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make model-add-case fast, #35996

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This commit is contained in:
Johannes Rieken
2017-10-27 18:21:38 +02:00
parent 217cafb0de
commit aaffe68887
1 changed files with 31 additions and 4 deletions
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35
src/vs/workbench/api/electron-browser/mainThreadDocumentsAndEditors.ts
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@@ -27,9 +27,10 @@ import { ITelemetryService } from 'vs/platform/telemetry/common/telemetry';
namespace mapset {
export function newSet<E>(from: Set<E>): Set<E> {
let ret = new Set<E>();
from.forEach(ret.add, ret);
return ret;
return new (<any>Set)(from);
// let ret = new Set<E>();
// from.forEach(ret.add, ret);
// return ret;
}
export function setValues<T>(set: Set<T>): T[] {
@@ -166,7 +167,7 @@ class MainThreadDocumentAndEditorStateComputer {
@ICodeEditorService private _codeEditorService: ICodeEditorService,
@IWorkbenchEditorService private _workbenchEditorService: IWorkbenchEditorService
) {
this._modelService.onModelAdded(this._updateState, this, this._toDispose);
this._modelService.onModelAdded(this._updateStateOnModelAdd, this, this._toDispose);
this._modelService.onModelRemoved(this._updateState, this, this._toDispose);
this._codeEditorService.onCodeEditorAdd(this._onDidAddEditor, this, this._toDispose);
@@ -196,6 +197,32 @@ class MainThreadDocumentAndEditorStateComputer {
}
}
private _updateStateOnModelAdd(model: IModel): void {
if (model.isTooLargeForHavingARichMode()) {
// ignore
return;
}
if (!this._currentState) {
// too early
this._updateState();
return;
}
// small (fast) delta
this._currentState = new DocumentAndEditorState(
this._currentState.documents.add(model),
this._currentState.editors,
this._currentState.activeEditor
);
this._onDidChangeState(new DocumentAndEditorStateDelta(
[], [model],
[], [],
this._currentState.activeEditor, this._currentState.activeEditor
));
}
private _updateState(): void {
// models: ignore too large models