package de.pixart.messenger.services; import android.Manifest; import android.content.pm.PackageManager; import android.content.res.ColorStateList; import android.media.MediaPlayer; import android.os.Build; import android.os.Handler; import android.support.v4.app.ActivityCompat; import android.support.v4.content.ContextCompat; import android.view.View; import android.widget.ImageButton; import android.widget.RelativeLayout; import android.widget.SeekBar; import android.widget.TextView; import java.lang.ref.WeakReference; import java.util.Locale; import de.pixart.messenger.Config; import de.pixart.messenger.R; import de.pixart.messenger.entities.Message; import de.pixart.messenger.ui.ConversationsActivity; import de.pixart.messenger.ui.adapter.MessageAdapter; import de.pixart.messenger.ui.util.PendingItem; import de.pixart.messenger.utils.WeakReferenceSet; public class AudioPlayer implements View.OnClickListener, MediaPlayer.OnCompletionListener, SeekBar.OnSeekBarChangeListener, Runnable { private static final int REFRESH_INTERVAL = Config.REFRESH_UI_INTERVAL; private static final Object LOCK = new Object(); public static MediaPlayer player = null; private static Message currentlyPlayingMessage = null; private final MessageAdapter messageAdapter; private final WeakReferenceSet audioPlayerLayouts = new WeakReferenceSet<>(); private final PendingItem> pendingOnClickView = new PendingItem<>(); private final Handler handler = new Handler(); public AudioPlayer(MessageAdapter adapter) { this.messageAdapter = adapter; synchronized (AudioPlayer.LOCK) { if (AudioPlayer.player != null) { AudioPlayer.player.setOnCompletionListener(this); } } } private static String formatTime(int ms) { return String.format(Locale.ENGLISH, "%d:%02d", ms / 60000, Math.min(Math.round((ms % 60000) / 1000f), 59)); } public void init(RelativeLayout audioPlayer, Message message) { synchronized (AudioPlayer.LOCK) { audioPlayer.setTag(message); if (init(ViewHolder.get(audioPlayer), message)) { this.audioPlayerLayouts.addWeakReferenceTo(audioPlayer); this.stopRefresher(true); } else { this.audioPlayerLayouts.removeWeakReferenceTo(audioPlayer); } } } private boolean init(ViewHolder viewHolder, Message message) { if (viewHolder.darkBackground) { viewHolder.runtime.setTextAppearance(this.messageAdapter.getContext(), R.style.TextAppearance_Conversations_Caption_OnDark); } else { viewHolder.runtime.setTextAppearance(this.messageAdapter.getContext(), R.style.TextAppearance_Conversations_Caption); } viewHolder.progress.setOnSeekBarChangeListener(this); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { ColorStateList color = ContextCompat.getColorStateList(messageAdapter.getContext(), viewHolder.darkBackground ? R.color.white70 : R.color.bubble); viewHolder.progress.setThumbTintList(color); viewHolder.progress.setProgressTintList(color); } viewHolder.playPause.setAlpha(viewHolder.darkBackground ? 0.7f : 0.57f); viewHolder.playPause.setOnClickListener(this); if (message == currentlyPlayingMessage) { if (AudioPlayer.player != null && AudioPlayer.player.isPlaying()) { viewHolder.playPause.setImageResource(viewHolder.darkBackground ? R.drawable.ic_pause_white_36dp : R.drawable.ic_pause_black_36dp); viewHolder.progress.setEnabled(true); } else { viewHolder.playPause.setImageResource(viewHolder.darkBackground ? R.drawable.ic_play_arrow_white_36dp : R.drawable.ic_play_arrow_black_36dp); viewHolder.progress.setEnabled(false); } return true; } else { viewHolder.playPause.setImageResource(viewHolder.darkBackground ? R.drawable.ic_play_arrow_white_36dp : R.drawable.ic_play_arrow_black_36dp); viewHolder.runtime.setText(formatTime(message.getFileParams().runtime)); viewHolder.progress.setProgress(0); viewHolder.progress.setEnabled(false); messageAdapter.flagScreenOff(); return false; } } @Override public synchronized void onClick(View v) { if (v.getId() == R.id.play_pause) { synchronized (LOCK) { startStop((ImageButton) v); } } } private void startStop(ImageButton playPause) { if (ContextCompat.checkSelfPermission(messageAdapter.getActivity(), Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) { pendingOnClickView.push(new WeakReference<>(playPause)); ActivityCompat.requestPermissions(messageAdapter.getActivity(), new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, ConversationsActivity.REQUEST_PLAY_PAUSE); return; } final RelativeLayout audioPlayer = (RelativeLayout) playPause.getParent(); final ViewHolder viewHolder = ViewHolder.get(audioPlayer); final Message message = (Message) audioPlayer.getTag(); if (startStop(viewHolder, message)) { this.audioPlayerLayouts.clear(); this.audioPlayerLayouts.addWeakReferenceTo(audioPlayer); stopRefresher(true); } } private boolean playPauseCurrent(ViewHolder viewHolder) { viewHolder.playPause.setAlpha(viewHolder.darkBackground ? 0.7f : 0.57f); if (player.isPlaying()) { viewHolder.progress.setEnabled(false); player.pause(); messageAdapter.flagScreenOff(); viewHolder.playPause.setImageResource(viewHolder.darkBackground ? R.drawable.ic_play_arrow_white_36dp : R.drawable.ic_play_arrow_black_36dp); } else { viewHolder.progress.setEnabled(true); player.start(); messageAdapter.flagScreenOn(); this.stopRefresher(true); viewHolder.playPause.setImageResource(viewHolder.darkBackground ? R.drawable.ic_pause_white_36dp : R.drawable.ic_pause_black_36dp); } return false; } private boolean play(ViewHolder viewHolder, Message message) { AudioPlayer.player = new MediaPlayer(); try { AudioPlayer.currentlyPlayingMessage = message; AudioPlayer.player.setDataSource(messageAdapter.getFileBackend().getFile(message).getAbsolutePath()); AudioPlayer.player.setOnCompletionListener(this); AudioPlayer.player.prepare(); AudioPlayer.player.start(); messageAdapter.flagScreenOn(); viewHolder.progress.setEnabled(true); viewHolder.playPause.setImageResource(viewHolder.darkBackground ? R.drawable.ic_pause_white_36dp : R.drawable.ic_pause_black_36dp); return true; } catch (Exception e) { messageAdapter.flagScreenOff(); AudioPlayer.currentlyPlayingMessage = null; return false; } } public void startStopPending() { WeakReference reference = pendingOnClickView.pop(); if (reference != null) { ImageButton imageButton = reference.get(); if (imageButton != null) { startStop(imageButton); } } } private boolean startStop(ViewHolder viewHolder, Message message) { if (message == currentlyPlayingMessage && player != null) { return playPauseCurrent(viewHolder); } if (AudioPlayer.player != null) { stopCurrent(); } return play(viewHolder, message); } private void stopCurrent() { if (AudioPlayer.player.isPlaying()) { AudioPlayer.player.stop(); } AudioPlayer.player.release(); messageAdapter.flagScreenOff(); AudioPlayer.player = null; resetPlayerUi(); } private void resetPlayerUi() { for (WeakReference audioPlayer : audioPlayerLayouts) { resetPlayerUi(audioPlayer.get()); } } private void resetPlayerUi(RelativeLayout audioPlayer) { if (audioPlayer == null) { return; } final ViewHolder viewHolder = ViewHolder.get(audioPlayer); final Message message = (Message) audioPlayer.getTag(); viewHolder.playPause.setImageResource(viewHolder.darkBackground ? R.drawable.ic_play_arrow_white_36dp : R.drawable.ic_play_arrow_black_36dp); if (message != null) { viewHolder.runtime.setText(formatTime(message.getFileParams().runtime)); } viewHolder.progress.setProgress(0); viewHolder.progress.setEnabled(false); } @Override public void onCompletion(MediaPlayer mediaPlayer) { synchronized (AudioPlayer.LOCK) { this.stopRefresher(false); if (AudioPlayer.player == mediaPlayer) { AudioPlayer.currentlyPlayingMessage = null; AudioPlayer.player = null; } mediaPlayer.release(); messageAdapter.flagScreenOff(); resetPlayerUi(); } } @Override public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { synchronized (AudioPlayer.LOCK) { final RelativeLayout audioPlayer = (RelativeLayout) seekBar.getParent(); final Message message = (Message) audioPlayer.getTag(); if (fromUser && message == AudioPlayer.currentlyPlayingMessage) { float percent = progress / 100f; int duration = AudioPlayer.player.getDuration(); int seekTo = Math.round(duration * percent); AudioPlayer.player.seekTo(seekTo); } } } @Override public void onStartTrackingTouch(SeekBar seekBar) { } @Override public void onStopTrackingTouch(SeekBar seekBar) { } public void stop() { synchronized (AudioPlayer.LOCK) { stopRefresher(false); if (AudioPlayer.player != null) { stopCurrent(); } AudioPlayer.currentlyPlayingMessage = null; } } private void stopRefresher(boolean runOnceMore) { this.handler.removeCallbacks(this); if (runOnceMore) { this.handler.post(this); } } @Override public void run() { synchronized (AudioPlayer.LOCK) { if (AudioPlayer.player != null) { boolean renew = false; final int current = player.getCurrentPosition(); final int duration = player.getDuration(); for (WeakReference audioPlayer : audioPlayerLayouts) { renew |= refreshAudioPlayer(audioPlayer.get(), current, duration); } if (renew && AudioPlayer.player.isPlaying()) { handler.postDelayed(this, REFRESH_INTERVAL); } } } } private boolean refreshAudioPlayer(RelativeLayout audioPlayer, int current, int duration) { if (audioPlayer == null || audioPlayer.getVisibility() != View.VISIBLE) { return false; } final ViewHolder viewHolder = ViewHolder.get(audioPlayer); viewHolder.progress.setProgress(current * 100 / duration); viewHolder.runtime.setText(formatTime(current) + " / " + formatTime(duration)); return true; } public static class ViewHolder { private TextView runtime; private SeekBar progress; private ImageButton playPause; private boolean darkBackground = false; public static ViewHolder get(RelativeLayout audioPlayer) { ViewHolder viewHolder = (ViewHolder) audioPlayer.getTag(R.id.TAG_AUDIO_PLAYER_VIEW_HOLDER); if (viewHolder == null) { viewHolder = new ViewHolder(); viewHolder.runtime = audioPlayer.findViewById(R.id.runtime); viewHolder.progress = audioPlayer.findViewById(R.id.progress); viewHolder.playPause = audioPlayer.findViewById(R.id.play_pause); audioPlayer.setTag(R.id.TAG_AUDIO_PLAYER_VIEW_HOLDER, viewHolder); } return viewHolder; } public void setDarkBackground(boolean darkBackground) { this.darkBackground = darkBackground; } } }