1/**
2 * Copyright (c) 2024-2024 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 geolocation from '@ohos.geoLocationManager';
17import Logger from '../../common/utils/Logger';
18import { BusinessError } from '@ohos.base';
19import { ListenerBean } from './ListenerBean';
20
21const TAG:string = 'LocationService'
22
23export class LocationService {
24  public mIsStart: boolean = false;
25  public mListener: ListenerBean = new ListenerBean(() => {
26  });
27
28  startService() {
29    if (this.mIsStart) {
30      return;
31    }
32    Logger.info(TAG, 'start location service')
33    this.mIsStart = true;
34    geolocation.on('locationEnabledChange', (isChanged: boolean) => {
35      Logger.info(TAG, `start location service isChanged: ${JSON.stringify(isChanged)}`)
36      this.getServiceState();
37    });
38  }
39
40  registerListener(listener: ListenerBean) {
41    Logger.info(TAG, `register locations listener : ${listener}`)
42    this.mListener = listener;
43  }
44
45  async getServiceState(): Promise<void> {
46    Logger.info(TAG, 'get location state');
47    try {
48      let state: boolean = await geolocation.isLocationEnabled();
49      Logger.info(TAG, `get location state, data: ${JSON.stringify(state)}`);
50      this.mListener?.updateServiceState(state);
51    } catch (error) {
52      Logger.info(TAG, `get location state, data: ${error}`);
53    }
54
55  }
56
57  enableLocation() {
58    Logger.info(TAG, 'enable location');
59    try {
60      geolocation.enableLocation()
61        .then((res): void => Logger.info(TAG, `enable location, result: ${JSON.stringify(res)}`))
62        .catch((error: BusinessError): void => Logger.info(TAG, `enable location, result: ${error}`));
63    } catch (err) {
64      Logger.info(TAG, `enable location, result: ${err}`);
65    }
66
67  }
68
69  disableLocation() {
70    Logger.info(TAG, 'disable location');
71    try {
72      geolocation.disableLocation();
73    } catch (err) {
74      Logger.info(TAG, `disenable location, result: ${err}`);
75    }
76  }
77}
78
79let locationService = new LocationService();
80
81export default locationService as LocationService;