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package de.danoeh.antennapod.activity;
import android.content.SharedPreferences;
import android.media.AudioManager;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.Menu;
import com.google.android.gms.cast.ApplicationMetadata;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.core.cast.CastConsumer;
import de.danoeh.antennapod.core.cast.DefaultCastConsumer;
import de.danoeh.antennapod.core.cast.CastManager;
import de.danoeh.antennapod.core.cast.SwitchableMediaRouteActionProvider;
import de.danoeh.antennapod.core.preferences.UserPreferences;
import de.danoeh.antennapod.core.service.playback.PlaybackService;
/**
* Activity that allows for showing the MediaRouter button whenever there's a cast device in the
* network.
*/
public abstract class CastEnabledActivity extends AppCompatActivity
implements SharedPreferences.OnSharedPreferenceChangeListener {
public static final String TAG = "CastEnabledActivity";
protected CastManager castManager;
private final Object UI_COUNTER_LOCK = new Object();
private volatile boolean isResumed = false;
protected SwitchableMediaRouteActionProvider mediaRouteActionProvider;
protected volatile boolean isCastEnabled = false;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
PreferenceManager.getDefaultSharedPreferences(getApplicationContext()).
registerOnSharedPreferenceChangeListener(this);
castManager = CastManager.getInstance();
castManager.addCastConsumer(castConsumer);
isCastEnabled = UserPreferences.isCastEnabled();
onCastConnectionChanged(castManager.isConnected());
}
@Override
protected void onDestroy() {
PreferenceManager.getDefaultSharedPreferences(getApplicationContext())
.unregisterOnSharedPreferenceChangeListener(this);
castManager.removeCastConsumer(castConsumer);
super.onDestroy();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);
getMenuInflater().inflate(R.menu.cast_enabled, menu);
return true;
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
super.onPrepareOptionsMenu(menu);
mediaRouteActionProvider = castManager
.addMediaRouterButton(menu.findItem(R.id.media_route_menu_item));
mediaRouteActionProvider.setEnabled(isCastEnabled);
return true;
}
@Override
protected void onResume() {
super.onResume();
synchronized (UI_COUNTER_LOCK) {
isResumed = true;
if (isCastEnabled) {
castManager.incrementUiCounter();
}
}
}
@Override
protected void onPause() {
super.onPause();
synchronized (UI_COUNTER_LOCK) {
isResumed = false;
if (isCastEnabled) {
castManager.decrementUiCounter();
}
}
}
@Override
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
if (UserPreferences.PREF_CAST_ENABLED.equals(key)) {
boolean newValue = UserPreferences.isCastEnabled();
Log.d(TAG, "onSharedPreferenceChanged(), isCastEnabled set to " + newValue);
synchronized (UI_COUNTER_LOCK) {
if (isCastEnabled != newValue && isResumed) {
if (newValue) {
castManager.incrementUiCounter();
} else {
castManager.decrementUiCounter();
}
}
isCastEnabled = newValue;
}
mediaRouteActionProvider.setEnabled(isCastEnabled);
// PlaybackService has its own listener, so if it's active we don't have to take action here.
if (!isCastEnabled && !PlaybackService.isRunning) {
CastManager.getInstance().disconnect();
}
}
}
CastConsumer castConsumer = new DefaultCastConsumer() {
@Override
public void onApplicationConnected(ApplicationMetadata appMetadata, String sessionId, boolean wasLaunched) {
onCastConnectionChanged(true);
}
@Override
public void onDisconnected() {
onCastConnectionChanged(false);
}
};
private void onCastConnectionChanged(boolean connected) {
if (connected) {
setVolumeControlStream(AudioManager.USE_DEFAULT_STREAM_TYPE);
} else {
setVolumeControlStream(AudioManager.STREAM_MUSIC);
}
}
}
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