1package eu.siacs.conversations.ui.service;
2
3import android.content.res.ColorStateList;
4import android.media.MediaPlayer;
5import android.os.Build;
6import android.os.Handler;
7import android.support.v4.content.ContextCompat;
8import android.view.View;
9import android.widget.ImageButton;
10import android.widget.RelativeLayout;
11import android.widget.SeekBar;
12import android.widget.TextView;
13
14import java.lang.ref.WeakReference;
15import java.util.Locale;
16
17import eu.siacs.conversations.R;
18import eu.siacs.conversations.entities.Message;
19import eu.siacs.conversations.ui.adapter.MessageAdapter;
20import eu.siacs.conversations.utils.WeakReferenceSet;
21
22public class AudioPlayer implements View.OnClickListener, MediaPlayer.OnCompletionListener, SeekBar.OnSeekBarChangeListener, Runnable {
23
24 private static final int REFRESH_INTERVAL = 250;
25 private static final Object LOCK = new Object();
26 private static MediaPlayer player = null;
27 private static Message currentlyPlayingMessage = null;
28 private final MessageAdapter messageAdapter;
29 private final WeakReferenceSet<RelativeLayout> audioPlayerLayouts = new WeakReferenceSet<>();
30
31 private final Handler handler = new Handler();
32
33 public AudioPlayer(MessageAdapter adapter) {
34 this.messageAdapter = adapter;
35 synchronized (AudioPlayer.LOCK) {
36 if (AudioPlayer.player != null) {
37 AudioPlayer.player.setOnCompletionListener(this);
38 }
39 }
40 }
41
42 private static String formatTime(int ms) {
43 return String.format(Locale.ENGLISH, "%d:%02d", ms / 60000, Math.min(Math.round((ms % 60000) / 1000f), 59));
44 }
45
46 public void init(RelativeLayout audioPlayer, Message message) {
47 synchronized (AudioPlayer.LOCK) {
48 audioPlayer.setTag(message);
49 if (init(ViewHolder.get(audioPlayer), message)) {
50 this.audioPlayerLayouts.addWeakReferenceTo(audioPlayer);
51 this.stopRefresher(true);
52 } else {
53 this.audioPlayerLayouts.removeWeakReferenceTo(audioPlayer);
54 }
55 }
56 }
57
58 private boolean init(ViewHolder viewHolder, Message message) {
59 viewHolder.runtime.setTextColor(this.messageAdapter.getMessageTextColor(viewHolder.darkBackground, false));
60 viewHolder.progress.setOnSeekBarChangeListener(this);
61 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
62 ColorStateList color = ContextCompat.getColorStateList(messageAdapter.getContext(), viewHolder.darkBackground ? R.color.white70 : R.color.bubble);
63 viewHolder.progress.setThumbTintList(color);
64 viewHolder.progress.setProgressTintList(color);
65 }
66 viewHolder.playPause.setAlpha(viewHolder.darkBackground ? 0.7f : 0.57f);
67 viewHolder.playPause.setOnClickListener(this);
68 if (message == currentlyPlayingMessage) {
69 if (AudioPlayer.player != null && AudioPlayer.player.isPlaying()) {
70 viewHolder.playPause.setImageResource(viewHolder.darkBackground ? R.drawable.ic_pause_white_36dp : R.drawable.ic_pause_black_36dp);
71 viewHolder.progress.setEnabled(true);
72 } else {
73 viewHolder.playPause.setImageResource(viewHolder.darkBackground ? R.drawable.ic_play_arrow_white_36dp : R.drawable.ic_play_arrow_black_36dp);
74 viewHolder.progress.setEnabled(false);
75 }
76 return true;
77 } else {
78 viewHolder.playPause.setImageResource(viewHolder.darkBackground ? R.drawable.ic_play_arrow_white_36dp : R.drawable.ic_play_arrow_black_36dp);
79 viewHolder.runtime.setText(formatTime(message.getFileParams().runtime));
80 viewHolder.progress.setProgress(0);
81 viewHolder.progress.setEnabled(false);
82 return false;
83 }
84 }
85
86 @Override
87 public synchronized void onClick(View v) {
88 if (v.getId() == R.id.play_pause) {
89 synchronized (LOCK) {
90 startStop((ImageButton) v);
91 }
92 }
93 }
94
95 private void startStop(ImageButton playPause) {
96 final RelativeLayout audioPlayer = (RelativeLayout) playPause.getParent();
97 final ViewHolder viewHolder = ViewHolder.get(audioPlayer);
98 final Message message = (Message) audioPlayer.getTag();
99 if (startStop(viewHolder, message)) {
100 this.audioPlayerLayouts.clear();
101 this.audioPlayerLayouts.addWeakReferenceTo(audioPlayer);
102 stopRefresher(true);
103 }
104 }
105
106 private boolean playPauseCurrent(ViewHolder viewHolder) {
107 viewHolder.playPause.setAlpha(viewHolder.darkBackground ? 0.7f : 0.57f);
108 if (player.isPlaying()) {
109 viewHolder.progress.setEnabled(false);
110 player.pause();
111 viewHolder.playPause.setImageResource(viewHolder.darkBackground ? R.drawable.ic_play_arrow_white_36dp : R.drawable.ic_play_arrow_black_36dp);
112 } else {
113 viewHolder.progress.setEnabled(true);
114 player.start();
115 this.stopRefresher(true);
116 viewHolder.playPause.setImageResource(viewHolder.darkBackground ? R.drawable.ic_pause_white_36dp : R.drawable.ic_pause_black_36dp);
117 }
118 return false;
119 }
120
121 private boolean play(ViewHolder viewHolder, Message message) {
122 AudioPlayer.player = new MediaPlayer();
123 try {
124 AudioPlayer.currentlyPlayingMessage = message;
125 AudioPlayer.player.setDataSource(messageAdapter.getFileBackend().getFile(message).getAbsolutePath());
126 AudioPlayer.player.setOnCompletionListener(this);
127 AudioPlayer.player.prepare();
128 AudioPlayer.player.start();
129 viewHolder.progress.setEnabled(true);
130 viewHolder.playPause.setImageResource(viewHolder.darkBackground ? R.drawable.ic_pause_white_36dp : R.drawable.ic_pause_black_36dp);
131 return true;
132 } catch (Exception e) {
133 AudioPlayer.currentlyPlayingMessage = null;
134 return false;
135 }
136 }
137
138 private boolean startStop(ViewHolder viewHolder, Message message) {
139 if (message == currentlyPlayingMessage && player != null) {
140 return playPauseCurrent(viewHolder);
141 }
142 if (AudioPlayer.player != null) {
143 stopCurrent();
144 }
145 return play(viewHolder, message);
146 }
147
148 private void stopCurrent() {
149 if (AudioPlayer.player.isPlaying()) {
150 AudioPlayer.player.stop();
151 }
152 AudioPlayer.player.release();
153 AudioPlayer.player = null;
154 resetPlayerUi();
155 }
156
157 private void resetPlayerUi() {
158 for (WeakReference<RelativeLayout> audioPlayer : audioPlayerLayouts) {
159 resetPlayerUi(audioPlayer.get());
160 }
161 }
162
163 private void resetPlayerUi(RelativeLayout audioPlayer) {
164 if (audioPlayer == null) {
165 return;
166 }
167 final ViewHolder viewHolder = ViewHolder.get(audioPlayer);
168 final Message message = (Message) audioPlayer.getTag();
169 viewHolder.playPause.setImageResource(viewHolder.darkBackground ? R.drawable.ic_play_arrow_white_36dp : R.drawable.ic_play_arrow_black_36dp);
170 if (message != null) {
171 viewHolder.runtime.setText(formatTime(message.getFileParams().runtime));
172 }
173 viewHolder.progress.setProgress(0);
174 viewHolder.progress.setEnabled(false);
175 }
176
177 @Override
178 public void onCompletion(MediaPlayer mediaPlayer) {
179 synchronized (AudioPlayer.LOCK) {
180 this.stopRefresher(false);
181 if (AudioPlayer.player == mediaPlayer) {
182 AudioPlayer.currentlyPlayingMessage = null;
183 AudioPlayer.player = null;
184 }
185 mediaPlayer.release();
186 resetPlayerUi();
187 }
188 }
189
190 @Override
191 public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
192 synchronized (AudioPlayer.LOCK) {
193 final RelativeLayout audioPlayer = (RelativeLayout) seekBar.getParent();
194 final Message message = (Message) audioPlayer.getTag();
195 if (fromUser && message == AudioPlayer.currentlyPlayingMessage) {
196 float percent = progress / 100f;
197 int duration = AudioPlayer.player.getDuration();
198 int seekTo = Math.round(duration * percent);
199 AudioPlayer.player.seekTo(seekTo);
200 }
201 }
202 }
203
204 @Override
205 public void onStartTrackingTouch(SeekBar seekBar) {
206
207 }
208
209 @Override
210 public void onStopTrackingTouch(SeekBar seekBar) {
211
212 }
213
214 public void stop() {
215 synchronized (AudioPlayer.LOCK) {
216 stopRefresher(false);
217 if (AudioPlayer.player != null) {
218 stopCurrent();
219 }
220 AudioPlayer.currentlyPlayingMessage = null;
221 }
222 }
223
224 private void stopRefresher(boolean runOnceMore) {
225 this.handler.removeCallbacks(this);
226 if (runOnceMore) {
227 this.handler.post(this);
228 }
229 }
230
231 @Override
232 public void run() {
233 synchronized (AudioPlayer.LOCK) {
234 if (AudioPlayer.player != null) {
235 boolean renew = false;
236 final int current = player.getCurrentPosition();
237 final int duration = player.getDuration();
238 for (WeakReference<RelativeLayout> audioPlayer : audioPlayerLayouts) {
239 renew |= refreshAudioPlayer(audioPlayer.get(), current, duration);
240 }
241 if (renew && AudioPlayer.player.isPlaying()) {
242 handler.postDelayed(this, REFRESH_INTERVAL);
243 }
244 }
245 }
246 }
247
248 private boolean refreshAudioPlayer(RelativeLayout audioPlayer, int current, int duration) {
249 if (audioPlayer == null || audioPlayer.getVisibility() != View.VISIBLE) {
250 return false;
251 }
252 final ViewHolder viewHolder = ViewHolder.get(audioPlayer);
253 viewHolder.progress.setProgress(current * 100 / duration);
254 viewHolder.runtime.setText(formatTime(current) + " / " + formatTime(duration));
255 return true;
256 }
257
258 public static class ViewHolder {
259 private TextView runtime;
260 private SeekBar progress;
261 private ImageButton playPause;
262 private boolean darkBackground = false;
263
264 public static ViewHolder get(RelativeLayout audioPlayer) {
265 ViewHolder viewHolder = (ViewHolder) audioPlayer.getTag(R.id.TAG_AUDIO_PLAYER_VIEW_HOLDER);
266 if (viewHolder == null) {
267 viewHolder = new ViewHolder();
268 viewHolder.runtime = (TextView) audioPlayer.findViewById(R.id.runtime);
269 viewHolder.progress = (SeekBar) audioPlayer.findViewById(R.id.progress);
270 viewHolder.playPause = (ImageButton) audioPlayer.findViewById(R.id.play_pause);
271 audioPlayer.setTag(R.id.TAG_AUDIO_PLAYER_VIEW_HOLDER, viewHolder);
272 }
273 return viewHolder;
274 }
275
276 public void setDarkBackground(boolean darkBackground) {
277 this.darkBackground = darkBackground;
278 }
279 }
280}