1// Copyright (C) 2024 The Android Open Source Project 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15import {assertTrue} from '../base/logging'; 16import {Workspace, WorkspaceManager} from '../public/workspace'; 17import {raf} from './raf_scheduler'; 18 19const DEFAULT_WORKSPACE_NAME = 'Default Workspace'; 20 21export class WorkspaceManagerImpl implements WorkspaceManager { 22 private _workspaces: Workspace[] = []; 23 private _currentWorkspace: Workspace; 24 25 constructor() { 26 // TS compiler cannot see that we are indirectly initializing 27 // _currentWorkspace via resetWorkspaces(), hence the re-assignment. 28 this._currentWorkspace = this.createEmptyWorkspace(DEFAULT_WORKSPACE_NAME); 29 } 30 31 createEmptyWorkspace(title: string): Workspace { 32 const workspace = new Workspace(); 33 workspace.title = title; 34 workspace.onchange = () => raf.scheduleFullRedraw(); 35 this._workspaces.push(workspace); 36 return workspace; 37 } 38 39 switchWorkspace(workspace: Workspace): void { 40 // If this fails the workspace doesn't come from createEmptyWorkspace(). 41 assertTrue(this._workspaces.includes(workspace)); 42 this._currentWorkspace = workspace; 43 } 44 45 get all(): ReadonlyArray<Workspace> { 46 return this._workspaces; 47 } 48 49 get currentWorkspace() { 50 return this._currentWorkspace; 51 } 52} 53