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 
18 package com.android.mms.ui;
19 
20 import java.util.Map;
21 
22 import android.content.Context;
23 import android.content.res.Resources;
24 import android.graphics.Bitmap;
25 import android.media.AudioManager;
26 import android.media.MediaPlayer;
27 import android.media.MediaPlayer.OnCompletionListener;
28 import android.media.MediaPlayer.OnErrorListener;
29 import android.net.Uri;
30 import android.util.AttributeSet;
31 import android.util.Log;
32 import android.widget.LinearLayout;
33 import android.widget.TextView;
34 
35 import com.android.mms.LogTag;
36 import com.android.mms.R;
37 
38 /**
39  * This class provides an embedded editor/viewer of audio attachment.
40  */
41 public class AudioAttachmentView extends LinearLayout implements
42         SlideViewInterface {
43     private static final String TAG = LogTag.TAG;
44 
45     private final Resources mRes;
46     private TextView mNameView;
47     private TextView mAlbumView;
48     private TextView mArtistView;
49     private TextView mErrorMsgView;
50     private Uri mAudioUri;
51     private MediaPlayer mMediaPlayer;
52     private boolean mIsPlaying;
53 
AudioAttachmentView(Context context)54     public AudioAttachmentView(Context context) {
55         super(context);
56         mRes = context.getResources();
57     }
58 
AudioAttachmentView(Context context, AttributeSet attrs)59     public AudioAttachmentView(Context context, AttributeSet attrs) {
60         super(context, attrs);
61         mRes = context.getResources();
62     }
63 
64     @Override
onFinishInflate()65     protected void onFinishInflate() {
66         mNameView = (TextView) findViewById(R.id.audio_name);
67         mAlbumView = (TextView) findViewById(R.id.album_name);
68         mArtistView = (TextView) findViewById(R.id.artist_name);
69         mErrorMsgView = (TextView) findViewById(R.id.audio_error_msg);
70     }
71 
onPlaybackError()72     private void onPlaybackError() {
73         Log.e(TAG, "Error occurred while playing audio.");
74         showErrorMessage(mRes.getString(R.string.cannot_play_audio));
75         stopAudio();
76     }
77 
cleanupMediaPlayer()78     private void cleanupMediaPlayer() {
79         if (mMediaPlayer != null) {
80             try {
81                 mMediaPlayer.stop();
82                 mMediaPlayer.release();
83             } finally {
84                 mMediaPlayer = null;
85             }
86         }
87     }
88 
startAudio()89     synchronized public void startAudio() {
90         if (!mIsPlaying && (mAudioUri != null)) {
91             mMediaPlayer = MediaPlayer.create(mContext, mAudioUri);
92             if (mMediaPlayer != null) {
93                 mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
94                 mMediaPlayer.setOnCompletionListener(new OnCompletionListener() {
95                     public void onCompletion(MediaPlayer mp) {
96                         stopAudio();
97                     }
98                 });
99                 mMediaPlayer.setOnErrorListener(new OnErrorListener() {
100                     public boolean onError(MediaPlayer mp, int what, int extra) {
101                         onPlaybackError();
102                         return true;
103                     }
104                 });
105 
106                 mIsPlaying = true;
107                 mMediaPlayer.start();
108             }
109         }
110     }
111 
startVideo()112     public void startVideo() {
113         // TODO Auto-generated method stub
114 
115     }
116 
setAudio(Uri audio, String name, Map<String, ?> extras)117     public void setAudio(Uri audio, String name, Map<String, ?> extras) {
118         synchronized (this) {
119             mAudioUri = audio;
120         }
121 
122         mNameView.setText(name);
123         mAlbumView.setText((String) extras.get("album"));
124         mArtistView.setText((String) extras.get("artist"));
125     }
126 
setImage(String name, Bitmap bitmap)127     public void setImage(String name, Bitmap bitmap) {
128         // TODO Auto-generated method stub
129 
130     }
131 
setImageRegionFit(String fit)132     public void setImageRegionFit(String fit) {
133         // TODO Auto-generated method stub
134 
135     }
136 
setImageVisibility(boolean visible)137     public void setImageVisibility(boolean visible) {
138         // TODO Auto-generated method stub
139 
140     }
141 
setText(String name, String text)142     public void setText(String name, String text) {
143         // TODO Auto-generated method stub
144 
145     }
146 
setTextVisibility(boolean visible)147     public void setTextVisibility(boolean visible) {
148         // TODO Auto-generated method stub
149 
150     }
151 
setVideo(String name, Uri video)152     public void setVideo(String name, Uri video) {
153         // TODO Auto-generated method stub
154 
155     }
156 
setVideoThumbnail(String name, Bitmap bitmap)157     public void setVideoThumbnail(String name, Bitmap bitmap) {
158     }
159 
setVideoVisibility(boolean visible)160     public void setVideoVisibility(boolean visible) {
161         // TODO Auto-generated method stub
162 
163     }
164 
stopAudio()165     synchronized public void stopAudio() {
166         try {
167             cleanupMediaPlayer();
168         } finally {
169             mIsPlaying = false;
170         }
171     }
172 
stopVideo()173     public void stopVideo() {
174         // TODO Auto-generated method stub
175 
176     }
177 
reset()178     public void reset() {
179         synchronized (this) {
180             if (mIsPlaying) {
181                 stopAudio();
182             }
183         }
184         mErrorMsgView.setVisibility(GONE);
185     }
186 
setVisibility(boolean visible)187     public void setVisibility(boolean visible) {
188         // TODO Auto-generated method stub
189 
190     }
191 
showErrorMessage(String msg)192     private void showErrorMessage(String msg) {
193         mErrorMsgView.setText(msg);
194         mErrorMsgView.setVisibility(VISIBLE);
195     }
196 
pauseAudio()197     public void pauseAudio() {
198         // TODO Auto-generated method stub
199 
200     }
201 
pauseVideo()202     public void pauseVideo() {
203         // TODO Auto-generated method stub
204 
205     }
206 
seekAudio(int seekTo)207     public void seekAudio(int seekTo) {
208         // TODO Auto-generated method stub
209 
210     }
211 
seekVideo(int seekTo)212     public void seekVideo(int seekTo) {
213         // TODO Auto-generated method stub
214 
215     }
216 }
217