project.rs

   1pub mod agent_server_store;
   2pub mod buffer_store;
   3mod color_extractor;
   4pub mod connection_manager;
   5pub mod context_server_store;
   6pub mod debounced_delay;
   7pub mod debugger;
   8pub mod git_store;
   9pub mod image_store;
  10pub mod lsp_command;
  11pub mod lsp_store;
  12mod manifest_tree;
  13pub mod prettier_store;
  14pub mod project_settings;
  15pub mod search;
  16mod task_inventory;
  17pub mod task_store;
  18pub mod telemetry_snapshot;
  19pub mod terminals;
  20pub mod toolchain_store;
  21pub mod worktree_store;
  22
  23#[cfg(test)]
  24mod project_tests;
  25
  26mod environment;
  27use buffer_diff::BufferDiff;
  28use context_server_store::ContextServerStore;
  29
  30use encodings::EncodingOptions;
  31pub use environment::ProjectEnvironmentEvent;
  32use git::repository::get_git_committer;
  33use git_store::{Repository, RepositoryId};
  34
  35pub mod search_history;
  36mod yarn;
  37
  38use dap::inline_value::{InlineValueLocation, VariableLookupKind, VariableScope};
  39use task::Shell;
  40
  41use crate::{
  42    agent_server_store::AllAgentServersSettings,
  43    git_store::GitStore,
  44    lsp_store::{SymbolLocation, log_store::LogKind},
  45};
  46pub use agent_server_store::{AgentServerStore, AgentServersUpdated, ExternalAgentServerName};
  47pub use git_store::{
  48    ConflictRegion, ConflictSet, ConflictSetSnapshot, ConflictSetUpdate,
  49    git_traversal::{ChildEntriesGitIter, GitEntry, GitEntryRef, GitTraversal},
  50};
  51pub use manifest_tree::ManifestTree;
  52
  53use anyhow::{Context as _, Result, anyhow};
  54use buffer_store::{BufferStore, BufferStoreEvent};
  55use client::{Client, Collaborator, PendingEntitySubscription, TypedEnvelope, UserStore, proto};
  56use clock::ReplicaId;
  57
  58use dap::client::DebugAdapterClient;
  59
  60use collections::{BTreeSet, HashMap, HashSet, IndexSet};
  61use debounced_delay::DebouncedDelay;
  62pub use debugger::breakpoint_store::BreakpointWithPosition;
  63use debugger::{
  64    breakpoint_store::{ActiveStackFrame, BreakpointStore},
  65    dap_store::{DapStore, DapStoreEvent},
  66    session::Session,
  67};
  68pub use environment::ProjectEnvironment;
  69#[cfg(test)]
  70use futures::future::join_all;
  71use futures::{
  72    StreamExt,
  73    channel::mpsc::{self, UnboundedReceiver},
  74    future::{Shared, try_join_all},
  75};
  76pub use image_store::{ImageItem, ImageStore};
  77use image_store::{ImageItemEvent, ImageStoreEvent};
  78
  79use ::git::{blame::Blame, status::FileStatus};
  80use gpui::{
  81    App, AppContext, AsyncApp, BorrowAppContext, Context, Entity, EventEmitter, Hsla, SharedString,
  82    Task, WeakEntity, Window,
  83};
  84use language::{
  85    Buffer, BufferEvent, Capability, CodeLabel, CursorShape, Language, LanguageName,
  86    LanguageRegistry, PointUtf16, ToOffset, ToPointUtf16, Toolchain, ToolchainMetadata,
  87    ToolchainScope, Transaction, Unclipped, language_settings::InlayHintKind,
  88    proto::split_operations,
  89};
  90use lsp::{
  91    CodeActionKind, CompletionContext, CompletionItemKind, DocumentHighlightKind, InsertTextMode,
  92    LanguageServerId, LanguageServerName, LanguageServerSelector, MessageActionItem,
  93};
  94use lsp_command::*;
  95use lsp_store::{CompletionDocumentation, LspFormatTarget, OpenLspBufferHandle};
  96pub use manifest_tree::ManifestProvidersStore;
  97use node_runtime::NodeRuntime;
  98use parking_lot::Mutex;
  99pub use prettier_store::PrettierStore;
 100use project_settings::{ProjectSettings, SettingsObserver, SettingsObserverEvent};
 101use remote::{RemoteClient, RemoteConnectionOptions};
 102use rpc::{
 103    AnyProtoClient, ErrorCode,
 104    proto::{LanguageServerPromptResponse, REMOTE_SERVER_PROJECT_ID},
 105};
 106use search::{SearchInputKind, SearchQuery, SearchResult};
 107use search_history::SearchHistory;
 108use settings::{InvalidSettingsError, Settings, SettingsLocation, SettingsStore};
 109use smol::channel::Receiver;
 110use snippet::Snippet;
 111use snippet_provider::SnippetProvider;
 112use std::{
 113    borrow::Cow,
 114    collections::BTreeMap,
 115    ops::Range,
 116    path::{Path, PathBuf},
 117    pin::pin,
 118    str,
 119    sync::Arc,
 120    time::Duration,
 121};
 122
 123use task_store::TaskStore;
 124use terminals::Terminals;
 125use text::{Anchor, BufferId, OffsetRangeExt, Point, Rope};
 126use toolchain_store::EmptyToolchainStore;
 127use util::{
 128    ResultExt as _, maybe,
 129    paths::{PathStyle, SanitizedPath, compare_paths, is_absolute},
 130    rel_path::RelPath,
 131};
 132use worktree::{CreatedEntry, Snapshot, Traversal};
 133pub use worktree::{
 134    Entry, EntryKind, FS_WATCH_LATENCY, File, LocalWorktree, PathChange, ProjectEntryId,
 135    UpdatedEntriesSet, UpdatedGitRepositoriesSet, Worktree, WorktreeId, WorktreeSettings,
 136};
 137use worktree_store::{WorktreeStore, WorktreeStoreEvent};
 138
 139pub use fs::*;
 140pub use language::Location;
 141#[cfg(any(test, feature = "test-support"))]
 142pub use prettier::FORMAT_SUFFIX as TEST_PRETTIER_FORMAT_SUFFIX;
 143pub use task_inventory::{
 144    BasicContextProvider, ContextProviderWithTasks, DebugScenarioContext, Inventory, TaskContexts,
 145    TaskSourceKind,
 146};
 147
 148pub use buffer_store::ProjectTransaction;
 149pub use lsp_store::{
 150    DiagnosticSummary, InvalidationStrategy, LanguageServerLogType, LanguageServerProgress,
 151    LanguageServerPromptRequest, LanguageServerStatus, LanguageServerToQuery, LspStore,
 152    LspStoreEvent, ProgressToken, SERVER_PROGRESS_THROTTLE_TIMEOUT,
 153};
 154pub use toolchain_store::{ToolchainStore, Toolchains};
 155const MAX_PROJECT_SEARCH_HISTORY_SIZE: usize = 500;
 156const MAX_SEARCH_RESULT_FILES: usize = 5_000;
 157const MAX_SEARCH_RESULT_RANGES: usize = 10_000;
 158
 159pub trait ProjectItem: 'static {
 160    fn try_open(
 161        project: &Entity<Project>,
 162        path: &ProjectPath,
 163        cx: &mut App,
 164    ) -> Option<Task<Result<Entity<Self>>>>
 165    where
 166        Self: Sized;
 167    fn entry_id(&self, cx: &App) -> Option<ProjectEntryId>;
 168    fn project_path(&self, cx: &App) -> Option<ProjectPath>;
 169    fn is_dirty(&self) -> bool;
 170}
 171
 172#[derive(Clone)]
 173pub enum OpenedBufferEvent {
 174    Disconnected,
 175    Ok(BufferId),
 176    Err(BufferId, Arc<anyhow::Error>),
 177}
 178
 179/// Semantics-aware entity that is relevant to one or more [`Worktree`] with the files.
 180/// `Project` is responsible for tasks, LSP and collab queries, synchronizing worktree states accordingly.
 181/// Maps [`Worktree`] entries with its own logic using [`ProjectEntryId`] and [`ProjectPath`] structs.
 182///
 183/// Can be either local (for the project opened on the same host) or remote.(for collab projects, browsed by multiple remote users).
 184pub struct Project {
 185    active_entry: Option<ProjectEntryId>,
 186    buffer_ordered_messages_tx: mpsc::UnboundedSender<BufferOrderedMessage>,
 187    languages: Arc<LanguageRegistry>,
 188    dap_store: Entity<DapStore>,
 189    agent_server_store: Entity<AgentServerStore>,
 190
 191    breakpoint_store: Entity<BreakpointStore>,
 192    collab_client: Arc<client::Client>,
 193    join_project_response_message_id: u32,
 194    task_store: Entity<TaskStore>,
 195    user_store: Entity<UserStore>,
 196    fs: Arc<dyn Fs>,
 197    remote_client: Option<Entity<RemoteClient>>,
 198    client_state: ProjectClientState,
 199    git_store: Entity<GitStore>,
 200    collaborators: HashMap<proto::PeerId, Collaborator>,
 201    client_subscriptions: Vec<client::Subscription>,
 202    worktree_store: Entity<WorktreeStore>,
 203    buffer_store: Entity<BufferStore>,
 204    context_server_store: Entity<ContextServerStore>,
 205    image_store: Entity<ImageStore>,
 206    lsp_store: Entity<LspStore>,
 207    _subscriptions: Vec<gpui::Subscription>,
 208    buffers_needing_diff: HashSet<WeakEntity<Buffer>>,
 209    git_diff_debouncer: DebouncedDelay<Self>,
 210    remotely_created_models: Arc<Mutex<RemotelyCreatedModels>>,
 211    terminals: Terminals,
 212    node: Option<NodeRuntime>,
 213    search_history: SearchHistory,
 214    search_included_history: SearchHistory,
 215    search_excluded_history: SearchHistory,
 216    snippets: Entity<SnippetProvider>,
 217    environment: Entity<ProjectEnvironment>,
 218    settings_observer: Entity<SettingsObserver>,
 219    toolchain_store: Option<Entity<ToolchainStore>>,
 220    agent_location: Option<AgentLocation>,
 221    pub encoding_options: EncodingOptions,
 222}
 223
 224#[derive(Clone, Debug, PartialEq, Eq)]
 225pub struct AgentLocation {
 226    pub buffer: WeakEntity<Buffer>,
 227    pub position: Anchor,
 228}
 229
 230#[derive(Default)]
 231struct RemotelyCreatedModels {
 232    worktrees: Vec<Entity<Worktree>>,
 233    buffers: Vec<Entity<Buffer>>,
 234    retain_count: usize,
 235}
 236
 237struct RemotelyCreatedModelGuard {
 238    remote_models: std::sync::Weak<Mutex<RemotelyCreatedModels>>,
 239}
 240
 241impl Drop for RemotelyCreatedModelGuard {
 242    fn drop(&mut self) {
 243        if let Some(remote_models) = self.remote_models.upgrade() {
 244            let mut remote_models = remote_models.lock();
 245            assert!(
 246                remote_models.retain_count > 0,
 247                "RemotelyCreatedModelGuard dropped too many times"
 248            );
 249            remote_models.retain_count -= 1;
 250            if remote_models.retain_count == 0 {
 251                remote_models.buffers.clear();
 252                remote_models.worktrees.clear();
 253            }
 254        }
 255    }
 256}
 257/// Message ordered with respect to buffer operations
 258#[derive(Debug)]
 259enum BufferOrderedMessage {
 260    Operation {
 261        buffer_id: BufferId,
 262        operation: proto::Operation,
 263    },
 264    LanguageServerUpdate {
 265        language_server_id: LanguageServerId,
 266        message: proto::update_language_server::Variant,
 267        name: Option<LanguageServerName>,
 268    },
 269    Resync,
 270}
 271
 272#[derive(Debug)]
 273enum ProjectClientState {
 274    /// Single-player mode.
 275    Local,
 276    /// Multi-player mode but still a local project.
 277    Shared { remote_id: u64 },
 278    /// Multi-player mode but working on a remote project.
 279    Remote {
 280        sharing_has_stopped: bool,
 281        capability: Capability,
 282        remote_id: u64,
 283        replica_id: ReplicaId,
 284    },
 285}
 286
 287#[derive(Clone, Debug, PartialEq)]
 288pub enum Event {
 289    LanguageServerAdded(LanguageServerId, LanguageServerName, Option<WorktreeId>),
 290    LanguageServerRemoved(LanguageServerId),
 291    LanguageServerLog(LanguageServerId, LanguageServerLogType, String),
 292    // [`lsp::notification::DidOpenTextDocument`] was sent to this server using the buffer data.
 293    // Zed's buffer-related data is updated accordingly.
 294    LanguageServerBufferRegistered {
 295        server_id: LanguageServerId,
 296        buffer_id: BufferId,
 297        buffer_abs_path: PathBuf,
 298        name: Option<LanguageServerName>,
 299    },
 300    ToggleLspLogs {
 301        server_id: LanguageServerId,
 302        enabled: bool,
 303        toggled_log_kind: LogKind,
 304    },
 305    Toast {
 306        notification_id: SharedString,
 307        message: String,
 308    },
 309    HideToast {
 310        notification_id: SharedString,
 311    },
 312    LanguageServerPrompt(LanguageServerPromptRequest),
 313    LanguageNotFound(Entity<Buffer>),
 314    ActiveEntryChanged(Option<ProjectEntryId>),
 315    ActivateProjectPanel,
 316    WorktreeAdded(WorktreeId),
 317    WorktreeOrderChanged,
 318    WorktreeRemoved(WorktreeId),
 319    WorktreeUpdatedEntries(WorktreeId, UpdatedEntriesSet),
 320    DiskBasedDiagnosticsStarted {
 321        language_server_id: LanguageServerId,
 322    },
 323    DiskBasedDiagnosticsFinished {
 324        language_server_id: LanguageServerId,
 325    },
 326    DiagnosticsUpdated {
 327        paths: Vec<ProjectPath>,
 328        language_server_id: LanguageServerId,
 329    },
 330    RemoteIdChanged(Option<u64>),
 331    DisconnectedFromHost,
 332    DisconnectedFromSshRemote,
 333    Closed,
 334    DeletedEntry(WorktreeId, ProjectEntryId),
 335    CollaboratorUpdated {
 336        old_peer_id: proto::PeerId,
 337        new_peer_id: proto::PeerId,
 338    },
 339    CollaboratorJoined(proto::PeerId),
 340    CollaboratorLeft(proto::PeerId),
 341    HostReshared,
 342    Reshared,
 343    Rejoined,
 344    RefreshInlayHints(LanguageServerId),
 345    RefreshCodeLens,
 346    RevealInProjectPanel(ProjectEntryId),
 347    SnippetEdit(BufferId, Vec<(lsp::Range, Snippet)>),
 348    ExpandedAllForEntry(WorktreeId, ProjectEntryId),
 349    EntryRenamed(ProjectTransaction),
 350    AgentLocationChanged,
 351}
 352
 353pub struct AgentLocationChanged;
 354
 355pub enum DebugAdapterClientState {
 356    Starting(Task<Option<Arc<DebugAdapterClient>>>),
 357    Running(Arc<DebugAdapterClient>),
 358}
 359
 360#[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord)]
 361pub struct ProjectPath {
 362    pub worktree_id: WorktreeId,
 363    pub path: Arc<RelPath>,
 364}
 365
 366impl ProjectPath {
 367    pub fn from_file(value: &dyn language::File, cx: &App) -> Self {
 368        ProjectPath {
 369            worktree_id: value.worktree_id(cx),
 370            path: value.path().clone(),
 371        }
 372    }
 373
 374    pub fn from_proto(p: proto::ProjectPath) -> Option<Self> {
 375        Some(Self {
 376            worktree_id: WorktreeId::from_proto(p.worktree_id),
 377            path: RelPath::from_proto(&p.path).log_err()?,
 378        })
 379    }
 380
 381    pub fn to_proto(&self) -> proto::ProjectPath {
 382        proto::ProjectPath {
 383            worktree_id: self.worktree_id.to_proto(),
 384            path: self.path.as_ref().to_proto(),
 385        }
 386    }
 387
 388    pub fn root_path(worktree_id: WorktreeId) -> Self {
 389        Self {
 390            worktree_id,
 391            path: RelPath::empty().into(),
 392        }
 393    }
 394
 395    pub fn starts_with(&self, other: &ProjectPath) -> bool {
 396        self.worktree_id == other.worktree_id && self.path.starts_with(&other.path)
 397    }
 398}
 399
 400#[derive(Debug, Default)]
 401pub enum PrepareRenameResponse {
 402    Success(Range<Anchor>),
 403    OnlyUnpreparedRenameSupported,
 404    #[default]
 405    InvalidPosition,
 406}
 407
 408#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
 409pub enum InlayId {
 410    EditPrediction(usize),
 411    DebuggerValue(usize),
 412    // LSP
 413    Hint(usize),
 414    Color(usize),
 415}
 416
 417impl InlayId {
 418    pub fn id(&self) -> usize {
 419        match self {
 420            Self::EditPrediction(id) => *id,
 421            Self::DebuggerValue(id) => *id,
 422            Self::Hint(id) => *id,
 423            Self::Color(id) => *id,
 424        }
 425    }
 426}
 427
 428#[derive(Debug, Clone, PartialEq, Eq)]
 429pub struct InlayHint {
 430    pub position: language::Anchor,
 431    pub label: InlayHintLabel,
 432    pub kind: Option<InlayHintKind>,
 433    pub padding_left: bool,
 434    pub padding_right: bool,
 435    pub tooltip: Option<InlayHintTooltip>,
 436    pub resolve_state: ResolveState,
 437}
 438
 439/// The user's intent behind a given completion confirmation
 440#[derive(PartialEq, Eq, Hash, Debug, Clone, Copy)]
 441pub enum CompletionIntent {
 442    /// The user intends to 'commit' this result, if possible
 443    /// completion confirmations should run side effects.
 444    ///
 445    /// For LSP completions, will respect the setting `completions.lsp_insert_mode`.
 446    Complete,
 447    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `insert`.
 448    CompleteWithInsert,
 449    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `replace`.
 450    CompleteWithReplace,
 451    /// The user intends to continue 'composing' this completion
 452    /// completion confirmations should not run side effects and
 453    /// let the user continue composing their action
 454    Compose,
 455}
 456
 457impl CompletionIntent {
 458    pub fn is_complete(&self) -> bool {
 459        self == &Self::Complete
 460    }
 461
 462    pub fn is_compose(&self) -> bool {
 463        self == &Self::Compose
 464    }
 465}
 466
 467/// Similar to `CoreCompletion`, but with extra metadata attached.
 468#[derive(Clone)]
 469pub struct Completion {
 470    /// The range of text that will be replaced by this completion.
 471    pub replace_range: Range<Anchor>,
 472    /// The new text that will be inserted.
 473    pub new_text: String,
 474    /// A label for this completion that is shown in the menu.
 475    pub label: CodeLabel,
 476    /// The documentation for this completion.
 477    pub documentation: Option<CompletionDocumentation>,
 478    /// Completion data source which it was constructed from.
 479    pub source: CompletionSource,
 480    /// A path to an icon for this completion that is shown in the menu.
 481    pub icon_path: Option<SharedString>,
 482    /// Whether to adjust indentation (the default) or not.
 483    pub insert_text_mode: Option<InsertTextMode>,
 484    /// An optional callback to invoke when this completion is confirmed.
 485    /// Returns, whether new completions should be retriggered after the current one.
 486    /// If `true` is returned, the editor will show a new completion menu after this completion is confirmed.
 487    /// if no confirmation is provided or `false` is returned, the completion will be committed.
 488    pub confirm: Option<Arc<dyn Send + Sync + Fn(CompletionIntent, &mut Window, &mut App) -> bool>>,
 489}
 490
 491#[derive(Debug, Clone)]
 492pub enum CompletionSource {
 493    Lsp {
 494        /// The alternate `insert` range, if provided by the LSP server.
 495        insert_range: Option<Range<Anchor>>,
 496        /// The id of the language server that produced this completion.
 497        server_id: LanguageServerId,
 498        /// The raw completion provided by the language server.
 499        lsp_completion: Box<lsp::CompletionItem>,
 500        /// A set of defaults for this completion item.
 501        lsp_defaults: Option<Arc<lsp::CompletionListItemDefaults>>,
 502        /// Whether this completion has been resolved, to ensure it happens once per completion.
 503        resolved: bool,
 504    },
 505    Dap {
 506        /// The sort text for this completion.
 507        sort_text: String,
 508    },
 509    Custom,
 510    BufferWord {
 511        word_range: Range<Anchor>,
 512        resolved: bool,
 513    },
 514}
 515
 516impl CompletionSource {
 517    pub fn server_id(&self) -> Option<LanguageServerId> {
 518        if let CompletionSource::Lsp { server_id, .. } = self {
 519            Some(*server_id)
 520        } else {
 521            None
 522        }
 523    }
 524
 525    pub fn lsp_completion(&self, apply_defaults: bool) -> Option<Cow<'_, lsp::CompletionItem>> {
 526        if let Self::Lsp {
 527            lsp_completion,
 528            lsp_defaults,
 529            ..
 530        } = self
 531        {
 532            if apply_defaults && let Some(lsp_defaults) = lsp_defaults {
 533                let mut completion_with_defaults = *lsp_completion.clone();
 534                let default_commit_characters = lsp_defaults.commit_characters.as_ref();
 535                let default_edit_range = lsp_defaults.edit_range.as_ref();
 536                let default_insert_text_format = lsp_defaults.insert_text_format.as_ref();
 537                let default_insert_text_mode = lsp_defaults.insert_text_mode.as_ref();
 538
 539                if default_commit_characters.is_some()
 540                    || default_edit_range.is_some()
 541                    || default_insert_text_format.is_some()
 542                    || default_insert_text_mode.is_some()
 543                {
 544                    if completion_with_defaults.commit_characters.is_none()
 545                        && default_commit_characters.is_some()
 546                    {
 547                        completion_with_defaults.commit_characters =
 548                            default_commit_characters.cloned()
 549                    }
 550                    if completion_with_defaults.text_edit.is_none() {
 551                        match default_edit_range {
 552                            Some(lsp::CompletionListItemDefaultsEditRange::Range(range)) => {
 553                                completion_with_defaults.text_edit =
 554                                    Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
 555                                        range: *range,
 556                                        new_text: completion_with_defaults.label.clone(),
 557                                    }))
 558                            }
 559                            Some(lsp::CompletionListItemDefaultsEditRange::InsertAndReplace {
 560                                insert,
 561                                replace,
 562                            }) => {
 563                                completion_with_defaults.text_edit =
 564                                    Some(lsp::CompletionTextEdit::InsertAndReplace(
 565                                        lsp::InsertReplaceEdit {
 566                                            new_text: completion_with_defaults.label.clone(),
 567                                            insert: *insert,
 568                                            replace: *replace,
 569                                        },
 570                                    ))
 571                            }
 572                            None => {}
 573                        }
 574                    }
 575                    if completion_with_defaults.insert_text_format.is_none()
 576                        && default_insert_text_format.is_some()
 577                    {
 578                        completion_with_defaults.insert_text_format =
 579                            default_insert_text_format.cloned()
 580                    }
 581                    if completion_with_defaults.insert_text_mode.is_none()
 582                        && default_insert_text_mode.is_some()
 583                    {
 584                        completion_with_defaults.insert_text_mode =
 585                            default_insert_text_mode.cloned()
 586                    }
 587                }
 588                return Some(Cow::Owned(completion_with_defaults));
 589            }
 590            Some(Cow::Borrowed(lsp_completion))
 591        } else {
 592            None
 593        }
 594    }
 595}
 596
 597impl std::fmt::Debug for Completion {
 598    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 599        f.debug_struct("Completion")
 600            .field("replace_range", &self.replace_range)
 601            .field("new_text", &self.new_text)
 602            .field("label", &self.label)
 603            .field("documentation", &self.documentation)
 604            .field("source", &self.source)
 605            .finish()
 606    }
 607}
 608
 609/// Response from a source of completions.
 610pub struct CompletionResponse {
 611    pub completions: Vec<Completion>,
 612    pub display_options: CompletionDisplayOptions,
 613    /// When false, indicates that the list is complete and so does not need to be re-queried if it
 614    /// can be filtered instead.
 615    pub is_incomplete: bool,
 616}
 617
 618#[derive(Default)]
 619pub struct CompletionDisplayOptions {
 620    pub dynamic_width: bool,
 621}
 622
 623impl CompletionDisplayOptions {
 624    pub fn merge(&mut self, other: &CompletionDisplayOptions) {
 625        self.dynamic_width = self.dynamic_width && other.dynamic_width;
 626    }
 627}
 628
 629/// Response from language server completion request.
 630#[derive(Clone, Debug, Default)]
 631pub(crate) struct CoreCompletionResponse {
 632    pub completions: Vec<CoreCompletion>,
 633    /// When false, indicates that the list is complete and so does not need to be re-queried if it
 634    /// can be filtered instead.
 635    pub is_incomplete: bool,
 636}
 637
 638/// A generic completion that can come from different sources.
 639#[derive(Clone, Debug)]
 640pub(crate) struct CoreCompletion {
 641    replace_range: Range<Anchor>,
 642    new_text: String,
 643    source: CompletionSource,
 644}
 645
 646/// A code action provided by a language server.
 647#[derive(Clone, Debug, PartialEq)]
 648pub struct CodeAction {
 649    /// The id of the language server that produced this code action.
 650    pub server_id: LanguageServerId,
 651    /// The range of the buffer where this code action is applicable.
 652    pub range: Range<Anchor>,
 653    /// The raw code action provided by the language server.
 654    /// Can be either an action or a command.
 655    pub lsp_action: LspAction,
 656    /// Whether the action needs to be resolved using the language server.
 657    pub resolved: bool,
 658}
 659
 660/// An action sent back by a language server.
 661#[derive(Clone, Debug, PartialEq)]
 662pub enum LspAction {
 663    /// An action with the full data, may have a command or may not.
 664    /// May require resolving.
 665    Action(Box<lsp::CodeAction>),
 666    /// A command data to run as an action.
 667    Command(lsp::Command),
 668    /// A code lens data to run as an action.
 669    CodeLens(lsp::CodeLens),
 670}
 671
 672impl LspAction {
 673    pub fn title(&self) -> &str {
 674        match self {
 675            Self::Action(action) => &action.title,
 676            Self::Command(command) => &command.title,
 677            Self::CodeLens(lens) => lens
 678                .command
 679                .as_ref()
 680                .map(|command| command.title.as_str())
 681                .unwrap_or("Unknown command"),
 682        }
 683    }
 684
 685    fn action_kind(&self) -> Option<lsp::CodeActionKind> {
 686        match self {
 687            Self::Action(action) => action.kind.clone(),
 688            Self::Command(_) => Some(lsp::CodeActionKind::new("command")),
 689            Self::CodeLens(_) => Some(lsp::CodeActionKind::new("code lens")),
 690        }
 691    }
 692
 693    fn edit(&self) -> Option<&lsp::WorkspaceEdit> {
 694        match self {
 695            Self::Action(action) => action.edit.as_ref(),
 696            Self::Command(_) => None,
 697            Self::CodeLens(_) => None,
 698        }
 699    }
 700
 701    fn command(&self) -> Option<&lsp::Command> {
 702        match self {
 703            Self::Action(action) => action.command.as_ref(),
 704            Self::Command(command) => Some(command),
 705            Self::CodeLens(lens) => lens.command.as_ref(),
 706        }
 707    }
 708}
 709
 710#[derive(Debug, Clone, PartialEq, Eq)]
 711pub enum ResolveState {
 712    Resolved,
 713    CanResolve(LanguageServerId, Option<lsp::LSPAny>),
 714    Resolving,
 715}
 716impl InlayHint {
 717    pub fn text(&self) -> Rope {
 718        match &self.label {
 719            InlayHintLabel::String(s) => Rope::from_str_small(s),
 720            InlayHintLabel::LabelParts(parts) => {
 721                Rope::from_iter_small(parts.iter().map(|part| &*part.value))
 722            }
 723        }
 724    }
 725}
 726
 727#[derive(Debug, Clone, PartialEq, Eq)]
 728pub enum InlayHintLabel {
 729    String(String),
 730    LabelParts(Vec<InlayHintLabelPart>),
 731}
 732
 733#[derive(Debug, Clone, PartialEq, Eq)]
 734pub struct InlayHintLabelPart {
 735    pub value: String,
 736    pub tooltip: Option<InlayHintLabelPartTooltip>,
 737    pub location: Option<(LanguageServerId, lsp::Location)>,
 738}
 739
 740#[derive(Debug, Clone, PartialEq, Eq)]
 741pub enum InlayHintTooltip {
 742    String(String),
 743    MarkupContent(MarkupContent),
 744}
 745
 746#[derive(Debug, Clone, PartialEq, Eq)]
 747pub enum InlayHintLabelPartTooltip {
 748    String(String),
 749    MarkupContent(MarkupContent),
 750}
 751
 752#[derive(Debug, Clone, PartialEq, Eq)]
 753pub struct MarkupContent {
 754    pub kind: HoverBlockKind,
 755    pub value: String,
 756}
 757
 758#[derive(Debug, Clone, PartialEq)]
 759pub struct LocationLink {
 760    pub origin: Option<Location>,
 761    pub target: Location,
 762}
 763
 764#[derive(Debug)]
 765pub struct DocumentHighlight {
 766    pub range: Range<language::Anchor>,
 767    pub kind: DocumentHighlightKind,
 768}
 769
 770#[derive(Clone, Debug)]
 771pub struct Symbol {
 772    pub language_server_name: LanguageServerName,
 773    pub source_worktree_id: WorktreeId,
 774    pub source_language_server_id: LanguageServerId,
 775    pub path: SymbolLocation,
 776    pub label: CodeLabel,
 777    pub name: String,
 778    pub kind: lsp::SymbolKind,
 779    pub range: Range<Unclipped<PointUtf16>>,
 780}
 781
 782#[derive(Clone, Debug)]
 783pub struct DocumentSymbol {
 784    pub name: String,
 785    pub kind: lsp::SymbolKind,
 786    pub range: Range<Unclipped<PointUtf16>>,
 787    pub selection_range: Range<Unclipped<PointUtf16>>,
 788    pub children: Vec<DocumentSymbol>,
 789}
 790
 791#[derive(Clone, Debug, PartialEq)]
 792pub struct HoverBlock {
 793    pub text: String,
 794    pub kind: HoverBlockKind,
 795}
 796
 797#[derive(Clone, Debug, PartialEq, Eq)]
 798pub enum HoverBlockKind {
 799    PlainText,
 800    Markdown,
 801    Code { language: String },
 802}
 803
 804#[derive(Debug, Clone)]
 805pub struct Hover {
 806    pub contents: Vec<HoverBlock>,
 807    pub range: Option<Range<language::Anchor>>,
 808    pub language: Option<Arc<Language>>,
 809}
 810
 811impl Hover {
 812    pub fn is_empty(&self) -> bool {
 813        self.contents.iter().all(|block| block.text.is_empty())
 814    }
 815}
 816
 817enum EntitySubscription {
 818    Project(PendingEntitySubscription<Project>),
 819    BufferStore(PendingEntitySubscription<BufferStore>),
 820    GitStore(PendingEntitySubscription<GitStore>),
 821    WorktreeStore(PendingEntitySubscription<WorktreeStore>),
 822    LspStore(PendingEntitySubscription<LspStore>),
 823    SettingsObserver(PendingEntitySubscription<SettingsObserver>),
 824    DapStore(PendingEntitySubscription<DapStore>),
 825}
 826
 827#[derive(Debug, Clone)]
 828pub struct DirectoryItem {
 829    pub path: PathBuf,
 830    pub is_dir: bool,
 831}
 832
 833#[derive(Clone, Debug, PartialEq)]
 834pub struct DocumentColor {
 835    pub lsp_range: lsp::Range,
 836    pub color: lsp::Color,
 837    pub resolved: bool,
 838    pub color_presentations: Vec<ColorPresentation>,
 839}
 840
 841impl Eq for DocumentColor {}
 842
 843impl std::hash::Hash for DocumentColor {
 844    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 845        self.lsp_range.hash(state);
 846        self.color.red.to_bits().hash(state);
 847        self.color.green.to_bits().hash(state);
 848        self.color.blue.to_bits().hash(state);
 849        self.color.alpha.to_bits().hash(state);
 850        self.resolved.hash(state);
 851        self.color_presentations.hash(state);
 852    }
 853}
 854
 855#[derive(Clone, Debug, PartialEq, Eq)]
 856pub struct ColorPresentation {
 857    pub label: SharedString,
 858    pub text_edit: Option<lsp::TextEdit>,
 859    pub additional_text_edits: Vec<lsp::TextEdit>,
 860}
 861
 862impl std::hash::Hash for ColorPresentation {
 863    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 864        self.label.hash(state);
 865        if let Some(ref edit) = self.text_edit {
 866            edit.range.hash(state);
 867            edit.new_text.hash(state);
 868        }
 869        self.additional_text_edits.len().hash(state);
 870        for edit in &self.additional_text_edits {
 871            edit.range.hash(state);
 872            edit.new_text.hash(state);
 873        }
 874    }
 875}
 876
 877#[derive(Clone)]
 878pub enum DirectoryLister {
 879    Project(Entity<Project>),
 880    Local(Entity<Project>, Arc<dyn Fs>),
 881}
 882
 883impl std::fmt::Debug for DirectoryLister {
 884    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 885        match self {
 886            DirectoryLister::Project(project) => {
 887                write!(f, "DirectoryLister::Project({project:?})")
 888            }
 889            DirectoryLister::Local(project, _) => {
 890                write!(f, "DirectoryLister::Local({project:?})")
 891            }
 892        }
 893    }
 894}
 895
 896impl DirectoryLister {
 897    pub fn is_local(&self, cx: &App) -> bool {
 898        match self {
 899            DirectoryLister::Local(..) => true,
 900            DirectoryLister::Project(project) => project.read(cx).is_local(),
 901        }
 902    }
 903
 904    pub fn resolve_tilde<'a>(&self, path: &'a String, cx: &App) -> Cow<'a, str> {
 905        if self.is_local(cx) {
 906            shellexpand::tilde(path)
 907        } else {
 908            Cow::from(path)
 909        }
 910    }
 911
 912    pub fn default_query(&self, cx: &mut App) -> String {
 913        let project = match self {
 914            DirectoryLister::Project(project) => project,
 915            DirectoryLister::Local(project, _) => project,
 916        }
 917        .read(cx);
 918        let path_style = project.path_style(cx);
 919        project
 920            .visible_worktrees(cx)
 921            .next()
 922            .map(|worktree| worktree.read(cx).abs_path().to_string_lossy().into_owned())
 923            .or_else(|| std::env::home_dir().map(|dir| dir.to_string_lossy().into_owned()))
 924            .map(|mut s| {
 925                s.push_str(path_style.separator());
 926                s
 927            })
 928            .unwrap_or_else(|| {
 929                if path_style.is_windows() {
 930                    "C:\\"
 931                } else {
 932                    "~/"
 933                }
 934                .to_string()
 935            })
 936    }
 937
 938    pub fn list_directory(&self, path: String, cx: &mut App) -> Task<Result<Vec<DirectoryItem>>> {
 939        match self {
 940            DirectoryLister::Project(project) => {
 941                project.update(cx, |project, cx| project.list_directory(path, cx))
 942            }
 943            DirectoryLister::Local(_, fs) => {
 944                let fs = fs.clone();
 945                cx.background_spawn(async move {
 946                    let mut results = vec![];
 947                    let expanded = shellexpand::tilde(&path);
 948                    let query = Path::new(expanded.as_ref());
 949                    let mut response = fs.read_dir(query).await?;
 950                    while let Some(path) = response.next().await {
 951                        let path = path?;
 952                        if let Some(file_name) = path.file_name() {
 953                            results.push(DirectoryItem {
 954                                path: PathBuf::from(file_name.to_os_string()),
 955                                is_dir: fs.is_dir(&path).await,
 956                            });
 957                        }
 958                    }
 959                    Ok(results)
 960                })
 961            }
 962        }
 963    }
 964}
 965
 966#[cfg(any(test, feature = "test-support"))]
 967pub const DEFAULT_COMPLETION_CONTEXT: CompletionContext = CompletionContext {
 968    trigger_kind: lsp::CompletionTriggerKind::INVOKED,
 969    trigger_character: None,
 970};
 971
 972/// An LSP diagnostics associated with a certain language server.
 973#[derive(Clone, Debug, Default)]
 974pub enum LspPullDiagnostics {
 975    #[default]
 976    Default,
 977    Response {
 978        /// The id of the language server that produced diagnostics.
 979        server_id: LanguageServerId,
 980        /// URI of the resource,
 981        uri: lsp::Uri,
 982        /// The diagnostics produced by this language server.
 983        diagnostics: PulledDiagnostics,
 984    },
 985}
 986
 987#[derive(Clone, Debug)]
 988pub enum PulledDiagnostics {
 989    Unchanged {
 990        /// An ID the current pulled batch for this file.
 991        /// If given, can be used to query workspace diagnostics partially.
 992        result_id: String,
 993    },
 994    Changed {
 995        result_id: Option<String>,
 996        diagnostics: Vec<lsp::Diagnostic>,
 997    },
 998}
 999
1000/// Whether to disable all AI features in Zed.
1001///
1002/// Default: false
1003#[derive(Copy, Clone, Debug)]
1004pub struct DisableAiSettings {
1005    pub disable_ai: bool,
1006}
1007
1008impl settings::Settings for DisableAiSettings {
1009    fn from_settings(content: &settings::SettingsContent) -> Self {
1010        Self {
1011            disable_ai: content.disable_ai.unwrap().0,
1012        }
1013    }
1014}
1015
1016impl Project {
1017    pub fn init_settings(cx: &mut App) {
1018        WorktreeSettings::register(cx);
1019        ProjectSettings::register(cx);
1020        DisableAiSettings::register(cx);
1021        AllAgentServersSettings::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(|cx| ProjectEnvironment::new(env, cx));
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                    fs.clone(),
1088                    cx,
1089                )
1090            });
1091
1092            let buffer_store = cx.new(|cx| BufferStore::local(worktree_store.clone(), cx));
1093            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1094                .detach();
1095
1096            let breakpoint_store =
1097                cx.new(|_| BreakpointStore::local(worktree_store.clone(), buffer_store.clone()));
1098
1099            let dap_store = cx.new(|cx| {
1100                DapStore::new_local(
1101                    client.http_client(),
1102                    node.clone(),
1103                    fs.clone(),
1104                    environment.clone(),
1105                    toolchain_store.read(cx).as_language_toolchain_store(),
1106                    worktree_store.clone(),
1107                    breakpoint_store.clone(),
1108                    false,
1109                    cx,
1110                )
1111            });
1112            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1113
1114            let image_store = cx.new(|cx| ImageStore::local(worktree_store.clone(), cx));
1115            cx.subscribe(&image_store, Self::on_image_store_event)
1116                .detach();
1117
1118            let prettier_store = cx.new(|cx| {
1119                PrettierStore::new(
1120                    node.clone(),
1121                    fs.clone(),
1122                    languages.clone(),
1123                    worktree_store.clone(),
1124                    cx,
1125                )
1126            });
1127
1128            let task_store = cx.new(|cx| {
1129                TaskStore::local(
1130                    buffer_store.downgrade(),
1131                    worktree_store.clone(),
1132                    toolchain_store.read(cx).as_language_toolchain_store(),
1133                    environment.clone(),
1134                    cx,
1135                )
1136            });
1137
1138            let settings_observer = cx.new(|cx| {
1139                SettingsObserver::new_local(
1140                    fs.clone(),
1141                    worktree_store.clone(),
1142                    task_store.clone(),
1143                    cx,
1144                )
1145            });
1146            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1147                .detach();
1148
1149            let lsp_store = cx.new(|cx| {
1150                LspStore::new_local(
1151                    buffer_store.clone(),
1152                    worktree_store.clone(),
1153                    prettier_store.clone(),
1154                    toolchain_store
1155                        .read(cx)
1156                        .as_local_store()
1157                        .expect("Toolchain store to be local")
1158                        .clone(),
1159                    environment.clone(),
1160                    manifest_tree,
1161                    languages.clone(),
1162                    client.http_client(),
1163                    fs.clone(),
1164                    cx,
1165                )
1166            });
1167
1168            let git_store = cx.new(|cx| {
1169                GitStore::local(
1170                    &worktree_store,
1171                    buffer_store.clone(),
1172                    environment.clone(),
1173                    fs.clone(),
1174                    cx,
1175                )
1176            });
1177
1178            let agent_server_store = cx.new(|cx| {
1179                AgentServerStore::local(
1180                    node.clone(),
1181                    fs.clone(),
1182                    environment.clone(),
1183                    client.http_client(),
1184                    cx,
1185                )
1186            });
1187
1188            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1189
1190            Self {
1191                buffer_ordered_messages_tx: tx,
1192                collaborators: Default::default(),
1193                worktree_store,
1194                buffer_store,
1195                image_store,
1196                lsp_store,
1197                context_server_store,
1198                join_project_response_message_id: 0,
1199                client_state: ProjectClientState::Local,
1200                git_store,
1201                client_subscriptions: Vec::new(),
1202                _subscriptions: vec![cx.on_release(Self::release)],
1203                active_entry: None,
1204                snippets,
1205                languages,
1206                collab_client: client,
1207                task_store,
1208                user_store,
1209                settings_observer,
1210                fs,
1211                remote_client: None,
1212                breakpoint_store,
1213                dap_store,
1214                agent_server_store,
1215
1216                buffers_needing_diff: Default::default(),
1217                git_diff_debouncer: DebouncedDelay::new(),
1218                terminals: Terminals {
1219                    local_handles: Vec::new(),
1220                },
1221                node: Some(node),
1222                search_history: Self::new_search_history(),
1223                environment,
1224                remotely_created_models: Default::default(),
1225
1226                search_included_history: Self::new_search_history(),
1227                search_excluded_history: Self::new_search_history(),
1228
1229                toolchain_store: Some(toolchain_store),
1230
1231                agent_location: None,
1232                encoding_options: EncodingOptions::default(),
1233            }
1234        })
1235    }
1236
1237    pub fn remote(
1238        remote: Entity<RemoteClient>,
1239        client: Arc<Client>,
1240        node: NodeRuntime,
1241        user_store: Entity<UserStore>,
1242        languages: Arc<LanguageRegistry>,
1243        fs: Arc<dyn Fs>,
1244        cx: &mut App,
1245    ) -> Entity<Self> {
1246        cx.new(|cx: &mut Context<Self>| {
1247            let (tx, rx) = mpsc::unbounded();
1248            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1249                .detach();
1250            let global_snippets_dir = paths::snippets_dir().to_owned();
1251            let snippets =
1252                SnippetProvider::new(fs.clone(), BTreeSet::from_iter([global_snippets_dir]), cx);
1253
1254            let (remote_proto, path_style) =
1255                remote.read_with(cx, |remote, _| (remote.proto_client(), remote.path_style()));
1256            let worktree_store = cx.new(|_| {
1257                WorktreeStore::remote(
1258                    false,
1259                    remote_proto.clone(),
1260                    REMOTE_SERVER_PROJECT_ID,
1261                    path_style,
1262                )
1263            });
1264            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1265                .detach();
1266
1267            let weak_self = cx.weak_entity();
1268            let context_server_store =
1269                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), weak_self, cx));
1270
1271            let buffer_store = cx.new(|cx| {
1272                BufferStore::remote(
1273                    worktree_store.clone(),
1274                    remote.read(cx).proto_client(),
1275                    REMOTE_SERVER_PROJECT_ID,
1276                    cx,
1277                )
1278            });
1279            let image_store = cx.new(|cx| {
1280                ImageStore::remote(
1281                    worktree_store.clone(),
1282                    remote.read(cx).proto_client(),
1283                    REMOTE_SERVER_PROJECT_ID,
1284                    cx,
1285                )
1286            });
1287            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1288                .detach();
1289            let toolchain_store = cx.new(|cx| {
1290                ToolchainStore::remote(REMOTE_SERVER_PROJECT_ID, remote.read(cx).proto_client(), cx)
1291            });
1292            let task_store = cx.new(|cx| {
1293                TaskStore::remote(
1294                    buffer_store.downgrade(),
1295                    worktree_store.clone(),
1296                    toolchain_store.read(cx).as_language_toolchain_store(),
1297                    remote.read(cx).proto_client(),
1298                    REMOTE_SERVER_PROJECT_ID,
1299                    cx,
1300                )
1301            });
1302
1303            let settings_observer = cx.new(|cx| {
1304                SettingsObserver::new_remote(
1305                    fs.clone(),
1306                    worktree_store.clone(),
1307                    task_store.clone(),
1308                    Some(remote_proto.clone()),
1309                    cx,
1310                )
1311            });
1312            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1313                .detach();
1314
1315            let environment = cx.new(|cx| ProjectEnvironment::new(None, cx));
1316
1317            let lsp_store = cx.new(|cx| {
1318                LspStore::new_remote(
1319                    buffer_store.clone(),
1320                    worktree_store.clone(),
1321                    languages.clone(),
1322                    remote_proto.clone(),
1323                    REMOTE_SERVER_PROJECT_ID,
1324                    cx,
1325                )
1326            });
1327            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1328
1329            let breakpoint_store =
1330                cx.new(|_| BreakpointStore::remote(REMOTE_SERVER_PROJECT_ID, remote_proto.clone()));
1331
1332            let dap_store = cx.new(|cx| {
1333                DapStore::new_remote(
1334                    REMOTE_SERVER_PROJECT_ID,
1335                    remote.clone(),
1336                    breakpoint_store.clone(),
1337                    worktree_store.clone(),
1338                    node.clone(),
1339                    client.http_client(),
1340                    fs.clone(),
1341                    cx,
1342                )
1343            });
1344
1345            let git_store = cx.new(|cx| {
1346                GitStore::remote(
1347                    &worktree_store,
1348                    buffer_store.clone(),
1349                    remote_proto.clone(),
1350                    REMOTE_SERVER_PROJECT_ID,
1351                    cx,
1352                )
1353            });
1354
1355            let agent_server_store =
1356                cx.new(|_| AgentServerStore::remote(REMOTE_SERVER_PROJECT_ID, remote.clone()));
1357
1358            cx.subscribe(&remote, Self::on_remote_client_event).detach();
1359
1360            let this = Self {
1361                buffer_ordered_messages_tx: tx,
1362                collaborators: Default::default(),
1363                worktree_store,
1364                buffer_store,
1365                image_store,
1366                lsp_store,
1367                context_server_store,
1368                breakpoint_store,
1369                dap_store,
1370                join_project_response_message_id: 0,
1371                client_state: ProjectClientState::Local,
1372                git_store,
1373                agent_server_store,
1374                client_subscriptions: Vec::new(),
1375                _subscriptions: vec![
1376                    cx.on_release(Self::release),
1377                    cx.on_app_quit(|this, cx| {
1378                        let shutdown = this.remote_client.take().and_then(|client| {
1379                            client.update(cx, |client, cx| {
1380                                client.shutdown_processes(
1381                                    Some(proto::ShutdownRemoteServer {}),
1382                                    cx.background_executor().clone(),
1383                                )
1384                            })
1385                        });
1386
1387                        cx.background_executor().spawn(async move {
1388                            if let Some(shutdown) = shutdown {
1389                                shutdown.await;
1390                            }
1391                        })
1392                    }),
1393                ],
1394                active_entry: None,
1395                snippets,
1396                languages,
1397                collab_client: client,
1398                task_store,
1399                user_store,
1400                settings_observer,
1401                fs,
1402                remote_client: Some(remote.clone()),
1403                buffers_needing_diff: Default::default(),
1404                git_diff_debouncer: DebouncedDelay::new(),
1405                terminals: Terminals {
1406                    local_handles: Vec::new(),
1407                },
1408                node: Some(node),
1409                search_history: Self::new_search_history(),
1410                environment,
1411                remotely_created_models: Default::default(),
1412
1413                search_included_history: Self::new_search_history(),
1414                search_excluded_history: Self::new_search_history(),
1415
1416                toolchain_store: Some(toolchain_store),
1417                agent_location: None,
1418                encoding_options: EncodingOptions::default(),
1419            };
1420
1421            // remote server -> local machine handlers
1422            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &cx.entity());
1423            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.buffer_store);
1424            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.worktree_store);
1425            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.lsp_store);
1426            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.dap_store);
1427            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.settings_observer);
1428            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.git_store);
1429            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.agent_server_store);
1430
1431            remote_proto.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1432            remote_proto.add_entity_message_handler(Self::handle_update_worktree);
1433            remote_proto.add_entity_message_handler(Self::handle_update_project);
1434            remote_proto.add_entity_message_handler(Self::handle_toast);
1435            remote_proto.add_entity_request_handler(Self::handle_language_server_prompt_request);
1436            remote_proto.add_entity_message_handler(Self::handle_hide_toast);
1437            remote_proto.add_entity_request_handler(Self::handle_update_buffer_from_remote_server);
1438            BufferStore::init(&remote_proto);
1439            LspStore::init(&remote_proto);
1440            SettingsObserver::init(&remote_proto);
1441            TaskStore::init(Some(&remote_proto));
1442            ToolchainStore::init(&remote_proto);
1443            DapStore::init(&remote_proto, cx);
1444            GitStore::init(&remote_proto);
1445            AgentServerStore::init_remote(&remote_proto);
1446
1447            this
1448        })
1449    }
1450
1451    pub async fn in_room(
1452        remote_id: u64,
1453        client: Arc<Client>,
1454        user_store: Entity<UserStore>,
1455        languages: Arc<LanguageRegistry>,
1456        fs: Arc<dyn Fs>,
1457        cx: AsyncApp,
1458    ) -> Result<Entity<Self>> {
1459        client.connect(true, &cx).await.into_response()?;
1460
1461        let subscriptions = [
1462            EntitySubscription::Project(client.subscribe_to_entity::<Self>(remote_id)?),
1463            EntitySubscription::BufferStore(client.subscribe_to_entity::<BufferStore>(remote_id)?),
1464            EntitySubscription::GitStore(client.subscribe_to_entity::<GitStore>(remote_id)?),
1465            EntitySubscription::WorktreeStore(
1466                client.subscribe_to_entity::<WorktreeStore>(remote_id)?,
1467            ),
1468            EntitySubscription::LspStore(client.subscribe_to_entity::<LspStore>(remote_id)?),
1469            EntitySubscription::SettingsObserver(
1470                client.subscribe_to_entity::<SettingsObserver>(remote_id)?,
1471            ),
1472            EntitySubscription::DapStore(client.subscribe_to_entity::<DapStore>(remote_id)?),
1473        ];
1474        let committer = get_git_committer(&cx).await;
1475        let response = client
1476            .request_envelope(proto::JoinProject {
1477                project_id: remote_id,
1478                committer_email: committer.email,
1479                committer_name: committer.name,
1480            })
1481            .await?;
1482        Self::from_join_project_response(
1483            response,
1484            subscriptions,
1485            client,
1486            false,
1487            user_store,
1488            languages,
1489            fs,
1490            cx,
1491        )
1492        .await
1493    }
1494
1495    async fn from_join_project_response(
1496        response: TypedEnvelope<proto::JoinProjectResponse>,
1497        subscriptions: [EntitySubscription; 7],
1498        client: Arc<Client>,
1499        run_tasks: bool,
1500        user_store: Entity<UserStore>,
1501        languages: Arc<LanguageRegistry>,
1502        fs: Arc<dyn Fs>,
1503        mut cx: AsyncApp,
1504    ) -> Result<Entity<Self>> {
1505        let remote_id = response.payload.project_id;
1506        let role = response.payload.role();
1507
1508        let path_style = if response.payload.windows_paths {
1509            PathStyle::Windows
1510        } else {
1511            PathStyle::Posix
1512        };
1513
1514        let worktree_store = cx.new(|_| {
1515            WorktreeStore::remote(
1516                true,
1517                client.clone().into(),
1518                response.payload.project_id,
1519                path_style,
1520            )
1521        })?;
1522        let buffer_store = cx.new(|cx| {
1523            BufferStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1524        })?;
1525        let image_store = cx.new(|cx| {
1526            ImageStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1527        })?;
1528
1529        let environment = cx.new(|cx| ProjectEnvironment::new(None, cx))?;
1530
1531        let breakpoint_store =
1532            cx.new(|_| BreakpointStore::remote(remote_id, client.clone().into()))?;
1533        let dap_store = cx.new(|cx| {
1534            DapStore::new_collab(
1535                remote_id,
1536                client.clone().into(),
1537                breakpoint_store.clone(),
1538                worktree_store.clone(),
1539                fs.clone(),
1540                cx,
1541            )
1542        })?;
1543
1544        let lsp_store = cx.new(|cx| {
1545            LspStore::new_remote(
1546                buffer_store.clone(),
1547                worktree_store.clone(),
1548                languages.clone(),
1549                client.clone().into(),
1550                remote_id,
1551                cx,
1552            )
1553        })?;
1554
1555        let task_store = cx.new(|cx| {
1556            if run_tasks {
1557                TaskStore::remote(
1558                    buffer_store.downgrade(),
1559                    worktree_store.clone(),
1560                    Arc::new(EmptyToolchainStore),
1561                    client.clone().into(),
1562                    remote_id,
1563                    cx,
1564                )
1565            } else {
1566                TaskStore::Noop
1567            }
1568        })?;
1569
1570        let settings_observer = cx.new(|cx| {
1571            SettingsObserver::new_remote(
1572                fs.clone(),
1573                worktree_store.clone(),
1574                task_store.clone(),
1575                None,
1576                cx,
1577            )
1578        })?;
1579
1580        let git_store = cx.new(|cx| {
1581            GitStore::remote(
1582                // In this remote case we pass None for the environment
1583                &worktree_store,
1584                buffer_store.clone(),
1585                client.clone().into(),
1586                remote_id,
1587                cx,
1588            )
1589        })?;
1590
1591        let agent_server_store = cx.new(|cx| AgentServerStore::collab(cx))?;
1592        let replica_id = ReplicaId::new(response.payload.replica_id as u16);
1593
1594        let project = cx.new(|cx| {
1595            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1596
1597            let weak_self = cx.weak_entity();
1598            let context_server_store =
1599                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), weak_self, cx));
1600
1601            let mut worktrees = Vec::new();
1602            for worktree in response.payload.worktrees {
1603                let worktree = Worktree::remote(
1604                    remote_id,
1605                    replica_id,
1606                    worktree,
1607                    client.clone().into(),
1608                    path_style,
1609                    cx,
1610                );
1611                worktrees.push(worktree);
1612            }
1613
1614            let (tx, rx) = mpsc::unbounded();
1615            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1616                .detach();
1617
1618            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1619                .detach();
1620
1621            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1622                .detach();
1623            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1624            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1625                .detach();
1626
1627            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1628
1629            let mut project = Self {
1630                buffer_ordered_messages_tx: tx,
1631                buffer_store: buffer_store.clone(),
1632                image_store,
1633                worktree_store: worktree_store.clone(),
1634                lsp_store: lsp_store.clone(),
1635                context_server_store,
1636                active_entry: None,
1637                collaborators: Default::default(),
1638                join_project_response_message_id: response.message_id,
1639                languages,
1640                user_store: user_store.clone(),
1641                task_store,
1642                snippets,
1643                fs,
1644                remote_client: None,
1645                settings_observer: settings_observer.clone(),
1646                client_subscriptions: Default::default(),
1647                _subscriptions: vec![cx.on_release(Self::release)],
1648                collab_client: client.clone(),
1649                client_state: ProjectClientState::Remote {
1650                    sharing_has_stopped: false,
1651                    capability: Capability::ReadWrite,
1652                    remote_id,
1653                    replica_id,
1654                },
1655                breakpoint_store,
1656                dap_store: dap_store.clone(),
1657                git_store: git_store.clone(),
1658                agent_server_store,
1659                buffers_needing_diff: Default::default(),
1660                git_diff_debouncer: DebouncedDelay::new(),
1661                terminals: Terminals {
1662                    local_handles: Vec::new(),
1663                },
1664                node: None,
1665                search_history: Self::new_search_history(),
1666                search_included_history: Self::new_search_history(),
1667                search_excluded_history: Self::new_search_history(),
1668                environment,
1669                remotely_created_models: Arc::new(Mutex::new(RemotelyCreatedModels::default())),
1670                toolchain_store: None,
1671                agent_location: None,
1672                encoding_options: EncodingOptions::default(),
1673            };
1674
1675            project.set_role(role, cx);
1676            for worktree in worktrees {
1677                project.add_worktree(&worktree, cx);
1678            }
1679            project
1680        })?;
1681
1682        let weak_project = project.downgrade();
1683        lsp_store
1684            .update(&mut cx, |lsp_store, cx| {
1685                lsp_store.set_language_server_statuses_from_proto(
1686                    weak_project,
1687                    response.payload.language_servers,
1688                    response.payload.language_server_capabilities,
1689                    cx,
1690                );
1691            })
1692            .ok();
1693
1694        let subscriptions = subscriptions
1695            .into_iter()
1696            .map(|s| match s {
1697                EntitySubscription::BufferStore(subscription) => {
1698                    subscription.set_entity(&buffer_store, &cx)
1699                }
1700                EntitySubscription::WorktreeStore(subscription) => {
1701                    subscription.set_entity(&worktree_store, &cx)
1702                }
1703                EntitySubscription::GitStore(subscription) => {
1704                    subscription.set_entity(&git_store, &cx)
1705                }
1706                EntitySubscription::SettingsObserver(subscription) => {
1707                    subscription.set_entity(&settings_observer, &cx)
1708                }
1709                EntitySubscription::Project(subscription) => subscription.set_entity(&project, &cx),
1710                EntitySubscription::LspStore(subscription) => {
1711                    subscription.set_entity(&lsp_store, &cx)
1712                }
1713                EntitySubscription::DapStore(subscription) => {
1714                    subscription.set_entity(&dap_store, &cx)
1715                }
1716            })
1717            .collect::<Vec<_>>();
1718
1719        let user_ids = response
1720            .payload
1721            .collaborators
1722            .iter()
1723            .map(|peer| peer.user_id)
1724            .collect();
1725        user_store
1726            .update(&mut cx, |user_store, cx| user_store.get_users(user_ids, cx))?
1727            .await?;
1728
1729        project.update(&mut cx, |this, cx| {
1730            this.set_collaborators_from_proto(response.payload.collaborators, cx)?;
1731            this.client_subscriptions.extend(subscriptions);
1732            anyhow::Ok(())
1733        })??;
1734
1735        Ok(project)
1736    }
1737
1738    fn new_search_history() -> SearchHistory {
1739        SearchHistory::new(
1740            Some(MAX_PROJECT_SEARCH_HISTORY_SIZE),
1741            search_history::QueryInsertionBehavior::AlwaysInsert,
1742        )
1743    }
1744
1745    fn release(&mut self, cx: &mut App) {
1746        if let Some(client) = self.remote_client.take() {
1747            let shutdown = client.update(cx, |client, cx| {
1748                client.shutdown_processes(
1749                    Some(proto::ShutdownRemoteServer {}),
1750                    cx.background_executor().clone(),
1751                )
1752            });
1753
1754            cx.background_spawn(async move {
1755                if let Some(shutdown) = shutdown {
1756                    shutdown.await;
1757                }
1758            })
1759            .detach()
1760        }
1761
1762        match &self.client_state {
1763            ProjectClientState::Local => {}
1764            ProjectClientState::Shared { .. } => {
1765                let _ = self.unshare_internal(cx);
1766            }
1767            ProjectClientState::Remote { remote_id, .. } => {
1768                let _ = self.collab_client.send(proto::LeaveProject {
1769                    project_id: *remote_id,
1770                });
1771                self.disconnected_from_host_internal(cx);
1772            }
1773        }
1774    }
1775
1776    #[cfg(any(test, feature = "test-support"))]
1777    pub async fn example(
1778        root_paths: impl IntoIterator<Item = &Path>,
1779        cx: &mut AsyncApp,
1780    ) -> Entity<Project> {
1781        use clock::FakeSystemClock;
1782
1783        let fs = Arc::new(RealFs::new(None, cx.background_executor().clone()));
1784        let languages = LanguageRegistry::test(cx.background_executor().clone());
1785        let clock = Arc::new(FakeSystemClock::new());
1786        let http_client = http_client::FakeHttpClient::with_404_response();
1787        let client = cx
1788            .update(|cx| client::Client::new(clock, http_client.clone(), cx))
1789            .unwrap();
1790        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx)).unwrap();
1791        let project = cx
1792            .update(|cx| {
1793                Project::local(
1794                    client,
1795                    node_runtime::NodeRuntime::unavailable(),
1796                    user_store,
1797                    Arc::new(languages),
1798                    fs,
1799                    None,
1800                    cx,
1801                )
1802            })
1803            .unwrap();
1804        for path in root_paths {
1805            let (tree, _) = project
1806                .update(cx, |project, cx| {
1807                    project.find_or_create_worktree(path, true, cx)
1808                })
1809                .unwrap()
1810                .await
1811                .unwrap();
1812            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
1813                .unwrap()
1814                .await;
1815        }
1816        project
1817    }
1818
1819    #[cfg(any(test, feature = "test-support"))]
1820    pub async fn test(
1821        fs: Arc<dyn Fs>,
1822        root_paths: impl IntoIterator<Item = &Path>,
1823        cx: &mut gpui::TestAppContext,
1824    ) -> Entity<Project> {
1825        use clock::FakeSystemClock;
1826
1827        let languages = LanguageRegistry::test(cx.executor());
1828        let clock = Arc::new(FakeSystemClock::new());
1829        let http_client = http_client::FakeHttpClient::with_404_response();
1830        let client = cx.update(|cx| client::Client::new(clock, http_client.clone(), cx));
1831        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
1832        let project = cx.update(|cx| {
1833            Project::local(
1834                client,
1835                node_runtime::NodeRuntime::unavailable(),
1836                user_store,
1837                Arc::new(languages),
1838                fs,
1839                None,
1840                cx,
1841            )
1842        });
1843        for path in root_paths {
1844            let (tree, _) = project
1845                .update(cx, |project, cx| {
1846                    project.find_or_create_worktree(path, true, cx)
1847                })
1848                .await
1849                .unwrap();
1850
1851            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
1852                .await;
1853        }
1854        project
1855    }
1856
1857    #[inline]
1858    pub fn dap_store(&self) -> Entity<DapStore> {
1859        self.dap_store.clone()
1860    }
1861
1862    #[inline]
1863    pub fn breakpoint_store(&self) -> Entity<BreakpointStore> {
1864        self.breakpoint_store.clone()
1865    }
1866
1867    pub fn active_debug_session(&self, cx: &App) -> Option<(Entity<Session>, ActiveStackFrame)> {
1868        let active_position = self.breakpoint_store.read(cx).active_position()?;
1869        let session = self
1870            .dap_store
1871            .read(cx)
1872            .session_by_id(active_position.session_id)?;
1873        Some((session, active_position.clone()))
1874    }
1875
1876    #[inline]
1877    pub fn lsp_store(&self) -> Entity<LspStore> {
1878        self.lsp_store.clone()
1879    }
1880
1881    #[inline]
1882    pub fn worktree_store(&self) -> Entity<WorktreeStore> {
1883        self.worktree_store.clone()
1884    }
1885
1886    #[inline]
1887    pub fn context_server_store(&self) -> Entity<ContextServerStore> {
1888        self.context_server_store.clone()
1889    }
1890
1891    #[inline]
1892    pub fn buffer_for_id(&self, remote_id: BufferId, cx: &App) -> Option<Entity<Buffer>> {
1893        self.buffer_store.read(cx).get(remote_id)
1894    }
1895
1896    #[inline]
1897    pub fn languages(&self) -> &Arc<LanguageRegistry> {
1898        &self.languages
1899    }
1900
1901    #[inline]
1902    pub fn client(&self) -> Arc<Client> {
1903        self.collab_client.clone()
1904    }
1905
1906    #[inline]
1907    pub fn remote_client(&self) -> Option<Entity<RemoteClient>> {
1908        self.remote_client.clone()
1909    }
1910
1911    #[inline]
1912    pub fn user_store(&self) -> Entity<UserStore> {
1913        self.user_store.clone()
1914    }
1915
1916    #[inline]
1917    pub fn node_runtime(&self) -> Option<&NodeRuntime> {
1918        self.node.as_ref()
1919    }
1920
1921    #[inline]
1922    pub fn opened_buffers(&self, cx: &App) -> Vec<Entity<Buffer>> {
1923        self.buffer_store.read(cx).buffers().collect()
1924    }
1925
1926    #[inline]
1927    pub fn environment(&self) -> &Entity<ProjectEnvironment> {
1928        &self.environment
1929    }
1930
1931    #[inline]
1932    pub fn cli_environment(&self, cx: &App) -> Option<HashMap<String, String>> {
1933        self.environment.read(cx).get_cli_environment()
1934    }
1935
1936    pub fn buffer_environment<'a>(
1937        &'a self,
1938        buffer: &Entity<Buffer>,
1939        worktree_store: &Entity<WorktreeStore>,
1940        cx: &'a mut App,
1941    ) -> Shared<Task<Option<HashMap<String, String>>>> {
1942        self.environment.update(cx, |environment, cx| {
1943            environment.get_buffer_environment(buffer, worktree_store, cx)
1944        })
1945    }
1946
1947    pub fn directory_environment(
1948        &self,
1949        shell: &Shell,
1950        abs_path: Arc<Path>,
1951        cx: &mut App,
1952    ) -> Shared<Task<Option<HashMap<String, String>>>> {
1953        self.environment.update(cx, |environment, cx| {
1954            if let Some(remote_client) = self.remote_client.clone() {
1955                environment.get_remote_directory_environment(shell, abs_path, remote_client, cx)
1956            } else {
1957                environment.get_local_directory_environment(shell, abs_path, cx)
1958            }
1959        })
1960    }
1961
1962    #[inline]
1963    pub fn peek_environment_error<'a>(&'a self, cx: &'a App) -> Option<&'a String> {
1964        self.environment.read(cx).peek_environment_error()
1965    }
1966
1967    #[inline]
1968    pub fn pop_environment_error(&mut self, cx: &mut Context<Self>) {
1969        self.environment.update(cx, |environment, _| {
1970            environment.pop_environment_error();
1971        });
1972    }
1973
1974    #[cfg(any(test, feature = "test-support"))]
1975    #[inline]
1976    pub fn has_open_buffer(&self, path: impl Into<ProjectPath>, cx: &App) -> bool {
1977        self.buffer_store
1978            .read(cx)
1979            .get_by_path(&path.into())
1980            .is_some()
1981    }
1982
1983    #[inline]
1984    pub fn fs(&self) -> &Arc<dyn Fs> {
1985        &self.fs
1986    }
1987
1988    #[inline]
1989    pub fn remote_id(&self) -> Option<u64> {
1990        match self.client_state {
1991            ProjectClientState::Local => None,
1992            ProjectClientState::Shared { remote_id, .. }
1993            | ProjectClientState::Remote { remote_id, .. } => Some(remote_id),
1994        }
1995    }
1996
1997    #[inline]
1998    pub fn supports_terminal(&self, _cx: &App) -> bool {
1999        if self.is_local() {
2000            return true;
2001        }
2002        if self.is_via_remote_server() {
2003            return true;
2004        }
2005
2006        false
2007    }
2008
2009    #[inline]
2010    pub fn remote_connection_state(&self, cx: &App) -> Option<remote::ConnectionState> {
2011        self.remote_client
2012            .as_ref()
2013            .map(|remote| remote.read(cx).connection_state())
2014    }
2015
2016    #[inline]
2017    pub fn remote_connection_options(&self, cx: &App) -> Option<RemoteConnectionOptions> {
2018        self.remote_client
2019            .as_ref()
2020            .map(|remote| remote.read(cx).connection_options())
2021    }
2022
2023    #[inline]
2024    pub fn replica_id(&self) -> ReplicaId {
2025        match self.client_state {
2026            ProjectClientState::Remote { replica_id, .. } => replica_id,
2027            _ => {
2028                if self.remote_client.is_some() {
2029                    ReplicaId::REMOTE_SERVER
2030                } else {
2031                    ReplicaId::LOCAL
2032                }
2033            }
2034        }
2035    }
2036
2037    #[inline]
2038    pub fn task_store(&self) -> &Entity<TaskStore> {
2039        &self.task_store
2040    }
2041
2042    #[inline]
2043    pub fn snippets(&self) -> &Entity<SnippetProvider> {
2044        &self.snippets
2045    }
2046
2047    #[inline]
2048    pub fn search_history(&self, kind: SearchInputKind) -> &SearchHistory {
2049        match kind {
2050            SearchInputKind::Query => &self.search_history,
2051            SearchInputKind::Include => &self.search_included_history,
2052            SearchInputKind::Exclude => &self.search_excluded_history,
2053        }
2054    }
2055
2056    #[inline]
2057    pub fn search_history_mut(&mut self, kind: SearchInputKind) -> &mut SearchHistory {
2058        match kind {
2059            SearchInputKind::Query => &mut self.search_history,
2060            SearchInputKind::Include => &mut self.search_included_history,
2061            SearchInputKind::Exclude => &mut self.search_excluded_history,
2062        }
2063    }
2064
2065    #[inline]
2066    pub fn collaborators(&self) -> &HashMap<proto::PeerId, Collaborator> {
2067        &self.collaborators
2068    }
2069
2070    #[inline]
2071    pub fn host(&self) -> Option<&Collaborator> {
2072        self.collaborators.values().find(|c| c.is_host)
2073    }
2074
2075    #[inline]
2076    pub fn set_worktrees_reordered(&mut self, worktrees_reordered: bool, cx: &mut App) {
2077        self.worktree_store.update(cx, |store, _| {
2078            store.set_worktrees_reordered(worktrees_reordered);
2079        });
2080    }
2081
2082    /// Collect all worktrees, including ones that don't appear in the project panel
2083    #[inline]
2084    pub fn worktrees<'a>(
2085        &self,
2086        cx: &'a App,
2087    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
2088        self.worktree_store.read(cx).worktrees()
2089    }
2090
2091    /// Collect all user-visible worktrees, the ones that appear in the project panel.
2092    #[inline]
2093    pub fn visible_worktrees<'a>(
2094        &'a self,
2095        cx: &'a App,
2096    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
2097        self.worktree_store.read(cx).visible_worktrees(cx)
2098    }
2099
2100    #[inline]
2101    pub fn worktree_for_root_name(&self, root_name: &str, cx: &App) -> Option<Entity<Worktree>> {
2102        self.visible_worktrees(cx)
2103            .find(|tree| tree.read(cx).root_name() == root_name)
2104    }
2105
2106    #[inline]
2107    pub fn worktree_root_names<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = &'a str> {
2108        self.visible_worktrees(cx)
2109            .map(|tree| tree.read(cx).root_name().as_unix_str())
2110    }
2111
2112    #[inline]
2113    pub fn worktree_for_id(&self, id: WorktreeId, cx: &App) -> Option<Entity<Worktree>> {
2114        self.worktree_store.read(cx).worktree_for_id(id, cx)
2115    }
2116
2117    pub fn worktree_for_entry(
2118        &self,
2119        entry_id: ProjectEntryId,
2120        cx: &App,
2121    ) -> Option<Entity<Worktree>> {
2122        self.worktree_store
2123            .read(cx)
2124            .worktree_for_entry(entry_id, cx)
2125    }
2126
2127    #[inline]
2128    pub fn worktree_id_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<WorktreeId> {
2129        self.worktree_for_entry(entry_id, cx)
2130            .map(|worktree| worktree.read(cx).id())
2131    }
2132
2133    /// Checks if the entry is the root of a worktree.
2134    #[inline]
2135    pub fn entry_is_worktree_root(&self, entry_id: ProjectEntryId, cx: &App) -> bool {
2136        self.worktree_for_entry(entry_id, cx)
2137            .map(|worktree| {
2138                worktree
2139                    .read(cx)
2140                    .root_entry()
2141                    .is_some_and(|e| e.id == entry_id)
2142            })
2143            .unwrap_or(false)
2144    }
2145
2146    #[inline]
2147    pub fn project_path_git_status(
2148        &self,
2149        project_path: &ProjectPath,
2150        cx: &App,
2151    ) -> Option<FileStatus> {
2152        self.git_store
2153            .read(cx)
2154            .project_path_git_status(project_path, cx)
2155    }
2156
2157    #[inline]
2158    pub fn visibility_for_paths(
2159        &self,
2160        paths: &[PathBuf],
2161        metadatas: &[Metadata],
2162        exclude_sub_dirs: bool,
2163        cx: &App,
2164    ) -> Option<bool> {
2165        paths
2166            .iter()
2167            .zip(metadatas)
2168            .map(|(path, metadata)| self.visibility_for_path(path, metadata, exclude_sub_dirs, cx))
2169            .max()
2170            .flatten()
2171    }
2172
2173    pub fn visibility_for_path(
2174        &self,
2175        path: &Path,
2176        metadata: &Metadata,
2177        exclude_sub_dirs: bool,
2178        cx: &App,
2179    ) -> Option<bool> {
2180        let path = SanitizedPath::new(path).as_path();
2181        self.worktrees(cx)
2182            .filter_map(|worktree| {
2183                let worktree = worktree.read(cx);
2184                let abs_path = worktree.as_local()?.abs_path();
2185                let contains = path == abs_path.as_ref()
2186                    || (path.starts_with(abs_path) && (!exclude_sub_dirs || !metadata.is_dir));
2187                contains.then(|| worktree.is_visible())
2188            })
2189            .max()
2190    }
2191
2192    pub fn create_entry(
2193        &mut self,
2194        project_path: impl Into<ProjectPath>,
2195        is_directory: bool,
2196        cx: &mut Context<Self>,
2197    ) -> Task<Result<CreatedEntry>> {
2198        let project_path = project_path.into();
2199        let Some(worktree) = self.worktree_for_id(project_path.worktree_id, cx) else {
2200            return Task::ready(Err(anyhow!(format!(
2201                "No worktree for path {project_path:?}"
2202            ))));
2203        };
2204        worktree.update(cx, |worktree, cx| {
2205            worktree.create_entry(project_path.path, is_directory, None, cx)
2206        })
2207    }
2208
2209    #[inline]
2210    pub fn copy_entry(
2211        &mut self,
2212        entry_id: ProjectEntryId,
2213        new_project_path: ProjectPath,
2214        cx: &mut Context<Self>,
2215    ) -> Task<Result<Option<Entry>>> {
2216        self.worktree_store.update(cx, |worktree_store, cx| {
2217            worktree_store.copy_entry(entry_id, new_project_path, cx)
2218        })
2219    }
2220
2221    /// Renames the project entry with given `entry_id`.
2222    ///
2223    /// `new_path` is a relative path to worktree root.
2224    /// If root entry is renamed then its new root name is used instead.
2225    pub fn rename_entry(
2226        &mut self,
2227        entry_id: ProjectEntryId,
2228        new_path: ProjectPath,
2229        cx: &mut Context<Self>,
2230    ) -> Task<Result<CreatedEntry>> {
2231        let worktree_store = self.worktree_store.clone();
2232        let Some((worktree, old_path, is_dir)) = worktree_store
2233            .read(cx)
2234            .worktree_and_entry_for_id(entry_id, cx)
2235            .map(|(worktree, entry)| (worktree, entry.path.clone(), entry.is_dir()))
2236        else {
2237            return Task::ready(Err(anyhow!(format!("No worktree for entry {entry_id:?}"))));
2238        };
2239
2240        let worktree_id = worktree.read(cx).id();
2241        let is_root_entry = self.entry_is_worktree_root(entry_id, cx);
2242
2243        let lsp_store = self.lsp_store().downgrade();
2244        cx.spawn(async move |project, cx| {
2245            let (old_abs_path, new_abs_path) = {
2246                let root_path = worktree.read_with(cx, |this, _| this.abs_path())?;
2247                let new_abs_path = if is_root_entry {
2248                    root_path
2249                        .parent()
2250                        .unwrap()
2251                        .join(new_path.path.as_std_path())
2252                } else {
2253                    root_path.join(&new_path.path.as_std_path())
2254                };
2255                (root_path.join(old_path.as_std_path()), new_abs_path)
2256            };
2257            let transaction = LspStore::will_rename_entry(
2258                lsp_store.clone(),
2259                worktree_id,
2260                &old_abs_path,
2261                &new_abs_path,
2262                is_dir,
2263                cx.clone(),
2264            )
2265            .await;
2266
2267            let entry = worktree_store
2268                .update(cx, |worktree_store, cx| {
2269                    worktree_store.rename_entry(entry_id, new_path.clone(), cx)
2270                })?
2271                .await?;
2272
2273            project
2274                .update(cx, |_, cx| {
2275                    cx.emit(Event::EntryRenamed(transaction));
2276                })
2277                .ok();
2278
2279            lsp_store
2280                .read_with(cx, |this, _| {
2281                    this.did_rename_entry(worktree_id, &old_abs_path, &new_abs_path, is_dir);
2282                })
2283                .ok();
2284            Ok(entry)
2285        })
2286    }
2287
2288    #[inline]
2289    pub fn delete_file(
2290        &mut self,
2291        path: ProjectPath,
2292        trash: bool,
2293        cx: &mut Context<Self>,
2294    ) -> Option<Task<Result<()>>> {
2295        let entry = self.entry_for_path(&path, cx)?;
2296        self.delete_entry(entry.id, trash, cx)
2297    }
2298
2299    #[inline]
2300    pub fn delete_entry(
2301        &mut self,
2302        entry_id: ProjectEntryId,
2303        trash: bool,
2304        cx: &mut Context<Self>,
2305    ) -> Option<Task<Result<()>>> {
2306        let worktree = self.worktree_for_entry(entry_id, cx)?;
2307        cx.emit(Event::DeletedEntry(worktree.read(cx).id(), entry_id));
2308        worktree.update(cx, |worktree, cx| {
2309            worktree.delete_entry(entry_id, trash, cx)
2310        })
2311    }
2312
2313    #[inline]
2314    pub fn expand_entry(
2315        &mut self,
2316        worktree_id: WorktreeId,
2317        entry_id: ProjectEntryId,
2318        cx: &mut Context<Self>,
2319    ) -> Option<Task<Result<()>>> {
2320        let worktree = self.worktree_for_id(worktree_id, cx)?;
2321        worktree.update(cx, |worktree, cx| worktree.expand_entry(entry_id, cx))
2322    }
2323
2324    pub fn expand_all_for_entry(
2325        &mut self,
2326        worktree_id: WorktreeId,
2327        entry_id: ProjectEntryId,
2328        cx: &mut Context<Self>,
2329    ) -> Option<Task<Result<()>>> {
2330        let worktree = self.worktree_for_id(worktree_id, cx)?;
2331        let task = worktree.update(cx, |worktree, cx| {
2332            worktree.expand_all_for_entry(entry_id, cx)
2333        });
2334        Some(cx.spawn(async move |this, cx| {
2335            task.context("no task")?.await?;
2336            this.update(cx, |_, cx| {
2337                cx.emit(Event::ExpandedAllForEntry(worktree_id, entry_id));
2338            })?;
2339            Ok(())
2340        }))
2341    }
2342
2343    pub fn shared(&mut self, project_id: u64, cx: &mut Context<Self>) -> Result<()> {
2344        anyhow::ensure!(
2345            matches!(self.client_state, ProjectClientState::Local),
2346            "project was already shared"
2347        );
2348
2349        self.client_subscriptions.extend([
2350            self.collab_client
2351                .subscribe_to_entity(project_id)?
2352                .set_entity(&cx.entity(), &cx.to_async()),
2353            self.collab_client
2354                .subscribe_to_entity(project_id)?
2355                .set_entity(&self.worktree_store, &cx.to_async()),
2356            self.collab_client
2357                .subscribe_to_entity(project_id)?
2358                .set_entity(&self.buffer_store, &cx.to_async()),
2359            self.collab_client
2360                .subscribe_to_entity(project_id)?
2361                .set_entity(&self.lsp_store, &cx.to_async()),
2362            self.collab_client
2363                .subscribe_to_entity(project_id)?
2364                .set_entity(&self.settings_observer, &cx.to_async()),
2365            self.collab_client
2366                .subscribe_to_entity(project_id)?
2367                .set_entity(&self.dap_store, &cx.to_async()),
2368            self.collab_client
2369                .subscribe_to_entity(project_id)?
2370                .set_entity(&self.breakpoint_store, &cx.to_async()),
2371            self.collab_client
2372                .subscribe_to_entity(project_id)?
2373                .set_entity(&self.git_store, &cx.to_async()),
2374        ]);
2375
2376        self.buffer_store.update(cx, |buffer_store, cx| {
2377            buffer_store.shared(project_id, self.collab_client.clone().into(), cx)
2378        });
2379        self.worktree_store.update(cx, |worktree_store, cx| {
2380            worktree_store.shared(project_id, self.collab_client.clone().into(), cx);
2381        });
2382        self.lsp_store.update(cx, |lsp_store, cx| {
2383            lsp_store.shared(project_id, self.collab_client.clone().into(), cx)
2384        });
2385        self.breakpoint_store.update(cx, |breakpoint_store, _| {
2386            breakpoint_store.shared(project_id, self.collab_client.clone().into())
2387        });
2388        self.dap_store.update(cx, |dap_store, cx| {
2389            dap_store.shared(project_id, self.collab_client.clone().into(), cx);
2390        });
2391        self.task_store.update(cx, |task_store, cx| {
2392            task_store.shared(project_id, self.collab_client.clone().into(), cx);
2393        });
2394        self.settings_observer.update(cx, |settings_observer, cx| {
2395            settings_observer.shared(project_id, self.collab_client.clone().into(), cx)
2396        });
2397        self.git_store.update(cx, |git_store, cx| {
2398            git_store.shared(project_id, self.collab_client.clone().into(), cx)
2399        });
2400
2401        self.client_state = ProjectClientState::Shared {
2402            remote_id: project_id,
2403        };
2404
2405        cx.emit(Event::RemoteIdChanged(Some(project_id)));
2406        Ok(())
2407    }
2408
2409    pub fn reshared(
2410        &mut self,
2411        message: proto::ResharedProject,
2412        cx: &mut Context<Self>,
2413    ) -> Result<()> {
2414        self.buffer_store
2415            .update(cx, |buffer_store, _| buffer_store.forget_shared_buffers());
2416        self.set_collaborators_from_proto(message.collaborators, cx)?;
2417
2418        self.worktree_store.update(cx, |worktree_store, cx| {
2419            worktree_store.send_project_updates(cx);
2420        });
2421        if let Some(remote_id) = self.remote_id() {
2422            self.git_store.update(cx, |git_store, cx| {
2423                git_store.shared(remote_id, self.collab_client.clone().into(), cx)
2424            });
2425        }
2426        cx.emit(Event::Reshared);
2427        Ok(())
2428    }
2429
2430    pub fn rejoined(
2431        &mut self,
2432        message: proto::RejoinedProject,
2433        message_id: u32,
2434        cx: &mut Context<Self>,
2435    ) -> Result<()> {
2436        cx.update_global::<SettingsStore, _>(|store, cx| {
2437            self.worktree_store.update(cx, |worktree_store, cx| {
2438                for worktree in worktree_store.worktrees() {
2439                    store
2440                        .clear_local_settings(worktree.read(cx).id(), cx)
2441                        .log_err();
2442                }
2443            });
2444        });
2445
2446        self.join_project_response_message_id = message_id;
2447        self.set_worktrees_from_proto(message.worktrees, cx)?;
2448        self.set_collaborators_from_proto(message.collaborators, cx)?;
2449
2450        let project = cx.weak_entity();
2451        self.lsp_store.update(cx, |lsp_store, cx| {
2452            lsp_store.set_language_server_statuses_from_proto(
2453                project,
2454                message.language_servers,
2455                message.language_server_capabilities,
2456                cx,
2457            )
2458        });
2459        self.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
2460            .unwrap();
2461        cx.emit(Event::Rejoined);
2462        Ok(())
2463    }
2464
2465    #[inline]
2466    pub fn unshare(&mut self, cx: &mut Context<Self>) -> Result<()> {
2467        self.unshare_internal(cx)?;
2468        cx.emit(Event::RemoteIdChanged(None));
2469        Ok(())
2470    }
2471
2472    fn unshare_internal(&mut self, cx: &mut App) -> Result<()> {
2473        anyhow::ensure!(
2474            !self.is_via_collab(),
2475            "attempted to unshare a remote project"
2476        );
2477
2478        if let ProjectClientState::Shared { remote_id, .. } = self.client_state {
2479            self.client_state = ProjectClientState::Local;
2480            self.collaborators.clear();
2481            self.client_subscriptions.clear();
2482            self.worktree_store.update(cx, |store, cx| {
2483                store.unshared(cx);
2484            });
2485            self.buffer_store.update(cx, |buffer_store, cx| {
2486                buffer_store.forget_shared_buffers();
2487                buffer_store.unshared(cx)
2488            });
2489            self.task_store.update(cx, |task_store, cx| {
2490                task_store.unshared(cx);
2491            });
2492            self.breakpoint_store.update(cx, |breakpoint_store, cx| {
2493                breakpoint_store.unshared(cx);
2494            });
2495            self.dap_store.update(cx, |dap_store, cx| {
2496                dap_store.unshared(cx);
2497            });
2498            self.settings_observer.update(cx, |settings_observer, cx| {
2499                settings_observer.unshared(cx);
2500            });
2501            self.git_store.update(cx, |git_store, cx| {
2502                git_store.unshared(cx);
2503            });
2504
2505            self.collab_client
2506                .send(proto::UnshareProject {
2507                    project_id: remote_id,
2508                })
2509                .ok();
2510            Ok(())
2511        } else {
2512            anyhow::bail!("attempted to unshare an unshared project");
2513        }
2514    }
2515
2516    pub fn disconnected_from_host(&mut self, cx: &mut Context<Self>) {
2517        if self.is_disconnected(cx) {
2518            return;
2519        }
2520        self.disconnected_from_host_internal(cx);
2521        cx.emit(Event::DisconnectedFromHost);
2522    }
2523
2524    pub fn set_role(&mut self, role: proto::ChannelRole, cx: &mut Context<Self>) {
2525        let new_capability =
2526            if role == proto::ChannelRole::Member || role == proto::ChannelRole::Admin {
2527                Capability::ReadWrite
2528            } else {
2529                Capability::ReadOnly
2530            };
2531        if let ProjectClientState::Remote { capability, .. } = &mut self.client_state {
2532            if *capability == new_capability {
2533                return;
2534            }
2535
2536            *capability = new_capability;
2537            for buffer in self.opened_buffers(cx) {
2538                buffer.update(cx, |buffer, cx| buffer.set_capability(new_capability, cx));
2539            }
2540        }
2541    }
2542
2543    fn disconnected_from_host_internal(&mut self, cx: &mut App) {
2544        if let ProjectClientState::Remote {
2545            sharing_has_stopped,
2546            ..
2547        } = &mut self.client_state
2548        {
2549            *sharing_has_stopped = true;
2550            self.collaborators.clear();
2551            self.worktree_store.update(cx, |store, cx| {
2552                store.disconnected_from_host(cx);
2553            });
2554            self.buffer_store.update(cx, |buffer_store, cx| {
2555                buffer_store.disconnected_from_host(cx)
2556            });
2557            self.lsp_store
2558                .update(cx, |lsp_store, _cx| lsp_store.disconnected_from_host());
2559        }
2560    }
2561
2562    #[inline]
2563    pub fn close(&mut self, cx: &mut Context<Self>) {
2564        cx.emit(Event::Closed);
2565    }
2566
2567    #[inline]
2568    pub fn is_disconnected(&self, cx: &App) -> bool {
2569        match &self.client_state {
2570            ProjectClientState::Remote {
2571                sharing_has_stopped,
2572                ..
2573            } => *sharing_has_stopped,
2574            ProjectClientState::Local if self.is_via_remote_server() => {
2575                self.remote_client_is_disconnected(cx)
2576            }
2577            _ => false,
2578        }
2579    }
2580
2581    #[inline]
2582    fn remote_client_is_disconnected(&self, cx: &App) -> bool {
2583        self.remote_client
2584            .as_ref()
2585            .map(|remote| remote.read(cx).is_disconnected())
2586            .unwrap_or(false)
2587    }
2588
2589    #[inline]
2590    pub fn capability(&self) -> Capability {
2591        match &self.client_state {
2592            ProjectClientState::Remote { capability, .. } => *capability,
2593            ProjectClientState::Shared { .. } | ProjectClientState::Local => Capability::ReadWrite,
2594        }
2595    }
2596
2597    #[inline]
2598    pub fn is_read_only(&self, cx: &App) -> bool {
2599        self.is_disconnected(cx) || self.capability() == Capability::ReadOnly
2600    }
2601
2602    #[inline]
2603    pub fn is_local(&self) -> bool {
2604        match &self.client_state {
2605            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2606                self.remote_client.is_none()
2607            }
2608            ProjectClientState::Remote { .. } => false,
2609        }
2610    }
2611
2612    /// Whether this project is a remote server (not counting collab).
2613    #[inline]
2614    pub fn is_via_remote_server(&self) -> bool {
2615        match &self.client_state {
2616            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2617                self.remote_client.is_some()
2618            }
2619            ProjectClientState::Remote { .. } => false,
2620        }
2621    }
2622
2623    /// Whether this project is from collab (not counting remote servers).
2624    #[inline]
2625    pub fn is_via_collab(&self) -> bool {
2626        match &self.client_state {
2627            ProjectClientState::Local | ProjectClientState::Shared { .. } => false,
2628            ProjectClientState::Remote { .. } => true,
2629        }
2630    }
2631
2632    /// `!self.is_local()`
2633    #[inline]
2634    pub fn is_remote(&self) -> bool {
2635        debug_assert_eq!(
2636            !self.is_local(),
2637            self.is_via_collab() || self.is_via_remote_server()
2638        );
2639        !self.is_local()
2640    }
2641
2642    #[inline]
2643    pub fn create_buffer(
2644        &mut self,
2645        searchable: bool,
2646        cx: &mut Context<Self>,
2647    ) -> Task<Result<Entity<Buffer>>> {
2648        self.buffer_store.update(cx, |buffer_store, cx| {
2649            buffer_store.create_buffer(searchable, cx)
2650        })
2651    }
2652
2653    #[inline]
2654    pub fn create_local_buffer(
2655        &mut self,
2656        text: &str,
2657        language: Option<Arc<Language>>,
2658        project_searchable: bool,
2659        cx: &mut Context<Self>,
2660    ) -> Entity<Buffer> {
2661        if self.is_remote() {
2662            panic!("called create_local_buffer on a remote project")
2663        }
2664        self.buffer_store.update(cx, |buffer_store, cx| {
2665            buffer_store.create_local_buffer(text, language, project_searchable, cx)
2666        })
2667    }
2668
2669    pub fn open_path(
2670        &mut self,
2671        path: ProjectPath,
2672        cx: &mut Context<Self>,
2673    ) -> Task<Result<(Option<ProjectEntryId>, Entity<Buffer>)>> {
2674        let task = self.open_buffer(path, cx);
2675        cx.spawn(async move |_project, cx| {
2676            let buffer = task.await?;
2677            let project_entry_id = buffer.read_with(cx, |buffer, _cx| {
2678                File::from_dyn(buffer.file()).and_then(|file| file.project_entry_id())
2679            })?;
2680
2681            Ok((project_entry_id, buffer))
2682        })
2683    }
2684
2685    pub fn open_local_buffer(
2686        &mut self,
2687        abs_path: impl AsRef<Path>,
2688        cx: &mut Context<Self>,
2689    ) -> Task<Result<Entity<Buffer>>> {
2690        let worktree_task = self.find_or_create_worktree(abs_path.as_ref(), false, cx);
2691        cx.spawn(async move |this, cx| {
2692            let (worktree, relative_path) = worktree_task.await?;
2693            this.update(cx, |this, cx| {
2694                this.open_buffer((worktree.read(cx).id(), relative_path), cx)
2695            })?
2696            .await
2697        })
2698    }
2699
2700    #[cfg(any(test, feature = "test-support"))]
2701    pub fn open_local_buffer_with_lsp(
2702        &mut self,
2703        abs_path: impl AsRef<Path>,
2704        cx: &mut Context<Self>,
2705    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
2706        if let Some((worktree, relative_path)) = self.find_worktree(abs_path.as_ref(), cx) {
2707            self.open_buffer_with_lsp((worktree.read(cx).id(), relative_path), cx)
2708        } else {
2709            Task::ready(Err(anyhow!("no such path")))
2710        }
2711    }
2712
2713    pub fn open_buffer(
2714        &mut self,
2715        path: impl Into<ProjectPath>,
2716        cx: &mut App,
2717    ) -> Task<Result<Entity<Buffer>>> {
2718        if self.is_disconnected(cx) {
2719            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2720        }
2721
2722        self.buffer_store.update(cx, |buffer_store, cx| {
2723            buffer_store.open_buffer(
2724                path.into(),
2725                Some((*self.encoding_options.encoding).clone()),
2726                *self.encoding_options.force.get_mut(),
2727                *self.encoding_options.detect_utf16.get_mut(),
2728                cx,
2729            )
2730        })
2731    }
2732
2733    #[cfg(any(test, feature = "test-support"))]
2734    pub fn open_buffer_with_lsp(
2735        &mut self,
2736        path: impl Into<ProjectPath>,
2737        cx: &mut Context<Self>,
2738    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
2739        let buffer = self.open_buffer(path, cx);
2740        cx.spawn(async move |this, cx| {
2741            let buffer = buffer.await?;
2742            let handle = this.update(cx, |project, cx| {
2743                project.register_buffer_with_language_servers(&buffer, cx)
2744            })?;
2745            Ok((buffer, handle))
2746        })
2747    }
2748
2749    pub fn register_buffer_with_language_servers(
2750        &self,
2751        buffer: &Entity<Buffer>,
2752        cx: &mut App,
2753    ) -> OpenLspBufferHandle {
2754        self.lsp_store.update(cx, |lsp_store, cx| {
2755            lsp_store.register_buffer_with_language_servers(buffer, HashSet::default(), false, cx)
2756        })
2757    }
2758
2759    pub fn open_unstaged_diff(
2760        &mut self,
2761        buffer: Entity<Buffer>,
2762        cx: &mut Context<Self>,
2763    ) -> Task<Result<Entity<BufferDiff>>> {
2764        if self.is_disconnected(cx) {
2765            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2766        }
2767        self.git_store
2768            .update(cx, |git_store, cx| git_store.open_unstaged_diff(buffer, cx))
2769    }
2770
2771    pub fn open_uncommitted_diff(
2772        &mut self,
2773        buffer: Entity<Buffer>,
2774        cx: &mut Context<Self>,
2775    ) -> Task<Result<Entity<BufferDiff>>> {
2776        if self.is_disconnected(cx) {
2777            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2778        }
2779        self.git_store.update(cx, |git_store, cx| {
2780            git_store.open_uncommitted_diff(buffer, cx)
2781        })
2782    }
2783
2784    pub fn open_buffer_by_id(
2785        &mut self,
2786        id: BufferId,
2787        cx: &mut Context<Self>,
2788    ) -> Task<Result<Entity<Buffer>>> {
2789        if let Some(buffer) = self.buffer_for_id(id, cx) {
2790            Task::ready(Ok(buffer))
2791        } else if self.is_local() || self.is_via_remote_server() {
2792            Task::ready(Err(anyhow!("buffer {id} does not exist")))
2793        } else if let Some(project_id) = self.remote_id() {
2794            let request = self.collab_client.request(proto::OpenBufferById {
2795                project_id,
2796                id: id.into(),
2797            });
2798            cx.spawn(async move |project, cx| {
2799                let buffer_id = BufferId::new(request.await?.buffer_id)?;
2800                project
2801                    .update(cx, |project, cx| {
2802                        project.buffer_store.update(cx, |buffer_store, cx| {
2803                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
2804                        })
2805                    })?
2806                    .await
2807            })
2808        } else {
2809            Task::ready(Err(anyhow!("cannot open buffer while disconnected")))
2810        }
2811    }
2812
2813    pub fn save_buffers(
2814        &self,
2815        buffers: HashSet<Entity<Buffer>>,
2816        cx: &mut Context<Self>,
2817    ) -> Task<Result<()>> {
2818        cx.spawn(async move |this, cx| {
2819            let save_tasks = buffers.into_iter().filter_map(|buffer| {
2820                this.update(cx, |this, cx| this.save_buffer(buffer, cx))
2821                    .ok()
2822            });
2823            try_join_all(save_tasks).await?;
2824            Ok(())
2825        })
2826    }
2827
2828    pub fn save_buffer(&self, buffer: Entity<Buffer>, cx: &mut Context<Self>) -> Task<Result<()>> {
2829        self.buffer_store
2830            .update(cx, |buffer_store, cx| buffer_store.save_buffer(buffer, cx))
2831    }
2832
2833    pub fn save_buffer_as(
2834        &mut self,
2835        buffer: Entity<Buffer>,
2836        path: ProjectPath,
2837        cx: &mut Context<Self>,
2838    ) -> Task<Result<()>> {
2839        self.buffer_store.update(cx, |buffer_store, cx| {
2840            buffer_store.save_buffer_as(buffer.clone(), path, cx)
2841        })
2842    }
2843
2844    pub fn get_open_buffer(&self, path: &ProjectPath, cx: &App) -> Option<Entity<Buffer>> {
2845        self.buffer_store.read(cx).get_by_path(path)
2846    }
2847
2848    fn register_buffer(&mut self, buffer: &Entity<Buffer>, cx: &mut Context<Self>) -> Result<()> {
2849        {
2850            let mut remotely_created_models = self.remotely_created_models.lock();
2851            if remotely_created_models.retain_count > 0 {
2852                remotely_created_models.buffers.push(buffer.clone())
2853            }
2854        }
2855
2856        self.request_buffer_diff_recalculation(buffer, cx);
2857
2858        cx.subscribe(buffer, |this, buffer, event, cx| {
2859            this.on_buffer_event(buffer, event, cx);
2860        })
2861        .detach();
2862
2863        Ok(())
2864    }
2865
2866    pub fn open_image(
2867        &mut self,
2868        path: impl Into<ProjectPath>,
2869        cx: &mut Context<Self>,
2870    ) -> Task<Result<Entity<ImageItem>>> {
2871        if self.is_disconnected(cx) {
2872            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2873        }
2874
2875        let open_image_task = self.image_store.update(cx, |image_store, cx| {
2876            image_store.open_image(path.into(), cx)
2877        });
2878
2879        let weak_project = cx.entity().downgrade();
2880        cx.spawn(async move |_, cx| {
2881            let image_item = open_image_task.await?;
2882            let project = weak_project.upgrade().context("Project dropped")?;
2883
2884            let metadata = ImageItem::load_image_metadata(image_item.clone(), project, cx).await?;
2885            image_item.update(cx, |image_item, cx| {
2886                image_item.image_metadata = Some(metadata);
2887                cx.emit(ImageItemEvent::MetadataUpdated);
2888            })?;
2889
2890            Ok(image_item)
2891        })
2892    }
2893
2894    async fn send_buffer_ordered_messages(
2895        project: WeakEntity<Self>,
2896        rx: UnboundedReceiver<BufferOrderedMessage>,
2897        cx: &mut AsyncApp,
2898    ) -> Result<()> {
2899        const MAX_BATCH_SIZE: usize = 128;
2900
2901        let mut operations_by_buffer_id = HashMap::default();
2902        async fn flush_operations(
2903            this: &WeakEntity<Project>,
2904            operations_by_buffer_id: &mut HashMap<BufferId, Vec<proto::Operation>>,
2905            needs_resync_with_host: &mut bool,
2906            is_local: bool,
2907            cx: &mut AsyncApp,
2908        ) -> Result<()> {
2909            for (buffer_id, operations) in operations_by_buffer_id.drain() {
2910                let request = this.read_with(cx, |this, _| {
2911                    let project_id = this.remote_id()?;
2912                    Some(this.collab_client.request(proto::UpdateBuffer {
2913                        buffer_id: buffer_id.into(),
2914                        project_id,
2915                        operations,
2916                    }))
2917                })?;
2918                if let Some(request) = request
2919                    && request.await.is_err()
2920                    && !is_local
2921                {
2922                    *needs_resync_with_host = true;
2923                    break;
2924                }
2925            }
2926            Ok(())
2927        }
2928
2929        let mut needs_resync_with_host = false;
2930        let mut changes = rx.ready_chunks(MAX_BATCH_SIZE);
2931
2932        while let Some(changes) = changes.next().await {
2933            let is_local = project.read_with(cx, |this, _| this.is_local())?;
2934
2935            for change in changes {
2936                match change {
2937                    BufferOrderedMessage::Operation {
2938                        buffer_id,
2939                        operation,
2940                    } => {
2941                        if needs_resync_with_host {
2942                            continue;
2943                        }
2944
2945                        operations_by_buffer_id
2946                            .entry(buffer_id)
2947                            .or_insert(Vec::new())
2948                            .push(operation);
2949                    }
2950
2951                    BufferOrderedMessage::Resync => {
2952                        operations_by_buffer_id.clear();
2953                        if project
2954                            .update(cx, |this, cx| this.synchronize_remote_buffers(cx))?
2955                            .await
2956                            .is_ok()
2957                        {
2958                            needs_resync_with_host = false;
2959                        }
2960                    }
2961
2962                    BufferOrderedMessage::LanguageServerUpdate {
2963                        language_server_id,
2964                        message,
2965                        name,
2966                    } => {
2967                        flush_operations(
2968                            &project,
2969                            &mut operations_by_buffer_id,
2970                            &mut needs_resync_with_host,
2971                            is_local,
2972                            cx,
2973                        )
2974                        .await?;
2975
2976                        project.read_with(cx, |project, _| {
2977                            if let Some(project_id) = project.remote_id() {
2978                                project
2979                                    .collab_client
2980                                    .send(proto::UpdateLanguageServer {
2981                                        project_id,
2982                                        server_name: name.map(|name| String::from(name.0)),
2983                                        language_server_id: language_server_id.to_proto(),
2984                                        variant: Some(message),
2985                                    })
2986                                    .log_err();
2987                            }
2988                        })?;
2989                    }
2990                }
2991            }
2992
2993            flush_operations(
2994                &project,
2995                &mut operations_by_buffer_id,
2996                &mut needs_resync_with_host,
2997                is_local,
2998                cx,
2999            )
3000            .await?;
3001        }
3002
3003        Ok(())
3004    }
3005
3006    fn on_buffer_store_event(
3007        &mut self,
3008        _: Entity<BufferStore>,
3009        event: &BufferStoreEvent,
3010        cx: &mut Context<Self>,
3011    ) {
3012        match event {
3013            BufferStoreEvent::BufferAdded(buffer) => {
3014                self.register_buffer(buffer, cx).log_err();
3015            }
3016            BufferStoreEvent::BufferDropped(buffer_id) => {
3017                if let Some(ref remote_client) = self.remote_client {
3018                    remote_client
3019                        .read(cx)
3020                        .proto_client()
3021                        .send(proto::CloseBuffer {
3022                            project_id: 0,
3023                            buffer_id: buffer_id.to_proto(),
3024                        })
3025                        .log_err();
3026                }
3027            }
3028            _ => {}
3029        }
3030    }
3031
3032    fn on_image_store_event(
3033        &mut self,
3034        _: Entity<ImageStore>,
3035        event: &ImageStoreEvent,
3036        cx: &mut Context<Self>,
3037    ) {
3038        match event {
3039            ImageStoreEvent::ImageAdded(image) => {
3040                cx.subscribe(image, |this, image, event, cx| {
3041                    this.on_image_event(image, event, cx);
3042                })
3043                .detach();
3044            }
3045        }
3046    }
3047
3048    fn on_dap_store_event(
3049        &mut self,
3050        _: Entity<DapStore>,
3051        event: &DapStoreEvent,
3052        cx: &mut Context<Self>,
3053    ) {
3054        if let DapStoreEvent::Notification(message) = event {
3055            cx.emit(Event::Toast {
3056                notification_id: "dap".into(),
3057                message: message.clone(),
3058            });
3059        }
3060    }
3061
3062    fn on_lsp_store_event(
3063        &mut self,
3064        _: Entity<LspStore>,
3065        event: &LspStoreEvent,
3066        cx: &mut Context<Self>,
3067    ) {
3068        match event {
3069            LspStoreEvent::DiagnosticsUpdated { server_id, paths } => {
3070                cx.emit(Event::DiagnosticsUpdated {
3071                    paths: paths.clone(),
3072                    language_server_id: *server_id,
3073                })
3074            }
3075            LspStoreEvent::LanguageServerAdded(server_id, name, worktree_id) => cx.emit(
3076                Event::LanguageServerAdded(*server_id, name.clone(), *worktree_id),
3077            ),
3078            LspStoreEvent::LanguageServerRemoved(server_id) => {
3079                cx.emit(Event::LanguageServerRemoved(*server_id))
3080            }
3081            LspStoreEvent::LanguageServerLog(server_id, log_type, string) => cx.emit(
3082                Event::LanguageServerLog(*server_id, log_type.clone(), string.clone()),
3083            ),
3084            LspStoreEvent::LanguageDetected {
3085                buffer,
3086                new_language,
3087            } => {
3088                let Some(_) = new_language else {
3089                    cx.emit(Event::LanguageNotFound(buffer.clone()));
3090                    return;
3091                };
3092            }
3093            LspStoreEvent::RefreshInlayHints(server_id) => {
3094                cx.emit(Event::RefreshInlayHints(*server_id))
3095            }
3096            LspStoreEvent::RefreshCodeLens => cx.emit(Event::RefreshCodeLens),
3097            LspStoreEvent::LanguageServerPrompt(prompt) => {
3098                cx.emit(Event::LanguageServerPrompt(prompt.clone()))
3099            }
3100            LspStoreEvent::DiskBasedDiagnosticsStarted { language_server_id } => {
3101                cx.emit(Event::DiskBasedDiagnosticsStarted {
3102                    language_server_id: *language_server_id,
3103                });
3104            }
3105            LspStoreEvent::DiskBasedDiagnosticsFinished { language_server_id } => {
3106                cx.emit(Event::DiskBasedDiagnosticsFinished {
3107                    language_server_id: *language_server_id,
3108                });
3109            }
3110            LspStoreEvent::LanguageServerUpdate {
3111                language_server_id,
3112                name,
3113                message,
3114            } => {
3115                if self.is_local() {
3116                    self.enqueue_buffer_ordered_message(
3117                        BufferOrderedMessage::LanguageServerUpdate {
3118                            language_server_id: *language_server_id,
3119                            message: message.clone(),
3120                            name: name.clone(),
3121                        },
3122                    )
3123                    .ok();
3124                }
3125
3126                match message {
3127                    proto::update_language_server::Variant::MetadataUpdated(update) => {
3128                        if let Some(capabilities) = update
3129                            .capabilities
3130                            .as_ref()
3131                            .and_then(|capabilities| serde_json::from_str(capabilities).ok())
3132                        {
3133                            self.lsp_store.update(cx, |lsp_store, _| {
3134                                lsp_store
3135                                    .lsp_server_capabilities
3136                                    .insert(*language_server_id, capabilities);
3137                            });
3138                        }
3139                    }
3140                    proto::update_language_server::Variant::RegisteredForBuffer(update) => {
3141                        if let Some(buffer_id) = BufferId::new(update.buffer_id).ok() {
3142                            cx.emit(Event::LanguageServerBufferRegistered {
3143                                buffer_id,
3144                                server_id: *language_server_id,
3145                                buffer_abs_path: PathBuf::from(&update.buffer_abs_path),
3146                                name: name.clone(),
3147                            });
3148                        }
3149                    }
3150                    _ => (),
3151                }
3152            }
3153            LspStoreEvent::Notification(message) => cx.emit(Event::Toast {
3154                notification_id: "lsp".into(),
3155                message: message.clone(),
3156            }),
3157            LspStoreEvent::SnippetEdit {
3158                buffer_id,
3159                edits,
3160                most_recent_edit,
3161            } => {
3162                if most_recent_edit.replica_id == self.replica_id() {
3163                    cx.emit(Event::SnippetEdit(*buffer_id, edits.clone()))
3164                }
3165            }
3166        }
3167    }
3168
3169    fn on_remote_client_event(
3170        &mut self,
3171        _: Entity<RemoteClient>,
3172        event: &remote::RemoteClientEvent,
3173        cx: &mut Context<Self>,
3174    ) {
3175        match event {
3176            remote::RemoteClientEvent::Disconnected => {
3177                self.worktree_store.update(cx, |store, cx| {
3178                    store.disconnected_from_host(cx);
3179                });
3180                self.buffer_store.update(cx, |buffer_store, cx| {
3181                    buffer_store.disconnected_from_host(cx)
3182                });
3183                self.lsp_store.update(cx, |lsp_store, _cx| {
3184                    lsp_store.disconnected_from_ssh_remote()
3185                });
3186                cx.emit(Event::DisconnectedFromSshRemote);
3187            }
3188        }
3189    }
3190
3191    fn on_settings_observer_event(
3192        &mut self,
3193        _: Entity<SettingsObserver>,
3194        event: &SettingsObserverEvent,
3195        cx: &mut Context<Self>,
3196    ) {
3197        match event {
3198            SettingsObserverEvent::LocalSettingsUpdated(result) => match result {
3199                Err(InvalidSettingsError::LocalSettings { message, path }) => {
3200                    let message = format!("Failed to set local settings in {path:?}:\n{message}");
3201                    cx.emit(Event::Toast {
3202                        notification_id: format!("local-settings-{path:?}").into(),
3203                        message,
3204                    });
3205                }
3206                Ok(path) => cx.emit(Event::HideToast {
3207                    notification_id: format!("local-settings-{path:?}").into(),
3208                }),
3209                Err(_) => {}
3210            },
3211            SettingsObserverEvent::LocalTasksUpdated(result) => match result {
3212                Err(InvalidSettingsError::Tasks { message, path }) => {
3213                    let message = format!("Failed to set local tasks in {path:?}:\n{message}");
3214                    cx.emit(Event::Toast {
3215                        notification_id: format!("local-tasks-{path:?}").into(),
3216                        message,
3217                    });
3218                }
3219                Ok(path) => cx.emit(Event::HideToast {
3220                    notification_id: format!("local-tasks-{path:?}").into(),
3221                }),
3222                Err(_) => {}
3223            },
3224            SettingsObserverEvent::LocalDebugScenariosUpdated(result) => match result {
3225                Err(InvalidSettingsError::Debug { message, path }) => {
3226                    let message =
3227                        format!("Failed to set local debug scenarios in {path:?}:\n{message}");
3228                    cx.emit(Event::Toast {
3229                        notification_id: format!("local-debug-scenarios-{path:?}").into(),
3230                        message,
3231                    });
3232                }
3233                Ok(path) => cx.emit(Event::HideToast {
3234                    notification_id: format!("local-debug-scenarios-{path:?}").into(),
3235                }),
3236                Err(_) => {}
3237            },
3238        }
3239    }
3240
3241    fn on_worktree_store_event(
3242        &mut self,
3243        _: Entity<WorktreeStore>,
3244        event: &WorktreeStoreEvent,
3245        cx: &mut Context<Self>,
3246    ) {
3247        match event {
3248            WorktreeStoreEvent::WorktreeAdded(worktree) => {
3249                self.on_worktree_added(worktree, cx);
3250                cx.emit(Event::WorktreeAdded(worktree.read(cx).id()));
3251            }
3252            WorktreeStoreEvent::WorktreeRemoved(_, id) => {
3253                cx.emit(Event::WorktreeRemoved(*id));
3254            }
3255            WorktreeStoreEvent::WorktreeReleased(_, id) => {
3256                self.on_worktree_released(*id, cx);
3257            }
3258            WorktreeStoreEvent::WorktreeOrderChanged => cx.emit(Event::WorktreeOrderChanged),
3259            WorktreeStoreEvent::WorktreeUpdateSent(_) => {}
3260            WorktreeStoreEvent::WorktreeUpdatedEntries(worktree_id, changes) => {
3261                self.client()
3262                    .telemetry()
3263                    .report_discovered_project_type_events(*worktree_id, changes);
3264                cx.emit(Event::WorktreeUpdatedEntries(*worktree_id, changes.clone()))
3265            }
3266            WorktreeStoreEvent::WorktreeDeletedEntry(worktree_id, id) => {
3267                cx.emit(Event::DeletedEntry(*worktree_id, *id))
3268            }
3269            // Listen to the GitStore instead.
3270            WorktreeStoreEvent::WorktreeUpdatedGitRepositories(_, _) => {}
3271        }
3272    }
3273
3274    fn on_worktree_added(&mut self, worktree: &Entity<Worktree>, _: &mut Context<Self>) {
3275        let mut remotely_created_models = self.remotely_created_models.lock();
3276        if remotely_created_models.retain_count > 0 {
3277            remotely_created_models.worktrees.push(worktree.clone())
3278        }
3279    }
3280
3281    fn on_worktree_released(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
3282        if let Some(remote) = &self.remote_client {
3283            remote
3284                .read(cx)
3285                .proto_client()
3286                .send(proto::RemoveWorktree {
3287                    worktree_id: id_to_remove.to_proto(),
3288                })
3289                .log_err();
3290        }
3291    }
3292
3293    fn on_buffer_event(
3294        &mut self,
3295        buffer: Entity<Buffer>,
3296        event: &BufferEvent,
3297        cx: &mut Context<Self>,
3298    ) -> Option<()> {
3299        if matches!(event, BufferEvent::Edited | BufferEvent::Reloaded) {
3300            self.request_buffer_diff_recalculation(&buffer, cx);
3301        }
3302
3303        let buffer_id = buffer.read(cx).remote_id();
3304        match event {
3305            BufferEvent::ReloadNeeded => {
3306                if !self.is_via_collab() {
3307                    self.reload_buffers([buffer.clone()].into_iter().collect(), true, cx)
3308                        .detach_and_log_err(cx);
3309                }
3310            }
3311            BufferEvent::Operation {
3312                operation,
3313                is_local: true,
3314            } => {
3315                let operation = language::proto::serialize_operation(operation);
3316
3317                if let Some(remote) = &self.remote_client {
3318                    remote
3319                        .read(cx)
3320                        .proto_client()
3321                        .send(proto::UpdateBuffer {
3322                            project_id: 0,
3323                            buffer_id: buffer_id.to_proto(),
3324                            operations: vec![operation.clone()],
3325                        })
3326                        .ok();
3327                }
3328
3329                self.enqueue_buffer_ordered_message(BufferOrderedMessage::Operation {
3330                    buffer_id,
3331                    operation,
3332                })
3333                .ok();
3334            }
3335
3336            _ => {}
3337        }
3338
3339        None
3340    }
3341
3342    fn on_image_event(
3343        &mut self,
3344        image: Entity<ImageItem>,
3345        event: &ImageItemEvent,
3346        cx: &mut Context<Self>,
3347    ) -> Option<()> {
3348        if let ImageItemEvent::ReloadNeeded = event
3349            && !self.is_via_collab()
3350        {
3351            self.reload_images([image].into_iter().collect(), cx)
3352                .detach_and_log_err(cx);
3353        }
3354
3355        None
3356    }
3357
3358    fn request_buffer_diff_recalculation(
3359        &mut self,
3360        buffer: &Entity<Buffer>,
3361        cx: &mut Context<Self>,
3362    ) {
3363        self.buffers_needing_diff.insert(buffer.downgrade());
3364        let first_insertion = self.buffers_needing_diff.len() == 1;
3365        let settings = ProjectSettings::get_global(cx);
3366        let delay = settings.git.gutter_debounce;
3367
3368        if delay == 0 {
3369            if first_insertion {
3370                let this = cx.weak_entity();
3371                cx.defer(move |cx| {
3372                    if let Some(this) = this.upgrade() {
3373                        this.update(cx, |this, cx| {
3374                            this.recalculate_buffer_diffs(cx).detach();
3375                        });
3376                    }
3377                });
3378            }
3379            return;
3380        }
3381
3382        const MIN_DELAY: u64 = 50;
3383        let delay = delay.max(MIN_DELAY);
3384        let duration = Duration::from_millis(delay);
3385
3386        self.git_diff_debouncer
3387            .fire_new(duration, cx, move |this, cx| {
3388                this.recalculate_buffer_diffs(cx)
3389            });
3390    }
3391
3392    fn recalculate_buffer_diffs(&mut self, cx: &mut Context<Self>) -> Task<()> {
3393        cx.spawn(async move |this, cx| {
3394            loop {
3395                let task = this
3396                    .update(cx, |this, cx| {
3397                        let buffers = this
3398                            .buffers_needing_diff
3399                            .drain()
3400                            .filter_map(|buffer| buffer.upgrade())
3401                            .collect::<Vec<_>>();
3402                        if buffers.is_empty() {
3403                            None
3404                        } else {
3405                            Some(this.git_store.update(cx, |git_store, cx| {
3406                                git_store.recalculate_buffer_diffs(buffers, cx)
3407                            }))
3408                        }
3409                    })
3410                    .ok()
3411                    .flatten();
3412
3413                if let Some(task) = task {
3414                    task.await;
3415                } else {
3416                    break;
3417                }
3418            }
3419        })
3420    }
3421
3422    pub fn set_language_for_buffer(
3423        &mut self,
3424        buffer: &Entity<Buffer>,
3425        new_language: Arc<Language>,
3426        cx: &mut Context<Self>,
3427    ) {
3428        self.lsp_store.update(cx, |lsp_store, cx| {
3429            lsp_store.set_language_for_buffer(buffer, new_language, cx)
3430        })
3431    }
3432
3433    pub fn restart_language_servers_for_buffers(
3434        &mut self,
3435        buffers: Vec<Entity<Buffer>>,
3436        only_restart_servers: HashSet<LanguageServerSelector>,
3437        cx: &mut Context<Self>,
3438    ) {
3439        self.lsp_store.update(cx, |lsp_store, cx| {
3440            lsp_store.restart_language_servers_for_buffers(buffers, only_restart_servers, cx)
3441        })
3442    }
3443
3444    pub fn stop_language_servers_for_buffers(
3445        &mut self,
3446        buffers: Vec<Entity<Buffer>>,
3447        also_restart_servers: HashSet<LanguageServerSelector>,
3448        cx: &mut Context<Self>,
3449    ) {
3450        self.lsp_store
3451            .update(cx, |lsp_store, cx| {
3452                lsp_store.stop_language_servers_for_buffers(buffers, also_restart_servers, cx)
3453            })
3454            .detach_and_log_err(cx);
3455    }
3456
3457    pub fn cancel_language_server_work_for_buffers(
3458        &mut self,
3459        buffers: impl IntoIterator<Item = Entity<Buffer>>,
3460        cx: &mut Context<Self>,
3461    ) {
3462        self.lsp_store.update(cx, |lsp_store, cx| {
3463            lsp_store.cancel_language_server_work_for_buffers(buffers, cx)
3464        })
3465    }
3466
3467    pub fn cancel_language_server_work(
3468        &mut self,
3469        server_id: LanguageServerId,
3470        token_to_cancel: Option<ProgressToken>,
3471        cx: &mut Context<Self>,
3472    ) {
3473        self.lsp_store.update(cx, |lsp_store, cx| {
3474            lsp_store.cancel_language_server_work(server_id, token_to_cancel, cx)
3475        })
3476    }
3477
3478    fn enqueue_buffer_ordered_message(&mut self, message: BufferOrderedMessage) -> Result<()> {
3479        self.buffer_ordered_messages_tx
3480            .unbounded_send(message)
3481            .map_err(|e| anyhow!(e))
3482    }
3483
3484    pub fn available_toolchains(
3485        &self,
3486        path: ProjectPath,
3487        language_name: LanguageName,
3488        cx: &App,
3489    ) -> Task<Option<Toolchains>> {
3490        if let Some(toolchain_store) = self.toolchain_store.as_ref().map(Entity::downgrade) {
3491            cx.spawn(async move |cx| {
3492                toolchain_store
3493                    .update(cx, |this, cx| this.list_toolchains(path, language_name, cx))
3494                    .ok()?
3495                    .await
3496            })
3497        } else {
3498            Task::ready(None)
3499        }
3500    }
3501
3502    pub async fn toolchain_metadata(
3503        languages: Arc<LanguageRegistry>,
3504        language_name: LanguageName,
3505    ) -> Option<ToolchainMetadata> {
3506        languages
3507            .language_for_name(language_name.as_ref())
3508            .await
3509            .ok()?
3510            .toolchain_lister()
3511            .map(|lister| lister.meta())
3512    }
3513
3514    pub fn add_toolchain(
3515        &self,
3516        toolchain: Toolchain,
3517        scope: ToolchainScope,
3518        cx: &mut Context<Self>,
3519    ) {
3520        maybe!({
3521            self.toolchain_store.as_ref()?.update(cx, |this, cx| {
3522                this.add_toolchain(toolchain, scope, cx);
3523            });
3524            Some(())
3525        });
3526    }
3527
3528    pub fn remove_toolchain(
3529        &self,
3530        toolchain: Toolchain,
3531        scope: ToolchainScope,
3532        cx: &mut Context<Self>,
3533    ) {
3534        maybe!({
3535            self.toolchain_store.as_ref()?.update(cx, |this, cx| {
3536                this.remove_toolchain(toolchain, scope, cx);
3537            });
3538            Some(())
3539        });
3540    }
3541
3542    pub fn user_toolchains(
3543        &self,
3544        cx: &App,
3545    ) -> Option<BTreeMap<ToolchainScope, IndexSet<Toolchain>>> {
3546        Some(self.toolchain_store.as_ref()?.read(cx).user_toolchains())
3547    }
3548
3549    pub fn resolve_toolchain(
3550        &self,
3551        path: PathBuf,
3552        language_name: LanguageName,
3553        cx: &App,
3554    ) -> Task<Result<Toolchain>> {
3555        if let Some(toolchain_store) = self.toolchain_store.as_ref().map(Entity::downgrade) {
3556            cx.spawn(async move |cx| {
3557                toolchain_store
3558                    .update(cx, |this, cx| {
3559                        this.resolve_toolchain(path, language_name, cx)
3560                    })?
3561                    .await
3562            })
3563        } else {
3564            Task::ready(Err(anyhow!("This project does not support toolchains")))
3565        }
3566    }
3567
3568    pub fn toolchain_store(&self) -> Option<Entity<ToolchainStore>> {
3569        self.toolchain_store.clone()
3570    }
3571    pub fn activate_toolchain(
3572        &self,
3573        path: ProjectPath,
3574        toolchain: Toolchain,
3575        cx: &mut App,
3576    ) -> Task<Option<()>> {
3577        let Some(toolchain_store) = self.toolchain_store.clone() else {
3578            return Task::ready(None);
3579        };
3580        toolchain_store.update(cx, |this, cx| this.activate_toolchain(path, toolchain, cx))
3581    }
3582    pub fn active_toolchain(
3583        &self,
3584        path: ProjectPath,
3585        language_name: LanguageName,
3586        cx: &App,
3587    ) -> Task<Option<Toolchain>> {
3588        let Some(toolchain_store) = self.toolchain_store.clone() else {
3589            return Task::ready(None);
3590        };
3591        toolchain_store
3592            .read(cx)
3593            .active_toolchain(path, language_name, cx)
3594    }
3595    pub fn language_server_statuses<'a>(
3596        &'a self,
3597        cx: &'a App,
3598    ) -> impl DoubleEndedIterator<Item = (LanguageServerId, &'a LanguageServerStatus)> {
3599        self.lsp_store.read(cx).language_server_statuses()
3600    }
3601
3602    pub fn last_formatting_failure<'a>(&self, cx: &'a App) -> Option<&'a str> {
3603        self.lsp_store.read(cx).last_formatting_failure()
3604    }
3605
3606    pub fn reset_last_formatting_failure(&self, cx: &mut App) {
3607        self.lsp_store
3608            .update(cx, |store, _| store.reset_last_formatting_failure());
3609    }
3610
3611    pub fn reload_buffers(
3612        &self,
3613        buffers: HashSet<Entity<Buffer>>,
3614        push_to_history: bool,
3615        cx: &mut Context<Self>,
3616    ) -> Task<Result<ProjectTransaction>> {
3617        self.buffer_store.update(cx, |buffer_store, cx| {
3618            buffer_store.reload_buffers(buffers, push_to_history, cx)
3619        })
3620    }
3621
3622    pub fn reload_images(
3623        &self,
3624        images: HashSet<Entity<ImageItem>>,
3625        cx: &mut Context<Self>,
3626    ) -> Task<Result<()>> {
3627        self.image_store
3628            .update(cx, |image_store, cx| image_store.reload_images(images, cx))
3629    }
3630
3631    pub fn format(
3632        &mut self,
3633        buffers: HashSet<Entity<Buffer>>,
3634        target: LspFormatTarget,
3635        push_to_history: bool,
3636        trigger: lsp_store::FormatTrigger,
3637        cx: &mut Context<Project>,
3638    ) -> Task<anyhow::Result<ProjectTransaction>> {
3639        self.lsp_store.update(cx, |lsp_store, cx| {
3640            lsp_store.format(buffers, target, push_to_history, trigger, cx)
3641        })
3642    }
3643
3644    pub fn definitions<T: ToPointUtf16>(
3645        &mut self,
3646        buffer: &Entity<Buffer>,
3647        position: T,
3648        cx: &mut Context<Self>,
3649    ) -> Task<Result<Option<Vec<LocationLink>>>> {
3650        let position = position.to_point_utf16(buffer.read(cx));
3651        let guard = self.retain_remotely_created_models(cx);
3652        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3653            lsp_store.definitions(buffer, position, cx)
3654        });
3655        cx.background_spawn(async move {
3656            let result = task.await;
3657            drop(guard);
3658            result
3659        })
3660    }
3661
3662    pub fn declarations<T: ToPointUtf16>(
3663        &mut self,
3664        buffer: &Entity<Buffer>,
3665        position: T,
3666        cx: &mut Context<Self>,
3667    ) -> Task<Result<Option<Vec<LocationLink>>>> {
3668        let position = position.to_point_utf16(buffer.read(cx));
3669        let guard = self.retain_remotely_created_models(cx);
3670        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3671            lsp_store.declarations(buffer, position, cx)
3672        });
3673        cx.background_spawn(async move {
3674            let result = task.await;
3675            drop(guard);
3676            result
3677        })
3678    }
3679
3680    pub fn type_definitions<T: ToPointUtf16>(
3681        &mut self,
3682        buffer: &Entity<Buffer>,
3683        position: T,
3684        cx: &mut Context<Self>,
3685    ) -> Task<Result<Option<Vec<LocationLink>>>> {
3686        let position = position.to_point_utf16(buffer.read(cx));
3687        let guard = self.retain_remotely_created_models(cx);
3688        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3689            lsp_store.type_definitions(buffer, position, cx)
3690        });
3691        cx.background_spawn(async move {
3692            let result = task.await;
3693            drop(guard);
3694            result
3695        })
3696    }
3697
3698    pub fn implementations<T: ToPointUtf16>(
3699        &mut self,
3700        buffer: &Entity<Buffer>,
3701        position: T,
3702        cx: &mut Context<Self>,
3703    ) -> Task<Result<Option<Vec<LocationLink>>>> {
3704        let position = position.to_point_utf16(buffer.read(cx));
3705        let guard = self.retain_remotely_created_models(cx);
3706        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3707            lsp_store.implementations(buffer, position, cx)
3708        });
3709        cx.background_spawn(async move {
3710            let result = task.await;
3711            drop(guard);
3712            result
3713        })
3714    }
3715
3716    pub fn references<T: ToPointUtf16>(
3717        &mut self,
3718        buffer: &Entity<Buffer>,
3719        position: T,
3720        cx: &mut Context<Self>,
3721    ) -> Task<Result<Option<Vec<Location>>>> {
3722        let position = position.to_point_utf16(buffer.read(cx));
3723        let guard = self.retain_remotely_created_models(cx);
3724        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3725            lsp_store.references(buffer, position, cx)
3726        });
3727        cx.background_spawn(async move {
3728            let result = task.await;
3729            drop(guard);
3730            result
3731        })
3732    }
3733
3734    pub fn document_highlights<T: ToPointUtf16>(
3735        &mut self,
3736        buffer: &Entity<Buffer>,
3737        position: T,
3738        cx: &mut Context<Self>,
3739    ) -> Task<Result<Vec<DocumentHighlight>>> {
3740        let position = position.to_point_utf16(buffer.read(cx));
3741        self.request_lsp(
3742            buffer.clone(),
3743            LanguageServerToQuery::FirstCapable,
3744            GetDocumentHighlights { position },
3745            cx,
3746        )
3747    }
3748
3749    pub fn document_symbols(
3750        &mut self,
3751        buffer: &Entity<Buffer>,
3752        cx: &mut Context<Self>,
3753    ) -> Task<Result<Vec<DocumentSymbol>>> {
3754        self.request_lsp(
3755            buffer.clone(),
3756            LanguageServerToQuery::FirstCapable,
3757            GetDocumentSymbols,
3758            cx,
3759        )
3760    }
3761
3762    pub fn symbols(&self, query: &str, cx: &mut Context<Self>) -> Task<Result<Vec<Symbol>>> {
3763        self.lsp_store
3764            .update(cx, |lsp_store, cx| lsp_store.symbols(query, cx))
3765    }
3766
3767    pub fn open_buffer_for_symbol(
3768        &mut self,
3769        symbol: &Symbol,
3770        cx: &mut Context<Self>,
3771    ) -> Task<Result<Entity<Buffer>>> {
3772        self.lsp_store.update(cx, |lsp_store, cx| {
3773            lsp_store.open_buffer_for_symbol(symbol, cx)
3774        })
3775    }
3776
3777    pub fn open_server_settings(&mut self, cx: &mut Context<Self>) -> Task<Result<Entity<Buffer>>> {
3778        let guard = self.retain_remotely_created_models(cx);
3779        let Some(remote) = self.remote_client.as_ref() else {
3780            return Task::ready(Err(anyhow!("not an ssh project")));
3781        };
3782
3783        let proto_client = remote.read(cx).proto_client();
3784
3785        cx.spawn(async move |project, cx| {
3786            let buffer = proto_client
3787                .request(proto::OpenServerSettings {
3788                    project_id: REMOTE_SERVER_PROJECT_ID,
3789                })
3790                .await?;
3791
3792            let buffer = project
3793                .update(cx, |project, cx| {
3794                    project.buffer_store.update(cx, |buffer_store, cx| {
3795                        anyhow::Ok(
3796                            buffer_store
3797                                .wait_for_remote_buffer(BufferId::new(buffer.buffer_id)?, cx),
3798                        )
3799                    })
3800                })??
3801                .await;
3802
3803            drop(guard);
3804            buffer
3805        })
3806    }
3807
3808    pub fn open_local_buffer_via_lsp(
3809        &mut self,
3810        abs_path: lsp::Uri,
3811        language_server_id: LanguageServerId,
3812        cx: &mut Context<Self>,
3813    ) -> Task<Result<Entity<Buffer>>> {
3814        self.lsp_store.update(cx, |lsp_store, cx| {
3815            lsp_store.open_local_buffer_via_lsp(abs_path, language_server_id, cx)
3816        })
3817    }
3818
3819    pub fn hover<T: ToPointUtf16>(
3820        &self,
3821        buffer: &Entity<Buffer>,
3822        position: T,
3823        cx: &mut Context<Self>,
3824    ) -> Task<Option<Vec<Hover>>> {
3825        let position = position.to_point_utf16(buffer.read(cx));
3826        self.lsp_store
3827            .update(cx, |lsp_store, cx| lsp_store.hover(buffer, position, cx))
3828    }
3829
3830    pub fn linked_edits(
3831        &self,
3832        buffer: &Entity<Buffer>,
3833        position: Anchor,
3834        cx: &mut Context<Self>,
3835    ) -> Task<Result<Vec<Range<Anchor>>>> {
3836        self.lsp_store.update(cx, |lsp_store, cx| {
3837            lsp_store.linked_edits(buffer, position, cx)
3838        })
3839    }
3840
3841    pub fn completions<T: ToOffset + ToPointUtf16>(
3842        &self,
3843        buffer: &Entity<Buffer>,
3844        position: T,
3845        context: CompletionContext,
3846        cx: &mut Context<Self>,
3847    ) -> Task<Result<Vec<CompletionResponse>>> {
3848        let position = position.to_point_utf16(buffer.read(cx));
3849        self.lsp_store.update(cx, |lsp_store, cx| {
3850            lsp_store.completions(buffer, position, context, cx)
3851        })
3852    }
3853
3854    pub fn code_actions<T: Clone + ToOffset>(
3855        &mut self,
3856        buffer_handle: &Entity<Buffer>,
3857        range: Range<T>,
3858        kinds: Option<Vec<CodeActionKind>>,
3859        cx: &mut Context<Self>,
3860    ) -> Task<Result<Option<Vec<CodeAction>>>> {
3861        let buffer = buffer_handle.read(cx);
3862        let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
3863        self.lsp_store.update(cx, |lsp_store, cx| {
3864            lsp_store.code_actions(buffer_handle, range, kinds, cx)
3865        })
3866    }
3867
3868    pub fn code_lens_actions<T: Clone + ToOffset>(
3869        &mut self,
3870        buffer: &Entity<Buffer>,
3871        range: Range<T>,
3872        cx: &mut Context<Self>,
3873    ) -> Task<Result<Option<Vec<CodeAction>>>> {
3874        let snapshot = buffer.read(cx).snapshot();
3875        let range = range.to_point(&snapshot);
3876        let range_start = snapshot.anchor_before(range.start);
3877        let range_end = if range.start == range.end {
3878            range_start
3879        } else {
3880            snapshot.anchor_after(range.end)
3881        };
3882        let range = range_start..range_end;
3883        let code_lens_actions = self
3884            .lsp_store
3885            .update(cx, |lsp_store, cx| lsp_store.code_lens_actions(buffer, cx));
3886
3887        cx.background_spawn(async move {
3888            let mut code_lens_actions = code_lens_actions
3889                .await
3890                .map_err(|e| anyhow!("code lens fetch failed: {e:#}"))?;
3891            if let Some(code_lens_actions) = &mut code_lens_actions {
3892                code_lens_actions.retain(|code_lens_action| {
3893                    range
3894                        .start
3895                        .cmp(&code_lens_action.range.start, &snapshot)
3896                        .is_ge()
3897                        && range
3898                            .end
3899                            .cmp(&code_lens_action.range.end, &snapshot)
3900                            .is_le()
3901                });
3902            }
3903            Ok(code_lens_actions)
3904        })
3905    }
3906
3907    pub fn apply_code_action(
3908        &self,
3909        buffer_handle: Entity<Buffer>,
3910        action: CodeAction,
3911        push_to_history: bool,
3912        cx: &mut Context<Self>,
3913    ) -> Task<Result<ProjectTransaction>> {
3914        self.lsp_store.update(cx, |lsp_store, cx| {
3915            lsp_store.apply_code_action(buffer_handle, action, push_to_history, cx)
3916        })
3917    }
3918
3919    pub fn apply_code_action_kind(
3920        &self,
3921        buffers: HashSet<Entity<Buffer>>,
3922        kind: CodeActionKind,
3923        push_to_history: bool,
3924        cx: &mut Context<Self>,
3925    ) -> Task<Result<ProjectTransaction>> {
3926        self.lsp_store.update(cx, |lsp_store, cx| {
3927            lsp_store.apply_code_action_kind(buffers, kind, push_to_history, cx)
3928        })
3929    }
3930
3931    pub fn prepare_rename<T: ToPointUtf16>(
3932        &mut self,
3933        buffer: Entity<Buffer>,
3934        position: T,
3935        cx: &mut Context<Self>,
3936    ) -> Task<Result<PrepareRenameResponse>> {
3937        let position = position.to_point_utf16(buffer.read(cx));
3938        self.request_lsp(
3939            buffer,
3940            LanguageServerToQuery::FirstCapable,
3941            PrepareRename { position },
3942            cx,
3943        )
3944    }
3945
3946    pub fn perform_rename<T: ToPointUtf16>(
3947        &mut self,
3948        buffer: Entity<Buffer>,
3949        position: T,
3950        new_name: String,
3951        cx: &mut Context<Self>,
3952    ) -> Task<Result<ProjectTransaction>> {
3953        let push_to_history = true;
3954        let position = position.to_point_utf16(buffer.read(cx));
3955        self.request_lsp(
3956            buffer,
3957            LanguageServerToQuery::FirstCapable,
3958            PerformRename {
3959                position,
3960                new_name,
3961                push_to_history,
3962            },
3963            cx,
3964        )
3965    }
3966
3967    pub fn on_type_format<T: ToPointUtf16>(
3968        &mut self,
3969        buffer: Entity<Buffer>,
3970        position: T,
3971        trigger: String,
3972        push_to_history: bool,
3973        cx: &mut Context<Self>,
3974    ) -> Task<Result<Option<Transaction>>> {
3975        self.lsp_store.update(cx, |lsp_store, cx| {
3976            lsp_store.on_type_format(buffer, position, trigger, push_to_history, cx)
3977        })
3978    }
3979
3980    pub fn inline_values(
3981        &mut self,
3982        session: Entity<Session>,
3983        active_stack_frame: ActiveStackFrame,
3984        buffer_handle: Entity<Buffer>,
3985        range: Range<text::Anchor>,
3986        cx: &mut Context<Self>,
3987    ) -> Task<anyhow::Result<Vec<InlayHint>>> {
3988        let snapshot = buffer_handle.read(cx).snapshot();
3989
3990        let captures = snapshot.debug_variables_query(Anchor::MIN..range.end);
3991
3992        let row = snapshot
3993            .summary_for_anchor::<text::PointUtf16>(&range.end)
3994            .row as usize;
3995
3996        let inline_value_locations = provide_inline_values(captures, &snapshot, row);
3997
3998        let stack_frame_id = active_stack_frame.stack_frame_id;
3999        cx.spawn(async move |this, cx| {
4000            this.update(cx, |project, cx| {
4001                project.dap_store().update(cx, |dap_store, cx| {
4002                    dap_store.resolve_inline_value_locations(
4003                        session,
4004                        stack_frame_id,
4005                        buffer_handle,
4006                        inline_value_locations,
4007                        cx,
4008                    )
4009                })
4010            })?
4011            .await
4012        })
4013    }
4014
4015    pub fn search(&mut self, query: SearchQuery, cx: &mut Context<Self>) -> Receiver<SearchResult> {
4016        let (result_tx, result_rx) = smol::channel::unbounded();
4017
4018        let matching_buffers_rx = if query.is_opened_only() {
4019            self.sort_search_candidates(&query, cx)
4020        } else {
4021            self.find_search_candidate_buffers(&query, MAX_SEARCH_RESULT_FILES + 1, cx)
4022        };
4023
4024        cx.spawn(async move |_, cx| {
4025            let mut range_count = 0;
4026            let mut buffer_count = 0;
4027            let mut limit_reached = false;
4028            let query = Arc::new(query);
4029            let chunks = matching_buffers_rx.ready_chunks(64);
4030
4031            // Now that we know what paths match the query, we will load at most
4032            // 64 buffers at a time to avoid overwhelming the main thread. For each
4033            // opened buffer, we will spawn a background task that retrieves all the
4034            // ranges in the buffer matched by the query.
4035            let mut chunks = pin!(chunks);
4036            'outer: while let Some(matching_buffer_chunk) = chunks.next().await {
4037                let mut chunk_results = Vec::with_capacity(matching_buffer_chunk.len());
4038                for buffer in matching_buffer_chunk {
4039                    let query = query.clone();
4040                    let snapshot = buffer.read_with(cx, |buffer, _| buffer.snapshot())?;
4041                    chunk_results.push(cx.background_spawn(async move {
4042                        let ranges = query
4043                            .search(&snapshot, None)
4044                            .await
4045                            .iter()
4046                            .map(|range| {
4047                                snapshot.anchor_before(range.start)
4048                                    ..snapshot.anchor_after(range.end)
4049                            })
4050                            .collect::<Vec<_>>();
4051                        anyhow::Ok((buffer, ranges))
4052                    }));
4053                }
4054
4055                let chunk_results = futures::future::join_all(chunk_results).await;
4056                for result in chunk_results {
4057                    if let Some((buffer, ranges)) = result.log_err() {
4058                        range_count += ranges.len();
4059                        buffer_count += 1;
4060                        result_tx
4061                            .send(SearchResult::Buffer { buffer, ranges })
4062                            .await?;
4063                        if buffer_count > MAX_SEARCH_RESULT_FILES
4064                            || range_count > MAX_SEARCH_RESULT_RANGES
4065                        {
4066                            limit_reached = true;
4067                            break 'outer;
4068                        }
4069                    }
4070                }
4071            }
4072
4073            if limit_reached {
4074                result_tx.send(SearchResult::LimitReached).await?;
4075            }
4076
4077            anyhow::Ok(())
4078        })
4079        .detach();
4080
4081        result_rx
4082    }
4083
4084    fn find_search_candidate_buffers(
4085        &mut self,
4086        query: &SearchQuery,
4087        limit: usize,
4088        cx: &mut Context<Project>,
4089    ) -> Receiver<Entity<Buffer>> {
4090        if self.is_local() {
4091            let fs = self.fs.clone();
4092            self.buffer_store.update(cx, |buffer_store, cx| {
4093                buffer_store.find_search_candidates(query, limit, fs, cx)
4094            })
4095        } else {
4096            self.find_search_candidates_remote(query, limit, cx)
4097        }
4098    }
4099
4100    fn sort_search_candidates(
4101        &mut self,
4102        search_query: &SearchQuery,
4103        cx: &mut Context<Project>,
4104    ) -> Receiver<Entity<Buffer>> {
4105        let worktree_store = self.worktree_store.read(cx);
4106        let mut buffers = search_query
4107            .buffers()
4108            .into_iter()
4109            .flatten()
4110            .filter(|buffer| {
4111                let b = buffer.read(cx);
4112                if let Some(file) = b.file() {
4113                    if !search_query.match_path(file.path().as_std_path()) {
4114                        return false;
4115                    }
4116                    if let Some(entry) = b
4117                        .entry_id(cx)
4118                        .and_then(|entry_id| worktree_store.entry_for_id(entry_id, cx))
4119                        && entry.is_ignored
4120                        && !search_query.include_ignored()
4121                    {
4122                        return false;
4123                    }
4124                }
4125                true
4126            })
4127            .collect::<Vec<_>>();
4128        let (tx, rx) = smol::channel::unbounded();
4129        buffers.sort_by(|a, b| match (a.read(cx).file(), b.read(cx).file()) {
4130            (None, None) => a.read(cx).remote_id().cmp(&b.read(cx).remote_id()),
4131            (None, Some(_)) => std::cmp::Ordering::Less,
4132            (Some(_), None) => std::cmp::Ordering::Greater,
4133            (Some(a), Some(b)) => compare_paths(
4134                (a.path().as_std_path(), true),
4135                (b.path().as_std_path(), true),
4136            ),
4137        });
4138        for buffer in buffers {
4139            tx.send_blocking(buffer.clone()).unwrap()
4140        }
4141
4142        rx
4143    }
4144
4145    fn find_search_candidates_remote(
4146        &mut self,
4147        query: &SearchQuery,
4148        limit: usize,
4149        cx: &mut Context<Project>,
4150    ) -> Receiver<Entity<Buffer>> {
4151        let (tx, rx) = smol::channel::unbounded();
4152
4153        let (client, remote_id): (AnyProtoClient, _) = if let Some(ssh_client) = &self.remote_client
4154        {
4155            (ssh_client.read(cx).proto_client(), 0)
4156        } else if let Some(remote_id) = self.remote_id() {
4157            (self.collab_client.clone().into(), remote_id)
4158        } else {
4159            return rx;
4160        };
4161
4162        let request = client.request(proto::FindSearchCandidates {
4163            project_id: remote_id,
4164            query: Some(query.to_proto()),
4165            limit: limit as _,
4166        });
4167        let guard = self.retain_remotely_created_models(cx);
4168
4169        cx.spawn(async move |project, cx| {
4170            let response = request.await?;
4171            for buffer_id in response.buffer_ids {
4172                let buffer_id = BufferId::new(buffer_id)?;
4173                let buffer = project
4174                    .update(cx, |project, cx| {
4175                        project.buffer_store.update(cx, |buffer_store, cx| {
4176                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
4177                        })
4178                    })?
4179                    .await?;
4180                let _ = tx.send(buffer).await;
4181            }
4182
4183            drop(guard);
4184            anyhow::Ok(())
4185        })
4186        .detach_and_log_err(cx);
4187        rx
4188    }
4189
4190    pub fn request_lsp<R: LspCommand>(
4191        &mut self,
4192        buffer_handle: Entity<Buffer>,
4193        server: LanguageServerToQuery,
4194        request: R,
4195        cx: &mut Context<Self>,
4196    ) -> Task<Result<R::Response>>
4197    where
4198        <R::LspRequest as lsp::request::Request>::Result: Send,
4199        <R::LspRequest as lsp::request::Request>::Params: Send,
4200    {
4201        let guard = self.retain_remotely_created_models(cx);
4202        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4203            lsp_store.request_lsp(buffer_handle, server, request, cx)
4204        });
4205        cx.background_spawn(async move {
4206            let result = task.await;
4207            drop(guard);
4208            result
4209        })
4210    }
4211
4212    /// Move a worktree to a new position in the worktree order.
4213    ///
4214    /// The worktree will moved to the opposite side of the destination worktree.
4215    ///
4216    /// # Example
4217    ///
4218    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `33`,
4219    /// worktree_order will be updated to produce the indexes `[11, 33, 22]`.
4220    ///
4221    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `11`,
4222    /// worktree_order will be updated to produce the indexes `[22, 11, 33]`.
4223    ///
4224    /// # Errors
4225    ///
4226    /// An error will be returned if the worktree or destination worktree are not found.
4227    pub fn move_worktree(
4228        &mut self,
4229        source: WorktreeId,
4230        destination: WorktreeId,
4231        cx: &mut Context<Self>,
4232    ) -> Result<()> {
4233        self.worktree_store.update(cx, |worktree_store, cx| {
4234            worktree_store.move_worktree(source, destination, cx)
4235        })
4236    }
4237
4238    pub fn find_or_create_worktree(
4239        &mut self,
4240        abs_path: impl AsRef<Path>,
4241        visible: bool,
4242        cx: &mut Context<Self>,
4243    ) -> Task<Result<(Entity<Worktree>, Arc<RelPath>)>> {
4244        self.worktree_store.update(cx, |worktree_store, cx| {
4245            worktree_store.find_or_create_worktree(abs_path, visible, cx)
4246        })
4247    }
4248
4249    pub fn find_worktree(
4250        &self,
4251        abs_path: &Path,
4252        cx: &App,
4253    ) -> Option<(Entity<Worktree>, Arc<RelPath>)> {
4254        self.worktree_store.read(cx).find_worktree(abs_path, cx)
4255    }
4256
4257    pub fn is_shared(&self) -> bool {
4258        match &self.client_state {
4259            ProjectClientState::Shared { .. } => true,
4260            ProjectClientState::Local => false,
4261            ProjectClientState::Remote { .. } => true,
4262        }
4263    }
4264
4265    /// Returns the resolved version of `path`, that was found in `buffer`, if it exists.
4266    pub fn resolve_path_in_buffer(
4267        &self,
4268        path: &str,
4269        buffer: &Entity<Buffer>,
4270        cx: &mut Context<Self>,
4271    ) -> Task<Option<ResolvedPath>> {
4272        if util::paths::is_absolute(path, self.path_style(cx)) || path.starts_with("~") {
4273            self.resolve_abs_path(path, cx)
4274        } else {
4275            self.resolve_path_in_worktrees(path, buffer, cx)
4276        }
4277    }
4278
4279    pub fn resolve_abs_file_path(
4280        &self,
4281        path: &str,
4282        cx: &mut Context<Self>,
4283    ) -> Task<Option<ResolvedPath>> {
4284        let resolve_task = self.resolve_abs_path(path, cx);
4285        cx.background_spawn(async move {
4286            let resolved_path = resolve_task.await;
4287            resolved_path.filter(|path| path.is_file())
4288        })
4289    }
4290
4291    pub fn resolve_abs_path(&self, path: &str, cx: &App) -> Task<Option<ResolvedPath>> {
4292        if self.is_local() {
4293            let expanded = PathBuf::from(shellexpand::tilde(&path).into_owned());
4294            let fs = self.fs.clone();
4295            cx.background_spawn(async move {
4296                let metadata = fs.metadata(&expanded).await.ok().flatten();
4297
4298                metadata.map(|metadata| ResolvedPath::AbsPath {
4299                    path: expanded.to_string_lossy().into_owned(),
4300                    is_dir: metadata.is_dir,
4301                })
4302            })
4303        } else if let Some(ssh_client) = self.remote_client.as_ref() {
4304            let request = ssh_client
4305                .read(cx)
4306                .proto_client()
4307                .request(proto::GetPathMetadata {
4308                    project_id: REMOTE_SERVER_PROJECT_ID,
4309                    path: path.into(),
4310                });
4311            cx.background_spawn(async move {
4312                let response = request.await.log_err()?;
4313                if response.exists {
4314                    Some(ResolvedPath::AbsPath {
4315                        path: response.path,
4316                        is_dir: response.is_dir,
4317                    })
4318                } else {
4319                    None
4320                }
4321            })
4322        } else {
4323            Task::ready(None)
4324        }
4325    }
4326
4327    fn resolve_path_in_worktrees(
4328        &self,
4329        path: &str,
4330        buffer: &Entity<Buffer>,
4331        cx: &mut Context<Self>,
4332    ) -> Task<Option<ResolvedPath>> {
4333        let mut candidates = vec![];
4334        let path_style = self.path_style(cx);
4335        if let Ok(path) = RelPath::new(path.as_ref(), path_style) {
4336            candidates.push(path.into_arc());
4337        }
4338
4339        if let Some(file) = buffer.read(cx).file()
4340            && let Some(dir) = file.path().parent()
4341        {
4342            if let Some(joined) = path_style.join(&*dir.display(path_style), path)
4343                && let Some(joined) = RelPath::new(joined.as_ref(), path_style).ok()
4344            {
4345                candidates.push(joined.into_arc());
4346            }
4347        }
4348
4349        let buffer_worktree_id = buffer.read(cx).file().map(|file| file.worktree_id(cx));
4350        let worktrees_with_ids: Vec<_> = self
4351            .worktrees(cx)
4352            .map(|worktree| {
4353                let id = worktree.read(cx).id();
4354                (worktree, id)
4355            })
4356            .collect();
4357
4358        cx.spawn(async move |_, cx| {
4359            if let Some(buffer_worktree_id) = buffer_worktree_id
4360                && let Some((worktree, _)) = worktrees_with_ids
4361                    .iter()
4362                    .find(|(_, id)| *id == buffer_worktree_id)
4363            {
4364                for candidate in candidates.iter() {
4365                    if let Some(path) = Self::resolve_path_in_worktree(worktree, candidate, cx) {
4366                        return Some(path);
4367                    }
4368                }
4369            }
4370            for (worktree, id) in worktrees_with_ids {
4371                if Some(id) == buffer_worktree_id {
4372                    continue;
4373                }
4374                for candidate in candidates.iter() {
4375                    if let Some(path) = Self::resolve_path_in_worktree(&worktree, candidate, cx) {
4376                        return Some(path);
4377                    }
4378                }
4379            }
4380            None
4381        })
4382    }
4383
4384    fn resolve_path_in_worktree(
4385        worktree: &Entity<Worktree>,
4386        path: &RelPath,
4387        cx: &mut AsyncApp,
4388    ) -> Option<ResolvedPath> {
4389        worktree
4390            .read_with(cx, |worktree, _| {
4391                worktree.entry_for_path(path).map(|entry| {
4392                    let project_path = ProjectPath {
4393                        worktree_id: worktree.id(),
4394                        path: entry.path.clone(),
4395                    };
4396                    ResolvedPath::ProjectPath {
4397                        project_path,
4398                        is_dir: entry.is_dir(),
4399                    }
4400                })
4401            })
4402            .ok()?
4403    }
4404
4405    pub fn list_directory(
4406        &self,
4407        query: String,
4408        cx: &mut Context<Self>,
4409    ) -> Task<Result<Vec<DirectoryItem>>> {
4410        if self.is_local() {
4411            DirectoryLister::Local(cx.entity(), self.fs.clone()).list_directory(query, cx)
4412        } else if let Some(session) = self.remote_client.as_ref() {
4413            let request = proto::ListRemoteDirectory {
4414                dev_server_id: REMOTE_SERVER_PROJECT_ID,
4415                path: query,
4416                config: Some(proto::ListRemoteDirectoryConfig { is_dir: true }),
4417            };
4418
4419            let response = session.read(cx).proto_client().request(request);
4420            cx.background_spawn(async move {
4421                let proto::ListRemoteDirectoryResponse {
4422                    entries,
4423                    entry_info,
4424                } = response.await?;
4425                Ok(entries
4426                    .into_iter()
4427                    .zip(entry_info)
4428                    .map(|(entry, info)| DirectoryItem {
4429                        path: PathBuf::from(entry),
4430                        is_dir: info.is_dir,
4431                    })
4432                    .collect())
4433            })
4434        } else {
4435            Task::ready(Err(anyhow!("cannot list directory in remote project")))
4436        }
4437    }
4438
4439    pub fn create_worktree(
4440        &mut self,
4441        abs_path: impl AsRef<Path>,
4442        visible: bool,
4443        cx: &mut Context<Self>,
4444    ) -> Task<Result<Entity<Worktree>>> {
4445        self.worktree_store.update(cx, |worktree_store, cx| {
4446            worktree_store.create_worktree(abs_path, visible, cx)
4447        })
4448    }
4449
4450    pub fn remove_worktree(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
4451        self.worktree_store.update(cx, |worktree_store, cx| {
4452            worktree_store.remove_worktree(id_to_remove, cx);
4453        });
4454    }
4455
4456    fn add_worktree(&mut self, worktree: &Entity<Worktree>, cx: &mut Context<Self>) {
4457        self.worktree_store.update(cx, |worktree_store, cx| {
4458            worktree_store.add(worktree, cx);
4459        });
4460    }
4461
4462    pub fn set_active_path(&mut self, entry: Option<ProjectPath>, cx: &mut Context<Self>) {
4463        let new_active_entry = entry.and_then(|project_path| {
4464            let worktree = self.worktree_for_id(project_path.worktree_id, cx)?;
4465            let entry = worktree.read(cx).entry_for_path(&project_path.path)?;
4466            Some(entry.id)
4467        });
4468        if new_active_entry != self.active_entry {
4469            self.active_entry = new_active_entry;
4470            self.lsp_store.update(cx, |lsp_store, _| {
4471                lsp_store.set_active_entry(new_active_entry);
4472            });
4473            cx.emit(Event::ActiveEntryChanged(new_active_entry));
4474        }
4475    }
4476
4477    pub fn language_servers_running_disk_based_diagnostics<'a>(
4478        &'a self,
4479        cx: &'a App,
4480    ) -> impl Iterator<Item = LanguageServerId> + 'a {
4481        self.lsp_store
4482            .read(cx)
4483            .language_servers_running_disk_based_diagnostics()
4484    }
4485
4486    pub fn diagnostic_summary(&self, include_ignored: bool, cx: &App) -> DiagnosticSummary {
4487        self.lsp_store
4488            .read(cx)
4489            .diagnostic_summary(include_ignored, cx)
4490    }
4491
4492    /// Returns a summary of the diagnostics for the provided project path only.
4493    pub fn diagnostic_summary_for_path(&self, path: &ProjectPath, cx: &App) -> DiagnosticSummary {
4494        self.lsp_store
4495            .read(cx)
4496            .diagnostic_summary_for_path(path, cx)
4497    }
4498
4499    pub fn diagnostic_summaries<'a>(
4500        &'a self,
4501        include_ignored: bool,
4502        cx: &'a App,
4503    ) -> impl Iterator<Item = (ProjectPath, LanguageServerId, DiagnosticSummary)> + 'a {
4504        self.lsp_store
4505            .read(cx)
4506            .diagnostic_summaries(include_ignored, cx)
4507    }
4508
4509    pub fn active_entry(&self) -> Option<ProjectEntryId> {
4510        self.active_entry
4511    }
4512
4513    pub fn entry_for_path<'a>(&'a self, path: &ProjectPath, cx: &'a App) -> Option<&'a Entry> {
4514        self.worktree_store.read(cx).entry_for_path(path, cx)
4515    }
4516
4517    pub fn path_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<ProjectPath> {
4518        let worktree = self.worktree_for_entry(entry_id, cx)?;
4519        let worktree = worktree.read(cx);
4520        let worktree_id = worktree.id();
4521        let path = worktree.entry_for_id(entry_id)?.path.clone();
4522        Some(ProjectPath { worktree_id, path })
4523    }
4524
4525    pub fn absolute_path(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4526        Some(
4527            self.worktree_for_id(project_path.worktree_id, cx)?
4528                .read(cx)
4529                .absolutize(&project_path.path),
4530        )
4531    }
4532
4533    /// Attempts to find a `ProjectPath` corresponding to the given path. If the path
4534    /// is a *full path*, meaning it starts with the root name of a worktree, we'll locate
4535    /// it in that worktree. Otherwise, we'll attempt to find it as a relative path in
4536    /// the first visible worktree that has an entry for that relative path.
4537    ///
4538    /// We use this to resolve edit steps, when there's a chance an LLM may omit the workree
4539    /// root name from paths.
4540    ///
4541    /// # Arguments
4542    ///
4543    /// * `path` - An absolute path, or a full path that starts with a worktree root name, or a
4544    ///   relative path within a visible worktree.
4545    /// * `cx` - A reference to the `AppContext`.
4546    ///
4547    /// # Returns
4548    ///
4549    /// Returns `Some(ProjectPath)` if a matching worktree is found, otherwise `None`.
4550    pub fn find_project_path(&self, path: impl AsRef<Path>, cx: &App) -> Option<ProjectPath> {
4551        let path_style = self.path_style(cx);
4552        let path = path.as_ref();
4553        let worktree_store = self.worktree_store.read(cx);
4554
4555        if is_absolute(&path.to_string_lossy(), path_style) {
4556            for worktree in worktree_store.visible_worktrees(cx) {
4557                let worktree_abs_path = worktree.read(cx).abs_path();
4558
4559                if let Ok(relative_path) = path.strip_prefix(worktree_abs_path)
4560                    && let Ok(path) = RelPath::new(relative_path, path_style)
4561                {
4562                    return Some(ProjectPath {
4563                        worktree_id: worktree.read(cx).id(),
4564                        path: path.into_arc(),
4565                    });
4566                }
4567            }
4568        } else {
4569            for worktree in worktree_store.visible_worktrees(cx) {
4570                let worktree_root_name = worktree.read(cx).root_name();
4571                if let Ok(relative_path) = path.strip_prefix(worktree_root_name.as_std_path())
4572                    && let Ok(path) = RelPath::new(relative_path, path_style)
4573                {
4574                    return Some(ProjectPath {
4575                        worktree_id: worktree.read(cx).id(),
4576                        path: path.into_arc(),
4577                    });
4578                }
4579            }
4580
4581            for worktree in worktree_store.visible_worktrees(cx) {
4582                let worktree = worktree.read(cx);
4583                if let Ok(path) = RelPath::new(path, path_style)
4584                    && let Some(entry) = worktree.entry_for_path(&path)
4585                {
4586                    return Some(ProjectPath {
4587                        worktree_id: worktree.id(),
4588                        path: entry.path.clone(),
4589                    });
4590                }
4591            }
4592        }
4593
4594        None
4595    }
4596
4597    /// If there's only one visible worktree, returns the given worktree-relative path with no prefix.
4598    ///
4599    /// Otherwise, returns the full path for the project path (obtained by prefixing the worktree-relative path with the name of the worktree).
4600    pub fn short_full_path_for_project_path(
4601        &self,
4602        project_path: &ProjectPath,
4603        cx: &App,
4604    ) -> Option<String> {
4605        let path_style = self.path_style(cx);
4606        if self.visible_worktrees(cx).take(2).count() < 2 {
4607            return Some(project_path.path.display(path_style).to_string());
4608        }
4609        self.worktree_for_id(project_path.worktree_id, cx)
4610            .map(|worktree| {
4611                let worktree_name = worktree.read(cx).root_name();
4612                worktree_name
4613                    .join(&project_path.path)
4614                    .display(path_style)
4615                    .to_string()
4616            })
4617    }
4618
4619    pub fn project_path_for_absolute_path(&self, abs_path: &Path, cx: &App) -> Option<ProjectPath> {
4620        self.find_worktree(abs_path, cx)
4621            .map(|(worktree, relative_path)| ProjectPath {
4622                worktree_id: worktree.read(cx).id(),
4623                path: relative_path,
4624            })
4625    }
4626
4627    pub fn get_workspace_root(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4628        Some(
4629            self.worktree_for_id(project_path.worktree_id, cx)?
4630                .read(cx)
4631                .abs_path()
4632                .to_path_buf(),
4633        )
4634    }
4635
4636    pub fn blame_buffer(
4637        &self,
4638        buffer: &Entity<Buffer>,
4639        version: Option<clock::Global>,
4640        cx: &mut App,
4641    ) -> Task<Result<Option<Blame>>> {
4642        self.git_store.update(cx, |git_store, cx| {
4643            git_store.blame_buffer(buffer, version, cx)
4644        })
4645    }
4646
4647    pub fn get_permalink_to_line(
4648        &self,
4649        buffer: &Entity<Buffer>,
4650        selection: Range<u32>,
4651        cx: &mut App,
4652    ) -> Task<Result<url::Url>> {
4653        self.git_store.update(cx, |git_store, cx| {
4654            git_store.get_permalink_to_line(buffer, selection, cx)
4655        })
4656    }
4657
4658    // RPC message handlers
4659
4660    async fn handle_unshare_project(
4661        this: Entity<Self>,
4662        _: TypedEnvelope<proto::UnshareProject>,
4663        mut cx: AsyncApp,
4664    ) -> Result<()> {
4665        this.update(&mut cx, |this, cx| {
4666            if this.is_local() || this.is_via_remote_server() {
4667                this.unshare(cx)?;
4668            } else {
4669                this.disconnected_from_host(cx);
4670            }
4671            Ok(())
4672        })?
4673    }
4674
4675    async fn handle_add_collaborator(
4676        this: Entity<Self>,
4677        mut envelope: TypedEnvelope<proto::AddProjectCollaborator>,
4678        mut cx: AsyncApp,
4679    ) -> Result<()> {
4680        let collaborator = envelope
4681            .payload
4682            .collaborator
4683            .take()
4684            .context("empty collaborator")?;
4685
4686        let collaborator = Collaborator::from_proto(collaborator)?;
4687        this.update(&mut cx, |this, cx| {
4688            this.buffer_store.update(cx, |buffer_store, _| {
4689                buffer_store.forget_shared_buffers_for(&collaborator.peer_id);
4690            });
4691            this.breakpoint_store.read(cx).broadcast();
4692            cx.emit(Event::CollaboratorJoined(collaborator.peer_id));
4693            this.collaborators
4694                .insert(collaborator.peer_id, collaborator);
4695        })?;
4696
4697        Ok(())
4698    }
4699
4700    async fn handle_update_project_collaborator(
4701        this: Entity<Self>,
4702        envelope: TypedEnvelope<proto::UpdateProjectCollaborator>,
4703        mut cx: AsyncApp,
4704    ) -> Result<()> {
4705        let old_peer_id = envelope
4706            .payload
4707            .old_peer_id
4708            .context("missing old peer id")?;
4709        let new_peer_id = envelope
4710            .payload
4711            .new_peer_id
4712            .context("missing new peer id")?;
4713        this.update(&mut cx, |this, cx| {
4714            let collaborator = this
4715                .collaborators
4716                .remove(&old_peer_id)
4717                .context("received UpdateProjectCollaborator for unknown peer")?;
4718            let is_host = collaborator.is_host;
4719            this.collaborators.insert(new_peer_id, collaborator);
4720
4721            log::info!("peer {} became {}", old_peer_id, new_peer_id,);
4722            this.buffer_store.update(cx, |buffer_store, _| {
4723                buffer_store.update_peer_id(&old_peer_id, new_peer_id)
4724            });
4725
4726            if is_host {
4727                this.buffer_store
4728                    .update(cx, |buffer_store, _| buffer_store.discard_incomplete());
4729                this.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
4730                    .unwrap();
4731                cx.emit(Event::HostReshared);
4732            }
4733
4734            cx.emit(Event::CollaboratorUpdated {
4735                old_peer_id,
4736                new_peer_id,
4737            });
4738            Ok(())
4739        })?
4740    }
4741
4742    async fn handle_remove_collaborator(
4743        this: Entity<Self>,
4744        envelope: TypedEnvelope<proto::RemoveProjectCollaborator>,
4745        mut cx: AsyncApp,
4746    ) -> Result<()> {
4747        this.update(&mut cx, |this, cx| {
4748            let peer_id = envelope.payload.peer_id.context("invalid peer id")?;
4749            let replica_id = this
4750                .collaborators
4751                .remove(&peer_id)
4752                .with_context(|| format!("unknown peer {peer_id:?}"))?
4753                .replica_id;
4754            this.buffer_store.update(cx, |buffer_store, cx| {
4755                buffer_store.forget_shared_buffers_for(&peer_id);
4756                for buffer in buffer_store.buffers() {
4757                    buffer.update(cx, |buffer, cx| buffer.remove_peer(replica_id, cx));
4758                }
4759            });
4760            this.git_store.update(cx, |git_store, _| {
4761                git_store.forget_shared_diffs_for(&peer_id);
4762            });
4763
4764            cx.emit(Event::CollaboratorLeft(peer_id));
4765            Ok(())
4766        })?
4767    }
4768
4769    async fn handle_update_project(
4770        this: Entity<Self>,
4771        envelope: TypedEnvelope<proto::UpdateProject>,
4772        mut cx: AsyncApp,
4773    ) -> Result<()> {
4774        this.update(&mut cx, |this, cx| {
4775            // Don't handle messages that were sent before the response to us joining the project
4776            if envelope.message_id > this.join_project_response_message_id {
4777                this.set_worktrees_from_proto(envelope.payload.worktrees, cx)?;
4778            }
4779            Ok(())
4780        })?
4781    }
4782
4783    async fn handle_toast(
4784        this: Entity<Self>,
4785        envelope: TypedEnvelope<proto::Toast>,
4786        mut cx: AsyncApp,
4787    ) -> Result<()> {
4788        this.update(&mut cx, |_, cx| {
4789            cx.emit(Event::Toast {
4790                notification_id: envelope.payload.notification_id.into(),
4791                message: envelope.payload.message,
4792            });
4793            Ok(())
4794        })?
4795    }
4796
4797    async fn handle_language_server_prompt_request(
4798        this: Entity<Self>,
4799        envelope: TypedEnvelope<proto::LanguageServerPromptRequest>,
4800        mut cx: AsyncApp,
4801    ) -> Result<proto::LanguageServerPromptResponse> {
4802        let (tx, rx) = smol::channel::bounded(1);
4803        let actions: Vec<_> = envelope
4804            .payload
4805            .actions
4806            .into_iter()
4807            .map(|action| MessageActionItem {
4808                title: action,
4809                properties: Default::default(),
4810            })
4811            .collect();
4812        this.update(&mut cx, |_, cx| {
4813            cx.emit(Event::LanguageServerPrompt(LanguageServerPromptRequest {
4814                level: proto_to_prompt(envelope.payload.level.context("Invalid prompt level")?),
4815                message: envelope.payload.message,
4816                actions: actions.clone(),
4817                lsp_name: envelope.payload.lsp_name,
4818                response_channel: tx,
4819            }));
4820
4821            anyhow::Ok(())
4822        })??;
4823
4824        // We drop `this` to avoid holding a reference in this future for too
4825        // long.
4826        // If we keep the reference, we might not drop the `Project` early
4827        // enough when closing a window and it will only get releases on the
4828        // next `flush_effects()` call.
4829        drop(this);
4830
4831        let mut rx = pin!(rx);
4832        let answer = rx.next().await;
4833
4834        Ok(LanguageServerPromptResponse {
4835            action_response: answer.and_then(|answer| {
4836                actions
4837                    .iter()
4838                    .position(|action| *action == answer)
4839                    .map(|index| index as u64)
4840            }),
4841        })
4842    }
4843
4844    async fn handle_hide_toast(
4845        this: Entity<Self>,
4846        envelope: TypedEnvelope<proto::HideToast>,
4847        mut cx: AsyncApp,
4848    ) -> Result<()> {
4849        this.update(&mut cx, |_, cx| {
4850            cx.emit(Event::HideToast {
4851                notification_id: envelope.payload.notification_id.into(),
4852            });
4853            Ok(())
4854        })?
4855    }
4856
4857    // Collab sends UpdateWorktree protos as messages
4858    async fn handle_update_worktree(
4859        this: Entity<Self>,
4860        envelope: TypedEnvelope<proto::UpdateWorktree>,
4861        mut cx: AsyncApp,
4862    ) -> Result<()> {
4863        this.update(&mut cx, |this, cx| {
4864            let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
4865            if let Some(worktree) = this.worktree_for_id(worktree_id, cx) {
4866                worktree.update(cx, |worktree, _| {
4867                    let worktree = worktree.as_remote_mut().unwrap();
4868                    worktree.update_from_remote(envelope.payload);
4869                });
4870            }
4871            Ok(())
4872        })?
4873    }
4874
4875    async fn handle_update_buffer_from_remote_server(
4876        this: Entity<Self>,
4877        envelope: TypedEnvelope<proto::UpdateBuffer>,
4878        cx: AsyncApp,
4879    ) -> Result<proto::Ack> {
4880        let buffer_store = this.read_with(&cx, |this, cx| {
4881            if let Some(remote_id) = this.remote_id() {
4882                let mut payload = envelope.payload.clone();
4883                payload.project_id = remote_id;
4884                cx.background_spawn(this.collab_client.request(payload))
4885                    .detach_and_log_err(cx);
4886            }
4887            this.buffer_store.clone()
4888        })?;
4889        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
4890    }
4891
4892    async fn handle_update_buffer(
4893        this: Entity<Self>,
4894        envelope: TypedEnvelope<proto::UpdateBuffer>,
4895        cx: AsyncApp,
4896    ) -> Result<proto::Ack> {
4897        let buffer_store = this.read_with(&cx, |this, cx| {
4898            if let Some(ssh) = &this.remote_client {
4899                let mut payload = envelope.payload.clone();
4900                payload.project_id = REMOTE_SERVER_PROJECT_ID;
4901                cx.background_spawn(ssh.read(cx).proto_client().request(payload))
4902                    .detach_and_log_err(cx);
4903            }
4904            this.buffer_store.clone()
4905        })?;
4906        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
4907    }
4908
4909    fn retain_remotely_created_models(
4910        &mut self,
4911        cx: &mut Context<Self>,
4912    ) -> RemotelyCreatedModelGuard {
4913        {
4914            let mut remotely_create_models = self.remotely_created_models.lock();
4915            if remotely_create_models.retain_count == 0 {
4916                remotely_create_models.buffers = self.buffer_store.read(cx).buffers().collect();
4917                remotely_create_models.worktrees =
4918                    self.worktree_store.read(cx).worktrees().collect();
4919            }
4920            remotely_create_models.retain_count += 1;
4921        }
4922        RemotelyCreatedModelGuard {
4923            remote_models: Arc::downgrade(&self.remotely_created_models),
4924        }
4925    }
4926
4927    async fn handle_create_buffer_for_peer(
4928        this: Entity<Self>,
4929        envelope: TypedEnvelope<proto::CreateBufferForPeer>,
4930        mut cx: AsyncApp,
4931    ) -> Result<()> {
4932        this.update(&mut cx, |this, cx| {
4933            this.buffer_store.update(cx, |buffer_store, cx| {
4934                buffer_store.handle_create_buffer_for_peer(
4935                    envelope,
4936                    this.replica_id(),
4937                    this.capability(),
4938                    cx,
4939                )
4940            })
4941        })?
4942    }
4943
4944    async fn handle_toggle_lsp_logs(
4945        project: Entity<Self>,
4946        envelope: TypedEnvelope<proto::ToggleLspLogs>,
4947        mut cx: AsyncApp,
4948    ) -> Result<()> {
4949        let toggled_log_kind =
4950            match proto::toggle_lsp_logs::LogType::from_i32(envelope.payload.log_type)
4951                .context("invalid log type")?
4952            {
4953                proto::toggle_lsp_logs::LogType::Log => LogKind::Logs,
4954                proto::toggle_lsp_logs::LogType::Trace => LogKind::Trace,
4955                proto::toggle_lsp_logs::LogType::Rpc => LogKind::Rpc,
4956            };
4957        project.update(&mut cx, |_, cx| {
4958            cx.emit(Event::ToggleLspLogs {
4959                server_id: LanguageServerId::from_proto(envelope.payload.server_id),
4960                enabled: envelope.payload.enabled,
4961                toggled_log_kind,
4962            })
4963        })?;
4964        Ok(())
4965    }
4966
4967    async fn handle_synchronize_buffers(
4968        this: Entity<Self>,
4969        envelope: TypedEnvelope<proto::SynchronizeBuffers>,
4970        mut cx: AsyncApp,
4971    ) -> Result<proto::SynchronizeBuffersResponse> {
4972        let response = this.update(&mut cx, |this, cx| {
4973            let client = this.collab_client.clone();
4974            this.buffer_store.update(cx, |this, cx| {
4975                this.handle_synchronize_buffers(envelope, cx, client)
4976            })
4977        })??;
4978
4979        Ok(response)
4980    }
4981
4982    async fn handle_search_candidate_buffers(
4983        this: Entity<Self>,
4984        envelope: TypedEnvelope<proto::FindSearchCandidates>,
4985        mut cx: AsyncApp,
4986    ) -> Result<proto::FindSearchCandidatesResponse> {
4987        let peer_id = envelope.original_sender_id()?;
4988        let message = envelope.payload;
4989        let path_style = this.read_with(&cx, |this, cx| this.path_style(cx))?;
4990        let query =
4991            SearchQuery::from_proto(message.query.context("missing query field")?, path_style)?;
4992        let results = this.update(&mut cx, |this, cx| {
4993            this.find_search_candidate_buffers(&query, message.limit as _, cx)
4994        })?;
4995
4996        let mut response = proto::FindSearchCandidatesResponse {
4997            buffer_ids: Vec::new(),
4998        };
4999
5000        while let Ok(buffer) = results.recv().await {
5001            this.update(&mut cx, |this, cx| {
5002                let buffer_id = this.create_buffer_for_peer(&buffer, peer_id, cx);
5003                response.buffer_ids.push(buffer_id.to_proto());
5004            })?;
5005        }
5006
5007        Ok(response)
5008    }
5009
5010    async fn handle_open_buffer_by_id(
5011        this: Entity<Self>,
5012        envelope: TypedEnvelope<proto::OpenBufferById>,
5013        mut cx: AsyncApp,
5014    ) -> Result<proto::OpenBufferResponse> {
5015        let peer_id = envelope.original_sender_id()?;
5016        let buffer_id = BufferId::new(envelope.payload.id)?;
5017        let buffer = this
5018            .update(&mut cx, |this, cx| this.open_buffer_by_id(buffer_id, cx))?
5019            .await?;
5020        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
5021    }
5022
5023    async fn handle_open_buffer_by_path(
5024        this: Entity<Self>,
5025        envelope: TypedEnvelope<proto::OpenBufferByPath>,
5026        mut cx: AsyncApp,
5027    ) -> Result<proto::OpenBufferResponse> {
5028        let peer_id = envelope.original_sender_id()?;
5029        let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
5030        let path = RelPath::from_proto(&envelope.payload.path)?;
5031        let open_buffer = this
5032            .update(&mut cx, |this, cx| {
5033                this.open_buffer(ProjectPath { worktree_id, path }, cx)
5034            })?
5035            .await?;
5036        Project::respond_to_open_buffer_request(this, open_buffer, peer_id, &mut cx)
5037    }
5038
5039    async fn handle_open_new_buffer(
5040        this: Entity<Self>,
5041        envelope: TypedEnvelope<proto::OpenNewBuffer>,
5042        mut cx: AsyncApp,
5043    ) -> Result<proto::OpenBufferResponse> {
5044        let buffer = this
5045            .update(&mut cx, |this, cx| this.create_buffer(true, cx))?
5046            .await?;
5047        let peer_id = envelope.original_sender_id()?;
5048
5049        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
5050    }
5051
5052    fn respond_to_open_buffer_request(
5053        this: Entity<Self>,
5054        buffer: Entity<Buffer>,
5055        peer_id: proto::PeerId,
5056        cx: &mut AsyncApp,
5057    ) -> Result<proto::OpenBufferResponse> {
5058        this.update(cx, |this, cx| {
5059            let is_private = buffer
5060                .read(cx)
5061                .file()
5062                .map(|f| f.is_private())
5063                .unwrap_or_default();
5064            anyhow::ensure!(!is_private, ErrorCode::UnsharedItem);
5065            Ok(proto::OpenBufferResponse {
5066                buffer_id: this.create_buffer_for_peer(&buffer, peer_id, cx).into(),
5067            })
5068        })?
5069    }
5070
5071    fn create_buffer_for_peer(
5072        &mut self,
5073        buffer: &Entity<Buffer>,
5074        peer_id: proto::PeerId,
5075        cx: &mut App,
5076    ) -> BufferId {
5077        self.buffer_store
5078            .update(cx, |buffer_store, cx| {
5079                buffer_store.create_buffer_for_peer(buffer, peer_id, cx)
5080            })
5081            .detach_and_log_err(cx);
5082        buffer.read(cx).remote_id()
5083    }
5084
5085    fn synchronize_remote_buffers(&mut self, cx: &mut Context<Self>) -> Task<Result<()>> {
5086        let project_id = match self.client_state {
5087            ProjectClientState::Remote {
5088                sharing_has_stopped,
5089                remote_id,
5090                ..
5091            } => {
5092                if sharing_has_stopped {
5093                    return Task::ready(Err(anyhow!(
5094                        "can't synchronize remote buffers on a readonly project"
5095                    )));
5096                } else {
5097                    remote_id
5098                }
5099            }
5100            ProjectClientState::Shared { .. } | ProjectClientState::Local => {
5101                return Task::ready(Err(anyhow!(
5102                    "can't synchronize remote buffers on a local project"
5103                )));
5104            }
5105        };
5106
5107        let client = self.collab_client.clone();
5108        cx.spawn(async move |this, cx| {
5109            let (buffers, incomplete_buffer_ids) = this.update(cx, |this, cx| {
5110                this.buffer_store.read(cx).buffer_version_info(cx)
5111            })?;
5112            let response = client
5113                .request(proto::SynchronizeBuffers {
5114                    project_id,
5115                    buffers,
5116                })
5117                .await?;
5118
5119            let send_updates_for_buffers = this.update(cx, |this, cx| {
5120                response
5121                    .buffers
5122                    .into_iter()
5123                    .map(|buffer| {
5124                        let client = client.clone();
5125                        let buffer_id = match BufferId::new(buffer.id) {
5126                            Ok(id) => id,
5127                            Err(e) => {
5128                                return Task::ready(Err(e));
5129                            }
5130                        };
5131                        let remote_version = language::proto::deserialize_version(&buffer.version);
5132                        if let Some(buffer) = this.buffer_for_id(buffer_id, cx) {
5133                            let operations =
5134                                buffer.read(cx).serialize_ops(Some(remote_version), cx);
5135                            cx.background_spawn(async move {
5136                                let operations = operations.await;
5137                                for chunk in split_operations(operations) {
5138                                    client
5139                                        .request(proto::UpdateBuffer {
5140                                            project_id,
5141                                            buffer_id: buffer_id.into(),
5142                                            operations: chunk,
5143                                        })
5144                                        .await?;
5145                                }
5146                                anyhow::Ok(())
5147                            })
5148                        } else {
5149                            Task::ready(Ok(()))
5150                        }
5151                    })
5152                    .collect::<Vec<_>>()
5153            })?;
5154
5155            // Any incomplete buffers have open requests waiting. Request that the host sends
5156            // creates these buffers for us again to unblock any waiting futures.
5157            for id in incomplete_buffer_ids {
5158                cx.background_spawn(client.request(proto::OpenBufferById {
5159                    project_id,
5160                    id: id.into(),
5161                }))
5162                .detach();
5163            }
5164
5165            futures::future::join_all(send_updates_for_buffers)
5166                .await
5167                .into_iter()
5168                .collect()
5169        })
5170    }
5171
5172    pub fn worktree_metadata_protos(&self, cx: &App) -> Vec<proto::WorktreeMetadata> {
5173        self.worktree_store.read(cx).worktree_metadata_protos(cx)
5174    }
5175
5176    /// Iterator of all open buffers that have unsaved changes
5177    pub fn dirty_buffers<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = ProjectPath> + 'a {
5178        self.buffer_store.read(cx).buffers().filter_map(|buf| {
5179            let buf = buf.read(cx);
5180            if buf.is_dirty() {
5181                buf.project_path(cx)
5182            } else {
5183                None
5184            }
5185        })
5186    }
5187
5188    fn set_worktrees_from_proto(
5189        &mut self,
5190        worktrees: Vec<proto::WorktreeMetadata>,
5191        cx: &mut Context<Project>,
5192    ) -> Result<()> {
5193        self.worktree_store.update(cx, |worktree_store, cx| {
5194            worktree_store.set_worktrees_from_proto(worktrees, self.replica_id(), cx)
5195        })
5196    }
5197
5198    fn set_collaborators_from_proto(
5199        &mut self,
5200        messages: Vec<proto::Collaborator>,
5201        cx: &mut Context<Self>,
5202    ) -> Result<()> {
5203        let mut collaborators = HashMap::default();
5204        for message in messages {
5205            let collaborator = Collaborator::from_proto(message)?;
5206            collaborators.insert(collaborator.peer_id, collaborator);
5207        }
5208        for old_peer_id in self.collaborators.keys() {
5209            if !collaborators.contains_key(old_peer_id) {
5210                cx.emit(Event::CollaboratorLeft(*old_peer_id));
5211            }
5212        }
5213        self.collaborators = collaborators;
5214        Ok(())
5215    }
5216
5217    pub fn supplementary_language_servers<'a>(
5218        &'a self,
5219        cx: &'a App,
5220    ) -> impl 'a + Iterator<Item = (LanguageServerId, LanguageServerName)> {
5221        self.lsp_store.read(cx).supplementary_language_servers()
5222    }
5223
5224    pub fn any_language_server_supports_inlay_hints(&self, buffer: &Buffer, cx: &mut App) -> bool {
5225        let Some(language) = buffer.language().cloned() else {
5226            return false;
5227        };
5228        self.lsp_store.update(cx, |lsp_store, _| {
5229            let relevant_language_servers = lsp_store
5230                .languages
5231                .lsp_adapters(&language.name())
5232                .into_iter()
5233                .map(|lsp_adapter| lsp_adapter.name())
5234                .collect::<HashSet<_>>();
5235            lsp_store
5236                .language_server_statuses()
5237                .filter_map(|(server_id, server_status)| {
5238                    relevant_language_servers
5239                        .contains(&server_status.name)
5240                        .then_some(server_id)
5241                })
5242                .filter_map(|server_id| lsp_store.lsp_server_capabilities.get(&server_id))
5243                .any(InlayHints::check_capabilities)
5244        })
5245    }
5246
5247    pub fn language_server_id_for_name(
5248        &self,
5249        buffer: &Buffer,
5250        name: &LanguageServerName,
5251        cx: &App,
5252    ) -> Option<LanguageServerId> {
5253        let language = buffer.language()?;
5254        let relevant_language_servers = self
5255            .languages
5256            .lsp_adapters(&language.name())
5257            .into_iter()
5258            .map(|lsp_adapter| lsp_adapter.name())
5259            .collect::<HashSet<_>>();
5260        if !relevant_language_servers.contains(name) {
5261            return None;
5262        }
5263        self.language_server_statuses(cx)
5264            .filter(|(_, server_status)| relevant_language_servers.contains(&server_status.name))
5265            .find_map(|(server_id, server_status)| {
5266                if &server_status.name == name {
5267                    Some(server_id)
5268                } else {
5269                    None
5270                }
5271            })
5272    }
5273
5274    #[cfg(any(test, feature = "test-support"))]
5275    pub fn has_language_servers_for(&self, buffer: &Buffer, cx: &mut App) -> bool {
5276        self.lsp_store.update(cx, |this, cx| {
5277            this.language_servers_for_local_buffer(buffer, cx)
5278                .next()
5279                .is_some()
5280        })
5281    }
5282
5283    pub fn git_init(
5284        &self,
5285        path: Arc<Path>,
5286        fallback_branch_name: String,
5287        cx: &App,
5288    ) -> Task<Result<()>> {
5289        self.git_store
5290            .read(cx)
5291            .git_init(path, fallback_branch_name, cx)
5292    }
5293
5294    pub fn buffer_store(&self) -> &Entity<BufferStore> {
5295        &self.buffer_store
5296    }
5297
5298    pub fn git_store(&self) -> &Entity<GitStore> {
5299        &self.git_store
5300    }
5301
5302    pub fn agent_server_store(&self) -> &Entity<AgentServerStore> {
5303        &self.agent_server_store
5304    }
5305
5306    #[cfg(test)]
5307    fn git_scans_complete(&self, cx: &Context<Self>) -> Task<()> {
5308        cx.spawn(async move |this, cx| {
5309            let scans_complete = this
5310                .read_with(cx, |this, cx| {
5311                    this.worktrees(cx)
5312                        .filter_map(|worktree| Some(worktree.read(cx).as_local()?.scan_complete()))
5313                        .collect::<Vec<_>>()
5314                })
5315                .unwrap();
5316            join_all(scans_complete).await;
5317            let barriers = this
5318                .update(cx, |this, cx| {
5319                    let repos = this.repositories(cx).values().cloned().collect::<Vec<_>>();
5320                    repos
5321                        .into_iter()
5322                        .map(|repo| repo.update(cx, |repo, _| repo.barrier()))
5323                        .collect::<Vec<_>>()
5324                })
5325                .unwrap();
5326            join_all(barriers).await;
5327        })
5328    }
5329
5330    pub fn active_repository(&self, cx: &App) -> Option<Entity<Repository>> {
5331        self.git_store.read(cx).active_repository()
5332    }
5333
5334    pub fn repositories<'a>(&self, cx: &'a App) -> &'a HashMap<RepositoryId, Entity<Repository>> {
5335        self.git_store.read(cx).repositories()
5336    }
5337
5338    pub fn status_for_buffer_id(&self, buffer_id: BufferId, cx: &App) -> Option<FileStatus> {
5339        self.git_store.read(cx).status_for_buffer_id(buffer_id, cx)
5340    }
5341
5342    pub fn set_agent_location(
5343        &mut self,
5344        new_location: Option<AgentLocation>,
5345        cx: &mut Context<Self>,
5346    ) {
5347        if let Some(old_location) = self.agent_location.as_ref() {
5348            old_location
5349                .buffer
5350                .update(cx, |buffer, cx| buffer.remove_agent_selections(cx))
5351                .ok();
5352        }
5353
5354        if let Some(location) = new_location.as_ref() {
5355            location
5356                .buffer
5357                .update(cx, |buffer, cx| {
5358                    buffer.set_agent_selections(
5359                        Arc::from([language::Selection {
5360                            id: 0,
5361                            start: location.position,
5362                            end: location.position,
5363                            reversed: false,
5364                            goal: language::SelectionGoal::None,
5365                        }]),
5366                        false,
5367                        CursorShape::Hollow,
5368                        cx,
5369                    )
5370                })
5371                .ok();
5372        }
5373
5374        self.agent_location = new_location;
5375        cx.emit(Event::AgentLocationChanged);
5376    }
5377
5378    pub fn agent_location(&self) -> Option<AgentLocation> {
5379        self.agent_location.clone()
5380    }
5381
5382    pub fn path_style(&self, cx: &App) -> PathStyle {
5383        self.worktree_store.read(cx).path_style()
5384    }
5385
5386    pub fn contains_local_settings_file(
5387        &self,
5388        worktree_id: WorktreeId,
5389        rel_path: &RelPath,
5390        cx: &App,
5391    ) -> bool {
5392        self.worktree_for_id(worktree_id, cx)
5393            .map_or(false, |worktree| {
5394                worktree.read(cx).entry_for_path(rel_path).is_some()
5395            })
5396    }
5397
5398    pub fn update_local_settings_file(
5399        &self,
5400        worktree_id: WorktreeId,
5401        rel_path: Arc<RelPath>,
5402        cx: &mut App,
5403        update: impl 'static + Send + FnOnce(&mut settings::SettingsContent, &App),
5404    ) {
5405        let Some(worktree) = self.worktree_for_id(worktree_id, cx) else {
5406            // todo(settings_ui) error?
5407            return;
5408        };
5409        cx.spawn(async move |cx| {
5410            let file = worktree
5411                .update(cx, |worktree, cx| worktree.load_file(&rel_path, cx))?
5412                .await
5413                .context("Failed to load settings file")?;
5414
5415            let new_text = cx.read_global::<SettingsStore, _>(|store, cx| {
5416                store.new_text_for_update(file.text, move |settings| update(settings, cx))
5417            })?;
5418            worktree
5419                .update(cx, |worktree, cx| {
5420                    let line_ending = text::LineEnding::detect(&new_text);
5421                    worktree.write_file(
5422                        rel_path.clone(),
5423                        Rope::from_str(&new_text, cx.background_executor()),
5424                        line_ending,
5425                        cx,
5426                    )
5427                })?
5428                .await
5429                .context("Failed to write settings file")?;
5430
5431            anyhow::Ok(())
5432        })
5433        .detach_and_log_err(cx);
5434    }
5435}
5436
5437pub struct PathMatchCandidateSet {
5438    pub snapshot: Snapshot,
5439    pub include_ignored: bool,
5440    pub include_root_name: bool,
5441    pub candidates: Candidates,
5442}
5443
5444pub enum Candidates {
5445    /// Only consider directories.
5446    Directories,
5447    /// Only consider files.
5448    Files,
5449    /// Consider directories and files.
5450    Entries,
5451}
5452
5453impl<'a> fuzzy::PathMatchCandidateSet<'a> for PathMatchCandidateSet {
5454    type Candidates = PathMatchCandidateSetIter<'a>;
5455
5456    fn id(&self) -> usize {
5457        self.snapshot.id().to_usize()
5458    }
5459
5460    fn len(&self) -> usize {
5461        match self.candidates {
5462            Candidates::Files => {
5463                if self.include_ignored {
5464                    self.snapshot.file_count()
5465                } else {
5466                    self.snapshot.visible_file_count()
5467                }
5468            }
5469
5470            Candidates::Directories => {
5471                if self.include_ignored {
5472                    self.snapshot.dir_count()
5473                } else {
5474                    self.snapshot.visible_dir_count()
5475                }
5476            }
5477
5478            Candidates::Entries => {
5479                if self.include_ignored {
5480                    self.snapshot.entry_count()
5481                } else {
5482                    self.snapshot.visible_entry_count()
5483                }
5484            }
5485        }
5486    }
5487
5488    fn prefix(&self) -> Arc<RelPath> {
5489        if self.snapshot.root_entry().is_some_and(|e| e.is_file()) || self.include_root_name {
5490            self.snapshot.root_name().into()
5491        } else {
5492            RelPath::empty().into()
5493        }
5494    }
5495
5496    fn root_is_file(&self) -> bool {
5497        self.snapshot.root_entry().is_some_and(|f| f.is_file())
5498    }
5499
5500    fn path_style(&self) -> PathStyle {
5501        self.snapshot.path_style()
5502    }
5503
5504    fn candidates(&'a self, start: usize) -> Self::Candidates {
5505        PathMatchCandidateSetIter {
5506            traversal: match self.candidates {
5507                Candidates::Directories => self.snapshot.directories(self.include_ignored, start),
5508                Candidates::Files => self.snapshot.files(self.include_ignored, start),
5509                Candidates::Entries => self.snapshot.entries(self.include_ignored, start),
5510            },
5511        }
5512    }
5513}
5514
5515pub struct PathMatchCandidateSetIter<'a> {
5516    traversal: Traversal<'a>,
5517}
5518
5519impl<'a> Iterator for PathMatchCandidateSetIter<'a> {
5520    type Item = fuzzy::PathMatchCandidate<'a>;
5521
5522    fn next(&mut self) -> Option<Self::Item> {
5523        self.traversal
5524            .next()
5525            .map(|entry| fuzzy::PathMatchCandidate {
5526                is_dir: entry.kind.is_dir(),
5527                path: &entry.path,
5528                char_bag: entry.char_bag,
5529            })
5530    }
5531}
5532
5533impl EventEmitter<Event> for Project {}
5534
5535impl<'a> From<&'a ProjectPath> for SettingsLocation<'a> {
5536    fn from(val: &'a ProjectPath) -> Self {
5537        SettingsLocation {
5538            worktree_id: val.worktree_id,
5539            path: val.path.as_ref(),
5540        }
5541    }
5542}
5543
5544impl<P: Into<Arc<RelPath>>> From<(WorktreeId, P)> for ProjectPath {
5545    fn from((worktree_id, path): (WorktreeId, P)) -> Self {
5546        Self {
5547            worktree_id,
5548            path: path.into(),
5549        }
5550    }
5551}
5552
5553/// ResolvedPath is a path that has been resolved to either a ProjectPath
5554/// or an AbsPath and that *exists*.
5555#[derive(Debug, Clone)]
5556pub enum ResolvedPath {
5557    ProjectPath {
5558        project_path: ProjectPath,
5559        is_dir: bool,
5560    },
5561    AbsPath {
5562        path: String,
5563        is_dir: bool,
5564    },
5565}
5566
5567impl ResolvedPath {
5568    pub fn abs_path(&self) -> Option<&str> {
5569        match self {
5570            Self::AbsPath { path, .. } => Some(path),
5571            _ => None,
5572        }
5573    }
5574
5575    pub fn into_abs_path(self) -> Option<String> {
5576        match self {
5577            Self::AbsPath { path, .. } => Some(path),
5578            _ => None,
5579        }
5580    }
5581
5582    pub fn project_path(&self) -> Option<&ProjectPath> {
5583        match self {
5584            Self::ProjectPath { project_path, .. } => Some(project_path),
5585            _ => None,
5586        }
5587    }
5588
5589    pub fn is_file(&self) -> bool {
5590        !self.is_dir()
5591    }
5592
5593    pub fn is_dir(&self) -> bool {
5594        match self {
5595            Self::ProjectPath { is_dir, .. } => *is_dir,
5596            Self::AbsPath { is_dir, .. } => *is_dir,
5597        }
5598    }
5599}
5600
5601impl ProjectItem for Buffer {
5602    fn try_open(
5603        project: &Entity<Project>,
5604        path: &ProjectPath,
5605        cx: &mut App,
5606    ) -> Option<Task<Result<Entity<Self>>>> {
5607        Some(project.update(cx, |project, cx| project.open_buffer(path.clone(), cx)))
5608    }
5609
5610    fn entry_id(&self, _cx: &App) -> Option<ProjectEntryId> {
5611        File::from_dyn(self.file()).and_then(|file| file.project_entry_id())
5612    }
5613
5614    fn project_path(&self, cx: &App) -> Option<ProjectPath> {
5615        self.file().map(|file| ProjectPath {
5616            worktree_id: file.worktree_id(cx),
5617            path: file.path().clone(),
5618        })
5619    }
5620
5621    fn is_dirty(&self) -> bool {
5622        self.is_dirty()
5623    }
5624}
5625
5626impl Completion {
5627    pub fn kind(&self) -> Option<CompletionItemKind> {
5628        self.source
5629            // `lsp::CompletionListItemDefaults` has no `kind` field
5630            .lsp_completion(false)
5631            .and_then(|lsp_completion| lsp_completion.kind)
5632    }
5633
5634    pub fn label(&self) -> Option<String> {
5635        self.source
5636            .lsp_completion(false)
5637            .map(|lsp_completion| lsp_completion.label.clone())
5638    }
5639
5640    /// A key that can be used to sort completions when displaying
5641    /// them to the user.
5642    pub fn sort_key(&self) -> (usize, &str) {
5643        const DEFAULT_KIND_KEY: usize = 4;
5644        let kind_key = self
5645            .kind()
5646            .and_then(|lsp_completion_kind| match lsp_completion_kind {
5647                lsp::CompletionItemKind::KEYWORD => Some(0),
5648                lsp::CompletionItemKind::VARIABLE => Some(1),
5649                lsp::CompletionItemKind::CONSTANT => Some(2),
5650                lsp::CompletionItemKind::PROPERTY => Some(3),
5651                _ => None,
5652            })
5653            .unwrap_or(DEFAULT_KIND_KEY);
5654        (kind_key, self.label.filter_text())
5655    }
5656
5657    /// Whether this completion is a snippet.
5658    pub fn is_snippet(&self) -> bool {
5659        self.source
5660            // `lsp::CompletionListItemDefaults` has `insert_text_format` field
5661            .lsp_completion(true)
5662            .is_some_and(|lsp_completion| {
5663                lsp_completion.insert_text_format == Some(lsp::InsertTextFormat::SNIPPET)
5664            })
5665    }
5666
5667    /// Returns the corresponding color for this completion.
5668    ///
5669    /// Will return `None` if this completion's kind is not [`CompletionItemKind::COLOR`].
5670    pub fn color(&self) -> Option<Hsla> {
5671        // `lsp::CompletionListItemDefaults` has no `kind` field
5672        let lsp_completion = self.source.lsp_completion(false)?;
5673        if lsp_completion.kind? == CompletionItemKind::COLOR {
5674            return color_extractor::extract_color(&lsp_completion);
5675        }
5676        None
5677    }
5678}
5679
5680fn proto_to_prompt(level: proto::language_server_prompt_request::Level) -> gpui::PromptLevel {
5681    match level {
5682        proto::language_server_prompt_request::Level::Info(_) => gpui::PromptLevel::Info,
5683        proto::language_server_prompt_request::Level::Warning(_) => gpui::PromptLevel::Warning,
5684        proto::language_server_prompt_request::Level::Critical(_) => gpui::PromptLevel::Critical,
5685    }
5686}
5687
5688fn provide_inline_values(
5689    captures: impl Iterator<Item = (Range<usize>, language::DebuggerTextObject)>,
5690    snapshot: &language::BufferSnapshot,
5691    max_row: usize,
5692) -> Vec<InlineValueLocation> {
5693    let mut variables = Vec::new();
5694    let mut variable_position = HashSet::default();
5695    let mut scopes = Vec::new();
5696
5697    let active_debug_line_offset = snapshot.point_to_offset(Point::new(max_row as u32, 0));
5698
5699    for (capture_range, capture_kind) in captures {
5700        match capture_kind {
5701            language::DebuggerTextObject::Variable => {
5702                let variable_name = snapshot
5703                    .text_for_range(capture_range.clone())
5704                    .collect::<String>();
5705                let point = snapshot.offset_to_point(capture_range.end);
5706
5707                while scopes
5708                    .last()
5709                    .is_some_and(|scope: &Range<_>| !scope.contains(&capture_range.start))
5710                {
5711                    scopes.pop();
5712                }
5713
5714                if point.row as usize > max_row {
5715                    break;
5716                }
5717
5718                let scope = if scopes
5719                    .last()
5720                    .is_none_or(|scope| !scope.contains(&active_debug_line_offset))
5721                {
5722                    VariableScope::Global
5723                } else {
5724                    VariableScope::Local
5725                };
5726
5727                if variable_position.insert(capture_range.end) {
5728                    variables.push(InlineValueLocation {
5729                        variable_name,
5730                        scope,
5731                        lookup: VariableLookupKind::Variable,
5732                        row: point.row as usize,
5733                        column: point.column as usize,
5734                    });
5735                }
5736            }
5737            language::DebuggerTextObject::Scope => {
5738                while scopes.last().map_or_else(
5739                    || false,
5740                    |scope: &Range<usize>| {
5741                        !(scope.contains(&capture_range.start)
5742                            && scope.contains(&capture_range.end))
5743                    },
5744                ) {
5745                    scopes.pop();
5746                }
5747                scopes.push(capture_range);
5748            }
5749        }
5750    }
5751
5752    variables
5753}
5754
5755#[cfg(test)]
5756mod disable_ai_settings_tests {
5757    use super::*;
5758    use gpui::TestAppContext;
5759    use settings::Settings;
5760
5761    #[gpui::test]
5762    async fn test_disable_ai_settings_security(cx: &mut TestAppContext) {
5763        cx.update(|cx| {
5764            settings::init(cx);
5765            Project::init_settings(cx);
5766
5767            // Test 1: Default is false (AI enabled)
5768            assert!(
5769                !DisableAiSettings::get_global(cx).disable_ai,
5770                "Default should allow AI"
5771            );
5772        });
5773
5774        let disable_true = serde_json::json!({
5775            "disable_ai": true
5776        })
5777        .to_string();
5778        let disable_false = serde_json::json!({
5779            "disable_ai": false
5780        })
5781        .to_string();
5782
5783        cx.update_global::<SettingsStore, _>(|store, cx| {
5784            store.set_user_settings(&disable_false, cx).unwrap();
5785            store.set_global_settings(&disable_true, cx).unwrap();
5786        });
5787        cx.update(|cx| {
5788            assert!(
5789                DisableAiSettings::get_global(cx).disable_ai,
5790                "Local false cannot override global true"
5791            );
5792        });
5793
5794        cx.update_global::<SettingsStore, _>(|store, cx| {
5795            store.set_global_settings(&disable_false, cx).unwrap();
5796            store.set_user_settings(&disable_true, cx).unwrap();
5797        });
5798
5799        cx.update(|cx| {
5800            assert!(
5801                DisableAiSettings::get_global(cx).disable_ai,
5802                "Local false cannot override global true"
5803            );
5804        });
5805    }
5806}