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1//@ts-nocheck
2/*
3 * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17import Log from '../../../../../../../common/src/main/ets/default/Log';
18import WindowManager, { WindowType } from '../../../../../../../common/src/main/ets/default/WindowManager';
19import getSingleInstance from '../../../../../../../common/src/main/ets/default/SingleInstanceHelper';
20import TintStateManager, { TintState, TintStateListener
21} from '../../../../../../../common/src/main/ets/default/TintStateManager';
22import { NavigationBarComponentData, NAVIGATIONBAR_HIDE_EVENT } from '../common/constants';
23import dataShare from '@ohos.data.dataShare';
24import settings from '@ohos.settings';
25import commonEvent from '@ohos.commonEvent';
26import AbilityManager from '../../../../../../../common/src/main/ets/default/abilitymanager/abilityManager';
27import Constants from '../../../../../../../common/src/main/ets/default/Constants';
28
29const TAG = 'NavigationBarViewModel';
30
31const NAVIGATION_BAE_VIEW_MODEL_KEY = 'AppStorage_NavigationBarViewModel';
32
33const NAVIGATION_BAR_COMPONENT_DATA_KEY = 'AppStorage_NavigationBarComponentData';
34
35export default class NavigationBarViewModel {
36  private readonly settingDataKey = 'settings.display.navigationbar_status';
37  private readonly urivar: string;
38  private readonly helper: dataShare.DataShareHelper;
39  private readonly navigationBarStatusDefaultValue = '1';
40  private isDisplay = true;
41  mNavigationBarComponentData: NavigationBarComponentData  = {
42    ...new NavigationBarComponentData()
43  };
44  mUseCount = 0;
45
46  static getInstance(): NavigationBarViewModel {
47    return getSingleInstance(NavigationBarViewModel, NAVIGATION_BAE_VIEW_MODEL_KEY);
48  }
49
50  constructor() {
51    Log.showInfo(TAG, 'constructor');
52    this.mNavigationBarComponentData =
53    AppStorage.SetAndLink(NAVIGATION_BAR_COMPONENT_DATA_KEY, this.mNavigationBarComponentData).get()
54    if (AbilityManager.getContext(AbilityManager.ABILITY_NAME_NAVIGATION_BAR) == null) {
55      Log.showError(TAG, 'AbilityManager.getContext() is null');
56    } else {
57      Log.showInfo(TAG, 'context: ' + AbilityManager.getContext(AbilityManager.ABILITY_NAME_NAVIGATION_BAR));
58    }
59    this.initNavigationBarStatus();
60    this.initHelper(this.dataChangesCallback.bind(this));
61  }
62
63  private async initHelper(callback: () => void): Promise<void> {
64    this.urivar = Constants.getUriSync(Constants.KEY_NAVIGATIONBAR_STATUS);
65    this.helper = await dataShare.createDataShareHelper(AbilityManager.getContext(AbilityManager.ABILITY_NAME_NAVIGATION_BAR), this.urivar);
66    Log.showInfo(TAG, 'initHelper, helper: ' + this.helper + ', uri: ' + this.urivar);
67    this.helper.on('dataChange', this.urivar, () => {
68      Log.showInfo(TAG, 'onDataChange.');
69      callback();
70    });
71  }
72
73  install(): void {
74    Log.showDebug(TAG, `install, useCount: ${this.mUseCount}`);
75    if (!this.mUseCount) {
76      TintStateManager.getInstance().registerListener('navigation', this as TintStateListener);
77    }
78    this.mUseCount++;
79  }
80
81  uninstall(): void {
82    Log.showDebug(TAG, `uninstall, useCount: ${this.mUseCount}`);
83    this.mUseCount--;
84    if (this.mUseCount) {
85      TintStateManager.getInstance().unregisterListener('navigation');
86    }
87  }
88
89  getNavigationBarComponentData(): NavigationBarComponentData {
90    Log.showDebug(TAG, 'getNavigationBarComponentData');
91    return this.mNavigationBarComponentData;
92  }
93
94  onTintStateChange(tintState: TintState): void {
95    Log.showDebug(TAG, `onTintStateChange, tintState: ${JSON.stringify(tintState)}`);
96    if (typeof (tintState.isEnable) == 'boolean') {
97      this.setWindowEnable(tintState.isEnable);
98    }
99    if (tintState.backgroundColor) {
100      this.mNavigationBarComponentData.backgroundColor = tintState.backgroundColor;
101    }
102    if (tintState.contentColor) {
103      this.mNavigationBarComponentData.contentColor = tintState.contentColor;
104    }
105    Log.showDebug(TAG, `onTintStateChange, backgroundColor ${this.mNavigationBarComponentData.backgroundColor},
106      contentColor ${this.mNavigationBarComponentData.contentColor}`);
107  }
108
109  setWindowEnable(isEnable: boolean): void {
110    Log.showDebug(TAG, `setWindowEnable, isEnable ${String(isEnable)}`);
111    if (this.mNavigationBarComponentData.isEnable == isEnable) {
112      return;
113    }
114    this.mNavigationBarComponentData.isEnable = isEnable;
115    if (isEnable && this.isDisplay) {
116      WindowManager.showWindow(WindowType.NAVIGATION_BAR).then(() => {
117      }).catch((err) => {
118      });
119    } else {
120      WindowManager.hideWindow(WindowType.NAVIGATION_BAR).then(() => {
121      }).catch((err) => {
122      });
123    }
124  }
125
126  private setValue(value: string): void {
127    let context = AbilityManager.getContext(AbilityManager.ABILITY_NAME_NAVIGATION_BAR);
128    settings.setValueSync(context, this.settingDataKey, value);
129  }
130
131  private getValue(defaultValue?: string): string {
132    let context = AbilityManager.getContext(AbilityManager.ABILITY_NAME_NAVIGATION_BAR);
133    return settings.getValueSync(
134      context, this.settingDataKey, defaultValue ? defaultValue : this.navigationBarStatusDefaultValue
135    );
136  }
137
138  /**
139   * Initialize the NavigationBar status.
140   */
141  initNavigationBarStatus(): void {
142    try {
143      let initValue = this.getValue();
144      Log.showInfo(TAG, `initNavigationBarStatus initValue ${initValue}`);
145      this.windowSwitches(initValue);
146    } catch (e) {
147      Log.showError(TAG, `initNavigationBarStatus error:  ${e.toString()}`);
148    }
149  }
150
151  /**
152   * Get NavigationBar status data.
153   * @return
154   */
155  dataChangesCallback(): void {
156    let getRetValue = this.getValue();
157    Log.showInfo(TAG, `dataChangesCallback initValue ${getRetValue}`);
158    this.windowSwitches(getRetValue);
159  }
160
161  private windowSwitches(navigationBarStatusValue: string): void {
162    this.isDisplay = navigationBarStatusValue == '1' ? true : false;
163    if (!this.isDisplay || !this.mNavigationBarComponentData.isEnable) {
164      //For gesture navigation scenarios
165      //Systemui hides the navigation bar,and then notifies the launcher that it can start moving down the dock bar.
166      WindowManager.hideWindow(WindowType.NAVIGATION_BAR).then(() => {
167        if(!this.isDisplay){
168          commonEvent.publish(NAVIGATIONBAR_HIDE_EVENT, (err) => {
169            if (err.code) {
170              Log.showError(TAG, `${NAVIGATIONBAR_HIDE_EVENT} PublishCallBack err: ${JSON.stringify(err)}`);
171            } else {
172              Log.showInfo(TAG, `${NAVIGATIONBAR_HIDE_EVENT} Publish sucess`);
173            }
174          })
175        }
176      }).catch((err) => {
177        Log.showError(TAG, `${NAVIGATIONBAR_HIDE_EVENT} Publish catch err: ${JSON.stringify(err)}`);
178      });
179    } else {
180      WindowManager.showWindow(WindowType.NAVIGATION_BAR).then(() => {
181      }).catch((err) => {
182      });
183    }
184  }
185}