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;
  29use encoding_rs::Encoding;
  30pub use environment::ProjectEnvironmentEvent;
  31use fs::encodings::EncodingWrapper;
  32use git::repository::get_git_committer;
  33use git_store::{Repository, RepositoryId};
  34pub mod search_history;
  35mod yarn;
  36
  37use dap::inline_value::{InlineValueLocation, VariableLookupKind, VariableScope};
  38use task::Shell;
  39
  40use crate::{
  41    agent_server_store::AllAgentServersSettings,
  42    git_store::GitStore,
  43    lsp_store::{SymbolLocation, log_store::LogKind},
  44};
  45pub use agent_server_store::{AgentServerStore, AgentServersUpdated, ExternalAgentServerName};
  46pub use git_store::{
  47    ConflictRegion, ConflictSet, ConflictSetSnapshot, ConflictSetUpdate,
  48    git_traversal::{ChildEntriesGitIter, GitEntry, GitEntryRef, GitTraversal},
  49};
  50pub use manifest_tree::ManifestTree;
  51
  52use anyhow::{Context as _, Result, anyhow};
  53use buffer_store::{BufferStore, BufferStoreEvent};
  54use client::{Client, Collaborator, PendingEntitySubscription, TypedEnvelope, UserStore, proto};
  55use clock::ReplicaId;
  56
  57use dap::client::DebugAdapterClient;
  58
  59use collections::{BTreeSet, HashMap, HashSet, IndexSet};
  60use debounced_delay::DebouncedDelay;
  61pub use debugger::breakpoint_store::BreakpointWithPosition;
  62use debugger::{
  63    breakpoint_store::{ActiveStackFrame, BreakpointStore},
  64    dap_store::{DapStore, DapStoreEvent},
  65    session::Session,
  66};
  67pub use environment::ProjectEnvironment;
  68#[cfg(test)]
  69use futures::future::join_all;
  70use futures::{
  71    StreamExt,
  72    channel::mpsc::{self, UnboundedReceiver},
  73    future::{Shared, try_join_all},
  74};
  75pub use image_store::{ImageItem, ImageStore};
  76use image_store::{ImageItemEvent, ImageStoreEvent};
  77
  78use ::git::{blame::Blame, status::FileStatus};
  79use gpui::{
  80    App, AppContext, AsyncApp, BorrowAppContext, Context, Entity, EventEmitter, Hsla, SharedString,
  81    Task, WeakEntity, Window,
  82};
  83use language::{
  84    Buffer, BufferEvent, Capability, CodeLabel, CursorShape, Language, LanguageName,
  85    LanguageRegistry, PointUtf16, ToOffset, ToPointUtf16, Toolchain, ToolchainMetadata,
  86    ToolchainScope, Transaction, Unclipped, language_settings::InlayHintKind,
  87    proto::split_operations,
  88};
  89use lsp::{
  90    CodeActionKind, CompletionContext, CompletionItemKind, DocumentHighlightKind, InsertTextMode,
  91    LanguageServerId, LanguageServerName, LanguageServerSelector, MessageActionItem,
  92};
  93use lsp_command::*;
  94use lsp_store::{CompletionDocumentation, LspFormatTarget, OpenLspBufferHandle};
  95pub use manifest_tree::ManifestProvidersStore;
  96use node_runtime::NodeRuntime;
  97use parking_lot::Mutex;
  98pub use prettier_store::PrettierStore;
  99use project_settings::{ProjectSettings, SettingsObserver, SettingsObserverEvent};
 100use remote::{RemoteClient, RemoteConnectionOptions};
 101use rpc::{
 102    AnyProtoClient, ErrorCode,
 103    proto::{LanguageServerPromptResponse, REMOTE_SERVER_PROJECT_ID},
 104};
 105use search::{SearchInputKind, SearchQuery, SearchResult};
 106use search_history::SearchHistory;
 107use settings::{InvalidSettingsError, Settings, SettingsLocation, SettingsStore};
 108use smol::channel::Receiver;
 109use snippet::Snippet;
 110use snippet_provider::SnippetProvider;
 111use std::{
 112    borrow::Cow,
 113    collections::BTreeMap,
 114    ops::Range,
 115    path::{Path, PathBuf},
 116    pin::pin,
 117    str,
 118    sync::Arc,
 119    time::Duration,
 120};
 121
 122use task_store::TaskStore;
 123use terminals::Terminals;
 124use text::{Anchor, BufferId, OffsetRangeExt, Point, Rope};
 125use toolchain_store::EmptyToolchainStore;
 126use util::{
 127    ResultExt as _, maybe,
 128    paths::{PathStyle, SanitizedPath, compare_paths, is_absolute},
 129    rel_path::RelPath,
 130};
 131use worktree::{CreatedEntry, Snapshot, Traversal};
 132pub use worktree::{
 133    Entry, EntryKind, FS_WATCH_LATENCY, File, LocalWorktree, PathChange, ProjectEntryId,
 134    UpdatedEntriesSet, UpdatedGitRepositoriesSet, Worktree, WorktreeId, WorktreeSettings,
 135};
 136use worktree_store::{WorktreeStore, WorktreeStoreEvent};
 137
 138pub use fs::*;
 139pub use language::Location;
 140#[cfg(any(test, feature = "test-support"))]
 141pub use prettier::FORMAT_SUFFIX as TEST_PRETTIER_FORMAT_SUFFIX;
 142pub use task_inventory::{
 143    BasicContextProvider, ContextProviderWithTasks, DebugScenarioContext, Inventory, TaskContexts,
 144    TaskSourceKind,
 145};
 146
 147pub use buffer_store::ProjectTransaction;
 148pub use lsp_store::{
 149    DiagnosticSummary, InvalidationStrategy, LanguageServerLogType, LanguageServerProgress,
 150    LanguageServerPromptRequest, LanguageServerStatus, LanguageServerToQuery, LspStore,
 151    LspStoreEvent, ProgressToken, SERVER_PROGRESS_THROTTLE_TIMEOUT,
 152};
 153pub use toolchain_store::{ToolchainStore, Toolchains};
 154const MAX_PROJECT_SEARCH_HISTORY_SIZE: usize = 500;
 155const MAX_SEARCH_RESULT_FILES: usize = 5_000;
 156const MAX_SEARCH_RESULT_RANGES: usize = 10_000;
 157
 158pub trait ProjectItem: 'static {
 159    fn try_open(
 160        project: &Entity<Project>,
 161        path: &ProjectPath,
 162        cx: &mut App,
 163    ) -> Option<Task<Result<Entity<Self>>>>
 164    where
 165        Self: Sized;
 166    fn entry_id(&self, cx: &App) -> Option<ProjectEntryId>;
 167    fn project_path(&self, cx: &App) -> Option<ProjectPath>;
 168    fn is_dirty(&self) -> bool;
 169}
 170
 171#[derive(Clone)]
 172pub enum OpenedBufferEvent {
 173    Disconnected,
 174    Ok(BufferId),
 175    Err(BufferId, Arc<anyhow::Error>),
 176}
 177
 178/// Semantics-aware entity that is relevant to one or more [`Worktree`] with the files.
 179/// `Project` is responsible for tasks, LSP and collab queries, synchronizing worktree states accordingly.
 180/// Maps [`Worktree`] entries with its own logic using [`ProjectEntryId`] and [`ProjectPath`] structs.
 181///
 182/// Can be either local (for the project opened on the same host) or remote.(for collab projects, browsed by multiple remote users).
 183pub struct Project {
 184    active_entry: Option<ProjectEntryId>,
 185    buffer_ordered_messages_tx: mpsc::UnboundedSender<BufferOrderedMessage>,
 186    languages: Arc<LanguageRegistry>,
 187    dap_store: Entity<DapStore>,
 188    agent_server_store: Entity<AgentServerStore>,
 189
 190    breakpoint_store: Entity<BreakpointStore>,
 191    collab_client: Arc<client::Client>,
 192    join_project_response_message_id: u32,
 193    task_store: Entity<TaskStore>,
 194    user_store: Entity<UserStore>,
 195    fs: Arc<dyn Fs>,
 196    remote_client: Option<Entity<RemoteClient>>,
 197    client_state: ProjectClientState,
 198    git_store: Entity<GitStore>,
 199    collaborators: HashMap<proto::PeerId, Collaborator>,
 200    client_subscriptions: Vec<client::Subscription>,
 201    worktree_store: Entity<WorktreeStore>,
 202    buffer_store: Entity<BufferStore>,
 203    context_server_store: Entity<ContextServerStore>,
 204    image_store: Entity<ImageStore>,
 205    lsp_store: Entity<LspStore>,
 206    _subscriptions: Vec<gpui::Subscription>,
 207    buffers_needing_diff: HashSet<WeakEntity<Buffer>>,
 208    git_diff_debouncer: DebouncedDelay<Self>,
 209    remotely_created_models: Arc<Mutex<RemotelyCreatedModels>>,
 210    terminals: Terminals,
 211    node: Option<NodeRuntime>,
 212    search_history: SearchHistory,
 213    search_included_history: SearchHistory,
 214    search_excluded_history: SearchHistory,
 215    snippets: Entity<SnippetProvider>,
 216    environment: Entity<ProjectEnvironment>,
 217    settings_observer: Entity<SettingsObserver>,
 218    toolchain_store: Option<Entity<ToolchainStore>>,
 219    agent_location: Option<AgentLocation>,
 220    pub encoding: Arc<std::sync::Mutex<&'static Encoding>>,
 221}
 222
 223#[derive(Clone, Debug, PartialEq, Eq)]
 224pub struct AgentLocation {
 225    pub buffer: WeakEntity<Buffer>,
 226    pub position: Anchor,
 227}
 228
 229#[derive(Default)]
 230struct RemotelyCreatedModels {
 231    worktrees: Vec<Entity<Worktree>>,
 232    buffers: Vec<Entity<Buffer>>,
 233    retain_count: usize,
 234}
 235
 236struct RemotelyCreatedModelGuard {
 237    remote_models: std::sync::Weak<Mutex<RemotelyCreatedModels>>,
 238}
 239
 240impl Drop for RemotelyCreatedModelGuard {
 241    fn drop(&mut self) {
 242        if let Some(remote_models) = self.remote_models.upgrade() {
 243            let mut remote_models = remote_models.lock();
 244            assert!(
 245                remote_models.retain_count > 0,
 246                "RemotelyCreatedModelGuard dropped too many times"
 247            );
 248            remote_models.retain_count -= 1;
 249            if remote_models.retain_count == 0 {
 250                remote_models.buffers.clear();
 251                remote_models.worktrees.clear();
 252            }
 253        }
 254    }
 255}
 256/// Message ordered with respect to buffer operations
 257#[derive(Debug)]
 258enum BufferOrderedMessage {
 259    Operation {
 260        buffer_id: BufferId,
 261        operation: proto::Operation,
 262    },
 263    LanguageServerUpdate {
 264        language_server_id: LanguageServerId,
 265        message: proto::update_language_server::Variant,
 266        name: Option<LanguageServerName>,
 267    },
 268    Resync,
 269}
 270
 271#[derive(Debug)]
 272enum ProjectClientState {
 273    /// Single-player mode.
 274    Local,
 275    /// Multi-player mode but still a local project.
 276    Shared { remote_id: u64 },
 277    /// Multi-player mode but working on a remote project.
 278    Remote {
 279        sharing_has_stopped: bool,
 280        capability: Capability,
 281        remote_id: u64,
 282        replica_id: ReplicaId,
 283    },
 284}
 285
 286#[derive(Clone, Debug, PartialEq)]
 287pub enum Event {
 288    LanguageServerAdded(LanguageServerId, LanguageServerName, Option<WorktreeId>),
 289    LanguageServerRemoved(LanguageServerId),
 290    LanguageServerLog(LanguageServerId, LanguageServerLogType, String),
 291    // [`lsp::notification::DidOpenTextDocument`] was sent to this server using the buffer data.
 292    // Zed's buffer-related data is updated accordingly.
 293    LanguageServerBufferRegistered {
 294        server_id: LanguageServerId,
 295        buffer_id: BufferId,
 296        buffer_abs_path: PathBuf,
 297        name: Option<LanguageServerName>,
 298    },
 299    ToggleLspLogs {
 300        server_id: LanguageServerId,
 301        enabled: bool,
 302        toggled_log_kind: LogKind,
 303    },
 304    Toast {
 305        notification_id: SharedString,
 306        message: String,
 307    },
 308    HideToast {
 309        notification_id: SharedString,
 310    },
 311    LanguageServerPrompt(LanguageServerPromptRequest),
 312    LanguageNotFound(Entity<Buffer>),
 313    ActiveEntryChanged(Option<ProjectEntryId>),
 314    ActivateProjectPanel,
 315    WorktreeAdded(WorktreeId),
 316    WorktreeOrderChanged,
 317    WorktreeRemoved(WorktreeId),
 318    WorktreeUpdatedEntries(WorktreeId, UpdatedEntriesSet),
 319    DiskBasedDiagnosticsStarted {
 320        language_server_id: LanguageServerId,
 321    },
 322    DiskBasedDiagnosticsFinished {
 323        language_server_id: LanguageServerId,
 324    },
 325    DiagnosticsUpdated {
 326        paths: Vec<ProjectPath>,
 327        language_server_id: LanguageServerId,
 328    },
 329    RemoteIdChanged(Option<u64>),
 330    DisconnectedFromHost,
 331    DisconnectedFromSshRemote,
 332    Closed,
 333    DeletedEntry(WorktreeId, ProjectEntryId),
 334    CollaboratorUpdated {
 335        old_peer_id: proto::PeerId,
 336        new_peer_id: proto::PeerId,
 337    },
 338    CollaboratorJoined(proto::PeerId),
 339    CollaboratorLeft(proto::PeerId),
 340    HostReshared,
 341    Reshared,
 342    Rejoined,
 343    RefreshInlayHints(LanguageServerId),
 344    RefreshCodeLens,
 345    RevealInProjectPanel(ProjectEntryId),
 346    SnippetEdit(BufferId, Vec<(lsp::Range, Snippet)>),
 347    ExpandedAllForEntry(WorktreeId, ProjectEntryId),
 348    EntryRenamed(ProjectTransaction),
 349    AgentLocationChanged,
 350}
 351
 352pub struct AgentLocationChanged;
 353
 354pub enum DebugAdapterClientState {
 355    Starting(Task<Option<Arc<DebugAdapterClient>>>),
 356    Running(Arc<DebugAdapterClient>),
 357}
 358
 359#[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord)]
 360pub struct ProjectPath {
 361    pub worktree_id: WorktreeId,
 362    pub path: Arc<RelPath>,
 363}
 364
 365impl ProjectPath {
 366    pub fn from_file(value: &dyn language::File, cx: &App) -> Self {
 367        ProjectPath {
 368            worktree_id: value.worktree_id(cx),
 369            path: value.path().clone(),
 370        }
 371    }
 372
 373    pub fn from_proto(p: proto::ProjectPath) -> Option<Self> {
 374        Some(Self {
 375            worktree_id: WorktreeId::from_proto(p.worktree_id),
 376            path: RelPath::from_proto(&p.path).log_err()?,
 377        })
 378    }
 379
 380    pub fn to_proto(&self) -> proto::ProjectPath {
 381        proto::ProjectPath {
 382            worktree_id: self.worktree_id.to_proto(),
 383            path: self.path.as_ref().to_proto(),
 384        }
 385    }
 386
 387    pub fn root_path(worktree_id: WorktreeId) -> Self {
 388        Self {
 389            worktree_id,
 390            path: RelPath::empty().into(),
 391        }
 392    }
 393
 394    pub fn starts_with(&self, other: &ProjectPath) -> bool {
 395        self.worktree_id == other.worktree_id && self.path.starts_with(&other.path)
 396    }
 397}
 398
 399#[derive(Debug, Default)]
 400pub enum PrepareRenameResponse {
 401    Success(Range<Anchor>),
 402    OnlyUnpreparedRenameSupported,
 403    #[default]
 404    InvalidPosition,
 405}
 406
 407#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
 408pub enum InlayId {
 409    EditPrediction(usize),
 410    DebuggerValue(usize),
 411    // LSP
 412    Hint(usize),
 413    Color(usize),
 414}
 415
 416impl InlayId {
 417    pub fn id(&self) -> usize {
 418        match self {
 419            Self::EditPrediction(id) => *id,
 420            Self::DebuggerValue(id) => *id,
 421            Self::Hint(id) => *id,
 422            Self::Color(id) => *id,
 423        }
 424    }
 425}
 426
 427#[derive(Debug, Clone, PartialEq, Eq)]
 428pub struct InlayHint {
 429    pub position: language::Anchor,
 430    pub label: InlayHintLabel,
 431    pub kind: Option<InlayHintKind>,
 432    pub padding_left: bool,
 433    pub padding_right: bool,
 434    pub tooltip: Option<InlayHintTooltip>,
 435    pub resolve_state: ResolveState,
 436}
 437
 438/// The user's intent behind a given completion confirmation
 439#[derive(PartialEq, Eq, Hash, Debug, Clone, Copy)]
 440pub enum CompletionIntent {
 441    /// The user intends to 'commit' this result, if possible
 442    /// completion confirmations should run side effects.
 443    ///
 444    /// For LSP completions, will respect the setting `completions.lsp_insert_mode`.
 445    Complete,
 446    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `insert`.
 447    CompleteWithInsert,
 448    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `replace`.
 449    CompleteWithReplace,
 450    /// The user intends to continue 'composing' this completion
 451    /// completion confirmations should not run side effects and
 452    /// let the user continue composing their action
 453    Compose,
 454}
 455
 456impl CompletionIntent {
 457    pub fn is_complete(&self) -> bool {
 458        self == &Self::Complete
 459    }
 460
 461    pub fn is_compose(&self) -> bool {
 462        self == &Self::Compose
 463    }
 464}
 465
 466/// Similar to `CoreCompletion`, but with extra metadata attached.
 467#[derive(Clone)]
 468pub struct Completion {
 469    /// The range of text that will be replaced by this completion.
 470    pub replace_range: Range<Anchor>,
 471    /// The new text that will be inserted.
 472    pub new_text: String,
 473    /// A label for this completion that is shown in the menu.
 474    pub label: CodeLabel,
 475    /// The documentation for this completion.
 476    pub documentation: Option<CompletionDocumentation>,
 477    /// Completion data source which it was constructed from.
 478    pub source: CompletionSource,
 479    /// A path to an icon for this completion that is shown in the menu.
 480    pub icon_path: Option<SharedString>,
 481    /// Whether to adjust indentation (the default) or not.
 482    pub insert_text_mode: Option<InsertTextMode>,
 483    /// An optional callback to invoke when this completion is confirmed.
 484    /// Returns, whether new completions should be retriggered after the current one.
 485    /// If `true` is returned, the editor will show a new completion menu after this completion is confirmed.
 486    /// if no confirmation is provided or `false` is returned, the completion will be committed.
 487    pub confirm: Option<Arc<dyn Send + Sync + Fn(CompletionIntent, &mut Window, &mut App) -> bool>>,
 488}
 489
 490#[derive(Debug, Clone)]
 491pub enum CompletionSource {
 492    Lsp {
 493        /// The alternate `insert` range, if provided by the LSP server.
 494        insert_range: Option<Range<Anchor>>,
 495        /// The id of the language server that produced this completion.
 496        server_id: LanguageServerId,
 497        /// The raw completion provided by the language server.
 498        lsp_completion: Box<lsp::CompletionItem>,
 499        /// A set of defaults for this completion item.
 500        lsp_defaults: Option<Arc<lsp::CompletionListItemDefaults>>,
 501        /// Whether this completion has been resolved, to ensure it happens once per completion.
 502        resolved: bool,
 503    },
 504    Dap {
 505        /// The sort text for this completion.
 506        sort_text: String,
 507    },
 508    Custom,
 509    BufferWord {
 510        word_range: Range<Anchor>,
 511        resolved: bool,
 512    },
 513}
 514
 515impl CompletionSource {
 516    pub fn server_id(&self) -> Option<LanguageServerId> {
 517        if let CompletionSource::Lsp { server_id, .. } = self {
 518            Some(*server_id)
 519        } else {
 520            None
 521        }
 522    }
 523
 524    pub fn lsp_completion(&self, apply_defaults: bool) -> Option<Cow<'_, lsp::CompletionItem>> {
 525        if let Self::Lsp {
 526            lsp_completion,
 527            lsp_defaults,
 528            ..
 529        } = self
 530        {
 531            if apply_defaults && let Some(lsp_defaults) = lsp_defaults {
 532                let mut completion_with_defaults = *lsp_completion.clone();
 533                let default_commit_characters = lsp_defaults.commit_characters.as_ref();
 534                let default_edit_range = lsp_defaults.edit_range.as_ref();
 535                let default_insert_text_format = lsp_defaults.insert_text_format.as_ref();
 536                let default_insert_text_mode = lsp_defaults.insert_text_mode.as_ref();
 537
 538                if default_commit_characters.is_some()
 539                    || default_edit_range.is_some()
 540                    || default_insert_text_format.is_some()
 541                    || default_insert_text_mode.is_some()
 542                {
 543                    if completion_with_defaults.commit_characters.is_none()
 544                        && default_commit_characters.is_some()
 545                    {
 546                        completion_with_defaults.commit_characters =
 547                            default_commit_characters.cloned()
 548                    }
 549                    if completion_with_defaults.text_edit.is_none() {
 550                        match default_edit_range {
 551                            Some(lsp::CompletionListItemDefaultsEditRange::Range(range)) => {
 552                                completion_with_defaults.text_edit =
 553                                    Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
 554                                        range: *range,
 555                                        new_text: completion_with_defaults.label.clone(),
 556                                    }))
 557                            }
 558                            Some(lsp::CompletionListItemDefaultsEditRange::InsertAndReplace {
 559                                insert,
 560                                replace,
 561                            }) => {
 562                                completion_with_defaults.text_edit =
 563                                    Some(lsp::CompletionTextEdit::InsertAndReplace(
 564                                        lsp::InsertReplaceEdit {
 565                                            new_text: completion_with_defaults.label.clone(),
 566                                            insert: *insert,
 567                                            replace: *replace,
 568                                        },
 569                                    ))
 570                            }
 571                            None => {}
 572                        }
 573                    }
 574                    if completion_with_defaults.insert_text_format.is_none()
 575                        && default_insert_text_format.is_some()
 576                    {
 577                        completion_with_defaults.insert_text_format =
 578                            default_insert_text_format.cloned()
 579                    }
 580                    if completion_with_defaults.insert_text_mode.is_none()
 581                        && default_insert_text_mode.is_some()
 582                    {
 583                        completion_with_defaults.insert_text_mode =
 584                            default_insert_text_mode.cloned()
 585                    }
 586                }
 587                return Some(Cow::Owned(completion_with_defaults));
 588            }
 589            Some(Cow::Borrowed(lsp_completion))
 590        } else {
 591            None
 592        }
 593    }
 594}
 595
 596impl std::fmt::Debug for Completion {
 597    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 598        f.debug_struct("Completion")
 599            .field("replace_range", &self.replace_range)
 600            .field("new_text", &self.new_text)
 601            .field("label", &self.label)
 602            .field("documentation", &self.documentation)
 603            .field("source", &self.source)
 604            .finish()
 605    }
 606}
 607
 608/// Response from a source of completions.
 609pub struct CompletionResponse {
 610    pub completions: Vec<Completion>,
 611    pub display_options: CompletionDisplayOptions,
 612    /// When false, indicates that the list is complete and so does not need to be re-queried if it
 613    /// can be filtered instead.
 614    pub is_incomplete: bool,
 615}
 616
 617#[derive(Default)]
 618pub struct CompletionDisplayOptions {
 619    pub dynamic_width: bool,
 620}
 621
 622impl CompletionDisplayOptions {
 623    pub fn merge(&mut self, other: &CompletionDisplayOptions) {
 624        self.dynamic_width = self.dynamic_width && other.dynamic_width;
 625    }
 626}
 627
 628/// Response from language server completion request.
 629#[derive(Clone, Debug, Default)]
 630pub(crate) struct CoreCompletionResponse {
 631    pub completions: Vec<CoreCompletion>,
 632    /// When false, indicates that the list is complete and so does not need to be re-queried if it
 633    /// can be filtered instead.
 634    pub is_incomplete: bool,
 635}
 636
 637/// A generic completion that can come from different sources.
 638#[derive(Clone, Debug)]
 639pub(crate) struct CoreCompletion {
 640    replace_range: Range<Anchor>,
 641    new_text: String,
 642    source: CompletionSource,
 643}
 644
 645/// A code action provided by a language server.
 646#[derive(Clone, Debug, PartialEq)]
 647pub struct CodeAction {
 648    /// The id of the language server that produced this code action.
 649    pub server_id: LanguageServerId,
 650    /// The range of the buffer where this code action is applicable.
 651    pub range: Range<Anchor>,
 652    /// The raw code action provided by the language server.
 653    /// Can be either an action or a command.
 654    pub lsp_action: LspAction,
 655    /// Whether the action needs to be resolved using the language server.
 656    pub resolved: bool,
 657}
 658
 659/// An action sent back by a language server.
 660#[derive(Clone, Debug, PartialEq)]
 661pub enum LspAction {
 662    /// An action with the full data, may have a command or may not.
 663    /// May require resolving.
 664    Action(Box<lsp::CodeAction>),
 665    /// A command data to run as an action.
 666    Command(lsp::Command),
 667    /// A code lens data to run as an action.
 668    CodeLens(lsp::CodeLens),
 669}
 670
 671impl LspAction {
 672    pub fn title(&self) -> &str {
 673        match self {
 674            Self::Action(action) => &action.title,
 675            Self::Command(command) => &command.title,
 676            Self::CodeLens(lens) => lens
 677                .command
 678                .as_ref()
 679                .map(|command| command.title.as_str())
 680                .unwrap_or("Unknown command"),
 681        }
 682    }
 683
 684    fn action_kind(&self) -> Option<lsp::CodeActionKind> {
 685        match self {
 686            Self::Action(action) => action.kind.clone(),
 687            Self::Command(_) => Some(lsp::CodeActionKind::new("command")),
 688            Self::CodeLens(_) => Some(lsp::CodeActionKind::new("code lens")),
 689        }
 690    }
 691
 692    fn edit(&self) -> Option<&lsp::WorkspaceEdit> {
 693        match self {
 694            Self::Action(action) => action.edit.as_ref(),
 695            Self::Command(_) => None,
 696            Self::CodeLens(_) => None,
 697        }
 698    }
 699
 700    fn command(&self) -> Option<&lsp::Command> {
 701        match self {
 702            Self::Action(action) => action.command.as_ref(),
 703            Self::Command(command) => Some(command),
 704            Self::CodeLens(lens) => lens.command.as_ref(),
 705        }
 706    }
 707}
 708
 709#[derive(Debug, Clone, PartialEq, Eq)]
 710pub enum ResolveState {
 711    Resolved,
 712    CanResolve(LanguageServerId, Option<lsp::LSPAny>),
 713    Resolving,
 714}
 715impl InlayHint {
 716    pub fn text(&self) -> Rope {
 717        match &self.label {
 718            InlayHintLabel::String(s) => Rope::from_str_small(s),
 719            InlayHintLabel::LabelParts(parts) => {
 720                Rope::from_iter_small(parts.iter().map(|part| &*part.value))
 721            }
 722        }
 723    }
 724}
 725
 726#[derive(Debug, Clone, PartialEq, Eq)]
 727pub enum InlayHintLabel {
 728    String(String),
 729    LabelParts(Vec<InlayHintLabelPart>),
 730}
 731
 732#[derive(Debug, Clone, PartialEq, Eq)]
 733pub struct InlayHintLabelPart {
 734    pub value: String,
 735    pub tooltip: Option<InlayHintLabelPartTooltip>,
 736    pub location: Option<(LanguageServerId, lsp::Location)>,
 737}
 738
 739#[derive(Debug, Clone, PartialEq, Eq)]
 740pub enum InlayHintTooltip {
 741    String(String),
 742    MarkupContent(MarkupContent),
 743}
 744
 745#[derive(Debug, Clone, PartialEq, Eq)]
 746pub enum InlayHintLabelPartTooltip {
 747    String(String),
 748    MarkupContent(MarkupContent),
 749}
 750
 751#[derive(Debug, Clone, PartialEq, Eq)]
 752pub struct MarkupContent {
 753    pub kind: HoverBlockKind,
 754    pub value: String,
 755}
 756
 757#[derive(Debug, Clone, PartialEq)]
 758pub struct LocationLink {
 759    pub origin: Option<Location>,
 760    pub target: Location,
 761}
 762
 763#[derive(Debug)]
 764pub struct DocumentHighlight {
 765    pub range: Range<language::Anchor>,
 766    pub kind: DocumentHighlightKind,
 767}
 768
 769#[derive(Clone, Debug)]
 770pub struct Symbol {
 771    pub language_server_name: LanguageServerName,
 772    pub source_worktree_id: WorktreeId,
 773    pub source_language_server_id: LanguageServerId,
 774    pub path: SymbolLocation,
 775    pub label: CodeLabel,
 776    pub name: String,
 777    pub kind: lsp::SymbolKind,
 778    pub range: Range<Unclipped<PointUtf16>>,
 779}
 780
 781#[derive(Clone, Debug)]
 782pub struct DocumentSymbol {
 783    pub name: String,
 784    pub kind: lsp::SymbolKind,
 785    pub range: Range<Unclipped<PointUtf16>>,
 786    pub selection_range: Range<Unclipped<PointUtf16>>,
 787    pub children: Vec<DocumentSymbol>,
 788}
 789
 790#[derive(Clone, Debug, PartialEq)]
 791pub struct HoverBlock {
 792    pub text: String,
 793    pub kind: HoverBlockKind,
 794}
 795
 796#[derive(Clone, Debug, PartialEq, Eq)]
 797pub enum HoverBlockKind {
 798    PlainText,
 799    Markdown,
 800    Code { language: String },
 801}
 802
 803#[derive(Debug, Clone)]
 804pub struct Hover {
 805    pub contents: Vec<HoverBlock>,
 806    pub range: Option<Range<language::Anchor>>,
 807    pub language: Option<Arc<Language>>,
 808}
 809
 810impl Hover {
 811    pub fn is_empty(&self) -> bool {
 812        self.contents.iter().all(|block| block.text.is_empty())
 813    }
 814}
 815
 816enum EntitySubscription {
 817    Project(PendingEntitySubscription<Project>),
 818    BufferStore(PendingEntitySubscription<BufferStore>),
 819    GitStore(PendingEntitySubscription<GitStore>),
 820    WorktreeStore(PendingEntitySubscription<WorktreeStore>),
 821    LspStore(PendingEntitySubscription<LspStore>),
 822    SettingsObserver(PendingEntitySubscription<SettingsObserver>),
 823    DapStore(PendingEntitySubscription<DapStore>),
 824}
 825
 826#[derive(Debug, Clone)]
 827pub struct DirectoryItem {
 828    pub path: PathBuf,
 829    pub is_dir: bool,
 830}
 831
 832#[derive(Clone, Debug, PartialEq)]
 833pub struct DocumentColor {
 834    pub lsp_range: lsp::Range,
 835    pub color: lsp::Color,
 836    pub resolved: bool,
 837    pub color_presentations: Vec<ColorPresentation>,
 838}
 839
 840impl Eq for DocumentColor {}
 841
 842impl std::hash::Hash for DocumentColor {
 843    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 844        self.lsp_range.hash(state);
 845        self.color.red.to_bits().hash(state);
 846        self.color.green.to_bits().hash(state);
 847        self.color.blue.to_bits().hash(state);
 848        self.color.alpha.to_bits().hash(state);
 849        self.resolved.hash(state);
 850        self.color_presentations.hash(state);
 851    }
 852}
 853
 854#[derive(Clone, Debug, PartialEq, Eq)]
 855pub struct ColorPresentation {
 856    pub label: SharedString,
 857    pub text_edit: Option<lsp::TextEdit>,
 858    pub additional_text_edits: Vec<lsp::TextEdit>,
 859}
 860
 861impl std::hash::Hash for ColorPresentation {
 862    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 863        self.label.hash(state);
 864        if let Some(ref edit) = self.text_edit {
 865            edit.range.hash(state);
 866            edit.new_text.hash(state);
 867        }
 868        self.additional_text_edits.len().hash(state);
 869        for edit in &self.additional_text_edits {
 870            edit.range.hash(state);
 871            edit.new_text.hash(state);
 872        }
 873    }
 874}
 875
 876#[derive(Clone)]
 877pub enum DirectoryLister {
 878    Project(Entity<Project>),
 879    Local(Entity<Project>, Arc<dyn Fs>),
 880}
 881
 882impl std::fmt::Debug for DirectoryLister {
 883    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 884        match self {
 885            DirectoryLister::Project(project) => {
 886                write!(f, "DirectoryLister::Project({project:?})")
 887            }
 888            DirectoryLister::Local(project, _) => {
 889                write!(f, "DirectoryLister::Local({project:?})")
 890            }
 891        }
 892    }
 893}
 894
 895impl DirectoryLister {
 896    pub fn is_local(&self, cx: &App) -> bool {
 897        match self {
 898            DirectoryLister::Local(..) => true,
 899            DirectoryLister::Project(project) => project.read(cx).is_local(),
 900        }
 901    }
 902
 903    pub fn resolve_tilde<'a>(&self, path: &'a String, cx: &App) -> Cow<'a, str> {
 904        if self.is_local(cx) {
 905            shellexpand::tilde(path)
 906        } else {
 907            Cow::from(path)
 908        }
 909    }
 910
 911    pub fn default_query(&self, cx: &mut App) -> String {
 912        let project = match self {
 913            DirectoryLister::Project(project) => project,
 914            DirectoryLister::Local(project, _) => project,
 915        }
 916        .read(cx);
 917        let path_style = project.path_style(cx);
 918        project
 919            .visible_worktrees(cx)
 920            .next()
 921            .map(|worktree| worktree.read(cx).abs_path().to_string_lossy().into_owned())
 922            .or_else(|| std::env::home_dir().map(|dir| dir.to_string_lossy().into_owned()))
 923            .map(|mut s| {
 924                s.push_str(path_style.separator());
 925                s
 926            })
 927            .unwrap_or_else(|| {
 928                if path_style.is_windows() {
 929                    "C:\\"
 930                } else {
 931                    "~/"
 932                }
 933                .to_string()
 934            })
 935    }
 936
 937    pub fn list_directory(&self, path: String, cx: &mut App) -> Task<Result<Vec<DirectoryItem>>> {
 938        match self {
 939            DirectoryLister::Project(project) => {
 940                project.update(cx, |project, cx| project.list_directory(path, cx))
 941            }
 942            DirectoryLister::Local(_, fs) => {
 943                let fs = fs.clone();
 944                cx.background_spawn(async move {
 945                    let mut results = vec![];
 946                    let expanded = shellexpand::tilde(&path);
 947                    let query = Path::new(expanded.as_ref());
 948                    let mut response = fs.read_dir(query).await?;
 949                    while let Some(path) = response.next().await {
 950                        let path = path?;
 951                        if let Some(file_name) = path.file_name() {
 952                            results.push(DirectoryItem {
 953                                path: PathBuf::from(file_name.to_os_string()),
 954                                is_dir: fs.is_dir(&path).await,
 955                            });
 956                        }
 957                    }
 958                    Ok(results)
 959                })
 960            }
 961        }
 962    }
 963}
 964
 965#[cfg(any(test, feature = "test-support"))]
 966pub const DEFAULT_COMPLETION_CONTEXT: CompletionContext = CompletionContext {
 967    trigger_kind: lsp::CompletionTriggerKind::INVOKED,
 968    trigger_character: None,
 969};
 970
 971/// An LSP diagnostics associated with a certain language server.
 972#[derive(Clone, Debug, Default)]
 973pub enum LspPullDiagnostics {
 974    #[default]
 975    Default,
 976    Response {
 977        /// The id of the language server that produced diagnostics.
 978        server_id: LanguageServerId,
 979        /// URI of the resource,
 980        uri: lsp::Uri,
 981        /// The diagnostics produced by this language server.
 982        diagnostics: PulledDiagnostics,
 983    },
 984}
 985
 986#[derive(Clone, Debug)]
 987pub enum PulledDiagnostics {
 988    Unchanged {
 989        /// An ID the current pulled batch for this file.
 990        /// If given, can be used to query workspace diagnostics partially.
 991        result_id: String,
 992    },
 993    Changed {
 994        result_id: Option<String>,
 995        diagnostics: Vec<lsp::Diagnostic>,
 996    },
 997}
 998
 999/// Whether to disable all AI features in Zed.
1000///
1001/// Default: false
1002#[derive(Copy, Clone, Debug)]
1003pub struct DisableAiSettings {
1004    pub disable_ai: bool,
1005}
1006
1007impl settings::Settings for DisableAiSettings {
1008    fn from_settings(content: &settings::SettingsContent) -> Self {
1009        Self {
1010            disable_ai: content.disable_ai.unwrap().0,
1011        }
1012    }
1013}
1014
1015impl Project {
1016    pub fn init_settings(cx: &mut App) {
1017        WorktreeSettings::register(cx);
1018        ProjectSettings::register(cx);
1019        DisableAiSettings::register(cx);
1020        AllAgentServersSettings::register(cx);
1021    }
1022
1023    pub fn init(client: &Arc<Client>, cx: &mut App) {
1024        connection_manager::init(client.clone(), cx);
1025        Self::init_settings(cx);
1026
1027        let client: AnyProtoClient = client.clone().into();
1028        client.add_entity_message_handler(Self::handle_add_collaborator);
1029        client.add_entity_message_handler(Self::handle_update_project_collaborator);
1030        client.add_entity_message_handler(Self::handle_remove_collaborator);
1031        client.add_entity_message_handler(Self::handle_update_project);
1032        client.add_entity_message_handler(Self::handle_unshare_project);
1033        client.add_entity_request_handler(Self::handle_update_buffer);
1034        client.add_entity_message_handler(Self::handle_update_worktree);
1035        client.add_entity_request_handler(Self::handle_synchronize_buffers);
1036
1037        client.add_entity_request_handler(Self::handle_search_candidate_buffers);
1038        client.add_entity_request_handler(Self::handle_open_buffer_by_id);
1039        client.add_entity_request_handler(Self::handle_open_buffer_by_path);
1040        client.add_entity_request_handler(Self::handle_open_new_buffer);
1041        client.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1042        client.add_entity_message_handler(Self::handle_toggle_lsp_logs);
1043
1044        WorktreeStore::init(&client);
1045        BufferStore::init(&client);
1046        LspStore::init(&client);
1047        GitStore::init(&client);
1048        SettingsObserver::init(&client);
1049        TaskStore::init(Some(&client));
1050        ToolchainStore::init(&client);
1051        DapStore::init(&client, cx);
1052        BreakpointStore::init(&client);
1053        context_server_store::init(cx);
1054    }
1055
1056    pub fn local(
1057        client: Arc<Client>,
1058        node: NodeRuntime,
1059        user_store: Entity<UserStore>,
1060        languages: Arc<LanguageRegistry>,
1061        fs: Arc<dyn Fs>,
1062        env: Option<HashMap<String, String>>,
1063        cx: &mut App,
1064    ) -> Entity<Self> {
1065        cx.new(|cx: &mut Context<Self>| {
1066            let (tx, rx) = mpsc::unbounded();
1067            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1068                .detach();
1069            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1070            let worktree_store = cx.new(|_| WorktreeStore::local(false, fs.clone()));
1071            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1072                .detach();
1073
1074            let weak_self = cx.weak_entity();
1075            let context_server_store =
1076                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), weak_self, cx));
1077
1078            let environment = cx.new(|cx| ProjectEnvironment::new(env, cx));
1079            let manifest_tree = ManifestTree::new(worktree_store.clone(), cx);
1080            let toolchain_store = cx.new(|cx| {
1081                ToolchainStore::local(
1082                    languages.clone(),
1083                    worktree_store.clone(),
1084                    environment.clone(),
1085                    manifest_tree.clone(),
1086                    fs.clone(),
1087                    cx,
1088                )
1089            });
1090
1091            let buffer_store = cx.new(|cx| BufferStore::local(worktree_store.clone(), cx));
1092            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1093                .detach();
1094
1095            let breakpoint_store =
1096                cx.new(|_| BreakpointStore::local(worktree_store.clone(), buffer_store.clone()));
1097
1098            let dap_store = cx.new(|cx| {
1099                DapStore::new_local(
1100                    client.http_client(),
1101                    node.clone(),
1102                    fs.clone(),
1103                    environment.clone(),
1104                    toolchain_store.read(cx).as_language_toolchain_store(),
1105                    worktree_store.clone(),
1106                    breakpoint_store.clone(),
1107                    false,
1108                    cx,
1109                )
1110            });
1111            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1112
1113            let image_store = cx.new(|cx| ImageStore::local(worktree_store.clone(), cx));
1114            cx.subscribe(&image_store, Self::on_image_store_event)
1115                .detach();
1116
1117            let prettier_store = cx.new(|cx| {
1118                PrettierStore::new(
1119                    node.clone(),
1120                    fs.clone(),
1121                    languages.clone(),
1122                    worktree_store.clone(),
1123                    cx,
1124                )
1125            });
1126
1127            let task_store = cx.new(|cx| {
1128                TaskStore::local(
1129                    buffer_store.downgrade(),
1130                    worktree_store.clone(),
1131                    toolchain_store.read(cx).as_language_toolchain_store(),
1132                    environment.clone(),
1133                    cx,
1134                )
1135            });
1136
1137            let settings_observer = cx.new(|cx| {
1138                SettingsObserver::new_local(
1139                    fs.clone(),
1140                    worktree_store.clone(),
1141                    task_store.clone(),
1142                    cx,
1143                )
1144            });
1145            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1146                .detach();
1147
1148            let lsp_store = cx.new(|cx| {
1149                LspStore::new_local(
1150                    buffer_store.clone(),
1151                    worktree_store.clone(),
1152                    prettier_store.clone(),
1153                    toolchain_store
1154                        .read(cx)
1155                        .as_local_store()
1156                        .expect("Toolchain store to be local")
1157                        .clone(),
1158                    environment.clone(),
1159                    manifest_tree,
1160                    languages.clone(),
1161                    client.http_client(),
1162                    fs.clone(),
1163                    cx,
1164                )
1165            });
1166
1167            let git_store = cx.new(|cx| {
1168                GitStore::local(
1169                    &worktree_store,
1170                    buffer_store.clone(),
1171                    environment.clone(),
1172                    fs.clone(),
1173                    cx,
1174                )
1175            });
1176
1177            let agent_server_store = cx.new(|cx| {
1178                AgentServerStore::local(
1179                    node.clone(),
1180                    fs.clone(),
1181                    environment.clone(),
1182                    client.http_client(),
1183                    cx,
1184                )
1185            });
1186
1187            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1188
1189            Self {
1190                buffer_ordered_messages_tx: tx,
1191                collaborators: Default::default(),
1192                worktree_store,
1193                buffer_store,
1194                image_store,
1195                lsp_store,
1196                context_server_store,
1197                join_project_response_message_id: 0,
1198                client_state: ProjectClientState::Local,
1199                git_store,
1200                client_subscriptions: Vec::new(),
1201                _subscriptions: vec![cx.on_release(Self::release)],
1202                active_entry: None,
1203                snippets,
1204                languages,
1205                collab_client: client,
1206                task_store,
1207                user_store,
1208                settings_observer,
1209                fs,
1210                remote_client: None,
1211                breakpoint_store,
1212                dap_store,
1213                agent_server_store,
1214
1215                buffers_needing_diff: Default::default(),
1216                git_diff_debouncer: DebouncedDelay::new(),
1217                terminals: Terminals {
1218                    local_handles: Vec::new(),
1219                },
1220                node: Some(node),
1221                search_history: Self::new_search_history(),
1222                environment,
1223                remotely_created_models: Default::default(),
1224
1225                search_included_history: Self::new_search_history(),
1226                search_excluded_history: Self::new_search_history(),
1227
1228                toolchain_store: Some(toolchain_store),
1229
1230                agent_location: None,
1231                encoding: Arc::new(std::sync::Mutex::new(encoding_rs::UTF_8)),
1232            }
1233        })
1234    }
1235
1236    pub fn remote(
1237        remote: Entity<RemoteClient>,
1238        client: Arc<Client>,
1239        node: NodeRuntime,
1240        user_store: Entity<UserStore>,
1241        languages: Arc<LanguageRegistry>,
1242        fs: Arc<dyn Fs>,
1243        cx: &mut App,
1244    ) -> Entity<Self> {
1245        cx.new(|cx: &mut Context<Self>| {
1246            let (tx, rx) = mpsc::unbounded();
1247            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1248                .detach();
1249            let global_snippets_dir = paths::snippets_dir().to_owned();
1250            let snippets =
1251                SnippetProvider::new(fs.clone(), BTreeSet::from_iter([global_snippets_dir]), cx);
1252
1253            let (remote_proto, path_style) =
1254                remote.read_with(cx, |remote, _| (remote.proto_client(), remote.path_style()));
1255            let worktree_store = cx.new(|_| {
1256                WorktreeStore::remote(
1257                    false,
1258                    remote_proto.clone(),
1259                    REMOTE_SERVER_PROJECT_ID,
1260                    path_style,
1261                )
1262            });
1263            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1264                .detach();
1265
1266            let weak_self = cx.weak_entity();
1267            let context_server_store =
1268                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), weak_self, cx));
1269
1270            let buffer_store = cx.new(|cx| {
1271                BufferStore::remote(
1272                    worktree_store.clone(),
1273                    remote.read(cx).proto_client(),
1274                    REMOTE_SERVER_PROJECT_ID,
1275                    cx,
1276                )
1277            });
1278            let image_store = cx.new(|cx| {
1279                ImageStore::remote(
1280                    worktree_store.clone(),
1281                    remote.read(cx).proto_client(),
1282                    REMOTE_SERVER_PROJECT_ID,
1283                    cx,
1284                )
1285            });
1286            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1287                .detach();
1288            let toolchain_store = cx.new(|cx| {
1289                ToolchainStore::remote(REMOTE_SERVER_PROJECT_ID, remote.read(cx).proto_client(), cx)
1290            });
1291            let task_store = cx.new(|cx| {
1292                TaskStore::remote(
1293                    buffer_store.downgrade(),
1294                    worktree_store.clone(),
1295                    toolchain_store.read(cx).as_language_toolchain_store(),
1296                    remote.read(cx).proto_client(),
1297                    REMOTE_SERVER_PROJECT_ID,
1298                    cx,
1299                )
1300            });
1301
1302            let settings_observer = cx.new(|cx| {
1303                SettingsObserver::new_remote(
1304                    fs.clone(),
1305                    worktree_store.clone(),
1306                    task_store.clone(),
1307                    Some(remote_proto.clone()),
1308                    cx,
1309                )
1310            });
1311            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1312                .detach();
1313
1314            let environment = cx.new(|cx| ProjectEnvironment::new(None, cx));
1315
1316            let lsp_store = cx.new(|cx| {
1317                LspStore::new_remote(
1318                    buffer_store.clone(),
1319                    worktree_store.clone(),
1320                    languages.clone(),
1321                    remote_proto.clone(),
1322                    REMOTE_SERVER_PROJECT_ID,
1323                    cx,
1324                )
1325            });
1326            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1327
1328            let breakpoint_store =
1329                cx.new(|_| BreakpointStore::remote(REMOTE_SERVER_PROJECT_ID, remote_proto.clone()));
1330
1331            let dap_store = cx.new(|cx| {
1332                DapStore::new_remote(
1333                    REMOTE_SERVER_PROJECT_ID,
1334                    remote.clone(),
1335                    breakpoint_store.clone(),
1336                    worktree_store.clone(),
1337                    node.clone(),
1338                    client.http_client(),
1339                    fs.clone(),
1340                    cx,
1341                )
1342            });
1343
1344            let git_store = cx.new(|cx| {
1345                GitStore::remote(
1346                    &worktree_store,
1347                    buffer_store.clone(),
1348                    remote_proto.clone(),
1349                    REMOTE_SERVER_PROJECT_ID,
1350                    cx,
1351                )
1352            });
1353
1354            let agent_server_store =
1355                cx.new(|_| AgentServerStore::remote(REMOTE_SERVER_PROJECT_ID, remote.clone()));
1356
1357            cx.subscribe(&remote, Self::on_remote_client_event).detach();
1358
1359            let this = Self {
1360                buffer_ordered_messages_tx: tx,
1361                collaborators: Default::default(),
1362                worktree_store,
1363                buffer_store,
1364                image_store,
1365                lsp_store,
1366                context_server_store,
1367                breakpoint_store,
1368                dap_store,
1369                join_project_response_message_id: 0,
1370                client_state: ProjectClientState::Local,
1371                git_store,
1372                agent_server_store,
1373                client_subscriptions: Vec::new(),
1374                _subscriptions: vec![
1375                    cx.on_release(Self::release),
1376                    cx.on_app_quit(|this, cx| {
1377                        let shutdown = this.remote_client.take().and_then(|client| {
1378                            client.update(cx, |client, cx| {
1379                                client.shutdown_processes(
1380                                    Some(proto::ShutdownRemoteServer {}),
1381                                    cx.background_executor().clone(),
1382                                )
1383                            })
1384                        });
1385
1386                        cx.background_executor().spawn(async move {
1387                            if let Some(shutdown) = shutdown {
1388                                shutdown.await;
1389                            }
1390                        })
1391                    }),
1392                ],
1393                active_entry: None,
1394                snippets,
1395                languages,
1396                collab_client: client,
1397                task_store,
1398                user_store,
1399                settings_observer,
1400                fs,
1401                remote_client: Some(remote.clone()),
1402                buffers_needing_diff: Default::default(),
1403                git_diff_debouncer: DebouncedDelay::new(),
1404                terminals: Terminals {
1405                    local_handles: Vec::new(),
1406                },
1407                node: Some(node),
1408                search_history: Self::new_search_history(),
1409                environment,
1410                remotely_created_models: Default::default(),
1411
1412                search_included_history: Self::new_search_history(),
1413                search_excluded_history: Self::new_search_history(),
1414
1415                toolchain_store: Some(toolchain_store),
1416                agent_location: None,
1417                encoding: Arc::new(std::sync::Mutex::new(encoding_rs::UTF_8)),
1418            };
1419
1420            // remote server -> local machine handlers
1421            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &cx.entity());
1422            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.buffer_store);
1423            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.worktree_store);
1424            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.lsp_store);
1425            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.dap_store);
1426            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.settings_observer);
1427            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.git_store);
1428            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.agent_server_store);
1429
1430            remote_proto.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1431            remote_proto.add_entity_message_handler(Self::handle_update_worktree);
1432            remote_proto.add_entity_message_handler(Self::handle_update_project);
1433            remote_proto.add_entity_message_handler(Self::handle_toast);
1434            remote_proto.add_entity_request_handler(Self::handle_language_server_prompt_request);
1435            remote_proto.add_entity_message_handler(Self::handle_hide_toast);
1436            remote_proto.add_entity_request_handler(Self::handle_update_buffer_from_remote_server);
1437            BufferStore::init(&remote_proto);
1438            LspStore::init(&remote_proto);
1439            SettingsObserver::init(&remote_proto);
1440            TaskStore::init(Some(&remote_proto));
1441            ToolchainStore::init(&remote_proto);
1442            DapStore::init(&remote_proto, cx);
1443            GitStore::init(&remote_proto);
1444            AgentServerStore::init_remote(&remote_proto);
1445
1446            this
1447        })
1448    }
1449
1450    pub async fn in_room(
1451        remote_id: u64,
1452        client: Arc<Client>,
1453        user_store: Entity<UserStore>,
1454        languages: Arc<LanguageRegistry>,
1455        fs: Arc<dyn Fs>,
1456        cx: AsyncApp,
1457    ) -> Result<Entity<Self>> {
1458        client.connect(true, &cx).await.into_response()?;
1459
1460        let subscriptions = [
1461            EntitySubscription::Project(client.subscribe_to_entity::<Self>(remote_id)?),
1462            EntitySubscription::BufferStore(client.subscribe_to_entity::<BufferStore>(remote_id)?),
1463            EntitySubscription::GitStore(client.subscribe_to_entity::<GitStore>(remote_id)?),
1464            EntitySubscription::WorktreeStore(
1465                client.subscribe_to_entity::<WorktreeStore>(remote_id)?,
1466            ),
1467            EntitySubscription::LspStore(client.subscribe_to_entity::<LspStore>(remote_id)?),
1468            EntitySubscription::SettingsObserver(
1469                client.subscribe_to_entity::<SettingsObserver>(remote_id)?,
1470            ),
1471            EntitySubscription::DapStore(client.subscribe_to_entity::<DapStore>(remote_id)?),
1472        ];
1473        let committer = get_git_committer(&cx).await;
1474        let response = client
1475            .request_envelope(proto::JoinProject {
1476                project_id: remote_id,
1477                committer_email: committer.email,
1478                committer_name: committer.name,
1479            })
1480            .await?;
1481        Self::from_join_project_response(
1482            response,
1483            subscriptions,
1484            client,
1485            false,
1486            user_store,
1487            languages,
1488            fs,
1489            cx,
1490        )
1491        .await
1492    }
1493
1494    async fn from_join_project_response(
1495        response: TypedEnvelope<proto::JoinProjectResponse>,
1496        subscriptions: [EntitySubscription; 7],
1497        client: Arc<Client>,
1498        run_tasks: bool,
1499        user_store: Entity<UserStore>,
1500        languages: Arc<LanguageRegistry>,
1501        fs: Arc<dyn Fs>,
1502        mut cx: AsyncApp,
1503    ) -> Result<Entity<Self>> {
1504        let remote_id = response.payload.project_id;
1505        let role = response.payload.role();
1506
1507        let path_style = if response.payload.windows_paths {
1508            PathStyle::Windows
1509        } else {
1510            PathStyle::Posix
1511        };
1512
1513        let worktree_store = cx.new(|_| {
1514            WorktreeStore::remote(
1515                true,
1516                client.clone().into(),
1517                response.payload.project_id,
1518                path_style,
1519            )
1520        })?;
1521        let buffer_store = cx.new(|cx| {
1522            BufferStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1523        })?;
1524        let image_store = cx.new(|cx| {
1525            ImageStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1526        })?;
1527
1528        let environment = cx.new(|cx| ProjectEnvironment::new(None, cx))?;
1529
1530        let breakpoint_store =
1531            cx.new(|_| BreakpointStore::remote(remote_id, client.clone().into()))?;
1532        let dap_store = cx.new(|cx| {
1533            DapStore::new_collab(
1534                remote_id,
1535                client.clone().into(),
1536                breakpoint_store.clone(),
1537                worktree_store.clone(),
1538                fs.clone(),
1539                cx,
1540            )
1541        })?;
1542
1543        let lsp_store = cx.new(|cx| {
1544            LspStore::new_remote(
1545                buffer_store.clone(),
1546                worktree_store.clone(),
1547                languages.clone(),
1548                client.clone().into(),
1549                remote_id,
1550                cx,
1551            )
1552        })?;
1553
1554        let task_store = cx.new(|cx| {
1555            if run_tasks {
1556                TaskStore::remote(
1557                    buffer_store.downgrade(),
1558                    worktree_store.clone(),
1559                    Arc::new(EmptyToolchainStore),
1560                    client.clone().into(),
1561                    remote_id,
1562                    cx,
1563                )
1564            } else {
1565                TaskStore::Noop
1566            }
1567        })?;
1568
1569        let settings_observer = cx.new(|cx| {
1570            SettingsObserver::new_remote(
1571                fs.clone(),
1572                worktree_store.clone(),
1573                task_store.clone(),
1574                None,
1575                cx,
1576            )
1577        })?;
1578
1579        let git_store = cx.new(|cx| {
1580            GitStore::remote(
1581                // In this remote case we pass None for the environment
1582                &worktree_store,
1583                buffer_store.clone(),
1584                client.clone().into(),
1585                remote_id,
1586                cx,
1587            )
1588        })?;
1589
1590        let agent_server_store = cx.new(|cx| AgentServerStore::collab(cx))?;
1591        let replica_id = ReplicaId::new(response.payload.replica_id as u16);
1592
1593        let project = cx.new(|cx| {
1594            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1595
1596            let weak_self = cx.weak_entity();
1597            let context_server_store =
1598                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), weak_self, cx));
1599
1600            let mut worktrees = Vec::new();
1601            for worktree in response.payload.worktrees {
1602                let worktree = Worktree::remote(
1603                    remote_id,
1604                    replica_id,
1605                    worktree,
1606                    client.clone().into(),
1607                    path_style,
1608                    cx,
1609                );
1610                worktrees.push(worktree);
1611            }
1612
1613            let (tx, rx) = mpsc::unbounded();
1614            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1615                .detach();
1616
1617            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1618                .detach();
1619
1620            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1621                .detach();
1622            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1623            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1624                .detach();
1625
1626            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1627
1628            let mut project = Self {
1629                buffer_ordered_messages_tx: tx,
1630                buffer_store: buffer_store.clone(),
1631                image_store,
1632                worktree_store: worktree_store.clone(),
1633                lsp_store: lsp_store.clone(),
1634                context_server_store,
1635                active_entry: None,
1636                collaborators: Default::default(),
1637                join_project_response_message_id: response.message_id,
1638                languages,
1639                user_store: user_store.clone(),
1640                task_store,
1641                snippets,
1642                fs,
1643                remote_client: None,
1644                settings_observer: settings_observer.clone(),
1645                client_subscriptions: Default::default(),
1646                _subscriptions: vec![cx.on_release(Self::release)],
1647                collab_client: client.clone(),
1648                client_state: ProjectClientState::Remote {
1649                    sharing_has_stopped: false,
1650                    capability: Capability::ReadWrite,
1651                    remote_id,
1652                    replica_id,
1653                },
1654                breakpoint_store,
1655                dap_store: dap_store.clone(),
1656                git_store: git_store.clone(),
1657                agent_server_store,
1658                buffers_needing_diff: Default::default(),
1659                git_diff_debouncer: DebouncedDelay::new(),
1660                terminals: Terminals {
1661                    local_handles: Vec::new(),
1662                },
1663                node: None,
1664                search_history: Self::new_search_history(),
1665                search_included_history: Self::new_search_history(),
1666                search_excluded_history: Self::new_search_history(),
1667                environment,
1668                remotely_created_models: Arc::new(Mutex::new(RemotelyCreatedModels::default())),
1669                toolchain_store: None,
1670                agent_location: None,
1671                encoding: Arc::new(std::sync::Mutex::new(encoding_rs::UTF_8)),
1672            };
1673            project.set_role(role, cx);
1674            for worktree in worktrees {
1675                project.add_worktree(&worktree, cx);
1676            }
1677            project
1678        })?;
1679
1680        let weak_project = project.downgrade();
1681        lsp_store
1682            .update(&mut cx, |lsp_store, cx| {
1683                lsp_store.set_language_server_statuses_from_proto(
1684                    weak_project,
1685                    response.payload.language_servers,
1686                    response.payload.language_server_capabilities,
1687                    cx,
1688                );
1689            })
1690            .ok();
1691
1692        let subscriptions = subscriptions
1693            .into_iter()
1694            .map(|s| match s {
1695                EntitySubscription::BufferStore(subscription) => {
1696                    subscription.set_entity(&buffer_store, &cx)
1697                }
1698                EntitySubscription::WorktreeStore(subscription) => {
1699                    subscription.set_entity(&worktree_store, &cx)
1700                }
1701                EntitySubscription::GitStore(subscription) => {
1702                    subscription.set_entity(&git_store, &cx)
1703                }
1704                EntitySubscription::SettingsObserver(subscription) => {
1705                    subscription.set_entity(&settings_observer, &cx)
1706                }
1707                EntitySubscription::Project(subscription) => subscription.set_entity(&project, &cx),
1708                EntitySubscription::LspStore(subscription) => {
1709                    subscription.set_entity(&lsp_store, &cx)
1710                }
1711                EntitySubscription::DapStore(subscription) => {
1712                    subscription.set_entity(&dap_store, &cx)
1713                }
1714            })
1715            .collect::<Vec<_>>();
1716
1717        let user_ids = response
1718            .payload
1719            .collaborators
1720            .iter()
1721            .map(|peer| peer.user_id)
1722            .collect();
1723        user_store
1724            .update(&mut cx, |user_store, cx| user_store.get_users(user_ids, cx))?
1725            .await?;
1726
1727        project.update(&mut cx, |this, cx| {
1728            this.set_collaborators_from_proto(response.payload.collaborators, cx)?;
1729            this.client_subscriptions.extend(subscriptions);
1730            anyhow::Ok(())
1731        })??;
1732
1733        Ok(project)
1734    }
1735
1736    fn new_search_history() -> SearchHistory {
1737        SearchHistory::new(
1738            Some(MAX_PROJECT_SEARCH_HISTORY_SIZE),
1739            search_history::QueryInsertionBehavior::AlwaysInsert,
1740        )
1741    }
1742
1743    fn release(&mut self, cx: &mut App) {
1744        if let Some(client) = self.remote_client.take() {
1745            let shutdown = client.update(cx, |client, cx| {
1746                client.shutdown_processes(
1747                    Some(proto::ShutdownRemoteServer {}),
1748                    cx.background_executor().clone(),
1749                )
1750            });
1751
1752            cx.background_spawn(async move {
1753                if let Some(shutdown) = shutdown {
1754                    shutdown.await;
1755                }
1756            })
1757            .detach()
1758        }
1759
1760        match &self.client_state {
1761            ProjectClientState::Local => {}
1762            ProjectClientState::Shared { .. } => {
1763                let _ = self.unshare_internal(cx);
1764            }
1765            ProjectClientState::Remote { remote_id, .. } => {
1766                let _ = self.collab_client.send(proto::LeaveProject {
1767                    project_id: *remote_id,
1768                });
1769                self.disconnected_from_host_internal(cx);
1770            }
1771        }
1772    }
1773
1774    #[cfg(any(test, feature = "test-support"))]
1775    pub async fn example(
1776        root_paths: impl IntoIterator<Item = &Path>,
1777        cx: &mut AsyncApp,
1778    ) -> Entity<Project> {
1779        use clock::FakeSystemClock;
1780
1781        let fs = Arc::new(RealFs::new(None, cx.background_executor().clone()));
1782        let languages = LanguageRegistry::test(cx.background_executor().clone());
1783        let clock = Arc::new(FakeSystemClock::new());
1784        let http_client = http_client::FakeHttpClient::with_404_response();
1785        let client = cx
1786            .update(|cx| client::Client::new(clock, http_client.clone(), cx))
1787            .unwrap();
1788        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx)).unwrap();
1789        let project = cx
1790            .update(|cx| {
1791                Project::local(
1792                    client,
1793                    node_runtime::NodeRuntime::unavailable(),
1794                    user_store,
1795                    Arc::new(languages),
1796                    fs,
1797                    None,
1798                    cx,
1799                )
1800            })
1801            .unwrap();
1802        for path in root_paths {
1803            let (tree, _) = project
1804                .update(cx, |project, cx| {
1805                    project.find_or_create_worktree(path, true, cx)
1806                })
1807                .unwrap()
1808                .await
1809                .unwrap();
1810            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
1811                .unwrap()
1812                .await;
1813        }
1814        project
1815    }
1816
1817    #[cfg(any(test, feature = "test-support"))]
1818    pub async fn test(
1819        fs: Arc<dyn Fs>,
1820        root_paths: impl IntoIterator<Item = &Path>,
1821        cx: &mut gpui::TestAppContext,
1822    ) -> Entity<Project> {
1823        use clock::FakeSystemClock;
1824
1825        let languages = LanguageRegistry::test(cx.executor());
1826        let clock = Arc::new(FakeSystemClock::new());
1827        let http_client = http_client::FakeHttpClient::with_404_response();
1828        let client = cx.update(|cx| client::Client::new(clock, http_client.clone(), cx));
1829        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
1830        let project = cx.update(|cx| {
1831            Project::local(
1832                client,
1833                node_runtime::NodeRuntime::unavailable(),
1834                user_store,
1835                Arc::new(languages),
1836                fs,
1837                None,
1838                cx,
1839            )
1840        });
1841        for path in root_paths {
1842            let (tree, _) = project
1843                .update(cx, |project, cx| {
1844                    project.find_or_create_worktree(path, true, cx)
1845                })
1846                .await
1847                .unwrap();
1848
1849            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
1850                .await;
1851        }
1852        project
1853    }
1854
1855    #[inline]
1856    pub fn dap_store(&self) -> Entity<DapStore> {
1857        self.dap_store.clone()
1858    }
1859
1860    #[inline]
1861    pub fn breakpoint_store(&self) -> Entity<BreakpointStore> {
1862        self.breakpoint_store.clone()
1863    }
1864
1865    pub fn active_debug_session(&self, cx: &App) -> Option<(Entity<Session>, ActiveStackFrame)> {
1866        let active_position = self.breakpoint_store.read(cx).active_position()?;
1867        let session = self
1868            .dap_store
1869            .read(cx)
1870            .session_by_id(active_position.session_id)?;
1871        Some((session, active_position.clone()))
1872    }
1873
1874    #[inline]
1875    pub fn lsp_store(&self) -> Entity<LspStore> {
1876        self.lsp_store.clone()
1877    }
1878
1879    #[inline]
1880    pub fn worktree_store(&self) -> Entity<WorktreeStore> {
1881        self.worktree_store.clone()
1882    }
1883
1884    #[inline]
1885    pub fn context_server_store(&self) -> Entity<ContextServerStore> {
1886        self.context_server_store.clone()
1887    }
1888
1889    #[inline]
1890    pub fn buffer_for_id(&self, remote_id: BufferId, cx: &App) -> Option<Entity<Buffer>> {
1891        self.buffer_store.read(cx).get(remote_id)
1892    }
1893
1894    #[inline]
1895    pub fn languages(&self) -> &Arc<LanguageRegistry> {
1896        &self.languages
1897    }
1898
1899    #[inline]
1900    pub fn client(&self) -> Arc<Client> {
1901        self.collab_client.clone()
1902    }
1903
1904    #[inline]
1905    pub fn remote_client(&self) -> Option<Entity<RemoteClient>> {
1906        self.remote_client.clone()
1907    }
1908
1909    #[inline]
1910    pub fn user_store(&self) -> Entity<UserStore> {
1911        self.user_store.clone()
1912    }
1913
1914    #[inline]
1915    pub fn node_runtime(&self) -> Option<&NodeRuntime> {
1916        self.node.as_ref()
1917    }
1918
1919    #[inline]
1920    pub fn opened_buffers(&self, cx: &App) -> Vec<Entity<Buffer>> {
1921        self.buffer_store.read(cx).buffers().collect()
1922    }
1923
1924    #[inline]
1925    pub fn environment(&self) -> &Entity<ProjectEnvironment> {
1926        &self.environment
1927    }
1928
1929    #[inline]
1930    pub fn cli_environment(&self, cx: &App) -> Option<HashMap<String, String>> {
1931        self.environment.read(cx).get_cli_environment()
1932    }
1933
1934    pub fn buffer_environment<'a>(
1935        &'a self,
1936        buffer: &Entity<Buffer>,
1937        worktree_store: &Entity<WorktreeStore>,
1938        cx: &'a mut App,
1939    ) -> Shared<Task<Option<HashMap<String, String>>>> {
1940        self.environment.update(cx, |environment, cx| {
1941            environment.get_buffer_environment(buffer, worktree_store, cx)
1942        })
1943    }
1944
1945    pub fn directory_environment(
1946        &self,
1947        shell: &Shell,
1948        abs_path: Arc<Path>,
1949        cx: &mut App,
1950    ) -> Shared<Task<Option<HashMap<String, String>>>> {
1951        self.environment.update(cx, |environment, cx| {
1952            if let Some(remote_client) = self.remote_client.clone() {
1953                environment.get_remote_directory_environment(shell, abs_path, remote_client, cx)
1954            } else {
1955                environment.get_local_directory_environment(shell, abs_path, cx)
1956            }
1957        })
1958    }
1959
1960    #[inline]
1961    pub fn peek_environment_error<'a>(&'a self, cx: &'a App) -> Option<&'a String> {
1962        self.environment.read(cx).peek_environment_error()
1963    }
1964
1965    #[inline]
1966    pub fn pop_environment_error(&mut self, cx: &mut Context<Self>) {
1967        self.environment.update(cx, |environment, _| {
1968            environment.pop_environment_error();
1969        });
1970    }
1971
1972    #[cfg(any(test, feature = "test-support"))]
1973    #[inline]
1974    pub fn has_open_buffer(&self, path: impl Into<ProjectPath>, cx: &App) -> bool {
1975        self.buffer_store
1976            .read(cx)
1977            .get_by_path(&path.into())
1978            .is_some()
1979    }
1980
1981    #[inline]
1982    pub fn fs(&self) -> &Arc<dyn Fs> {
1983        &self.fs
1984    }
1985
1986    #[inline]
1987    pub fn remote_id(&self) -> Option<u64> {
1988        match self.client_state {
1989            ProjectClientState::Local => None,
1990            ProjectClientState::Shared { remote_id, .. }
1991            | ProjectClientState::Remote { remote_id, .. } => Some(remote_id),
1992        }
1993    }
1994
1995    #[inline]
1996    pub fn supports_terminal(&self, _cx: &App) -> bool {
1997        if self.is_local() {
1998            return true;
1999        }
2000        if self.is_via_remote_server() {
2001            return true;
2002        }
2003
2004        false
2005    }
2006
2007    #[inline]
2008    pub fn remote_connection_state(&self, cx: &App) -> Option<remote::ConnectionState> {
2009        self.remote_client
2010            .as_ref()
2011            .map(|remote| remote.read(cx).connection_state())
2012    }
2013
2014    #[inline]
2015    pub fn remote_connection_options(&self, cx: &App) -> Option<RemoteConnectionOptions> {
2016        self.remote_client
2017            .as_ref()
2018            .map(|remote| remote.read(cx).connection_options())
2019    }
2020
2021    #[inline]
2022    pub fn replica_id(&self) -> ReplicaId {
2023        match self.client_state {
2024            ProjectClientState::Remote { replica_id, .. } => replica_id,
2025            _ => {
2026                if self.remote_client.is_some() {
2027                    ReplicaId::REMOTE_SERVER
2028                } else {
2029                    ReplicaId::LOCAL
2030                }
2031            }
2032        }
2033    }
2034
2035    #[inline]
2036    pub fn task_store(&self) -> &Entity<TaskStore> {
2037        &self.task_store
2038    }
2039
2040    #[inline]
2041    pub fn snippets(&self) -> &Entity<SnippetProvider> {
2042        &self.snippets
2043    }
2044
2045    #[inline]
2046    pub fn search_history(&self, kind: SearchInputKind) -> &SearchHistory {
2047        match kind {
2048            SearchInputKind::Query => &self.search_history,
2049            SearchInputKind::Include => &self.search_included_history,
2050            SearchInputKind::Exclude => &self.search_excluded_history,
2051        }
2052    }
2053
2054    #[inline]
2055    pub fn search_history_mut(&mut self, kind: SearchInputKind) -> &mut SearchHistory {
2056        match kind {
2057            SearchInputKind::Query => &mut self.search_history,
2058            SearchInputKind::Include => &mut self.search_included_history,
2059            SearchInputKind::Exclude => &mut self.search_excluded_history,
2060        }
2061    }
2062
2063    #[inline]
2064    pub fn collaborators(&self) -> &HashMap<proto::PeerId, Collaborator> {
2065        &self.collaborators
2066    }
2067
2068    #[inline]
2069    pub fn host(&self) -> Option<&Collaborator> {
2070        self.collaborators.values().find(|c| c.is_host)
2071    }
2072
2073    #[inline]
2074    pub fn set_worktrees_reordered(&mut self, worktrees_reordered: bool, cx: &mut App) {
2075        self.worktree_store.update(cx, |store, _| {
2076            store.set_worktrees_reordered(worktrees_reordered);
2077        });
2078    }
2079
2080    /// Collect all worktrees, including ones that don't appear in the project panel
2081    #[inline]
2082    pub fn worktrees<'a>(
2083        &self,
2084        cx: &'a App,
2085    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
2086        self.worktree_store.read(cx).worktrees()
2087    }
2088
2089    /// Collect all user-visible worktrees, the ones that appear in the project panel.
2090    #[inline]
2091    pub fn visible_worktrees<'a>(
2092        &'a self,
2093        cx: &'a App,
2094    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
2095        self.worktree_store.read(cx).visible_worktrees(cx)
2096    }
2097
2098    #[inline]
2099    pub fn worktree_for_root_name(&self, root_name: &str, cx: &App) -> Option<Entity<Worktree>> {
2100        self.visible_worktrees(cx)
2101            .find(|tree| tree.read(cx).root_name() == root_name)
2102    }
2103
2104    #[inline]
2105    pub fn worktree_root_names<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = &'a str> {
2106        self.visible_worktrees(cx)
2107            .map(|tree| tree.read(cx).root_name().as_unix_str())
2108    }
2109
2110    #[inline]
2111    pub fn worktree_for_id(&self, id: WorktreeId, cx: &App) -> Option<Entity<Worktree>> {
2112        self.worktree_store.read(cx).worktree_for_id(id, cx)
2113    }
2114
2115    pub fn worktree_for_entry(
2116        &self,
2117        entry_id: ProjectEntryId,
2118        cx: &App,
2119    ) -> Option<Entity<Worktree>> {
2120        self.worktree_store
2121            .read(cx)
2122            .worktree_for_entry(entry_id, cx)
2123    }
2124
2125    #[inline]
2126    pub fn worktree_id_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<WorktreeId> {
2127        self.worktree_for_entry(entry_id, cx)
2128            .map(|worktree| worktree.read(cx).id())
2129    }
2130
2131    /// Checks if the entry is the root of a worktree.
2132    #[inline]
2133    pub fn entry_is_worktree_root(&self, entry_id: ProjectEntryId, cx: &App) -> bool {
2134        self.worktree_for_entry(entry_id, cx)
2135            .map(|worktree| {
2136                worktree
2137                    .read(cx)
2138                    .root_entry()
2139                    .is_some_and(|e| e.id == entry_id)
2140            })
2141            .unwrap_or(false)
2142    }
2143
2144    #[inline]
2145    pub fn project_path_git_status(
2146        &self,
2147        project_path: &ProjectPath,
2148        cx: &App,
2149    ) -> Option<FileStatus> {
2150        self.git_store
2151            .read(cx)
2152            .project_path_git_status(project_path, cx)
2153    }
2154
2155    #[inline]
2156    pub fn visibility_for_paths(
2157        &self,
2158        paths: &[PathBuf],
2159        metadatas: &[Metadata],
2160        exclude_sub_dirs: bool,
2161        cx: &App,
2162    ) -> Option<bool> {
2163        paths
2164            .iter()
2165            .zip(metadatas)
2166            .map(|(path, metadata)| self.visibility_for_path(path, metadata, exclude_sub_dirs, cx))
2167            .max()
2168            .flatten()
2169    }
2170
2171    pub fn visibility_for_path(
2172        &self,
2173        path: &Path,
2174        metadata: &Metadata,
2175        exclude_sub_dirs: bool,
2176        cx: &App,
2177    ) -> Option<bool> {
2178        let path = SanitizedPath::new(path).as_path();
2179        self.worktrees(cx)
2180            .filter_map(|worktree| {
2181                let worktree = worktree.read(cx);
2182                let abs_path = worktree.as_local()?.abs_path();
2183                let contains = path == abs_path.as_ref()
2184                    || (path.starts_with(abs_path) && (!exclude_sub_dirs || !metadata.is_dir));
2185                contains.then(|| worktree.is_visible())
2186            })
2187            .max()
2188    }
2189
2190    pub fn create_entry(
2191        &mut self,
2192        project_path: impl Into<ProjectPath>,
2193        is_directory: bool,
2194        cx: &mut Context<Self>,
2195    ) -> Task<Result<CreatedEntry>> {
2196        let project_path = project_path.into();
2197        let Some(worktree) = self.worktree_for_id(project_path.worktree_id, cx) else {
2198            return Task::ready(Err(anyhow!(format!(
2199                "No worktree for path {project_path:?}"
2200            ))));
2201        };
2202        worktree.update(cx, |worktree, cx| {
2203            worktree.create_entry(project_path.path, is_directory, None, cx)
2204        })
2205    }
2206
2207    #[inline]
2208    pub fn copy_entry(
2209        &mut self,
2210        entry_id: ProjectEntryId,
2211        new_project_path: ProjectPath,
2212        cx: &mut Context<Self>,
2213    ) -> Task<Result<Option<Entry>>> {
2214        self.worktree_store.update(cx, |worktree_store, cx| {
2215            worktree_store.copy_entry(entry_id, new_project_path, cx)
2216        })
2217    }
2218
2219    /// Renames the project entry with given `entry_id`.
2220    ///
2221    /// `new_path` is a relative path to worktree root.
2222    /// If root entry is renamed then its new root name is used instead.
2223    pub fn rename_entry(
2224        &mut self,
2225        entry_id: ProjectEntryId,
2226        new_path: ProjectPath,
2227        cx: &mut Context<Self>,
2228    ) -> Task<Result<CreatedEntry>> {
2229        let worktree_store = self.worktree_store.clone();
2230        let Some((worktree, old_path, is_dir)) = worktree_store
2231            .read(cx)
2232            .worktree_and_entry_for_id(entry_id, cx)
2233            .map(|(worktree, entry)| (worktree, entry.path.clone(), entry.is_dir()))
2234        else {
2235            return Task::ready(Err(anyhow!(format!("No worktree for entry {entry_id:?}"))));
2236        };
2237
2238        let worktree_id = worktree.read(cx).id();
2239        let is_root_entry = self.entry_is_worktree_root(entry_id, cx);
2240
2241        let lsp_store = self.lsp_store().downgrade();
2242        cx.spawn(async move |project, cx| {
2243            let (old_abs_path, new_abs_path) = {
2244                let root_path = worktree.read_with(cx, |this, _| this.abs_path())?;
2245                let new_abs_path = if is_root_entry {
2246                    root_path
2247                        .parent()
2248                        .unwrap()
2249                        .join(new_path.path.as_std_path())
2250                } else {
2251                    root_path.join(&new_path.path.as_std_path())
2252                };
2253                (root_path.join(old_path.as_std_path()), new_abs_path)
2254            };
2255            let transaction = LspStore::will_rename_entry(
2256                lsp_store.clone(),
2257                worktree_id,
2258                &old_abs_path,
2259                &new_abs_path,
2260                is_dir,
2261                cx.clone(),
2262            )
2263            .await;
2264
2265            let entry = worktree_store
2266                .update(cx, |worktree_store, cx| {
2267                    worktree_store.rename_entry(entry_id, new_path.clone(), cx)
2268                })?
2269                .await?;
2270
2271            project
2272                .update(cx, |_, cx| {
2273                    cx.emit(Event::EntryRenamed(transaction));
2274                })
2275                .ok();
2276
2277            lsp_store
2278                .read_with(cx, |this, _| {
2279                    this.did_rename_entry(worktree_id, &old_abs_path, &new_abs_path, is_dir);
2280                })
2281                .ok();
2282            Ok(entry)
2283        })
2284    }
2285
2286    #[inline]
2287    pub fn delete_file(
2288        &mut self,
2289        path: ProjectPath,
2290        trash: bool,
2291        cx: &mut Context<Self>,
2292    ) -> Option<Task<Result<()>>> {
2293        let entry = self.entry_for_path(&path, cx)?;
2294        self.delete_entry(entry.id, trash, cx)
2295    }
2296
2297    #[inline]
2298    pub fn delete_entry(
2299        &mut self,
2300        entry_id: ProjectEntryId,
2301        trash: bool,
2302        cx: &mut Context<Self>,
2303    ) -> Option<Task<Result<()>>> {
2304        let worktree = self.worktree_for_entry(entry_id, cx)?;
2305        cx.emit(Event::DeletedEntry(worktree.read(cx).id(), entry_id));
2306        worktree.update(cx, |worktree, cx| {
2307            worktree.delete_entry(entry_id, trash, cx)
2308        })
2309    }
2310
2311    #[inline]
2312    pub fn expand_entry(
2313        &mut self,
2314        worktree_id: WorktreeId,
2315        entry_id: ProjectEntryId,
2316        cx: &mut Context<Self>,
2317    ) -> Option<Task<Result<()>>> {
2318        let worktree = self.worktree_for_id(worktree_id, cx)?;
2319        worktree.update(cx, |worktree, cx| worktree.expand_entry(entry_id, cx))
2320    }
2321
2322    pub fn expand_all_for_entry(
2323        &mut self,
2324        worktree_id: WorktreeId,
2325        entry_id: ProjectEntryId,
2326        cx: &mut Context<Self>,
2327    ) -> Option<Task<Result<()>>> {
2328        let worktree = self.worktree_for_id(worktree_id, cx)?;
2329        let task = worktree.update(cx, |worktree, cx| {
2330            worktree.expand_all_for_entry(entry_id, cx)
2331        });
2332        Some(cx.spawn(async move |this, cx| {
2333            task.context("no task")?.await?;
2334            this.update(cx, |_, cx| {
2335                cx.emit(Event::ExpandedAllForEntry(worktree_id, entry_id));
2336            })?;
2337            Ok(())
2338        }))
2339    }
2340
2341    pub fn shared(&mut self, project_id: u64, cx: &mut Context<Self>) -> Result<()> {
2342        anyhow::ensure!(
2343            matches!(self.client_state, ProjectClientState::Local),
2344            "project was already shared"
2345        );
2346
2347        self.client_subscriptions.extend([
2348            self.collab_client
2349                .subscribe_to_entity(project_id)?
2350                .set_entity(&cx.entity(), &cx.to_async()),
2351            self.collab_client
2352                .subscribe_to_entity(project_id)?
2353                .set_entity(&self.worktree_store, &cx.to_async()),
2354            self.collab_client
2355                .subscribe_to_entity(project_id)?
2356                .set_entity(&self.buffer_store, &cx.to_async()),
2357            self.collab_client
2358                .subscribe_to_entity(project_id)?
2359                .set_entity(&self.lsp_store, &cx.to_async()),
2360            self.collab_client
2361                .subscribe_to_entity(project_id)?
2362                .set_entity(&self.settings_observer, &cx.to_async()),
2363            self.collab_client
2364                .subscribe_to_entity(project_id)?
2365                .set_entity(&self.dap_store, &cx.to_async()),
2366            self.collab_client
2367                .subscribe_to_entity(project_id)?
2368                .set_entity(&self.breakpoint_store, &cx.to_async()),
2369            self.collab_client
2370                .subscribe_to_entity(project_id)?
2371                .set_entity(&self.git_store, &cx.to_async()),
2372        ]);
2373
2374        self.buffer_store.update(cx, |buffer_store, cx| {
2375            buffer_store.shared(project_id, self.collab_client.clone().into(), cx)
2376        });
2377        self.worktree_store.update(cx, |worktree_store, cx| {
2378            worktree_store.shared(project_id, self.collab_client.clone().into(), cx);
2379        });
2380        self.lsp_store.update(cx, |lsp_store, cx| {
2381            lsp_store.shared(project_id, self.collab_client.clone().into(), cx)
2382        });
2383        self.breakpoint_store.update(cx, |breakpoint_store, _| {
2384            breakpoint_store.shared(project_id, self.collab_client.clone().into())
2385        });
2386        self.dap_store.update(cx, |dap_store, cx| {
2387            dap_store.shared(project_id, self.collab_client.clone().into(), cx);
2388        });
2389        self.task_store.update(cx, |task_store, cx| {
2390            task_store.shared(project_id, self.collab_client.clone().into(), cx);
2391        });
2392        self.settings_observer.update(cx, |settings_observer, cx| {
2393            settings_observer.shared(project_id, self.collab_client.clone().into(), cx)
2394        });
2395        self.git_store.update(cx, |git_store, cx| {
2396            git_store.shared(project_id, self.collab_client.clone().into(), cx)
2397        });
2398
2399        self.client_state = ProjectClientState::Shared {
2400            remote_id: project_id,
2401        };
2402
2403        cx.emit(Event::RemoteIdChanged(Some(project_id)));
2404        Ok(())
2405    }
2406
2407    pub fn reshared(
2408        &mut self,
2409        message: proto::ResharedProject,
2410        cx: &mut Context<Self>,
2411    ) -> Result<()> {
2412        self.buffer_store
2413            .update(cx, |buffer_store, _| buffer_store.forget_shared_buffers());
2414        self.set_collaborators_from_proto(message.collaborators, cx)?;
2415
2416        self.worktree_store.update(cx, |worktree_store, cx| {
2417            worktree_store.send_project_updates(cx);
2418        });
2419        if let Some(remote_id) = self.remote_id() {
2420            self.git_store.update(cx, |git_store, cx| {
2421                git_store.shared(remote_id, self.collab_client.clone().into(), cx)
2422            });
2423        }
2424        cx.emit(Event::Reshared);
2425        Ok(())
2426    }
2427
2428    pub fn rejoined(
2429        &mut self,
2430        message: proto::RejoinedProject,
2431        message_id: u32,
2432        cx: &mut Context<Self>,
2433    ) -> Result<()> {
2434        cx.update_global::<SettingsStore, _>(|store, cx| {
2435            self.worktree_store.update(cx, |worktree_store, cx| {
2436                for worktree in worktree_store.worktrees() {
2437                    store
2438                        .clear_local_settings(worktree.read(cx).id(), cx)
2439                        .log_err();
2440                }
2441            });
2442        });
2443
2444        self.join_project_response_message_id = message_id;
2445        self.set_worktrees_from_proto(message.worktrees, cx)?;
2446        self.set_collaborators_from_proto(message.collaborators, cx)?;
2447
2448        let project = cx.weak_entity();
2449        self.lsp_store.update(cx, |lsp_store, cx| {
2450            lsp_store.set_language_server_statuses_from_proto(
2451                project,
2452                message.language_servers,
2453                message.language_server_capabilities,
2454                cx,
2455            )
2456        });
2457        self.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
2458            .unwrap();
2459        cx.emit(Event::Rejoined);
2460        Ok(())
2461    }
2462
2463    #[inline]
2464    pub fn unshare(&mut self, cx: &mut Context<Self>) -> Result<()> {
2465        self.unshare_internal(cx)?;
2466        cx.emit(Event::RemoteIdChanged(None));
2467        Ok(())
2468    }
2469
2470    fn unshare_internal(&mut self, cx: &mut App) -> Result<()> {
2471        anyhow::ensure!(
2472            !self.is_via_collab(),
2473            "attempted to unshare a remote project"
2474        );
2475
2476        if let ProjectClientState::Shared { remote_id, .. } = self.client_state {
2477            self.client_state = ProjectClientState::Local;
2478            self.collaborators.clear();
2479            self.client_subscriptions.clear();
2480            self.worktree_store.update(cx, |store, cx| {
2481                store.unshared(cx);
2482            });
2483            self.buffer_store.update(cx, |buffer_store, cx| {
2484                buffer_store.forget_shared_buffers();
2485                buffer_store.unshared(cx)
2486            });
2487            self.task_store.update(cx, |task_store, cx| {
2488                task_store.unshared(cx);
2489            });
2490            self.breakpoint_store.update(cx, |breakpoint_store, cx| {
2491                breakpoint_store.unshared(cx);
2492            });
2493            self.dap_store.update(cx, |dap_store, cx| {
2494                dap_store.unshared(cx);
2495            });
2496            self.settings_observer.update(cx, |settings_observer, cx| {
2497                settings_observer.unshared(cx);
2498            });
2499            self.git_store.update(cx, |git_store, cx| {
2500                git_store.unshared(cx);
2501            });
2502
2503            self.collab_client
2504                .send(proto::UnshareProject {
2505                    project_id: remote_id,
2506                })
2507                .ok();
2508            Ok(())
2509        } else {
2510            anyhow::bail!("attempted to unshare an unshared project");
2511        }
2512    }
2513
2514    pub fn disconnected_from_host(&mut self, cx: &mut Context<Self>) {
2515        if self.is_disconnected(cx) {
2516            return;
2517        }
2518        self.disconnected_from_host_internal(cx);
2519        cx.emit(Event::DisconnectedFromHost);
2520    }
2521
2522    pub fn set_role(&mut self, role: proto::ChannelRole, cx: &mut Context<Self>) {
2523        let new_capability =
2524            if role == proto::ChannelRole::Member || role == proto::ChannelRole::Admin {
2525                Capability::ReadWrite
2526            } else {
2527                Capability::ReadOnly
2528            };
2529        if let ProjectClientState::Remote { capability, .. } = &mut self.client_state {
2530            if *capability == new_capability {
2531                return;
2532            }
2533
2534            *capability = new_capability;
2535            for buffer in self.opened_buffers(cx) {
2536                buffer.update(cx, |buffer, cx| buffer.set_capability(new_capability, cx));
2537            }
2538        }
2539    }
2540
2541    fn disconnected_from_host_internal(&mut self, cx: &mut App) {
2542        if let ProjectClientState::Remote {
2543            sharing_has_stopped,
2544            ..
2545        } = &mut self.client_state
2546        {
2547            *sharing_has_stopped = true;
2548            self.collaborators.clear();
2549            self.worktree_store.update(cx, |store, cx| {
2550                store.disconnected_from_host(cx);
2551            });
2552            self.buffer_store.update(cx, |buffer_store, cx| {
2553                buffer_store.disconnected_from_host(cx)
2554            });
2555            self.lsp_store
2556                .update(cx, |lsp_store, _cx| lsp_store.disconnected_from_host());
2557        }
2558    }
2559
2560    #[inline]
2561    pub fn close(&mut self, cx: &mut Context<Self>) {
2562        cx.emit(Event::Closed);
2563    }
2564
2565    #[inline]
2566    pub fn is_disconnected(&self, cx: &App) -> bool {
2567        match &self.client_state {
2568            ProjectClientState::Remote {
2569                sharing_has_stopped,
2570                ..
2571            } => *sharing_has_stopped,
2572            ProjectClientState::Local if self.is_via_remote_server() => {
2573                self.remote_client_is_disconnected(cx)
2574            }
2575            _ => false,
2576        }
2577    }
2578
2579    #[inline]
2580    fn remote_client_is_disconnected(&self, cx: &App) -> bool {
2581        self.remote_client
2582            .as_ref()
2583            .map(|remote| remote.read(cx).is_disconnected())
2584            .unwrap_or(false)
2585    }
2586
2587    #[inline]
2588    pub fn capability(&self) -> Capability {
2589        match &self.client_state {
2590            ProjectClientState::Remote { capability, .. } => *capability,
2591            ProjectClientState::Shared { .. } | ProjectClientState::Local => Capability::ReadWrite,
2592        }
2593    }
2594
2595    #[inline]
2596    pub fn is_read_only(&self, cx: &App) -> bool {
2597        self.is_disconnected(cx) || self.capability() == Capability::ReadOnly
2598    }
2599
2600    #[inline]
2601    pub fn is_local(&self) -> bool {
2602        match &self.client_state {
2603            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2604                self.remote_client.is_none()
2605            }
2606            ProjectClientState::Remote { .. } => false,
2607        }
2608    }
2609
2610    /// Whether this project is a remote server (not counting collab).
2611    #[inline]
2612    pub fn is_via_remote_server(&self) -> bool {
2613        match &self.client_state {
2614            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2615                self.remote_client.is_some()
2616            }
2617            ProjectClientState::Remote { .. } => false,
2618        }
2619    }
2620
2621    /// Whether this project is from collab (not counting remote servers).
2622    #[inline]
2623    pub fn is_via_collab(&self) -> bool {
2624        match &self.client_state {
2625            ProjectClientState::Local | ProjectClientState::Shared { .. } => false,
2626            ProjectClientState::Remote { .. } => true,
2627        }
2628    }
2629
2630    /// `!self.is_local()`
2631    #[inline]
2632    pub fn is_remote(&self) -> bool {
2633        debug_assert_eq!(
2634            !self.is_local(),
2635            self.is_via_collab() || self.is_via_remote_server()
2636        );
2637        !self.is_local()
2638    }
2639
2640    #[inline]
2641    pub fn create_buffer(
2642        &mut self,
2643        searchable: bool,
2644        cx: &mut Context<Self>,
2645    ) -> Task<Result<Entity<Buffer>>> {
2646        self.buffer_store.update(cx, |buffer_store, cx| {
2647            buffer_store.create_buffer(searchable, cx)
2648        })
2649    }
2650
2651    #[inline]
2652    pub fn create_local_buffer(
2653        &mut self,
2654        text: &str,
2655        language: Option<Arc<Language>>,
2656        project_searchable: bool,
2657        cx: &mut Context<Self>,
2658    ) -> Entity<Buffer> {
2659        if self.is_remote() {
2660            panic!("called create_local_buffer on a remote project")
2661        }
2662        self.buffer_store.update(cx, |buffer_store, cx| {
2663            buffer_store.create_local_buffer(text, language, project_searchable, cx)
2664        })
2665    }
2666
2667    pub fn open_path(
2668        &mut self,
2669        path: ProjectPath,
2670        cx: &mut Context<Self>,
2671    ) -> Task<Result<(Option<ProjectEntryId>, Entity<Buffer>)>> {
2672        let task = self.open_buffer(path, cx);
2673        cx.spawn(async move |_project, cx| {
2674            let buffer = task.await?;
2675            let project_entry_id = buffer.read_with(cx, |buffer, _cx| {
2676                File::from_dyn(buffer.file()).and_then(|file| file.project_entry_id())
2677            })?;
2678
2679            Ok((project_entry_id, buffer))
2680        })
2681    }
2682
2683    pub fn open_local_buffer(
2684        &mut self,
2685        abs_path: impl AsRef<Path>,
2686        cx: &mut Context<Self>,
2687    ) -> Task<Result<Entity<Buffer>>> {
2688        let worktree_task = self.find_or_create_worktree(abs_path.as_ref(), false, cx);
2689        cx.spawn(async move |this, cx| {
2690            let (worktree, relative_path) = worktree_task.await?;
2691            this.update(cx, |this, cx| {
2692                this.open_buffer((worktree.read(cx).id(), relative_path), cx)
2693            })?
2694            .await
2695        })
2696    }
2697
2698    #[cfg(any(test, feature = "test-support"))]
2699    pub fn open_local_buffer_with_lsp(
2700        &mut self,
2701        abs_path: impl AsRef<Path>,
2702        cx: &mut Context<Self>,
2703    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
2704        if let Some((worktree, relative_path)) = self.find_worktree(abs_path.as_ref(), cx) {
2705            self.open_buffer_with_lsp((worktree.read(cx).id(), relative_path), cx)
2706        } else {
2707            Task::ready(Err(anyhow!("no such path")))
2708        }
2709    }
2710
2711    pub fn open_buffer(
2712        &mut self,
2713        path: impl Into<ProjectPath>,
2714        cx: &mut App,
2715    ) -> Task<Result<Entity<Buffer>>> {
2716        if self.is_disconnected(cx) {
2717            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2718        }
2719
2720        self.buffer_store.update(cx, |buffer_store, cx| {
2721            buffer_store.open_buffer(
2722                path.into(),
2723                Some(EncodingWrapper::new(self.encoding.lock().as_ref().unwrap())),
2724                cx,
2725            )
2726        })
2727    }
2728
2729    #[cfg(any(test, feature = "test-support"))]
2730    pub fn open_buffer_with_lsp(
2731        &mut self,
2732        path: impl Into<ProjectPath>,
2733        cx: &mut Context<Self>,
2734    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
2735        let buffer = self.open_buffer(path, cx);
2736        cx.spawn(async move |this, cx| {
2737            let buffer = buffer.await?;
2738            let handle = this.update(cx, |project, cx| {
2739                project.register_buffer_with_language_servers(&buffer, cx)
2740            })?;
2741            Ok((buffer, handle))
2742        })
2743    }
2744
2745    pub fn register_buffer_with_language_servers(
2746        &self,
2747        buffer: &Entity<Buffer>,
2748        cx: &mut App,
2749    ) -> OpenLspBufferHandle {
2750        self.lsp_store.update(cx, |lsp_store, cx| {
2751            lsp_store.register_buffer_with_language_servers(buffer, HashSet::default(), false, cx)
2752        })
2753    }
2754
2755    pub fn open_unstaged_diff(
2756        &mut self,
2757        buffer: Entity<Buffer>,
2758        cx: &mut Context<Self>,
2759    ) -> Task<Result<Entity<BufferDiff>>> {
2760        if self.is_disconnected(cx) {
2761            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2762        }
2763        self.git_store
2764            .update(cx, |git_store, cx| git_store.open_unstaged_diff(buffer, cx))
2765    }
2766
2767    pub fn open_uncommitted_diff(
2768        &mut self,
2769        buffer: Entity<Buffer>,
2770        cx: &mut Context<Self>,
2771    ) -> Task<Result<Entity<BufferDiff>>> {
2772        if self.is_disconnected(cx) {
2773            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2774        }
2775        self.git_store.update(cx, |git_store, cx| {
2776            git_store.open_uncommitted_diff(buffer, cx)
2777        })
2778    }
2779
2780    pub fn open_buffer_by_id(
2781        &mut self,
2782        id: BufferId,
2783        cx: &mut Context<Self>,
2784    ) -> Task<Result<Entity<Buffer>>> {
2785        if let Some(buffer) = self.buffer_for_id(id, cx) {
2786            Task::ready(Ok(buffer))
2787        } else if self.is_local() || self.is_via_remote_server() {
2788            Task::ready(Err(anyhow!("buffer {id} does not exist")))
2789        } else if let Some(project_id) = self.remote_id() {
2790            let request = self.collab_client.request(proto::OpenBufferById {
2791                project_id,
2792                id: id.into(),
2793            });
2794            cx.spawn(async move |project, cx| {
2795                let buffer_id = BufferId::new(request.await?.buffer_id)?;
2796                project
2797                    .update(cx, |project, cx| {
2798                        project.buffer_store.update(cx, |buffer_store, cx| {
2799                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
2800                        })
2801                    })?
2802                    .await
2803            })
2804        } else {
2805            Task::ready(Err(anyhow!("cannot open buffer while disconnected")))
2806        }
2807    }
2808
2809    pub fn save_buffers(
2810        &self,
2811        buffers: HashSet<Entity<Buffer>>,
2812        cx: &mut Context<Self>,
2813    ) -> Task<Result<()>> {
2814        cx.spawn(async move |this, cx| {
2815            let save_tasks = buffers.into_iter().filter_map(|buffer| {
2816                this.update(cx, |this, cx| this.save_buffer(buffer, cx))
2817                    .ok()
2818            });
2819            try_join_all(save_tasks).await?;
2820            Ok(())
2821        })
2822    }
2823
2824    pub fn save_buffer(&self, buffer: Entity<Buffer>, cx: &mut Context<Self>) -> Task<Result<()>> {
2825        self.buffer_store
2826            .update(cx, |buffer_store, cx| buffer_store.save_buffer(buffer, cx))
2827    }
2828
2829    pub fn save_buffer_as(
2830        &mut self,
2831        buffer: Entity<Buffer>,
2832        path: ProjectPath,
2833        cx: &mut Context<Self>,
2834    ) -> Task<Result<()>> {
2835        self.buffer_store.update(cx, |buffer_store, cx| {
2836            buffer_store.save_buffer_as(buffer.clone(), path, cx)
2837        })
2838    }
2839
2840    pub fn get_open_buffer(&self, path: &ProjectPath, cx: &App) -> Option<Entity<Buffer>> {
2841        self.buffer_store.read(cx).get_by_path(path)
2842    }
2843
2844    fn register_buffer(&mut self, buffer: &Entity<Buffer>, cx: &mut Context<Self>) -> Result<()> {
2845        {
2846            let mut remotely_created_models = self.remotely_created_models.lock();
2847            if remotely_created_models.retain_count > 0 {
2848                remotely_created_models.buffers.push(buffer.clone())
2849            }
2850        }
2851
2852        self.request_buffer_diff_recalculation(buffer, cx);
2853
2854        cx.subscribe(buffer, |this, buffer, event, cx| {
2855            this.on_buffer_event(buffer, event, cx);
2856        })
2857        .detach();
2858
2859        Ok(())
2860    }
2861
2862    pub fn open_image(
2863        &mut self,
2864        path: impl Into<ProjectPath>,
2865        cx: &mut Context<Self>,
2866    ) -> Task<Result<Entity<ImageItem>>> {
2867        if self.is_disconnected(cx) {
2868            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2869        }
2870
2871        let open_image_task = self.image_store.update(cx, |image_store, cx| {
2872            image_store.open_image(path.into(), cx)
2873        });
2874
2875        let weak_project = cx.entity().downgrade();
2876        cx.spawn(async move |_, cx| {
2877            let image_item = open_image_task.await?;
2878            let project = weak_project.upgrade().context("Project dropped")?;
2879
2880            let metadata = ImageItem::load_image_metadata(image_item.clone(), project, cx).await?;
2881            image_item.update(cx, |image_item, cx| {
2882                image_item.image_metadata = Some(metadata);
2883                cx.emit(ImageItemEvent::MetadataUpdated);
2884            })?;
2885
2886            Ok(image_item)
2887        })
2888    }
2889
2890    async fn send_buffer_ordered_messages(
2891        project: WeakEntity<Self>,
2892        rx: UnboundedReceiver<BufferOrderedMessage>,
2893        cx: &mut AsyncApp,
2894    ) -> Result<()> {
2895        const MAX_BATCH_SIZE: usize = 128;
2896
2897        let mut operations_by_buffer_id = HashMap::default();
2898        async fn flush_operations(
2899            this: &WeakEntity<Project>,
2900            operations_by_buffer_id: &mut HashMap<BufferId, Vec<proto::Operation>>,
2901            needs_resync_with_host: &mut bool,
2902            is_local: bool,
2903            cx: &mut AsyncApp,
2904        ) -> Result<()> {
2905            for (buffer_id, operations) in operations_by_buffer_id.drain() {
2906                let request = this.read_with(cx, |this, _| {
2907                    let project_id = this.remote_id()?;
2908                    Some(this.collab_client.request(proto::UpdateBuffer {
2909                        buffer_id: buffer_id.into(),
2910                        project_id,
2911                        operations,
2912                    }))
2913                })?;
2914                if let Some(request) = request
2915                    && request.await.is_err()
2916                    && !is_local
2917                {
2918                    *needs_resync_with_host = true;
2919                    break;
2920                }
2921            }
2922            Ok(())
2923        }
2924
2925        let mut needs_resync_with_host = false;
2926        let mut changes = rx.ready_chunks(MAX_BATCH_SIZE);
2927
2928        while let Some(changes) = changes.next().await {
2929            let is_local = project.read_with(cx, |this, _| this.is_local())?;
2930
2931            for change in changes {
2932                match change {
2933                    BufferOrderedMessage::Operation {
2934                        buffer_id,
2935                        operation,
2936                    } => {
2937                        if needs_resync_with_host {
2938                            continue;
2939                        }
2940
2941                        operations_by_buffer_id
2942                            .entry(buffer_id)
2943                            .or_insert(Vec::new())
2944                            .push(operation);
2945                    }
2946
2947                    BufferOrderedMessage::Resync => {
2948                        operations_by_buffer_id.clear();
2949                        if project
2950                            .update(cx, |this, cx| this.synchronize_remote_buffers(cx))?
2951                            .await
2952                            .is_ok()
2953                        {
2954                            needs_resync_with_host = false;
2955                        }
2956                    }
2957
2958                    BufferOrderedMessage::LanguageServerUpdate {
2959                        language_server_id,
2960                        message,
2961                        name,
2962                    } => {
2963                        flush_operations(
2964                            &project,
2965                            &mut operations_by_buffer_id,
2966                            &mut needs_resync_with_host,
2967                            is_local,
2968                            cx,
2969                        )
2970                        .await?;
2971
2972                        project.read_with(cx, |project, _| {
2973                            if let Some(project_id) = project.remote_id() {
2974                                project
2975                                    .collab_client
2976                                    .send(proto::UpdateLanguageServer {
2977                                        project_id,
2978                                        server_name: name.map(|name| String::from(name.0)),
2979                                        language_server_id: language_server_id.to_proto(),
2980                                        variant: Some(message),
2981                                    })
2982                                    .log_err();
2983                            }
2984                        })?;
2985                    }
2986                }
2987            }
2988
2989            flush_operations(
2990                &project,
2991                &mut operations_by_buffer_id,
2992                &mut needs_resync_with_host,
2993                is_local,
2994                cx,
2995            )
2996            .await?;
2997        }
2998
2999        Ok(())
3000    }
3001
3002    fn on_buffer_store_event(
3003        &mut self,
3004        _: Entity<BufferStore>,
3005        event: &BufferStoreEvent,
3006        cx: &mut Context<Self>,
3007    ) {
3008        match event {
3009            BufferStoreEvent::BufferAdded(buffer) => {
3010                self.register_buffer(buffer, cx).log_err();
3011            }
3012            BufferStoreEvent::BufferDropped(buffer_id) => {
3013                if let Some(ref remote_client) = self.remote_client {
3014                    remote_client
3015                        .read(cx)
3016                        .proto_client()
3017                        .send(proto::CloseBuffer {
3018                            project_id: 0,
3019                            buffer_id: buffer_id.to_proto(),
3020                        })
3021                        .log_err();
3022                }
3023            }
3024            _ => {}
3025        }
3026    }
3027
3028    fn on_image_store_event(
3029        &mut self,
3030        _: Entity<ImageStore>,
3031        event: &ImageStoreEvent,
3032        cx: &mut Context<Self>,
3033    ) {
3034        match event {
3035            ImageStoreEvent::ImageAdded(image) => {
3036                cx.subscribe(image, |this, image, event, cx| {
3037                    this.on_image_event(image, event, cx);
3038                })
3039                .detach();
3040            }
3041        }
3042    }
3043
3044    fn on_dap_store_event(
3045        &mut self,
3046        _: Entity<DapStore>,
3047        event: &DapStoreEvent,
3048        cx: &mut Context<Self>,
3049    ) {
3050        if let DapStoreEvent::Notification(message) = event {
3051            cx.emit(Event::Toast {
3052                notification_id: "dap".into(),
3053                message: message.clone(),
3054            });
3055        }
3056    }
3057
3058    fn on_lsp_store_event(
3059        &mut self,
3060        _: Entity<LspStore>,
3061        event: &LspStoreEvent,
3062        cx: &mut Context<Self>,
3063    ) {
3064        match event {
3065            LspStoreEvent::DiagnosticsUpdated { server_id, paths } => {
3066                cx.emit(Event::DiagnosticsUpdated {
3067                    paths: paths.clone(),
3068                    language_server_id: *server_id,
3069                })
3070            }
3071            LspStoreEvent::LanguageServerAdded(server_id, name, worktree_id) => cx.emit(
3072                Event::LanguageServerAdded(*server_id, name.clone(), *worktree_id),
3073            ),
3074            LspStoreEvent::LanguageServerRemoved(server_id) => {
3075                cx.emit(Event::LanguageServerRemoved(*server_id))
3076            }
3077            LspStoreEvent::LanguageServerLog(server_id, log_type, string) => cx.emit(
3078                Event::LanguageServerLog(*server_id, log_type.clone(), string.clone()),
3079            ),
3080            LspStoreEvent::LanguageDetected {
3081                buffer,
3082                new_language,
3083            } => {
3084                let Some(_) = new_language else {
3085                    cx.emit(Event::LanguageNotFound(buffer.clone()));
3086                    return;
3087                };
3088            }
3089            LspStoreEvent::RefreshInlayHints(server_id) => {
3090                cx.emit(Event::RefreshInlayHints(*server_id))
3091            }
3092            LspStoreEvent::RefreshCodeLens => cx.emit(Event::RefreshCodeLens),
3093            LspStoreEvent::LanguageServerPrompt(prompt) => {
3094                cx.emit(Event::LanguageServerPrompt(prompt.clone()))
3095            }
3096            LspStoreEvent::DiskBasedDiagnosticsStarted { language_server_id } => {
3097                cx.emit(Event::DiskBasedDiagnosticsStarted {
3098                    language_server_id: *language_server_id,
3099                });
3100            }
3101            LspStoreEvent::DiskBasedDiagnosticsFinished { language_server_id } => {
3102                cx.emit(Event::DiskBasedDiagnosticsFinished {
3103                    language_server_id: *language_server_id,
3104                });
3105            }
3106            LspStoreEvent::LanguageServerUpdate {
3107                language_server_id,
3108                name,
3109                message,
3110            } => {
3111                if self.is_local() {
3112                    self.enqueue_buffer_ordered_message(
3113                        BufferOrderedMessage::LanguageServerUpdate {
3114                            language_server_id: *language_server_id,
3115                            message: message.clone(),
3116                            name: name.clone(),
3117                        },
3118                    )
3119                    .ok();
3120                }
3121
3122                match message {
3123                    proto::update_language_server::Variant::MetadataUpdated(update) => {
3124                        if let Some(capabilities) = update
3125                            .capabilities
3126                            .as_ref()
3127                            .and_then(|capabilities| serde_json::from_str(capabilities).ok())
3128                        {
3129                            self.lsp_store.update(cx, |lsp_store, _| {
3130                                lsp_store
3131                                    .lsp_server_capabilities
3132                                    .insert(*language_server_id, capabilities);
3133                            });
3134                        }
3135                    }
3136                    proto::update_language_server::Variant::RegisteredForBuffer(update) => {
3137                        if let Some(buffer_id) = BufferId::new(update.buffer_id).ok() {
3138                            cx.emit(Event::LanguageServerBufferRegistered {
3139                                buffer_id,
3140                                server_id: *language_server_id,
3141                                buffer_abs_path: PathBuf::from(&update.buffer_abs_path),
3142                                name: name.clone(),
3143                            });
3144                        }
3145                    }
3146                    _ => (),
3147                }
3148            }
3149            LspStoreEvent::Notification(message) => cx.emit(Event::Toast {
3150                notification_id: "lsp".into(),
3151                message: message.clone(),
3152            }),
3153            LspStoreEvent::SnippetEdit {
3154                buffer_id,
3155                edits,
3156                most_recent_edit,
3157            } => {
3158                if most_recent_edit.replica_id == self.replica_id() {
3159                    cx.emit(Event::SnippetEdit(*buffer_id, edits.clone()))
3160                }
3161            }
3162        }
3163    }
3164
3165    fn on_remote_client_event(
3166        &mut self,
3167        _: Entity<RemoteClient>,
3168        event: &remote::RemoteClientEvent,
3169        cx: &mut Context<Self>,
3170    ) {
3171        match event {
3172            remote::RemoteClientEvent::Disconnected => {
3173                self.worktree_store.update(cx, |store, cx| {
3174                    store.disconnected_from_host(cx);
3175                });
3176                self.buffer_store.update(cx, |buffer_store, cx| {
3177                    buffer_store.disconnected_from_host(cx)
3178                });
3179                self.lsp_store.update(cx, |lsp_store, _cx| {
3180                    lsp_store.disconnected_from_ssh_remote()
3181                });
3182                cx.emit(Event::DisconnectedFromSshRemote);
3183            }
3184        }
3185    }
3186
3187    fn on_settings_observer_event(
3188        &mut self,
3189        _: Entity<SettingsObserver>,
3190        event: &SettingsObserverEvent,
3191        cx: &mut Context<Self>,
3192    ) {
3193        match event {
3194            SettingsObserverEvent::LocalSettingsUpdated(result) => match result {
3195                Err(InvalidSettingsError::LocalSettings { message, path }) => {
3196                    let message = format!("Failed to set local settings in {path:?}:\n{message}");
3197                    cx.emit(Event::Toast {
3198                        notification_id: format!("local-settings-{path:?}").into(),
3199                        message,
3200                    });
3201                }
3202                Ok(path) => cx.emit(Event::HideToast {
3203                    notification_id: format!("local-settings-{path:?}").into(),
3204                }),
3205                Err(_) => {}
3206            },
3207            SettingsObserverEvent::LocalTasksUpdated(result) => match result {
3208                Err(InvalidSettingsError::Tasks { message, path }) => {
3209                    let message = format!("Failed to set local tasks in {path:?}:\n{message}");
3210                    cx.emit(Event::Toast {
3211                        notification_id: format!("local-tasks-{path:?}").into(),
3212                        message,
3213                    });
3214                }
3215                Ok(path) => cx.emit(Event::HideToast {
3216                    notification_id: format!("local-tasks-{path:?}").into(),
3217                }),
3218                Err(_) => {}
3219            },
3220            SettingsObserverEvent::LocalDebugScenariosUpdated(result) => match result {
3221                Err(InvalidSettingsError::Debug { message, path }) => {
3222                    let message =
3223                        format!("Failed to set local debug scenarios in {path:?}:\n{message}");
3224                    cx.emit(Event::Toast {
3225                        notification_id: format!("local-debug-scenarios-{path:?}").into(),
3226                        message,
3227                    });
3228                }
3229                Ok(path) => cx.emit(Event::HideToast {
3230                    notification_id: format!("local-debug-scenarios-{path:?}").into(),
3231                }),
3232                Err(_) => {}
3233            },
3234        }
3235    }
3236
3237    fn on_worktree_store_event(
3238        &mut self,
3239        _: Entity<WorktreeStore>,
3240        event: &WorktreeStoreEvent,
3241        cx: &mut Context<Self>,
3242    ) {
3243        match event {
3244            WorktreeStoreEvent::WorktreeAdded(worktree) => {
3245                self.on_worktree_added(worktree, cx);
3246                cx.emit(Event::WorktreeAdded(worktree.read(cx).id()));
3247            }
3248            WorktreeStoreEvent::WorktreeRemoved(_, id) => {
3249                cx.emit(Event::WorktreeRemoved(*id));
3250            }
3251            WorktreeStoreEvent::WorktreeReleased(_, id) => {
3252                self.on_worktree_released(*id, cx);
3253            }
3254            WorktreeStoreEvent::WorktreeOrderChanged => cx.emit(Event::WorktreeOrderChanged),
3255            WorktreeStoreEvent::WorktreeUpdateSent(_) => {}
3256            WorktreeStoreEvent::WorktreeUpdatedEntries(worktree_id, changes) => {
3257                self.client()
3258                    .telemetry()
3259                    .report_discovered_project_type_events(*worktree_id, changes);
3260                cx.emit(Event::WorktreeUpdatedEntries(*worktree_id, changes.clone()))
3261            }
3262            WorktreeStoreEvent::WorktreeDeletedEntry(worktree_id, id) => {
3263                cx.emit(Event::DeletedEntry(*worktree_id, *id))
3264            }
3265            // Listen to the GitStore instead.
3266            WorktreeStoreEvent::WorktreeUpdatedGitRepositories(_, _) => {}
3267        }
3268    }
3269
3270    fn on_worktree_added(&mut self, worktree: &Entity<Worktree>, _: &mut Context<Self>) {
3271        let mut remotely_created_models = self.remotely_created_models.lock();
3272        if remotely_created_models.retain_count > 0 {
3273            remotely_created_models.worktrees.push(worktree.clone())
3274        }
3275    }
3276
3277    fn on_worktree_released(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
3278        if let Some(remote) = &self.remote_client {
3279            remote
3280                .read(cx)
3281                .proto_client()
3282                .send(proto::RemoveWorktree {
3283                    worktree_id: id_to_remove.to_proto(),
3284                })
3285                .log_err();
3286        }
3287    }
3288
3289    fn on_buffer_event(
3290        &mut self,
3291        buffer: Entity<Buffer>,
3292        event: &BufferEvent,
3293        cx: &mut Context<Self>,
3294    ) -> Option<()> {
3295        if matches!(event, BufferEvent::Edited | BufferEvent::Reloaded) {
3296            self.request_buffer_diff_recalculation(&buffer, cx);
3297        }
3298
3299        let buffer_id = buffer.read(cx).remote_id();
3300        match event {
3301            BufferEvent::ReloadNeeded => {
3302                if !self.is_via_collab() {
3303                    self.reload_buffers([buffer.clone()].into_iter().collect(), true, cx)
3304                        .detach_and_log_err(cx);
3305                }
3306            }
3307            BufferEvent::Operation {
3308                operation,
3309                is_local: true,
3310            } => {
3311                let operation = language::proto::serialize_operation(operation);
3312
3313                if let Some(remote) = &self.remote_client {
3314                    remote
3315                        .read(cx)
3316                        .proto_client()
3317                        .send(proto::UpdateBuffer {
3318                            project_id: 0,
3319                            buffer_id: buffer_id.to_proto(),
3320                            operations: vec![operation.clone()],
3321                        })
3322                        .ok();
3323                }
3324
3325                self.enqueue_buffer_ordered_message(BufferOrderedMessage::Operation {
3326                    buffer_id,
3327                    operation,
3328                })
3329                .ok();
3330            }
3331
3332            _ => {}
3333        }
3334
3335        None
3336    }
3337
3338    fn on_image_event(
3339        &mut self,
3340        image: Entity<ImageItem>,
3341        event: &ImageItemEvent,
3342        cx: &mut Context<Self>,
3343    ) -> Option<()> {
3344        if let ImageItemEvent::ReloadNeeded = event
3345            && !self.is_via_collab()
3346        {
3347            self.reload_images([image].into_iter().collect(), cx)
3348                .detach_and_log_err(cx);
3349        }
3350
3351        None
3352    }
3353
3354    fn request_buffer_diff_recalculation(
3355        &mut self,
3356        buffer: &Entity<Buffer>,
3357        cx: &mut Context<Self>,
3358    ) {
3359        self.buffers_needing_diff.insert(buffer.downgrade());
3360        let first_insertion = self.buffers_needing_diff.len() == 1;
3361        let settings = ProjectSettings::get_global(cx);
3362        let delay = settings.git.gutter_debounce;
3363
3364        if delay == 0 {
3365            if first_insertion {
3366                let this = cx.weak_entity();
3367                cx.defer(move |cx| {
3368                    if let Some(this) = this.upgrade() {
3369                        this.update(cx, |this, cx| {
3370                            this.recalculate_buffer_diffs(cx).detach();
3371                        });
3372                    }
3373                });
3374            }
3375            return;
3376        }
3377
3378        const MIN_DELAY: u64 = 50;
3379        let delay = delay.max(MIN_DELAY);
3380        let duration = Duration::from_millis(delay);
3381
3382        self.git_diff_debouncer
3383            .fire_new(duration, cx, move |this, cx| {
3384                this.recalculate_buffer_diffs(cx)
3385            });
3386    }
3387
3388    fn recalculate_buffer_diffs(&mut self, cx: &mut Context<Self>) -> Task<()> {
3389        cx.spawn(async move |this, cx| {
3390            loop {
3391                let task = this
3392                    .update(cx, |this, cx| {
3393                        let buffers = this
3394                            .buffers_needing_diff
3395                            .drain()
3396                            .filter_map(|buffer| buffer.upgrade())
3397                            .collect::<Vec<_>>();
3398                        if buffers.is_empty() {
3399                            None
3400                        } else {
3401                            Some(this.git_store.update(cx, |git_store, cx| {
3402                                git_store.recalculate_buffer_diffs(buffers, cx)
3403                            }))
3404                        }
3405                    })
3406                    .ok()
3407                    .flatten();
3408
3409                if let Some(task) = task {
3410                    task.await;
3411                } else {
3412                    break;
3413                }
3414            }
3415        })
3416    }
3417
3418    pub fn set_language_for_buffer(
3419        &mut self,
3420        buffer: &Entity<Buffer>,
3421        new_language: Arc<Language>,
3422        cx: &mut Context<Self>,
3423    ) {
3424        self.lsp_store.update(cx, |lsp_store, cx| {
3425            lsp_store.set_language_for_buffer(buffer, new_language, cx)
3426        })
3427    }
3428
3429    pub fn restart_language_servers_for_buffers(
3430        &mut self,
3431        buffers: Vec<Entity<Buffer>>,
3432        only_restart_servers: HashSet<LanguageServerSelector>,
3433        cx: &mut Context<Self>,
3434    ) {
3435        self.lsp_store.update(cx, |lsp_store, cx| {
3436            lsp_store.restart_language_servers_for_buffers(buffers, only_restart_servers, cx)
3437        })
3438    }
3439
3440    pub fn stop_language_servers_for_buffers(
3441        &mut self,
3442        buffers: Vec<Entity<Buffer>>,
3443        also_restart_servers: HashSet<LanguageServerSelector>,
3444        cx: &mut Context<Self>,
3445    ) {
3446        self.lsp_store
3447            .update(cx, |lsp_store, cx| {
3448                lsp_store.stop_language_servers_for_buffers(buffers, also_restart_servers, cx)
3449            })
3450            .detach_and_log_err(cx);
3451    }
3452
3453    pub fn cancel_language_server_work_for_buffers(
3454        &mut self,
3455        buffers: impl IntoIterator<Item = Entity<Buffer>>,
3456        cx: &mut Context<Self>,
3457    ) {
3458        self.lsp_store.update(cx, |lsp_store, cx| {
3459            lsp_store.cancel_language_server_work_for_buffers(buffers, cx)
3460        })
3461    }
3462
3463    pub fn cancel_language_server_work(
3464        &mut self,
3465        server_id: LanguageServerId,
3466        token_to_cancel: Option<ProgressToken>,
3467        cx: &mut Context<Self>,
3468    ) {
3469        self.lsp_store.update(cx, |lsp_store, cx| {
3470            lsp_store.cancel_language_server_work(server_id, token_to_cancel, cx)
3471        })
3472    }
3473
3474    fn enqueue_buffer_ordered_message(&mut self, message: BufferOrderedMessage) -> Result<()> {
3475        self.buffer_ordered_messages_tx
3476            .unbounded_send(message)
3477            .map_err(|e| anyhow!(e))
3478    }
3479
3480    pub fn available_toolchains(
3481        &self,
3482        path: ProjectPath,
3483        language_name: LanguageName,
3484        cx: &App,
3485    ) -> Task<Option<Toolchains>> {
3486        if let Some(toolchain_store) = self.toolchain_store.as_ref().map(Entity::downgrade) {
3487            cx.spawn(async move |cx| {
3488                toolchain_store
3489                    .update(cx, |this, cx| this.list_toolchains(path, language_name, cx))
3490                    .ok()?
3491                    .await
3492            })
3493        } else {
3494            Task::ready(None)
3495        }
3496    }
3497
3498    pub async fn toolchain_metadata(
3499        languages: Arc<LanguageRegistry>,
3500        language_name: LanguageName,
3501    ) -> Option<ToolchainMetadata> {
3502        languages
3503            .language_for_name(language_name.as_ref())
3504            .await
3505            .ok()?
3506            .toolchain_lister()
3507            .map(|lister| lister.meta())
3508    }
3509
3510    pub fn add_toolchain(
3511        &self,
3512        toolchain: Toolchain,
3513        scope: ToolchainScope,
3514        cx: &mut Context<Self>,
3515    ) {
3516        maybe!({
3517            self.toolchain_store.as_ref()?.update(cx, |this, cx| {
3518                this.add_toolchain(toolchain, scope, cx);
3519            });
3520            Some(())
3521        });
3522    }
3523
3524    pub fn remove_toolchain(
3525        &self,
3526        toolchain: Toolchain,
3527        scope: ToolchainScope,
3528        cx: &mut Context<Self>,
3529    ) {
3530        maybe!({
3531            self.toolchain_store.as_ref()?.update(cx, |this, cx| {
3532                this.remove_toolchain(toolchain, scope, cx);
3533            });
3534            Some(())
3535        });
3536    }
3537
3538    pub fn user_toolchains(
3539        &self,
3540        cx: &App,
3541    ) -> Option<BTreeMap<ToolchainScope, IndexSet<Toolchain>>> {
3542        Some(self.toolchain_store.as_ref()?.read(cx).user_toolchains())
3543    }
3544
3545    pub fn resolve_toolchain(
3546        &self,
3547        path: PathBuf,
3548        language_name: LanguageName,
3549        cx: &App,
3550    ) -> Task<Result<Toolchain>> {
3551        if let Some(toolchain_store) = self.toolchain_store.as_ref().map(Entity::downgrade) {
3552            cx.spawn(async move |cx| {
3553                toolchain_store
3554                    .update(cx, |this, cx| {
3555                        this.resolve_toolchain(path, language_name, cx)
3556                    })?
3557                    .await
3558            })
3559        } else {
3560            Task::ready(Err(anyhow!("This project does not support toolchains")))
3561        }
3562    }
3563
3564    pub fn toolchain_store(&self) -> Option<Entity<ToolchainStore>> {
3565        self.toolchain_store.clone()
3566    }
3567    pub fn activate_toolchain(
3568        &self,
3569        path: ProjectPath,
3570        toolchain: Toolchain,
3571        cx: &mut App,
3572    ) -> Task<Option<()>> {
3573        let Some(toolchain_store) = self.toolchain_store.clone() else {
3574            return Task::ready(None);
3575        };
3576        toolchain_store.update(cx, |this, cx| this.activate_toolchain(path, toolchain, cx))
3577    }
3578    pub fn active_toolchain(
3579        &self,
3580        path: ProjectPath,
3581        language_name: LanguageName,
3582        cx: &App,
3583    ) -> Task<Option<Toolchain>> {
3584        let Some(toolchain_store) = self.toolchain_store.clone() else {
3585            return Task::ready(None);
3586        };
3587        toolchain_store
3588            .read(cx)
3589            .active_toolchain(path, language_name, cx)
3590    }
3591    pub fn language_server_statuses<'a>(
3592        &'a self,
3593        cx: &'a App,
3594    ) -> impl DoubleEndedIterator<Item = (LanguageServerId, &'a LanguageServerStatus)> {
3595        self.lsp_store.read(cx).language_server_statuses()
3596    }
3597
3598    pub fn last_formatting_failure<'a>(&self, cx: &'a App) -> Option<&'a str> {
3599        self.lsp_store.read(cx).last_formatting_failure()
3600    }
3601
3602    pub fn reset_last_formatting_failure(&self, cx: &mut App) {
3603        self.lsp_store
3604            .update(cx, |store, _| store.reset_last_formatting_failure());
3605    }
3606
3607    pub fn reload_buffers(
3608        &self,
3609        buffers: HashSet<Entity<Buffer>>,
3610        push_to_history: bool,
3611        cx: &mut Context<Self>,
3612    ) -> Task<Result<ProjectTransaction>> {
3613        self.buffer_store.update(cx, |buffer_store, cx| {
3614            buffer_store.reload_buffers(buffers, push_to_history, cx)
3615        })
3616    }
3617
3618    pub fn reload_images(
3619        &self,
3620        images: HashSet<Entity<ImageItem>>,
3621        cx: &mut Context<Self>,
3622    ) -> Task<Result<()>> {
3623        self.image_store
3624            .update(cx, |image_store, cx| image_store.reload_images(images, cx))
3625    }
3626
3627    pub fn format(
3628        &mut self,
3629        buffers: HashSet<Entity<Buffer>>,
3630        target: LspFormatTarget,
3631        push_to_history: bool,
3632        trigger: lsp_store::FormatTrigger,
3633        cx: &mut Context<Project>,
3634    ) -> Task<anyhow::Result<ProjectTransaction>> {
3635        self.lsp_store.update(cx, |lsp_store, cx| {
3636            lsp_store.format(buffers, target, push_to_history, trigger, cx)
3637        })
3638    }
3639
3640    pub fn definitions<T: ToPointUtf16>(
3641        &mut self,
3642        buffer: &Entity<Buffer>,
3643        position: T,
3644        cx: &mut Context<Self>,
3645    ) -> Task<Result<Option<Vec<LocationLink>>>> {
3646        let position = position.to_point_utf16(buffer.read(cx));
3647        let guard = self.retain_remotely_created_models(cx);
3648        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3649            lsp_store.definitions(buffer, position, cx)
3650        });
3651        cx.background_spawn(async move {
3652            let result = task.await;
3653            drop(guard);
3654            result
3655        })
3656    }
3657
3658    pub fn declarations<T: ToPointUtf16>(
3659        &mut self,
3660        buffer: &Entity<Buffer>,
3661        position: T,
3662        cx: &mut Context<Self>,
3663    ) -> Task<Result<Option<Vec<LocationLink>>>> {
3664        let position = position.to_point_utf16(buffer.read(cx));
3665        let guard = self.retain_remotely_created_models(cx);
3666        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3667            lsp_store.declarations(buffer, position, cx)
3668        });
3669        cx.background_spawn(async move {
3670            let result = task.await;
3671            drop(guard);
3672            result
3673        })
3674    }
3675
3676    pub fn type_definitions<T: ToPointUtf16>(
3677        &mut self,
3678        buffer: &Entity<Buffer>,
3679        position: T,
3680        cx: &mut Context<Self>,
3681    ) -> Task<Result<Option<Vec<LocationLink>>>> {
3682        let position = position.to_point_utf16(buffer.read(cx));
3683        let guard = self.retain_remotely_created_models(cx);
3684        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3685            lsp_store.type_definitions(buffer, position, cx)
3686        });
3687        cx.background_spawn(async move {
3688            let result = task.await;
3689            drop(guard);
3690            result
3691        })
3692    }
3693
3694    pub fn implementations<T: ToPointUtf16>(
3695        &mut self,
3696        buffer: &Entity<Buffer>,
3697        position: T,
3698        cx: &mut Context<Self>,
3699    ) -> Task<Result<Option<Vec<LocationLink>>>> {
3700        let position = position.to_point_utf16(buffer.read(cx));
3701        let guard = self.retain_remotely_created_models(cx);
3702        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3703            lsp_store.implementations(buffer, position, cx)
3704        });
3705        cx.background_spawn(async move {
3706            let result = task.await;
3707            drop(guard);
3708            result
3709        })
3710    }
3711
3712    pub fn references<T: ToPointUtf16>(
3713        &mut self,
3714        buffer: &Entity<Buffer>,
3715        position: T,
3716        cx: &mut Context<Self>,
3717    ) -> Task<Result<Option<Vec<Location>>>> {
3718        let position = position.to_point_utf16(buffer.read(cx));
3719        let guard = self.retain_remotely_created_models(cx);
3720        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3721            lsp_store.references(buffer, position, cx)
3722        });
3723        cx.background_spawn(async move {
3724            let result = task.await;
3725            drop(guard);
3726            result
3727        })
3728    }
3729
3730    pub fn document_highlights<T: ToPointUtf16>(
3731        &mut self,
3732        buffer: &Entity<Buffer>,
3733        position: T,
3734        cx: &mut Context<Self>,
3735    ) -> Task<Result<Vec<DocumentHighlight>>> {
3736        let position = position.to_point_utf16(buffer.read(cx));
3737        self.request_lsp(
3738            buffer.clone(),
3739            LanguageServerToQuery::FirstCapable,
3740            GetDocumentHighlights { position },
3741            cx,
3742        )
3743    }
3744
3745    pub fn document_symbols(
3746        &mut self,
3747        buffer: &Entity<Buffer>,
3748        cx: &mut Context<Self>,
3749    ) -> Task<Result<Vec<DocumentSymbol>>> {
3750        self.request_lsp(
3751            buffer.clone(),
3752            LanguageServerToQuery::FirstCapable,
3753            GetDocumentSymbols,
3754            cx,
3755        )
3756    }
3757
3758    pub fn symbols(&self, query: &str, cx: &mut Context<Self>) -> Task<Result<Vec<Symbol>>> {
3759        self.lsp_store
3760            .update(cx, |lsp_store, cx| lsp_store.symbols(query, cx))
3761    }
3762
3763    pub fn open_buffer_for_symbol(
3764        &mut self,
3765        symbol: &Symbol,
3766        cx: &mut Context<Self>,
3767    ) -> Task<Result<Entity<Buffer>>> {
3768        self.lsp_store.update(cx, |lsp_store, cx| {
3769            lsp_store.open_buffer_for_symbol(symbol, cx)
3770        })
3771    }
3772
3773    pub fn open_server_settings(&mut self, cx: &mut Context<Self>) -> Task<Result<Entity<Buffer>>> {
3774        let guard = self.retain_remotely_created_models(cx);
3775        let Some(remote) = self.remote_client.as_ref() else {
3776            return Task::ready(Err(anyhow!("not an ssh project")));
3777        };
3778
3779        let proto_client = remote.read(cx).proto_client();
3780
3781        cx.spawn(async move |project, cx| {
3782            let buffer = proto_client
3783                .request(proto::OpenServerSettings {
3784                    project_id: REMOTE_SERVER_PROJECT_ID,
3785                })
3786                .await?;
3787
3788            let buffer = project
3789                .update(cx, |project, cx| {
3790                    project.buffer_store.update(cx, |buffer_store, cx| {
3791                        anyhow::Ok(
3792                            buffer_store
3793                                .wait_for_remote_buffer(BufferId::new(buffer.buffer_id)?, cx),
3794                        )
3795                    })
3796                })??
3797                .await;
3798
3799            drop(guard);
3800            buffer
3801        })
3802    }
3803
3804    pub fn open_local_buffer_via_lsp(
3805        &mut self,
3806        abs_path: lsp::Uri,
3807        language_server_id: LanguageServerId,
3808        cx: &mut Context<Self>,
3809    ) -> Task<Result<Entity<Buffer>>> {
3810        self.lsp_store.update(cx, |lsp_store, cx| {
3811            lsp_store.open_local_buffer_via_lsp(abs_path, language_server_id, cx)
3812        })
3813    }
3814
3815    pub fn hover<T: ToPointUtf16>(
3816        &self,
3817        buffer: &Entity<Buffer>,
3818        position: T,
3819        cx: &mut Context<Self>,
3820    ) -> Task<Option<Vec<Hover>>> {
3821        let position = position.to_point_utf16(buffer.read(cx));
3822        self.lsp_store
3823            .update(cx, |lsp_store, cx| lsp_store.hover(buffer, position, cx))
3824    }
3825
3826    pub fn linked_edits(
3827        &self,
3828        buffer: &Entity<Buffer>,
3829        position: Anchor,
3830        cx: &mut Context<Self>,
3831    ) -> Task<Result<Vec<Range<Anchor>>>> {
3832        self.lsp_store.update(cx, |lsp_store, cx| {
3833            lsp_store.linked_edits(buffer, position, cx)
3834        })
3835    }
3836
3837    pub fn completions<T: ToOffset + ToPointUtf16>(
3838        &self,
3839        buffer: &Entity<Buffer>,
3840        position: T,
3841        context: CompletionContext,
3842        cx: &mut Context<Self>,
3843    ) -> Task<Result<Vec<CompletionResponse>>> {
3844        let position = position.to_point_utf16(buffer.read(cx));
3845        self.lsp_store.update(cx, |lsp_store, cx| {
3846            lsp_store.completions(buffer, position, context, cx)
3847        })
3848    }
3849
3850    pub fn code_actions<T: Clone + ToOffset>(
3851        &mut self,
3852        buffer_handle: &Entity<Buffer>,
3853        range: Range<T>,
3854        kinds: Option<Vec<CodeActionKind>>,
3855        cx: &mut Context<Self>,
3856    ) -> Task<Result<Option<Vec<CodeAction>>>> {
3857        let buffer = buffer_handle.read(cx);
3858        let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
3859        self.lsp_store.update(cx, |lsp_store, cx| {
3860            lsp_store.code_actions(buffer_handle, range, kinds, cx)
3861        })
3862    }
3863
3864    pub fn code_lens_actions<T: Clone + ToOffset>(
3865        &mut self,
3866        buffer: &Entity<Buffer>,
3867        range: Range<T>,
3868        cx: &mut Context<Self>,
3869    ) -> Task<Result<Option<Vec<CodeAction>>>> {
3870        let snapshot = buffer.read(cx).snapshot();
3871        let range = range.to_point(&snapshot);
3872        let range_start = snapshot.anchor_before(range.start);
3873        let range_end = if range.start == range.end {
3874            range_start
3875        } else {
3876            snapshot.anchor_after(range.end)
3877        };
3878        let range = range_start..range_end;
3879        let code_lens_actions = self
3880            .lsp_store
3881            .update(cx, |lsp_store, cx| lsp_store.code_lens_actions(buffer, cx));
3882
3883        cx.background_spawn(async move {
3884            let mut code_lens_actions = code_lens_actions
3885                .await
3886                .map_err(|e| anyhow!("code lens fetch failed: {e:#}"))?;
3887            if let Some(code_lens_actions) = &mut code_lens_actions {
3888                code_lens_actions.retain(|code_lens_action| {
3889                    range
3890                        .start
3891                        .cmp(&code_lens_action.range.start, &snapshot)
3892                        .is_ge()
3893                        && range
3894                            .end
3895                            .cmp(&code_lens_action.range.end, &snapshot)
3896                            .is_le()
3897                });
3898            }
3899            Ok(code_lens_actions)
3900        })
3901    }
3902
3903    pub fn apply_code_action(
3904        &self,
3905        buffer_handle: Entity<Buffer>,
3906        action: CodeAction,
3907        push_to_history: bool,
3908        cx: &mut Context<Self>,
3909    ) -> Task<Result<ProjectTransaction>> {
3910        self.lsp_store.update(cx, |lsp_store, cx| {
3911            lsp_store.apply_code_action(buffer_handle, action, push_to_history, cx)
3912        })
3913    }
3914
3915    pub fn apply_code_action_kind(
3916        &self,
3917        buffers: HashSet<Entity<Buffer>>,
3918        kind: CodeActionKind,
3919        push_to_history: bool,
3920        cx: &mut Context<Self>,
3921    ) -> Task<Result<ProjectTransaction>> {
3922        self.lsp_store.update(cx, |lsp_store, cx| {
3923            lsp_store.apply_code_action_kind(buffers, kind, push_to_history, cx)
3924        })
3925    }
3926
3927    pub fn prepare_rename<T: ToPointUtf16>(
3928        &mut self,
3929        buffer: Entity<Buffer>,
3930        position: T,
3931        cx: &mut Context<Self>,
3932    ) -> Task<Result<PrepareRenameResponse>> {
3933        let position = position.to_point_utf16(buffer.read(cx));
3934        self.request_lsp(
3935            buffer,
3936            LanguageServerToQuery::FirstCapable,
3937            PrepareRename { position },
3938            cx,
3939        )
3940    }
3941
3942    pub fn perform_rename<T: ToPointUtf16>(
3943        &mut self,
3944        buffer: Entity<Buffer>,
3945        position: T,
3946        new_name: String,
3947        cx: &mut Context<Self>,
3948    ) -> Task<Result<ProjectTransaction>> {
3949        let push_to_history = true;
3950        let position = position.to_point_utf16(buffer.read(cx));
3951        self.request_lsp(
3952            buffer,
3953            LanguageServerToQuery::FirstCapable,
3954            PerformRename {
3955                position,
3956                new_name,
3957                push_to_history,
3958            },
3959            cx,
3960        )
3961    }
3962
3963    pub fn on_type_format<T: ToPointUtf16>(
3964        &mut self,
3965        buffer: Entity<Buffer>,
3966        position: T,
3967        trigger: String,
3968        push_to_history: bool,
3969        cx: &mut Context<Self>,
3970    ) -> Task<Result<Option<Transaction>>> {
3971        self.lsp_store.update(cx, |lsp_store, cx| {
3972            lsp_store.on_type_format(buffer, position, trigger, push_to_history, cx)
3973        })
3974    }
3975
3976    pub fn inline_values(
3977        &mut self,
3978        session: Entity<Session>,
3979        active_stack_frame: ActiveStackFrame,
3980        buffer_handle: Entity<Buffer>,
3981        range: Range<text::Anchor>,
3982        cx: &mut Context<Self>,
3983    ) -> Task<anyhow::Result<Vec<InlayHint>>> {
3984        let snapshot = buffer_handle.read(cx).snapshot();
3985
3986        let captures = snapshot.debug_variables_query(Anchor::MIN..range.end);
3987
3988        let row = snapshot
3989            .summary_for_anchor::<text::PointUtf16>(&range.end)
3990            .row as usize;
3991
3992        let inline_value_locations = provide_inline_values(captures, &snapshot, row);
3993
3994        let stack_frame_id = active_stack_frame.stack_frame_id;
3995        cx.spawn(async move |this, cx| {
3996            this.update(cx, |project, cx| {
3997                project.dap_store().update(cx, |dap_store, cx| {
3998                    dap_store.resolve_inline_value_locations(
3999                        session,
4000                        stack_frame_id,
4001                        buffer_handle,
4002                        inline_value_locations,
4003                        cx,
4004                    )
4005                })
4006            })?
4007            .await
4008        })
4009    }
4010
4011    pub fn search(&mut self, query: SearchQuery, cx: &mut Context<Self>) -> Receiver<SearchResult> {
4012        let (result_tx, result_rx) = smol::channel::unbounded();
4013
4014        let matching_buffers_rx = if query.is_opened_only() {
4015            self.sort_search_candidates(&query, cx)
4016        } else {
4017            self.find_search_candidate_buffers(&query, MAX_SEARCH_RESULT_FILES + 1, cx)
4018        };
4019
4020        cx.spawn(async move |_, cx| {
4021            let mut range_count = 0;
4022            let mut buffer_count = 0;
4023            let mut limit_reached = false;
4024            let query = Arc::new(query);
4025            let chunks = matching_buffers_rx.ready_chunks(64);
4026
4027            // Now that we know what paths match the query, we will load at most
4028            // 64 buffers at a time to avoid overwhelming the main thread. For each
4029            // opened buffer, we will spawn a background task that retrieves all the
4030            // ranges in the buffer matched by the query.
4031            let mut chunks = pin!(chunks);
4032            'outer: while let Some(matching_buffer_chunk) = chunks.next().await {
4033                let mut chunk_results = Vec::with_capacity(matching_buffer_chunk.len());
4034                for buffer in matching_buffer_chunk {
4035                    let query = query.clone();
4036                    let snapshot = buffer.read_with(cx, |buffer, _| buffer.snapshot())?;
4037                    chunk_results.push(cx.background_spawn(async move {
4038                        let ranges = query
4039                            .search(&snapshot, None)
4040                            .await
4041                            .iter()
4042                            .map(|range| {
4043                                snapshot.anchor_before(range.start)
4044                                    ..snapshot.anchor_after(range.end)
4045                            })
4046                            .collect::<Vec<_>>();
4047                        anyhow::Ok((buffer, ranges))
4048                    }));
4049                }
4050
4051                let chunk_results = futures::future::join_all(chunk_results).await;
4052                for result in chunk_results {
4053                    if let Some((buffer, ranges)) = result.log_err() {
4054                        range_count += ranges.len();
4055                        buffer_count += 1;
4056                        result_tx
4057                            .send(SearchResult::Buffer { buffer, ranges })
4058                            .await?;
4059                        if buffer_count > MAX_SEARCH_RESULT_FILES
4060                            || range_count > MAX_SEARCH_RESULT_RANGES
4061                        {
4062                            limit_reached = true;
4063                            break 'outer;
4064                        }
4065                    }
4066                }
4067            }
4068
4069            if limit_reached {
4070                result_tx.send(SearchResult::LimitReached).await?;
4071            }
4072
4073            anyhow::Ok(())
4074        })
4075        .detach();
4076
4077        result_rx
4078    }
4079
4080    fn find_search_candidate_buffers(
4081        &mut self,
4082        query: &SearchQuery,
4083        limit: usize,
4084        cx: &mut Context<Project>,
4085    ) -> Receiver<Entity<Buffer>> {
4086        if self.is_local() {
4087            let fs = self.fs.clone();
4088            self.buffer_store.update(cx, |buffer_store, cx| {
4089                buffer_store.find_search_candidates(query, limit, fs, cx)
4090            })
4091        } else {
4092            self.find_search_candidates_remote(query, limit, cx)
4093        }
4094    }
4095
4096    fn sort_search_candidates(
4097        &mut self,
4098        search_query: &SearchQuery,
4099        cx: &mut Context<Project>,
4100    ) -> Receiver<Entity<Buffer>> {
4101        let worktree_store = self.worktree_store.read(cx);
4102        let mut buffers = search_query
4103            .buffers()
4104            .into_iter()
4105            .flatten()
4106            .filter(|buffer| {
4107                let b = buffer.read(cx);
4108                if let Some(file) = b.file() {
4109                    if !search_query.match_path(file.path().as_std_path()) {
4110                        return false;
4111                    }
4112                    if let Some(entry) = b
4113                        .entry_id(cx)
4114                        .and_then(|entry_id| worktree_store.entry_for_id(entry_id, cx))
4115                        && entry.is_ignored
4116                        && !search_query.include_ignored()
4117                    {
4118                        return false;
4119                    }
4120                }
4121                true
4122            })
4123            .collect::<Vec<_>>();
4124        let (tx, rx) = smol::channel::unbounded();
4125        buffers.sort_by(|a, b| match (a.read(cx).file(), b.read(cx).file()) {
4126            (None, None) => a.read(cx).remote_id().cmp(&b.read(cx).remote_id()),
4127            (None, Some(_)) => std::cmp::Ordering::Less,
4128            (Some(_), None) => std::cmp::Ordering::Greater,
4129            (Some(a), Some(b)) => compare_paths(
4130                (a.path().as_std_path(), true),
4131                (b.path().as_std_path(), true),
4132            ),
4133        });
4134        for buffer in buffers {
4135            tx.send_blocking(buffer.clone()).unwrap()
4136        }
4137
4138        rx
4139    }
4140
4141    fn find_search_candidates_remote(
4142        &mut self,
4143        query: &SearchQuery,
4144        limit: usize,
4145        cx: &mut Context<Project>,
4146    ) -> Receiver<Entity<Buffer>> {
4147        let (tx, rx) = smol::channel::unbounded();
4148
4149        let (client, remote_id): (AnyProtoClient, _) = if let Some(ssh_client) = &self.remote_client
4150        {
4151            (ssh_client.read(cx).proto_client(), 0)
4152        } else if let Some(remote_id) = self.remote_id() {
4153            (self.collab_client.clone().into(), remote_id)
4154        } else {
4155            return rx;
4156        };
4157
4158        let request = client.request(proto::FindSearchCandidates {
4159            project_id: remote_id,
4160            query: Some(query.to_proto()),
4161            limit: limit as _,
4162        });
4163        let guard = self.retain_remotely_created_models(cx);
4164
4165        cx.spawn(async move |project, cx| {
4166            let response = request.await?;
4167            for buffer_id in response.buffer_ids {
4168                let buffer_id = BufferId::new(buffer_id)?;
4169                let buffer = project
4170                    .update(cx, |project, cx| {
4171                        project.buffer_store.update(cx, |buffer_store, cx| {
4172                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
4173                        })
4174                    })?
4175                    .await?;
4176                let _ = tx.send(buffer).await;
4177            }
4178
4179            drop(guard);
4180            anyhow::Ok(())
4181        })
4182        .detach_and_log_err(cx);
4183        rx
4184    }
4185
4186    pub fn request_lsp<R: LspCommand>(
4187        &mut self,
4188        buffer_handle: Entity<Buffer>,
4189        server: LanguageServerToQuery,
4190        request: R,
4191        cx: &mut Context<Self>,
4192    ) -> Task<Result<R::Response>>
4193    where
4194        <R::LspRequest as lsp::request::Request>::Result: Send,
4195        <R::LspRequest as lsp::request::Request>::Params: Send,
4196    {
4197        let guard = self.retain_remotely_created_models(cx);
4198        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4199            lsp_store.request_lsp(buffer_handle, server, request, cx)
4200        });
4201        cx.background_spawn(async move {
4202            let result = task.await;
4203            drop(guard);
4204            result
4205        })
4206    }
4207
4208    /// Move a worktree to a new position in the worktree order.
4209    ///
4210    /// The worktree will moved to the opposite side of the destination worktree.
4211    ///
4212    /// # Example
4213    ///
4214    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `33`,
4215    /// worktree_order will be updated to produce the indexes `[11, 33, 22]`.
4216    ///
4217    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `11`,
4218    /// worktree_order will be updated to produce the indexes `[22, 11, 33]`.
4219    ///
4220    /// # Errors
4221    ///
4222    /// An error will be returned if the worktree or destination worktree are not found.
4223    pub fn move_worktree(
4224        &mut self,
4225        source: WorktreeId,
4226        destination: WorktreeId,
4227        cx: &mut Context<Self>,
4228    ) -> Result<()> {
4229        self.worktree_store.update(cx, |worktree_store, cx| {
4230            worktree_store.move_worktree(source, destination, cx)
4231        })
4232    }
4233
4234    pub fn find_or_create_worktree(
4235        &mut self,
4236        abs_path: impl AsRef<Path>,
4237        visible: bool,
4238        cx: &mut Context<Self>,
4239    ) -> Task<Result<(Entity<Worktree>, Arc<RelPath>)>> {
4240        self.worktree_store.update(cx, |worktree_store, cx| {
4241            worktree_store.find_or_create_worktree(abs_path, visible, cx)
4242        })
4243    }
4244
4245    pub fn find_worktree(
4246        &self,
4247        abs_path: &Path,
4248        cx: &App,
4249    ) -> Option<(Entity<Worktree>, Arc<RelPath>)> {
4250        self.worktree_store.read(cx).find_worktree(abs_path, cx)
4251    }
4252
4253    pub fn is_shared(&self) -> bool {
4254        match &self.client_state {
4255            ProjectClientState::Shared { .. } => true,
4256            ProjectClientState::Local => false,
4257            ProjectClientState::Remote { .. } => true,
4258        }
4259    }
4260
4261    /// Returns the resolved version of `path`, that was found in `buffer`, if it exists.
4262    pub fn resolve_path_in_buffer(
4263        &self,
4264        path: &str,
4265        buffer: &Entity<Buffer>,
4266        cx: &mut Context<Self>,
4267    ) -> Task<Option<ResolvedPath>> {
4268        if util::paths::is_absolute(path, self.path_style(cx)) || path.starts_with("~") {
4269            self.resolve_abs_path(path, cx)
4270        } else {
4271            self.resolve_path_in_worktrees(path, buffer, cx)
4272        }
4273    }
4274
4275    pub fn resolve_abs_file_path(
4276        &self,
4277        path: &str,
4278        cx: &mut Context<Self>,
4279    ) -> Task<Option<ResolvedPath>> {
4280        let resolve_task = self.resolve_abs_path(path, cx);
4281        cx.background_spawn(async move {
4282            let resolved_path = resolve_task.await;
4283            resolved_path.filter(|path| path.is_file())
4284        })
4285    }
4286
4287    pub fn resolve_abs_path(&self, path: &str, cx: &App) -> Task<Option<ResolvedPath>> {
4288        if self.is_local() {
4289            let expanded = PathBuf::from(shellexpand::tilde(&path).into_owned());
4290            let fs = self.fs.clone();
4291            cx.background_spawn(async move {
4292                let metadata = fs.metadata(&expanded).await.ok().flatten();
4293
4294                metadata.map(|metadata| ResolvedPath::AbsPath {
4295                    path: expanded.to_string_lossy().into_owned(),
4296                    is_dir: metadata.is_dir,
4297                })
4298            })
4299        } else if let Some(ssh_client) = self.remote_client.as_ref() {
4300            let request = ssh_client
4301                .read(cx)
4302                .proto_client()
4303                .request(proto::GetPathMetadata {
4304                    project_id: REMOTE_SERVER_PROJECT_ID,
4305                    path: path.into(),
4306                });
4307            cx.background_spawn(async move {
4308                let response = request.await.log_err()?;
4309                if response.exists {
4310                    Some(ResolvedPath::AbsPath {
4311                        path: response.path,
4312                        is_dir: response.is_dir,
4313                    })
4314                } else {
4315                    None
4316                }
4317            })
4318        } else {
4319            Task::ready(None)
4320        }
4321    }
4322
4323    fn resolve_path_in_worktrees(
4324        &self,
4325        path: &str,
4326        buffer: &Entity<Buffer>,
4327        cx: &mut Context<Self>,
4328    ) -> Task<Option<ResolvedPath>> {
4329        let mut candidates = vec![];
4330        let path_style = self.path_style(cx);
4331        if let Ok(path) = RelPath::new(path.as_ref(), path_style) {
4332            candidates.push(path.into_arc());
4333        }
4334
4335        if let Some(file) = buffer.read(cx).file()
4336            && let Some(dir) = file.path().parent()
4337        {
4338            if let Some(joined) = path_style.join(&*dir.display(path_style), path)
4339                && let Some(joined) = RelPath::new(joined.as_ref(), path_style).ok()
4340            {
4341                candidates.push(joined.into_arc());
4342            }
4343        }
4344
4345        let buffer_worktree_id = buffer.read(cx).file().map(|file| file.worktree_id(cx));
4346        let worktrees_with_ids: Vec<_> = self
4347            .worktrees(cx)
4348            .map(|worktree| {
4349                let id = worktree.read(cx).id();
4350                (worktree, id)
4351            })
4352            .collect();
4353
4354        cx.spawn(async move |_, cx| {
4355            if let Some(buffer_worktree_id) = buffer_worktree_id
4356                && let Some((worktree, _)) = worktrees_with_ids
4357                    .iter()
4358                    .find(|(_, id)| *id == buffer_worktree_id)
4359            {
4360                for candidate in candidates.iter() {
4361                    if let Some(path) = Self::resolve_path_in_worktree(worktree, candidate, cx) {
4362                        return Some(path);
4363                    }
4364                }
4365            }
4366            for (worktree, id) in worktrees_with_ids {
4367                if Some(id) == buffer_worktree_id {
4368                    continue;
4369                }
4370                for candidate in candidates.iter() {
4371                    if let Some(path) = Self::resolve_path_in_worktree(&worktree, candidate, cx) {
4372                        return Some(path);
4373                    }
4374                }
4375            }
4376            None
4377        })
4378    }
4379
4380    fn resolve_path_in_worktree(
4381        worktree: &Entity<Worktree>,
4382        path: &RelPath,
4383        cx: &mut AsyncApp,
4384    ) -> Option<ResolvedPath> {
4385        worktree
4386            .read_with(cx, |worktree, _| {
4387                worktree.entry_for_path(path).map(|entry| {
4388                    let project_path = ProjectPath {
4389                        worktree_id: worktree.id(),
4390                        path: entry.path.clone(),
4391                    };
4392                    ResolvedPath::ProjectPath {
4393                        project_path,
4394                        is_dir: entry.is_dir(),
4395                    }
4396                })
4397            })
4398            .ok()?
4399    }
4400
4401    pub fn list_directory(
4402        &self,
4403        query: String,
4404        cx: &mut Context<Self>,
4405    ) -> Task<Result<Vec<DirectoryItem>>> {
4406        if self.is_local() {
4407            DirectoryLister::Local(cx.entity(), self.fs.clone()).list_directory(query, cx)
4408        } else if let Some(session) = self.remote_client.as_ref() {
4409            let request = proto::ListRemoteDirectory {
4410                dev_server_id: REMOTE_SERVER_PROJECT_ID,
4411                path: query,
4412                config: Some(proto::ListRemoteDirectoryConfig { is_dir: true }),
4413            };
4414
4415            let response = session.read(cx).proto_client().request(request);
4416            cx.background_spawn(async move {
4417                let proto::ListRemoteDirectoryResponse {
4418                    entries,
4419                    entry_info,
4420                } = response.await?;
4421                Ok(entries
4422                    .into_iter()
4423                    .zip(entry_info)
4424                    .map(|(entry, info)| DirectoryItem {
4425                        path: PathBuf::from(entry),
4426                        is_dir: info.is_dir,
4427                    })
4428                    .collect())
4429            })
4430        } else {
4431            Task::ready(Err(anyhow!("cannot list directory in remote project")))
4432        }
4433    }
4434
4435    pub fn create_worktree(
4436        &mut self,
4437        abs_path: impl AsRef<Path>,
4438        visible: bool,
4439        cx: &mut Context<Self>,
4440    ) -> Task<Result<Entity<Worktree>>> {
4441        self.worktree_store.update(cx, |worktree_store, cx| {
4442            worktree_store.create_worktree(abs_path, visible, cx)
4443        })
4444    }
4445
4446    pub fn remove_worktree(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
4447        self.worktree_store.update(cx, |worktree_store, cx| {
4448            worktree_store.remove_worktree(id_to_remove, cx);
4449        });
4450    }
4451
4452    fn add_worktree(&mut self, worktree: &Entity<Worktree>, cx: &mut Context<Self>) {
4453        self.worktree_store.update(cx, |worktree_store, cx| {
4454            worktree_store.add(worktree, cx);
4455        });
4456    }
4457
4458    pub fn set_active_path(&mut self, entry: Option<ProjectPath>, cx: &mut Context<Self>) {
4459        let new_active_entry = entry.and_then(|project_path| {
4460            let worktree = self.worktree_for_id(project_path.worktree_id, cx)?;
4461            let entry = worktree.read(cx).entry_for_path(&project_path.path)?;
4462            Some(entry.id)
4463        });
4464        if new_active_entry != self.active_entry {
4465            self.active_entry = new_active_entry;
4466            self.lsp_store.update(cx, |lsp_store, _| {
4467                lsp_store.set_active_entry(new_active_entry);
4468            });
4469            cx.emit(Event::ActiveEntryChanged(new_active_entry));
4470        }
4471    }
4472
4473    pub fn language_servers_running_disk_based_diagnostics<'a>(
4474        &'a self,
4475        cx: &'a App,
4476    ) -> impl Iterator<Item = LanguageServerId> + 'a {
4477        self.lsp_store
4478            .read(cx)
4479            .language_servers_running_disk_based_diagnostics()
4480    }
4481
4482    pub fn diagnostic_summary(&self, include_ignored: bool, cx: &App) -> DiagnosticSummary {
4483        self.lsp_store
4484            .read(cx)
4485            .diagnostic_summary(include_ignored, cx)
4486    }
4487
4488    /// Returns a summary of the diagnostics for the provided project path only.
4489    pub fn diagnostic_summary_for_path(&self, path: &ProjectPath, cx: &App) -> DiagnosticSummary {
4490        self.lsp_store
4491            .read(cx)
4492            .diagnostic_summary_for_path(path, cx)
4493    }
4494
4495    pub fn diagnostic_summaries<'a>(
4496        &'a self,
4497        include_ignored: bool,
4498        cx: &'a App,
4499    ) -> impl Iterator<Item = (ProjectPath, LanguageServerId, DiagnosticSummary)> + 'a {
4500        self.lsp_store
4501            .read(cx)
4502            .diagnostic_summaries(include_ignored, cx)
4503    }
4504
4505    pub fn active_entry(&self) -> Option<ProjectEntryId> {
4506        self.active_entry
4507    }
4508
4509    pub fn entry_for_path<'a>(&'a self, path: &ProjectPath, cx: &'a App) -> Option<&'a Entry> {
4510        self.worktree_store.read(cx).entry_for_path(path, cx)
4511    }
4512
4513    pub fn path_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<ProjectPath> {
4514        let worktree = self.worktree_for_entry(entry_id, cx)?;
4515        let worktree = worktree.read(cx);
4516        let worktree_id = worktree.id();
4517        let path = worktree.entry_for_id(entry_id)?.path.clone();
4518        Some(ProjectPath { worktree_id, path })
4519    }
4520
4521    pub fn absolute_path(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4522        Some(
4523            self.worktree_for_id(project_path.worktree_id, cx)?
4524                .read(cx)
4525                .absolutize(&project_path.path),
4526        )
4527    }
4528
4529    /// Attempts to find a `ProjectPath` corresponding to the given path. If the path
4530    /// is a *full path*, meaning it starts with the root name of a worktree, we'll locate
4531    /// it in that worktree. Otherwise, we'll attempt to find it as a relative path in
4532    /// the first visible worktree that has an entry for that relative path.
4533    ///
4534    /// We use this to resolve edit steps, when there's a chance an LLM may omit the workree
4535    /// root name from paths.
4536    ///
4537    /// # Arguments
4538    ///
4539    /// * `path` - An absolute path, or a full path that starts with a worktree root name, or a
4540    ///   relative path within a visible worktree.
4541    /// * `cx` - A reference to the `AppContext`.
4542    ///
4543    /// # Returns
4544    ///
4545    /// Returns `Some(ProjectPath)` if a matching worktree is found, otherwise `None`.
4546    pub fn find_project_path(&self, path: impl AsRef<Path>, cx: &App) -> Option<ProjectPath> {
4547        let path_style = self.path_style(cx);
4548        let path = path.as_ref();
4549        let worktree_store = self.worktree_store.read(cx);
4550
4551        if is_absolute(&path.to_string_lossy(), path_style) {
4552            for worktree in worktree_store.visible_worktrees(cx) {
4553                let worktree_abs_path = worktree.read(cx).abs_path();
4554
4555                if let Ok(relative_path) = path.strip_prefix(worktree_abs_path)
4556                    && let Ok(path) = RelPath::new(relative_path, path_style)
4557                {
4558                    return Some(ProjectPath {
4559                        worktree_id: worktree.read(cx).id(),
4560                        path: path.into_arc(),
4561                    });
4562                }
4563            }
4564        } else {
4565            for worktree in worktree_store.visible_worktrees(cx) {
4566                let worktree_root_name = worktree.read(cx).root_name();
4567                if let Ok(relative_path) = path.strip_prefix(worktree_root_name.as_std_path())
4568                    && let Ok(path) = RelPath::new(relative_path, path_style)
4569                {
4570                    return Some(ProjectPath {
4571                        worktree_id: worktree.read(cx).id(),
4572                        path: path.into_arc(),
4573                    });
4574                }
4575            }
4576
4577            for worktree in worktree_store.visible_worktrees(cx) {
4578                let worktree = worktree.read(cx);
4579                if let Ok(path) = RelPath::new(path, path_style)
4580                    && let Some(entry) = worktree.entry_for_path(&path)
4581                {
4582                    return Some(ProjectPath {
4583                        worktree_id: worktree.id(),
4584                        path: entry.path.clone(),
4585                    });
4586                }
4587            }
4588        }
4589
4590        None
4591    }
4592
4593    /// If there's only one visible worktree, returns the given worktree-relative path with no prefix.
4594    ///
4595    /// Otherwise, returns the full path for the project path (obtained by prefixing the worktree-relative path with the name of the worktree).
4596    pub fn short_full_path_for_project_path(
4597        &self,
4598        project_path: &ProjectPath,
4599        cx: &App,
4600    ) -> Option<String> {
4601        let path_style = self.path_style(cx);
4602        if self.visible_worktrees(cx).take(2).count() < 2 {
4603            return Some(project_path.path.display(path_style).to_string());
4604        }
4605        self.worktree_for_id(project_path.worktree_id, cx)
4606            .map(|worktree| {
4607                let worktree_name = worktree.read(cx).root_name();
4608                worktree_name
4609                    .join(&project_path.path)
4610                    .display(path_style)
4611                    .to_string()
4612            })
4613    }
4614
4615    pub fn project_path_for_absolute_path(&self, abs_path: &Path, cx: &App) -> Option<ProjectPath> {
4616        self.find_worktree(abs_path, cx)
4617            .map(|(worktree, relative_path)| ProjectPath {
4618                worktree_id: worktree.read(cx).id(),
4619                path: relative_path,
4620            })
4621    }
4622
4623    pub fn get_workspace_root(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4624        Some(
4625            self.worktree_for_id(project_path.worktree_id, cx)?
4626                .read(cx)
4627                .abs_path()
4628                .to_path_buf(),
4629        )
4630    }
4631
4632    pub fn blame_buffer(
4633        &self,
4634        buffer: &Entity<Buffer>,
4635        version: Option<clock::Global>,
4636        cx: &mut App,
4637    ) -> Task<Result<Option<Blame>>> {
4638        self.git_store.update(cx, |git_store, cx| {
4639            git_store.blame_buffer(buffer, version, cx)
4640        })
4641    }
4642
4643    pub fn get_permalink_to_line(
4644        &self,
4645        buffer: &Entity<Buffer>,
4646        selection: Range<u32>,
4647        cx: &mut App,
4648    ) -> Task<Result<url::Url>> {
4649        self.git_store.update(cx, |git_store, cx| {
4650            git_store.get_permalink_to_line(buffer, selection, cx)
4651        })
4652    }
4653
4654    // RPC message handlers
4655
4656    async fn handle_unshare_project(
4657        this: Entity<Self>,
4658        _: TypedEnvelope<proto::UnshareProject>,
4659        mut cx: AsyncApp,
4660    ) -> Result<()> {
4661        this.update(&mut cx, |this, cx| {
4662            if this.is_local() || this.is_via_remote_server() {
4663                this.unshare(cx)?;
4664            } else {
4665                this.disconnected_from_host(cx);
4666            }
4667            Ok(())
4668        })?
4669    }
4670
4671    async fn handle_add_collaborator(
4672        this: Entity<Self>,
4673        mut envelope: TypedEnvelope<proto::AddProjectCollaborator>,
4674        mut cx: AsyncApp,
4675    ) -> Result<()> {
4676        let collaborator = envelope
4677            .payload
4678            .collaborator
4679            .take()
4680            .context("empty collaborator")?;
4681
4682        let collaborator = Collaborator::from_proto(collaborator)?;
4683        this.update(&mut cx, |this, cx| {
4684            this.buffer_store.update(cx, |buffer_store, _| {
4685                buffer_store.forget_shared_buffers_for(&collaborator.peer_id);
4686            });
4687            this.breakpoint_store.read(cx).broadcast();
4688            cx.emit(Event::CollaboratorJoined(collaborator.peer_id));
4689            this.collaborators
4690                .insert(collaborator.peer_id, collaborator);
4691        })?;
4692
4693        Ok(())
4694    }
4695
4696    async fn handle_update_project_collaborator(
4697        this: Entity<Self>,
4698        envelope: TypedEnvelope<proto::UpdateProjectCollaborator>,
4699        mut cx: AsyncApp,
4700    ) -> Result<()> {
4701        let old_peer_id = envelope
4702            .payload
4703            .old_peer_id
4704            .context("missing old peer id")?;
4705        let new_peer_id = envelope
4706            .payload
4707            .new_peer_id
4708            .context("missing new peer id")?;
4709        this.update(&mut cx, |this, cx| {
4710            let collaborator = this
4711                .collaborators
4712                .remove(&old_peer_id)
4713                .context("received UpdateProjectCollaborator for unknown peer")?;
4714            let is_host = collaborator.is_host;
4715            this.collaborators.insert(new_peer_id, collaborator);
4716
4717            log::info!("peer {} became {}", old_peer_id, new_peer_id,);
4718            this.buffer_store.update(cx, |buffer_store, _| {
4719                buffer_store.update_peer_id(&old_peer_id, new_peer_id)
4720            });
4721
4722            if is_host {
4723                this.buffer_store
4724                    .update(cx, |buffer_store, _| buffer_store.discard_incomplete());
4725                this.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
4726                    .unwrap();
4727                cx.emit(Event::HostReshared);
4728            }
4729
4730            cx.emit(Event::CollaboratorUpdated {
4731                old_peer_id,
4732                new_peer_id,
4733            });
4734            Ok(())
4735        })?
4736    }
4737
4738    async fn handle_remove_collaborator(
4739        this: Entity<Self>,
4740        envelope: TypedEnvelope<proto::RemoveProjectCollaborator>,
4741        mut cx: AsyncApp,
4742    ) -> Result<()> {
4743        this.update(&mut cx, |this, cx| {
4744            let peer_id = envelope.payload.peer_id.context("invalid peer id")?;
4745            let replica_id = this
4746                .collaborators
4747                .remove(&peer_id)
4748                .with_context(|| format!("unknown peer {peer_id:?}"))?
4749                .replica_id;
4750            this.buffer_store.update(cx, |buffer_store, cx| {
4751                buffer_store.forget_shared_buffers_for(&peer_id);
4752                for buffer in buffer_store.buffers() {
4753                    buffer.update(cx, |buffer, cx| buffer.remove_peer(replica_id, cx));
4754                }
4755            });
4756            this.git_store.update(cx, |git_store, _| {
4757                git_store.forget_shared_diffs_for(&peer_id);
4758            });
4759
4760            cx.emit(Event::CollaboratorLeft(peer_id));
4761            Ok(())
4762        })?
4763    }
4764
4765    async fn handle_update_project(
4766        this: Entity<Self>,
4767        envelope: TypedEnvelope<proto::UpdateProject>,
4768        mut cx: AsyncApp,
4769    ) -> Result<()> {
4770        this.update(&mut cx, |this, cx| {
4771            // Don't handle messages that were sent before the response to us joining the project
4772            if envelope.message_id > this.join_project_response_message_id {
4773                this.set_worktrees_from_proto(envelope.payload.worktrees, cx)?;
4774            }
4775            Ok(())
4776        })?
4777    }
4778
4779    async fn handle_toast(
4780        this: Entity<Self>,
4781        envelope: TypedEnvelope<proto::Toast>,
4782        mut cx: AsyncApp,
4783    ) -> Result<()> {
4784        this.update(&mut cx, |_, cx| {
4785            cx.emit(Event::Toast {
4786                notification_id: envelope.payload.notification_id.into(),
4787                message: envelope.payload.message,
4788            });
4789            Ok(())
4790        })?
4791    }
4792
4793    async fn handle_language_server_prompt_request(
4794        this: Entity<Self>,
4795        envelope: TypedEnvelope<proto::LanguageServerPromptRequest>,
4796        mut cx: AsyncApp,
4797    ) -> Result<proto::LanguageServerPromptResponse> {
4798        let (tx, rx) = smol::channel::bounded(1);
4799        let actions: Vec<_> = envelope
4800            .payload
4801            .actions
4802            .into_iter()
4803            .map(|action| MessageActionItem {
4804                title: action,
4805                properties: Default::default(),
4806            })
4807            .collect();
4808        this.update(&mut cx, |_, cx| {
4809            cx.emit(Event::LanguageServerPrompt(LanguageServerPromptRequest {
4810                level: proto_to_prompt(envelope.payload.level.context("Invalid prompt level")?),
4811                message: envelope.payload.message,
4812                actions: actions.clone(),
4813                lsp_name: envelope.payload.lsp_name,
4814                response_channel: tx,
4815            }));
4816
4817            anyhow::Ok(())
4818        })??;
4819
4820        // We drop `this` to avoid holding a reference in this future for too
4821        // long.
4822        // If we keep the reference, we might not drop the `Project` early
4823        // enough when closing a window and it will only get releases on the
4824        // next `flush_effects()` call.
4825        drop(this);
4826
4827        let mut rx = pin!(rx);
4828        let answer = rx.next().await;
4829
4830        Ok(LanguageServerPromptResponse {
4831            action_response: answer.and_then(|answer| {
4832                actions
4833                    .iter()
4834                    .position(|action| *action == answer)
4835                    .map(|index| index as u64)
4836            }),
4837        })
4838    }
4839
4840    async fn handle_hide_toast(
4841        this: Entity<Self>,
4842        envelope: TypedEnvelope<proto::HideToast>,
4843        mut cx: AsyncApp,
4844    ) -> Result<()> {
4845        this.update(&mut cx, |_, cx| {
4846            cx.emit(Event::HideToast {
4847                notification_id: envelope.payload.notification_id.into(),
4848            });
4849            Ok(())
4850        })?
4851    }
4852
4853    // Collab sends UpdateWorktree protos as messages
4854    async fn handle_update_worktree(
4855        this: Entity<Self>,
4856        envelope: TypedEnvelope<proto::UpdateWorktree>,
4857        mut cx: AsyncApp,
4858    ) -> Result<()> {
4859        this.update(&mut cx, |this, cx| {
4860            let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
4861            if let Some(worktree) = this.worktree_for_id(worktree_id, cx) {
4862                worktree.update(cx, |worktree, _| {
4863                    let worktree = worktree.as_remote_mut().unwrap();
4864                    worktree.update_from_remote(envelope.payload);
4865                });
4866            }
4867            Ok(())
4868        })?
4869    }
4870
4871    async fn handle_update_buffer_from_remote_server(
4872        this: Entity<Self>,
4873        envelope: TypedEnvelope<proto::UpdateBuffer>,
4874        cx: AsyncApp,
4875    ) -> Result<proto::Ack> {
4876        let buffer_store = this.read_with(&cx, |this, cx| {
4877            if let Some(remote_id) = this.remote_id() {
4878                let mut payload = envelope.payload.clone();
4879                payload.project_id = remote_id;
4880                cx.background_spawn(this.collab_client.request(payload))
4881                    .detach_and_log_err(cx);
4882            }
4883            this.buffer_store.clone()
4884        })?;
4885        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
4886    }
4887
4888    async fn handle_update_buffer(
4889        this: Entity<Self>,
4890        envelope: TypedEnvelope<proto::UpdateBuffer>,
4891        cx: AsyncApp,
4892    ) -> Result<proto::Ack> {
4893        let buffer_store = this.read_with(&cx, |this, cx| {
4894            if let Some(ssh) = &this.remote_client {
4895                let mut payload = envelope.payload.clone();
4896                payload.project_id = REMOTE_SERVER_PROJECT_ID;
4897                cx.background_spawn(ssh.read(cx).proto_client().request(payload))
4898                    .detach_and_log_err(cx);
4899            }
4900            this.buffer_store.clone()
4901        })?;
4902        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
4903    }
4904
4905    fn retain_remotely_created_models(
4906        &mut self,
4907        cx: &mut Context<Self>,
4908    ) -> RemotelyCreatedModelGuard {
4909        {
4910            let mut remotely_create_models = self.remotely_created_models.lock();
4911            if remotely_create_models.retain_count == 0 {
4912                remotely_create_models.buffers = self.buffer_store.read(cx).buffers().collect();
4913                remotely_create_models.worktrees =
4914                    self.worktree_store.read(cx).worktrees().collect();
4915            }
4916            remotely_create_models.retain_count += 1;
4917        }
4918        RemotelyCreatedModelGuard {
4919            remote_models: Arc::downgrade(&self.remotely_created_models),
4920        }
4921    }
4922
4923    async fn handle_create_buffer_for_peer(
4924        this: Entity<Self>,
4925        envelope: TypedEnvelope<proto::CreateBufferForPeer>,
4926        mut cx: AsyncApp,
4927    ) -> Result<()> {
4928        this.update(&mut cx, |this, cx| {
4929            this.buffer_store.update(cx, |buffer_store, cx| {
4930                buffer_store.handle_create_buffer_for_peer(
4931                    envelope,
4932                    this.replica_id(),
4933                    this.capability(),
4934                    cx,
4935                )
4936            })
4937        })?
4938    }
4939
4940    async fn handle_toggle_lsp_logs(
4941        project: Entity<Self>,
4942        envelope: TypedEnvelope<proto::ToggleLspLogs>,
4943        mut cx: AsyncApp,
4944    ) -> Result<()> {
4945        let toggled_log_kind =
4946            match proto::toggle_lsp_logs::LogType::from_i32(envelope.payload.log_type)
4947                .context("invalid log type")?
4948            {
4949                proto::toggle_lsp_logs::LogType::Log => LogKind::Logs,
4950                proto::toggle_lsp_logs::LogType::Trace => LogKind::Trace,
4951                proto::toggle_lsp_logs::LogType::Rpc => LogKind::Rpc,
4952            };
4953        project.update(&mut cx, |_, cx| {
4954            cx.emit(Event::ToggleLspLogs {
4955                server_id: LanguageServerId::from_proto(envelope.payload.server_id),
4956                enabled: envelope.payload.enabled,
4957                toggled_log_kind,
4958            })
4959        })?;
4960        Ok(())
4961    }
4962
4963    async fn handle_synchronize_buffers(
4964        this: Entity<Self>,
4965        envelope: TypedEnvelope<proto::SynchronizeBuffers>,
4966        mut cx: AsyncApp,
4967    ) -> Result<proto::SynchronizeBuffersResponse> {
4968        let response = this.update(&mut cx, |this, cx| {
4969            let client = this.collab_client.clone();
4970            this.buffer_store.update(cx, |this, cx| {
4971                this.handle_synchronize_buffers(envelope, cx, client)
4972            })
4973        })??;
4974
4975        Ok(response)
4976    }
4977
4978    async fn handle_search_candidate_buffers(
4979        this: Entity<Self>,
4980        envelope: TypedEnvelope<proto::FindSearchCandidates>,
4981        mut cx: AsyncApp,
4982    ) -> Result<proto::FindSearchCandidatesResponse> {
4983        let peer_id = envelope.original_sender_id()?;
4984        let message = envelope.payload;
4985        let path_style = this.read_with(&cx, |this, cx| this.path_style(cx))?;
4986        let query =
4987            SearchQuery::from_proto(message.query.context("missing query field")?, path_style)?;
4988        let results = this.update(&mut cx, |this, cx| {
4989            this.find_search_candidate_buffers(&query, message.limit as _, cx)
4990        })?;
4991
4992        let mut response = proto::FindSearchCandidatesResponse {
4993            buffer_ids: Vec::new(),
4994        };
4995
4996        while let Ok(buffer) = results.recv().await {
4997            this.update(&mut cx, |this, cx| {
4998                let buffer_id = this.create_buffer_for_peer(&buffer, peer_id, cx);
4999                response.buffer_ids.push(buffer_id.to_proto());
5000            })?;
5001        }
5002
5003        Ok(response)
5004    }
5005
5006    async fn handle_open_buffer_by_id(
5007        this: Entity<Self>,
5008        envelope: TypedEnvelope<proto::OpenBufferById>,
5009        mut cx: AsyncApp,
5010    ) -> Result<proto::OpenBufferResponse> {
5011        let peer_id = envelope.original_sender_id()?;
5012        let buffer_id = BufferId::new(envelope.payload.id)?;
5013        let buffer = this
5014            .update(&mut cx, |this, cx| this.open_buffer_by_id(buffer_id, cx))?
5015            .await?;
5016        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
5017    }
5018
5019    async fn handle_open_buffer_by_path(
5020        this: Entity<Self>,
5021        envelope: TypedEnvelope<proto::OpenBufferByPath>,
5022        mut cx: AsyncApp,
5023    ) -> Result<proto::OpenBufferResponse> {
5024        let peer_id = envelope.original_sender_id()?;
5025        let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
5026        let path = RelPath::from_proto(&envelope.payload.path)?;
5027        let open_buffer = this
5028            .update(&mut cx, |this, cx| {
5029                this.open_buffer(ProjectPath { worktree_id, path }, cx)
5030            })?
5031            .await?;
5032        Project::respond_to_open_buffer_request(this, open_buffer, peer_id, &mut cx)
5033    }
5034
5035    async fn handle_open_new_buffer(
5036        this: Entity<Self>,
5037        envelope: TypedEnvelope<proto::OpenNewBuffer>,
5038        mut cx: AsyncApp,
5039    ) -> Result<proto::OpenBufferResponse> {
5040        let buffer = this
5041            .update(&mut cx, |this, cx| this.create_buffer(true, cx))?
5042            .await?;
5043        let peer_id = envelope.original_sender_id()?;
5044
5045        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
5046    }
5047
5048    fn respond_to_open_buffer_request(
5049        this: Entity<Self>,
5050        buffer: Entity<Buffer>,
5051        peer_id: proto::PeerId,
5052        cx: &mut AsyncApp,
5053    ) -> Result<proto::OpenBufferResponse> {
5054        this.update(cx, |this, cx| {
5055            let is_private = buffer
5056                .read(cx)
5057                .file()
5058                .map(|f| f.is_private())
5059                .unwrap_or_default();
5060            anyhow::ensure!(!is_private, ErrorCode::UnsharedItem);
5061            Ok(proto::OpenBufferResponse {
5062                buffer_id: this.create_buffer_for_peer(&buffer, peer_id, cx).into(),
5063            })
5064        })?
5065    }
5066
5067    fn create_buffer_for_peer(
5068        &mut self,
5069        buffer: &Entity<Buffer>,
5070        peer_id: proto::PeerId,
5071        cx: &mut App,
5072    ) -> BufferId {
5073        self.buffer_store
5074            .update(cx, |buffer_store, cx| {
5075                buffer_store.create_buffer_for_peer(buffer, peer_id, cx)
5076            })
5077            .detach_and_log_err(cx);
5078        buffer.read(cx).remote_id()
5079    }
5080
5081    fn synchronize_remote_buffers(&mut self, cx: &mut Context<Self>) -> Task<Result<()>> {
5082        let project_id = match self.client_state {
5083            ProjectClientState::Remote {
5084                sharing_has_stopped,
5085                remote_id,
5086                ..
5087            } => {
5088                if sharing_has_stopped {
5089                    return Task::ready(Err(anyhow!(
5090                        "can't synchronize remote buffers on a readonly project"
5091                    )));
5092                } else {
5093                    remote_id
5094                }
5095            }
5096            ProjectClientState::Shared { .. } | ProjectClientState::Local => {
5097                return Task::ready(Err(anyhow!(
5098                    "can't synchronize remote buffers on a local project"
5099                )));
5100            }
5101        };
5102
5103        let client = self.collab_client.clone();
5104        cx.spawn(async move |this, cx| {
5105            let (buffers, incomplete_buffer_ids) = this.update(cx, |this, cx| {
5106                this.buffer_store.read(cx).buffer_version_info(cx)
5107            })?;
5108            let response = client
5109                .request(proto::SynchronizeBuffers {
5110                    project_id,
5111                    buffers,
5112                })
5113                .await?;
5114
5115            let send_updates_for_buffers = this.update(cx, |this, cx| {
5116                response
5117                    .buffers
5118                    .into_iter()
5119                    .map(|buffer| {
5120                        let client = client.clone();
5121                        let buffer_id = match BufferId::new(buffer.id) {
5122                            Ok(id) => id,
5123                            Err(e) => {
5124                                return Task::ready(Err(e));
5125                            }
5126                        };
5127                        let remote_version = language::proto::deserialize_version(&buffer.version);
5128                        if let Some(buffer) = this.buffer_for_id(buffer_id, cx) {
5129                            let operations =
5130                                buffer.read(cx).serialize_ops(Some(remote_version), cx);
5131                            cx.background_spawn(async move {
5132                                let operations = operations.await;
5133                                for chunk in split_operations(operations) {
5134                                    client
5135                                        .request(proto::UpdateBuffer {
5136                                            project_id,
5137                                            buffer_id: buffer_id.into(),
5138                                            operations: chunk,
5139                                        })
5140                                        .await?;
5141                                }
5142                                anyhow::Ok(())
5143                            })
5144                        } else {
5145                            Task::ready(Ok(()))
5146                        }
5147                    })
5148                    .collect::<Vec<_>>()
5149            })?;
5150
5151            // Any incomplete buffers have open requests waiting. Request that the host sends
5152            // creates these buffers for us again to unblock any waiting futures.
5153            for id in incomplete_buffer_ids {
5154                cx.background_spawn(client.request(proto::OpenBufferById {
5155                    project_id,
5156                    id: id.into(),
5157                }))
5158                .detach();
5159            }
5160
5161            futures::future::join_all(send_updates_for_buffers)
5162                .await
5163                .into_iter()
5164                .collect()
5165        })
5166    }
5167
5168    pub fn worktree_metadata_protos(&self, cx: &App) -> Vec<proto::WorktreeMetadata> {
5169        self.worktree_store.read(cx).worktree_metadata_protos(cx)
5170    }
5171
5172    /// Iterator of all open buffers that have unsaved changes
5173    pub fn dirty_buffers<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = ProjectPath> + 'a {
5174        self.buffer_store.read(cx).buffers().filter_map(|buf| {
5175            let buf = buf.read(cx);
5176            if buf.is_dirty() {
5177                buf.project_path(cx)
5178            } else {
5179                None
5180            }
5181        })
5182    }
5183
5184    fn set_worktrees_from_proto(
5185        &mut self,
5186        worktrees: Vec<proto::WorktreeMetadata>,
5187        cx: &mut Context<Project>,
5188    ) -> Result<()> {
5189        self.worktree_store.update(cx, |worktree_store, cx| {
5190            worktree_store.set_worktrees_from_proto(worktrees, self.replica_id(), cx)
5191        })
5192    }
5193
5194    fn set_collaborators_from_proto(
5195        &mut self,
5196        messages: Vec<proto::Collaborator>,
5197        cx: &mut Context<Self>,
5198    ) -> Result<()> {
5199        let mut collaborators = HashMap::default();
5200        for message in messages {
5201            let collaborator = Collaborator::from_proto(message)?;
5202            collaborators.insert(collaborator.peer_id, collaborator);
5203        }
5204        for old_peer_id in self.collaborators.keys() {
5205            if !collaborators.contains_key(old_peer_id) {
5206                cx.emit(Event::CollaboratorLeft(*old_peer_id));
5207            }
5208        }
5209        self.collaborators = collaborators;
5210        Ok(())
5211    }
5212
5213    pub fn supplementary_language_servers<'a>(
5214        &'a self,
5215        cx: &'a App,
5216    ) -> impl 'a + Iterator<Item = (LanguageServerId, LanguageServerName)> {
5217        self.lsp_store.read(cx).supplementary_language_servers()
5218    }
5219
5220    pub fn any_language_server_supports_inlay_hints(&self, buffer: &Buffer, cx: &mut App) -> bool {
5221        let Some(language) = buffer.language().cloned() else {
5222            return false;
5223        };
5224        self.lsp_store.update(cx, |lsp_store, _| {
5225            let relevant_language_servers = lsp_store
5226                .languages
5227                .lsp_adapters(&language.name())
5228                .into_iter()
5229                .map(|lsp_adapter| lsp_adapter.name())
5230                .collect::<HashSet<_>>();
5231            lsp_store
5232                .language_server_statuses()
5233                .filter_map(|(server_id, server_status)| {
5234                    relevant_language_servers
5235                        .contains(&server_status.name)
5236                        .then_some(server_id)
5237                })
5238                .filter_map(|server_id| lsp_store.lsp_server_capabilities.get(&server_id))
5239                .any(InlayHints::check_capabilities)
5240        })
5241    }
5242
5243    pub fn language_server_id_for_name(
5244        &self,
5245        buffer: &Buffer,
5246        name: &LanguageServerName,
5247        cx: &App,
5248    ) -> Option<LanguageServerId> {
5249        let language = buffer.language()?;
5250        let relevant_language_servers = self
5251            .languages
5252            .lsp_adapters(&language.name())
5253            .into_iter()
5254            .map(|lsp_adapter| lsp_adapter.name())
5255            .collect::<HashSet<_>>();
5256        if !relevant_language_servers.contains(name) {
5257            return None;
5258        }
5259        self.language_server_statuses(cx)
5260            .filter(|(_, server_status)| relevant_language_servers.contains(&server_status.name))
5261            .find_map(|(server_id, server_status)| {
5262                if &server_status.name == name {
5263                    Some(server_id)
5264                } else {
5265                    None
5266                }
5267            })
5268    }
5269
5270    #[cfg(any(test, feature = "test-support"))]
5271    pub fn has_language_servers_for(&self, buffer: &Buffer, cx: &mut App) -> bool {
5272        self.lsp_store.update(cx, |this, cx| {
5273            this.language_servers_for_local_buffer(buffer, cx)
5274                .next()
5275                .is_some()
5276        })
5277    }
5278
5279    pub fn git_init(
5280        &self,
5281        path: Arc<Path>,
5282        fallback_branch_name: String,
5283        cx: &App,
5284    ) -> Task<Result<()>> {
5285        self.git_store
5286            .read(cx)
5287            .git_init(path, fallback_branch_name, cx)
5288    }
5289
5290    pub fn buffer_store(&self) -> &Entity<BufferStore> {
5291        &self.buffer_store
5292    }
5293
5294    pub fn git_store(&self) -> &Entity<GitStore> {
5295        &self.git_store
5296    }
5297
5298    pub fn agent_server_store(&self) -> &Entity<AgentServerStore> {
5299        &self.agent_server_store
5300    }
5301
5302    #[cfg(test)]
5303    fn git_scans_complete(&self, cx: &Context<Self>) -> Task<()> {
5304        cx.spawn(async move |this, cx| {
5305            let scans_complete = this
5306                .read_with(cx, |this, cx| {
5307                    this.worktrees(cx)
5308                        .filter_map(|worktree| Some(worktree.read(cx).as_local()?.scan_complete()))
5309                        .collect::<Vec<_>>()
5310                })
5311                .unwrap();
5312            join_all(scans_complete).await;
5313            let barriers = this
5314                .update(cx, |this, cx| {
5315                    let repos = this.repositories(cx).values().cloned().collect::<Vec<_>>();
5316                    repos
5317                        .into_iter()
5318                        .map(|repo| repo.update(cx, |repo, _| repo.barrier()))
5319                        .collect::<Vec<_>>()
5320                })
5321                .unwrap();
5322            join_all(barriers).await;
5323        })
5324    }
5325
5326    pub fn active_repository(&self, cx: &App) -> Option<Entity<Repository>> {
5327        self.git_store.read(cx).active_repository()
5328    }
5329
5330    pub fn repositories<'a>(&self, cx: &'a App) -> &'a HashMap<RepositoryId, Entity<Repository>> {
5331        self.git_store.read(cx).repositories()
5332    }
5333
5334    pub fn status_for_buffer_id(&self, buffer_id: BufferId, cx: &App) -> Option<FileStatus> {
5335        self.git_store.read(cx).status_for_buffer_id(buffer_id, cx)
5336    }
5337
5338    pub fn set_agent_location(
5339        &mut self,
5340        new_location: Option<AgentLocation>,
5341        cx: &mut Context<Self>,
5342    ) {
5343        if let Some(old_location) = self.agent_location.as_ref() {
5344            old_location
5345                .buffer
5346                .update(cx, |buffer, cx| buffer.remove_agent_selections(cx))
5347                .ok();
5348        }
5349
5350        if let Some(location) = new_location.as_ref() {
5351            location
5352                .buffer
5353                .update(cx, |buffer, cx| {
5354                    buffer.set_agent_selections(
5355                        Arc::from([language::Selection {
5356                            id: 0,
5357                            start: location.position,
5358                            end: location.position,
5359                            reversed: false,
5360                            goal: language::SelectionGoal::None,
5361                        }]),
5362                        false,
5363                        CursorShape::Hollow,
5364                        cx,
5365                    )
5366                })
5367                .ok();
5368        }
5369
5370        self.agent_location = new_location;
5371        cx.emit(Event::AgentLocationChanged);
5372    }
5373
5374    pub fn agent_location(&self) -> Option<AgentLocation> {
5375        self.agent_location.clone()
5376    }
5377
5378    pub fn path_style(&self, cx: &App) -> PathStyle {
5379        self.worktree_store.read(cx).path_style()
5380    }
5381
5382    pub fn contains_local_settings_file(
5383        &self,
5384        worktree_id: WorktreeId,
5385        rel_path: &RelPath,
5386        cx: &App,
5387    ) -> bool {
5388        self.worktree_for_id(worktree_id, cx)
5389            .map_or(false, |worktree| {
5390                worktree.read(cx).entry_for_path(rel_path).is_some()
5391            })
5392    }
5393
5394    pub fn update_local_settings_file(
5395        &self,
5396        worktree_id: WorktreeId,
5397        rel_path: Arc<RelPath>,
5398        cx: &mut App,
5399        update: impl 'static + Send + FnOnce(&mut settings::SettingsContent, &App),
5400    ) {
5401        let Some(worktree) = self.worktree_for_id(worktree_id, cx) else {
5402            // todo(settings_ui) error?
5403            return;
5404        };
5405        cx.spawn(async move |cx| {
5406            let file = worktree
5407                .update(cx, |worktree, cx| worktree.load_file(&rel_path, cx))?
5408                .await
5409                .context("Failed to load settings file")?;
5410
5411            let new_text = cx.read_global::<SettingsStore, _>(|store, cx| {
5412                store.new_text_for_update(file.text, move |settings| update(settings, cx))
5413            })?;
5414            worktree
5415                .update(cx, |worktree, cx| {
5416                    let line_ending = text::LineEnding::detect(&new_text);
5417                    worktree.write_file(
5418                        rel_path.clone(),
5419                        Rope::from_str(&new_text, cx.background_executor()),
5420                        line_ending,
5421                        cx,
5422                    )
5423                })?
5424                .await
5425                .context("Failed to write settings file")?;
5426
5427            anyhow::Ok(())
5428        })
5429        .detach_and_log_err(cx);
5430    }
5431}
5432
5433pub struct PathMatchCandidateSet {
5434    pub snapshot: Snapshot,
5435    pub include_ignored: bool,
5436    pub include_root_name: bool,
5437    pub candidates: Candidates,
5438}
5439
5440pub enum Candidates {
5441    /// Only consider directories.
5442    Directories,
5443    /// Only consider files.
5444    Files,
5445    /// Consider directories and files.
5446    Entries,
5447}
5448
5449impl<'a> fuzzy::PathMatchCandidateSet<'a> for PathMatchCandidateSet {
5450    type Candidates = PathMatchCandidateSetIter<'a>;
5451
5452    fn id(&self) -> usize {
5453        self.snapshot.id().to_usize()
5454    }
5455
5456    fn len(&self) -> usize {
5457        match self.candidates {
5458            Candidates::Files => {
5459                if self.include_ignored {
5460                    self.snapshot.file_count()
5461                } else {
5462                    self.snapshot.visible_file_count()
5463                }
5464            }
5465
5466            Candidates::Directories => {
5467                if self.include_ignored {
5468                    self.snapshot.dir_count()
5469                } else {
5470                    self.snapshot.visible_dir_count()
5471                }
5472            }
5473
5474            Candidates::Entries => {
5475                if self.include_ignored {
5476                    self.snapshot.entry_count()
5477                } else {
5478                    self.snapshot.visible_entry_count()
5479                }
5480            }
5481        }
5482    }
5483
5484    fn prefix(&self) -> Arc<RelPath> {
5485        if self.snapshot.root_entry().is_some_and(|e| e.is_file()) || self.include_root_name {
5486            self.snapshot.root_name().into()
5487        } else {
5488            RelPath::empty().into()
5489        }
5490    }
5491
5492    fn root_is_file(&self) -> bool {
5493        self.snapshot.root_entry().is_some_and(|f| f.is_file())
5494    }
5495
5496    fn path_style(&self) -> PathStyle {
5497        self.snapshot.path_style()
5498    }
5499
5500    fn candidates(&'a self, start: usize) -> Self::Candidates {
5501        PathMatchCandidateSetIter {
5502            traversal: match self.candidates {
5503                Candidates::Directories => self.snapshot.directories(self.include_ignored, start),
5504                Candidates::Files => self.snapshot.files(self.include_ignored, start),
5505                Candidates::Entries => self.snapshot.entries(self.include_ignored, start),
5506            },
5507        }
5508    }
5509}
5510
5511pub struct PathMatchCandidateSetIter<'a> {
5512    traversal: Traversal<'a>,
5513}
5514
5515impl<'a> Iterator for PathMatchCandidateSetIter<'a> {
5516    type Item = fuzzy::PathMatchCandidate<'a>;
5517
5518    fn next(&mut self) -> Option<Self::Item> {
5519        self.traversal
5520            .next()
5521            .map(|entry| fuzzy::PathMatchCandidate {
5522                is_dir: entry.kind.is_dir(),
5523                path: &entry.path,
5524                char_bag: entry.char_bag,
5525            })
5526    }
5527}
5528
5529impl EventEmitter<Event> for Project {}
5530
5531impl<'a> From<&'a ProjectPath> for SettingsLocation<'a> {
5532    fn from(val: &'a ProjectPath) -> Self {
5533        SettingsLocation {
5534            worktree_id: val.worktree_id,
5535            path: val.path.as_ref(),
5536        }
5537    }
5538}
5539
5540impl<P: Into<Arc<RelPath>>> From<(WorktreeId, P)> for ProjectPath {
5541    fn from((worktree_id, path): (WorktreeId, P)) -> Self {
5542        Self {
5543            worktree_id,
5544            path: path.into(),
5545        }
5546    }
5547}
5548
5549/// ResolvedPath is a path that has been resolved to either a ProjectPath
5550/// or an AbsPath and that *exists*.
5551#[derive(Debug, Clone)]
5552pub enum ResolvedPath {
5553    ProjectPath {
5554        project_path: ProjectPath,
5555        is_dir: bool,
5556    },
5557    AbsPath {
5558        path: String,
5559        is_dir: bool,
5560    },
5561}
5562
5563impl ResolvedPath {
5564    pub fn abs_path(&self) -> Option<&str> {
5565        match self {
5566            Self::AbsPath { path, .. } => Some(path),
5567            _ => None,
5568        }
5569    }
5570
5571    pub fn into_abs_path(self) -> Option<String> {
5572        match self {
5573            Self::AbsPath { path, .. } => Some(path),
5574            _ => None,
5575        }
5576    }
5577
5578    pub fn project_path(&self) -> Option<&ProjectPath> {
5579        match self {
5580            Self::ProjectPath { project_path, .. } => Some(project_path),
5581            _ => None,
5582        }
5583    }
5584
5585    pub fn is_file(&self) -> bool {
5586        !self.is_dir()
5587    }
5588
5589    pub fn is_dir(&self) -> bool {
5590        match self {
5591            Self::ProjectPath { is_dir, .. } => *is_dir,
5592            Self::AbsPath { is_dir, .. } => *is_dir,
5593        }
5594    }
5595}
5596
5597impl ProjectItem for Buffer {
5598    fn try_open(
5599        project: &Entity<Project>,
5600        path: &ProjectPath,
5601        cx: &mut App,
5602    ) -> Option<Task<Result<Entity<Self>>>> {
5603        Some(project.update(cx, |project, cx| project.open_buffer(path.clone(), cx)))
5604    }
5605
5606    fn entry_id(&self, _cx: &App) -> Option<ProjectEntryId> {
5607        File::from_dyn(self.file()).and_then(|file| file.project_entry_id())
5608    }
5609
5610    fn project_path(&self, cx: &App) -> Option<ProjectPath> {
5611        self.file().map(|file| ProjectPath {
5612            worktree_id: file.worktree_id(cx),
5613            path: file.path().clone(),
5614        })
5615    }
5616
5617    fn is_dirty(&self) -> bool {
5618        self.is_dirty()
5619    }
5620}
5621
5622impl Completion {
5623    pub fn kind(&self) -> Option<CompletionItemKind> {
5624        self.source
5625            // `lsp::CompletionListItemDefaults` has no `kind` field
5626            .lsp_completion(false)
5627            .and_then(|lsp_completion| lsp_completion.kind)
5628    }
5629
5630    pub fn label(&self) -> Option<String> {
5631        self.source
5632            .lsp_completion(false)
5633            .map(|lsp_completion| lsp_completion.label.clone())
5634    }
5635
5636    /// A key that can be used to sort completions when displaying
5637    /// them to the user.
5638    pub fn sort_key(&self) -> (usize, &str) {
5639        const DEFAULT_KIND_KEY: usize = 4;
5640        let kind_key = self
5641            .kind()
5642            .and_then(|lsp_completion_kind| match lsp_completion_kind {
5643                lsp::CompletionItemKind::KEYWORD => Some(0),
5644                lsp::CompletionItemKind::VARIABLE => Some(1),
5645                lsp::CompletionItemKind::CONSTANT => Some(2),
5646                lsp::CompletionItemKind::PROPERTY => Some(3),
5647                _ => None,
5648            })
5649            .unwrap_or(DEFAULT_KIND_KEY);
5650        (kind_key, self.label.filter_text())
5651    }
5652
5653    /// Whether this completion is a snippet.
5654    pub fn is_snippet(&self) -> bool {
5655        self.source
5656            // `lsp::CompletionListItemDefaults` has `insert_text_format` field
5657            .lsp_completion(true)
5658            .is_some_and(|lsp_completion| {
5659                lsp_completion.insert_text_format == Some(lsp::InsertTextFormat::SNIPPET)
5660            })
5661    }
5662
5663    /// Returns the corresponding color for this completion.
5664    ///
5665    /// Will return `None` if this completion's kind is not [`CompletionItemKind::COLOR`].
5666    pub fn color(&self) -> Option<Hsla> {
5667        // `lsp::CompletionListItemDefaults` has no `kind` field
5668        let lsp_completion = self.source.lsp_completion(false)?;
5669        if lsp_completion.kind? == CompletionItemKind::COLOR {
5670            return color_extractor::extract_color(&lsp_completion);
5671        }
5672        None
5673    }
5674}
5675
5676fn proto_to_prompt(level: proto::language_server_prompt_request::Level) -> gpui::PromptLevel {
5677    match level {
5678        proto::language_server_prompt_request::Level::Info(_) => gpui::PromptLevel::Info,
5679        proto::language_server_prompt_request::Level::Warning(_) => gpui::PromptLevel::Warning,
5680        proto::language_server_prompt_request::Level::Critical(_) => gpui::PromptLevel::Critical,
5681    }
5682}
5683
5684fn provide_inline_values(
5685    captures: impl Iterator<Item = (Range<usize>, language::DebuggerTextObject)>,
5686    snapshot: &language::BufferSnapshot,
5687    max_row: usize,
5688) -> Vec<InlineValueLocation> {
5689    let mut variables = Vec::new();
5690    let mut variable_position = HashSet::default();
5691    let mut scopes = Vec::new();
5692
5693    let active_debug_line_offset = snapshot.point_to_offset(Point::new(max_row as u32, 0));
5694
5695    for (capture_range, capture_kind) in captures {
5696        match capture_kind {
5697            language::DebuggerTextObject::Variable => {
5698                let variable_name = snapshot
5699                    .text_for_range(capture_range.clone())
5700                    .collect::<String>();
5701                let point = snapshot.offset_to_point(capture_range.end);
5702
5703                while scopes
5704                    .last()
5705                    .is_some_and(|scope: &Range<_>| !scope.contains(&capture_range.start))
5706                {
5707                    scopes.pop();
5708                }
5709
5710                if point.row as usize > max_row {
5711                    break;
5712                }
5713
5714                let scope = if scopes
5715                    .last()
5716                    .is_none_or(|scope| !scope.contains(&active_debug_line_offset))
5717                {
5718                    VariableScope::Global
5719                } else {
5720                    VariableScope::Local
5721                };
5722
5723                if variable_position.insert(capture_range.end) {
5724                    variables.push(InlineValueLocation {
5725                        variable_name,
5726                        scope,
5727                        lookup: VariableLookupKind::Variable,
5728                        row: point.row as usize,
5729                        column: point.column as usize,
5730                    });
5731                }
5732            }
5733            language::DebuggerTextObject::Scope => {
5734                while scopes.last().map_or_else(
5735                    || false,
5736                    |scope: &Range<usize>| {
5737                        !(scope.contains(&capture_range.start)
5738                            && scope.contains(&capture_range.end))
5739                    },
5740                ) {
5741                    scopes.pop();
5742                }
5743                scopes.push(capture_range);
5744            }
5745        }
5746    }
5747
5748    variables
5749}
5750
5751#[cfg(test)]
5752mod disable_ai_settings_tests {
5753    use super::*;
5754    use gpui::TestAppContext;
5755    use settings::Settings;
5756
5757    #[gpui::test]
5758    async fn test_disable_ai_settings_security(cx: &mut TestAppContext) {
5759        cx.update(|cx| {
5760            settings::init(cx);
5761            Project::init_settings(cx);
5762
5763            // Test 1: Default is false (AI enabled)
5764            assert!(
5765                !DisableAiSettings::get_global(cx).disable_ai,
5766                "Default should allow AI"
5767            );
5768        });
5769
5770        let disable_true = serde_json::json!({
5771            "disable_ai": true
5772        })
5773        .to_string();
5774        let disable_false = serde_json::json!({
5775            "disable_ai": false
5776        })
5777        .to_string();
5778
5779        cx.update_global::<SettingsStore, _>(|store, cx| {
5780            store.set_user_settings(&disable_false, cx).unwrap();
5781            store.set_global_settings(&disable_true, cx).unwrap();
5782        });
5783        cx.update(|cx| {
5784            assert!(
5785                DisableAiSettings::get_global(cx).disable_ai,
5786                "Local false cannot override global true"
5787            );
5788        });
5789
5790        cx.update_global::<SettingsStore, _>(|store, cx| {
5791            store.set_global_settings(&disable_false, cx).unwrap();
5792            store.set_user_settings(&disable_true, cx).unwrap();
5793        });
5794
5795        cx.update(|cx| {
5796            assert!(
5797                DisableAiSettings::get_global(cx).disable_ai,
5798                "Local false cannot override global true"
5799            );
5800        });
5801    }
5802}