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VolumePanel: Add support for master volume

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Signed-off-by: Mike Lockwood <lockwood@android.com>
This commit is contained in:
Mike Lockwood
2011-10-27 09:52:41 -04:00
committed by Mike Lockwood
parent 8517e46f3d
commit 8dc1dabd25
4 changed files with 100 additions and 20 deletions
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91
core/java/android/view/VolumePanel.java
View File

@@ -92,6 +92,9 @@ public class VolumePanel extends Handler implements OnSeekBarChangeListener, Vie
private static final int MSG_TIMEOUT = 5;
private static final int MSG_RINGER_MODE_CHANGED = 6;
// Pseudo stream type for master volume
private static final int STREAM_MASTER = -1;
protected Context mContext;
private AudioManager mAudioManager;
protected AudioService mAudioService;
@@ -148,7 +151,13 @@ public class VolumePanel extends Handler implements OnSeekBarChangeListener, Vie
R.string.volume_icon_description_notification,
R.drawable.ic_audio_notification,
R.drawable.ic_audio_notification_mute,
true);
true),
// for now, use media resources for master volume
MasterStream(STREAM_MASTER,
R.string.volume_icon_description_media,
R.drawable.ic_audio_vol,
R.drawable.ic_audio_vol_mute,
false);
int streamType;
int descRes;
@@ -173,7 +182,8 @@ public class VolumePanel extends Handler implements OnSeekBarChangeListener, Vie
StreamResources.VoiceStream,
StreamResources.MediaStream,
StreamResources.NotificationStream,
StreamResources.AlarmStream
StreamResources.AlarmStream,
StreamResources.MasterStream
};
/** Object that contains data for each slider */
@@ -195,6 +205,16 @@ public class VolumePanel extends Handler implements OnSeekBarChangeListener, Vie
mAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
mAudioService = volumeService;
// For now, only show master volume if master volume is supported
boolean useMasterVolume = context.getResources().getBoolean(
com.android.internal.R.bool.config_useMasterVolume);
if (useMasterVolume) {
for (int i = 0; i < STREAMS.length; i++) {
StreamResources streamRes = STREAMS[i];
streamRes.show = (streamRes.streamType == STREAM_MASTER);
}
}
LayoutInflater inflater = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View view = mView = inflater.inflate(R.layout.volume_adjust, null);
@@ -245,7 +265,7 @@ public class VolumePanel extends Handler implements OnSeekBarChangeListener, Vie
mVibrator = new Vibrator();
mVoiceCapable = context.getResources().getBoolean(R.bool.config_voice_capable);
mShowCombinedVolumes = !mVoiceCapable;
mShowCombinedVolumes = !mVoiceCapable && !useMasterVolume;
// If we don't want to show multiple volumes, hide the settings button and divider
if (!mShowCombinedVolumes) {
mMoreButton.setVisibility(View.GONE);
@@ -274,7 +294,49 @@ public class VolumePanel extends Handler implements OnSeekBarChangeListener, Vie
}
private boolean isMuted(int streamType) {
return mAudioManager.isStreamMute(streamType);
if (streamType == STREAM_MASTER) {
// master volume mute not yet supported
return false;
} else {
return mAudioService.isStreamMute(streamType);
}
}
private int getStreamMaxVolume(int streamType) {
// master volume is 0.0f - 1.0f, but we will use 0 - 100 internally
if (streamType == STREAM_MASTER) {
return 100;
} else {
return mAudioService.getStreamMaxVolume(streamType);
}
}
private int getStreamVolume(int streamType) {
// master volume is 0.0f - 1.0f, but we will use 0 - 100 internally
if (streamType == STREAM_MASTER) {
return Math.round(mAudioService.getMasterVolume() * 100);
} else {
return mAudioService.getStreamVolume(streamType);
}
}
private void setStreamVolume(int streamType, int index, int flags) {
// master volume is 0.0f - 1.0f, but we will use 0 - 100 internally
if (streamType == STREAM_MASTER) {
mAudioService.setMasterVolume((float)index / 100.0f);
} else {
mAudioService.setStreamVolume(streamType, index, flags);
}
}
private int getLastAudibleStreamVolume(int streamType) {
// master volume is 0.0f - 1.0f, but we will use 0 - 100 internally
if (streamType == STREAM_MASTER) {
// master volume mute not yet supported
return getStreamVolume(STREAM_MASTER);
} else {
return mAudioService.getLastAudibleStreamVolume(streamType);
}
}
private void createSliders() {
@@ -301,7 +363,7 @@ public class VolumePanel extends Handler implements OnSeekBarChangeListener, Vie
sc.seekbarView = (SeekBar) sc.group.findViewById(R.id.seekbar);
int plusOne = (streamType == AudioSystem.STREAM_BLUETOOTH_SCO ||
streamType == AudioSystem.STREAM_VOICE_CALL) ? 1 : 0;
sc.seekbarView.setMax(mAudioManager.getStreamMaxVolume(streamType) + plusOne);
sc.seekbarView.setMax(getStreamMaxVolume(streamType) + plusOne);
sc.seekbarView.setOnSeekBarChangeListener(this);
sc.seekbarView.setTag(sc);
mStreamControls.put(streamType, sc);
@@ -342,7 +404,7 @@ public class VolumePanel extends Handler implements OnSeekBarChangeListener, Vie
/** Update the mute and progress state of a slider */
private void updateSlider(StreamControl sc) {
sc.seekbarView.setProgress(mAudioManager.getLastAudibleStreamVolume(sc.streamType));
sc.seekbarView.setProgress(getLastAudibleStreamVolume(sc.streamType));
final boolean muted = isMuted(sc.streamType);
sc.icon.setImageResource(muted ? sc.iconMuteRes : sc.iconRes);
if (sc.streamType == AudioManager.STREAM_RING && muted
@@ -390,6 +452,10 @@ public class VolumePanel extends Handler implements OnSeekBarChangeListener, Vie
obtainMessage(MSG_VOLUME_CHANGED, streamType, flags).sendToTarget();
}
public void postMasterVolumeChanged(int flags) {
postVolumeChanged(STREAM_MASTER, flags);
}
/**
* Override this if you have other work to do when the volume changes (for
* example, vibrating, playing a sound, etc.). Make sure to call through to
@@ -424,9 +490,9 @@ public class VolumePanel extends Handler implements OnSeekBarChangeListener, Vie
}
protected void onShowVolumeChanged(int streamType, int flags) {
int index = mAudioService.isStreamMute(streamType) ?
mAudioService.getLastAudibleStreamVolume(streamType)
: mAudioService.getStreamVolume(streamType);
int index = isMuted(streamType) ?
getLastAudibleStreamVolume(streamType)
: getStreamVolume(streamType);
mRingIsSilent = false;
@@ -437,7 +503,7 @@ public class VolumePanel extends Handler implements OnSeekBarChangeListener, Vie
// get max volume for progress bar
int max = mAudioService.getStreamMaxVolume(streamType);
int max = getStreamMaxVolume(streamType);
switch (streamType) {
@@ -571,6 +637,7 @@ public class VolumePanel extends Handler implements OnSeekBarChangeListener, Vie
* Lock on this VolumePanel instance as long as you use the returned ToneGenerator.
*/
private ToneGenerator getOrCreateToneGenerator(int streamType) {
if (streamType == STREAM_MASTER) return null;
synchronized (this) {
if (mToneGenerators[streamType] == null) {
try {
@@ -671,8 +738,8 @@ public class VolumePanel extends Handler implements OnSeekBarChangeListener, Vie
final Object tag = seekBar.getTag();
if (fromUser && tag instanceof StreamControl) {
StreamControl sc = (StreamControl) tag;
if (mAudioManager.getStreamVolume(sc.streamType) != progress) {
mAudioManager.setStreamVolume(sc.streamType, progress, 0);
if (getStreamVolume(sc.streamType) != progress) {
setStreamVolume(sc.streamType, progress, 0);
}
}
resetTimeout();

12
media/java/android/media/AudioManager.java
View File

@@ -386,7 +386,7 @@ public class AudioManager {
* since the last volume key up, so cancel any sounds.
*/
if (mUseMasterVolume) {
adjustMasterVolume(ADJUST_SAME);
adjustMasterVolume(ADJUST_SAME, AudioManager.FLAG_REMOVE_SOUND_AND_VIBRATE);
} else {
adjustSuggestedStreamVolume(ADJUST_SAME,
stream, AudioManager.FLAG_REMOVE_SOUND_AND_VIBRATE);
@@ -410,7 +410,8 @@ public class AudioManager {
adjustMasterVolume(
keyCode == KeyEvent.KEYCODE_VOLUME_UP
? ADJUST_RAISE
: ADJUST_LOWER);
: ADJUST_LOWER,
flags);
} else {
if (mVolumeControlStream != -1) {
stream = mVolumeControlStream;
@@ -443,7 +444,7 @@ public class AudioManager {
*/
if (mUseMasterVolume) {
if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
adjustMasterVolume(ADJUST_SAME);
adjustMasterVolume(ADJUST_SAME, FLAG_PLAY_SOUND);
}
} else {
int flags = FLAG_PLAY_SOUND;
@@ -549,11 +550,12 @@ public class AudioManager {
* @param direction The direction to adjust the volume. One of
* {@link #ADJUST_LOWER}, {@link #ADJUST_RAISE}, or
* {@link #ADJUST_SAME}.
* @param flags One or more flags.
*/
private void adjustMasterVolume(int direction) {
private void adjustMasterVolume(int direction, int flags) {
IAudioService service = getService();
try {
service.adjustMasterVolume(direction);
service.adjustMasterVolume(direction, flags);
} catch (RemoteException e) {
Log.e(TAG, "Dead object in adjustMasterVolume", e);
}

11
media/java/android/media/AudioService.java
View File

@@ -615,7 +615,7 @@ public class AudioService extends IAudioService.Stub {
}
/** @see AudioManager#adjustMasterVolume(int) */
public void adjustMasterVolume(int direction) {
public void adjustMasterVolume(int direction, int flags) {
ensureValidDirection(direction);
float volume = AudioSystem.getMasterVolume();
@@ -631,6 +631,7 @@ public class AudioService extends IAudioService.Stub {
long origCallerIdentityToken = Binder.clearCallingIdentity();
Settings.System.putFloat(mContentResolver, Settings.System.VOLUME_MASTER, volume);
Binder.restoreCallingIdentity(origCallerIdentityToken);
mVolumePanel.postMasterVolumeChanged(flags);
}
}
@@ -764,6 +765,14 @@ public class AudioService extends IAudioService.Stub {
return (mStreamStates[streamType].getIndex(device, false /* lastAudible */) + 5) / 10;
}
public float getMasterVolume() {
return AudioSystem.getMasterVolume();
}
public void setMasterVolume(float volume) {
AudioSystem.setMasterVolume(volume);
}
/** @see AudioManager#getStreamMaxVolume(int) */
public int getStreamMaxVolume(int streamType) {
ensureValidStreamType(streamType);

6
media/java/android/media/IAudioService.aidl
View File

@@ -33,7 +33,7 @@ interface IAudioService {
void adjustStreamVolume(int streamType, int direction, int flags);
void adjustMasterVolume(int direction);
void adjustMasterVolume(int direction, int flags);
void setStreamVolume(int streamType, int index, int flags);
@@ -44,7 +44,9 @@ interface IAudioService {
boolean isStreamMute(int streamType);
int getStreamVolume(int streamType);
float getMasterVolume();
int getStreamMaxVolume(int streamType);
int getLastAudibleStreamVolume(int streamType);