project.rs

   1pub mod buffer_store;
   2mod color_extractor;
   3pub mod connection_manager;
   4pub mod context_server_store;
   5pub mod debounced_delay;
   6pub mod debugger;
   7pub mod git_store;
   8pub mod image_store;
   9pub mod lsp_command;
  10pub mod lsp_store;
  11mod manifest_tree;
  12pub mod prettier_store;
  13pub mod project_settings;
  14pub mod search;
  15mod task_inventory;
  16pub mod task_store;
  17pub mod terminals;
  18pub mod toolchain_store;
  19pub mod worktree_store;
  20
  21#[cfg(test)]
  22mod project_tests;
  23
  24mod direnv;
  25mod environment;
  26use buffer_diff::BufferDiff;
  27use context_server_store::ContextServerStore;
  28pub use environment::{EnvironmentErrorMessage, ProjectEnvironmentEvent};
  29use git::repository::get_git_committer;
  30use git_store::{Repository, RepositoryId};
  31use schemars::JsonSchema;
  32pub mod search_history;
  33mod yarn;
  34
  35use dap::inline_value::{InlineValueLocation, VariableLookupKind, VariableScope};
  36
  37use crate::{git_store::GitStore, lsp_store::log_store::LogKind};
  38pub use git_store::{
  39    ConflictRegion, ConflictSet, ConflictSetSnapshot, ConflictSetUpdate,
  40    git_traversal::{ChildEntriesGitIter, GitEntry, GitEntryRef, GitTraversal},
  41};
  42pub use manifest_tree::ManifestTree;
  43
  44use anyhow::{Context as _, Result, anyhow};
  45use buffer_store::{BufferStore, BufferStoreEvent};
  46use client::{Client, Collaborator, PendingEntitySubscription, TypedEnvelope, UserStore, proto};
  47use clock::ReplicaId;
  48
  49use dap::client::DebugAdapterClient;
  50
  51use collections::{BTreeSet, HashMap, HashSet, IndexSet};
  52use debounced_delay::DebouncedDelay;
  53pub use debugger::breakpoint_store::BreakpointWithPosition;
  54use debugger::{
  55    breakpoint_store::{ActiveStackFrame, BreakpointStore},
  56    dap_store::{DapStore, DapStoreEvent},
  57    session::Session,
  58};
  59pub use environment::ProjectEnvironment;
  60#[cfg(test)]
  61use futures::future::join_all;
  62use futures::{
  63    StreamExt,
  64    channel::mpsc::{self, UnboundedReceiver},
  65    future::{Shared, try_join_all},
  66};
  67pub use image_store::{ImageItem, ImageStore};
  68use image_store::{ImageItemEvent, ImageStoreEvent};
  69
  70use ::git::{blame::Blame, status::FileStatus};
  71use gpui::{
  72    App, AppContext, AsyncApp, BorrowAppContext, Context, Entity, EventEmitter, Hsla, SharedString,
  73    Task, WeakEntity, Window,
  74};
  75use language::{
  76    Buffer, BufferEvent, Capability, CodeLabel, CursorShape, Language, LanguageName,
  77    LanguageRegistry, PointUtf16, ToOffset, ToPointUtf16, Toolchain, ToolchainMetadata,
  78    ToolchainScope, Transaction, Unclipped, language_settings::InlayHintKind,
  79    proto::split_operations,
  80};
  81use lsp::{
  82    CodeActionKind, CompletionContext, CompletionItemKind, DocumentHighlightKind, InsertTextMode,
  83    LanguageServerId, LanguageServerName, LanguageServerSelector, MessageActionItem,
  84};
  85use lsp_command::*;
  86use lsp_store::{CompletionDocumentation, LspFormatTarget, OpenLspBufferHandle};
  87pub use manifest_tree::ManifestProvidersStore;
  88use node_runtime::NodeRuntime;
  89use parking_lot::Mutex;
  90pub use prettier_store::PrettierStore;
  91use project_settings::{ProjectSettings, SettingsObserver, SettingsObserverEvent};
  92use remote::{RemoteClient, RemoteConnectionOptions};
  93use rpc::{
  94    AnyProtoClient, ErrorCode,
  95    proto::{FromProto, LanguageServerPromptResponse, REMOTE_SERVER_PROJECT_ID, ToProto},
  96};
  97use search::{SearchInputKind, SearchQuery, SearchResult};
  98use search_history::SearchHistory;
  99use settings::{
 100    InvalidSettingsError, Settings, SettingsKey, SettingsLocation, SettingsSources, SettingsStore,
 101    SettingsUi,
 102};
 103use smol::channel::Receiver;
 104use snippet::Snippet;
 105use snippet_provider::SnippetProvider;
 106use std::{
 107    borrow::Cow,
 108    collections::BTreeMap,
 109    ops::Range,
 110    path::{Component, Path, PathBuf},
 111    pin::pin,
 112    str,
 113    sync::Arc,
 114    time::Duration,
 115};
 116
 117use task_store::TaskStore;
 118use terminals::Terminals;
 119use text::{Anchor, BufferId, OffsetRangeExt, Point, Rope};
 120use toolchain_store::EmptyToolchainStore;
 121use util::{
 122    ResultExt as _, maybe,
 123    paths::{PathStyle, RemotePathBuf, SanitizedPath, compare_paths},
 124};
 125use worktree::{CreatedEntry, Snapshot, Traversal};
 126pub use worktree::{
 127    Entry, EntryKind, FS_WATCH_LATENCY, File, LocalWorktree, PathChange, ProjectEntryId,
 128    UpdatedEntriesSet, UpdatedGitRepositoriesSet, Worktree, WorktreeId, WorktreeSettings,
 129};
 130use worktree_store::{WorktreeStore, WorktreeStoreEvent};
 131
 132pub use fs::*;
 133pub use language::Location;
 134#[cfg(any(test, feature = "test-support"))]
 135pub use prettier::FORMAT_SUFFIX as TEST_PRETTIER_FORMAT_SUFFIX;
 136pub use task_inventory::{
 137    BasicContextProvider, ContextProviderWithTasks, DebugScenarioContext, Inventory, TaskContexts,
 138    TaskSourceKind,
 139};
 140
 141pub use buffer_store::ProjectTransaction;
 142pub use lsp_store::{
 143    DiagnosticSummary, LanguageServerLogType, LanguageServerProgress, LanguageServerPromptRequest,
 144    LanguageServerStatus, LanguageServerToQuery, LspStore, LspStoreEvent,
 145    SERVER_PROGRESS_THROTTLE_TIMEOUT,
 146};
 147pub use toolchain_store::{ToolchainStore, Toolchains};
 148const MAX_PROJECT_SEARCH_HISTORY_SIZE: usize = 500;
 149const MAX_SEARCH_RESULT_FILES: usize = 5_000;
 150const MAX_SEARCH_RESULT_RANGES: usize = 10_000;
 151
 152pub trait ProjectItem: 'static {
 153    fn try_open(
 154        project: &Entity<Project>,
 155        path: &ProjectPath,
 156        cx: &mut App,
 157    ) -> Option<Task<Result<Entity<Self>>>>
 158    where
 159        Self: Sized;
 160    fn entry_id(&self, cx: &App) -> Option<ProjectEntryId>;
 161    fn project_path(&self, cx: &App) -> Option<ProjectPath>;
 162    fn is_dirty(&self) -> bool;
 163}
 164
 165#[derive(Clone)]
 166pub enum OpenedBufferEvent {
 167    Disconnected,
 168    Ok(BufferId),
 169    Err(BufferId, Arc<anyhow::Error>),
 170}
 171
 172/// Semantics-aware entity that is relevant to one or more [`Worktree`] with the files.
 173/// `Project` is responsible for tasks, LSP and collab queries, synchronizing worktree states accordingly.
 174/// Maps [`Worktree`] entries with its own logic using [`ProjectEntryId`] and [`ProjectPath`] structs.
 175///
 176/// Can be either local (for the project opened on the same host) or remote.(for collab projects, browsed by multiple remote users).
 177pub struct Project {
 178    active_entry: Option<ProjectEntryId>,
 179    buffer_ordered_messages_tx: mpsc::UnboundedSender<BufferOrderedMessage>,
 180    languages: Arc<LanguageRegistry>,
 181    dap_store: Entity<DapStore>,
 182
 183    breakpoint_store: Entity<BreakpointStore>,
 184    collab_client: Arc<client::Client>,
 185    join_project_response_message_id: u32,
 186    task_store: Entity<TaskStore>,
 187    user_store: Entity<UserStore>,
 188    fs: Arc<dyn Fs>,
 189    remote_client: Option<Entity<RemoteClient>>,
 190    client_state: ProjectClientState,
 191    git_store: Entity<GitStore>,
 192    collaborators: HashMap<proto::PeerId, Collaborator>,
 193    client_subscriptions: Vec<client::Subscription>,
 194    worktree_store: Entity<WorktreeStore>,
 195    buffer_store: Entity<BufferStore>,
 196    context_server_store: Entity<ContextServerStore>,
 197    image_store: Entity<ImageStore>,
 198    lsp_store: Entity<LspStore>,
 199    _subscriptions: Vec<gpui::Subscription>,
 200    buffers_needing_diff: HashSet<WeakEntity<Buffer>>,
 201    git_diff_debouncer: DebouncedDelay<Self>,
 202    remotely_created_models: Arc<Mutex<RemotelyCreatedModels>>,
 203    terminals: Terminals,
 204    node: Option<NodeRuntime>,
 205    search_history: SearchHistory,
 206    search_included_history: SearchHistory,
 207    search_excluded_history: SearchHistory,
 208    snippets: Entity<SnippetProvider>,
 209    environment: Entity<ProjectEnvironment>,
 210    settings_observer: Entity<SettingsObserver>,
 211    toolchain_store: Option<Entity<ToolchainStore>>,
 212    agent_location: Option<AgentLocation>,
 213}
 214
 215#[derive(Clone, Debug, PartialEq, Eq)]
 216pub struct AgentLocation {
 217    pub buffer: WeakEntity<Buffer>,
 218    pub position: Anchor,
 219}
 220
 221#[derive(Default)]
 222struct RemotelyCreatedModels {
 223    worktrees: Vec<Entity<Worktree>>,
 224    buffers: Vec<Entity<Buffer>>,
 225    retain_count: usize,
 226}
 227
 228struct RemotelyCreatedModelGuard {
 229    remote_models: std::sync::Weak<Mutex<RemotelyCreatedModels>>,
 230}
 231
 232impl Drop for RemotelyCreatedModelGuard {
 233    fn drop(&mut self) {
 234        if let Some(remote_models) = self.remote_models.upgrade() {
 235            let mut remote_models = remote_models.lock();
 236            assert!(
 237                remote_models.retain_count > 0,
 238                "RemotelyCreatedModelGuard dropped too many times"
 239            );
 240            remote_models.retain_count -= 1;
 241            if remote_models.retain_count == 0 {
 242                remote_models.buffers.clear();
 243                remote_models.worktrees.clear();
 244            }
 245        }
 246    }
 247}
 248/// Message ordered with respect to buffer operations
 249#[derive(Debug)]
 250enum BufferOrderedMessage {
 251    Operation {
 252        buffer_id: BufferId,
 253        operation: proto::Operation,
 254    },
 255    LanguageServerUpdate {
 256        language_server_id: LanguageServerId,
 257        message: proto::update_language_server::Variant,
 258        name: Option<LanguageServerName>,
 259    },
 260    Resync,
 261}
 262
 263#[derive(Debug)]
 264enum ProjectClientState {
 265    /// Single-player mode.
 266    Local,
 267    /// Multi-player mode but still a local project.
 268    Shared { remote_id: u64 },
 269    /// Multi-player mode but working on a remote project.
 270    Remote {
 271        sharing_has_stopped: bool,
 272        capability: Capability,
 273        remote_id: u64,
 274        replica_id: ReplicaId,
 275    },
 276}
 277
 278#[derive(Clone, Debug, PartialEq)]
 279pub enum Event {
 280    LanguageServerAdded(LanguageServerId, LanguageServerName, Option<WorktreeId>),
 281    LanguageServerRemoved(LanguageServerId),
 282    LanguageServerLog(LanguageServerId, LanguageServerLogType, String),
 283    // [`lsp::notification::DidOpenTextDocument`] was sent to this server using the buffer data.
 284    // Zed's buffer-related data is updated accordingly.
 285    LanguageServerBufferRegistered {
 286        server_id: LanguageServerId,
 287        buffer_id: BufferId,
 288        buffer_abs_path: PathBuf,
 289        name: Option<LanguageServerName>,
 290    },
 291    ToggleLspLogs {
 292        server_id: LanguageServerId,
 293        enabled: bool,
 294        toggled_log_kind: LogKind,
 295    },
 296    Toast {
 297        notification_id: SharedString,
 298        message: String,
 299    },
 300    HideToast {
 301        notification_id: SharedString,
 302    },
 303    LanguageServerPrompt(LanguageServerPromptRequest),
 304    LanguageNotFound(Entity<Buffer>),
 305    ActiveEntryChanged(Option<ProjectEntryId>),
 306    ActivateProjectPanel,
 307    WorktreeAdded(WorktreeId),
 308    WorktreeOrderChanged,
 309    WorktreeRemoved(WorktreeId),
 310    WorktreeUpdatedEntries(WorktreeId, UpdatedEntriesSet),
 311    DiskBasedDiagnosticsStarted {
 312        language_server_id: LanguageServerId,
 313    },
 314    DiskBasedDiagnosticsFinished {
 315        language_server_id: LanguageServerId,
 316    },
 317    DiagnosticsUpdated {
 318        paths: Vec<ProjectPath>,
 319        language_server_id: LanguageServerId,
 320    },
 321    RemoteIdChanged(Option<u64>),
 322    DisconnectedFromHost,
 323    DisconnectedFromSshRemote,
 324    Closed,
 325    DeletedEntry(WorktreeId, ProjectEntryId),
 326    CollaboratorUpdated {
 327        old_peer_id: proto::PeerId,
 328        new_peer_id: proto::PeerId,
 329    },
 330    CollaboratorJoined(proto::PeerId),
 331    CollaboratorLeft(proto::PeerId),
 332    HostReshared,
 333    Reshared,
 334    Rejoined,
 335    RefreshInlayHints,
 336    RefreshCodeLens,
 337    RevealInProjectPanel(ProjectEntryId),
 338    SnippetEdit(BufferId, Vec<(lsp::Range, Snippet)>),
 339    ExpandedAllForEntry(WorktreeId, ProjectEntryId),
 340    EntryRenamed(ProjectTransaction),
 341    AgentLocationChanged,
 342}
 343
 344pub struct AgentLocationChanged;
 345
 346pub enum DebugAdapterClientState {
 347    Starting(Task<Option<Arc<DebugAdapterClient>>>),
 348    Running(Arc<DebugAdapterClient>),
 349}
 350
 351#[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord)]
 352pub struct ProjectPath {
 353    pub worktree_id: WorktreeId,
 354    pub path: Arc<Path>,
 355}
 356
 357impl ProjectPath {
 358    pub fn from_file(value: &dyn language::File, cx: &App) -> Self {
 359        ProjectPath {
 360            worktree_id: value.worktree_id(cx),
 361            path: value.path().clone(),
 362        }
 363    }
 364
 365    pub fn from_proto(p: proto::ProjectPath) -> Self {
 366        Self {
 367            worktree_id: WorktreeId::from_proto(p.worktree_id),
 368            path: Arc::<Path>::from_proto(p.path),
 369        }
 370    }
 371
 372    pub fn to_proto(&self) -> proto::ProjectPath {
 373        proto::ProjectPath {
 374            worktree_id: self.worktree_id.to_proto(),
 375            path: self.path.as_ref().to_proto(),
 376        }
 377    }
 378
 379    pub fn root_path(worktree_id: WorktreeId) -> Self {
 380        Self {
 381            worktree_id,
 382            path: Path::new("").into(),
 383        }
 384    }
 385
 386    pub fn starts_with(&self, other: &ProjectPath) -> bool {
 387        self.worktree_id == other.worktree_id && self.path.starts_with(&other.path)
 388    }
 389}
 390
 391#[derive(Debug, Default)]
 392pub enum PrepareRenameResponse {
 393    Success(Range<Anchor>),
 394    OnlyUnpreparedRenameSupported,
 395    #[default]
 396    InvalidPosition,
 397}
 398
 399#[derive(Debug, Clone, PartialEq, Eq)]
 400pub struct InlayHint {
 401    pub position: language::Anchor,
 402    pub label: InlayHintLabel,
 403    pub kind: Option<InlayHintKind>,
 404    pub padding_left: bool,
 405    pub padding_right: bool,
 406    pub tooltip: Option<InlayHintTooltip>,
 407    pub resolve_state: ResolveState,
 408}
 409
 410/// The user's intent behind a given completion confirmation
 411#[derive(PartialEq, Eq, Hash, Debug, Clone, Copy)]
 412pub enum CompletionIntent {
 413    /// The user intends to 'commit' this result, if possible
 414    /// completion confirmations should run side effects.
 415    ///
 416    /// For LSP completions, will respect the setting `completions.lsp_insert_mode`.
 417    Complete,
 418    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `insert`.
 419    CompleteWithInsert,
 420    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `replace`.
 421    CompleteWithReplace,
 422    /// The user intends to continue 'composing' this completion
 423    /// completion confirmations should not run side effects and
 424    /// let the user continue composing their action
 425    Compose,
 426}
 427
 428impl CompletionIntent {
 429    pub fn is_complete(&self) -> bool {
 430        self == &Self::Complete
 431    }
 432
 433    pub fn is_compose(&self) -> bool {
 434        self == &Self::Compose
 435    }
 436}
 437
 438/// Similar to `CoreCompletion`, but with extra metadata attached.
 439#[derive(Clone)]
 440pub struct Completion {
 441    /// The range of text that will be replaced by this completion.
 442    pub replace_range: Range<Anchor>,
 443    /// The new text that will be inserted.
 444    pub new_text: String,
 445    /// A label for this completion that is shown in the menu.
 446    pub label: CodeLabel,
 447    /// The documentation for this completion.
 448    pub documentation: Option<CompletionDocumentation>,
 449    /// Completion data source which it was constructed from.
 450    pub source: CompletionSource,
 451    /// A path to an icon for this completion that is shown in the menu.
 452    pub icon_path: Option<SharedString>,
 453    /// Whether to adjust indentation (the default) or not.
 454    pub insert_text_mode: Option<InsertTextMode>,
 455    /// An optional callback to invoke when this completion is confirmed.
 456    /// Returns, whether new completions should be retriggered after the current one.
 457    /// If `true` is returned, the editor will show a new completion menu after this completion is confirmed.
 458    /// if no confirmation is provided or `false` is returned, the completion will be committed.
 459    pub confirm: Option<Arc<dyn Send + Sync + Fn(CompletionIntent, &mut Window, &mut App) -> bool>>,
 460}
 461
 462#[derive(Debug, Clone)]
 463pub enum CompletionSource {
 464    Lsp {
 465        /// The alternate `insert` range, if provided by the LSP server.
 466        insert_range: Option<Range<Anchor>>,
 467        /// The id of the language server that produced this completion.
 468        server_id: LanguageServerId,
 469        /// The raw completion provided by the language server.
 470        lsp_completion: Box<lsp::CompletionItem>,
 471        /// A set of defaults for this completion item.
 472        lsp_defaults: Option<Arc<lsp::CompletionListItemDefaults>>,
 473        /// Whether this completion has been resolved, to ensure it happens once per completion.
 474        resolved: bool,
 475    },
 476    Dap {
 477        /// The sort text for this completion.
 478        sort_text: String,
 479    },
 480    Custom,
 481    BufferWord {
 482        word_range: Range<Anchor>,
 483        resolved: bool,
 484    },
 485}
 486
 487impl CompletionSource {
 488    pub fn server_id(&self) -> Option<LanguageServerId> {
 489        if let CompletionSource::Lsp { server_id, .. } = self {
 490            Some(*server_id)
 491        } else {
 492            None
 493        }
 494    }
 495
 496    pub fn lsp_completion(&self, apply_defaults: bool) -> Option<Cow<'_, lsp::CompletionItem>> {
 497        if let Self::Lsp {
 498            lsp_completion,
 499            lsp_defaults,
 500            ..
 501        } = self
 502        {
 503            if apply_defaults && let Some(lsp_defaults) = lsp_defaults {
 504                let mut completion_with_defaults = *lsp_completion.clone();
 505                let default_commit_characters = lsp_defaults.commit_characters.as_ref();
 506                let default_edit_range = lsp_defaults.edit_range.as_ref();
 507                let default_insert_text_format = lsp_defaults.insert_text_format.as_ref();
 508                let default_insert_text_mode = lsp_defaults.insert_text_mode.as_ref();
 509
 510                if default_commit_characters.is_some()
 511                    || default_edit_range.is_some()
 512                    || default_insert_text_format.is_some()
 513                    || default_insert_text_mode.is_some()
 514                {
 515                    if completion_with_defaults.commit_characters.is_none()
 516                        && default_commit_characters.is_some()
 517                    {
 518                        completion_with_defaults.commit_characters =
 519                            default_commit_characters.cloned()
 520                    }
 521                    if completion_with_defaults.text_edit.is_none() {
 522                        match default_edit_range {
 523                            Some(lsp::CompletionListItemDefaultsEditRange::Range(range)) => {
 524                                completion_with_defaults.text_edit =
 525                                    Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
 526                                        range: *range,
 527                                        new_text: completion_with_defaults.label.clone(),
 528                                    }))
 529                            }
 530                            Some(lsp::CompletionListItemDefaultsEditRange::InsertAndReplace {
 531                                insert,
 532                                replace,
 533                            }) => {
 534                                completion_with_defaults.text_edit =
 535                                    Some(lsp::CompletionTextEdit::InsertAndReplace(
 536                                        lsp::InsertReplaceEdit {
 537                                            new_text: completion_with_defaults.label.clone(),
 538                                            insert: *insert,
 539                                            replace: *replace,
 540                                        },
 541                                    ))
 542                            }
 543                            None => {}
 544                        }
 545                    }
 546                    if completion_with_defaults.insert_text_format.is_none()
 547                        && default_insert_text_format.is_some()
 548                    {
 549                        completion_with_defaults.insert_text_format =
 550                            default_insert_text_format.cloned()
 551                    }
 552                    if completion_with_defaults.insert_text_mode.is_none()
 553                        && default_insert_text_mode.is_some()
 554                    {
 555                        completion_with_defaults.insert_text_mode =
 556                            default_insert_text_mode.cloned()
 557                    }
 558                }
 559                return Some(Cow::Owned(completion_with_defaults));
 560            }
 561            Some(Cow::Borrowed(lsp_completion))
 562        } else {
 563            None
 564        }
 565    }
 566}
 567
 568impl std::fmt::Debug for Completion {
 569    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 570        f.debug_struct("Completion")
 571            .field("replace_range", &self.replace_range)
 572            .field("new_text", &self.new_text)
 573            .field("label", &self.label)
 574            .field("documentation", &self.documentation)
 575            .field("source", &self.source)
 576            .finish()
 577    }
 578}
 579
 580/// Response from a source of completions.
 581pub struct CompletionResponse {
 582    pub completions: Vec<Completion>,
 583    pub display_options: CompletionDisplayOptions,
 584    /// When false, indicates that the list is complete and so does not need to be re-queried if it
 585    /// can be filtered instead.
 586    pub is_incomplete: bool,
 587}
 588
 589#[derive(Default)]
 590pub struct CompletionDisplayOptions {
 591    pub dynamic_width: bool,
 592}
 593
 594impl CompletionDisplayOptions {
 595    pub fn merge(&mut self, other: &CompletionDisplayOptions) {
 596        self.dynamic_width = self.dynamic_width && other.dynamic_width;
 597    }
 598}
 599
 600/// Response from language server completion request.
 601#[derive(Clone, Debug, Default)]
 602pub(crate) struct CoreCompletionResponse {
 603    pub completions: Vec<CoreCompletion>,
 604    /// When false, indicates that the list is complete and so does not need to be re-queried if it
 605    /// can be filtered instead.
 606    pub is_incomplete: bool,
 607}
 608
 609/// A generic completion that can come from different sources.
 610#[derive(Clone, Debug)]
 611pub(crate) struct CoreCompletion {
 612    replace_range: Range<Anchor>,
 613    new_text: String,
 614    source: CompletionSource,
 615}
 616
 617/// A code action provided by a language server.
 618#[derive(Clone, Debug, PartialEq)]
 619pub struct CodeAction {
 620    /// The id of the language server that produced this code action.
 621    pub server_id: LanguageServerId,
 622    /// The range of the buffer where this code action is applicable.
 623    pub range: Range<Anchor>,
 624    /// The raw code action provided by the language server.
 625    /// Can be either an action or a command.
 626    pub lsp_action: LspAction,
 627    /// Whether the action needs to be resolved using the language server.
 628    pub resolved: bool,
 629}
 630
 631/// An action sent back by a language server.
 632#[derive(Clone, Debug, PartialEq)]
 633pub enum LspAction {
 634    /// An action with the full data, may have a command or may not.
 635    /// May require resolving.
 636    Action(Box<lsp::CodeAction>),
 637    /// A command data to run as an action.
 638    Command(lsp::Command),
 639    /// A code lens data to run as an action.
 640    CodeLens(lsp::CodeLens),
 641}
 642
 643impl LspAction {
 644    pub fn title(&self) -> &str {
 645        match self {
 646            Self::Action(action) => &action.title,
 647            Self::Command(command) => &command.title,
 648            Self::CodeLens(lens) => lens
 649                .command
 650                .as_ref()
 651                .map(|command| command.title.as_str())
 652                .unwrap_or("Unknown command"),
 653        }
 654    }
 655
 656    fn action_kind(&self) -> Option<lsp::CodeActionKind> {
 657        match self {
 658            Self::Action(action) => action.kind.clone(),
 659            Self::Command(_) => Some(lsp::CodeActionKind::new("command")),
 660            Self::CodeLens(_) => Some(lsp::CodeActionKind::new("code lens")),
 661        }
 662    }
 663
 664    fn edit(&self) -> Option<&lsp::WorkspaceEdit> {
 665        match self {
 666            Self::Action(action) => action.edit.as_ref(),
 667            Self::Command(_) => None,
 668            Self::CodeLens(_) => None,
 669        }
 670    }
 671
 672    fn command(&self) -> Option<&lsp::Command> {
 673        match self {
 674            Self::Action(action) => action.command.as_ref(),
 675            Self::Command(command) => Some(command),
 676            Self::CodeLens(lens) => lens.command.as_ref(),
 677        }
 678    }
 679}
 680
 681#[derive(Debug, Clone, PartialEq, Eq)]
 682pub enum ResolveState {
 683    Resolved,
 684    CanResolve(LanguageServerId, Option<lsp::LSPAny>),
 685    Resolving,
 686}
 687impl InlayHint {
 688    pub fn text(&self) -> Rope {
 689        match &self.label {
 690            InlayHintLabel::String(s) => Rope::from(s),
 691            InlayHintLabel::LabelParts(parts) => parts.iter().map(|part| &*part.value).collect(),
 692        }
 693    }
 694}
 695
 696#[derive(Debug, Clone, PartialEq, Eq)]
 697pub enum InlayHintLabel {
 698    String(String),
 699    LabelParts(Vec<InlayHintLabelPart>),
 700}
 701
 702#[derive(Debug, Clone, PartialEq, Eq)]
 703pub struct InlayHintLabelPart {
 704    pub value: String,
 705    pub tooltip: Option<InlayHintLabelPartTooltip>,
 706    pub location: Option<(LanguageServerId, lsp::Location)>,
 707}
 708
 709#[derive(Debug, Clone, PartialEq, Eq)]
 710pub enum InlayHintTooltip {
 711    String(String),
 712    MarkupContent(MarkupContent),
 713}
 714
 715#[derive(Debug, Clone, PartialEq, Eq)]
 716pub enum InlayHintLabelPartTooltip {
 717    String(String),
 718    MarkupContent(MarkupContent),
 719}
 720
 721#[derive(Debug, Clone, PartialEq, Eq)]
 722pub struct MarkupContent {
 723    pub kind: HoverBlockKind,
 724    pub value: String,
 725}
 726
 727#[derive(Debug, Clone, PartialEq)]
 728pub struct LocationLink {
 729    pub origin: Option<Location>,
 730    pub target: Location,
 731}
 732
 733#[derive(Debug)]
 734pub struct DocumentHighlight {
 735    pub range: Range<language::Anchor>,
 736    pub kind: DocumentHighlightKind,
 737}
 738
 739#[derive(Clone, Debug)]
 740pub struct Symbol {
 741    pub language_server_name: LanguageServerName,
 742    pub source_worktree_id: WorktreeId,
 743    pub source_language_server_id: LanguageServerId,
 744    pub path: ProjectPath,
 745    pub label: CodeLabel,
 746    pub name: String,
 747    pub kind: lsp::SymbolKind,
 748    pub range: Range<Unclipped<PointUtf16>>,
 749    pub signature: [u8; 32],
 750}
 751
 752#[derive(Clone, Debug)]
 753pub struct DocumentSymbol {
 754    pub name: String,
 755    pub kind: lsp::SymbolKind,
 756    pub range: Range<Unclipped<PointUtf16>>,
 757    pub selection_range: Range<Unclipped<PointUtf16>>,
 758    pub children: Vec<DocumentSymbol>,
 759}
 760
 761#[derive(Clone, Debug, PartialEq)]
 762pub struct HoverBlock {
 763    pub text: String,
 764    pub kind: HoverBlockKind,
 765}
 766
 767#[derive(Clone, Debug, PartialEq, Eq)]
 768pub enum HoverBlockKind {
 769    PlainText,
 770    Markdown,
 771    Code { language: String },
 772}
 773
 774#[derive(Debug, Clone)]
 775pub struct Hover {
 776    pub contents: Vec<HoverBlock>,
 777    pub range: Option<Range<language::Anchor>>,
 778    pub language: Option<Arc<Language>>,
 779}
 780
 781impl Hover {
 782    pub fn is_empty(&self) -> bool {
 783        self.contents.iter().all(|block| block.text.is_empty())
 784    }
 785}
 786
 787enum EntitySubscription {
 788    Project(PendingEntitySubscription<Project>),
 789    BufferStore(PendingEntitySubscription<BufferStore>),
 790    GitStore(PendingEntitySubscription<GitStore>),
 791    WorktreeStore(PendingEntitySubscription<WorktreeStore>),
 792    LspStore(PendingEntitySubscription<LspStore>),
 793    SettingsObserver(PendingEntitySubscription<SettingsObserver>),
 794    DapStore(PendingEntitySubscription<DapStore>),
 795}
 796
 797#[derive(Debug, Clone)]
 798pub struct DirectoryItem {
 799    pub path: PathBuf,
 800    pub is_dir: bool,
 801}
 802
 803#[derive(Clone, Debug, PartialEq)]
 804pub struct DocumentColor {
 805    pub lsp_range: lsp::Range,
 806    pub color: lsp::Color,
 807    pub resolved: bool,
 808    pub color_presentations: Vec<ColorPresentation>,
 809}
 810
 811impl Eq for DocumentColor {}
 812
 813impl std::hash::Hash for DocumentColor {
 814    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 815        self.lsp_range.hash(state);
 816        self.color.red.to_bits().hash(state);
 817        self.color.green.to_bits().hash(state);
 818        self.color.blue.to_bits().hash(state);
 819        self.color.alpha.to_bits().hash(state);
 820        self.resolved.hash(state);
 821        self.color_presentations.hash(state);
 822    }
 823}
 824
 825#[derive(Clone, Debug, PartialEq, Eq)]
 826pub struct ColorPresentation {
 827    pub label: SharedString,
 828    pub text_edit: Option<lsp::TextEdit>,
 829    pub additional_text_edits: Vec<lsp::TextEdit>,
 830}
 831
 832impl std::hash::Hash for ColorPresentation {
 833    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 834        self.label.hash(state);
 835        if let Some(ref edit) = self.text_edit {
 836            edit.range.hash(state);
 837            edit.new_text.hash(state);
 838        }
 839        self.additional_text_edits.len().hash(state);
 840        for edit in &self.additional_text_edits {
 841            edit.range.hash(state);
 842            edit.new_text.hash(state);
 843        }
 844    }
 845}
 846
 847#[derive(Clone)]
 848pub enum DirectoryLister {
 849    Project(Entity<Project>),
 850    Local(Entity<Project>, Arc<dyn Fs>),
 851}
 852
 853impl std::fmt::Debug for DirectoryLister {
 854    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 855        match self {
 856            DirectoryLister::Project(project) => {
 857                write!(f, "DirectoryLister::Project({project:?})")
 858            }
 859            DirectoryLister::Local(project, _) => {
 860                write!(f, "DirectoryLister::Local({project:?})")
 861            }
 862        }
 863    }
 864}
 865
 866impl DirectoryLister {
 867    pub fn is_local(&self, cx: &App) -> bool {
 868        match self {
 869            DirectoryLister::Local(..) => true,
 870            DirectoryLister::Project(project) => project.read(cx).is_local(),
 871        }
 872    }
 873
 874    pub fn resolve_tilde<'a>(&self, path: &'a String, cx: &App) -> Cow<'a, str> {
 875        if self.is_local(cx) {
 876            shellexpand::tilde(path)
 877        } else {
 878            Cow::from(path)
 879        }
 880    }
 881
 882    pub fn default_query(&self, cx: &mut App) -> String {
 883        let separator = std::path::MAIN_SEPARATOR_STR;
 884        match self {
 885            DirectoryLister::Project(project) => project,
 886            DirectoryLister::Local(project, _) => project,
 887        }
 888        .read(cx)
 889        .visible_worktrees(cx)
 890        .next()
 891        .map(|worktree| worktree.read(cx).abs_path())
 892        .map(|dir| dir.to_string_lossy().to_string())
 893        .or_else(|| std::env::home_dir().map(|dir| dir.to_string_lossy().to_string()))
 894        .map(|mut s| {
 895            s.push_str(separator);
 896            s
 897        })
 898        .unwrap_or_else(|| {
 899            if cfg!(target_os = "windows") {
 900                format!("C:{separator}")
 901            } else {
 902                format!("~{separator}")
 903            }
 904        })
 905    }
 906
 907    pub fn list_directory(&self, path: String, cx: &mut App) -> Task<Result<Vec<DirectoryItem>>> {
 908        match self {
 909            DirectoryLister::Project(project) => {
 910                project.update(cx, |project, cx| project.list_directory(path, cx))
 911            }
 912            DirectoryLister::Local(_, fs) => {
 913                let fs = fs.clone();
 914                cx.background_spawn(async move {
 915                    let mut results = vec![];
 916                    let expanded = shellexpand::tilde(&path);
 917                    let query = Path::new(expanded.as_ref());
 918                    let mut response = fs.read_dir(query).await?;
 919                    while let Some(path) = response.next().await {
 920                        let path = path?;
 921                        if let Some(file_name) = path.file_name() {
 922                            results.push(DirectoryItem {
 923                                path: PathBuf::from(file_name.to_os_string()),
 924                                is_dir: fs.is_dir(&path).await,
 925                            });
 926                        }
 927                    }
 928                    Ok(results)
 929                })
 930            }
 931        }
 932    }
 933}
 934
 935#[cfg(any(test, feature = "test-support"))]
 936pub const DEFAULT_COMPLETION_CONTEXT: CompletionContext = CompletionContext {
 937    trigger_kind: lsp::CompletionTriggerKind::INVOKED,
 938    trigger_character: None,
 939};
 940
 941/// An LSP diagnostics associated with a certain language server.
 942#[derive(Clone, Debug, Default)]
 943pub enum LspPullDiagnostics {
 944    #[default]
 945    Default,
 946    Response {
 947        /// The id of the language server that produced diagnostics.
 948        server_id: LanguageServerId,
 949        /// URI of the resource,
 950        uri: lsp::Uri,
 951        /// The diagnostics produced by this language server.
 952        diagnostics: PulledDiagnostics,
 953    },
 954}
 955
 956#[derive(Clone, Debug)]
 957pub enum PulledDiagnostics {
 958    Unchanged {
 959        /// An ID the current pulled batch for this file.
 960        /// If given, can be used to query workspace diagnostics partially.
 961        result_id: String,
 962    },
 963    Changed {
 964        result_id: Option<String>,
 965        diagnostics: Vec<lsp::Diagnostic>,
 966    },
 967}
 968
 969/// Whether to disable all AI features in Zed.
 970///
 971/// Default: false
 972#[derive(Copy, Clone, Debug, settings::SettingsUi)]
 973pub struct DisableAiSettings {
 974    pub disable_ai: bool,
 975}
 976
 977#[derive(
 978    Copy,
 979    Clone,
 980    PartialEq,
 981    Eq,
 982    Debug,
 983    Default,
 984    serde::Serialize,
 985    serde::Deserialize,
 986    SettingsUi,
 987    SettingsKey,
 988    JsonSchema,
 989)]
 990#[settings_key(None)]
 991pub struct DisableAiSettingContent {
 992    pub disable_ai: Option<bool>,
 993}
 994
 995impl settings::Settings for DisableAiSettings {
 996    type FileContent = DisableAiSettingContent;
 997
 998    fn load(sources: SettingsSources<Self::FileContent>, _: &mut App) -> Result<Self> {
 999        // For security reasons, settings can only make AI restrictions MORE strict, not less.
1000        // (For example, if someone is working on a project that contractually
1001        // requires no AI use, that should override the user's setting which
1002        // permits AI use.)
1003        // This also prevents an attacker from using project or server settings to enable AI when it should be disabled.
1004        let disable_ai = sources
1005            .project
1006            .iter()
1007            .chain(sources.user.iter())
1008            .chain(sources.server.iter())
1009            .any(|disabled| disabled.disable_ai == Some(true));
1010
1011        Ok(Self { disable_ai })
1012    }
1013
1014    fn import_from_vscode(_vscode: &settings::VsCodeSettings, _current: &mut Self::FileContent) {}
1015}
1016
1017impl Project {
1018    pub fn init_settings(cx: &mut App) {
1019        WorktreeSettings::register(cx);
1020        ProjectSettings::register(cx);
1021        DisableAiSettings::register(cx);
1022    }
1023
1024    pub fn init(client: &Arc<Client>, cx: &mut App) {
1025        connection_manager::init(client.clone(), cx);
1026        Self::init_settings(cx);
1027
1028        let client: AnyProtoClient = client.clone().into();
1029        client.add_entity_message_handler(Self::handle_add_collaborator);
1030        client.add_entity_message_handler(Self::handle_update_project_collaborator);
1031        client.add_entity_message_handler(Self::handle_remove_collaborator);
1032        client.add_entity_message_handler(Self::handle_update_project);
1033        client.add_entity_message_handler(Self::handle_unshare_project);
1034        client.add_entity_request_handler(Self::handle_update_buffer);
1035        client.add_entity_message_handler(Self::handle_update_worktree);
1036        client.add_entity_request_handler(Self::handle_synchronize_buffers);
1037
1038        client.add_entity_request_handler(Self::handle_search_candidate_buffers);
1039        client.add_entity_request_handler(Self::handle_open_buffer_by_id);
1040        client.add_entity_request_handler(Self::handle_open_buffer_by_path);
1041        client.add_entity_request_handler(Self::handle_open_new_buffer);
1042        client.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1043        client.add_entity_message_handler(Self::handle_toggle_lsp_logs);
1044
1045        WorktreeStore::init(&client);
1046        BufferStore::init(&client);
1047        LspStore::init(&client);
1048        GitStore::init(&client);
1049        SettingsObserver::init(&client);
1050        TaskStore::init(Some(&client));
1051        ToolchainStore::init(&client);
1052        DapStore::init(&client, cx);
1053        BreakpointStore::init(&client);
1054        context_server_store::init(cx);
1055    }
1056
1057    pub fn local(
1058        client: Arc<Client>,
1059        node: NodeRuntime,
1060        user_store: Entity<UserStore>,
1061        languages: Arc<LanguageRegistry>,
1062        fs: Arc<dyn Fs>,
1063        env: Option<HashMap<String, String>>,
1064        cx: &mut App,
1065    ) -> Entity<Self> {
1066        cx.new(|cx: &mut Context<Self>| {
1067            let (tx, rx) = mpsc::unbounded();
1068            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1069                .detach();
1070            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1071            let worktree_store = cx.new(|_| WorktreeStore::local(false, fs.clone()));
1072            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1073                .detach();
1074
1075            let weak_self = cx.weak_entity();
1076            let context_server_store =
1077                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), weak_self, cx));
1078
1079            let environment = cx.new(|_| ProjectEnvironment::new(env));
1080            let manifest_tree = ManifestTree::new(worktree_store.clone(), cx);
1081            let toolchain_store = cx.new(|cx| {
1082                ToolchainStore::local(
1083                    languages.clone(),
1084                    worktree_store.clone(),
1085                    environment.clone(),
1086                    manifest_tree.clone(),
1087                    cx,
1088                )
1089            });
1090
1091            let buffer_store = cx.new(|cx| BufferStore::local(worktree_store.clone(), cx));
1092            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1093                .detach();
1094
1095            let breakpoint_store =
1096                cx.new(|_| BreakpointStore::local(worktree_store.clone(), buffer_store.clone()));
1097
1098            let dap_store = cx.new(|cx| {
1099                DapStore::new_local(
1100                    client.http_client(),
1101                    node.clone(),
1102                    fs.clone(),
1103                    environment.clone(),
1104                    toolchain_store.read(cx).as_language_toolchain_store(),
1105                    worktree_store.clone(),
1106                    breakpoint_store.clone(),
1107                    cx,
1108                )
1109            });
1110            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1111
1112            let image_store = cx.new(|cx| ImageStore::local(worktree_store.clone(), cx));
1113            cx.subscribe(&image_store, Self::on_image_store_event)
1114                .detach();
1115
1116            let prettier_store = cx.new(|cx| {
1117                PrettierStore::new(
1118                    node.clone(),
1119                    fs.clone(),
1120                    languages.clone(),
1121                    worktree_store.clone(),
1122                    cx,
1123                )
1124            });
1125
1126            let task_store = cx.new(|cx| {
1127                TaskStore::local(
1128                    fs.clone(),
1129                    buffer_store.downgrade(),
1130                    worktree_store.clone(),
1131                    toolchain_store.read(cx).as_language_toolchain_store(),
1132                    environment.clone(),
1133                    cx,
1134                )
1135            });
1136
1137            let settings_observer = cx.new(|cx| {
1138                SettingsObserver::new_local(
1139                    fs.clone(),
1140                    worktree_store.clone(),
1141                    task_store.clone(),
1142                    cx,
1143                )
1144            });
1145            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1146                .detach();
1147
1148            let lsp_store = cx.new(|cx| {
1149                LspStore::new_local(
1150                    buffer_store.clone(),
1151                    worktree_store.clone(),
1152                    prettier_store.clone(),
1153                    toolchain_store
1154                        .read(cx)
1155                        .as_local_store()
1156                        .expect("Toolchain store to be local")
1157                        .clone(),
1158                    environment.clone(),
1159                    manifest_tree,
1160                    languages.clone(),
1161                    client.http_client(),
1162                    fs.clone(),
1163                    cx,
1164                )
1165            });
1166
1167            let git_store = cx.new(|cx| {
1168                GitStore::local(
1169                    &worktree_store,
1170                    buffer_store.clone(),
1171                    environment.clone(),
1172                    fs.clone(),
1173                    cx,
1174                )
1175            });
1176
1177            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1178
1179            Self {
1180                buffer_ordered_messages_tx: tx,
1181                collaborators: Default::default(),
1182                worktree_store,
1183                buffer_store,
1184                image_store,
1185                lsp_store,
1186                context_server_store,
1187                join_project_response_message_id: 0,
1188                client_state: ProjectClientState::Local,
1189                git_store,
1190                client_subscriptions: Vec::new(),
1191                _subscriptions: vec![cx.on_release(Self::release)],
1192                active_entry: None,
1193                snippets,
1194                languages,
1195                collab_client: client,
1196                task_store,
1197                user_store,
1198                settings_observer,
1199                fs,
1200                remote_client: None,
1201                breakpoint_store,
1202                dap_store,
1203
1204                buffers_needing_diff: Default::default(),
1205                git_diff_debouncer: DebouncedDelay::new(),
1206                terminals: Terminals {
1207                    local_handles: Vec::new(),
1208                },
1209                node: Some(node),
1210                search_history: Self::new_search_history(),
1211                environment,
1212                remotely_created_models: Default::default(),
1213
1214                search_included_history: Self::new_search_history(),
1215                search_excluded_history: Self::new_search_history(),
1216
1217                toolchain_store: Some(toolchain_store),
1218
1219                agent_location: None,
1220            }
1221        })
1222    }
1223
1224    pub fn remote(
1225        remote: Entity<RemoteClient>,
1226        client: Arc<Client>,
1227        node: NodeRuntime,
1228        user_store: Entity<UserStore>,
1229        languages: Arc<LanguageRegistry>,
1230        fs: Arc<dyn Fs>,
1231        cx: &mut App,
1232    ) -> Entity<Self> {
1233        cx.new(|cx: &mut Context<Self>| {
1234            let (tx, rx) = mpsc::unbounded();
1235            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1236                .detach();
1237            let global_snippets_dir = paths::snippets_dir().to_owned();
1238            let snippets =
1239                SnippetProvider::new(fs.clone(), BTreeSet::from_iter([global_snippets_dir]), cx);
1240
1241            let (remote_proto, path_style) =
1242                remote.read_with(cx, |remote, _| (remote.proto_client(), remote.path_style()));
1243            let worktree_store = cx.new(|_| {
1244                WorktreeStore::remote(
1245                    false,
1246                    remote_proto.clone(),
1247                    REMOTE_SERVER_PROJECT_ID,
1248                    path_style,
1249                )
1250            });
1251            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1252                .detach();
1253
1254            let weak_self = cx.weak_entity();
1255            let context_server_store =
1256                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), weak_self, cx));
1257
1258            let buffer_store = cx.new(|cx| {
1259                BufferStore::remote(
1260                    worktree_store.clone(),
1261                    remote.read(cx).proto_client(),
1262                    REMOTE_SERVER_PROJECT_ID,
1263                    cx,
1264                )
1265            });
1266            let image_store = cx.new(|cx| {
1267                ImageStore::remote(
1268                    worktree_store.clone(),
1269                    remote.read(cx).proto_client(),
1270                    REMOTE_SERVER_PROJECT_ID,
1271                    cx,
1272                )
1273            });
1274            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1275                .detach();
1276            let toolchain_store = cx.new(|cx| {
1277                ToolchainStore::remote(REMOTE_SERVER_PROJECT_ID, remote.read(cx).proto_client(), cx)
1278            });
1279            let task_store = cx.new(|cx| {
1280                TaskStore::remote(
1281                    fs.clone(),
1282                    buffer_store.downgrade(),
1283                    worktree_store.clone(),
1284                    toolchain_store.read(cx).as_language_toolchain_store(),
1285                    remote.read(cx).proto_client(),
1286                    REMOTE_SERVER_PROJECT_ID,
1287                    cx,
1288                )
1289            });
1290
1291            let settings_observer = cx.new(|cx| {
1292                SettingsObserver::new_remote(
1293                    fs.clone(),
1294                    worktree_store.clone(),
1295                    task_store.clone(),
1296                    Some(remote_proto.clone()),
1297                    cx,
1298                )
1299            });
1300            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1301                .detach();
1302
1303            let environment = cx.new(|_| ProjectEnvironment::new(None));
1304
1305            let lsp_store = cx.new(|cx| {
1306                LspStore::new_remote(
1307                    buffer_store.clone(),
1308                    worktree_store.clone(),
1309                    languages.clone(),
1310                    remote_proto.clone(),
1311                    REMOTE_SERVER_PROJECT_ID,
1312                    fs.clone(),
1313                    cx,
1314                )
1315            });
1316            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1317
1318            let breakpoint_store =
1319                cx.new(|_| BreakpointStore::remote(REMOTE_SERVER_PROJECT_ID, remote_proto.clone()));
1320
1321            let dap_store = cx.new(|cx| {
1322                DapStore::new_remote(
1323                    REMOTE_SERVER_PROJECT_ID,
1324                    remote.clone(),
1325                    breakpoint_store.clone(),
1326                    worktree_store.clone(),
1327                    cx,
1328                )
1329            });
1330
1331            let git_store = cx.new(|cx| {
1332                GitStore::remote(
1333                    &worktree_store,
1334                    buffer_store.clone(),
1335                    remote_proto.clone(),
1336                    REMOTE_SERVER_PROJECT_ID,
1337                    cx,
1338                )
1339            });
1340
1341            cx.subscribe(&remote, Self::on_remote_client_event).detach();
1342
1343            let this = Self {
1344                buffer_ordered_messages_tx: tx,
1345                collaborators: Default::default(),
1346                worktree_store,
1347                buffer_store,
1348                image_store,
1349                lsp_store,
1350                context_server_store,
1351                breakpoint_store,
1352                dap_store,
1353                join_project_response_message_id: 0,
1354                client_state: ProjectClientState::Local,
1355                git_store,
1356                client_subscriptions: Vec::new(),
1357                _subscriptions: vec![
1358                    cx.on_release(Self::release),
1359                    cx.on_app_quit(|this, cx| {
1360                        let shutdown = this.remote_client.take().and_then(|client| {
1361                            client.update(cx, |client, cx| {
1362                                client.shutdown_processes(
1363                                    Some(proto::ShutdownRemoteServer {}),
1364                                    cx.background_executor().clone(),
1365                                )
1366                            })
1367                        });
1368
1369                        cx.background_executor().spawn(async move {
1370                            if let Some(shutdown) = shutdown {
1371                                shutdown.await;
1372                            }
1373                        })
1374                    }),
1375                ],
1376                active_entry: None,
1377                snippets,
1378                languages,
1379                collab_client: client,
1380                task_store,
1381                user_store,
1382                settings_observer,
1383                fs,
1384                remote_client: Some(remote.clone()),
1385                buffers_needing_diff: Default::default(),
1386                git_diff_debouncer: DebouncedDelay::new(),
1387                terminals: Terminals {
1388                    local_handles: Vec::new(),
1389                },
1390                node: Some(node),
1391                search_history: Self::new_search_history(),
1392                environment,
1393                remotely_created_models: Default::default(),
1394
1395                search_included_history: Self::new_search_history(),
1396                search_excluded_history: Self::new_search_history(),
1397
1398                toolchain_store: Some(toolchain_store),
1399                agent_location: None,
1400            };
1401
1402            // remote server -> local machine handlers
1403            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &cx.entity());
1404            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.buffer_store);
1405            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.worktree_store);
1406            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.lsp_store);
1407            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.dap_store);
1408            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.settings_observer);
1409            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.git_store);
1410
1411            remote_proto.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1412            remote_proto.add_entity_message_handler(Self::handle_update_worktree);
1413            remote_proto.add_entity_message_handler(Self::handle_update_project);
1414            remote_proto.add_entity_message_handler(Self::handle_toast);
1415            remote_proto.add_entity_request_handler(Self::handle_language_server_prompt_request);
1416            remote_proto.add_entity_message_handler(Self::handle_hide_toast);
1417            remote_proto.add_entity_request_handler(Self::handle_update_buffer_from_remote_server);
1418            BufferStore::init(&remote_proto);
1419            LspStore::init(&remote_proto);
1420            SettingsObserver::init(&remote_proto);
1421            TaskStore::init(Some(&remote_proto));
1422            ToolchainStore::init(&remote_proto);
1423            DapStore::init(&remote_proto, cx);
1424            GitStore::init(&remote_proto);
1425
1426            this
1427        })
1428    }
1429
1430    pub async fn in_room(
1431        remote_id: u64,
1432        client: Arc<Client>,
1433        user_store: Entity<UserStore>,
1434        languages: Arc<LanguageRegistry>,
1435        fs: Arc<dyn Fs>,
1436        cx: AsyncApp,
1437    ) -> Result<Entity<Self>> {
1438        client.connect(true, &cx).await.into_response()?;
1439
1440        let subscriptions = [
1441            EntitySubscription::Project(client.subscribe_to_entity::<Self>(remote_id)?),
1442            EntitySubscription::BufferStore(client.subscribe_to_entity::<BufferStore>(remote_id)?),
1443            EntitySubscription::GitStore(client.subscribe_to_entity::<GitStore>(remote_id)?),
1444            EntitySubscription::WorktreeStore(
1445                client.subscribe_to_entity::<WorktreeStore>(remote_id)?,
1446            ),
1447            EntitySubscription::LspStore(client.subscribe_to_entity::<LspStore>(remote_id)?),
1448            EntitySubscription::SettingsObserver(
1449                client.subscribe_to_entity::<SettingsObserver>(remote_id)?,
1450            ),
1451            EntitySubscription::DapStore(client.subscribe_to_entity::<DapStore>(remote_id)?),
1452        ];
1453        let committer = get_git_committer(&cx).await;
1454        let response = client
1455            .request_envelope(proto::JoinProject {
1456                project_id: remote_id,
1457                committer_email: committer.email,
1458                committer_name: committer.name,
1459            })
1460            .await?;
1461        Self::from_join_project_response(
1462            response,
1463            subscriptions,
1464            client,
1465            false,
1466            user_store,
1467            languages,
1468            fs,
1469            cx,
1470        )
1471        .await
1472    }
1473
1474    async fn from_join_project_response(
1475        response: TypedEnvelope<proto::JoinProjectResponse>,
1476        subscriptions: [EntitySubscription; 7],
1477        client: Arc<Client>,
1478        run_tasks: bool,
1479        user_store: Entity<UserStore>,
1480        languages: Arc<LanguageRegistry>,
1481        fs: Arc<dyn Fs>,
1482        mut cx: AsyncApp,
1483    ) -> Result<Entity<Self>> {
1484        let remote_id = response.payload.project_id;
1485        let role = response.payload.role();
1486
1487        // todo(zjk)
1488        // Set the proper path style based on the remote
1489        let worktree_store = cx.new(|_| {
1490            WorktreeStore::remote(
1491                true,
1492                client.clone().into(),
1493                response.payload.project_id,
1494                PathStyle::Posix,
1495            )
1496        })?;
1497        let buffer_store = cx.new(|cx| {
1498            BufferStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1499        })?;
1500        let image_store = cx.new(|cx| {
1501            ImageStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1502        })?;
1503
1504        let environment = cx.new(|_| ProjectEnvironment::new(None))?;
1505
1506        let breakpoint_store =
1507            cx.new(|_| BreakpointStore::remote(remote_id, client.clone().into()))?;
1508        let dap_store = cx.new(|cx| {
1509            DapStore::new_collab(
1510                remote_id,
1511                client.clone().into(),
1512                breakpoint_store.clone(),
1513                worktree_store.clone(),
1514                cx,
1515            )
1516        })?;
1517
1518        let lsp_store = cx.new(|cx| {
1519            LspStore::new_remote(
1520                buffer_store.clone(),
1521                worktree_store.clone(),
1522                languages.clone(),
1523                client.clone().into(),
1524                remote_id,
1525                fs.clone(),
1526                cx,
1527            )
1528        })?;
1529
1530        let task_store = cx.new(|cx| {
1531            if run_tasks {
1532                TaskStore::remote(
1533                    fs.clone(),
1534                    buffer_store.downgrade(),
1535                    worktree_store.clone(),
1536                    Arc::new(EmptyToolchainStore),
1537                    client.clone().into(),
1538                    remote_id,
1539                    cx,
1540                )
1541            } else {
1542                TaskStore::Noop
1543            }
1544        })?;
1545
1546        let settings_observer = cx.new(|cx| {
1547            SettingsObserver::new_remote(
1548                fs.clone(),
1549                worktree_store.clone(),
1550                task_store.clone(),
1551                None,
1552                cx,
1553            )
1554        })?;
1555
1556        let git_store = cx.new(|cx| {
1557            GitStore::remote(
1558                // In this remote case we pass None for the environment
1559                &worktree_store,
1560                buffer_store.clone(),
1561                client.clone().into(),
1562                remote_id,
1563                cx,
1564            )
1565        })?;
1566
1567        let project = cx.new(|cx| {
1568            let replica_id = response.payload.replica_id as ReplicaId;
1569
1570            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1571
1572            let weak_self = cx.weak_entity();
1573            let context_server_store =
1574                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), weak_self, cx));
1575
1576            let mut worktrees = Vec::new();
1577            for worktree in response.payload.worktrees {
1578                let worktree =
1579                    Worktree::remote(remote_id, replica_id, worktree, client.clone().into(), cx);
1580                worktrees.push(worktree);
1581            }
1582
1583            let (tx, rx) = mpsc::unbounded();
1584            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1585                .detach();
1586
1587            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1588                .detach();
1589
1590            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1591                .detach();
1592            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1593            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1594                .detach();
1595
1596            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1597
1598            let mut project = Self {
1599                buffer_ordered_messages_tx: tx,
1600                buffer_store: buffer_store.clone(),
1601                image_store,
1602                worktree_store: worktree_store.clone(),
1603                lsp_store: lsp_store.clone(),
1604                context_server_store,
1605                active_entry: None,
1606                collaborators: Default::default(),
1607                join_project_response_message_id: response.message_id,
1608                languages,
1609                user_store: user_store.clone(),
1610                task_store,
1611                snippets,
1612                fs,
1613                remote_client: None,
1614                settings_observer: settings_observer.clone(),
1615                client_subscriptions: Default::default(),
1616                _subscriptions: vec![cx.on_release(Self::release)],
1617                collab_client: client.clone(),
1618                client_state: ProjectClientState::Remote {
1619                    sharing_has_stopped: false,
1620                    capability: Capability::ReadWrite,
1621                    remote_id,
1622                    replica_id,
1623                },
1624                breakpoint_store,
1625                dap_store: dap_store.clone(),
1626                git_store: git_store.clone(),
1627                buffers_needing_diff: Default::default(),
1628                git_diff_debouncer: DebouncedDelay::new(),
1629                terminals: Terminals {
1630                    local_handles: Vec::new(),
1631                },
1632                node: None,
1633                search_history: Self::new_search_history(),
1634                search_included_history: Self::new_search_history(),
1635                search_excluded_history: Self::new_search_history(),
1636                environment,
1637                remotely_created_models: Arc::new(Mutex::new(RemotelyCreatedModels::default())),
1638                toolchain_store: None,
1639                agent_location: None,
1640            };
1641            project.set_role(role, cx);
1642            for worktree in worktrees {
1643                project.add_worktree(&worktree, cx);
1644            }
1645            project
1646        })?;
1647
1648        let weak_project = project.downgrade();
1649        lsp_store
1650            .update(&mut cx, |lsp_store, cx| {
1651                lsp_store.set_language_server_statuses_from_proto(
1652                    weak_project,
1653                    response.payload.language_servers,
1654                    response.payload.language_server_capabilities,
1655                    cx,
1656                );
1657            })
1658            .ok();
1659
1660        let subscriptions = subscriptions
1661            .into_iter()
1662            .map(|s| match s {
1663                EntitySubscription::BufferStore(subscription) => {
1664                    subscription.set_entity(&buffer_store, &cx)
1665                }
1666                EntitySubscription::WorktreeStore(subscription) => {
1667                    subscription.set_entity(&worktree_store, &cx)
1668                }
1669                EntitySubscription::GitStore(subscription) => {
1670                    subscription.set_entity(&git_store, &cx)
1671                }
1672                EntitySubscription::SettingsObserver(subscription) => {
1673                    subscription.set_entity(&settings_observer, &cx)
1674                }
1675                EntitySubscription::Project(subscription) => subscription.set_entity(&project, &cx),
1676                EntitySubscription::LspStore(subscription) => {
1677                    subscription.set_entity(&lsp_store, &cx)
1678                }
1679                EntitySubscription::DapStore(subscription) => {
1680                    subscription.set_entity(&dap_store, &cx)
1681                }
1682            })
1683            .collect::<Vec<_>>();
1684
1685        let user_ids = response
1686            .payload
1687            .collaborators
1688            .iter()
1689            .map(|peer| peer.user_id)
1690            .collect();
1691        user_store
1692            .update(&mut cx, |user_store, cx| user_store.get_users(user_ids, cx))?
1693            .await?;
1694
1695        project.update(&mut cx, |this, cx| {
1696            this.set_collaborators_from_proto(response.payload.collaborators, cx)?;
1697            this.client_subscriptions.extend(subscriptions);
1698            anyhow::Ok(())
1699        })??;
1700
1701        Ok(project)
1702    }
1703
1704    fn new_search_history() -> SearchHistory {
1705        SearchHistory::new(
1706            Some(MAX_PROJECT_SEARCH_HISTORY_SIZE),
1707            search_history::QueryInsertionBehavior::AlwaysInsert,
1708        )
1709    }
1710
1711    fn release(&mut self, cx: &mut App) {
1712        if let Some(client) = self.remote_client.take() {
1713            let shutdown = client.update(cx, |client, cx| {
1714                client.shutdown_processes(
1715                    Some(proto::ShutdownRemoteServer {}),
1716                    cx.background_executor().clone(),
1717                )
1718            });
1719
1720            cx.background_spawn(async move {
1721                if let Some(shutdown) = shutdown {
1722                    shutdown.await;
1723                }
1724            })
1725            .detach()
1726        }
1727
1728        match &self.client_state {
1729            ProjectClientState::Local => {}
1730            ProjectClientState::Shared { .. } => {
1731                let _ = self.unshare_internal(cx);
1732            }
1733            ProjectClientState::Remote { remote_id, .. } => {
1734                let _ = self.collab_client.send(proto::LeaveProject {
1735                    project_id: *remote_id,
1736                });
1737                self.disconnected_from_host_internal(cx);
1738            }
1739        }
1740    }
1741
1742    #[cfg(any(test, feature = "test-support"))]
1743    pub async fn example(
1744        root_paths: impl IntoIterator<Item = &Path>,
1745        cx: &mut AsyncApp,
1746    ) -> Entity<Project> {
1747        use clock::FakeSystemClock;
1748
1749        let fs = Arc::new(RealFs::new(None, cx.background_executor().clone()));
1750        let languages = LanguageRegistry::test(cx.background_executor().clone());
1751        let clock = Arc::new(FakeSystemClock::new());
1752        let http_client = http_client::FakeHttpClient::with_404_response();
1753        let client = cx
1754            .update(|cx| client::Client::new(clock, http_client.clone(), cx))
1755            .unwrap();
1756        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx)).unwrap();
1757        let project = cx
1758            .update(|cx| {
1759                Project::local(
1760                    client,
1761                    node_runtime::NodeRuntime::unavailable(),
1762                    user_store,
1763                    Arc::new(languages),
1764                    fs,
1765                    None,
1766                    cx,
1767                )
1768            })
1769            .unwrap();
1770        for path in root_paths {
1771            let (tree, _) = project
1772                .update(cx, |project, cx| {
1773                    project.find_or_create_worktree(path, true, cx)
1774                })
1775                .unwrap()
1776                .await
1777                .unwrap();
1778            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
1779                .unwrap()
1780                .await;
1781        }
1782        project
1783    }
1784
1785    #[cfg(any(test, feature = "test-support"))]
1786    pub async fn test(
1787        fs: Arc<dyn Fs>,
1788        root_paths: impl IntoIterator<Item = &Path>,
1789        cx: &mut gpui::TestAppContext,
1790    ) -> Entity<Project> {
1791        use clock::FakeSystemClock;
1792
1793        let languages = LanguageRegistry::test(cx.executor());
1794        let clock = Arc::new(FakeSystemClock::new());
1795        let http_client = http_client::FakeHttpClient::with_404_response();
1796        let client = cx.update(|cx| client::Client::new(clock, http_client.clone(), cx));
1797        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
1798        let project = cx.update(|cx| {
1799            Project::local(
1800                client,
1801                node_runtime::NodeRuntime::unavailable(),
1802                user_store,
1803                Arc::new(languages),
1804                fs,
1805                None,
1806                cx,
1807            )
1808        });
1809        for path in root_paths {
1810            let (tree, _) = project
1811                .update(cx, |project, cx| {
1812                    project.find_or_create_worktree(path, true, cx)
1813                })
1814                .await
1815                .unwrap();
1816
1817            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
1818                .await;
1819        }
1820        project
1821    }
1822
1823    pub fn dap_store(&self) -> Entity<DapStore> {
1824        self.dap_store.clone()
1825    }
1826
1827    pub fn breakpoint_store(&self) -> Entity<BreakpointStore> {
1828        self.breakpoint_store.clone()
1829    }
1830
1831    pub fn active_debug_session(&self, cx: &App) -> Option<(Entity<Session>, ActiveStackFrame)> {
1832        let active_position = self.breakpoint_store.read(cx).active_position()?;
1833        let session = self
1834            .dap_store
1835            .read(cx)
1836            .session_by_id(active_position.session_id)?;
1837        Some((session, active_position.clone()))
1838    }
1839
1840    pub fn lsp_store(&self) -> Entity<LspStore> {
1841        self.lsp_store.clone()
1842    }
1843
1844    pub fn worktree_store(&self) -> Entity<WorktreeStore> {
1845        self.worktree_store.clone()
1846    }
1847
1848    pub fn context_server_store(&self) -> Entity<ContextServerStore> {
1849        self.context_server_store.clone()
1850    }
1851
1852    pub fn buffer_for_id(&self, remote_id: BufferId, cx: &App) -> Option<Entity<Buffer>> {
1853        self.buffer_store.read(cx).get(remote_id)
1854    }
1855
1856    pub fn languages(&self) -> &Arc<LanguageRegistry> {
1857        &self.languages
1858    }
1859
1860    pub fn client(&self) -> Arc<Client> {
1861        self.collab_client.clone()
1862    }
1863
1864    pub fn remote_client(&self) -> Option<Entity<RemoteClient>> {
1865        self.remote_client.clone()
1866    }
1867
1868    pub fn user_store(&self) -> Entity<UserStore> {
1869        self.user_store.clone()
1870    }
1871
1872    pub fn node_runtime(&self) -> Option<&NodeRuntime> {
1873        self.node.as_ref()
1874    }
1875
1876    pub fn opened_buffers(&self, cx: &App) -> Vec<Entity<Buffer>> {
1877        self.buffer_store.read(cx).buffers().collect()
1878    }
1879
1880    pub fn environment(&self) -> &Entity<ProjectEnvironment> {
1881        &self.environment
1882    }
1883
1884    pub fn cli_environment(&self, cx: &App) -> Option<HashMap<String, String>> {
1885        self.environment.read(cx).get_cli_environment()
1886    }
1887
1888    pub fn buffer_environment<'a>(
1889        &'a self,
1890        buffer: &Entity<Buffer>,
1891        worktree_store: &Entity<WorktreeStore>,
1892        cx: &'a mut App,
1893    ) -> Shared<Task<Option<HashMap<String, String>>>> {
1894        self.environment.update(cx, |environment, cx| {
1895            environment.get_buffer_environment(buffer, worktree_store, cx)
1896        })
1897    }
1898
1899    pub fn directory_environment(
1900        &self,
1901        abs_path: Arc<Path>,
1902        cx: &mut App,
1903    ) -> Shared<Task<Option<HashMap<String, String>>>> {
1904        self.environment.update(cx, |environment, cx| {
1905            environment.get_directory_environment(abs_path, cx)
1906        })
1907    }
1908
1909    pub fn shell_environment_errors<'a>(
1910        &'a self,
1911        cx: &'a App,
1912    ) -> impl Iterator<Item = (&'a Arc<Path>, &'a EnvironmentErrorMessage)> {
1913        self.environment.read(cx).environment_errors()
1914    }
1915
1916    pub fn remove_environment_error(&mut self, abs_path: &Path, cx: &mut Context<Self>) {
1917        self.environment.update(cx, |environment, cx| {
1918            environment.remove_environment_error(abs_path, cx);
1919        });
1920    }
1921
1922    #[cfg(any(test, feature = "test-support"))]
1923    pub fn has_open_buffer(&self, path: impl Into<ProjectPath>, cx: &App) -> bool {
1924        self.buffer_store
1925            .read(cx)
1926            .get_by_path(&path.into())
1927            .is_some()
1928    }
1929
1930    pub fn fs(&self) -> &Arc<dyn Fs> {
1931        &self.fs
1932    }
1933
1934    pub fn remote_id(&self) -> Option<u64> {
1935        match self.client_state {
1936            ProjectClientState::Local => None,
1937            ProjectClientState::Shared { remote_id, .. }
1938            | ProjectClientState::Remote { remote_id, .. } => Some(remote_id),
1939        }
1940    }
1941
1942    pub fn supports_terminal(&self, _cx: &App) -> bool {
1943        if self.is_local() {
1944            return true;
1945        }
1946        if self.is_via_remote_server() {
1947            return true;
1948        }
1949
1950        false
1951    }
1952
1953    pub fn remote_connection_state(&self, cx: &App) -> Option<remote::ConnectionState> {
1954        self.remote_client
1955            .as_ref()
1956            .map(|remote| remote.read(cx).connection_state())
1957    }
1958
1959    pub fn remote_connection_options(&self, cx: &App) -> Option<RemoteConnectionOptions> {
1960        self.remote_client
1961            .as_ref()
1962            .map(|remote| remote.read(cx).connection_options())
1963    }
1964
1965    pub fn replica_id(&self) -> ReplicaId {
1966        match self.client_state {
1967            ProjectClientState::Remote { replica_id, .. } => replica_id,
1968            _ => {
1969                if self.remote_client.is_some() {
1970                    1
1971                } else {
1972                    0
1973                }
1974            }
1975        }
1976    }
1977
1978    pub fn task_store(&self) -> &Entity<TaskStore> {
1979        &self.task_store
1980    }
1981
1982    pub fn snippets(&self) -> &Entity<SnippetProvider> {
1983        &self.snippets
1984    }
1985
1986    pub fn search_history(&self, kind: SearchInputKind) -> &SearchHistory {
1987        match kind {
1988            SearchInputKind::Query => &self.search_history,
1989            SearchInputKind::Include => &self.search_included_history,
1990            SearchInputKind::Exclude => &self.search_excluded_history,
1991        }
1992    }
1993
1994    pub fn search_history_mut(&mut self, kind: SearchInputKind) -> &mut SearchHistory {
1995        match kind {
1996            SearchInputKind::Query => &mut self.search_history,
1997            SearchInputKind::Include => &mut self.search_included_history,
1998            SearchInputKind::Exclude => &mut self.search_excluded_history,
1999        }
2000    }
2001
2002    pub fn collaborators(&self) -> &HashMap<proto::PeerId, Collaborator> {
2003        &self.collaborators
2004    }
2005
2006    pub fn host(&self) -> Option<&Collaborator> {
2007        self.collaborators.values().find(|c| c.is_host)
2008    }
2009
2010    pub fn set_worktrees_reordered(&mut self, worktrees_reordered: bool, cx: &mut App) {
2011        self.worktree_store.update(cx, |store, _| {
2012            store.set_worktrees_reordered(worktrees_reordered);
2013        });
2014    }
2015
2016    /// Collect all worktrees, including ones that don't appear in the project panel
2017    pub fn worktrees<'a>(
2018        &self,
2019        cx: &'a App,
2020    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
2021        self.worktree_store.read(cx).worktrees()
2022    }
2023
2024    /// Collect all user-visible worktrees, the ones that appear in the project panel.
2025    pub fn visible_worktrees<'a>(
2026        &'a self,
2027        cx: &'a App,
2028    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
2029        self.worktree_store.read(cx).visible_worktrees(cx)
2030    }
2031
2032    pub fn worktree_for_root_name(&self, root_name: &str, cx: &App) -> Option<Entity<Worktree>> {
2033        self.visible_worktrees(cx)
2034            .find(|tree| tree.read(cx).root_name() == root_name)
2035    }
2036
2037    pub fn worktree_root_names<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = &'a str> {
2038        self.visible_worktrees(cx)
2039            .map(|tree| tree.read(cx).root_name())
2040    }
2041
2042    pub fn worktree_for_id(&self, id: WorktreeId, cx: &App) -> Option<Entity<Worktree>> {
2043        self.worktree_store.read(cx).worktree_for_id(id, cx)
2044    }
2045
2046    pub fn worktree_for_entry(
2047        &self,
2048        entry_id: ProjectEntryId,
2049        cx: &App,
2050    ) -> Option<Entity<Worktree>> {
2051        self.worktree_store
2052            .read(cx)
2053            .worktree_for_entry(entry_id, cx)
2054    }
2055
2056    pub fn worktree_id_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<WorktreeId> {
2057        self.worktree_for_entry(entry_id, cx)
2058            .map(|worktree| worktree.read(cx).id())
2059    }
2060
2061    /// Checks if the entry is the root of a worktree.
2062    pub fn entry_is_worktree_root(&self, entry_id: ProjectEntryId, cx: &App) -> bool {
2063        self.worktree_for_entry(entry_id, cx)
2064            .map(|worktree| {
2065                worktree
2066                    .read(cx)
2067                    .root_entry()
2068                    .is_some_and(|e| e.id == entry_id)
2069            })
2070            .unwrap_or(false)
2071    }
2072
2073    pub fn project_path_git_status(
2074        &self,
2075        project_path: &ProjectPath,
2076        cx: &App,
2077    ) -> Option<FileStatus> {
2078        self.git_store
2079            .read(cx)
2080            .project_path_git_status(project_path, cx)
2081    }
2082
2083    pub fn visibility_for_paths(
2084        &self,
2085        paths: &[PathBuf],
2086        metadatas: &[Metadata],
2087        exclude_sub_dirs: bool,
2088        cx: &App,
2089    ) -> Option<bool> {
2090        paths
2091            .iter()
2092            .zip(metadatas)
2093            .map(|(path, metadata)| self.visibility_for_path(path, metadata, exclude_sub_dirs, cx))
2094            .max()
2095            .flatten()
2096    }
2097
2098    pub fn visibility_for_path(
2099        &self,
2100        path: &Path,
2101        metadata: &Metadata,
2102        exclude_sub_dirs: bool,
2103        cx: &App,
2104    ) -> Option<bool> {
2105        let path = SanitizedPath::new(path).as_path();
2106        self.worktrees(cx)
2107            .filter_map(|worktree| {
2108                let worktree = worktree.read(cx);
2109                let abs_path = worktree.as_local()?.abs_path();
2110                let contains = path == abs_path.as_ref()
2111                    || (path.starts_with(abs_path) && (!exclude_sub_dirs || !metadata.is_dir));
2112                contains.then(|| worktree.is_visible())
2113            })
2114            .max()
2115    }
2116
2117    pub fn create_entry(
2118        &mut self,
2119        project_path: impl Into<ProjectPath>,
2120        is_directory: bool,
2121        cx: &mut Context<Self>,
2122    ) -> Task<Result<CreatedEntry>> {
2123        let project_path = project_path.into();
2124        let Some(worktree) = self.worktree_for_id(project_path.worktree_id, cx) else {
2125            return Task::ready(Err(anyhow!(format!(
2126                "No worktree for path {project_path:?}"
2127            ))));
2128        };
2129        worktree.update(cx, |worktree, cx| {
2130            worktree.create_entry(project_path.path, is_directory, None, cx)
2131        })
2132    }
2133
2134    pub fn copy_entry(
2135        &mut self,
2136        entry_id: ProjectEntryId,
2137        relative_worktree_source_path: Option<PathBuf>,
2138        new_path: impl Into<Arc<Path>>,
2139        cx: &mut Context<Self>,
2140    ) -> Task<Result<Option<Entry>>> {
2141        let Some(worktree) = self.worktree_for_entry(entry_id, cx) else {
2142            return Task::ready(Ok(None));
2143        };
2144        worktree.update(cx, |worktree, cx| {
2145            worktree.copy_entry(entry_id, relative_worktree_source_path, new_path, cx)
2146        })
2147    }
2148
2149    /// Renames the project entry with given `entry_id`.
2150    ///
2151    /// `new_path` is a relative path to worktree root.
2152    /// If root entry is renamed then its new root name is used instead.
2153    pub fn rename_entry(
2154        &mut self,
2155        entry_id: ProjectEntryId,
2156        new_path: impl Into<Arc<Path>>,
2157        cx: &mut Context<Self>,
2158    ) -> Task<Result<CreatedEntry>> {
2159        let worktree_store = self.worktree_store.read(cx);
2160        let new_path = new_path.into();
2161        let Some((worktree, old_path, is_dir)) = worktree_store
2162            .worktree_and_entry_for_id(entry_id, cx)
2163            .map(|(worktree, entry)| (worktree, entry.path.clone(), entry.is_dir()))
2164        else {
2165            return Task::ready(Err(anyhow!(format!("No worktree for entry {entry_id:?}"))));
2166        };
2167
2168        let worktree_id = worktree.read(cx).id();
2169        let is_root_entry = self.entry_is_worktree_root(entry_id, cx);
2170
2171        let lsp_store = self.lsp_store().downgrade();
2172        cx.spawn(async move |project, cx| {
2173            let (old_abs_path, new_abs_path) = {
2174                let root_path = worktree.read_with(cx, |this, _| this.abs_path())?;
2175                let new_abs_path = if is_root_entry {
2176                    root_path.parent().unwrap().join(&new_path)
2177                } else {
2178                    root_path.join(&new_path)
2179                };
2180                (root_path.join(&old_path), new_abs_path)
2181            };
2182            let transaction = LspStore::will_rename_entry(
2183                lsp_store.clone(),
2184                worktree_id,
2185                &old_abs_path,
2186                &new_abs_path,
2187                is_dir,
2188                cx.clone(),
2189            )
2190            .await;
2191
2192            let entry = worktree
2193                .update(cx, |worktree, cx| {
2194                    worktree.rename_entry(entry_id, new_path.clone(), cx)
2195                })?
2196                .await?;
2197
2198            project
2199                .update(cx, |_, cx| {
2200                    cx.emit(Event::EntryRenamed(transaction));
2201                })
2202                .ok();
2203
2204            lsp_store
2205                .read_with(cx, |this, _| {
2206                    this.did_rename_entry(worktree_id, &old_abs_path, &new_abs_path, is_dir);
2207                })
2208                .ok();
2209            Ok(entry)
2210        })
2211    }
2212
2213    pub fn delete_file(
2214        &mut self,
2215        path: ProjectPath,
2216        trash: bool,
2217        cx: &mut Context<Self>,
2218    ) -> Option<Task<Result<()>>> {
2219        let entry = self.entry_for_path(&path, cx)?;
2220        self.delete_entry(entry.id, trash, cx)
2221    }
2222
2223    pub fn delete_entry(
2224        &mut self,
2225        entry_id: ProjectEntryId,
2226        trash: bool,
2227        cx: &mut Context<Self>,
2228    ) -> Option<Task<Result<()>>> {
2229        let worktree = self.worktree_for_entry(entry_id, cx)?;
2230        cx.emit(Event::DeletedEntry(worktree.read(cx).id(), entry_id));
2231        worktree.update(cx, |worktree, cx| {
2232            worktree.delete_entry(entry_id, trash, cx)
2233        })
2234    }
2235
2236    pub fn expand_entry(
2237        &mut self,
2238        worktree_id: WorktreeId,
2239        entry_id: ProjectEntryId,
2240        cx: &mut Context<Self>,
2241    ) -> Option<Task<Result<()>>> {
2242        let worktree = self.worktree_for_id(worktree_id, cx)?;
2243        worktree.update(cx, |worktree, cx| worktree.expand_entry(entry_id, cx))
2244    }
2245
2246    pub fn expand_all_for_entry(
2247        &mut self,
2248        worktree_id: WorktreeId,
2249        entry_id: ProjectEntryId,
2250        cx: &mut Context<Self>,
2251    ) -> Option<Task<Result<()>>> {
2252        let worktree = self.worktree_for_id(worktree_id, cx)?;
2253        let task = worktree.update(cx, |worktree, cx| {
2254            worktree.expand_all_for_entry(entry_id, cx)
2255        });
2256        Some(cx.spawn(async move |this, cx| {
2257            task.context("no task")?.await?;
2258            this.update(cx, |_, cx| {
2259                cx.emit(Event::ExpandedAllForEntry(worktree_id, entry_id));
2260            })?;
2261            Ok(())
2262        }))
2263    }
2264
2265    pub fn shared(&mut self, project_id: u64, cx: &mut Context<Self>) -> Result<()> {
2266        anyhow::ensure!(
2267            matches!(self.client_state, ProjectClientState::Local),
2268            "project was already shared"
2269        );
2270
2271        self.client_subscriptions.extend([
2272            self.collab_client
2273                .subscribe_to_entity(project_id)?
2274                .set_entity(&cx.entity(), &cx.to_async()),
2275            self.collab_client
2276                .subscribe_to_entity(project_id)?
2277                .set_entity(&self.worktree_store, &cx.to_async()),
2278            self.collab_client
2279                .subscribe_to_entity(project_id)?
2280                .set_entity(&self.buffer_store, &cx.to_async()),
2281            self.collab_client
2282                .subscribe_to_entity(project_id)?
2283                .set_entity(&self.lsp_store, &cx.to_async()),
2284            self.collab_client
2285                .subscribe_to_entity(project_id)?
2286                .set_entity(&self.settings_observer, &cx.to_async()),
2287            self.collab_client
2288                .subscribe_to_entity(project_id)?
2289                .set_entity(&self.dap_store, &cx.to_async()),
2290            self.collab_client
2291                .subscribe_to_entity(project_id)?
2292                .set_entity(&self.breakpoint_store, &cx.to_async()),
2293            self.collab_client
2294                .subscribe_to_entity(project_id)?
2295                .set_entity(&self.git_store, &cx.to_async()),
2296        ]);
2297
2298        self.buffer_store.update(cx, |buffer_store, cx| {
2299            buffer_store.shared(project_id, self.collab_client.clone().into(), cx)
2300        });
2301        self.worktree_store.update(cx, |worktree_store, cx| {
2302            worktree_store.shared(project_id, self.collab_client.clone().into(), cx);
2303        });
2304        self.lsp_store.update(cx, |lsp_store, cx| {
2305            lsp_store.shared(project_id, self.collab_client.clone().into(), cx)
2306        });
2307        self.breakpoint_store.update(cx, |breakpoint_store, _| {
2308            breakpoint_store.shared(project_id, self.collab_client.clone().into())
2309        });
2310        self.dap_store.update(cx, |dap_store, cx| {
2311            dap_store.shared(project_id, self.collab_client.clone().into(), cx);
2312        });
2313        self.task_store.update(cx, |task_store, cx| {
2314            task_store.shared(project_id, self.collab_client.clone().into(), cx);
2315        });
2316        self.settings_observer.update(cx, |settings_observer, cx| {
2317            settings_observer.shared(project_id, self.collab_client.clone().into(), cx)
2318        });
2319        self.git_store.update(cx, |git_store, cx| {
2320            git_store.shared(project_id, self.collab_client.clone().into(), cx)
2321        });
2322
2323        self.client_state = ProjectClientState::Shared {
2324            remote_id: project_id,
2325        };
2326
2327        cx.emit(Event::RemoteIdChanged(Some(project_id)));
2328        Ok(())
2329    }
2330
2331    pub fn reshared(
2332        &mut self,
2333        message: proto::ResharedProject,
2334        cx: &mut Context<Self>,
2335    ) -> Result<()> {
2336        self.buffer_store
2337            .update(cx, |buffer_store, _| buffer_store.forget_shared_buffers());
2338        self.set_collaborators_from_proto(message.collaborators, cx)?;
2339
2340        self.worktree_store.update(cx, |worktree_store, cx| {
2341            worktree_store.send_project_updates(cx);
2342        });
2343        if let Some(remote_id) = self.remote_id() {
2344            self.git_store.update(cx, |git_store, cx| {
2345                git_store.shared(remote_id, self.collab_client.clone().into(), cx)
2346            });
2347        }
2348        cx.emit(Event::Reshared);
2349        Ok(())
2350    }
2351
2352    pub fn rejoined(
2353        &mut self,
2354        message: proto::RejoinedProject,
2355        message_id: u32,
2356        cx: &mut Context<Self>,
2357    ) -> Result<()> {
2358        cx.update_global::<SettingsStore, _>(|store, cx| {
2359            self.worktree_store.update(cx, |worktree_store, cx| {
2360                for worktree in worktree_store.worktrees() {
2361                    store
2362                        .clear_local_settings(worktree.read(cx).id(), cx)
2363                        .log_err();
2364                }
2365            });
2366        });
2367
2368        self.join_project_response_message_id = message_id;
2369        self.set_worktrees_from_proto(message.worktrees, cx)?;
2370        self.set_collaborators_from_proto(message.collaborators, cx)?;
2371
2372        let project = cx.weak_entity();
2373        self.lsp_store.update(cx, |lsp_store, cx| {
2374            lsp_store.set_language_server_statuses_from_proto(
2375                project,
2376                message.language_servers,
2377                message.language_server_capabilities,
2378                cx,
2379            )
2380        });
2381        self.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
2382            .unwrap();
2383        cx.emit(Event::Rejoined);
2384        Ok(())
2385    }
2386
2387    pub fn unshare(&mut self, cx: &mut Context<Self>) -> Result<()> {
2388        self.unshare_internal(cx)?;
2389        cx.emit(Event::RemoteIdChanged(None));
2390        Ok(())
2391    }
2392
2393    fn unshare_internal(&mut self, cx: &mut App) -> Result<()> {
2394        anyhow::ensure!(
2395            !self.is_via_collab(),
2396            "attempted to unshare a remote project"
2397        );
2398
2399        if let ProjectClientState::Shared { remote_id, .. } = self.client_state {
2400            self.client_state = ProjectClientState::Local;
2401            self.collaborators.clear();
2402            self.client_subscriptions.clear();
2403            self.worktree_store.update(cx, |store, cx| {
2404                store.unshared(cx);
2405            });
2406            self.buffer_store.update(cx, |buffer_store, cx| {
2407                buffer_store.forget_shared_buffers();
2408                buffer_store.unshared(cx)
2409            });
2410            self.task_store.update(cx, |task_store, cx| {
2411                task_store.unshared(cx);
2412            });
2413            self.breakpoint_store.update(cx, |breakpoint_store, cx| {
2414                breakpoint_store.unshared(cx);
2415            });
2416            self.dap_store.update(cx, |dap_store, cx| {
2417                dap_store.unshared(cx);
2418            });
2419            self.settings_observer.update(cx, |settings_observer, cx| {
2420                settings_observer.unshared(cx);
2421            });
2422            self.git_store.update(cx, |git_store, cx| {
2423                git_store.unshared(cx);
2424            });
2425
2426            self.collab_client
2427                .send(proto::UnshareProject {
2428                    project_id: remote_id,
2429                })
2430                .ok();
2431            Ok(())
2432        } else {
2433            anyhow::bail!("attempted to unshare an unshared project");
2434        }
2435    }
2436
2437    pub fn disconnected_from_host(&mut self, cx: &mut Context<Self>) {
2438        if self.is_disconnected(cx) {
2439            return;
2440        }
2441        self.disconnected_from_host_internal(cx);
2442        cx.emit(Event::DisconnectedFromHost);
2443    }
2444
2445    pub fn set_role(&mut self, role: proto::ChannelRole, cx: &mut Context<Self>) {
2446        let new_capability =
2447            if role == proto::ChannelRole::Member || role == proto::ChannelRole::Admin {
2448                Capability::ReadWrite
2449            } else {
2450                Capability::ReadOnly
2451            };
2452        if let ProjectClientState::Remote { capability, .. } = &mut self.client_state {
2453            if *capability == new_capability {
2454                return;
2455            }
2456
2457            *capability = new_capability;
2458            for buffer in self.opened_buffers(cx) {
2459                buffer.update(cx, |buffer, cx| buffer.set_capability(new_capability, cx));
2460            }
2461        }
2462    }
2463
2464    fn disconnected_from_host_internal(&mut self, cx: &mut App) {
2465        if let ProjectClientState::Remote {
2466            sharing_has_stopped,
2467            ..
2468        } = &mut self.client_state
2469        {
2470            *sharing_has_stopped = true;
2471            self.collaborators.clear();
2472            self.worktree_store.update(cx, |store, cx| {
2473                store.disconnected_from_host(cx);
2474            });
2475            self.buffer_store.update(cx, |buffer_store, cx| {
2476                buffer_store.disconnected_from_host(cx)
2477            });
2478            self.lsp_store
2479                .update(cx, |lsp_store, _cx| lsp_store.disconnected_from_host());
2480        }
2481    }
2482
2483    pub fn close(&mut self, cx: &mut Context<Self>) {
2484        cx.emit(Event::Closed);
2485    }
2486
2487    pub fn is_disconnected(&self, cx: &App) -> bool {
2488        match &self.client_state {
2489            ProjectClientState::Remote {
2490                sharing_has_stopped,
2491                ..
2492            } => *sharing_has_stopped,
2493            ProjectClientState::Local if self.is_via_remote_server() => {
2494                self.remote_client_is_disconnected(cx)
2495            }
2496            _ => false,
2497        }
2498    }
2499
2500    fn remote_client_is_disconnected(&self, cx: &App) -> bool {
2501        self.remote_client
2502            .as_ref()
2503            .map(|remote| remote.read(cx).is_disconnected())
2504            .unwrap_or(false)
2505    }
2506
2507    pub fn capability(&self) -> Capability {
2508        match &self.client_state {
2509            ProjectClientState::Remote { capability, .. } => *capability,
2510            ProjectClientState::Shared { .. } | ProjectClientState::Local => Capability::ReadWrite,
2511        }
2512    }
2513
2514    pub fn is_read_only(&self, cx: &App) -> bool {
2515        self.is_disconnected(cx) || self.capability() == Capability::ReadOnly
2516    }
2517
2518    pub fn is_local(&self) -> bool {
2519        match &self.client_state {
2520            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2521                self.remote_client.is_none()
2522            }
2523            ProjectClientState::Remote { .. } => false,
2524        }
2525    }
2526
2527    pub fn is_via_remote_server(&self) -> bool {
2528        match &self.client_state {
2529            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2530                self.remote_client.is_some()
2531            }
2532            ProjectClientState::Remote { .. } => false,
2533        }
2534    }
2535
2536    pub fn is_via_collab(&self) -> bool {
2537        match &self.client_state {
2538            ProjectClientState::Local | ProjectClientState::Shared { .. } => false,
2539            ProjectClientState::Remote { .. } => true,
2540        }
2541    }
2542
2543    pub fn create_buffer(
2544        &mut self,
2545        searchable: bool,
2546        cx: &mut Context<Self>,
2547    ) -> Task<Result<Entity<Buffer>>> {
2548        self.buffer_store.update(cx, |buffer_store, cx| {
2549            buffer_store.create_buffer(searchable, cx)
2550        })
2551    }
2552
2553    pub fn create_local_buffer(
2554        &mut self,
2555        text: &str,
2556        language: Option<Arc<Language>>,
2557        project_searchable: bool,
2558        cx: &mut Context<Self>,
2559    ) -> Entity<Buffer> {
2560        if self.is_via_collab() || self.is_via_remote_server() {
2561            panic!("called create_local_buffer on a remote project")
2562        }
2563        self.buffer_store.update(cx, |buffer_store, cx| {
2564            buffer_store.create_local_buffer(text, language, project_searchable, cx)
2565        })
2566    }
2567
2568    pub fn open_path(
2569        &mut self,
2570        path: ProjectPath,
2571        cx: &mut Context<Self>,
2572    ) -> Task<Result<(Option<ProjectEntryId>, Entity<Buffer>)>> {
2573        let task = self.open_buffer(path, cx);
2574        cx.spawn(async move |_project, cx| {
2575            let buffer = task.await?;
2576            let project_entry_id = buffer.read_with(cx, |buffer, cx| {
2577                File::from_dyn(buffer.file()).and_then(|file| file.project_entry_id(cx))
2578            })?;
2579
2580            Ok((project_entry_id, buffer))
2581        })
2582    }
2583
2584    pub fn open_local_buffer(
2585        &mut self,
2586        abs_path: impl AsRef<Path>,
2587        cx: &mut Context<Self>,
2588    ) -> Task<Result<Entity<Buffer>>> {
2589        let worktree_task = self.find_or_create_worktree(abs_path.as_ref(), false, cx);
2590        cx.spawn(async move |this, cx| {
2591            let (worktree, relative_path) = worktree_task.await?;
2592            this.update(cx, |this, cx| {
2593                this.open_buffer((worktree.read(cx).id(), relative_path), cx)
2594            })?
2595            .await
2596        })
2597    }
2598
2599    #[cfg(any(test, feature = "test-support"))]
2600    pub fn open_local_buffer_with_lsp(
2601        &mut self,
2602        abs_path: impl AsRef<Path>,
2603        cx: &mut Context<Self>,
2604    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
2605        if let Some((worktree, relative_path)) = self.find_worktree(abs_path.as_ref(), cx) {
2606            self.open_buffer_with_lsp((worktree.read(cx).id(), relative_path), cx)
2607        } else {
2608            Task::ready(Err(anyhow!("no such path")))
2609        }
2610    }
2611
2612    pub fn open_buffer(
2613        &mut self,
2614        path: impl Into<ProjectPath>,
2615        cx: &mut App,
2616    ) -> Task<Result<Entity<Buffer>>> {
2617        if self.is_disconnected(cx) {
2618            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2619        }
2620
2621        self.buffer_store.update(cx, |buffer_store, cx| {
2622            buffer_store.open_buffer(path.into(), cx)
2623        })
2624    }
2625
2626    #[cfg(any(test, feature = "test-support"))]
2627    pub fn open_buffer_with_lsp(
2628        &mut self,
2629        path: impl Into<ProjectPath>,
2630        cx: &mut Context<Self>,
2631    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
2632        let buffer = self.open_buffer(path, cx);
2633        cx.spawn(async move |this, cx| {
2634            let buffer = buffer.await?;
2635            let handle = this.update(cx, |project, cx| {
2636                project.register_buffer_with_language_servers(&buffer, cx)
2637            })?;
2638            Ok((buffer, handle))
2639        })
2640    }
2641
2642    pub fn register_buffer_with_language_servers(
2643        &self,
2644        buffer: &Entity<Buffer>,
2645        cx: &mut App,
2646    ) -> OpenLspBufferHandle {
2647        self.lsp_store.update(cx, |lsp_store, cx| {
2648            lsp_store.register_buffer_with_language_servers(buffer, HashSet::default(), false, cx)
2649        })
2650    }
2651
2652    pub fn open_unstaged_diff(
2653        &mut self,
2654        buffer: Entity<Buffer>,
2655        cx: &mut Context<Self>,
2656    ) -> Task<Result<Entity<BufferDiff>>> {
2657        if self.is_disconnected(cx) {
2658            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2659        }
2660        self.git_store
2661            .update(cx, |git_store, cx| git_store.open_unstaged_diff(buffer, cx))
2662    }
2663
2664    pub fn open_uncommitted_diff(
2665        &mut self,
2666        buffer: Entity<Buffer>,
2667        cx: &mut Context<Self>,
2668    ) -> Task<Result<Entity<BufferDiff>>> {
2669        if self.is_disconnected(cx) {
2670            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2671        }
2672        self.git_store.update(cx, |git_store, cx| {
2673            git_store.open_uncommitted_diff(buffer, cx)
2674        })
2675    }
2676
2677    pub fn open_buffer_by_id(
2678        &mut self,
2679        id: BufferId,
2680        cx: &mut Context<Self>,
2681    ) -> Task<Result<Entity<Buffer>>> {
2682        if let Some(buffer) = self.buffer_for_id(id, cx) {
2683            Task::ready(Ok(buffer))
2684        } else if self.is_local() || self.is_via_remote_server() {
2685            Task::ready(Err(anyhow!("buffer {id} does not exist")))
2686        } else if let Some(project_id) = self.remote_id() {
2687            let request = self.collab_client.request(proto::OpenBufferById {
2688                project_id,
2689                id: id.into(),
2690            });
2691            cx.spawn(async move |project, cx| {
2692                let buffer_id = BufferId::new(request.await?.buffer_id)?;
2693                project
2694                    .update(cx, |project, cx| {
2695                        project.buffer_store.update(cx, |buffer_store, cx| {
2696                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
2697                        })
2698                    })?
2699                    .await
2700            })
2701        } else {
2702            Task::ready(Err(anyhow!("cannot open buffer while disconnected")))
2703        }
2704    }
2705
2706    pub fn save_buffers(
2707        &self,
2708        buffers: HashSet<Entity<Buffer>>,
2709        cx: &mut Context<Self>,
2710    ) -> Task<Result<()>> {
2711        cx.spawn(async move |this, cx| {
2712            let save_tasks = buffers.into_iter().filter_map(|buffer| {
2713                this.update(cx, |this, cx| this.save_buffer(buffer, cx))
2714                    .ok()
2715            });
2716            try_join_all(save_tasks).await?;
2717            Ok(())
2718        })
2719    }
2720
2721    pub fn save_buffer(&self, buffer: Entity<Buffer>, cx: &mut Context<Self>) -> Task<Result<()>> {
2722        self.buffer_store
2723            .update(cx, |buffer_store, cx| buffer_store.save_buffer(buffer, cx))
2724    }
2725
2726    pub fn save_buffer_as(
2727        &mut self,
2728        buffer: Entity<Buffer>,
2729        path: ProjectPath,
2730        cx: &mut Context<Self>,
2731    ) -> Task<Result<()>> {
2732        self.buffer_store.update(cx, |buffer_store, cx| {
2733            buffer_store.save_buffer_as(buffer.clone(), path, cx)
2734        })
2735    }
2736
2737    pub fn get_open_buffer(&self, path: &ProjectPath, cx: &App) -> Option<Entity<Buffer>> {
2738        self.buffer_store.read(cx).get_by_path(path)
2739    }
2740
2741    fn register_buffer(&mut self, buffer: &Entity<Buffer>, cx: &mut Context<Self>) -> Result<()> {
2742        {
2743            let mut remotely_created_models = self.remotely_created_models.lock();
2744            if remotely_created_models.retain_count > 0 {
2745                remotely_created_models.buffers.push(buffer.clone())
2746            }
2747        }
2748
2749        self.request_buffer_diff_recalculation(buffer, cx);
2750
2751        cx.subscribe(buffer, |this, buffer, event, cx| {
2752            this.on_buffer_event(buffer, event, cx);
2753        })
2754        .detach();
2755
2756        Ok(())
2757    }
2758
2759    pub fn open_image(
2760        &mut self,
2761        path: impl Into<ProjectPath>,
2762        cx: &mut Context<Self>,
2763    ) -> Task<Result<Entity<ImageItem>>> {
2764        if self.is_disconnected(cx) {
2765            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2766        }
2767
2768        let open_image_task = self.image_store.update(cx, |image_store, cx| {
2769            image_store.open_image(path.into(), cx)
2770        });
2771
2772        let weak_project = cx.entity().downgrade();
2773        cx.spawn(async move |_, cx| {
2774            let image_item = open_image_task.await?;
2775            let project = weak_project.upgrade().context("Project dropped")?;
2776
2777            let metadata = ImageItem::load_image_metadata(image_item.clone(), project, cx).await?;
2778            image_item.update(cx, |image_item, cx| {
2779                image_item.image_metadata = Some(metadata);
2780                cx.emit(ImageItemEvent::MetadataUpdated);
2781            })?;
2782
2783            Ok(image_item)
2784        })
2785    }
2786
2787    async fn send_buffer_ordered_messages(
2788        project: WeakEntity<Self>,
2789        rx: UnboundedReceiver<BufferOrderedMessage>,
2790        cx: &mut AsyncApp,
2791    ) -> Result<()> {
2792        const MAX_BATCH_SIZE: usize = 128;
2793
2794        let mut operations_by_buffer_id = HashMap::default();
2795        async fn flush_operations(
2796            this: &WeakEntity<Project>,
2797            operations_by_buffer_id: &mut HashMap<BufferId, Vec<proto::Operation>>,
2798            needs_resync_with_host: &mut bool,
2799            is_local: bool,
2800            cx: &mut AsyncApp,
2801        ) -> Result<()> {
2802            for (buffer_id, operations) in operations_by_buffer_id.drain() {
2803                let request = this.read_with(cx, |this, _| {
2804                    let project_id = this.remote_id()?;
2805                    Some(this.collab_client.request(proto::UpdateBuffer {
2806                        buffer_id: buffer_id.into(),
2807                        project_id,
2808                        operations,
2809                    }))
2810                })?;
2811                if let Some(request) = request
2812                    && request.await.is_err()
2813                    && !is_local
2814                {
2815                    *needs_resync_with_host = true;
2816                    break;
2817                }
2818            }
2819            Ok(())
2820        }
2821
2822        let mut needs_resync_with_host = false;
2823        let mut changes = rx.ready_chunks(MAX_BATCH_SIZE);
2824
2825        while let Some(changes) = changes.next().await {
2826            let is_local = project.read_with(cx, |this, _| this.is_local())?;
2827
2828            for change in changes {
2829                match change {
2830                    BufferOrderedMessage::Operation {
2831                        buffer_id,
2832                        operation,
2833                    } => {
2834                        if needs_resync_with_host {
2835                            continue;
2836                        }
2837
2838                        operations_by_buffer_id
2839                            .entry(buffer_id)
2840                            .or_insert(Vec::new())
2841                            .push(operation);
2842                    }
2843
2844                    BufferOrderedMessage::Resync => {
2845                        operations_by_buffer_id.clear();
2846                        if project
2847                            .update(cx, |this, cx| this.synchronize_remote_buffers(cx))?
2848                            .await
2849                            .is_ok()
2850                        {
2851                            needs_resync_with_host = false;
2852                        }
2853                    }
2854
2855                    BufferOrderedMessage::LanguageServerUpdate {
2856                        language_server_id,
2857                        message,
2858                        name,
2859                    } => {
2860                        flush_operations(
2861                            &project,
2862                            &mut operations_by_buffer_id,
2863                            &mut needs_resync_with_host,
2864                            is_local,
2865                            cx,
2866                        )
2867                        .await?;
2868
2869                        project.read_with(cx, |project, _| {
2870                            if let Some(project_id) = project.remote_id() {
2871                                project
2872                                    .collab_client
2873                                    .send(proto::UpdateLanguageServer {
2874                                        project_id,
2875                                        server_name: name.map(|name| String::from(name.0)),
2876                                        language_server_id: language_server_id.to_proto(),
2877                                        variant: Some(message),
2878                                    })
2879                                    .log_err();
2880                            }
2881                        })?;
2882                    }
2883                }
2884            }
2885
2886            flush_operations(
2887                &project,
2888                &mut operations_by_buffer_id,
2889                &mut needs_resync_with_host,
2890                is_local,
2891                cx,
2892            )
2893            .await?;
2894        }
2895
2896        Ok(())
2897    }
2898
2899    fn on_buffer_store_event(
2900        &mut self,
2901        _: Entity<BufferStore>,
2902        event: &BufferStoreEvent,
2903        cx: &mut Context<Self>,
2904    ) {
2905        match event {
2906            BufferStoreEvent::BufferAdded(buffer) => {
2907                self.register_buffer(buffer, cx).log_err();
2908            }
2909            BufferStoreEvent::BufferDropped(buffer_id) => {
2910                if let Some(ref remote_client) = self.remote_client {
2911                    remote_client
2912                        .read(cx)
2913                        .proto_client()
2914                        .send(proto::CloseBuffer {
2915                            project_id: 0,
2916                            buffer_id: buffer_id.to_proto(),
2917                        })
2918                        .log_err();
2919                }
2920            }
2921            _ => {}
2922        }
2923    }
2924
2925    fn on_image_store_event(
2926        &mut self,
2927        _: Entity<ImageStore>,
2928        event: &ImageStoreEvent,
2929        cx: &mut Context<Self>,
2930    ) {
2931        match event {
2932            ImageStoreEvent::ImageAdded(image) => {
2933                cx.subscribe(image, |this, image, event, cx| {
2934                    this.on_image_event(image, event, cx);
2935                })
2936                .detach();
2937            }
2938        }
2939    }
2940
2941    fn on_dap_store_event(
2942        &mut self,
2943        _: Entity<DapStore>,
2944        event: &DapStoreEvent,
2945        cx: &mut Context<Self>,
2946    ) {
2947        if let DapStoreEvent::Notification(message) = event {
2948            cx.emit(Event::Toast {
2949                notification_id: "dap".into(),
2950                message: message.clone(),
2951            });
2952        }
2953    }
2954
2955    fn on_lsp_store_event(
2956        &mut self,
2957        _: Entity<LspStore>,
2958        event: &LspStoreEvent,
2959        cx: &mut Context<Self>,
2960    ) {
2961        match event {
2962            LspStoreEvent::DiagnosticsUpdated { server_id, paths } => {
2963                cx.emit(Event::DiagnosticsUpdated {
2964                    paths: paths.clone(),
2965                    language_server_id: *server_id,
2966                })
2967            }
2968            LspStoreEvent::LanguageServerAdded(server_id, name, worktree_id) => cx.emit(
2969                Event::LanguageServerAdded(*server_id, name.clone(), *worktree_id),
2970            ),
2971            LspStoreEvent::LanguageServerRemoved(server_id) => {
2972                cx.emit(Event::LanguageServerRemoved(*server_id))
2973            }
2974            LspStoreEvent::LanguageServerLog(server_id, log_type, string) => cx.emit(
2975                Event::LanguageServerLog(*server_id, log_type.clone(), string.clone()),
2976            ),
2977            LspStoreEvent::LanguageDetected {
2978                buffer,
2979                new_language,
2980            } => {
2981                let Some(_) = new_language else {
2982                    cx.emit(Event::LanguageNotFound(buffer.clone()));
2983                    return;
2984                };
2985            }
2986            LspStoreEvent::RefreshInlayHints => cx.emit(Event::RefreshInlayHints),
2987            LspStoreEvent::RefreshCodeLens => cx.emit(Event::RefreshCodeLens),
2988            LspStoreEvent::LanguageServerPrompt(prompt) => {
2989                cx.emit(Event::LanguageServerPrompt(prompt.clone()))
2990            }
2991            LspStoreEvent::DiskBasedDiagnosticsStarted { language_server_id } => {
2992                cx.emit(Event::DiskBasedDiagnosticsStarted {
2993                    language_server_id: *language_server_id,
2994                });
2995            }
2996            LspStoreEvent::DiskBasedDiagnosticsFinished { language_server_id } => {
2997                cx.emit(Event::DiskBasedDiagnosticsFinished {
2998                    language_server_id: *language_server_id,
2999                });
3000            }
3001            LspStoreEvent::LanguageServerUpdate {
3002                language_server_id,
3003                name,
3004                message,
3005            } => {
3006                if self.is_local() {
3007                    self.enqueue_buffer_ordered_message(
3008                        BufferOrderedMessage::LanguageServerUpdate {
3009                            language_server_id: *language_server_id,
3010                            message: message.clone(),
3011                            name: name.clone(),
3012                        },
3013                    )
3014                    .ok();
3015                }
3016
3017                match message {
3018                    proto::update_language_server::Variant::MetadataUpdated(update) => {
3019                        if let Some(capabilities) = update
3020                            .capabilities
3021                            .as_ref()
3022                            .and_then(|capabilities| serde_json::from_str(capabilities).ok())
3023                        {
3024                            self.lsp_store.update(cx, |lsp_store, _| {
3025                                lsp_store
3026                                    .lsp_server_capabilities
3027                                    .insert(*language_server_id, capabilities);
3028                            });
3029                        }
3030                    }
3031                    proto::update_language_server::Variant::RegisteredForBuffer(update) => {
3032                        if let Some(buffer_id) = BufferId::new(update.buffer_id).ok() {
3033                            cx.emit(Event::LanguageServerBufferRegistered {
3034                                buffer_id,
3035                                server_id: *language_server_id,
3036                                buffer_abs_path: PathBuf::from(&update.buffer_abs_path),
3037                                name: name.clone(),
3038                            });
3039                        }
3040                    }
3041                    _ => (),
3042                }
3043            }
3044            LspStoreEvent::Notification(message) => cx.emit(Event::Toast {
3045                notification_id: "lsp".into(),
3046                message: message.clone(),
3047            }),
3048            LspStoreEvent::SnippetEdit {
3049                buffer_id,
3050                edits,
3051                most_recent_edit,
3052            } => {
3053                if most_recent_edit.replica_id == self.replica_id() {
3054                    cx.emit(Event::SnippetEdit(*buffer_id, edits.clone()))
3055                }
3056            }
3057        }
3058    }
3059
3060    fn on_remote_client_event(
3061        &mut self,
3062        _: Entity<RemoteClient>,
3063        event: &remote::RemoteClientEvent,
3064        cx: &mut Context<Self>,
3065    ) {
3066        match event {
3067            remote::RemoteClientEvent::Disconnected => {
3068                self.worktree_store.update(cx, |store, cx| {
3069                    store.disconnected_from_host(cx);
3070                });
3071                self.buffer_store.update(cx, |buffer_store, cx| {
3072                    buffer_store.disconnected_from_host(cx)
3073                });
3074                self.lsp_store.update(cx, |lsp_store, _cx| {
3075                    lsp_store.disconnected_from_ssh_remote()
3076                });
3077                cx.emit(Event::DisconnectedFromSshRemote);
3078            }
3079        }
3080    }
3081
3082    fn on_settings_observer_event(
3083        &mut self,
3084        _: Entity<SettingsObserver>,
3085        event: &SettingsObserverEvent,
3086        cx: &mut Context<Self>,
3087    ) {
3088        match event {
3089            SettingsObserverEvent::LocalSettingsUpdated(result) => match result {
3090                Err(InvalidSettingsError::LocalSettings { message, path }) => {
3091                    let message = format!("Failed to set local settings in {path:?}:\n{message}");
3092                    cx.emit(Event::Toast {
3093                        notification_id: format!("local-settings-{path:?}").into(),
3094                        message,
3095                    });
3096                }
3097                Ok(path) => cx.emit(Event::HideToast {
3098                    notification_id: format!("local-settings-{path:?}").into(),
3099                }),
3100                Err(_) => {}
3101            },
3102            SettingsObserverEvent::LocalTasksUpdated(result) => match result {
3103                Err(InvalidSettingsError::Tasks { message, path }) => {
3104                    let message = format!("Failed to set local tasks in {path:?}:\n{message}");
3105                    cx.emit(Event::Toast {
3106                        notification_id: format!("local-tasks-{path:?}").into(),
3107                        message,
3108                    });
3109                }
3110                Ok(path) => cx.emit(Event::HideToast {
3111                    notification_id: format!("local-tasks-{path:?}").into(),
3112                }),
3113                Err(_) => {}
3114            },
3115            SettingsObserverEvent::LocalDebugScenariosUpdated(result) => match result {
3116                Err(InvalidSettingsError::Debug { message, path }) => {
3117                    let message =
3118                        format!("Failed to set local debug scenarios in {path:?}:\n{message}");
3119                    cx.emit(Event::Toast {
3120                        notification_id: format!("local-debug-scenarios-{path:?}").into(),
3121                        message,
3122                    });
3123                }
3124                Ok(path) => cx.emit(Event::HideToast {
3125                    notification_id: format!("local-debug-scenarios-{path:?}").into(),
3126                }),
3127                Err(_) => {}
3128            },
3129        }
3130    }
3131
3132    fn on_worktree_store_event(
3133        &mut self,
3134        _: Entity<WorktreeStore>,
3135        event: &WorktreeStoreEvent,
3136        cx: &mut Context<Self>,
3137    ) {
3138        match event {
3139            WorktreeStoreEvent::WorktreeAdded(worktree) => {
3140                self.on_worktree_added(worktree, cx);
3141                cx.emit(Event::WorktreeAdded(worktree.read(cx).id()));
3142            }
3143            WorktreeStoreEvent::WorktreeRemoved(_, id) => {
3144                cx.emit(Event::WorktreeRemoved(*id));
3145            }
3146            WorktreeStoreEvent::WorktreeReleased(_, id) => {
3147                self.on_worktree_released(*id, cx);
3148            }
3149            WorktreeStoreEvent::WorktreeOrderChanged => cx.emit(Event::WorktreeOrderChanged),
3150            WorktreeStoreEvent::WorktreeUpdateSent(_) => {}
3151            WorktreeStoreEvent::WorktreeUpdatedEntries(worktree_id, changes) => {
3152                self.client()
3153                    .telemetry()
3154                    .report_discovered_project_type_events(*worktree_id, changes);
3155                cx.emit(Event::WorktreeUpdatedEntries(*worktree_id, changes.clone()))
3156            }
3157            WorktreeStoreEvent::WorktreeDeletedEntry(worktree_id, id) => {
3158                cx.emit(Event::DeletedEntry(*worktree_id, *id))
3159            }
3160            // Listen to the GitStore instead.
3161            WorktreeStoreEvent::WorktreeUpdatedGitRepositories(_, _) => {}
3162        }
3163    }
3164
3165    fn on_worktree_added(&mut self, worktree: &Entity<Worktree>, _: &mut Context<Self>) {
3166        let mut remotely_created_models = self.remotely_created_models.lock();
3167        if remotely_created_models.retain_count > 0 {
3168            remotely_created_models.worktrees.push(worktree.clone())
3169        }
3170    }
3171
3172    fn on_worktree_released(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
3173        if let Some(remote) = &self.remote_client {
3174            remote
3175                .read(cx)
3176                .proto_client()
3177                .send(proto::RemoveWorktree {
3178                    worktree_id: id_to_remove.to_proto(),
3179                })
3180                .log_err();
3181        }
3182    }
3183
3184    fn on_buffer_event(
3185        &mut self,
3186        buffer: Entity<Buffer>,
3187        event: &BufferEvent,
3188        cx: &mut Context<Self>,
3189    ) -> Option<()> {
3190        if matches!(event, BufferEvent::Edited | BufferEvent::Reloaded) {
3191            self.request_buffer_diff_recalculation(&buffer, cx);
3192        }
3193
3194        let buffer_id = buffer.read(cx).remote_id();
3195        match event {
3196            BufferEvent::ReloadNeeded => {
3197                if !self.is_via_collab() {
3198                    self.reload_buffers([buffer.clone()].into_iter().collect(), true, cx)
3199                        .detach_and_log_err(cx);
3200                }
3201            }
3202            BufferEvent::Operation {
3203                operation,
3204                is_local: true,
3205            } => {
3206                let operation = language::proto::serialize_operation(operation);
3207
3208                if let Some(remote) = &self.remote_client {
3209                    remote
3210                        .read(cx)
3211                        .proto_client()
3212                        .send(proto::UpdateBuffer {
3213                            project_id: 0,
3214                            buffer_id: buffer_id.to_proto(),
3215                            operations: vec![operation.clone()],
3216                        })
3217                        .ok();
3218                }
3219
3220                self.enqueue_buffer_ordered_message(BufferOrderedMessage::Operation {
3221                    buffer_id,
3222                    operation,
3223                })
3224                .ok();
3225            }
3226
3227            _ => {}
3228        }
3229
3230        None
3231    }
3232
3233    fn on_image_event(
3234        &mut self,
3235        image: Entity<ImageItem>,
3236        event: &ImageItemEvent,
3237        cx: &mut Context<Self>,
3238    ) -> Option<()> {
3239        if let ImageItemEvent::ReloadNeeded = event
3240            && !self.is_via_collab()
3241        {
3242            self.reload_images([image].into_iter().collect(), cx)
3243                .detach_and_log_err(cx);
3244        }
3245
3246        None
3247    }
3248
3249    fn request_buffer_diff_recalculation(
3250        &mut self,
3251        buffer: &Entity<Buffer>,
3252        cx: &mut Context<Self>,
3253    ) {
3254        self.buffers_needing_diff.insert(buffer.downgrade());
3255        let first_insertion = self.buffers_needing_diff.len() == 1;
3256
3257        let settings = ProjectSettings::get_global(cx);
3258        let delay = if let Some(delay) = settings.git.gutter_debounce {
3259            delay
3260        } else {
3261            if first_insertion {
3262                let this = cx.weak_entity();
3263                cx.defer(move |cx| {
3264                    if let Some(this) = this.upgrade() {
3265                        this.update(cx, |this, cx| {
3266                            this.recalculate_buffer_diffs(cx).detach();
3267                        });
3268                    }
3269                });
3270            }
3271            return;
3272        };
3273
3274        const MIN_DELAY: u64 = 50;
3275        let delay = delay.max(MIN_DELAY);
3276        let duration = Duration::from_millis(delay);
3277
3278        self.git_diff_debouncer
3279            .fire_new(duration, cx, move |this, cx| {
3280                this.recalculate_buffer_diffs(cx)
3281            });
3282    }
3283
3284    fn recalculate_buffer_diffs(&mut self, cx: &mut Context<Self>) -> Task<()> {
3285        cx.spawn(async move |this, cx| {
3286            loop {
3287                let task = this
3288                    .update(cx, |this, cx| {
3289                        let buffers = this
3290                            .buffers_needing_diff
3291                            .drain()
3292                            .filter_map(|buffer| buffer.upgrade())
3293                            .collect::<Vec<_>>();
3294                        if buffers.is_empty() {
3295                            None
3296                        } else {
3297                            Some(this.git_store.update(cx, |git_store, cx| {
3298                                git_store.recalculate_buffer_diffs(buffers, cx)
3299                            }))
3300                        }
3301                    })
3302                    .ok()
3303                    .flatten();
3304
3305                if let Some(task) = task {
3306                    task.await;
3307                } else {
3308                    break;
3309                }
3310            }
3311        })
3312    }
3313
3314    pub fn set_language_for_buffer(
3315        &mut self,
3316        buffer: &Entity<Buffer>,
3317        new_language: Arc<Language>,
3318        cx: &mut Context<Self>,
3319    ) {
3320        self.lsp_store.update(cx, |lsp_store, cx| {
3321            lsp_store.set_language_for_buffer(buffer, new_language, cx)
3322        })
3323    }
3324
3325    pub fn restart_language_servers_for_buffers(
3326        &mut self,
3327        buffers: Vec<Entity<Buffer>>,
3328        only_restart_servers: HashSet<LanguageServerSelector>,
3329        cx: &mut Context<Self>,
3330    ) {
3331        self.lsp_store.update(cx, |lsp_store, cx| {
3332            lsp_store.restart_language_servers_for_buffers(buffers, only_restart_servers, cx)
3333        })
3334    }
3335
3336    pub fn stop_language_servers_for_buffers(
3337        &mut self,
3338        buffers: Vec<Entity<Buffer>>,
3339        also_restart_servers: HashSet<LanguageServerSelector>,
3340        cx: &mut Context<Self>,
3341    ) {
3342        self.lsp_store
3343            .update(cx, |lsp_store, cx| {
3344                lsp_store.stop_language_servers_for_buffers(buffers, also_restart_servers, cx)
3345            })
3346            .detach_and_log_err(cx);
3347    }
3348
3349    pub fn cancel_language_server_work_for_buffers(
3350        &mut self,
3351        buffers: impl IntoIterator<Item = Entity<Buffer>>,
3352        cx: &mut Context<Self>,
3353    ) {
3354        self.lsp_store.update(cx, |lsp_store, cx| {
3355            lsp_store.cancel_language_server_work_for_buffers(buffers, cx)
3356        })
3357    }
3358
3359    pub fn cancel_language_server_work(
3360        &mut self,
3361        server_id: LanguageServerId,
3362        token_to_cancel: Option<String>,
3363        cx: &mut Context<Self>,
3364    ) {
3365        self.lsp_store.update(cx, |lsp_store, cx| {
3366            lsp_store.cancel_language_server_work(server_id, token_to_cancel, cx)
3367        })
3368    }
3369
3370    fn enqueue_buffer_ordered_message(&mut self, message: BufferOrderedMessage) -> Result<()> {
3371        self.buffer_ordered_messages_tx
3372            .unbounded_send(message)
3373            .map_err(|e| anyhow!(e))
3374    }
3375
3376    pub fn available_toolchains(
3377        &self,
3378        path: ProjectPath,
3379        language_name: LanguageName,
3380        cx: &App,
3381    ) -> Task<Option<Toolchains>> {
3382        if let Some(toolchain_store) = self.toolchain_store.as_ref().map(Entity::downgrade) {
3383            cx.spawn(async move |cx| {
3384                toolchain_store
3385                    .update(cx, |this, cx| this.list_toolchains(path, language_name, cx))
3386                    .ok()?
3387                    .await
3388            })
3389        } else {
3390            Task::ready(None)
3391        }
3392    }
3393
3394    pub async fn toolchain_metadata(
3395        languages: Arc<LanguageRegistry>,
3396        language_name: LanguageName,
3397    ) -> Option<ToolchainMetadata> {
3398        languages
3399            .language_for_name(language_name.as_ref())
3400            .await
3401            .ok()?
3402            .toolchain_lister()
3403            .map(|lister| lister.meta())
3404    }
3405
3406    pub fn add_toolchain(
3407        &self,
3408        toolchain: Toolchain,
3409        scope: ToolchainScope,
3410        cx: &mut Context<Self>,
3411    ) {
3412        maybe!({
3413            self.toolchain_store.as_ref()?.update(cx, |this, cx| {
3414                this.add_toolchain(toolchain, scope, cx);
3415            });
3416            Some(())
3417        });
3418    }
3419
3420    pub fn remove_toolchain(
3421        &self,
3422        toolchain: Toolchain,
3423        scope: ToolchainScope,
3424        cx: &mut Context<Self>,
3425    ) {
3426        maybe!({
3427            self.toolchain_store.as_ref()?.update(cx, |this, cx| {
3428                this.remove_toolchain(toolchain, scope, cx);
3429            });
3430            Some(())
3431        });
3432    }
3433
3434    pub fn user_toolchains(
3435        &self,
3436        cx: &App,
3437    ) -> Option<BTreeMap<ToolchainScope, IndexSet<Toolchain>>> {
3438        Some(self.toolchain_store.as_ref()?.read(cx).user_toolchains())
3439    }
3440
3441    pub fn resolve_toolchain(
3442        &self,
3443        path: PathBuf,
3444        language_name: LanguageName,
3445        cx: &App,
3446    ) -> Task<Result<Toolchain>> {
3447        if let Some(toolchain_store) = self.toolchain_store.as_ref().map(Entity::downgrade) {
3448            cx.spawn(async move |cx| {
3449                toolchain_store
3450                    .update(cx, |this, cx| {
3451                        this.resolve_toolchain(path, language_name, cx)
3452                    })?
3453                    .await
3454            })
3455        } else {
3456            Task::ready(Err(anyhow!("This project does not support toolchains")))
3457        }
3458    }
3459
3460    pub fn toolchain_store(&self) -> Option<Entity<ToolchainStore>> {
3461        self.toolchain_store.clone()
3462    }
3463    pub fn activate_toolchain(
3464        &self,
3465        path: ProjectPath,
3466        toolchain: Toolchain,
3467        cx: &mut App,
3468    ) -> Task<Option<()>> {
3469        let Some(toolchain_store) = self.toolchain_store.clone() else {
3470            return Task::ready(None);
3471        };
3472        toolchain_store.update(cx, |this, cx| this.activate_toolchain(path, toolchain, cx))
3473    }
3474    pub fn active_toolchain(
3475        &self,
3476        path: ProjectPath,
3477        language_name: LanguageName,
3478        cx: &App,
3479    ) -> Task<Option<Toolchain>> {
3480        let Some(toolchain_store) = self.toolchain_store.clone() else {
3481            return Task::ready(None);
3482        };
3483        toolchain_store
3484            .read(cx)
3485            .active_toolchain(path, language_name, cx)
3486    }
3487    pub fn language_server_statuses<'a>(
3488        &'a self,
3489        cx: &'a App,
3490    ) -> impl DoubleEndedIterator<Item = (LanguageServerId, &'a LanguageServerStatus)> {
3491        self.lsp_store.read(cx).language_server_statuses()
3492    }
3493
3494    pub fn last_formatting_failure<'a>(&self, cx: &'a App) -> Option<&'a str> {
3495        self.lsp_store.read(cx).last_formatting_failure()
3496    }
3497
3498    pub fn reset_last_formatting_failure(&self, cx: &mut App) {
3499        self.lsp_store
3500            .update(cx, |store, _| store.reset_last_formatting_failure());
3501    }
3502
3503    pub fn reload_buffers(
3504        &self,
3505        buffers: HashSet<Entity<Buffer>>,
3506        push_to_history: bool,
3507        cx: &mut Context<Self>,
3508    ) -> Task<Result<ProjectTransaction>> {
3509        self.buffer_store.update(cx, |buffer_store, cx| {
3510            buffer_store.reload_buffers(buffers, push_to_history, cx)
3511        })
3512    }
3513
3514    pub fn reload_images(
3515        &self,
3516        images: HashSet<Entity<ImageItem>>,
3517        cx: &mut Context<Self>,
3518    ) -> Task<Result<()>> {
3519        self.image_store
3520            .update(cx, |image_store, cx| image_store.reload_images(images, cx))
3521    }
3522
3523    pub fn format(
3524        &mut self,
3525        buffers: HashSet<Entity<Buffer>>,
3526        target: LspFormatTarget,
3527        push_to_history: bool,
3528        trigger: lsp_store::FormatTrigger,
3529        cx: &mut Context<Project>,
3530    ) -> Task<anyhow::Result<ProjectTransaction>> {
3531        self.lsp_store.update(cx, |lsp_store, cx| {
3532            lsp_store.format(buffers, target, push_to_history, trigger, cx)
3533        })
3534    }
3535
3536    pub fn definitions<T: ToPointUtf16>(
3537        &mut self,
3538        buffer: &Entity<Buffer>,
3539        position: T,
3540        cx: &mut Context<Self>,
3541    ) -> Task<Result<Option<Vec<LocationLink>>>> {
3542        let position = position.to_point_utf16(buffer.read(cx));
3543        let guard = self.retain_remotely_created_models(cx);
3544        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3545            lsp_store.definitions(buffer, position, cx)
3546        });
3547        cx.background_spawn(async move {
3548            let result = task.await;
3549            drop(guard);
3550            result
3551        })
3552    }
3553
3554    pub fn declarations<T: ToPointUtf16>(
3555        &mut self,
3556        buffer: &Entity<Buffer>,
3557        position: T,
3558        cx: &mut Context<Self>,
3559    ) -> Task<Result<Option<Vec<LocationLink>>>> {
3560        let position = position.to_point_utf16(buffer.read(cx));
3561        let guard = self.retain_remotely_created_models(cx);
3562        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3563            lsp_store.declarations(buffer, position, cx)
3564        });
3565        cx.background_spawn(async move {
3566            let result = task.await;
3567            drop(guard);
3568            result
3569        })
3570    }
3571
3572    pub fn type_definitions<T: ToPointUtf16>(
3573        &mut self,
3574        buffer: &Entity<Buffer>,
3575        position: T,
3576        cx: &mut Context<Self>,
3577    ) -> Task<Result<Option<Vec<LocationLink>>>> {
3578        let position = position.to_point_utf16(buffer.read(cx));
3579        let guard = self.retain_remotely_created_models(cx);
3580        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3581            lsp_store.type_definitions(buffer, position, cx)
3582        });
3583        cx.background_spawn(async move {
3584            let result = task.await;
3585            drop(guard);
3586            result
3587        })
3588    }
3589
3590    pub fn implementations<T: ToPointUtf16>(
3591        &mut self,
3592        buffer: &Entity<Buffer>,
3593        position: T,
3594        cx: &mut Context<Self>,
3595    ) -> Task<Result<Option<Vec<LocationLink>>>> {
3596        let position = position.to_point_utf16(buffer.read(cx));
3597        let guard = self.retain_remotely_created_models(cx);
3598        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3599            lsp_store.implementations(buffer, position, cx)
3600        });
3601        cx.background_spawn(async move {
3602            let result = task.await;
3603            drop(guard);
3604            result
3605        })
3606    }
3607
3608    pub fn references<T: ToPointUtf16>(
3609        &mut self,
3610        buffer: &Entity<Buffer>,
3611        position: T,
3612        cx: &mut Context<Self>,
3613    ) -> Task<Result<Option<Vec<Location>>>> {
3614        let position = position.to_point_utf16(buffer.read(cx));
3615        let guard = self.retain_remotely_created_models(cx);
3616        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3617            lsp_store.references(buffer, position, cx)
3618        });
3619        cx.background_spawn(async move {
3620            let result = task.await;
3621            drop(guard);
3622            result
3623        })
3624    }
3625
3626    pub fn document_highlights<T: ToPointUtf16>(
3627        &mut self,
3628        buffer: &Entity<Buffer>,
3629        position: T,
3630        cx: &mut Context<Self>,
3631    ) -> Task<Result<Vec<DocumentHighlight>>> {
3632        let position = position.to_point_utf16(buffer.read(cx));
3633        self.request_lsp(
3634            buffer.clone(),
3635            LanguageServerToQuery::FirstCapable,
3636            GetDocumentHighlights { position },
3637            cx,
3638        )
3639    }
3640
3641    pub fn document_symbols(
3642        &mut self,
3643        buffer: &Entity<Buffer>,
3644        cx: &mut Context<Self>,
3645    ) -> Task<Result<Vec<DocumentSymbol>>> {
3646        self.request_lsp(
3647            buffer.clone(),
3648            LanguageServerToQuery::FirstCapable,
3649            GetDocumentSymbols,
3650            cx,
3651        )
3652    }
3653
3654    pub fn symbols(&self, query: &str, cx: &mut Context<Self>) -> Task<Result<Vec<Symbol>>> {
3655        self.lsp_store
3656            .update(cx, |lsp_store, cx| lsp_store.symbols(query, cx))
3657    }
3658
3659    pub fn open_buffer_for_symbol(
3660        &mut self,
3661        symbol: &Symbol,
3662        cx: &mut Context<Self>,
3663    ) -> Task<Result<Entity<Buffer>>> {
3664        self.lsp_store.update(cx, |lsp_store, cx| {
3665            lsp_store.open_buffer_for_symbol(symbol, cx)
3666        })
3667    }
3668
3669    pub fn open_server_settings(&mut self, cx: &mut Context<Self>) -> Task<Result<Entity<Buffer>>> {
3670        let guard = self.retain_remotely_created_models(cx);
3671        let Some(remote) = self.remote_client.as_ref() else {
3672            return Task::ready(Err(anyhow!("not an ssh project")));
3673        };
3674
3675        let proto_client = remote.read(cx).proto_client();
3676
3677        cx.spawn(async move |project, cx| {
3678            let buffer = proto_client
3679                .request(proto::OpenServerSettings {
3680                    project_id: REMOTE_SERVER_PROJECT_ID,
3681                })
3682                .await?;
3683
3684            let buffer = project
3685                .update(cx, |project, cx| {
3686                    project.buffer_store.update(cx, |buffer_store, cx| {
3687                        anyhow::Ok(
3688                            buffer_store
3689                                .wait_for_remote_buffer(BufferId::new(buffer.buffer_id)?, cx),
3690                        )
3691                    })
3692                })??
3693                .await;
3694
3695            drop(guard);
3696            buffer
3697        })
3698    }
3699
3700    pub fn open_local_buffer_via_lsp(
3701        &mut self,
3702        abs_path: lsp::Uri,
3703        language_server_id: LanguageServerId,
3704        cx: &mut Context<Self>,
3705    ) -> Task<Result<Entity<Buffer>>> {
3706        self.lsp_store.update(cx, |lsp_store, cx| {
3707            lsp_store.open_local_buffer_via_lsp(abs_path, language_server_id, cx)
3708        })
3709    }
3710
3711    pub fn hover<T: ToPointUtf16>(
3712        &self,
3713        buffer: &Entity<Buffer>,
3714        position: T,
3715        cx: &mut Context<Self>,
3716    ) -> Task<Option<Vec<Hover>>> {
3717        let position = position.to_point_utf16(buffer.read(cx));
3718        self.lsp_store
3719            .update(cx, |lsp_store, cx| lsp_store.hover(buffer, position, cx))
3720    }
3721
3722    pub fn linked_edits(
3723        &self,
3724        buffer: &Entity<Buffer>,
3725        position: Anchor,
3726        cx: &mut Context<Self>,
3727    ) -> Task<Result<Vec<Range<Anchor>>>> {
3728        self.lsp_store.update(cx, |lsp_store, cx| {
3729            lsp_store.linked_edits(buffer, position, cx)
3730        })
3731    }
3732
3733    pub fn completions<T: ToOffset + ToPointUtf16>(
3734        &self,
3735        buffer: &Entity<Buffer>,
3736        position: T,
3737        context: CompletionContext,
3738        cx: &mut Context<Self>,
3739    ) -> Task<Result<Vec<CompletionResponse>>> {
3740        let position = position.to_point_utf16(buffer.read(cx));
3741        self.lsp_store.update(cx, |lsp_store, cx| {
3742            lsp_store.completions(buffer, position, context, cx)
3743        })
3744    }
3745
3746    pub fn code_actions<T: Clone + ToOffset>(
3747        &mut self,
3748        buffer_handle: &Entity<Buffer>,
3749        range: Range<T>,
3750        kinds: Option<Vec<CodeActionKind>>,
3751        cx: &mut Context<Self>,
3752    ) -> Task<Result<Option<Vec<CodeAction>>>> {
3753        let buffer = buffer_handle.read(cx);
3754        let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
3755        self.lsp_store.update(cx, |lsp_store, cx| {
3756            lsp_store.code_actions(buffer_handle, range, kinds, cx)
3757        })
3758    }
3759
3760    pub fn code_lens_actions<T: Clone + ToOffset>(
3761        &mut self,
3762        buffer: &Entity<Buffer>,
3763        range: Range<T>,
3764        cx: &mut Context<Self>,
3765    ) -> Task<Result<Option<Vec<CodeAction>>>> {
3766        let snapshot = buffer.read(cx).snapshot();
3767        let range = range.to_point(&snapshot);
3768        let range_start = snapshot.anchor_before(range.start);
3769        let range_end = if range.start == range.end {
3770            range_start
3771        } else {
3772            snapshot.anchor_after(range.end)
3773        };
3774        let range = range_start..range_end;
3775        let code_lens_actions = self
3776            .lsp_store
3777            .update(cx, |lsp_store, cx| lsp_store.code_lens_actions(buffer, cx));
3778
3779        cx.background_spawn(async move {
3780            let mut code_lens_actions = code_lens_actions
3781                .await
3782                .map_err(|e| anyhow!("code lens fetch failed: {e:#}"))?;
3783            if let Some(code_lens_actions) = &mut code_lens_actions {
3784                code_lens_actions.retain(|code_lens_action| {
3785                    range
3786                        .start
3787                        .cmp(&code_lens_action.range.start, &snapshot)
3788                        .is_ge()
3789                        && range
3790                            .end
3791                            .cmp(&code_lens_action.range.end, &snapshot)
3792                            .is_le()
3793                });
3794            }
3795            Ok(code_lens_actions)
3796        })
3797    }
3798
3799    pub fn apply_code_action(
3800        &self,
3801        buffer_handle: Entity<Buffer>,
3802        action: CodeAction,
3803        push_to_history: bool,
3804        cx: &mut Context<Self>,
3805    ) -> Task<Result<ProjectTransaction>> {
3806        self.lsp_store.update(cx, |lsp_store, cx| {
3807            lsp_store.apply_code_action(buffer_handle, action, push_to_history, cx)
3808        })
3809    }
3810
3811    pub fn apply_code_action_kind(
3812        &self,
3813        buffers: HashSet<Entity<Buffer>>,
3814        kind: CodeActionKind,
3815        push_to_history: bool,
3816        cx: &mut Context<Self>,
3817    ) -> Task<Result<ProjectTransaction>> {
3818        self.lsp_store.update(cx, |lsp_store, cx| {
3819            lsp_store.apply_code_action_kind(buffers, kind, push_to_history, cx)
3820        })
3821    }
3822
3823    pub fn prepare_rename<T: ToPointUtf16>(
3824        &mut self,
3825        buffer: Entity<Buffer>,
3826        position: T,
3827        cx: &mut Context<Self>,
3828    ) -> Task<Result<PrepareRenameResponse>> {
3829        let position = position.to_point_utf16(buffer.read(cx));
3830        self.request_lsp(
3831            buffer,
3832            LanguageServerToQuery::FirstCapable,
3833            PrepareRename { position },
3834            cx,
3835        )
3836    }
3837
3838    pub fn perform_rename<T: ToPointUtf16>(
3839        &mut self,
3840        buffer: Entity<Buffer>,
3841        position: T,
3842        new_name: String,
3843        cx: &mut Context<Self>,
3844    ) -> Task<Result<ProjectTransaction>> {
3845        let push_to_history = true;
3846        let position = position.to_point_utf16(buffer.read(cx));
3847        self.request_lsp(
3848            buffer,
3849            LanguageServerToQuery::FirstCapable,
3850            PerformRename {
3851                position,
3852                new_name,
3853                push_to_history,
3854            },
3855            cx,
3856        )
3857    }
3858
3859    pub fn on_type_format<T: ToPointUtf16>(
3860        &mut self,
3861        buffer: Entity<Buffer>,
3862        position: T,
3863        trigger: String,
3864        push_to_history: bool,
3865        cx: &mut Context<Self>,
3866    ) -> Task<Result<Option<Transaction>>> {
3867        self.lsp_store.update(cx, |lsp_store, cx| {
3868            lsp_store.on_type_format(buffer, position, trigger, push_to_history, cx)
3869        })
3870    }
3871
3872    pub fn inline_values(
3873        &mut self,
3874        session: Entity<Session>,
3875        active_stack_frame: ActiveStackFrame,
3876        buffer_handle: Entity<Buffer>,
3877        range: Range<text::Anchor>,
3878        cx: &mut Context<Self>,
3879    ) -> Task<anyhow::Result<Vec<InlayHint>>> {
3880        let snapshot = buffer_handle.read(cx).snapshot();
3881
3882        let captures = snapshot.debug_variables_query(Anchor::MIN..range.end);
3883
3884        let row = snapshot
3885            .summary_for_anchor::<text::PointUtf16>(&range.end)
3886            .row as usize;
3887
3888        let inline_value_locations = provide_inline_values(captures, &snapshot, row);
3889
3890        let stack_frame_id = active_stack_frame.stack_frame_id;
3891        cx.spawn(async move |this, cx| {
3892            this.update(cx, |project, cx| {
3893                project.dap_store().update(cx, |dap_store, cx| {
3894                    dap_store.resolve_inline_value_locations(
3895                        session,
3896                        stack_frame_id,
3897                        buffer_handle,
3898                        inline_value_locations,
3899                        cx,
3900                    )
3901                })
3902            })?
3903            .await
3904        })
3905    }
3906
3907    pub fn inlay_hints<T: ToOffset>(
3908        &mut self,
3909        buffer_handle: Entity<Buffer>,
3910        range: Range<T>,
3911        cx: &mut Context<Self>,
3912    ) -> Task<anyhow::Result<Vec<InlayHint>>> {
3913        let buffer = buffer_handle.read(cx);
3914        let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
3915        self.lsp_store.update(cx, |lsp_store, cx| {
3916            lsp_store.inlay_hints(buffer_handle, range, cx)
3917        })
3918    }
3919
3920    pub fn resolve_inlay_hint(
3921        &self,
3922        hint: InlayHint,
3923        buffer_handle: Entity<Buffer>,
3924        server_id: LanguageServerId,
3925        cx: &mut Context<Self>,
3926    ) -> Task<anyhow::Result<InlayHint>> {
3927        self.lsp_store.update(cx, |lsp_store, cx| {
3928            lsp_store.resolve_inlay_hint(hint, buffer_handle, server_id, cx)
3929        })
3930    }
3931
3932    pub fn search(&mut self, query: SearchQuery, cx: &mut Context<Self>) -> Receiver<SearchResult> {
3933        let (result_tx, result_rx) = smol::channel::unbounded();
3934
3935        let matching_buffers_rx = if query.is_opened_only() {
3936            self.sort_search_candidates(&query, cx)
3937        } else {
3938            self.find_search_candidate_buffers(&query, MAX_SEARCH_RESULT_FILES + 1, cx)
3939        };
3940
3941        cx.spawn(async move |_, cx| {
3942            let mut range_count = 0;
3943            let mut buffer_count = 0;
3944            let mut limit_reached = false;
3945            let query = Arc::new(query);
3946            let chunks = matching_buffers_rx.ready_chunks(64);
3947
3948            // Now that we know what paths match the query, we will load at most
3949            // 64 buffers at a time to avoid overwhelming the main thread. For each
3950            // opened buffer, we will spawn a background task that retrieves all the
3951            // ranges in the buffer matched by the query.
3952            let mut chunks = pin!(chunks);
3953            'outer: while let Some(matching_buffer_chunk) = chunks.next().await {
3954                let mut chunk_results = Vec::with_capacity(matching_buffer_chunk.len());
3955                for buffer in matching_buffer_chunk {
3956                    let query = query.clone();
3957                    let snapshot = buffer.read_with(cx, |buffer, _| buffer.snapshot())?;
3958                    chunk_results.push(cx.background_spawn(async move {
3959                        let ranges = query
3960                            .search(&snapshot, None)
3961                            .await
3962                            .iter()
3963                            .map(|range| {
3964                                snapshot.anchor_before(range.start)
3965                                    ..snapshot.anchor_after(range.end)
3966                            })
3967                            .collect::<Vec<_>>();
3968                        anyhow::Ok((buffer, ranges))
3969                    }));
3970                }
3971
3972                let chunk_results = futures::future::join_all(chunk_results).await;
3973                for result in chunk_results {
3974                    if let Some((buffer, ranges)) = result.log_err() {
3975                        range_count += ranges.len();
3976                        buffer_count += 1;
3977                        result_tx
3978                            .send(SearchResult::Buffer { buffer, ranges })
3979                            .await?;
3980                        if buffer_count > MAX_SEARCH_RESULT_FILES
3981                            || range_count > MAX_SEARCH_RESULT_RANGES
3982                        {
3983                            limit_reached = true;
3984                            break 'outer;
3985                        }
3986                    }
3987                }
3988            }
3989
3990            if limit_reached {
3991                result_tx.send(SearchResult::LimitReached).await?;
3992            }
3993
3994            anyhow::Ok(())
3995        })
3996        .detach();
3997
3998        result_rx
3999    }
4000
4001    fn find_search_candidate_buffers(
4002        &mut self,
4003        query: &SearchQuery,
4004        limit: usize,
4005        cx: &mut Context<Project>,
4006    ) -> Receiver<Entity<Buffer>> {
4007        if self.is_local() {
4008            let fs = self.fs.clone();
4009            self.buffer_store.update(cx, |buffer_store, cx| {
4010                buffer_store.find_search_candidates(query, limit, fs, cx)
4011            })
4012        } else {
4013            self.find_search_candidates_remote(query, limit, cx)
4014        }
4015    }
4016
4017    fn sort_search_candidates(
4018        &mut self,
4019        search_query: &SearchQuery,
4020        cx: &mut Context<Project>,
4021    ) -> Receiver<Entity<Buffer>> {
4022        let worktree_store = self.worktree_store.read(cx);
4023        let mut buffers = search_query
4024            .buffers()
4025            .into_iter()
4026            .flatten()
4027            .filter(|buffer| {
4028                let b = buffer.read(cx);
4029                if let Some(file) = b.file() {
4030                    if !search_query.match_path(file.path()) {
4031                        return false;
4032                    }
4033                    if let Some(entry) = b
4034                        .entry_id(cx)
4035                        .and_then(|entry_id| worktree_store.entry_for_id(entry_id, cx))
4036                        && entry.is_ignored
4037                        && !search_query.include_ignored()
4038                    {
4039                        return false;
4040                    }
4041                }
4042                true
4043            })
4044            .collect::<Vec<_>>();
4045        let (tx, rx) = smol::channel::unbounded();
4046        buffers.sort_by(|a, b| match (a.read(cx).file(), b.read(cx).file()) {
4047            (None, None) => a.read(cx).remote_id().cmp(&b.read(cx).remote_id()),
4048            (None, Some(_)) => std::cmp::Ordering::Less,
4049            (Some(_), None) => std::cmp::Ordering::Greater,
4050            (Some(a), Some(b)) => compare_paths((a.path(), true), (b.path(), true)),
4051        });
4052        for buffer in buffers {
4053            tx.send_blocking(buffer.clone()).unwrap()
4054        }
4055
4056        rx
4057    }
4058
4059    fn find_search_candidates_remote(
4060        &mut self,
4061        query: &SearchQuery,
4062        limit: usize,
4063        cx: &mut Context<Project>,
4064    ) -> Receiver<Entity<Buffer>> {
4065        let (tx, rx) = smol::channel::unbounded();
4066
4067        let (client, remote_id): (AnyProtoClient, _) = if let Some(ssh_client) = &self.remote_client
4068        {
4069            (ssh_client.read(cx).proto_client(), 0)
4070        } else if let Some(remote_id) = self.remote_id() {
4071            (self.collab_client.clone().into(), remote_id)
4072        } else {
4073            return rx;
4074        };
4075
4076        let request = client.request(proto::FindSearchCandidates {
4077            project_id: remote_id,
4078            query: Some(query.to_proto()),
4079            limit: limit as _,
4080        });
4081        let guard = self.retain_remotely_created_models(cx);
4082
4083        cx.spawn(async move |project, cx| {
4084            let response = request.await?;
4085            for buffer_id in response.buffer_ids {
4086                let buffer_id = BufferId::new(buffer_id)?;
4087                let buffer = project
4088                    .update(cx, |project, cx| {
4089                        project.buffer_store.update(cx, |buffer_store, cx| {
4090                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
4091                        })
4092                    })?
4093                    .await?;
4094                let _ = tx.send(buffer).await;
4095            }
4096
4097            drop(guard);
4098            anyhow::Ok(())
4099        })
4100        .detach_and_log_err(cx);
4101        rx
4102    }
4103
4104    pub fn request_lsp<R: LspCommand>(
4105        &mut self,
4106        buffer_handle: Entity<Buffer>,
4107        server: LanguageServerToQuery,
4108        request: R,
4109        cx: &mut Context<Self>,
4110    ) -> Task<Result<R::Response>>
4111    where
4112        <R::LspRequest as lsp::request::Request>::Result: Send,
4113        <R::LspRequest as lsp::request::Request>::Params: Send,
4114    {
4115        let guard = self.retain_remotely_created_models(cx);
4116        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4117            lsp_store.request_lsp(buffer_handle, server, request, cx)
4118        });
4119        cx.background_spawn(async move {
4120            let result = task.await;
4121            drop(guard);
4122            result
4123        })
4124    }
4125
4126    /// Move a worktree to a new position in the worktree order.
4127    ///
4128    /// The worktree will moved to the opposite side of the destination worktree.
4129    ///
4130    /// # Example
4131    ///
4132    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `33`,
4133    /// worktree_order will be updated to produce the indexes `[11, 33, 22]`.
4134    ///
4135    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `11`,
4136    /// worktree_order will be updated to produce the indexes `[22, 11, 33]`.
4137    ///
4138    /// # Errors
4139    ///
4140    /// An error will be returned if the worktree or destination worktree are not found.
4141    pub fn move_worktree(
4142        &mut self,
4143        source: WorktreeId,
4144        destination: WorktreeId,
4145        cx: &mut Context<Self>,
4146    ) -> Result<()> {
4147        self.worktree_store.update(cx, |worktree_store, cx| {
4148            worktree_store.move_worktree(source, destination, cx)
4149        })
4150    }
4151
4152    pub fn find_or_create_worktree(
4153        &mut self,
4154        abs_path: impl AsRef<Path>,
4155        visible: bool,
4156        cx: &mut Context<Self>,
4157    ) -> Task<Result<(Entity<Worktree>, PathBuf)>> {
4158        self.worktree_store.update(cx, |worktree_store, cx| {
4159            worktree_store.find_or_create_worktree(abs_path, visible, cx)
4160        })
4161    }
4162
4163    pub fn find_worktree(&self, abs_path: &Path, cx: &App) -> Option<(Entity<Worktree>, PathBuf)> {
4164        self.worktree_store.read(cx).find_worktree(abs_path, cx)
4165    }
4166
4167    pub fn is_shared(&self) -> bool {
4168        match &self.client_state {
4169            ProjectClientState::Shared { .. } => true,
4170            ProjectClientState::Local => false,
4171            ProjectClientState::Remote { .. } => true,
4172        }
4173    }
4174
4175    /// Returns the resolved version of `path`, that was found in `buffer`, if it exists.
4176    pub fn resolve_path_in_buffer(
4177        &self,
4178        path: &str,
4179        buffer: &Entity<Buffer>,
4180        cx: &mut Context<Self>,
4181    ) -> Task<Option<ResolvedPath>> {
4182        let path_buf = PathBuf::from(path);
4183        if path_buf.is_absolute() || path.starts_with("~") {
4184            self.resolve_abs_path(path, cx)
4185        } else {
4186            self.resolve_path_in_worktrees(path_buf, buffer, cx)
4187        }
4188    }
4189
4190    pub fn resolve_abs_file_path(
4191        &self,
4192        path: &str,
4193        cx: &mut Context<Self>,
4194    ) -> Task<Option<ResolvedPath>> {
4195        let resolve_task = self.resolve_abs_path(path, cx);
4196        cx.background_spawn(async move {
4197            let resolved_path = resolve_task.await;
4198            resolved_path.filter(|path| path.is_file())
4199        })
4200    }
4201
4202    pub fn resolve_abs_path(&self, path: &str, cx: &App) -> Task<Option<ResolvedPath>> {
4203        if self.is_local() {
4204            let expanded = PathBuf::from(shellexpand::tilde(&path).into_owned());
4205            let fs = self.fs.clone();
4206            cx.background_spawn(async move {
4207                let path = expanded.as_path();
4208                let metadata = fs.metadata(path).await.ok().flatten();
4209
4210                metadata.map(|metadata| ResolvedPath::AbsPath {
4211                    path: expanded,
4212                    is_dir: metadata.is_dir,
4213                })
4214            })
4215        } else if let Some(ssh_client) = self.remote_client.as_ref() {
4216            let path_style = ssh_client.read(cx).path_style();
4217            let request_path = RemotePathBuf::from_str(path, path_style);
4218            let request = ssh_client
4219                .read(cx)
4220                .proto_client()
4221                .request(proto::GetPathMetadata {
4222                    project_id: REMOTE_SERVER_PROJECT_ID,
4223                    path: request_path.to_proto(),
4224                });
4225            cx.background_spawn(async move {
4226                let response = request.await.log_err()?;
4227                if response.exists {
4228                    Some(ResolvedPath::AbsPath {
4229                        path: PathBuf::from_proto(response.path),
4230                        is_dir: response.is_dir,
4231                    })
4232                } else {
4233                    None
4234                }
4235            })
4236        } else {
4237            Task::ready(None)
4238        }
4239    }
4240
4241    fn resolve_path_in_worktrees(
4242        &self,
4243        path: PathBuf,
4244        buffer: &Entity<Buffer>,
4245        cx: &mut Context<Self>,
4246    ) -> Task<Option<ResolvedPath>> {
4247        let mut candidates = vec![path.clone()];
4248
4249        if let Some(file) = buffer.read(cx).file()
4250            && let Some(dir) = file.path().parent()
4251        {
4252            let joined = dir.to_path_buf().join(path);
4253            candidates.push(joined);
4254        }
4255
4256        let buffer_worktree_id = buffer.read(cx).file().map(|file| file.worktree_id(cx));
4257        let worktrees_with_ids: Vec<_> = self
4258            .worktrees(cx)
4259            .map(|worktree| {
4260                let id = worktree.read(cx).id();
4261                (worktree, id)
4262            })
4263            .collect();
4264
4265        cx.spawn(async move |_, cx| {
4266            if let Some(buffer_worktree_id) = buffer_worktree_id
4267                && let Some((worktree, _)) = worktrees_with_ids
4268                    .iter()
4269                    .find(|(_, id)| *id == buffer_worktree_id)
4270            {
4271                for candidate in candidates.iter() {
4272                    if let Some(path) = Self::resolve_path_in_worktree(worktree, candidate, cx) {
4273                        return Some(path);
4274                    }
4275                }
4276            }
4277            for (worktree, id) in worktrees_with_ids {
4278                if Some(id) == buffer_worktree_id {
4279                    continue;
4280                }
4281                for candidate in candidates.iter() {
4282                    if let Some(path) = Self::resolve_path_in_worktree(&worktree, candidate, cx) {
4283                        return Some(path);
4284                    }
4285                }
4286            }
4287            None
4288        })
4289    }
4290
4291    fn resolve_path_in_worktree(
4292        worktree: &Entity<Worktree>,
4293        path: &PathBuf,
4294        cx: &mut AsyncApp,
4295    ) -> Option<ResolvedPath> {
4296        worktree
4297            .read_with(cx, |worktree, _| {
4298                let root_entry_path = &worktree.root_entry()?.path;
4299                let resolved = resolve_path(root_entry_path, path);
4300                let stripped = resolved.strip_prefix(root_entry_path).unwrap_or(&resolved);
4301                worktree.entry_for_path(stripped).map(|entry| {
4302                    let project_path = ProjectPath {
4303                        worktree_id: worktree.id(),
4304                        path: entry.path.clone(),
4305                    };
4306                    ResolvedPath::ProjectPath {
4307                        project_path,
4308                        is_dir: entry.is_dir(),
4309                    }
4310                })
4311            })
4312            .ok()?
4313    }
4314
4315    pub fn list_directory(
4316        &self,
4317        query: String,
4318        cx: &mut Context<Self>,
4319    ) -> Task<Result<Vec<DirectoryItem>>> {
4320        if self.is_local() {
4321            DirectoryLister::Local(cx.entity(), self.fs.clone()).list_directory(query, cx)
4322        } else if let Some(session) = self.remote_client.as_ref() {
4323            let path_buf = PathBuf::from(query);
4324            let request = proto::ListRemoteDirectory {
4325                dev_server_id: REMOTE_SERVER_PROJECT_ID,
4326                path: path_buf.to_proto(),
4327                config: Some(proto::ListRemoteDirectoryConfig { is_dir: true }),
4328            };
4329
4330            let response = session.read(cx).proto_client().request(request);
4331            cx.background_spawn(async move {
4332                let proto::ListRemoteDirectoryResponse {
4333                    entries,
4334                    entry_info,
4335                } = response.await?;
4336                Ok(entries
4337                    .into_iter()
4338                    .zip(entry_info)
4339                    .map(|(entry, info)| DirectoryItem {
4340                        path: PathBuf::from(entry),
4341                        is_dir: info.is_dir,
4342                    })
4343                    .collect())
4344            })
4345        } else {
4346            Task::ready(Err(anyhow!("cannot list directory in remote project")))
4347        }
4348    }
4349
4350    pub fn create_worktree(
4351        &mut self,
4352        abs_path: impl AsRef<Path>,
4353        visible: bool,
4354        cx: &mut Context<Self>,
4355    ) -> Task<Result<Entity<Worktree>>> {
4356        self.worktree_store.update(cx, |worktree_store, cx| {
4357            worktree_store.create_worktree(abs_path, visible, cx)
4358        })
4359    }
4360
4361    pub fn remove_worktree(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
4362        self.worktree_store.update(cx, |worktree_store, cx| {
4363            worktree_store.remove_worktree(id_to_remove, cx);
4364        });
4365    }
4366
4367    fn add_worktree(&mut self, worktree: &Entity<Worktree>, cx: &mut Context<Self>) {
4368        self.worktree_store.update(cx, |worktree_store, cx| {
4369            worktree_store.add(worktree, cx);
4370        });
4371    }
4372
4373    pub fn set_active_path(&mut self, entry: Option<ProjectPath>, cx: &mut Context<Self>) {
4374        let new_active_entry = entry.and_then(|project_path| {
4375            let worktree = self.worktree_for_id(project_path.worktree_id, cx)?;
4376            let entry = worktree.read(cx).entry_for_path(project_path.path)?;
4377            Some(entry.id)
4378        });
4379        if new_active_entry != self.active_entry {
4380            self.active_entry = new_active_entry;
4381            self.lsp_store.update(cx, |lsp_store, _| {
4382                lsp_store.set_active_entry(new_active_entry);
4383            });
4384            cx.emit(Event::ActiveEntryChanged(new_active_entry));
4385        }
4386    }
4387
4388    pub fn language_servers_running_disk_based_diagnostics<'a>(
4389        &'a self,
4390        cx: &'a App,
4391    ) -> impl Iterator<Item = LanguageServerId> + 'a {
4392        self.lsp_store
4393            .read(cx)
4394            .language_servers_running_disk_based_diagnostics()
4395    }
4396
4397    pub fn diagnostic_summary(&self, include_ignored: bool, cx: &App) -> DiagnosticSummary {
4398        self.lsp_store
4399            .read(cx)
4400            .diagnostic_summary(include_ignored, cx)
4401    }
4402
4403    /// Returns a summary of the diagnostics for the provided project path only.
4404    pub fn diagnostic_summary_for_path(&self, path: &ProjectPath, cx: &App) -> DiagnosticSummary {
4405        self.lsp_store
4406            .read(cx)
4407            .diagnostic_summary_for_path(path, cx)
4408    }
4409
4410    pub fn diagnostic_summaries<'a>(
4411        &'a self,
4412        include_ignored: bool,
4413        cx: &'a App,
4414    ) -> impl Iterator<Item = (ProjectPath, LanguageServerId, DiagnosticSummary)> + 'a {
4415        self.lsp_store
4416            .read(cx)
4417            .diagnostic_summaries(include_ignored, cx)
4418    }
4419
4420    pub fn active_entry(&self) -> Option<ProjectEntryId> {
4421        self.active_entry
4422    }
4423
4424    pub fn entry_for_path<'a>(&'a self, path: &ProjectPath, cx: &'a App) -> Option<&'a Entry> {
4425        self.worktree_store.read(cx).entry_for_path(path, cx)
4426    }
4427
4428    pub fn path_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<ProjectPath> {
4429        let worktree = self.worktree_for_entry(entry_id, cx)?;
4430        let worktree = worktree.read(cx);
4431        let worktree_id = worktree.id();
4432        let path = worktree.entry_for_id(entry_id)?.path.clone();
4433        Some(ProjectPath { worktree_id, path })
4434    }
4435
4436    pub fn absolute_path(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4437        self.worktree_for_id(project_path.worktree_id, cx)?
4438            .read(cx)
4439            .absolutize(&project_path.path)
4440            .ok()
4441    }
4442
4443    /// Attempts to find a `ProjectPath` corresponding to the given path. If the path
4444    /// is a *full path*, meaning it starts with the root name of a worktree, we'll locate
4445    /// it in that worktree. Otherwise, we'll attempt to find it as a relative path in
4446    /// the first visible worktree that has an entry for that relative path.
4447    ///
4448    /// We use this to resolve edit steps, when there's a chance an LLM may omit the workree
4449    /// root name from paths.
4450    ///
4451    /// # Arguments
4452    ///
4453    /// * `path` - A full path that starts with a worktree root name, or alternatively a
4454    ///   relative path within a visible worktree.
4455    /// * `cx` - A reference to the `AppContext`.
4456    ///
4457    /// # Returns
4458    ///
4459    /// Returns `Some(ProjectPath)` if a matching worktree is found, otherwise `None`.
4460    pub fn find_project_path(&self, path: impl AsRef<Path>, cx: &App) -> Option<ProjectPath> {
4461        let path = path.as_ref();
4462        let worktree_store = self.worktree_store.read(cx);
4463
4464        if path.is_absolute() {
4465            for worktree in worktree_store.visible_worktrees(cx) {
4466                let worktree_abs_path = worktree.read(cx).abs_path();
4467
4468                if let Ok(relative_path) = path.strip_prefix(worktree_abs_path) {
4469                    return Some(ProjectPath {
4470                        worktree_id: worktree.read(cx).id(),
4471                        path: relative_path.into(),
4472                    });
4473                }
4474            }
4475        } else {
4476            for worktree in worktree_store.visible_worktrees(cx) {
4477                let worktree_root_name = worktree.read(cx).root_name();
4478                if let Ok(relative_path) = path.strip_prefix(worktree_root_name) {
4479                    return Some(ProjectPath {
4480                        worktree_id: worktree.read(cx).id(),
4481                        path: relative_path.into(),
4482                    });
4483                }
4484            }
4485
4486            for worktree in worktree_store.visible_worktrees(cx) {
4487                let worktree = worktree.read(cx);
4488                if let Some(entry) = worktree.entry_for_path(path) {
4489                    return Some(ProjectPath {
4490                        worktree_id: worktree.id(),
4491                        path: entry.path.clone(),
4492                    });
4493                }
4494            }
4495        }
4496
4497        None
4498    }
4499
4500    /// If there's only one visible worktree, returns the given worktree-relative path with no prefix.
4501    ///
4502    /// Otherwise, returns the full path for the project path (obtained by prefixing the worktree-relative path with the name of the worktree).
4503    pub fn short_full_path_for_project_path(
4504        &self,
4505        project_path: &ProjectPath,
4506        cx: &App,
4507    ) -> Option<PathBuf> {
4508        if self.visible_worktrees(cx).take(2).count() < 2 {
4509            return Some(project_path.path.to_path_buf());
4510        }
4511        self.worktree_for_id(project_path.worktree_id, cx)
4512            .and_then(|worktree| {
4513                Some(Path::new(worktree.read(cx).abs_path().file_name()?).join(&project_path.path))
4514            })
4515    }
4516
4517    pub fn project_path_for_absolute_path(&self, abs_path: &Path, cx: &App) -> Option<ProjectPath> {
4518        self.find_worktree(abs_path, cx)
4519            .map(|(worktree, relative_path)| ProjectPath {
4520                worktree_id: worktree.read(cx).id(),
4521                path: relative_path.into(),
4522            })
4523    }
4524
4525    pub fn get_workspace_root(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4526        Some(
4527            self.worktree_for_id(project_path.worktree_id, cx)?
4528                .read(cx)
4529                .abs_path()
4530                .to_path_buf(),
4531        )
4532    }
4533
4534    pub fn blame_buffer(
4535        &self,
4536        buffer: &Entity<Buffer>,
4537        version: Option<clock::Global>,
4538        cx: &mut App,
4539    ) -> Task<Result<Option<Blame>>> {
4540        self.git_store.update(cx, |git_store, cx| {
4541            git_store.blame_buffer(buffer, version, cx)
4542        })
4543    }
4544
4545    pub fn get_permalink_to_line(
4546        &self,
4547        buffer: &Entity<Buffer>,
4548        selection: Range<u32>,
4549        cx: &mut App,
4550    ) -> Task<Result<url::Url>> {
4551        self.git_store.update(cx, |git_store, cx| {
4552            git_store.get_permalink_to_line(buffer, selection, cx)
4553        })
4554    }
4555
4556    // RPC message handlers
4557
4558    async fn handle_unshare_project(
4559        this: Entity<Self>,
4560        _: TypedEnvelope<proto::UnshareProject>,
4561        mut cx: AsyncApp,
4562    ) -> Result<()> {
4563        this.update(&mut cx, |this, cx| {
4564            if this.is_local() || this.is_via_remote_server() {
4565                this.unshare(cx)?;
4566            } else {
4567                this.disconnected_from_host(cx);
4568            }
4569            Ok(())
4570        })?
4571    }
4572
4573    async fn handle_add_collaborator(
4574        this: Entity<Self>,
4575        mut envelope: TypedEnvelope<proto::AddProjectCollaborator>,
4576        mut cx: AsyncApp,
4577    ) -> Result<()> {
4578        let collaborator = envelope
4579            .payload
4580            .collaborator
4581            .take()
4582            .context("empty collaborator")?;
4583
4584        let collaborator = Collaborator::from_proto(collaborator)?;
4585        this.update(&mut cx, |this, cx| {
4586            this.buffer_store.update(cx, |buffer_store, _| {
4587                buffer_store.forget_shared_buffers_for(&collaborator.peer_id);
4588            });
4589            this.breakpoint_store.read(cx).broadcast();
4590            cx.emit(Event::CollaboratorJoined(collaborator.peer_id));
4591            this.collaborators
4592                .insert(collaborator.peer_id, collaborator);
4593        })?;
4594
4595        Ok(())
4596    }
4597
4598    async fn handle_update_project_collaborator(
4599        this: Entity<Self>,
4600        envelope: TypedEnvelope<proto::UpdateProjectCollaborator>,
4601        mut cx: AsyncApp,
4602    ) -> Result<()> {
4603        let old_peer_id = envelope
4604            .payload
4605            .old_peer_id
4606            .context("missing old peer id")?;
4607        let new_peer_id = envelope
4608            .payload
4609            .new_peer_id
4610            .context("missing new peer id")?;
4611        this.update(&mut cx, |this, cx| {
4612            let collaborator = this
4613                .collaborators
4614                .remove(&old_peer_id)
4615                .context("received UpdateProjectCollaborator for unknown peer")?;
4616            let is_host = collaborator.is_host;
4617            this.collaborators.insert(new_peer_id, collaborator);
4618
4619            log::info!("peer {} became {}", old_peer_id, new_peer_id,);
4620            this.buffer_store.update(cx, |buffer_store, _| {
4621                buffer_store.update_peer_id(&old_peer_id, new_peer_id)
4622            });
4623
4624            if is_host {
4625                this.buffer_store
4626                    .update(cx, |buffer_store, _| buffer_store.discard_incomplete());
4627                this.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
4628                    .unwrap();
4629                cx.emit(Event::HostReshared);
4630            }
4631
4632            cx.emit(Event::CollaboratorUpdated {
4633                old_peer_id,
4634                new_peer_id,
4635            });
4636            Ok(())
4637        })?
4638    }
4639
4640    async fn handle_remove_collaborator(
4641        this: Entity<Self>,
4642        envelope: TypedEnvelope<proto::RemoveProjectCollaborator>,
4643        mut cx: AsyncApp,
4644    ) -> Result<()> {
4645        this.update(&mut cx, |this, cx| {
4646            let peer_id = envelope.payload.peer_id.context("invalid peer id")?;
4647            let replica_id = this
4648                .collaborators
4649                .remove(&peer_id)
4650                .with_context(|| format!("unknown peer {peer_id:?}"))?
4651                .replica_id;
4652            this.buffer_store.update(cx, |buffer_store, cx| {
4653                buffer_store.forget_shared_buffers_for(&peer_id);
4654                for buffer in buffer_store.buffers() {
4655                    buffer.update(cx, |buffer, cx| buffer.remove_peer(replica_id, cx));
4656                }
4657            });
4658            this.git_store.update(cx, |git_store, _| {
4659                git_store.forget_shared_diffs_for(&peer_id);
4660            });
4661
4662            cx.emit(Event::CollaboratorLeft(peer_id));
4663            Ok(())
4664        })?
4665    }
4666
4667    async fn handle_update_project(
4668        this: Entity<Self>,
4669        envelope: TypedEnvelope<proto::UpdateProject>,
4670        mut cx: AsyncApp,
4671    ) -> Result<()> {
4672        this.update(&mut cx, |this, cx| {
4673            // Don't handle messages that were sent before the response to us joining the project
4674            if envelope.message_id > this.join_project_response_message_id {
4675                this.set_worktrees_from_proto(envelope.payload.worktrees, cx)?;
4676            }
4677            Ok(())
4678        })?
4679    }
4680
4681    async fn handle_toast(
4682        this: Entity<Self>,
4683        envelope: TypedEnvelope<proto::Toast>,
4684        mut cx: AsyncApp,
4685    ) -> Result<()> {
4686        this.update(&mut cx, |_, cx| {
4687            cx.emit(Event::Toast {
4688                notification_id: envelope.payload.notification_id.into(),
4689                message: envelope.payload.message,
4690            });
4691            Ok(())
4692        })?
4693    }
4694
4695    async fn handle_language_server_prompt_request(
4696        this: Entity<Self>,
4697        envelope: TypedEnvelope<proto::LanguageServerPromptRequest>,
4698        mut cx: AsyncApp,
4699    ) -> Result<proto::LanguageServerPromptResponse> {
4700        let (tx, rx) = smol::channel::bounded(1);
4701        let actions: Vec<_> = envelope
4702            .payload
4703            .actions
4704            .into_iter()
4705            .map(|action| MessageActionItem {
4706                title: action,
4707                properties: Default::default(),
4708            })
4709            .collect();
4710        this.update(&mut cx, |_, cx| {
4711            cx.emit(Event::LanguageServerPrompt(LanguageServerPromptRequest {
4712                level: proto_to_prompt(envelope.payload.level.context("Invalid prompt level")?),
4713                message: envelope.payload.message,
4714                actions: actions.clone(),
4715                lsp_name: envelope.payload.lsp_name,
4716                response_channel: tx,
4717            }));
4718
4719            anyhow::Ok(())
4720        })??;
4721
4722        // We drop `this` to avoid holding a reference in this future for too
4723        // long.
4724        // If we keep the reference, we might not drop the `Project` early
4725        // enough when closing a window and it will only get releases on the
4726        // next `flush_effects()` call.
4727        drop(this);
4728
4729        let mut rx = pin!(rx);
4730        let answer = rx.next().await;
4731
4732        Ok(LanguageServerPromptResponse {
4733            action_response: answer.and_then(|answer| {
4734                actions
4735                    .iter()
4736                    .position(|action| *action == answer)
4737                    .map(|index| index as u64)
4738            }),
4739        })
4740    }
4741
4742    async fn handle_hide_toast(
4743        this: Entity<Self>,
4744        envelope: TypedEnvelope<proto::HideToast>,
4745        mut cx: AsyncApp,
4746    ) -> Result<()> {
4747        this.update(&mut cx, |_, cx| {
4748            cx.emit(Event::HideToast {
4749                notification_id: envelope.payload.notification_id.into(),
4750            });
4751            Ok(())
4752        })?
4753    }
4754
4755    // Collab sends UpdateWorktree protos as messages
4756    async fn handle_update_worktree(
4757        this: Entity<Self>,
4758        envelope: TypedEnvelope<proto::UpdateWorktree>,
4759        mut cx: AsyncApp,
4760    ) -> Result<()> {
4761        this.update(&mut cx, |this, cx| {
4762            let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
4763            if let Some(worktree) = this.worktree_for_id(worktree_id, cx) {
4764                worktree.update(cx, |worktree, _| {
4765                    let worktree = worktree.as_remote_mut().unwrap();
4766                    worktree.update_from_remote(envelope.payload);
4767                });
4768            }
4769            Ok(())
4770        })?
4771    }
4772
4773    async fn handle_update_buffer_from_remote_server(
4774        this: Entity<Self>,
4775        envelope: TypedEnvelope<proto::UpdateBuffer>,
4776        cx: AsyncApp,
4777    ) -> Result<proto::Ack> {
4778        let buffer_store = this.read_with(&cx, |this, cx| {
4779            if let Some(remote_id) = this.remote_id() {
4780                let mut payload = envelope.payload.clone();
4781                payload.project_id = remote_id;
4782                cx.background_spawn(this.collab_client.request(payload))
4783                    .detach_and_log_err(cx);
4784            }
4785            this.buffer_store.clone()
4786        })?;
4787        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
4788    }
4789
4790    async fn handle_update_buffer(
4791        this: Entity<Self>,
4792        envelope: TypedEnvelope<proto::UpdateBuffer>,
4793        cx: AsyncApp,
4794    ) -> Result<proto::Ack> {
4795        let buffer_store = this.read_with(&cx, |this, cx| {
4796            if let Some(ssh) = &this.remote_client {
4797                let mut payload = envelope.payload.clone();
4798                payload.project_id = REMOTE_SERVER_PROJECT_ID;
4799                cx.background_spawn(ssh.read(cx).proto_client().request(payload))
4800                    .detach_and_log_err(cx);
4801            }
4802            this.buffer_store.clone()
4803        })?;
4804        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
4805    }
4806
4807    fn retain_remotely_created_models(
4808        &mut self,
4809        cx: &mut Context<Self>,
4810    ) -> RemotelyCreatedModelGuard {
4811        {
4812            let mut remotely_create_models = self.remotely_created_models.lock();
4813            if remotely_create_models.retain_count == 0 {
4814                remotely_create_models.buffers = self.buffer_store.read(cx).buffers().collect();
4815                remotely_create_models.worktrees =
4816                    self.worktree_store.read(cx).worktrees().collect();
4817            }
4818            remotely_create_models.retain_count += 1;
4819        }
4820        RemotelyCreatedModelGuard {
4821            remote_models: Arc::downgrade(&self.remotely_created_models),
4822        }
4823    }
4824
4825    async fn handle_create_buffer_for_peer(
4826        this: Entity<Self>,
4827        envelope: TypedEnvelope<proto::CreateBufferForPeer>,
4828        mut cx: AsyncApp,
4829    ) -> Result<()> {
4830        this.update(&mut cx, |this, cx| {
4831            this.buffer_store.update(cx, |buffer_store, cx| {
4832                buffer_store.handle_create_buffer_for_peer(
4833                    envelope,
4834                    this.replica_id(),
4835                    this.capability(),
4836                    cx,
4837                )
4838            })
4839        })?
4840    }
4841
4842    async fn handle_toggle_lsp_logs(
4843        project: Entity<Self>,
4844        envelope: TypedEnvelope<proto::ToggleLspLogs>,
4845        mut cx: AsyncApp,
4846    ) -> Result<()> {
4847        let toggled_log_kind =
4848            match proto::toggle_lsp_logs::LogType::from_i32(envelope.payload.log_type)
4849                .context("invalid log type")?
4850            {
4851                proto::toggle_lsp_logs::LogType::Log => LogKind::Logs,
4852                proto::toggle_lsp_logs::LogType::Trace => LogKind::Trace,
4853                proto::toggle_lsp_logs::LogType::Rpc => LogKind::Rpc,
4854            };
4855        project.update(&mut cx, |_, cx| {
4856            cx.emit(Event::ToggleLspLogs {
4857                server_id: LanguageServerId::from_proto(envelope.payload.server_id),
4858                enabled: envelope.payload.enabled,
4859                toggled_log_kind,
4860            })
4861        })?;
4862        Ok(())
4863    }
4864
4865    async fn handle_synchronize_buffers(
4866        this: Entity<Self>,
4867        envelope: TypedEnvelope<proto::SynchronizeBuffers>,
4868        mut cx: AsyncApp,
4869    ) -> Result<proto::SynchronizeBuffersResponse> {
4870        let response = this.update(&mut cx, |this, cx| {
4871            let client = this.collab_client.clone();
4872            this.buffer_store.update(cx, |this, cx| {
4873                this.handle_synchronize_buffers(envelope, cx, client)
4874            })
4875        })??;
4876
4877        Ok(response)
4878    }
4879
4880    async fn handle_search_candidate_buffers(
4881        this: Entity<Self>,
4882        envelope: TypedEnvelope<proto::FindSearchCandidates>,
4883        mut cx: AsyncApp,
4884    ) -> Result<proto::FindSearchCandidatesResponse> {
4885        let peer_id = envelope.original_sender_id()?;
4886        let message = envelope.payload;
4887        let query = SearchQuery::from_proto(message.query.context("missing query field")?)?;
4888        let results = this.update(&mut cx, |this, cx| {
4889            this.find_search_candidate_buffers(&query, message.limit as _, cx)
4890        })?;
4891
4892        let mut response = proto::FindSearchCandidatesResponse {
4893            buffer_ids: Vec::new(),
4894        };
4895
4896        while let Ok(buffer) = results.recv().await {
4897            this.update(&mut cx, |this, cx| {
4898                let buffer_id = this.create_buffer_for_peer(&buffer, peer_id, cx);
4899                response.buffer_ids.push(buffer_id.to_proto());
4900            })?;
4901        }
4902
4903        Ok(response)
4904    }
4905
4906    async fn handle_open_buffer_by_id(
4907        this: Entity<Self>,
4908        envelope: TypedEnvelope<proto::OpenBufferById>,
4909        mut cx: AsyncApp,
4910    ) -> Result<proto::OpenBufferResponse> {
4911        let peer_id = envelope.original_sender_id()?;
4912        let buffer_id = BufferId::new(envelope.payload.id)?;
4913        let buffer = this
4914            .update(&mut cx, |this, cx| this.open_buffer_by_id(buffer_id, cx))?
4915            .await?;
4916        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
4917    }
4918
4919    async fn handle_open_buffer_by_path(
4920        this: Entity<Self>,
4921        envelope: TypedEnvelope<proto::OpenBufferByPath>,
4922        mut cx: AsyncApp,
4923    ) -> Result<proto::OpenBufferResponse> {
4924        let peer_id = envelope.original_sender_id()?;
4925        let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
4926        let open_buffer = this.update(&mut cx, |this, cx| {
4927            this.open_buffer(
4928                ProjectPath {
4929                    worktree_id,
4930                    path: Arc::<Path>::from_proto(envelope.payload.path),
4931                },
4932                cx,
4933            )
4934        })?;
4935
4936        let buffer = open_buffer.await?;
4937        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
4938    }
4939
4940    async fn handle_open_new_buffer(
4941        this: Entity<Self>,
4942        envelope: TypedEnvelope<proto::OpenNewBuffer>,
4943        mut cx: AsyncApp,
4944    ) -> Result<proto::OpenBufferResponse> {
4945        let buffer = this
4946            .update(&mut cx, |this, cx| this.create_buffer(true, cx))?
4947            .await?;
4948        let peer_id = envelope.original_sender_id()?;
4949
4950        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
4951    }
4952
4953    fn respond_to_open_buffer_request(
4954        this: Entity<Self>,
4955        buffer: Entity<Buffer>,
4956        peer_id: proto::PeerId,
4957        cx: &mut AsyncApp,
4958    ) -> Result<proto::OpenBufferResponse> {
4959        this.update(cx, |this, cx| {
4960            let is_private = buffer
4961                .read(cx)
4962                .file()
4963                .map(|f| f.is_private())
4964                .unwrap_or_default();
4965            anyhow::ensure!(!is_private, ErrorCode::UnsharedItem);
4966            Ok(proto::OpenBufferResponse {
4967                buffer_id: this.create_buffer_for_peer(&buffer, peer_id, cx).into(),
4968            })
4969        })?
4970    }
4971
4972    fn create_buffer_for_peer(
4973        &mut self,
4974        buffer: &Entity<Buffer>,
4975        peer_id: proto::PeerId,
4976        cx: &mut App,
4977    ) -> BufferId {
4978        self.buffer_store
4979            .update(cx, |buffer_store, cx| {
4980                buffer_store.create_buffer_for_peer(buffer, peer_id, cx)
4981            })
4982            .detach_and_log_err(cx);
4983        buffer.read(cx).remote_id()
4984    }
4985
4986    fn synchronize_remote_buffers(&mut self, cx: &mut Context<Self>) -> Task<Result<()>> {
4987        let project_id = match self.client_state {
4988            ProjectClientState::Remote {
4989                sharing_has_stopped,
4990                remote_id,
4991                ..
4992            } => {
4993                if sharing_has_stopped {
4994                    return Task::ready(Err(anyhow!(
4995                        "can't synchronize remote buffers on a readonly project"
4996                    )));
4997                } else {
4998                    remote_id
4999                }
5000            }
5001            ProjectClientState::Shared { .. } | ProjectClientState::Local => {
5002                return Task::ready(Err(anyhow!(
5003                    "can't synchronize remote buffers on a local project"
5004                )));
5005            }
5006        };
5007
5008        let client = self.collab_client.clone();
5009        cx.spawn(async move |this, cx| {
5010            let (buffers, incomplete_buffer_ids) = this.update(cx, |this, cx| {
5011                this.buffer_store.read(cx).buffer_version_info(cx)
5012            })?;
5013            let response = client
5014                .request(proto::SynchronizeBuffers {
5015                    project_id,
5016                    buffers,
5017                })
5018                .await?;
5019
5020            let send_updates_for_buffers = this.update(cx, |this, cx| {
5021                response
5022                    .buffers
5023                    .into_iter()
5024                    .map(|buffer| {
5025                        let client = client.clone();
5026                        let buffer_id = match BufferId::new(buffer.id) {
5027                            Ok(id) => id,
5028                            Err(e) => {
5029                                return Task::ready(Err(e));
5030                            }
5031                        };
5032                        let remote_version = language::proto::deserialize_version(&buffer.version);
5033                        if let Some(buffer) = this.buffer_for_id(buffer_id, cx) {
5034                            let operations =
5035                                buffer.read(cx).serialize_ops(Some(remote_version), cx);
5036                            cx.background_spawn(async move {
5037                                let operations = operations.await;
5038                                for chunk in split_operations(operations) {
5039                                    client
5040                                        .request(proto::UpdateBuffer {
5041                                            project_id,
5042                                            buffer_id: buffer_id.into(),
5043                                            operations: chunk,
5044                                        })
5045                                        .await?;
5046                                }
5047                                anyhow::Ok(())
5048                            })
5049                        } else {
5050                            Task::ready(Ok(()))
5051                        }
5052                    })
5053                    .collect::<Vec<_>>()
5054            })?;
5055
5056            // Any incomplete buffers have open requests waiting. Request that the host sends
5057            // creates these buffers for us again to unblock any waiting futures.
5058            for id in incomplete_buffer_ids {
5059                cx.background_spawn(client.request(proto::OpenBufferById {
5060                    project_id,
5061                    id: id.into(),
5062                }))
5063                .detach();
5064            }
5065
5066            futures::future::join_all(send_updates_for_buffers)
5067                .await
5068                .into_iter()
5069                .collect()
5070        })
5071    }
5072
5073    pub fn worktree_metadata_protos(&self, cx: &App) -> Vec<proto::WorktreeMetadata> {
5074        self.worktree_store.read(cx).worktree_metadata_protos(cx)
5075    }
5076
5077    /// Iterator of all open buffers that have unsaved changes
5078    pub fn dirty_buffers<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = ProjectPath> + 'a {
5079        self.buffer_store.read(cx).buffers().filter_map(|buf| {
5080            let buf = buf.read(cx);
5081            if buf.is_dirty() {
5082                buf.project_path(cx)
5083            } else {
5084                None
5085            }
5086        })
5087    }
5088
5089    fn set_worktrees_from_proto(
5090        &mut self,
5091        worktrees: Vec<proto::WorktreeMetadata>,
5092        cx: &mut Context<Project>,
5093    ) -> Result<()> {
5094        self.worktree_store.update(cx, |worktree_store, cx| {
5095            worktree_store.set_worktrees_from_proto(worktrees, self.replica_id(), cx)
5096        })
5097    }
5098
5099    fn set_collaborators_from_proto(
5100        &mut self,
5101        messages: Vec<proto::Collaborator>,
5102        cx: &mut Context<Self>,
5103    ) -> Result<()> {
5104        let mut collaborators = HashMap::default();
5105        for message in messages {
5106            let collaborator = Collaborator::from_proto(message)?;
5107            collaborators.insert(collaborator.peer_id, collaborator);
5108        }
5109        for old_peer_id in self.collaborators.keys() {
5110            if !collaborators.contains_key(old_peer_id) {
5111                cx.emit(Event::CollaboratorLeft(*old_peer_id));
5112            }
5113        }
5114        self.collaborators = collaborators;
5115        Ok(())
5116    }
5117
5118    pub fn supplementary_language_servers<'a>(
5119        &'a self,
5120        cx: &'a App,
5121    ) -> impl 'a + Iterator<Item = (LanguageServerId, LanguageServerName)> {
5122        self.lsp_store.read(cx).supplementary_language_servers()
5123    }
5124
5125    pub fn any_language_server_supports_inlay_hints(&self, buffer: &Buffer, cx: &mut App) -> bool {
5126        let Some(language) = buffer.language().cloned() else {
5127            return false;
5128        };
5129        self.lsp_store.update(cx, |lsp_store, _| {
5130            let relevant_language_servers = lsp_store
5131                .languages
5132                .lsp_adapters(&language.name())
5133                .into_iter()
5134                .map(|lsp_adapter| lsp_adapter.name())
5135                .collect::<HashSet<_>>();
5136            lsp_store
5137                .language_server_statuses()
5138                .filter_map(|(server_id, server_status)| {
5139                    relevant_language_servers
5140                        .contains(&server_status.name)
5141                        .then_some(server_id)
5142                })
5143                .filter_map(|server_id| lsp_store.lsp_server_capabilities.get(&server_id))
5144                .any(InlayHints::check_capabilities)
5145        })
5146    }
5147
5148    pub fn language_server_id_for_name(
5149        &self,
5150        buffer: &Buffer,
5151        name: &LanguageServerName,
5152        cx: &App,
5153    ) -> Option<LanguageServerId> {
5154        let language = buffer.language()?;
5155        let relevant_language_servers = self
5156            .languages
5157            .lsp_adapters(&language.name())
5158            .into_iter()
5159            .map(|lsp_adapter| lsp_adapter.name())
5160            .collect::<HashSet<_>>();
5161        if !relevant_language_servers.contains(name) {
5162            return None;
5163        }
5164        self.language_server_statuses(cx)
5165            .filter(|(_, server_status)| relevant_language_servers.contains(&server_status.name))
5166            .find_map(|(server_id, server_status)| {
5167                if &server_status.name == name {
5168                    Some(server_id)
5169                } else {
5170                    None
5171                }
5172            })
5173    }
5174
5175    pub fn has_language_servers_for(&self, buffer: &Buffer, cx: &mut App) -> bool {
5176        self.lsp_store.update(cx, |this, cx| {
5177            this.language_servers_for_local_buffer(buffer, cx)
5178                .next()
5179                .is_some()
5180        })
5181    }
5182
5183    pub fn git_init(
5184        &self,
5185        path: Arc<Path>,
5186        fallback_branch_name: String,
5187        cx: &App,
5188    ) -> Task<Result<()>> {
5189        self.git_store
5190            .read(cx)
5191            .git_init(path, fallback_branch_name, cx)
5192    }
5193
5194    pub fn buffer_store(&self) -> &Entity<BufferStore> {
5195        &self.buffer_store
5196    }
5197
5198    pub fn git_store(&self) -> &Entity<GitStore> {
5199        &self.git_store
5200    }
5201
5202    #[cfg(test)]
5203    fn git_scans_complete(&self, cx: &Context<Self>) -> Task<()> {
5204        cx.spawn(async move |this, cx| {
5205            let scans_complete = this
5206                .read_with(cx, |this, cx| {
5207                    this.worktrees(cx)
5208                        .filter_map(|worktree| Some(worktree.read(cx).as_local()?.scan_complete()))
5209                        .collect::<Vec<_>>()
5210                })
5211                .unwrap();
5212            join_all(scans_complete).await;
5213            let barriers = this
5214                .update(cx, |this, cx| {
5215                    let repos = this.repositories(cx).values().cloned().collect::<Vec<_>>();
5216                    repos
5217                        .into_iter()
5218                        .map(|repo| repo.update(cx, |repo, _| repo.barrier()))
5219                        .collect::<Vec<_>>()
5220                })
5221                .unwrap();
5222            join_all(barriers).await;
5223        })
5224    }
5225
5226    pub fn active_repository(&self, cx: &App) -> Option<Entity<Repository>> {
5227        self.git_store.read(cx).active_repository()
5228    }
5229
5230    pub fn repositories<'a>(&self, cx: &'a App) -> &'a HashMap<RepositoryId, Entity<Repository>> {
5231        self.git_store.read(cx).repositories()
5232    }
5233
5234    pub fn status_for_buffer_id(&self, buffer_id: BufferId, cx: &App) -> Option<FileStatus> {
5235        self.git_store.read(cx).status_for_buffer_id(buffer_id, cx)
5236    }
5237
5238    pub fn set_agent_location(
5239        &mut self,
5240        new_location: Option<AgentLocation>,
5241        cx: &mut Context<Self>,
5242    ) {
5243        if let Some(old_location) = self.agent_location.as_ref() {
5244            old_location
5245                .buffer
5246                .update(cx, |buffer, cx| buffer.remove_agent_selections(cx))
5247                .ok();
5248        }
5249
5250        if let Some(location) = new_location.as_ref() {
5251            location
5252                .buffer
5253                .update(cx, |buffer, cx| {
5254                    buffer.set_agent_selections(
5255                        Arc::from([language::Selection {
5256                            id: 0,
5257                            start: location.position,
5258                            end: location.position,
5259                            reversed: false,
5260                            goal: language::SelectionGoal::None,
5261                        }]),
5262                        false,
5263                        CursorShape::Hollow,
5264                        cx,
5265                    )
5266                })
5267                .ok();
5268        }
5269
5270        self.agent_location = new_location;
5271        cx.emit(Event::AgentLocationChanged);
5272    }
5273
5274    pub fn agent_location(&self) -> Option<AgentLocation> {
5275        self.agent_location.clone()
5276    }
5277}
5278
5279pub struct PathMatchCandidateSet {
5280    pub snapshot: Snapshot,
5281    pub include_ignored: bool,
5282    pub include_root_name: bool,
5283    pub candidates: Candidates,
5284}
5285
5286pub enum Candidates {
5287    /// Only consider directories.
5288    Directories,
5289    /// Only consider files.
5290    Files,
5291    /// Consider directories and files.
5292    Entries,
5293}
5294
5295impl<'a> fuzzy::PathMatchCandidateSet<'a> for PathMatchCandidateSet {
5296    type Candidates = PathMatchCandidateSetIter<'a>;
5297
5298    fn id(&self) -> usize {
5299        self.snapshot.id().to_usize()
5300    }
5301
5302    fn len(&self) -> usize {
5303        match self.candidates {
5304            Candidates::Files => {
5305                if self.include_ignored {
5306                    self.snapshot.file_count()
5307                } else {
5308                    self.snapshot.visible_file_count()
5309                }
5310            }
5311
5312            Candidates::Directories => {
5313                if self.include_ignored {
5314                    self.snapshot.dir_count()
5315                } else {
5316                    self.snapshot.visible_dir_count()
5317                }
5318            }
5319
5320            Candidates::Entries => {
5321                if self.include_ignored {
5322                    self.snapshot.entry_count()
5323                } else {
5324                    self.snapshot.visible_entry_count()
5325                }
5326            }
5327        }
5328    }
5329
5330    fn prefix(&self) -> Arc<str> {
5331        if self.snapshot.root_entry().is_some_and(|e| e.is_file()) {
5332            self.snapshot.root_name().into()
5333        } else if self.include_root_name {
5334            format!("{}{}", self.snapshot.root_name(), std::path::MAIN_SEPARATOR).into()
5335        } else {
5336            Arc::default()
5337        }
5338    }
5339
5340    fn candidates(&'a self, start: usize) -> Self::Candidates {
5341        PathMatchCandidateSetIter {
5342            traversal: match self.candidates {
5343                Candidates::Directories => self.snapshot.directories(self.include_ignored, start),
5344                Candidates::Files => self.snapshot.files(self.include_ignored, start),
5345                Candidates::Entries => self.snapshot.entries(self.include_ignored, start),
5346            },
5347        }
5348    }
5349}
5350
5351pub struct PathMatchCandidateSetIter<'a> {
5352    traversal: Traversal<'a>,
5353}
5354
5355impl<'a> Iterator for PathMatchCandidateSetIter<'a> {
5356    type Item = fuzzy::PathMatchCandidate<'a>;
5357
5358    fn next(&mut self) -> Option<Self::Item> {
5359        self.traversal
5360            .next()
5361            .map(|entry| fuzzy::PathMatchCandidate {
5362                is_dir: entry.kind.is_dir(),
5363                path: &entry.path,
5364                char_bag: entry.char_bag,
5365            })
5366    }
5367}
5368
5369impl EventEmitter<Event> for Project {}
5370
5371impl<'a> From<&'a ProjectPath> for SettingsLocation<'a> {
5372    fn from(val: &'a ProjectPath) -> Self {
5373        SettingsLocation {
5374            worktree_id: val.worktree_id,
5375            path: val.path.as_ref(),
5376        }
5377    }
5378}
5379
5380impl<P: AsRef<Path>> From<(WorktreeId, P)> for ProjectPath {
5381    fn from((worktree_id, path): (WorktreeId, P)) -> Self {
5382        Self {
5383            worktree_id,
5384            path: path.as_ref().into(),
5385        }
5386    }
5387}
5388
5389pub fn relativize_path(base: &Path, path: &Path) -> PathBuf {
5390    let mut path_components = path.components();
5391    let mut base_components = base.components();
5392    let mut components: Vec<Component> = Vec::new();
5393    loop {
5394        match (path_components.next(), base_components.next()) {
5395            (None, None) => break,
5396            (Some(a), None) => {
5397                components.push(a);
5398                components.extend(path_components.by_ref());
5399                break;
5400            }
5401            (None, _) => components.push(Component::ParentDir),
5402            (Some(a), Some(b)) if components.is_empty() && a == b => (),
5403            (Some(a), Some(Component::CurDir)) => components.push(a),
5404            (Some(a), Some(_)) => {
5405                components.push(Component::ParentDir);
5406                for _ in base_components {
5407                    components.push(Component::ParentDir);
5408                }
5409                components.push(a);
5410                components.extend(path_components.by_ref());
5411                break;
5412            }
5413        }
5414    }
5415    components.iter().map(|c| c.as_os_str()).collect()
5416}
5417
5418fn resolve_path(base: &Path, path: &Path) -> PathBuf {
5419    let mut result = base.to_path_buf();
5420    for component in path.components() {
5421        match component {
5422            Component::ParentDir => {
5423                result.pop();
5424            }
5425            Component::CurDir => (),
5426            _ => result.push(component),
5427        }
5428    }
5429    result
5430}
5431
5432/// ResolvedPath is a path that has been resolved to either a ProjectPath
5433/// or an AbsPath and that *exists*.
5434#[derive(Debug, Clone)]
5435pub enum ResolvedPath {
5436    ProjectPath {
5437        project_path: ProjectPath,
5438        is_dir: bool,
5439    },
5440    AbsPath {
5441        path: PathBuf,
5442        is_dir: bool,
5443    },
5444}
5445
5446impl ResolvedPath {
5447    pub fn abs_path(&self) -> Option<&Path> {
5448        match self {
5449            Self::AbsPath { path, .. } => Some(path.as_path()),
5450            _ => None,
5451        }
5452    }
5453
5454    pub fn into_abs_path(self) -> Option<PathBuf> {
5455        match self {
5456            Self::AbsPath { path, .. } => Some(path),
5457            _ => None,
5458        }
5459    }
5460
5461    pub fn project_path(&self) -> Option<&ProjectPath> {
5462        match self {
5463            Self::ProjectPath { project_path, .. } => Some(project_path),
5464            _ => None,
5465        }
5466    }
5467
5468    pub fn is_file(&self) -> bool {
5469        !self.is_dir()
5470    }
5471
5472    pub fn is_dir(&self) -> bool {
5473        match self {
5474            Self::ProjectPath { is_dir, .. } => *is_dir,
5475            Self::AbsPath { is_dir, .. } => *is_dir,
5476        }
5477    }
5478}
5479
5480impl ProjectItem for Buffer {
5481    fn try_open(
5482        project: &Entity<Project>,
5483        path: &ProjectPath,
5484        cx: &mut App,
5485    ) -> Option<Task<Result<Entity<Self>>>> {
5486        Some(project.update(cx, |project, cx| project.open_buffer(path.clone(), cx)))
5487    }
5488
5489    fn entry_id(&self, cx: &App) -> Option<ProjectEntryId> {
5490        File::from_dyn(self.file()).and_then(|file| file.project_entry_id(cx))
5491    }
5492
5493    fn project_path(&self, cx: &App) -> Option<ProjectPath> {
5494        self.file().map(|file| ProjectPath {
5495            worktree_id: file.worktree_id(cx),
5496            path: file.path().clone(),
5497        })
5498    }
5499
5500    fn is_dirty(&self) -> bool {
5501        self.is_dirty()
5502    }
5503}
5504
5505impl Completion {
5506    pub fn kind(&self) -> Option<CompletionItemKind> {
5507        self.source
5508            // `lsp::CompletionListItemDefaults` has no `kind` field
5509            .lsp_completion(false)
5510            .and_then(|lsp_completion| lsp_completion.kind)
5511    }
5512
5513    pub fn label(&self) -> Option<String> {
5514        self.source
5515            .lsp_completion(false)
5516            .map(|lsp_completion| lsp_completion.label.clone())
5517    }
5518
5519    /// A key that can be used to sort completions when displaying
5520    /// them to the user.
5521    pub fn sort_key(&self) -> (usize, &str) {
5522        const DEFAULT_KIND_KEY: usize = 4;
5523        let kind_key = self
5524            .kind()
5525            .and_then(|lsp_completion_kind| match lsp_completion_kind {
5526                lsp::CompletionItemKind::KEYWORD => Some(0),
5527                lsp::CompletionItemKind::VARIABLE => Some(1),
5528                lsp::CompletionItemKind::CONSTANT => Some(2),
5529                lsp::CompletionItemKind::PROPERTY => Some(3),
5530                _ => None,
5531            })
5532            .unwrap_or(DEFAULT_KIND_KEY);
5533        (kind_key, self.label.filter_text())
5534    }
5535
5536    /// Whether this completion is a snippet.
5537    pub fn is_snippet(&self) -> bool {
5538        self.source
5539            // `lsp::CompletionListItemDefaults` has `insert_text_format` field
5540            .lsp_completion(true)
5541            .is_some_and(|lsp_completion| {
5542                lsp_completion.insert_text_format == Some(lsp::InsertTextFormat::SNIPPET)
5543            })
5544    }
5545
5546    /// Returns the corresponding color for this completion.
5547    ///
5548    /// Will return `None` if this completion's kind is not [`CompletionItemKind::COLOR`].
5549    pub fn color(&self) -> Option<Hsla> {
5550        // `lsp::CompletionListItemDefaults` has no `kind` field
5551        let lsp_completion = self.source.lsp_completion(false)?;
5552        if lsp_completion.kind? == CompletionItemKind::COLOR {
5553            return color_extractor::extract_color(&lsp_completion);
5554        }
5555        None
5556    }
5557}
5558
5559pub fn sort_worktree_entries(entries: &mut [impl AsRef<Entry>]) {
5560    entries.sort_by(|entry_a, entry_b| {
5561        let entry_a = entry_a.as_ref();
5562        let entry_b = entry_b.as_ref();
5563        compare_paths(
5564            (&entry_a.path, entry_a.is_file()),
5565            (&entry_b.path, entry_b.is_file()),
5566        )
5567    });
5568}
5569
5570fn proto_to_prompt(level: proto::language_server_prompt_request::Level) -> gpui::PromptLevel {
5571    match level {
5572        proto::language_server_prompt_request::Level::Info(_) => gpui::PromptLevel::Info,
5573        proto::language_server_prompt_request::Level::Warning(_) => gpui::PromptLevel::Warning,
5574        proto::language_server_prompt_request::Level::Critical(_) => gpui::PromptLevel::Critical,
5575    }
5576}
5577
5578fn provide_inline_values(
5579    captures: impl Iterator<Item = (Range<usize>, language::DebuggerTextObject)>,
5580    snapshot: &language::BufferSnapshot,
5581    max_row: usize,
5582) -> Vec<InlineValueLocation> {
5583    let mut variables = Vec::new();
5584    let mut variable_position = HashSet::default();
5585    let mut scopes = Vec::new();
5586
5587    let active_debug_line_offset = snapshot.point_to_offset(Point::new(max_row as u32, 0));
5588
5589    for (capture_range, capture_kind) in captures {
5590        match capture_kind {
5591            language::DebuggerTextObject::Variable => {
5592                let variable_name = snapshot
5593                    .text_for_range(capture_range.clone())
5594                    .collect::<String>();
5595                let point = snapshot.offset_to_point(capture_range.end);
5596
5597                while scopes
5598                    .last()
5599                    .is_some_and(|scope: &Range<_>| !scope.contains(&capture_range.start))
5600                {
5601                    scopes.pop();
5602                }
5603
5604                if point.row as usize > max_row {
5605                    break;
5606                }
5607
5608                let scope = if scopes
5609                    .last()
5610                    .is_none_or(|scope| !scope.contains(&active_debug_line_offset))
5611                {
5612                    VariableScope::Global
5613                } else {
5614                    VariableScope::Local
5615                };
5616
5617                if variable_position.insert(capture_range.end) {
5618                    variables.push(InlineValueLocation {
5619                        variable_name,
5620                        scope,
5621                        lookup: VariableLookupKind::Variable,
5622                        row: point.row as usize,
5623                        column: point.column as usize,
5624                    });
5625                }
5626            }
5627            language::DebuggerTextObject::Scope => {
5628                while scopes.last().map_or_else(
5629                    || false,
5630                    |scope: &Range<usize>| {
5631                        !(scope.contains(&capture_range.start)
5632                            && scope.contains(&capture_range.end))
5633                    },
5634                ) {
5635                    scopes.pop();
5636                }
5637                scopes.push(capture_range);
5638            }
5639        }
5640    }
5641
5642    variables
5643}
5644
5645#[cfg(test)]
5646mod disable_ai_settings_tests {
5647    use super::*;
5648    use gpui::TestAppContext;
5649    use settings::{Settings, SettingsSources};
5650
5651    #[gpui::test]
5652    async fn test_disable_ai_settings_security(cx: &mut TestAppContext) {
5653        fn disable_setting(value: Option<bool>) -> DisableAiSettingContent {
5654            DisableAiSettingContent { disable_ai: value }
5655        }
5656        cx.update(|cx| {
5657            // Test 1: Default is false (AI enabled)
5658            let sources = SettingsSources {
5659                default: &DisableAiSettingContent {
5660                    disable_ai: Some(false),
5661                },
5662                global: None,
5663                extensions: None,
5664                user: None,
5665                release_channel: None,
5666                operating_system: None,
5667                profile: None,
5668                server: None,
5669                project: &[],
5670            };
5671            let settings = DisableAiSettings::load(sources, cx).unwrap();
5672            assert!(!settings.disable_ai, "Default should allow AI");
5673
5674            // Test 2: Global true, local false -> still disabled (local cannot re-enable)
5675            let global_true = disable_setting(Some(true));
5676            let local_false = disable_setting(Some(false));
5677            let sources = SettingsSources {
5678                default: &disable_setting(Some(false)),
5679                global: None,
5680                extensions: None,
5681                user: Some(&global_true),
5682                release_channel: None,
5683                operating_system: None,
5684                profile: None,
5685                server: None,
5686                project: &[&local_false],
5687            };
5688            let settings = DisableAiSettings::load(sources, cx).unwrap();
5689            assert!(
5690                settings.disable_ai,
5691                "Local false cannot override global true"
5692            );
5693
5694            // Test 3: Global false, local true -> disabled (local can make more restrictive)
5695            let global_false = disable_setting(Some(false));
5696            let local_true = disable_setting(Some(true));
5697            let sources = SettingsSources {
5698                default: &disable_setting(Some(false)),
5699                global: None,
5700                extensions: None,
5701                user: Some(&global_false),
5702                release_channel: None,
5703                operating_system: None,
5704                profile: None,
5705                server: None,
5706                project: &[&local_true],
5707            };
5708            let settings = DisableAiSettings::load(sources, cx).unwrap();
5709            assert!(settings.disable_ai, "Local true can override global false");
5710
5711            // Test 4: Server can only make more restrictive (set to true)
5712            let user_false = disable_setting(Some(false));
5713            let server_true = disable_setting(Some(true));
5714            let sources = SettingsSources {
5715                default: &disable_setting(Some(false)),
5716                global: None,
5717                extensions: None,
5718                user: Some(&user_false),
5719                release_channel: None,
5720                operating_system: None,
5721                profile: None,
5722                server: Some(&server_true),
5723                project: &[],
5724            };
5725            let settings = DisableAiSettings::load(sources, cx).unwrap();
5726            assert!(
5727                settings.disable_ai,
5728                "Server can set to true even if user is false"
5729            );
5730
5731            // Test 5: Server false cannot override user true
5732            let user_true = disable_setting(Some(true));
5733            let server_false = disable_setting(Some(false));
5734            let sources = SettingsSources {
5735                default: &disable_setting(Some(false)),
5736                global: None,
5737                extensions: None,
5738                user: Some(&user_true),
5739                release_channel: None,
5740                operating_system: None,
5741                profile: None,
5742                server: Some(&server_false),
5743                project: &[],
5744            };
5745            let settings = DisableAiSettings::load(sources, cx).unwrap();
5746            assert!(
5747                settings.disable_ai,
5748                "Server false cannot override user true"
5749            );
5750
5751            // Test 6: Multiple local settings, any true disables AI
5752            let global_false = disable_setting(Some(false));
5753            let local_false3 = disable_setting(Some(false));
5754            let local_true2 = disable_setting(Some(true));
5755            let local_false4 = disable_setting(Some(false));
5756            let sources = SettingsSources {
5757                default: &disable_setting(Some(false)),
5758                global: None,
5759                extensions: None,
5760                user: Some(&global_false),
5761                release_channel: None,
5762                operating_system: None,
5763                profile: None,
5764                server: None,
5765                project: &[&local_false3, &local_true2, &local_false4],
5766            };
5767            let settings = DisableAiSettings::load(sources, cx).unwrap();
5768            assert!(settings.disable_ai, "Any local true should disable AI");
5769
5770            // Test 7: All three sources can independently disable AI
5771            let user_false2 = disable_setting(Some(false));
5772            let server_false2 = disable_setting(Some(false));
5773            let local_true3 = disable_setting(Some(true));
5774            let sources = SettingsSources {
5775                default: &disable_setting(Some(false)),
5776                global: None,
5777                extensions: None,
5778                user: Some(&user_false2),
5779                release_channel: None,
5780                operating_system: None,
5781                profile: None,
5782                server: Some(&server_false2),
5783                project: &[&local_true3],
5784            };
5785            let settings = DisableAiSettings::load(sources, cx).unwrap();
5786            assert!(
5787                settings.disable_ai,
5788                "Local can disable even if user and server are false"
5789            );
5790        });
5791    }
5792}