project.rs

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