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1/*
2 * Copyright (c) 2023-2024 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 media from '@ohos.multimedia.media';
17import userFileManager from '@ohos.filemanagement.userFileManager';
18import Logger from '../model/Logger';
19
20const TAG: string = '[Recorder.AudioModel]';
21
22export class AudioModel {
23  private audioPlayer = undefined;
24  private playFile: userFileManager.FileAsset = undefined;
25  private dataLoad: boolean = false;
26
27  initAudioPlayer(playSrc: userFileManager.FileAsset, isPlay) {
28    this.playFile = playSrc
29    this.dataLoad = false
30    this.release()
31    this.audioPlayer = media.createAudioPlayer()
32    this.audioPlayer.on('dataLoad', () => {
33      Logger.info(TAG, `case dataLoad called`)
34      this.dataLoad = true
35    })
36    this.audioPlayer.on('stop', () => {
37      Logger.info(TAG, `audioPlayer stop called`)
38      this.audioPlayer.release()
39      this.audioPlayer = undefined
40    })
41    this.audioPlayer.on('error', () => {
42      Logger.info(TAG, `audioPlayer error called`)
43    })
44    this.audioPlayer.reset()
45    let fdPath = playSrc.open('r')
46    fdPath.then(fdNumber => {
47      this.audioPlayer.src = `fd://${fdNumber}`
48      Logger.info(TAG, `create audioPlayer success`)
49    })
50  }
51
52  release() {
53    if (typeof (this.audioPlayer) != `undefined`) {
54      Logger.info(TAG, `audioPlayer  release`)
55      this.audioPlayer.release()
56      this.audioPlayer = undefined
57    }
58  }
59
60  onFinish(callback) {
61    Logger.info(TAG, `set onFinish`);
62    this.audioPlayer.on('finish', () => {
63      Logger.info(TAG, `audioPlayer finish called`);
64      this.audioPlayer.seek(0);
65      this.finish();
66      callback();
67    });
68  }
69
70  play(callback) {
71    if (typeof (this.audioPlayer) != `undefined`) {
72      this.audioPlayer.on('play', () => {
73        Logger.info(TAG, `audioPlayer play called`)
74        callback()
75      })
76      if (this.dataLoad) {
77        this.audioPlayer.play()
78      } else {
79        this.audioPlayer.on('dataLoad', () => {
80          Logger.info(TAG, `case dataLoad called`)
81          this.dataLoad = true
82          this.audioPlayer.play()
83        })
84      }
85    }
86  }
87
88  pause(callback) {
89    if (typeof (this.audioPlayer) != `undefined`) {
90      this.audioPlayer.on('pause', () => {
91        Logger.info(TAG, `case pause called`)
92        callback()
93      })
94      this.audioPlayer.pause()
95    }
96  }
97
98  finish() {
99    if (typeof (this.audioPlayer) != `undefined`) {
100      this.audioPlayer.pause();
101    }
102  }
103}