Merge "VolumeControlService: Update volume to device after reconnection" (09280ce8) · Commits · e / os / android_packages_modules_Bluetooth

android/app/src/com/android/bluetooth/vc/VolumeControlService.java

+49 −9

Original line number	Diff line number	Diff line
		@@ -26,6 +26,7 @@ import android.bluetooth.BluetoothDevice;
		import android.bluetooth.BluetoothProfile;
		import android.bluetooth.BluetoothUuid;
		import android.bluetooth.BluetoothVolumeControl;
		import android.bluetooth.IBluetoothLeAudio;
		import android.bluetooth.IBluetoothVolumeControl;
		import android.bluetooth.IBluetoothVolumeControlCallback;
		import android.content.AttributionSource;
		@@ -48,6 +49,7 @@ import com.android.bluetooth.btservice.AdapterService;
		import com.android.bluetooth.btservice.ProfileService;
		import com.android.bluetooth.btservice.ServiceFactory;
		import com.android.bluetooth.btservice.storage.DatabaseManager;
		import com.android.bluetooth.le_audio.LeAudioService;
		import com.android.internal.annotations.VisibleForTesting;
		import com.android.modules.utils.SynchronousResultReceiver;

		@@ -627,21 +629,59 @@ public class VolumeControlService extends ProfileService {

		void handleVolumeControlChanged(BluetoothDevice device, int groupId,
		int volume, boolean mute, boolean isAutonomous) {

		if (isAutonomous && device != null) {
		Log.e(TAG, "We expect only group notification for autonomous updates");
		return;
		}

		if (groupId == IBluetoothLeAudio.LE_AUDIO_GROUP_ID_INVALID) {
		LeAudioService leAudioService = mFactory.getLeAudioService();
		if (leAudioService == null) {
		Log.e(TAG, "leAudioService not available");
		return;
		}
		groupId = leAudioService.getGroupId(device);
		}

		if (groupId == IBluetoothLeAudio.LE_AUDIO_GROUP_ID_INVALID) {
		Log.e(TAG, "Device not a part of the group");
		return;
		}

		int groupVolume = getGroupVolume(groupId);

		if (!isAutonomous) {
		// If the change is triggered by Android device, the stream is already changed.
		/* If the change is triggered by Android device, the stream is already changed.
		* However it might be called with isAutonomous, one the first read of after
		* reconnection. Make sure device has group volume. Also it might happen that
		* remote side send us wrong value - lets check it.
		*/

		if (groupVolume == volume) {
		Log.i(TAG, " Volume:" + volume + " confirmed by remote side.");
		return;
		}
		// TODO: Handle the other arguments: device, groupId, mute.

		/* We are interested only in the group volume as any LeAudio device is a part of group */
		if (device == null) {
		mGroupVolumeCache.put(groupId, volume);
		if (device != null && groupVolume
		!= IBluetoothVolumeControl.VOLUME_CONTROL_UNKNOWN_VOLUME) {
		Log.i(TAG, "Setting value:" + groupVolume + " to " + device);
		mVolumeControlNativeInterface.setVolume(device, groupVolume);
		} else {
		Log.e(TAG, "Volume changed did not succeed. Volume: " + volume
		+ " expected volume: " + groupVolume);
		}
		} else {
		// TODO: Handle the other arguments: mute.

		/* Received group notification for autonomous change. Update cache and audio system. */
		mGroupVolumeCache.put(groupId, volume);

		int streamType = getBluetoothContextualVolumeStream();
		mAudioManager.setStreamVolume(streamType, getDeviceVolume(streamType, volume),
		AudioManager.FLAG_SHOW_UI \| AudioManager.FLAG_BLUETOOTH_ABS_VOLUME);
		}
		}

		int getDeviceVolume(int streamType, int bleVolume) {
		int bleMaxVolume = 255; // min volume is zero