>,
2892            needs_resync_with_host: &mut bool,
2893            is_local: bool,
2894            cx: &mut AsyncApp,
2895        ) -> Result<()> {
2896            for (buffer_id, operations) in operations_by_buffer_id.drain() {
2897                let request = this.read_with(cx, |this, _| {
2898                    let project_id = this.remote_id()?;
2899                    Some(this.collab_client.request(proto::UpdateBuffer {
2900                        buffer_id: buffer_id.into(),
2901                        project_id,
2902                        operations,
2903                    }))
2904                })?;
2905                if let Some(request) = request
2906                    && request.await.is_err()
2907                    && !is_local
2908                {
2909                    *needs_resync_with_host = true;
2910                    break;
2911                }
2912            }
2913            Ok(())
2914        }
2915
2916        let mut needs_resync_with_host = false;
2917        let mut changes = rx.ready_chunks(MAX_BATCH_SIZE);
2918
2919        while let Some(changes) = changes.next().await {
2920            let is_local = project.read_with(cx, |this, _| this.is_local())?;
2921
2922            for change in changes {
2923                match change {
2924                    BufferOrderedMessage::Operation {
2925                        buffer_id,
2926                        operation,
2927                    } => {
2928                        if needs_resync_with_host {
2929                            continue;
2930                        }
2931
2932                        operations_by_buffer_id
2933                            .entry(buffer_id)
2934                            .or_insert(Vec::new())
2935                            .push(operation);
2936                    }
2937
2938                    BufferOrderedMessage::Resync => {
2939                        operations_by_buffer_id.clear();
2940                        if project
2941                            .update(cx, |this, cx| this.synchronize_remote_buffers(cx))?
2942                            .await
2943                            .is_ok()
2944                        {
2945                            needs_resync_with_host = false;
2946                        }
2947                    }
2948
2949                    BufferOrderedMessage::LanguageServerUpdate {
2950                        language_server_id,
2951                        message,
2952                        name,
2953                    } => {
2954                        flush_operations(
2955                            &project,
2956                            &mut operations_by_buffer_id,
2957                            &mut needs_resync_with_host,
2958                            is_local,
2959                            cx,
2960                        )
2961                        .await?;
2962
2963                        project.read_with(cx, |project, _| {
2964                            if let Some(project_id) = project.remote_id() {
2965                                project
2966                                    .collab_client
2967                                    .send(proto::UpdateLanguageServer {
2968                                        project_id,
2969                                        server_name: name.map(|name| String::from(name.0)),
2970                                        language_server_id: language_server_id.to_proto(),
2971                                        variant: Some(message),
2972                                    })
2973                                    .log_err();
2974                            }
2975                        })?;
2976                    }
2977                }
2978            }
2979
2980            flush_operations(
2981                &project,
2982                &mut operations_by_buffer_id,
2983                &mut needs_resync_with_host,
2984                is_local,
2985                cx,
2986            )
2987            .await?;
2988        }
2989
2990        Ok(())
2991    }
2992
2993    fn on_buffer_store_event(
2994        &mut self,
2995        _: Entity<BufferStore>,
2996        event: &BufferStoreEvent,
2997        cx: &mut Context<Self>,
2998    ) {
2999        match event {
3000            BufferStoreEvent::BufferAdded(buffer) => {
3001                self.register_buffer(buffer, cx).log_err();
3002            }
3003            BufferStoreEvent::BufferDropped(buffer_id) => {
3004                if let Some(ref remote_client) = self.remote_client {
3005                    remote_client
3006                        .read(cx)
3007                        .proto_client()
3008                        .send(proto::CloseBuffer {
3009                            project_id: 0,
3010                            buffer_id: buffer_id.to_proto(),
3011                        })
3012                        .log_err();
3013                }
3014            }
3015            _ => {}
3016        }
3017    }
3018
3019    fn on_image_store_event(
3020        &mut self,
3021        _: Entity<ImageStore>,
3022        event: &ImageStoreEvent,
3023        cx: &mut Context<Self>,
3024    ) {
3025        match event {
3026            ImageStoreEvent::ImageAdded(image) => {
3027                cx.subscribe(image, |this, image, event, cx| {
3028                    this.on_image_event(image, event, cx);
3029                })
3030                .detach();
3031            }
3032        }
3033    }
3034
3035    fn on_dap_store_event(
3036        &mut self,
3037        _: Entity<DapStore>,
3038        event: &DapStoreEvent,
3039        cx: &mut Context<Self>,
3040    ) {
3041        if let DapStoreEvent::Notification(message) = event {
3042            cx.emit(Event::Toast {
3043                notification_id: "dap".into(),
3044                message: message.clone(),
3045            });
3046        }
3047    }
3048
3049    fn on_lsp_store_event(
3050        &mut self,
3051        _: Entity<LspStore>,
3052        event: &LspStoreEvent,
3053        cx: &mut Context<Self>,
3054    ) {
3055        match event {
3056            LspStoreEvent::DiagnosticsUpdated { server_id, paths } => {
3057                cx.emit(Event::DiagnosticsUpdated {
3058                    paths: paths.clone(),
3059                    language_server_id: *server_id,
3060                })
3061            }
3062            LspStoreEvent::LanguageServerAdded(server_id, name, worktree_id) => cx.emit(
3063                Event::LanguageServerAdded(*server_id, name.clone(), *worktree_id),
3064            ),
3065            LspStoreEvent::LanguageServerRemoved(server_id) => {
3066                cx.emit(Event::LanguageServerRemoved(*server_id))
3067            }
3068            LspStoreEvent::LanguageServerLog(server_id, log_type, string) => cx.emit(
3069                Event::LanguageServerLog(*server_id, log_type.clone(), string.clone()),
3070            ),
3071            LspStoreEvent::LanguageDetected {
3072                buffer,
3073                new_language,
3074            } => {
3075                let Some(_) = new_language else {
3076                    cx.emit(Event::LanguageNotFound(buffer.clone()));
3077                    return;
3078                };
3079            }
3080            LspStoreEvent::RefreshInlayHints {
3081                server_id,
3082                request_id,
3083            } => cx.emit(Event::RefreshInlayHints {
3084                server_id: *server_id,
3085                request_id: *request_id,
3086            }),
3087            LspStoreEvent::RefreshCodeLens => cx.emit(Event::RefreshCodeLens),
3088            LspStoreEvent::LanguageServerPrompt(prompt) => {
3089                cx.emit(Event::LanguageServerPrompt(prompt.clone()))
3090            }
3091            LspStoreEvent::DiskBasedDiagnosticsStarted { language_server_id } => {
3092                cx.emit(Event::DiskBasedDiagnosticsStarted {
3093                    language_server_id: *language_server_id,
3094                });
3095            }
3096            LspStoreEvent::DiskBasedDiagnosticsFinished { language_server_id } => {
3097                cx.emit(Event::DiskBasedDiagnosticsFinished {
3098                    language_server_id: *language_server_id,
3099                });
3100            }
3101            LspStoreEvent::LanguageServerUpdate {
3102                language_server_id,
3103                name,
3104                message,
3105            } => {
3106                if self.is_local() {
3107                    self.enqueue_buffer_ordered_message(
3108                        BufferOrderedMessage::LanguageServerUpdate {
3109                            language_server_id: *language_server_id,
3110                            message: message.clone(),
3111                            name: name.clone(),
3112                        },
3113                    )
3114                    .ok();
3115                }
3116
3117                match message {
3118                    proto::update_language_server::Variant::MetadataUpdated(update) => {
3119                        if let Some(capabilities) = update
3120                            .capabilities
3121                            .as_ref()
3122                            .and_then(|capabilities| serde_json::from_str(capabilities).ok())
3123                        {
3124                            self.lsp_store.update(cx, |lsp_store, _| {
3125                                lsp_store
3126                                    .lsp_server_capabilities
3127                                    .insert(*language_server_id, capabilities);
3128                            });
3129                        }
3130                    }
3131                    proto::update_language_server::Variant::RegisteredForBuffer(update) => {
3132                        if let Some(buffer_id) = BufferId::new(update.buffer_id).ok() {
3133                            cx.emit(Event::LanguageServerBufferRegistered {
3134                                buffer_id,
3135                                server_id: *language_server_id,
3136                                buffer_abs_path: PathBuf::from(&update.buffer_abs_path),
3137                                name: name.clone(),
3138                            });
3139                        }
3140                    }
3141                    _ => (),
3142                }
3143            }
3144            LspStoreEvent::Notification(message) => cx.emit(Event::Toast {
3145                notification_id: "lsp".into(),
3146                message: message.clone(),
3147            }),
3148            LspStoreEvent::SnippetEdit {
3149                buffer_id,
3150                edits,
3151                most_recent_edit,
3152            } => {
3153                if most_recent_edit.replica_id == self.replica_id() {
3154                    cx.emit(Event::SnippetEdit(*buffer_id, edits.clone()))
3155                }
3156            }
3157        }
3158    }
3159
3160    fn on_remote_client_event(
3161        &mut self,
3162        _: Entity<RemoteClient>,
3163        event: &remote::RemoteClientEvent,
3164        cx: &mut Context<Self>,
3165    ) {
3166        match event {
3167            remote::RemoteClientEvent::Disconnected => {
3168                self.worktree_store.update(cx, |store, cx| {
3169                    store.disconnected_from_host(cx);
3170                });
3171                self.buffer_store.update(cx, |buffer_store, cx| {
3172                    buffer_store.disconnected_from_host(cx)
3173                });
3174                self.lsp_store.update(cx, |lsp_store, _cx| {
3175                    lsp_store.disconnected_from_ssh_remote()
3176                });
3177                cx.emit(Event::DisconnectedFromSshRemote);
3178            }
3179        }
3180    }
3181
3182    fn on_settings_observer_event(
3183        &mut self,
3184        _: Entity<SettingsObserver>,
3185        event: &SettingsObserverEvent,
3186        cx: &mut Context<Self>,
3187    ) {
3188        match event {
3189            SettingsObserverEvent::LocalSettingsUpdated(result) => match result {
3190                Err(InvalidSettingsError::LocalSettings { message, path }) => {
3191                    let message = format!("Failed to set local settings in {path:?}:\n{message}");
3192                    cx.emit(Event::Toast {
3193                        notification_id: format!("local-settings-{path:?}").into(),
3194                        message,
3195                    });
3196                }
3197                Ok(path) => cx.emit(Event::HideToast {
3198                    notification_id: format!("local-settings-{path:?}").into(),
3199                }),
3200                Err(_) => {}
3201            },
3202            SettingsObserverEvent::LocalTasksUpdated(result) => match result {
3203                Err(InvalidSettingsError::Tasks { message, path }) => {
3204                    let message = format!("Failed to set local tasks in {path:?}:\n{message}");
3205                    cx.emit(Event::Toast {
3206                        notification_id: format!("local-tasks-{path:?}").into(),
3207                        message,
3208                    });
3209                }
3210                Ok(path) => cx.emit(Event::HideToast {
3211                    notification_id: format!("local-tasks-{path:?}").into(),
3212                }),
3213                Err(_) => {}
3214            },
3215            SettingsObserverEvent::LocalDebugScenariosUpdated(result) => match result {
3216                Err(InvalidSettingsError::Debug { message, path }) => {
3217                    let message =
3218                        format!("Failed to set local debug scenarios in {path:?}:\n{message}");
3219                    cx.emit(Event::Toast {
3220                        notification_id: format!("local-debug-scenarios-{path:?}").into(),
3221                        message,
3222                    });
3223                }
3224                Ok(path) => cx.emit(Event::HideToast {
3225                    notification_id: format!("local-debug-scenarios-{path:?}").into(),
3226                }),
3227                Err(_) => {}
3228            },
3229        }
3230    }
3231
3232    fn on_worktree_store_event(
3233        &mut self,
3234        _: Entity<WorktreeStore>,
3235        event: &WorktreeStoreEvent,
3236        cx: &mut Context<Self>,
3237    ) {
3238        match event {
3239            WorktreeStoreEvent::WorktreeAdded(worktree) => {
3240                self.on_worktree_added(worktree, cx);
3241                cx.emit(Event::WorktreeAdded(worktree.read(cx).id()));
3242            }
3243            WorktreeStoreEvent::WorktreeRemoved(_, id) => {
3244                cx.emit(Event::WorktreeRemoved(*id));
3245            }
3246            WorktreeStoreEvent::WorktreeReleased(_, id) => {
3247                self.on_worktree_released(*id, cx);
3248            }
3249            WorktreeStoreEvent::WorktreeOrderChanged => cx.emit(Event::WorktreeOrderChanged),
3250            WorktreeStoreEvent::WorktreeUpdateSent(_) => {}
3251            WorktreeStoreEvent::WorktreeUpdatedEntries(worktree_id, changes) => {
3252                self.client()
3253                    .telemetry()
3254                    .report_discovered_project_type_events(*worktree_id, changes);
3255                cx.emit(Event::WorktreeUpdatedEntries(*worktree_id, changes.clone()))
3256            }
3257            WorktreeStoreEvent::WorktreeDeletedEntry(worktree_id, id) => {
3258                cx.emit(Event::DeletedEntry(*worktree_id, *id))
3259            }
3260            // Listen to the GitStore instead.
3261            WorktreeStoreEvent::WorktreeUpdatedGitRepositories(_, _) => {}
3262        }
3263    }
3264
3265    fn on_worktree_added(&mut self, worktree: &Entity<Worktree>, _: &mut Context<Self>) {
3266        let mut remotely_created_models = self.remotely_created_models.lock();
3267        if remotely_created_models.retain_count > 0 {
3268            remotely_created_models.worktrees.push(worktree.clone())
3269        }
3270    }
3271
3272    fn on_worktree_released(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
3273        if let Some(remote) = &self.remote_client {
3274            remote
3275                .read(cx)
3276                .proto_client()
3277                .send(proto::RemoveWorktree {
3278                    worktree_id: id_to_remove.to_proto(),
3279                })
3280                .log_err();
3281        }
3282    }
3283
3284    fn on_buffer_event(
3285        &mut self,
3286        buffer: Entity<Buffer>,
3287        event: &BufferEvent,
3288        cx: &mut Context<Self>,
3289    ) -> Option<()> {
3290        if matches!(event, BufferEvent::Edited | BufferEvent::Reloaded) {
3291            self.request_buffer_diff_recalculation(&buffer, cx);
3292        }
3293
3294        let buffer_id = buffer.read(cx).remote_id();
3295        match event {
3296            BufferEvent::ReloadNeeded => {
3297                if !self.is_via_collab() {
3298                    self.reload_buffers([buffer.clone()].into_iter().collect(), true, cx)
3299                        .detach_and_log_err(cx);
3300                }
3301            }
3302            BufferEvent::Operation {
3303                operation,
3304                is_local: true,
3305            } => {
3306                let operation = language::proto::serialize_operation(operation);
3307
3308                if let Some(remote) = &self.remote_client {
3309                    remote
3310                        .read(cx)
3311                        .proto_client()
3312                        .send(proto::UpdateBuffer {
3313                            project_id: 0,
3314                            buffer_id: buffer_id.to_proto(),
3315                            operations: vec![operation.clone()],
3316                        })
3317                        .ok();
3318                }
3319
3320                self.enqueue_buffer_ordered_message(BufferOrderedMessage::Operation {
3321                    buffer_id,
3322                    operation,
3323                })
3324                .ok();
3325            }
3326
3327            _ => {}
3328        }
3329
3330        None
3331    }
3332
3333    fn on_image_event(
3334        &mut self,
3335        image: Entity<ImageItem>,
3336        event: &ImageItemEvent,
3337        cx: &mut Context<Self>,
3338    ) -> Option<()> {
3339        if let ImageItemEvent::ReloadNeeded = event
3340            && !self.is_via_collab()
3341        {
3342            self.reload_images([image].into_iter().collect(), cx)
3343                .detach_and_log_err(cx);
3344        }
3345
3346        None
3347    }
3348
3349    fn request_buffer_diff_recalculation(
3350        &mut self,
3351        buffer: &Entity<Buffer>,
3352        cx: &mut Context<Self>,
3353    ) {
3354        self.buffers_needing_diff.insert(buffer.downgrade());
3355        let first_insertion = self.buffers_needing_diff.len() == 1;
3356        let settings = ProjectSettings::get_global(cx);
3357        let delay = settings.git.gutter_debounce;
3358
3359        if delay == 0 {
3360            if first_insertion {
3361                let this = cx.weak_entity();
3362                cx.defer(move |cx| {
3363                    if let Some(this) = this.upgrade() {
3364                        this.update(cx, |this, cx| {
3365                            this.recalculate_buffer_diffs(cx).detach();
3366                        });
3367                    }
3368                });
3369            }
3370            return;
3371        }
3372
3373        const MIN_DELAY: u64 = 50;
3374        let delay = delay.max(MIN_DELAY);
3375        let duration = Duration::from_millis(delay);
3376
3377        self.git_diff_debouncer
3378            .fire_new(duration, cx, move |this, cx| {
3379                this.recalculate_buffer_diffs(cx)
3380            });
3381    }
3382
3383    fn recalculate_buffer_diffs(&mut self, cx: &mut Context<Self>) -> Task<()> {
3384        cx.spawn(async move |this, cx| {
3385            loop {
3386                let task = this
3387                    .update(cx, |this, cx| {
3388                        let buffers = this
3389                            .buffers_needing_diff
3390                            .drain()
3391                            .filter_map(|buffer| buffer.upgrade())
3392                            .collect::<Vec<_>>();
3393                        if buffers.is_empty() {
3394                            None
3395                        } else {
3396                            Some(this.git_store.update(cx, |git_store, cx| {
3397                                git_store.recalculate_buffer_diffs(buffers, cx)
3398                            }))
3399                        }
3400                    })
3401                    .ok()
3402                    .flatten();
3403
3404                if let Some(task) = task {
3405                    task.await;
3406                } else {
3407                    break;
3408                }
3409            }
3410        })
3411    }
3412
3413    pub fn set_language_for_buffer(
3414        &mut self,
3415        buffer: &Entity<Buffer>,
3416        new_language: Arc<Language>,
3417        cx: &mut Context<Self>,
3418    ) {
3419        self.lsp_store.update(cx, |lsp_store, cx| {
3420            lsp_store.set_language_for_buffer(buffer, new_language, cx)
3421        })
3422    }
3423
3424    pub fn restart_language_servers_for_buffers(
3425        &mut self,
3426        buffers: Vec<Entity<Buffer>>,
3427        only_restart_servers: HashSet<LanguageServerSelector>,
3428        cx: &mut Context<Self>,
3429    ) {
3430        self.lsp_store.update(cx, |lsp_store, cx| {
3431            lsp_store.restart_language_servers_for_buffers(buffers, only_restart_servers, cx)
3432        })
3433    }
3434
3435    pub fn stop_language_servers_for_buffers(
3436        &mut self,
3437        buffers: Vec<Entity<Buffer>>,
3438        also_restart_servers: HashSet<LanguageServerSelector>,
3439        cx: &mut Context<Self>,
3440    ) {
3441        self.lsp_store
3442            .update(cx, |lsp_store, cx| {
3443                lsp_store.stop_language_servers_for_buffers(buffers, also_restart_servers, cx)
3444            })
3445            .detach_and_log_err(cx);
3446    }
3447
3448    pub fn cancel_language_server_work_for_buffers(
3449        &mut self,
3450        buffers: impl IntoIterator<Item = Entity<Buffer>>,
3451        cx: &mut Context<Self>,
3452    ) {
3453        self.lsp_store.update(cx, |lsp_store, cx| {
3454            lsp_store.cancel_language_server_work_for_buffers(buffers, cx)
3455        })
3456    }
3457
3458    pub fn cancel_language_server_work(
3459        &mut self,
3460        server_id: LanguageServerId,
3461        token_to_cancel: Option<String>,
3462        cx: &mut Context<Self>,
3463    ) {
3464        self.lsp_store.update(cx, |lsp_store, cx| {
3465            lsp_store.cancel_language_server_work(server_id, token_to_cancel, cx)
3466        })
3467    }
3468
3469    fn enqueue_buffer_ordered_message(&mut self, message: BufferOrderedMessage) -> Result<()> {
3470        self.buffer_ordered_messages_tx
3471            .unbounded_send(message)
3472            .map_err(|e| anyhow!(e))
3473    }
3474
3475    pub fn available_toolchains(
3476        &self,
3477        path: ProjectPath,
3478        language_name: LanguageName,
3479        cx: &App,
3480    ) -> Task<Option<Toolchains>> {
3481        if let Some(toolchain_store) = self.toolchain_store.as_ref().map(Entity::downgrade) {
3482            cx.spawn(async move |cx| {
3483                toolchain_store
3484                    .update(cx, |this, cx| this.list_toolchains(path, language_name, cx))
3485                    .ok()?
3486                    .await
3487            })
3488        } else {
3489            Task::ready(None)
3490        }
3491    }
3492
3493    pub async fn toolchain_metadata(
3494        languages: Arc<LanguageRegistry>,
3495        language_name: LanguageName,
3496    ) -> Option<ToolchainMetadata> {
3497        languages
3498            .language_for_name(language_name.as_ref())
3499            .await
3500            .ok()?
3501            .toolchain_lister()
3502            .map(|lister| lister.meta())
3503    }
3504
3505    pub fn add_toolchain(
3506        &self,
3507        toolchain: Toolchain,
3508        scope: ToolchainScope,
3509        cx: &mut Context<Self>,
3510    ) {
3511        maybe!({
3512            self.toolchain_store.as_ref()?.update(cx, |this, cx| {
3513                this.add_toolchain(toolchain, scope, cx);
3514            });
3515            Some(())
3516        });
3517    }
3518
3519    pub fn remove_toolchain(
3520        &self,
3521        toolchain: Toolchain,
3522        scope: ToolchainScope,
3523        cx: &mut Context<Self>,
3524    ) {
3525        maybe!({
3526            self.toolchain_store.as_ref()?.update(cx, |this, cx| {
3527                this.remove_toolchain(toolchain, scope, cx);
3528            });
3529            Some(())
3530        });
3531    }
3532
3533    pub fn user_toolchains(
3534        &self,
3535        cx: &App,
3536    ) -> Option<BTreeMap<ToolchainScope, IndexSet<Toolchain>>> {
3537        Some(self.toolchain_store.as_ref()?.read(cx).user_toolchains())
3538    }
3539
3540    pub fn resolve_toolchain(
3541        &self,
3542        path: PathBuf,
3543        language_name: LanguageName,
3544        cx: &App,
3545    ) -> Task<Result<Toolchain>> {
3546        if let Some(toolchain_store) = self.toolchain_store.as_ref().map(Entity::downgrade) {
3547            cx.spawn(async move |cx| {
3548                toolchain_store
3549                    .update(cx, |this, cx| {
3550                        this.resolve_toolchain(path, language_name, cx)
3551                    })?
3552                    .await
3553            })
3554        } else {
3555            Task::ready(Err(anyhow!("This project does not support toolchains")))
3556        }
3557    }
3558
3559    pub fn toolchain_store(&self) -> Option<Entity<ToolchainStore>> {
3560        self.toolchain_store.clone()
3561    }
3562    pub fn activate_toolchain(
3563        &self,
3564        path: ProjectPath,
3565        toolchain: Toolchain,
3566        cx: &mut App,
3567    ) -> Task<Option<()>> {
3568        let Some(toolchain_store) = self.toolchain_store.clone() else {
3569            return Task::ready(None);
3570        };
3571        toolchain_store.update(cx, |this, cx| this.activate_toolchain(path, toolchain, cx))
3572    }
3573    pub fn active_toolchain(
3574        &self,
3575        path: ProjectPath,
3576        language_name: LanguageName,
3577        cx: &App,
3578    ) -> Task<Option<Toolchain>> {
3579        let Some(toolchain_store) = self.toolchain_store.clone() else {
3580            return Task::ready(None);
3581        };
3582        toolchain_store
3583            .read(cx)
3584            .active_toolchain(path, language_name, cx)
3585    }
3586    pub fn language_server_statuses<'a>(
3587        &'a self,
3588        cx: &'a App,
3589    ) -> impl DoubleEndedIterator<Item = (LanguageServerId, &'a LanguageServerStatus)> {
3590        self.lsp_store.read(cx).language_server_statuses()
3591    }
3592
3593    pub fn last_formatting_failure<'a>(&self, cx: &'a App) -> Option<&'a str> {
3594        self.lsp_store.read(cx).last_formatting_failure()
3595    }
3596
3597    pub fn reset_last_formatting_failure(&self, cx: &mut App) {
3598        self.lsp_store
3599            .update(cx, |store, _| store.reset_last_formatting_failure());
3600    }
3601
3602    pub fn reload_buffers(
3603        &self,
3604        buffers: HashSet<Entity<Buffer>>,
3605        push_to_history: bool,
3606        cx: &mut Context<Self>,
3607    ) -> Task<Result<ProjectTransaction>> {
3608        self.buffer_store.update(cx, |buffer_store, cx| {
3609            buffer_store.reload_buffers(buffers, push_to_history, cx)
3610        })
3611    }
3612
3613    pub fn reload_images(
3614        &self,
3615        images: HashSet<Entity<ImageItem>>,
3616        cx: &mut Context<Self>,
3617    ) -> Task<Result<()>> {
3618        self.image_store
3619            .update(cx, |image_store, cx| image_store.reload_images(images, cx))
3620    }
3621
3622    pub fn format(
3623        &mut self,
3624        buffers: HashSet<Entity<Buffer>>,
3625        target: LspFormatTarget,
3626        push_to_history: bool,
3627        trigger: lsp_store::FormatTrigger,
3628        cx: &mut Context<Project>,
3629    ) -> Task<anyhow::Result<ProjectTransaction>> {
3630        self.lsp_store.update(cx, |lsp_store, cx| {
3631            lsp_store.format(buffers, target, push_to_history, trigger, cx)
3632        })
3633    }
3634
3635    pub fn definitions<T: ToPointUtf16>(
3636        &mut self,
3637        buffer: &Entity<Buffer>,
3638        position: T,
3639        cx: &mut Context<Self>,
3640    ) -> Task<Result<Option<Vec<LocationLink>>>> {
3641        let position = position.to_point_utf16(buffer.read(cx));
3642        let guard = self.retain_remotely_created_models(cx);
3643        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3644            lsp_store.definitions(buffer, position, cx)
3645        });
3646        cx.background_spawn(async move {
3647            let result = task.await;
3648            drop(guard);
3649            result
3650        })
3651    }
3652
3653    pub fn declarations<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.declarations(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 type_definitions<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.type_definitions(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 implementations<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.implementations(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 references<T: ToPointUtf16>(
3708        &mut self,
3709        buffer: &Entity<Buffer>,
3710        position: T,
3711        cx: &mut Context<Self>,
3712    ) -> Task<Result<Option<Vec<Location>>>> {
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.references(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 document_highlights<T: ToPointUtf16>(
3726        &mut self,
3727        buffer: &Entity<Buffer>,
3728        position: T,
3729        cx: &mut Context<Self>,
3730    ) -> Task<Result<Vec<DocumentHighlight>>> {
3731        let position = position.to_point_utf16(buffer.read(cx));
3732        self.request_lsp(
3733            buffer.clone(),
3734            LanguageServerToQuery::FirstCapable,
3735            GetDocumentHighlights { position },
3736            cx,
3737        )
3738    }
3739
3740    pub fn document_symbols(
3741        &mut self,
3742        buffer: &Entity<Buffer>,
3743        cx: &mut Context<Self>,
3744    ) -> Task<Result<Vec<DocumentSymbol>>> {
3745        self.request_lsp(
3746            buffer.clone(),
3747            LanguageServerToQuery::FirstCapable,
3748            GetDocumentSymbols,
3749            cx,
3750        )
3751    }
3752
3753    pub fn symbols(&self, query: &str, cx: &mut Context<Self>) -> Task<Result<Vec<Symbol>>> {
3754        self.lsp_store
3755            .update(cx, |lsp_store, cx| lsp_store.symbols(query, cx))
3756    }
3757
3758    pub fn open_buffer_for_symbol(
3759        &mut self,
3760        symbol: &Symbol,
3761        cx: &mut Context<Self>,
3762    ) -> Task<Result<Entity<Buffer>>> {
3763        self.lsp_store.update(cx, |lsp_store, cx| {
3764            lsp_store.open_buffer_for_symbol(symbol, cx)
3765        })
3766    }
3767
3768    pub fn open_server_settings(&mut self, cx: &mut Context<Self>) -> Task<Result<Entity<Buffer>>> {
3769        let guard = self.retain_remotely_created_models(cx);
3770        let Some(remote) = self.remote_client.as_ref() else {
3771            return Task::ready(Err(anyhow!("not an ssh project")));
3772        };
3773
3774        let proto_client = remote.read(cx).proto_client();
3775
3776        cx.spawn(async move |project, cx| {
3777            let buffer = proto_client
3778                .request(proto::OpenServerSettings {
3779                    project_id: REMOTE_SERVER_PROJECT_ID,
3780                })
3781                .await?;
3782
3783            let buffer = project
3784                .update(cx, |project, cx| {
3785                    project.buffer_store.update(cx, |buffer_store, cx| {
3786                        anyhow::Ok(
3787                            buffer_store
3788                                .wait_for_remote_buffer(BufferId::new(buffer.buffer_id)?, cx),
3789                        )
3790                    })
3791                })??
3792                .await;
3793
3794            drop(guard);
3795            buffer
3796        })
3797    }
3798
3799    pub fn open_local_buffer_via_lsp(
3800        &mut self,
3801        abs_path: lsp::Uri,
3802        language_server_id: LanguageServerId,
3803        cx: &mut Context<Self>,
3804    ) -> Task<Result<Entity<Buffer>>> {
3805        self.lsp_store.update(cx, |lsp_store, cx| {
3806            lsp_store.open_local_buffer_via_lsp(abs_path, language_server_id, cx)
3807        })
3808    }
3809
3810    pub fn hover<T: ToPointUtf16>(
3811        &self,
3812        buffer: &Entity<Buffer>,
3813        position: T,
3814        cx: &mut Context<Self>,
3815    ) -> Task<Option<Vec<Hover>>> {
3816        let position = position.to_point_utf16(buffer.read(cx));
3817        self.lsp_store
3818            .update(cx, |lsp_store, cx| lsp_store.hover(buffer, position, cx))
3819    }
3820
3821    pub fn linked_edits(
3822        &self,
3823        buffer: &Entity<Buffer>,
3824        position: Anchor,
3825        cx: &mut Context<Self>,
3826    ) -> Task<Result<Vec<Range<Anchor>>>> {
3827        self.lsp_store.update(cx, |lsp_store, cx| {
3828            lsp_store.linked_edits(buffer, position, cx)
3829        })
3830    }
3831
3832    pub fn completions<T: ToOffset + ToPointUtf16>(
3833        &self,
3834        buffer: &Entity<Buffer>,
3835        position: T,
3836        context: CompletionContext,
3837        cx: &mut Context<Self>,
3838    ) -> Task<Result<Vec<CompletionResponse>>> {
3839        let position = position.to_point_utf16(buffer.read(cx));
3840        self.lsp_store.update(cx, |lsp_store, cx| {
3841            lsp_store.completions(buffer, position, context, cx)
3842        })
3843    }
3844
3845    pub fn code_actions<T: Clone + ToOffset>(
3846        &mut self,
3847        buffer_handle: &Entity<Buffer>,
3848        range: Range<T>,
3849        kinds: Option<Vec<CodeActionKind>>,
3850        cx: &mut Context<Self>,
3851    ) -> Task<Result<Option<Vec<CodeAction>>>> {
3852        let buffer = buffer_handle.read(cx);
3853        let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
3854        self.lsp_store.update(cx, |lsp_store, cx| {
3855            lsp_store.code_actions(buffer_handle, range, kinds, cx)
3856        })
3857    }
3858
3859    pub fn code_lens_actions<T: Clone + ToOffset>(
3860        &mut self,
3861        buffer: &Entity<Buffer>,
3862        range: Range<T>,
3863        cx: &mut Context<Self>,
3864    ) -> Task<Result<Option<Vec<CodeAction>>>> {
3865        let snapshot = buffer.read(cx).snapshot();
3866        let range = range.to_point(&snapshot);
3867        let range_start = snapshot.anchor_before(range.start);
3868        let range_end = if range.start == range.end {
3869            range_start
3870        } else {
3871            snapshot.anchor_after(range.end)
3872        };
3873        let range = range_start..range_end;
3874        let code_lens_actions = self
3875            .lsp_store
3876            .update(cx, |lsp_store, cx| lsp_store.code_lens_actions(buffer, cx));
3877
3878        cx.background_spawn(async move {
3879            let mut code_lens_actions = code_lens_actions
3880                .await
3881                .map_err(|e| anyhow!("code lens fetch failed: {e:#}"))?;
3882            if let Some(code_lens_actions) = &mut code_lens_actions {
3883                code_lens_actions.retain(|code_lens_action| {
3884                    range
3885                        .start
3886                        .cmp(&code_lens_action.range.start, &snapshot)
3887                        .is_ge()
3888                        && range
3889                            .end
3890                            .cmp(&code_lens_action.range.end, &snapshot)
3891                            .is_le()
3892                });
3893            }
3894            Ok(code_lens_actions)
3895        })
3896    }
3897
3898    pub fn apply_code_action(
3899        &self,
3900        buffer_handle: Entity<Buffer>,
3901        action: CodeAction,
3902        push_to_history: bool,
3903        cx: &mut Context<Self>,
3904    ) -> Task<Result<ProjectTransaction>> {
3905        self.lsp_store.update(cx, |lsp_store, cx| {
3906            lsp_store.apply_code_action(buffer_handle, action, push_to_history, cx)
3907        })
3908    }
3909
3910    pub fn apply_code_action_kind(
3911        &self,
3912        buffers: HashSet<Entity<Buffer>>,
3913        kind: CodeActionKind,
3914        push_to_history: bool,
3915        cx: &mut Context<Self>,
3916    ) -> Task<Result<ProjectTransaction>> {
3917        self.lsp_store.update(cx, |lsp_store, cx| {
3918            lsp_store.apply_code_action_kind(buffers, kind, push_to_history, cx)
3919        })
3920    }
3921
3922    pub fn prepare_rename<T: ToPointUtf16>(
3923        &mut self,
3924        buffer: Entity<Buffer>,
3925        position: T,
3926        cx: &mut Context<Self>,
3927    ) -> Task<Result<PrepareRenameResponse>> {
3928        let position = position.to_point_utf16(buffer.read(cx));
3929        self.request_lsp(
3930            buffer,
3931            LanguageServerToQuery::FirstCapable,
3932            PrepareRename { position },
3933            cx,
3934        )
3935    }
3936
3937    pub fn perform_rename<T: ToPointUtf16>(
3938        &mut self,
3939        buffer: Entity<Buffer>,
3940        position: T,
3941        new_name: String,
3942        cx: &mut Context<Self>,
3943    ) -> Task<Result<ProjectTransaction>> {
3944        let push_to_history = true;
3945        let position = position.to_point_utf16(buffer.read(cx));
3946        self.request_lsp(
3947            buffer,
3948            LanguageServerToQuery::FirstCapable,
3949            PerformRename {
3950                position,
3951                new_name,
3952                push_to_history,
3953            },
3954            cx,
3955        )
3956    }
3957
3958    pub fn on_type_format<T: ToPointUtf16>(
3959        &mut self,
3960        buffer: Entity<Buffer>,
3961        position: T,
3962        trigger: String,
3963        push_to_history: bool,
3964        cx: &mut Context<Self>,
3965    ) -> Task<Result<Option<Transaction>>> {
3966        self.lsp_store.update(cx, |lsp_store, cx| {
3967            lsp_store.on_type_format(buffer, position, trigger, push_to_history, cx)
3968        })
3969    }
3970
3971    pub fn inline_values(
3972        &mut self,
3973        session: Entity<Session>,
3974        active_stack_frame: ActiveStackFrame,
3975        buffer_handle: Entity<Buffer>,
3976        range: Range<text::Anchor>,
3977        cx: &mut Context<Self>,
3978    ) -> Task<anyhow::Result<Vec<InlayHint>>> {
3979        let snapshot = buffer_handle.read(cx).snapshot();
3980
3981        let captures = snapshot.debug_variables_query(Anchor::MIN..range.end);
3982
3983        let row = snapshot
3984            .summary_for_anchor::<text::PointUtf16>(&range.end)
3985            .row as usize;
3986
3987        let inline_value_locations = provide_inline_values(captures, &snapshot, row);
3988
3989        let stack_frame_id = active_stack_frame.stack_frame_id;
3990        cx.spawn(async move |this, cx| {
3991            this.update(cx, |project, cx| {
3992                project.dap_store().update(cx, |dap_store, cx| {
3993                    dap_store.resolve_inline_value_locations(
3994                        session,
3995                        stack_frame_id,
3996                        buffer_handle,
3997                        inline_value_locations,
3998                        cx,
3999                    )
4000                })
4001            })?
4002            .await
4003        })
4004    }
4005
4006    pub fn search(&mut self, query: SearchQuery, cx: &mut Context<Self>) -> Receiver<SearchResult> {
4007        let (result_tx, result_rx) = smol::channel::unbounded();
4008
4009        let matching_buffers_rx = if query.is_opened_only() {
4010            self.sort_search_candidates(&query, cx)
4011        } else {
4012            self.find_search_candidate_buffers(&query, MAX_SEARCH_RESULT_FILES + 1, cx)
4013        };
4014
4015        cx.spawn(async move |_, cx| {
4016            let mut range_count = 0;
4017            let mut buffer_count = 0;
4018            let mut limit_reached = false;
4019            let query = Arc::new(query);
4020            let chunks = matching_buffers_rx.ready_chunks(64);
4021
4022            // Now that we know what paths match the query, we will load at most
4023            // 64 buffers at a time to avoid overwhelming the main thread. For each
4024            // opened buffer, we will spawn a background task that retrieves all the
4025            // ranges in the buffer matched by the query.
4026            let mut chunks = pin!(chunks);
4027            'outer: while let Some(matching_buffer_chunk) = chunks.next().await {
4028                let mut chunk_results = Vec::with_capacity(matching_buffer_chunk.len());
4029                for buffer in matching_buffer_chunk {
4030                    let query = query.clone();
4031                    let snapshot = buffer.read_with(cx, |buffer, _| buffer.snapshot())?;
4032                    chunk_results.push(cx.background_spawn(async move {
4033                        let ranges = query
4034                            .search(&snapshot, None)
4035                            .await
4036                            .iter()
4037                            .map(|range| {
4038                                snapshot.anchor_before(range.start)
4039                                    ..snapshot.anchor_after(range.end)
4040                            })
4041                            .collect::<Vec<_>>();
4042                        anyhow::Ok((buffer, ranges))
4043                    }));
4044                }
4045
4046                let chunk_results = futures::future::join_all(chunk_results).await;
4047                for result in chunk_results {
4048                    if let Some((buffer, ranges)) = result.log_err() {
4049                        range_count += ranges.len();
4050                        buffer_count += 1;
4051                        result_tx
4052                            .send(SearchResult::Buffer { buffer, ranges })
4053                            .await?;
4054                        if buffer_count > MAX_SEARCH_RESULT_FILES
4055                            || range_count > MAX_SEARCH_RESULT_RANGES
4056                        {
4057                            limit_reached = true;
4058                            break 'outer;
4059                        }
4060                    }
4061                }
4062            }
4063
4064            if limit_reached {
4065                result_tx.send(SearchResult::LimitReached).await?;
4066            }
4067
4068            anyhow::Ok(())
4069        })
4070        .detach();
4071
4072        result_rx
4073    }
4074
4075    fn find_search_candidate_buffers(
4076        &mut self,
4077        query: &SearchQuery,
4078        limit: usize,
4079        cx: &mut Context<Project>,
4080    ) -> Receiver<Entity<Buffer>> {
4081        if self.is_local() {
4082            let fs = self.fs.clone();
4083            self.buffer_store.update(cx, |buffer_store, cx| {
4084                buffer_store.find_search_candidates(query, limit, fs, cx)
4085            })
4086        } else {
4087            self.find_search_candidates_remote(query, limit, cx)
4088        }
4089    }
4090
4091    fn sort_search_candidates(
4092        &mut self,
4093        search_query: &SearchQuery,
4094        cx: &mut Context<Project>,
4095    ) -> Receiver<Entity<Buffer>> {
4096        let worktree_store = self.worktree_store.read(cx);
4097        let mut buffers = search_query
4098            .buffers()
4099            .into_iter()
4100            .flatten()
4101            .filter(|buffer| {
4102                let b = buffer.read(cx);
4103                if let Some(file) = b.file() {
4104                    if !search_query.match_path(file.path().as_std_path()) {
4105                        return false;
4106                    }
4107                    if let Some(entry) = b
4108                        .entry_id(cx)
4109                        .and_then(|entry_id| worktree_store.entry_for_id(entry_id, cx))
4110                        && entry.is_ignored
4111                        && !search_query.include_ignored()
4112                    {
4113                        return false;
4114                    }
4115                }
4116                true
4117            })
4118            .collect::<Vec<_>>();
4119        let (tx, rx) = smol::channel::unbounded();
4120        buffers.sort_by(|a, b| match (a.read(cx).file(), b.read(cx).file()) {
4121            (None, None) => a.read(cx).remote_id().cmp(&b.read(cx).remote_id()),
4122            (None, Some(_)) => std::cmp::Ordering::Less,
4123            (Some(_), None) => std::cmp::Ordering::Greater,
4124            (Some(a), Some(b)) => compare_paths(
4125                (a.path().as_std_path(), true),
4126                (b.path().as_std_path(), true),
4127            ),
4128        });
4129        for buffer in buffers {
4130            tx.send_blocking(buffer.clone()).unwrap()
4131        }
4132
4133        rx
4134    }
4135
4136    fn find_search_candidates_remote(
4137        &mut self,
4138        query: &SearchQuery,
4139        limit: usize,
4140        cx: &mut Context<Project>,
4141    ) -> Receiver<Entity<Buffer>> {
4142        let (tx, rx) = smol::channel::unbounded();
4143
4144        let (client, remote_id): (AnyProtoClient, _) = if let Some(ssh_client) = &self.remote_client
4145        {
4146            (ssh_client.read(cx).proto_client(), 0)
4147        } else if let Some(remote_id) = self.remote_id() {
4148            (self.collab_client.clone().into(), remote_id)
4149        } else {
4150            return rx;
4151        };
4152
4153        let request = client.request(proto::FindSearchCandidates {
4154            project_id: remote_id,
4155            query: Some(query.to_proto()),
4156            limit: limit as _,
4157        });
4158        let guard = self.retain_remotely_created_models(cx);
4159
4160        cx.spawn(async move |project, cx| {
4161            let response = request.await?;
4162            for buffer_id in response.buffer_ids {
4163                let buffer_id = BufferId::new(buffer_id)?;
4164                let buffer = project
4165                    .update(cx, |project, cx| {
4166                        project.buffer_store.update(cx, |buffer_store, cx| {
4167                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
4168                        })
4169                    })?
4170                    .await?;
4171                let _ = tx.send(buffer).await;
4172            }
4173
4174            drop(guard);
4175            anyhow::Ok(())
4176        })
4177        .detach_and_log_err(cx);
4178        rx
4179    }
4180
4181    pub fn request_lsp<R: LspCommand>(
4182        &mut self,
4183        buffer_handle: Entity<Buffer>,
4184        server: LanguageServerToQuery,
4185        request: R,
4186        cx: &mut Context<Self>,
4187    ) -> Task<Result<R::Response>>
4188    where
4189        <R::LspRequest as lsp::request::Request>::Result: Send,
4190        <R::LspRequest as lsp::request::Request>::Params: Send,
4191    {
4192        let guard = self.retain_remotely_created_models(cx);
4193        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4194            lsp_store.request_lsp(buffer_handle, server, request, cx)
4195        });
4196        cx.background_spawn(async move {
4197            let result = task.await;
4198            drop(guard);
4199            result
4200        })
4201    }
4202
4203    /// Move a worktree to a new position in the worktree order.
4204    ///
4205    /// The worktree will moved to the opposite side of the destination worktree.
4206    ///
4207    /// # Example
4208    ///
4209    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `33`,
4210    /// worktree_order will be updated to produce the indexes `[11, 33, 22]`.
4211    ///
4212    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `11`,
4213    /// worktree_order will be updated to produce the indexes `[22, 11, 33]`.
4214    ///
4215    /// # Errors
4216    ///
4217    /// An error will be returned if the worktree or destination worktree are not found.
4218    pub fn move_worktree(
4219        &mut self,
4220        source: WorktreeId,
4221        destination: WorktreeId,
4222        cx: &mut Context<Self>,
4223    ) -> Result<()> {
4224        self.worktree_store.update(cx, |worktree_store, cx| {
4225            worktree_store.move_worktree(source, destination, cx)
4226        })
4227    }
4228
4229    pub fn find_or_create_worktree(
4230        &mut self,
4231        abs_path: impl AsRef<Path>,
4232        visible: bool,
4233        cx: &mut Context<Self>,
4234    ) -> Task<Result<(Entity<Worktree>, Arc<RelPath>)>> {
4235        self.worktree_store.update(cx, |worktree_store, cx| {
4236            worktree_store.find_or_create_worktree(abs_path, visible, cx)
4237        })
4238    }
4239
4240    pub fn find_worktree(
4241        &self,
4242        abs_path: &Path,
4243        cx: &App,
4244    ) -> Option<(Entity<Worktree>, Arc<RelPath>)> {
4245        self.worktree_store.read(cx).find_worktree(abs_path, cx)
4246    }
4247
4248    pub fn is_shared(&self) -> bool {
4249        match &self.client_state {
4250            ProjectClientState::Shared { .. } => true,
4251            ProjectClientState::Local => false,
4252            ProjectClientState::Remote { .. } => true,
4253        }
4254    }
4255
4256    /// Returns the resolved version of `path`, that was found in `buffer`, if it exists.
4257    pub fn resolve_path_in_buffer(
4258        &self,
4259        path: &str,
4260        buffer: &Entity<Buffer>,
4261        cx: &mut Context<Self>,
4262    ) -> Task<Option<ResolvedPath>> {
4263        if util::paths::is_absolute(path, self.path_style(cx)) || path.starts_with("~") {
4264            self.resolve_abs_path(path, cx)
4265        } else {
4266            self.resolve_path_in_worktrees(path, buffer, cx)
4267        }
4268    }
4269
4270    pub fn resolve_abs_file_path(
4271        &self,
4272        path: &str,
4273        cx: &mut Context<Self>,
4274    ) -> Task<Option<ResolvedPath>> {
4275        let resolve_task = self.resolve_abs_path(path, cx);
4276        cx.background_spawn(async move {
4277            let resolved_path = resolve_task.await;
4278            resolved_path.filter(|path| path.is_file())
4279        })
4280    }
4281
4282    pub fn resolve_abs_path(&self, path: &str, cx: &App) -> Task<Option<ResolvedPath>> {
4283        if self.is_local() {
4284            let expanded = PathBuf::from(shellexpand::tilde(&path).into_owned());
4285            let fs = self.fs.clone();
4286            cx.background_spawn(async move {
4287                let metadata = fs.metadata(&expanded).await.ok().flatten();
4288
4289                metadata.map(|metadata| ResolvedPath::AbsPath {
4290                    path: expanded.to_string_lossy().into_owned(),
4291                    is_dir: metadata.is_dir,
4292                })
4293            })
4294        } else if let Some(ssh_client) = self.remote_client.as_ref() {
4295            let request = ssh_client
4296                .read(cx)
4297                .proto_client()
4298                .request(proto::GetPathMetadata {
4299                    project_id: REMOTE_SERVER_PROJECT_ID,
4300                    path: path.into(),
4301                });
4302            cx.background_spawn(async move {
4303                let response = request.await.log_err()?;
4304                if response.exists {
4305                    Some(ResolvedPath::AbsPath {
4306                        path: response.path,
4307                        is_dir: response.is_dir,
4308                    })
4309                } else {
4310                    None
4311                }
4312            })
4313        } else {
4314            Task::ready(None)
4315        }
4316    }
4317
4318    fn resolve_path_in_worktrees(
4319        &self,
4320        path: &str,
4321        buffer: &Entity<Buffer>,
4322        cx: &mut Context<Self>,
4323    ) -> Task<Option<ResolvedPath>> {
4324        let mut candidates = vec![];
4325        let path_style = self.path_style(cx);
4326        if let Ok(path) = RelPath::new(path.as_ref(), path_style) {
4327            candidates.push(path.into_arc());
4328        }
4329
4330        if let Some(file) = buffer.read(cx).file()
4331            && let Some(dir) = file.path().parent()
4332        {
4333            if let Some(joined) = path_style.join(&*dir.display(path_style), path)
4334                && let Some(joined) = RelPath::new(joined.as_ref(), path_style).ok()
4335            {
4336                candidates.push(joined.into_arc());
4337            }
4338        }
4339
4340        let buffer_worktree_id = buffer.read(cx).file().map(|file| file.worktree_id(cx));
4341        let worktrees_with_ids: Vec<_> = self
4342            .worktrees(cx)
4343            .map(|worktree| {
4344                let id = worktree.read(cx).id();
4345                (worktree, id)
4346            })
4347            .collect();
4348
4349        cx.spawn(async move |_, cx| {
4350            if let Some(buffer_worktree_id) = buffer_worktree_id
4351                && let Some((worktree, _)) = worktrees_with_ids
4352                    .iter()
4353                    .find(|(_, id)| *id == buffer_worktree_id)
4354            {
4355                for candidate in candidates.iter() {
4356                    if let Some(path) = Self::resolve_path_in_worktree(worktree, candidate, cx) {
4357                        return Some(path);
4358                    }
4359                }
4360            }
4361            for (worktree, id) in worktrees_with_ids {
4362                if Some(id) == buffer_worktree_id {
4363                    continue;
4364                }
4365                for candidate in candidates.iter() {
4366                    if let Some(path) = Self::resolve_path_in_worktree(&worktree, candidate, cx) {
4367                        return Some(path);
4368                    }
4369                }
4370            }
4371            None
4372        })
4373    }
4374
4375    fn resolve_path_in_worktree(
4376        worktree: &Entity<Worktree>,
4377        path: &RelPath,
4378        cx: &mut AsyncApp,
4379    ) -> Option<ResolvedPath> {
4380        worktree
4381            .read_with(cx, |worktree, _| {
4382                worktree.entry_for_path(path).map(|entry| {
4383                    let project_path = ProjectPath {
4384                        worktree_id: worktree.id(),
4385                        path: entry.path.clone(),
4386                    };
4387                    ResolvedPath::ProjectPath {
4388                        project_path,
4389                        is_dir: entry.is_dir(),
4390                    }
4391                })
4392            })
4393            .ok()?
4394    }
4395
4396    pub fn list_directory(
4397        &self,
4398        query: String,
4399        cx: &mut Context<Self>,
4400    ) -> Task<Result<Vec<DirectoryItem>>> {
4401        if self.is_local() {
4402            DirectoryLister::Local(cx.entity(), self.fs.clone()).list_directory(query, cx)
4403        } else if let Some(session) = self.remote_client.as_ref() {
4404            let request = proto::ListRemoteDirectory {
4405                dev_server_id: REMOTE_SERVER_PROJECT_ID,
4406                path: query,
4407                config: Some(proto::ListRemoteDirectoryConfig { is_dir: true }),
4408            };
4409
4410            let response = session.read(cx).proto_client().request(request);
4411            cx.background_spawn(async move {
4412                let proto::ListRemoteDirectoryResponse {
4413                    entries,
4414                    entry_info,
4415                } = response.await?;
4416                Ok(entries
4417                    .into_iter()
4418                    .zip(entry_info)
4419                    .map(|(entry, info)| DirectoryItem {
4420                        path: PathBuf::from(entry),
4421                        is_dir: info.is_dir,
4422                    })
4423                    .collect())
4424            })
4425        } else {
4426            Task::ready(Err(anyhow!("cannot list directory in remote project")))
4427        }
4428    }
4429
4430    pub fn create_worktree(
4431        &mut self,
4432        abs_path: impl AsRef<Path>,
4433        visible: bool,
4434        cx: &mut Context<Self>,
4435    ) -> Task<Result<Entity<Worktree>>> {
4436        self.worktree_store.update(cx, |worktree_store, cx| {
4437            worktree_store.create_worktree(abs_path, visible, cx)
4438        })
4439    }
4440
4441    pub fn remove_worktree(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
4442        self.worktree_store.update(cx, |worktree_store, cx| {
4443            worktree_store.remove_worktree(id_to_remove, cx);
4444        });
4445    }
4446
4447    fn add_worktree(&mut self, worktree: &Entity<Worktree>, cx: &mut Context<Self>) {
4448        self.worktree_store.update(cx, |worktree_store, cx| {
4449            worktree_store.add(worktree, cx);
4450        });
4451    }
4452
4453    pub fn set_active_path(&mut self, entry: Option<ProjectPath>, cx: &mut Context<Self>) {
4454        let new_active_entry = entry.and_then(|project_path| {
4455            let worktree = self.worktree_for_id(project_path.worktree_id, cx)?;
4456            let entry = worktree.read(cx).entry_for_path(&project_path.path)?;
4457            Some(entry.id)
4458        });
4459        if new_active_entry != self.active_entry {
4460            self.active_entry = new_active_entry;
4461            self.lsp_store.update(cx, |lsp_store, _| {
4462                lsp_store.set_active_entry(new_active_entry);
4463            });
4464            cx.emit(Event::ActiveEntryChanged(new_active_entry));
4465        }
4466    }
4467
4468    pub fn language_servers_running_disk_based_diagnostics<'a>(
4469        &'a self,
4470        cx: &'a App,
4471    ) -> impl Iterator<Item = LanguageServerId> + 'a {
4472        self.lsp_store
4473            .read(cx)
4474            .language_servers_running_disk_based_diagnostics()
4475    }
4476
4477    pub fn diagnostic_summary(&self, include_ignored: bool, cx: &App) -> DiagnosticSummary {
4478        self.lsp_store
4479            .read(cx)
4480            .diagnostic_summary(include_ignored, cx)
4481    }
4482
4483    /// Returns a summary of the diagnostics for the provided project path only.
4484    pub fn diagnostic_summary_for_path(&self, path: &ProjectPath, cx: &App) -> DiagnosticSummary {
4485        self.lsp_store
4486            .read(cx)
4487            .diagnostic_summary_for_path(path, cx)
4488    }
4489
4490    pub fn diagnostic_summaries<'a>(
4491        &'a self,
4492        include_ignored: bool,
4493        cx: &'a App,
4494    ) -> impl Iterator<Item = (ProjectPath, LanguageServerId, DiagnosticSummary)> + 'a {
4495        self.lsp_store
4496            .read(cx)
4497            .diagnostic_summaries(include_ignored, cx)
4498    }
4499
4500    pub fn active_entry(&self) -> Option<ProjectEntryId> {
4501        self.active_entry
4502    }
4503
4504    pub fn entry_for_path<'a>(&'a self, path: &ProjectPath, cx: &'a App) -> Option<&'a Entry> {
4505        self.worktree_store.read(cx).entry_for_path(path, cx)
4506    }
4507
4508    pub fn path_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<ProjectPath> {
4509        let worktree = self.worktree_for_entry(entry_id, cx)?;
4510        let worktree = worktree.read(cx);
4511        let worktree_id = worktree.id();
4512        let path = worktree.entry_for_id(entry_id)?.path.clone();
4513        Some(ProjectPath { worktree_id, path })
4514    }
4515
4516    pub fn absolute_path(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4517        Some(
4518            self.worktree_for_id(project_path.worktree_id, cx)?
4519                .read(cx)
4520                .absolutize(&project_path.path),
4521        )
4522    }
4523
4524    /// Attempts to find a `ProjectPath` corresponding to the given path. If the path
4525    /// is a *full path*, meaning it starts with the root name of a worktree, we'll locate
4526    /// it in that worktree. Otherwise, we'll attempt to find it as a relative path in
4527    /// the first visible worktree that has an entry for that relative path.
4528    ///
4529    /// We use this to resolve edit steps, when there's a chance an LLM may omit the workree
4530    /// root name from paths.
4531    ///
4532    /// # Arguments
4533    ///
4534    /// * `path` - An absolute path, or a full path that starts with a worktree root name, or a
4535    ///   relative path within a visible worktree.
4536    /// * `cx` - A reference to the `AppContext`.
4537    ///
4538    /// # Returns
4539    ///
4540    /// Returns `Some(ProjectPath)` if a matching worktree is found, otherwise `None`.
4541    pub fn find_project_path(&self, path: impl AsRef<Path>, cx: &App) -> Option<ProjectPath> {
4542        let path_style = self.path_style(cx);
4543        let path = path.as_ref();
4544        let worktree_store = self.worktree_store.read(cx);
4545
4546        if is_absolute(&path.to_string_lossy(), path_style) {
4547            for worktree in worktree_store.visible_worktrees(cx) {
4548                let worktree_abs_path = worktree.read(cx).abs_path();
4549
4550                if let Ok(relative_path) = path.strip_prefix(worktree_abs_path)
4551                    && let Ok(path) = RelPath::new(relative_path, path_style)
4552                {
4553                    return Some(ProjectPath {
4554                        worktree_id: worktree.read(cx).id(),
4555                        path: path.into_arc(),
4556                    });
4557                }
4558            }
4559        } else {
4560            for worktree in worktree_store.visible_worktrees(cx) {
4561                let worktree_root_name = worktree.read(cx).root_name();
4562                if let Ok(relative_path) = path.strip_prefix(worktree_root_name.as_std_path())
4563                    && let Ok(path) = RelPath::new(relative_path, path_style)
4564                {
4565                    return Some(ProjectPath {
4566                        worktree_id: worktree.read(cx).id(),
4567                        path: path.into_arc(),
4568                    });
4569                }
4570            }
4571
4572            for worktree in worktree_store.visible_worktrees(cx) {
4573                let worktree = worktree.read(cx);
4574                if let Ok(path) = RelPath::new(path, path_style)
4575                    && let Some(entry) = worktree.entry_for_path(&path)
4576                {
4577                    return Some(ProjectPath {
4578                        worktree_id: worktree.id(),
4579                        path: entry.path.clone(),
4580                    });
4581                }
4582            }
4583        }
4584
4585        None
4586    }
4587
4588    /// If there's only one visible worktree, returns the given worktree-relative path with no prefix.
4589    ///
4590    /// Otherwise, returns the full path for the project path (obtained by prefixing the worktree-relative path with the name of the worktree).
4591    pub fn short_full_path_for_project_path(
4592        &self,
4593        project_path: &ProjectPath,
4594        cx: &App,
4595    ) -> Option<String> {
4596        let path_style = self.path_style(cx);
4597        if self.visible_worktrees(cx).take(2).count() < 2 {
4598            return Some(project_path.path.display(path_style).to_string());
4599        }
4600        self.worktree_for_id(project_path.worktree_id, cx)
4601            .map(|worktree| {
4602                let worktree_name = worktree.read(cx).root_name();
4603                worktree_name
4604                    .join(&project_path.path)
4605                    .display(path_style)
4606                    .to_string()
4607            })
4608    }
4609
4610    pub fn project_path_for_absolute_path(&self, abs_path: &Path, cx: &App) -> Option<ProjectPath> {
4611        self.find_worktree(abs_path, cx)
4612            .map(|(worktree, relative_path)| ProjectPath {
4613                worktree_id: worktree.read(cx).id(),
4614                path: relative_path,
4615            })
4616    }
4617
4618    pub fn get_workspace_root(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4619        Some(
4620            self.worktree_for_id(project_path.worktree_id, cx)?
4621                .read(cx)
4622                .abs_path()
4623                .to_path_buf(),
4624        )
4625    }
4626
4627    pub fn blame_buffer(
4628        &self,
4629        buffer: &Entity<Buffer>,
4630        version: Option<clock::Global>,
4631        cx: &mut App,
4632    ) -> Task<Result<Option<Blame>>> {
4633        self.git_store.update(cx, |git_store, cx| {
4634            git_store.blame_buffer(buffer, version, cx)
4635        })
4636    }
4637
4638    pub fn get_permalink_to_line(
4639        &self,
4640        buffer: &Entity<Buffer>,
4641        selection: Range<u32>,
4642        cx: &mut App,
4643    ) -> Task<Result<url::Url>> {
4644        self.git_store.update(cx, |git_store, cx| {
4645            git_store.get_permalink_to_line(buffer, selection, cx)
4646        })
4647    }
4648
4649    // RPC message handlers
4650
4651    async fn handle_unshare_project(
4652        this: Entity<Self>,
4653        _: TypedEnvelope<proto::UnshareProject>,
4654        mut cx: AsyncApp,
4655    ) -> Result<()> {
4656        this.update(&mut cx, |this, cx| {
4657            if this.is_local() || this.is_via_remote_server() {
4658                this.unshare(cx)?;
4659            } else {
4660                this.disconnected_from_host(cx);
4661            }
4662            Ok(())
4663        })?
4664    }
4665
4666    async fn handle_add_collaborator(
4667        this: Entity<Self>,
4668        mut envelope: TypedEnvelope<proto::AddProjectCollaborator>,
4669        mut cx: AsyncApp,
4670    ) -> Result<()> {
4671        let collaborator = envelope
4672            .payload
4673            .collaborator
4674            .take()
4675            .context("empty collaborator")?;
4676
4677        let collaborator = Collaborator::from_proto(collaborator)?;
4678        this.update(&mut cx, |this, cx| {
4679            this.buffer_store.update(cx, |buffer_store, _| {
4680                buffer_store.forget_shared_buffers_for(&collaborator.peer_id);
4681            });
4682            this.breakpoint_store.read(cx).broadcast();
4683            cx.emit(Event::CollaboratorJoined(collaborator.peer_id));
4684            this.collaborators
4685                .insert(collaborator.peer_id, collaborator);
4686        })?;
4687
4688        Ok(())
4689    }
4690
4691    async fn handle_update_project_collaborator(
4692        this: Entity<Self>,
4693        envelope: TypedEnvelope<proto::UpdateProjectCollaborator>,
4694        mut cx: AsyncApp,
4695    ) -> Result<()> {
4696        let old_peer_id = envelope
4697            .payload
4698            .old_peer_id
4699            .context("missing old peer id")?;
4700        let new_peer_id = envelope
4701            .payload
4702            .new_peer_id
4703            .context("missing new peer id")?;
4704        this.update(&mut cx, |this, cx| {
4705            let collaborator = this
4706                .collaborators
4707                .remove(&old_peer_id)
4708                .context("received UpdateProjectCollaborator for unknown peer")?;
4709            let is_host = collaborator.is_host;
4710            this.collaborators.insert(new_peer_id, collaborator);
4711
4712            log::info!("peer {} became {}", old_peer_id, new_peer_id,);
4713            this.buffer_store.update(cx, |buffer_store, _| {
4714                buffer_store.update_peer_id(&old_peer_id, new_peer_id)
4715            });
4716
4717            if is_host {
4718                this.buffer_store
4719                    .update(cx, |buffer_store, _| buffer_store.discard_incomplete());
4720                this.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
4721                    .unwrap();
4722                cx.emit(Event::HostReshared);
4723            }
4724
4725            cx.emit(Event::CollaboratorUpdated {
4726                old_peer_id,
4727                new_peer_id,
4728            });
4729            Ok(())
4730        })?
4731    }
4732
4733    async fn handle_remove_collaborator(
4734        this: Entity<Self>,
4735        envelope: TypedEnvelope<proto::RemoveProjectCollaborator>,
4736        mut cx: AsyncApp,
4737    ) -> Result<()> {
4738        this.update(&mut cx, |this, cx| {
4739            let peer_id = envelope.payload.peer_id.context("invalid peer id")?;
4740            let replica_id = this
4741                .collaborators
4742                .remove(&peer_id)
4743                .with_context(|| format!("unknown peer {peer_id:?}"))?
4744                .replica_id;
4745            this.buffer_store.update(cx, |buffer_store, cx| {
4746                buffer_store.forget_shared_buffers_for(&peer_id);
4747                for buffer in buffer_store.buffers() {
4748                    buffer.update(cx, |buffer, cx| buffer.remove_peer(replica_id, cx));
4749                }
4750            });
4751            this.git_store.update(cx, |git_store, _| {
4752                git_store.forget_shared_diffs_for(&peer_id);
4753            });
4754
4755            cx.emit(Event::CollaboratorLeft(peer_id));
4756            Ok(())
4757        })?
4758    }
4759
4760    async fn handle_update_project(
4761        this: Entity<Self>,
4762        envelope: TypedEnvelope<proto::UpdateProject>,
4763        mut cx: AsyncApp,
4764    ) -> Result<()> {
4765        this.update(&mut cx, |this, cx| {
4766            // Don't handle messages that were sent before the response to us joining the project
4767            if envelope.message_id > this.join_project_response_message_id {
4768                this.set_worktrees_from_proto(envelope.payload.worktrees, cx)?;
4769            }
4770            Ok(())
4771        })?
4772    }
4773
4774    async fn handle_toast(
4775        this: Entity<Self>,
4776        envelope: TypedEnvelope<proto::Toast>,
4777        mut cx: AsyncApp,
4778    ) -> Result<()> {
4779        this.update(&mut cx, |_, cx| {
4780            cx.emit(Event::Toast {
4781                notification_id: envelope.payload.notification_id.into(),
4782                message: envelope.payload.message,
4783            });
4784            Ok(())
4785        })?
4786    }
4787
4788    async fn handle_language_server_prompt_request(
4789        this: Entity<Self>,
4790        envelope: TypedEnvelope<proto::LanguageServerPromptRequest>,
4791        mut cx: AsyncApp,
4792    ) -> Result<proto::LanguageServerPromptResponse> {
4793        let (tx, rx) = smol::channel::bounded(1);
4794        let actions: Vec<_> = envelope
4795            .payload
4796            .actions
4797            .into_iter()
4798            .map(|action| MessageActionItem {
4799                title: action,
4800                properties: Default::default(),
4801            })
4802            .collect();
4803        this.update(&mut cx, |_, cx| {
4804            cx.emit(Event::LanguageServerPrompt(LanguageServerPromptRequest {
4805                level: proto_to_prompt(envelope.payload.level.context("Invalid prompt level")?),
4806                message: envelope.payload.message,
4807                actions: actions.clone(),
4808                lsp_name: envelope.payload.lsp_name,
4809                response_channel: tx,
4810            }));
4811
4812            anyhow::Ok(())
4813        })??;
4814
4815        // We drop `this` to avoid holding a reference in this future for too
4816        // long.
4817        // If we keep the reference, we might not drop the `Project` early
4818        // enough when closing a window and it will only get releases on the
4819        // next `flush_effects()` call.
4820        drop(this);
4821
4822        let mut rx = pin!(rx);
4823        let answer = rx.next().await;
4824
4825        Ok(LanguageServerPromptResponse {
4826            action_response: answer.and_then(|answer| {
4827                actions
4828                    .iter()
4829                    .position(|action| *action == answer)
4830                    .map(|index| index as u64)
4831            }),
4832        })
4833    }
4834
4835    async fn handle_hide_toast(
4836        this: Entity<Self>,
4837        envelope: TypedEnvelope<proto::HideToast>,
4838        mut cx: AsyncApp,
4839    ) -> Result<()> {
4840        this.update(&mut cx, |_, cx| {
4841            cx.emit(Event::HideToast {
4842                notification_id: envelope.payload.notification_id.into(),
4843            });
4844            Ok(())
4845        })?
4846    }
4847
4848    // Collab sends UpdateWorktree protos as messages
4849    async fn handle_update_worktree(
4850        this: Entity<Self>,
4851        envelope: TypedEnvelope<proto::UpdateWorktree>,
4852        mut cx: AsyncApp,
4853    ) -> Result<()> {
4854        this.update(&mut cx, |this, cx| {
4855            let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
4856            if let Some(worktree) = this.worktree_for_id(worktree_id, cx) {
4857                worktree.update(cx, |worktree, _| {
4858                    let worktree = worktree.as_remote_mut().unwrap();
4859                    worktree.update_from_remote(envelope.payload);
4860                });
4861            }
4862            Ok(())
4863        })?
4864    }
4865
4866    async fn handle_update_buffer_from_remote_server(
4867        this: Entity<Self>,
4868        envelope: TypedEnvelope<proto::UpdateBuffer>,
4869        cx: AsyncApp,
4870    ) -> Result<proto::Ack> {
4871        let buffer_store = this.read_with(&cx, |this, cx| {
4872            if let Some(remote_id) = this.remote_id() {
4873                let mut payload = envelope.payload.clone();
4874                payload.project_id = remote_id;
4875                cx.background_spawn(this.collab_client.request(payload))
4876                    .detach_and_log_err(cx);
4877            }
4878            this.buffer_store.clone()
4879        })?;
4880        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
4881    }
4882
4883    async fn handle_update_buffer(
4884        this: Entity<Self>,
4885        envelope: TypedEnvelope<proto::UpdateBuffer>,
4886        cx: AsyncApp,
4887    ) -> Result<proto::Ack> {
4888        let buffer_store = this.read_with(&cx, |this, cx| {
4889            if let Some(ssh) = &this.remote_client {
4890                let mut payload = envelope.payload.clone();
4891                payload.project_id = REMOTE_SERVER_PROJECT_ID;
4892                cx.background_spawn(ssh.read(cx).proto_client().request(payload))
4893                    .detach_and_log_err(cx);
4894            }
4895            this.buffer_store.clone()
4896        })?;
4897        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
4898    }
4899
4900    fn retain_remotely_created_models(
4901        &mut self,
4902        cx: &mut Context<Self>,
4903    ) -> RemotelyCreatedModelGuard {
4904        {
4905            let mut remotely_create_models = self.remotely_created_models.lock();
4906            if remotely_create_models.retain_count == 0 {
4907                remotely_create_models.buffers = self.buffer_store.read(cx).buffers().collect();
4908                remotely_create_models.worktrees =
4909                    self.worktree_store.read(cx).worktrees().collect();
4910            }
4911            remotely_create_models.retain_count += 1;
4912        }
4913        RemotelyCreatedModelGuard {
4914            remote_models: Arc::downgrade(&self.remotely_created_models),
4915        }
4916    }
4917
4918    async fn handle_create_buffer_for_peer(
4919        this: Entity<Self>,
4920        envelope: TypedEnvelope<proto::CreateBufferForPeer>,
4921        mut cx: AsyncApp,
4922    ) -> Result<()> {
4923        this.update(&mut cx, |this, cx| {
4924            this.buffer_store.update(cx, |buffer_store, cx| {
4925                buffer_store.handle_create_buffer_for_peer(
4926                    envelope,
4927                    this.replica_id(),
4928                    this.capability(),
4929                    cx,
4930                )
4931            })
4932        })?
4933    }
4934
4935    async fn handle_toggle_lsp_logs(
4936        project: Entity<Self>,
4937        envelope: TypedEnvelope<proto::ToggleLspLogs>,
4938        mut cx: AsyncApp,
4939    ) -> Result<()> {
4940        let toggled_log_kind =
4941            match proto::toggle_lsp_logs::LogType::from_i32(envelope.payload.log_type)
4942                .context("invalid log type")?
4943            {
4944                proto::toggle_lsp_logs::LogType::Log => LogKind::Logs,
4945                proto::toggle_lsp_logs::LogType::Trace => LogKind::Trace,
4946                proto::toggle_lsp_logs::LogType::Rpc => LogKind::Rpc,
4947            };
4948        project.update(&mut cx, |_, cx| {
4949            cx.emit(Event::ToggleLspLogs {
4950                server_id: LanguageServerId::from_proto(envelope.payload.server_id),
4951                enabled: envelope.payload.enabled,
4952                toggled_log_kind,
4953            })
4954        })?;
4955        Ok(())
4956    }
4957
4958    async fn handle_synchronize_buffers(
4959        this: Entity<Self>,
4960        envelope: TypedEnvelope<proto::SynchronizeBuffers>,
4961        mut cx: AsyncApp,
4962    ) -> Result<proto::SynchronizeBuffersResponse> {
4963        let response = this.update(&mut cx, |this, cx| {
4964            let client = this.collab_client.clone();
4965            this.buffer_store.update(cx, |this, cx| {
4966                this.handle_synchronize_buffers(envelope, cx, client)
4967            })
4968        })??;
4969
4970        Ok(response)
4971    }
4972
4973    async fn handle_search_candidate_buffers(
4974        this: Entity<Self>,
4975        envelope: TypedEnvelope<proto::FindSearchCandidates>,
4976        mut cx: AsyncApp,
4977    ) -> Result<proto::FindSearchCandidatesResponse> {
4978        let peer_id = envelope.original_sender_id()?;
4979        let message = envelope.payload;
4980        let path_style = this.read_with(&cx, |this, cx| this.path_style(cx))?;
4981        let query =
4982            SearchQuery::from_proto(message.query.context("missing query field")?, path_style)?;
4983        let results = this.update(&mut cx, |this, cx| {
4984            this.find_search_candidate_buffers(&query, message.limit as _, cx)
4985        })?;
4986
4987        let mut response = proto::FindSearchCandidatesResponse {
4988            buffer_ids: Vec::new(),
4989        };
4990
4991        while let Ok(buffer) = results.recv().await {
4992            this.update(&mut cx, |this, cx| {
4993                let buffer_id = this.create_buffer_for_peer(&buffer, peer_id, cx);
4994                response.buffer_ids.push(buffer_id.to_proto());
4995            })?;
4996        }
4997
4998        Ok(response)
4999    }
5000
5001    async fn handle_open_buffer_by_id(
5002        this: Entity<Self>,
5003        envelope: TypedEnvelope<proto::OpenBufferById>,
5004        mut cx: AsyncApp,
5005    ) -> Result<proto::OpenBufferResponse> {
5006        let peer_id = envelope.original_sender_id()?;
5007        let buffer_id = BufferId::new(envelope.payload.id)?;
5008        let buffer = this
5009            .update(&mut cx, |this, cx| this.open_buffer_by_id(buffer_id, cx))?
5010            .await?;
5011        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
5012    }
5013
5014    async fn handle_open_buffer_by_path(
5015        this: Entity<Self>,
5016        envelope: TypedEnvelope<proto::OpenBufferByPath>,
5017        mut cx: AsyncApp,
5018    ) -> Result<proto::OpenBufferResponse> {
5019        let peer_id = envelope.original_sender_id()?;
5020        let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
5021        let path = RelPath::from_proto(&envelope.payload.path)?;
5022        let open_buffer = this
5023            .update(&mut cx, |this, cx| {
5024                this.open_buffer(ProjectPath { worktree_id, path }, cx)
5025            })?
5026            .await?;
5027        Project::respond_to_open_buffer_request(this, open_buffer, peer_id, &mut cx)
5028    }
5029
5030    async fn handle_open_new_buffer(
5031        this: Entity<Self>,
5032        envelope: TypedEnvelope<proto::OpenNewBuffer>,
5033        mut cx: AsyncApp,
5034    ) -> Result<proto::OpenBufferResponse> {
5035        let buffer = this
5036            .update(&mut cx, |this, cx| this.create_buffer(true, cx))?
5037            .await?;
5038        let peer_id = envelope.original_sender_id()?;
5039
5040        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
5041    }
5042
5043    fn respond_to_open_buffer_request(
5044        this: Entity<Self>,
5045        buffer: Entity<Buffer>,
5046        peer_id: proto::PeerId,
5047        cx: &mut AsyncApp,
5048    ) -> Result<proto::OpenBufferResponse> {
5049        this.update(cx, |this, cx| {
5050            let is_private = buffer
5051                .read(cx)
5052                .file()
5053                .map(|f| f.is_private())
5054                .unwrap_or_default();
5055            anyhow::ensure!(!is_private, ErrorCode::UnsharedItem);
5056            Ok(proto::OpenBufferResponse {
5057                buffer_id: this.create_buffer_for_peer(&buffer, peer_id, cx).into(),
5058            })
5059        })?
5060    }
5061
5062    fn create_buffer_for_peer(
5063        &mut self,
5064        buffer: &Entity<Buffer>,
5065        peer_id: proto::PeerId,
5066        cx: &mut App,
5067    ) -> BufferId {
5068        self.buffer_store
5069            .update(cx, |buffer_store, cx| {
5070                buffer_store.create_buffer_for_peer(buffer, peer_id, cx)
5071            })
5072            .detach_and_log_err(cx);
5073        buffer.read(cx).remote_id()
5074    }
5075
5076    fn synchronize_remote_buffers(&mut self, cx: &mut Context<Self>) -> Task<Result<()>> {
5077        let project_id = match self.client_state {
5078            ProjectClientState::Remote {
5079                sharing_has_stopped,
5080                remote_id,
5081                ..
5082            } => {
5083                if sharing_has_stopped {
5084                    return Task::ready(Err(anyhow!(
5085                        "can't synchronize remote buffers on a readonly project"
5086                    )));
5087                } else {
5088                    remote_id
5089                }
5090            }
5091            ProjectClientState::Shared { .. } | ProjectClientState::Local => {
5092                return Task::ready(Err(anyhow!(
5093                    "can't synchronize remote buffers on a local project"
5094                )));
5095            }
5096        };
5097
5098        let client = self.collab_client.clone();
5099        cx.spawn(async move |this, cx| {
5100            let (buffers, incomplete_buffer_ids) = this.update(cx, |this, cx| {
5101                this.buffer_store.read(cx).buffer_version_info(cx)
5102            })?;
5103            let response = client
5104                .request(proto::SynchronizeBuffers {
5105                    project_id,
5106                    buffers,
5107                })
5108                .await?;
5109
5110            let send_updates_for_buffers = this.update(cx, |this, cx| {
5111                response
5112                    .buffers
5113                    .into_iter()
5114                    .map(|buffer| {
5115                        let client = client.clone();
5116                        let buffer_id = match BufferId::new(buffer.id) {
5117                            Ok(id) => id,
5118                            Err(e) => {
5119                                return Task::ready(Err(e));
5120                            }
5121                        };
5122                        let remote_version = language::proto::deserialize_version(&buffer.version);
5123                        if let Some(buffer) = this.buffer_for_id(buffer_id, cx) {
5124                            let operations =
5125                                buffer.read(cx).serialize_ops(Some(remote_version), cx);
5126                            cx.background_spawn(async move {
5127                                let operations = operations.await;
5128                                for chunk in split_operations(operations) {
5129                                    client
5130                                        .request(proto::UpdateBuffer {
5131                                            project_id,
5132                                            buffer_id: buffer_id.into(),
5133                                            operations: chunk,
5134                                        })
5135                                        .await?;
5136                                }
5137                                anyhow::Ok(())
5138                            })
5139                        } else {
5140                            Task::ready(Ok(()))
5141                        }
5142                    })
5143                    .collect::<Vec<_>>()
5144            })?;
5145
5146            // Any incomplete buffers have open requests waiting. Request that the host sends
5147            // creates these buffers for us again to unblock any waiting futures.
5148            for id in incomplete_buffer_ids {
5149                cx.background_spawn(client.request(proto::OpenBufferById {
5150                    project_id,
5151                    id: id.into(),
5152                }))
5153                .detach();
5154            }
5155
5156            futures::future::join_all(send_updates_for_buffers)
5157                .await
5158                .into_iter()
5159                .collect()
5160        })
5161    }
5162
5163    pub fn worktree_metadata_protos(&self, cx: &App) -> Vec<proto::WorktreeMetadata> {
5164        self.worktree_store.read(cx).worktree_metadata_protos(cx)
5165    }
5166
5167    /// Iterator of all open buffers that have unsaved changes
5168    pub fn dirty_buffers<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = ProjectPath> + 'a {
5169        self.buffer_store.read(cx).buffers().filter_map(|buf| {
5170            let buf = buf.read(cx);
5171            if buf.is_dirty() {
5172                buf.project_path(cx)
5173            } else {
5174                None
5175            }
5176        })
5177    }
5178
5179    fn set_worktrees_from_proto(
5180        &mut self,
5181        worktrees: Vec<proto::WorktreeMetadata>,
5182        cx: &mut Context<Project>,
5183    ) -> Result<()> {
5184        self.worktree_store.update(cx, |worktree_store, cx| {
5185            worktree_store.set_worktrees_from_proto(worktrees, self.replica_id(), cx)
5186        })
5187    }
5188
5189    fn set_collaborators_from_proto(
5190        &mut self,
5191        messages: Vec<proto::Collaborator>,
5192        cx: &mut Context<Self>,
5193    ) -> Result<()> {
5194        let mut collaborators = HashMap::default();
5195        for message in messages {
5196            let collaborator = Collaborator::from_proto(message)?;
5197            collaborators.insert(collaborator.peer_id, collaborator);
5198        }
5199        for old_peer_id in self.collaborators.keys() {
5200            if !collaborators.contains_key(old_peer_id) {
5201                cx.emit(Event::CollaboratorLeft(*old_peer_id));
5202            }
5203        }
5204        self.collaborators = collaborators;
5205        Ok(())
5206    }
5207
5208    pub fn supplementary_language_servers<'a>(
5209        &'a self,
5210        cx: &'a App,
5211    ) -> impl 'a + Iterator<Item = (LanguageServerId, LanguageServerName)> {
5212        self.lsp_store.read(cx).supplementary_language_servers()
5213    }
5214
5215    pub fn any_language_server_supports_inlay_hints(&self, buffer: &Buffer, cx: &mut App) -> bool {
5216        let Some(language) = buffer.language().cloned() else {
5217            return false;
5218        };
5219        self.lsp_store.update(cx, |lsp_store, _| {
5220            let relevant_language_servers = lsp_store
5221                .languages
5222                .lsp_adapters(&language.name())
5223                .into_iter()
5224                .map(|lsp_adapter| lsp_adapter.name())
5225                .collect::<HashSet<_>>();
5226            lsp_store
5227                .language_server_statuses()
5228                .filter_map(|(server_id, server_status)| {
5229                    relevant_language_servers
5230                        .contains(&server_status.name)
5231                        .then_some(server_id)
5232                })
5233                .filter_map(|server_id| lsp_store.lsp_server_capabilities.get(&server_id))
5234                .any(InlayHints::check_capabilities)
5235        })
5236    }
5237
5238    pub fn language_server_id_for_name(
5239        &self,
5240        buffer: &Buffer,
5241        name: &LanguageServerName,
5242        cx: &App,
5243    ) -> Option<LanguageServerId> {
5244        let language = buffer.language()?;
5245        let relevant_language_servers = self
5246            .languages
5247            .lsp_adapters(&language.name())
5248            .into_iter()
5249            .map(|lsp_adapter| lsp_adapter.name())
5250            .collect::<HashSet<_>>();
5251        if !relevant_language_servers.contains(name) {
5252            return None;
5253        }
5254        self.language_server_statuses(cx)
5255            .filter(|(_, server_status)| relevant_language_servers.contains(&server_status.name))
5256            .find_map(|(server_id, server_status)| {
5257                if &server_status.name == name {
5258                    Some(server_id)
5259                } else {
5260                    None
5261                }
5262            })
5263    }
5264
5265    #[cfg(any(test, feature = "test-support"))]
5266    pub fn has_language_servers_for(&self, buffer: &Buffer, cx: &mut App) -> bool {
5267        self.lsp_store.update(cx, |this, cx| {
5268            this.language_servers_for_local_buffer(buffer, cx)
5269                .next()
5270                .is_some()
5271        })
5272    }
5273
5274    pub fn git_init(
5275        &self,
5276        path: Arc<Path>,
5277        fallback_branch_name: String,
5278        cx: &App,
5279    ) -> Task<Result<()>> {
5280        self.git_store
5281            .read(cx)
5282            .git_init(path, fallback_branch_name, cx)
5283    }
5284
5285    pub fn buffer_store(&self) -> &Entity<BufferStore> {
5286        &self.buffer_store
5287    }
5288
5289    pub fn git_store(&self) -> &Entity<GitStore> {
5290        &self.git_store
5291    }
5292
5293    pub fn agent_server_store(&self) -> &Entity<AgentServerStore> {
5294        &self.agent_server_store
5295    }
5296
5297    #[cfg(test)]
5298    fn git_scans_complete(&self, cx: &Context<Self>) -> Task<()> {
5299        cx.spawn(async move |this, cx| {
5300            let scans_complete = this
5301                .read_with(cx, |this, cx| {
5302                    this.worktrees(cx)
5303                        .filter_map(|worktree| Some(worktree.read(cx).as_local()?.scan_complete()))
5304                        .collect::<Vec<_>>()
5305                })
5306                .unwrap();
5307            join_all(scans_complete).await;
5308            let barriers = this
5309                .update(cx, |this, cx| {
5310                    let repos = this.repositories(cx).values().cloned().collect::<Vec<_>>();
5311                    repos
5312                        .into_iter()
5313                        .map(|repo| repo.update(cx, |repo, _| repo.barrier()))
5314                        .collect::<Vec<_>>()
5315                })
5316                .unwrap();
5317            join_all(barriers).await;
5318        })
5319    }
5320
5321    pub fn active_repository(&self, cx: &App) -> Option<Entity<Repository>> {
5322        self.git_store.read(cx).active_repository()
5323    }
5324
5325    pub fn repositories<'a>(&self, cx: &'a App) -> &'a HashMap<RepositoryId, Entity<Repository>> {
5326        self.git_store.read(cx).repositories()
5327    }
5328
5329    pub fn status_for_buffer_id(&self, buffer_id: BufferId, cx: &App) -> Option<FileStatus> {
5330        self.git_store.read(cx).status_for_buffer_id(buffer_id, cx)
5331    }
5332
5333    pub fn set_agent_location(
5334        &mut self,
5335        new_location: Option<AgentLocation>,
5336        cx: &mut Context<Self>,
5337    ) {
5338        if let Some(old_location) = self.agent_location.as_ref() {
5339            old_location
5340                .buffer
5341                .update(cx, |buffer, cx| buffer.remove_agent_selections(cx))
5342                .ok();
5343        }
5344
5345        if let Some(location) = new_location.as_ref() {
5346            location
5347                .buffer
5348                .update(cx, |buffer, cx| {
5349                    buffer.set_agent_selections(
5350                        Arc::from([language::Selection {
5351                            id: 0,
5352                            start: location.position,
5353                            end: location.position,
5354                            reversed: false,
5355                            goal: language::SelectionGoal::None,
5356                        }]),
5357                        false,
5358                        CursorShape::Hollow,
5359                        cx,
5360                    )
5361                })
5362                .ok();
5363        }
5364
5365        self.agent_location = new_location;
5366        cx.emit(Event::AgentLocationChanged);
5367    }
5368
5369    pub fn agent_location(&self) -> Option<AgentLocation> {
5370        self.agent_location.clone()
5371    }
5372
5373    pub fn path_style(&self, cx: &App) -> PathStyle {
5374        self.worktree_store.read(cx).path_style()
5375    }
5376
5377    pub fn contains_local_settings_file(
5378        &self,
5379        worktree_id: WorktreeId,
5380        rel_path: &RelPath,
5381        cx: &App,
5382    ) -> bool {
5383        self.worktree_for_id(worktree_id, cx)
5384            .map_or(false, |worktree| {
5385                worktree.read(cx).entry_for_path(rel_path).is_some()
5386            })
5387    }
5388
5389    pub fn update_local_settings_file(
5390        &self,
5391        worktree_id: WorktreeId,
5392        rel_path: Arc<RelPath>,
5393        cx: &mut App,
5394        update: impl 'static + Send + FnOnce(&mut settings::SettingsContent, &App),
5395    ) {
5396        let Some(worktree) = self.worktree_for_id(worktree_id, cx) else {
5397            // todo(settings_ui) error?
5398            return;
5399        };
5400        cx.spawn(async move |cx| {
5401            let file = worktree
5402                .update(cx, |worktree, cx| worktree.load_file(&rel_path, cx))?
5403                .await
5404                .context("Failed to load settings file")?;
5405
5406            let new_text = cx.read_global::<SettingsStore, _>(|store, cx| {
5407                store.new_text_for_update(file.text, move |settings| update(settings, cx))
5408            })?;
5409            worktree
5410                .update(cx, |worktree, cx| {
5411                    let line_ending = text::LineEnding::detect(&new_text);
5412                    worktree.write_file(rel_path.clone(), new_text.into(), line_ending, cx)
5413                })?
5414                .await
5415                .context("Failed to write settings file")?;
5416
5417            anyhow::Ok(())
5418        })
5419        .detach_and_log_err(cx);
5420    }
5421}
5422
5423pub struct PathMatchCandidateSet {
5424    pub snapshot: Snapshot,
5425    pub include_ignored: bool,
5426    pub include_root_name: bool,
5427    pub candidates: Candidates,
5428}
5429
5430pub enum Candidates {
5431    /// Only consider directories.
5432    Directories,
5433    /// Only consider files.
5434    Files,
5435    /// Consider directories and files.
5436    Entries,
5437}
5438
5439impl<'a> fuzzy::PathMatchCandidateSet<'a> for PathMatchCandidateSet {
5440    type Candidates = PathMatchCandidateSetIter<'a>;
5441
5442    fn id(&self) -> usize {
5443        self.snapshot.id().to_usize()
5444    }
5445
5446    fn len(&self) -> usize {
5447        match self.candidates {
5448            Candidates::Files => {
5449                if self.include_ignored {
5450                    self.snapshot.file_count()
5451                } else {
5452                    self.snapshot.visible_file_count()
5453                }
5454            }
5455
5456            Candidates::Directories => {
5457                if self.include_ignored {
5458                    self.snapshot.dir_count()
5459                } else {
5460                    self.snapshot.visible_dir_count()
5461                }
5462            }
5463
5464            Candidates::Entries => {
5465                if self.include_ignored {
5466                    self.snapshot.entry_count()
5467                } else {
5468                    self.snapshot.visible_entry_count()
5469                }
5470            }
5471        }
5472    }
5473
5474    fn prefix(&self) -> Arc<RelPath> {
5475        if self.snapshot.root_entry().is_some_and(|e| e.is_file()) || self.include_root_name {
5476            self.snapshot.root_name().into()
5477        } else {
5478            RelPath::empty().into()
5479        }
5480    }
5481
5482    fn root_is_file(&self) -> bool {
5483        self.snapshot.root_entry().is_some_and(|f| f.is_file())
5484    }
5485
5486    fn path_style(&self) -> PathStyle {
5487        self.snapshot.path_style()
5488    }
5489
5490    fn candidates(&'a self, start: usize) -> Self::Candidates {
5491        PathMatchCandidateSetIter {
5492            traversal: match self.candidates {
5493                Candidates::Directories => self.snapshot.directories(self.include_ignored, start),
5494                Candidates::Files => self.snapshot.files(self.include_ignored, start),
5495                Candidates::Entries => self.snapshot.entries(self.include_ignored, start),
5496            },
5497        }
5498    }
5499}
5500
5501pub struct PathMatchCandidateSetIter<'a> {
5502    traversal: Traversal<'a>,
5503}
5504
5505impl<'a> Iterator for PathMatchCandidateSetIter<'a> {
5506    type Item = fuzzy::PathMatchCandidate<'a>;
5507
5508    fn next(&mut self) -> Option<Self::Item> {
5509        self.traversal
5510            .next()
5511            .map(|entry| fuzzy::PathMatchCandidate {
5512                is_dir: entry.kind.is_dir(),
5513                path: &entry.path,
5514                char_bag: entry.char_bag,
5515            })
5516    }
5517}
5518
5519impl EventEmitter<Event> for Project {}
5520
5521impl<'a> From<&'a ProjectPath> for SettingsLocation<'a> {
5522    fn from(val: &'a ProjectPath) -> Self {
5523        SettingsLocation {
5524            worktree_id: val.worktree_id,
5525            path: val.path.as_ref(),
5526        }
5527    }
5528}
5529
5530impl<P: Into<Arc<RelPath>>> From<(WorktreeId, P)> for ProjectPath {
5531    fn from((worktree_id, path): (WorktreeId, P)) -> Self {
5532        Self {
5533            worktree_id,
5534            path: path.into(),
5535        }
5536    }
5537}
5538
5539/// ResolvedPath is a path that has been resolved to either a ProjectPath
5540/// or an AbsPath and that *exists*.
5541#[derive(Debug, Clone)]
5542pub enum ResolvedPath {
5543    ProjectPath {
5544        project_path: ProjectPath,
5545        is_dir: bool,
5546    },
5547    AbsPath {
5548        path: String,
5549        is_dir: bool,
5550    },
5551}
5552
5553impl ResolvedPath {
5554    pub fn abs_path(&self) -> Option<&str> {
5555        match self {
5556            Self::AbsPath { path, .. } => Some(path),
5557            _ => None,
5558        }
5559    }
5560
5561    pub fn into_abs_path(self) -> Option<String> {
5562        match self {
5563            Self::AbsPath { path, .. } => Some(path),
5564            _ => None,
5565        }
5566    }
5567
5568    pub fn project_path(&self) -> Option<&ProjectPath> {
5569        match self {
5570            Self::ProjectPath { project_path, .. } => Some(project_path),
5571            _ => None,
5572        }
5573    }
5574
5575    pub fn is_file(&self) -> bool {
5576        !self.is_dir()
5577    }
5578
5579    pub fn is_dir(&self) -> bool {
5580        match self {
5581            Self::ProjectPath { is_dir, .. } => *is_dir,
5582            Self::AbsPath { is_dir, .. } => *is_dir,
5583        }
5584    }
5585}
5586
5587impl ProjectItem for Buffer {
5588    fn try_open(
5589        project: &Entity<Project>,
5590        path: &ProjectPath,
5591        cx: &mut App,
5592    ) -> Option<Task<Result<Entity<Self>>>> {
5593        Some(project.update(cx, |project, cx| project.open_buffer(path.clone(), cx)))
5594    }
5595
5596    fn entry_id(&self, _cx: &App) -> Option<ProjectEntryId> {
5597        File::from_dyn(self.file()).and_then(|file| file.project_entry_id())
5598    }
5599
5600    fn project_path(&self, cx: &App) -> Option<ProjectPath> {
5601        self.file().map(|file| ProjectPath {
5602            worktree_id: file.worktree_id(cx),
5603            path: file.path().clone(),
5604        })
5605    }
5606
5607    fn is_dirty(&self) -> bool {
5608        self.is_dirty()
5609    }
5610}
5611
5612impl Completion {
5613    pub fn kind(&self) -> Option<CompletionItemKind> {
5614        self.source
5615            // `lsp::CompletionListItemDefaults` has no `kind` field
5616            .lsp_completion(false)
5617            .and_then(|lsp_completion| lsp_completion.kind)
5618    }
5619
5620    pub fn label(&self) -> Option<String> {
5621        self.source
5622            .lsp_completion(false)
5623            .map(|lsp_completion| lsp_completion.label.clone())
5624    }
5625
5626    /// A key that can be used to sort completions when displaying
5627    /// them to the user.
5628    pub fn sort_key(&self) -> (usize, &str) {
5629        const DEFAULT_KIND_KEY: usize = 4;
5630        let kind_key = self
5631            .kind()
5632            .and_then(|lsp_completion_kind| match lsp_completion_kind {
5633                lsp::CompletionItemKind::KEYWORD => Some(0),
5634                lsp::CompletionItemKind::VARIABLE => Some(1),
5635                lsp::CompletionItemKind::CONSTANT => Some(2),
5636                lsp::CompletionItemKind::PROPERTY => Some(3),
5637                _ => None,
5638            })
5639            .unwrap_or(DEFAULT_KIND_KEY);
5640        (kind_key, self.label.filter_text())
5641    }
5642
5643    /// Whether this completion is a snippet.
5644    pub fn is_snippet(&self) -> bool {
5645        self.source
5646            // `lsp::CompletionListItemDefaults` has `insert_text_format` field
5647            .lsp_completion(true)
5648            .is_some_and(|lsp_completion| {
5649                lsp_completion.insert_text_format == Some(lsp::InsertTextFormat::SNIPPET)
5650            })
5651    }
5652
5653    /// Returns the corresponding color for this completion.
5654    ///
5655    /// Will return `None` if this completion's kind is not [`CompletionItemKind::COLOR`].
5656    pub fn color(&self) -> Option<Hsla> {
5657        // `lsp::CompletionListItemDefaults` has no `kind` field
5658        let lsp_completion = self.source.lsp_completion(false)?;
5659        if lsp_completion.kind? == CompletionItemKind::COLOR {
5660            return color_extractor::extract_color(&lsp_completion);
5661        }
5662        None
5663    }
5664}
5665
5666fn proto_to_prompt(level: proto::language_server_prompt_request::Level) -> gpui::PromptLevel {
5667    match level {
5668        proto::language_server_prompt_request::Level::Info(_) => gpui::PromptLevel::Info,
5669        proto::language_server_prompt_request::Level::Warning(_) => gpui::PromptLevel::Warning,
5670        proto::language_server_prompt_request::Level::Critical(_) => gpui::PromptLevel::Critical,
5671    }
5672}
5673
5674fn provide_inline_values(
5675    captures: impl Iterator<Item = (Range<usize>, language::DebuggerTextObject)>,
5676    snapshot: &language::BufferSnapshot,
5677    max_row: usize,
5678) -> Vec<InlineValueLocation> {
5679    let mut variables = Vec::new();
5680    let mut variable_position = HashSet::default();
5681    let mut scopes = Vec::new();
5682
5683    let active_debug_line_offset = snapshot.point_to_offset(Point::new(max_row as u32, 0));
5684
5685    for (capture_range, capture_kind) in captures {
5686        match capture_kind {
5687            language::DebuggerTextObject::Variable => {
5688                let variable_name = snapshot
5689                    .text_for_range(capture_range.clone())
5690                    .collect::<String>();
5691                let point = snapshot.offset_to_point(capture_range.end);
5692
5693                while scopes
5694                    .last()
5695                    .is_some_and(|scope: &Range<_>| !scope.contains(&capture_range.start))
5696                {
5697                    scopes.pop();
5698                }
5699
5700                if point.row as usize > max_row {
5701                    break;
5702                }
5703
5704                let scope = if scopes
5705                    .last()
5706                    .is_none_or(|scope| !scope.contains(&active_debug_line_offset))
5707                {
5708                    VariableScope::Global
5709                } else {
5710                    VariableScope::Local
5711                };
5712
5713                if variable_position.insert(capture_range.end) {
5714                    variables.push(InlineValueLocation {
5715                        variable_name,
5716                        scope,
5717                        lookup: VariableLookupKind::Variable,
5718                        row: point.row as usize,
5719                        column: point.column as usize,
5720                    });
5721                }
5722            }
5723            language::DebuggerTextObject::Scope => {
5724                while scopes.last().map_or_else(
5725                    || false,
5726                    |scope: &Range<usize>| {
5727                        !(scope.contains(&capture_range.start)
5728                            && scope.contains(&capture_range.end))
5729                    },
5730                ) {
5731                    scopes.pop();
5732                }
5733                scopes.push(capture_range);
5734            }
5735        }
5736    }
5737
5738    variables
5739}
5740
5741#[cfg(test)]
5742mod disable_ai_settings_tests {
5743    use super::*;
5744    use gpui::TestAppContext;
5745    use settings::Settings;
5746
5747    #[gpui::test]
5748    async fn test_disable_ai_settings_security(cx: &mut TestAppContext) {
5749        cx.update(|cx| {
5750            settings::init(cx);
5751            Project::init_settings(cx);
5752
5753            // Test 1: Default is false (AI enabled)
5754            assert!(
5755                !DisableAiSettings::get_global(cx).disable_ai,
5756                "Default should allow AI"
5757            );
5758        });
5759
5760        let disable_true = serde_json::json!({
5761            "disable_ai": true
5762        })
5763        .to_string();
5764        let disable_false = serde_json::json!({
5765            "disable_ai": false
5766        })
5767        .to_string();
5768
5769        cx.update_global::<SettingsStore, _>(|store, cx| {
5770            store.set_user_settings(&disable_false, cx).unwrap();
5771            store.set_global_settings(&disable_true, cx).unwrap();
5772        });
5773        cx.update(|cx| {
5774            assert!(
5775                DisableAiSettings::get_global(cx).disable_ai,
5776                "Local false cannot override global true"
5777            );
5778        });
5779
5780        cx.update_global::<SettingsStore, _>(|store, cx| {
5781            store.set_global_settings(&disable_false, cx).unwrap();
5782            store.set_user_settings(&disable_true, cx).unwrap();
5783        });
5784
5785        cx.update(|cx| {
5786            assert!(
5787                DisableAiSettings::get_global(cx).disable_ai,
5788                "Local false cannot override global true"
5789            );
5790        });
5791    }
5792}