AudioAttachmentView.java revision 79bf6f70c54d08dc9c3481b8461a3a46a3cefb83 
1/*
2 * Copyright (C) 2008 Esmertec AG.
3 * Copyright (C) 2008 The Android Open Source Project
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 *      http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18package com.android.mms.ui;
19
20import com.android.mms.R;
21
22import android.content.Context;
23import android.content.res.Resources;
24import android.graphics.Bitmap;
25import android.media.AudioManager;
26import android.media.MediaPlayer;
27import android.media.MediaPlayer.OnCompletionListener;
28import android.media.MediaPlayer.OnErrorListener;
29import android.net.Uri;
30import android.util.AttributeSet;
31import android.util.Log;
32import android.widget.LinearLayout;
33import android.widget.TextView;
34
35import java.util.Map;
36
37/**
38 * This class provides an embedded editor/viewer of audio attachment.
39 */
40public class AudioAttachmentView extends LinearLayout implements
41        SlideViewInterface {
42    private static final String TAG = "AudioAttachmentView";
43
44    private final Resources mRes;
45    private TextView mNameView;
46    private TextView mAlbumView;
47    private TextView mArtistView;
48    private TextView mErrorMsgView;
49    private Uri mAudioUri;
50    private MediaPlayer mMediaPlayer;
51    private boolean mIsPlaying;
52
53    public AudioAttachmentView(Context context) {
54        super(context);
55        mRes = context.getResources();
56    }
57
58    public AudioAttachmentView(Context context, AttributeSet attrs) {
59        super(context, attrs);
60        mRes = context.getResources();
61    }
62
63    @Override
64    protected void onFinishInflate() {
65        mNameView = (TextView) findViewById(R.id.audio_name);
66        mAlbumView = (TextView) findViewById(R.id.album_name);
67        mArtistView = (TextView) findViewById(R.id.artist_name);
68        mErrorMsgView = (TextView) findViewById(R.id.audio_error_msg);
69    }
70
71    private void onPlaybackError() {
72        Log.e(TAG, "Error occurred while playing audio.");
73        showErrorMessage(mRes.getString(R.string.cannot_play_audio));
74        stopAudio();
75    }
76
77    private void cleanupMediaPlayer() {
78        if (mMediaPlayer != null) {
79            try {
80                mMediaPlayer.stop();
81                mMediaPlayer.release();
82            } finally {
83                mMediaPlayer = null;
84            }
85        }
86    }
87
88    synchronized public void startAudio() {
89        if (!mIsPlaying && (mAudioUri != null)) {
90            mMediaPlayer = MediaPlayer.create(mContext, mAudioUri);
91            if (mMediaPlayer != null) {
92                mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
93                mMediaPlayer.setOnCompletionListener(new OnCompletionListener() {
94                    public void onCompletion(MediaPlayer mp) {
95                        stopAudio();
96                    }
97                });
98                mMediaPlayer.setOnErrorListener(new OnErrorListener() {
99                    public boolean onError(MediaPlayer mp, int what, int extra) {
100                        onPlaybackError();
101                        return true;
102                    }
103                });
104
105                mIsPlaying = true;
106                mMediaPlayer.start();
107            }
108        }
109    }
110
111    public void startVideo() {
112        // TODO Auto-generated method stub
113
114    }
115
116    public void setAudio(Uri audio, String name, Map<String, ?> extras) {
117        synchronized (this) {
118            mAudioUri = audio;
119        }
120
121        mNameView.setText(name);
122        mAlbumView.setText((String) extras.get("album"));
123        mArtistView.setText((String) extras.get("artist"));
124    }
125
126    public void setImage(String name, Bitmap bitmap) {
127        // TODO Auto-generated method stub
128
129    }
130
131    public void setImageRegionFit(String fit) {
132        // TODO Auto-generated method stub
133
134    }
135
136    public void setImageVisibility(boolean visible) {
137        // TODO Auto-generated method stub
138
139    }
140
141    public void setText(String name, String text) {
142        // TODO Auto-generated method stub
143
144    }
145
146    public void setTextVisibility(boolean visible) {
147        // TODO Auto-generated method stub
148
149    }
150
151    public void setVideo(String name, Uri video) {
152        // TODO Auto-generated method stub
153
154    }
155
156    public void setVideoThumbnail(String name, Bitmap bitmap) {
157    }
158
159    public void setVideoVisibility(boolean visible) {
160        // TODO Auto-generated method stub
161
162    }
163
164    synchronized public void stopAudio() {
165        try {
166            cleanupMediaPlayer();
167        } finally {
168            mIsPlaying = false;
169        }
170    }
171
172    public void stopVideo() {
173        // TODO Auto-generated method stub
174
175    }
176
177    public void reset() {
178        synchronized (this) {
179            if (mIsPlaying) {
180                stopAudio();
181            }
182        }
183        mErrorMsgView.setVisibility(GONE);
184    }
185
186    public void setVisibility(boolean visible) {
187        // TODO Auto-generated method stub
188
189    }
190
191    private void showErrorMessage(String msg) {
192        mErrorMsgView.setText(msg);
193        mErrorMsgView.setVisibility(VISIBLE);
194    }
195
196    public void pauseAudio() {
197        // TODO Auto-generated method stub
198
199    }
200
201    public void pauseVideo() {
202        // TODO Auto-generated method stub
203
204    }
205
206    public void seekAudio(int seekTo) {
207        // TODO Auto-generated method stub
208
209    }
210
211    public void seekVideo(int seekTo) {
212        // TODO Auto-generated method stub
213
214    }
215}
216