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1/**
2 * Copyright (c) 2021-2022 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
16import { ShortcutInfo } from 'bundle/shortcutInfo';
17import launcherBundleManager from '@ohos.bundle.launcherBundleManager';
18import { AppListViewModel } from './AppListViewModel';
19
20const TAG = 'AppGridViewModel';
21
22/**
23 * AppGridViewModel
24 */
25export class AppGridViewModel extends AppListViewModel {
26  private constructor() {
27    super();
28  }
29
30  /**
31   * get instance
32   */
33  static getInstance(): AppGridViewModel {
34    if (globalThis.AppGridViewModel == null) {
35      globalThis.AppGridViewModel = new AppGridViewModel();
36    }
37    return globalThis.AppGridViewModel;
38  }
39
40  /**
41   * Register to listen to events
42   */
43  registerAppListChange() {
44    this.registerAppListChangeCallback();
45  }
46
47  /**
48   * Unregister listener events
49   */
50  unregisterAppListChange() {
51    this.unregisterAppListChangeCallback();
52  }
53
54  registerEventListener() {
55    this.onAppListViewCreate();
56  }
57
58  unregisterEventListener() {
59    this.onAppListViewDestroy();
60  }
61
62  /**
63   * Get shortcut information by bundleName
64   */
65  getShortcutInfo(bundleName: string): launcherBundleManager.ShortcutInfo[] | undefined {
66    return this.mAppModel.getShortcutInfo(bundleName);
67  }
68}