debt - avoid canHandleResource when restoring backups on startup

src/vs/workbench/common/editor/textEditorModel.ts

@@ -74,6 +74,7 @@ export abstract class BaseTextEditorModel extends EditorModel implements ITextEd
 	protected createTextEditorModel(value: ITextBufferFactory, resource?: URI, modeId?: string): TPromise<EditorModel> {
 		const firstLineText = this.getFirstLineText(value);
 		const mode = this.getOrCreateMode(this.modeService, modeId, firstLineText);
+
 		return TPromise.as(this.doCreateTextEditorModel(value, mode, resource));
 	}
 

src/vs/workbench/parts/backup/common/backupRestorer.ts

@@ -7,15 +7,12 @@
 
 import { URI } from 'vs/base/common/uri';
 import { TPromise } from 'vs/base/common/winjs.base';
-import { IUntitledEditorService } from 'vs/workbench/services/untitled/common/untitledEditorService';
 import { IWorkbenchContribution } from 'vs/workbench/common/contributions';
 import { IBackupFileService } from 'vs/workbench/services/backup/common/backup';
 import { IEditorService } from 'vs/workbench/services/editor/common/editorService';
 import { IResourceInput } from 'vs/platform/editor/common/editor';
-import { ITextFileService } from 'vs/workbench/services/textfile/common/textfiles';
 import { Schemas } from 'vs/base/common/network';
 import { ILifecycleService, LifecyclePhase } from 'vs/platform/lifecycle/common/lifecycle';
-import { IFileService } from 'vs/platform/files/common/files';
 import { IUntitledResourceInput } from 'vs/workbench/common/editor';
 
 export class BackupRestorer implements IWorkbenchContribution {
@@ -23,12 +20,9 @@ export class BackupRestorer implements IWorkbenchContribution {
 	private static readonly UNTITLED_REGEX = /Untitled-\d+/;
 
 	constructor(
-		@IUntitledEditorService private untitledEditorService: IUntitledEditorService,
 		@IEditorService private editorService: IEditorService,
 		@IBackupFileService private backupFileService: IBackupFileService,
-		@ITextFileService private textFileService: ITextFileService,
-		@ILifecycleService private lifecycleService: ILifecycleService,
-		@IFileService private fileService: IFileService
+		@ILifecycleService private lifecycleService: ILifecycleService
 	) {
 		this.restoreBackups();
 	}
@@ -60,12 +54,9 @@ export class BackupRestorer implements IWorkbenchContribution {
 		const unresolved: URI[] = [];
 
 		backups.forEach(backup => {
-			if (this.editorService.isOpen({ resource: backup })) {
-				if (this.fileService.canHandleResource(backup)) {
-					restorePromises.push(this.textFileService.models.loadOrCreate(backup).then(null, () => unresolved.push(backup)));
-				} else if (backup.scheme === Schemas.untitled) {
-					restorePromises.push(this.untitledEditorService.loadOrCreate({ resource: backup }).then(null, () => unresolved.push(backup)));
-				}
+			const openedEditor = this.editorService.getOpened({ resource: backup });
+			if (openedEditor) {
+				restorePromises.push(openedEditor.resolve().then(null, () => unresolved.push(backup)));
 			} else {
 				unresolved.push(backup);
 			}

src/vs/workbench/services/editor/browser/editorService.ts

@@ -376,6 +376,25 @@ export class EditorService extends Disposable implements EditorServiceImpl {
 	//#region isOpen()
 
 	isOpen(editor: IEditorInput | IResourceInput | IUntitledResourceInput, group?: IEditorGroup | GroupIdentifier): boolean {
+		return !!this.doGetOpened(editor);
+	}
+
+	//#endregion
+
+	//#region getOpend()
+
+	getOpened(editor: IResourceInput | IUntitledResourceInput, group?: IEditorGroup | GroupIdentifier): IEditorInput {
+		return this.doGetOpened(editor);
+	}
+
+	private doGetOpened(editor: IEditorInput | IResourceInput | IUntitledResourceInput, group?: IEditorGroup | GroupIdentifier): IEditorInput {
+		if (!(editor instanceof EditorInput)) {
+			const resourceInput = editor as IResourceInput | IUntitledResourceInput;
+			if (!resourceInput.resource) {
+				return void 0; // we need a resource at least
+			}
+		}
+
 		let groups: IEditorGroup[] = [];
 		if (typeof group === 'number') {
 			groups.push(this.editorGroupService.getGroup(group));
@@ -385,22 +404,32 @@ export class EditorService extends Disposable implements EditorServiceImpl {
 			groups = [...this.editorGroupService.groups];
 		}
 
-		return groups.some(group => {
+		// For each editor group
+		for (let i = 0; i < groups.length; i++) {
+			const group = groups[i];
+
+			// Typed editor
 			if (editor instanceof EditorInput) {
-				return group.isOpened(editor);
+				if (group.isOpened(editor)) {
+					return editor;
+				}
 			}
 
-			const resourceInput = editor as IResourceInput | IUntitledResourceInput;
-			if (!resourceInput.resource) {
-				return false;
-			}
+			// Resource editor
+			else {
+				for (let j = 0; j < group.editors.length; j++) {
+					const editorInGroup = group.editors[j];
+					const resource = toResource(editorInGroup, { supportSideBySide: true });
 
-			return group.editors.some(editorInGroup => {
-				const resource = toResource(editorInGroup, { supportSideBySide: true });
+					const resourceInput = editor as IResourceInput | IUntitledResourceInput;
+					if (resource.toString() === resourceInput.resource.toString()) {
+						return editorInGroup;
+					}
+				}
+			}
+		}
 
-				return resource && resource.toString() === resourceInput.resource.toString();
-			});
-		});
+		return void 0;
 	}
 
 	//#endregion

src/vs/workbench/services/editor/common/editorService.ts

@@ -151,6 +151,15 @@ export interface IEditorService {
 	 */
 	isOpen(editor: IEditorInput | IResourceInput | IUntitledResourceInput, group?: IEditorGroup | GroupIdentifier): boolean;
 
+	/**
+	 * Get the actual opened editor input in any or a specific editor group based on the resource.
+	 *
+	 * Note: An editor can be opened but not actively visible.
+	 *
+	 * @param group optional to specify a group to check for the editor
+	 */
+	getOpened(editor: IResourceInput | IUntitledResourceInput, group?: IEditorGroup | GroupIdentifier): IEditorInput;
+
 	/**
 	 * Allows to override the opening of editors by installing a handler that will
 	 * be called each time an editor is about to open allowing to override the

src/vs/workbench/services/editor/test/browser/editorService.test.ts

@@ -104,6 +104,7 @@ suite('Editor service', () => {
 			assert.ok(!service.activeTextEditorWidget);
 			assert.equal(service.visibleTextEditorWidgets.length, 0);
 			assert.equal(service.isOpen(input), true);
+			assert.equal(service.getOpened({ resource: input.getResource() }), input);
 			assert.equal(service.isOpen(input, part.activeGroup), true);
 			assert.equal(activeEditorChangeEventCounter, 1);
 			assert.equal(visibleEditorChangeEventCounter, 1);

src/vs/workbench/test/workbenchTestServices.ts

@@ -725,6 +725,10 @@ export class TestEditorService implements EditorServiceImpl {
 		return false;
 	}
 
+	getOpened(editor: IEditorInput | IResourceInput | IUntitledResourceInput): IEditorInput {
+		return void 0;
+	}
+
 	replaceEditors(editors: any, group: any) {
 		return TPromise.as(void 0);
 	}