1/**
2 * Copyright (c) 2023 Huawei Device Co., Ltd.
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 */
15
16export class GlobalContext {
17  static readonly globalKeySettingsAbilityContext = 'settingsAbilityContext';
18  static readonly globalKeyAbilityWant = 'abilityWant';
19  static readonly globalKeyAudioManager = 'audioManager';
20  static readonly globalKeyAudioVolumeGroupManager = 'audioVolumeGroupManager';
21
22  private static instance: GlobalContext;
23  private context = new Map<string, Object>();
24
25  private constructor() {
26  }
27
28  public static getContext(): GlobalContext {
29    if (!GlobalContext.instance) {
30      GlobalContext.instance = new GlobalContext();
31    }
32    return GlobalContext.instance;
33  }
34
35  getObject(value: string): Object | undefined {
36    return this.context.get(value);
37  }
38
39  setObject(key: string, objectClass: Object): void {
40    this.context.set(key, objectClass);
41  }
42}