AVRCP volume controls for the docks. (4f773a13) · Commits · e / os / android_frameworks_base

core/java/android/server/BluetoothA2dpService.java

+37 −0

Original line number	Diff line number	Diff line
		@@ -121,10 +121,44 @@ public class BluetoothA2dpService extends IBluetoothA2dp.Stub {
		handleSinkStateChange(device, state, BluetoothA2dp.STATE_DISCONNECTED);
		}
		}
		} else if (action.equals(AudioManager.VOLUME_CHANGED_ACTION)) {
		int streamType = intent.getIntExtra(AudioManager.EXTRA_VOLUME_STREAM_TYPE, -1);
		if (streamType == AudioManager.STREAM_MUSIC) {
		BluetoothDevice sinks[] = getConnectedSinks();
		if (sinks.length != 0 && isPhoneDocked(sinks[0])) {
		String address = sinks[0].getAddress();
		int newVolLevel =
		intent.getIntExtra(AudioManager.EXTRA_VOLUME_STREAM_VALUE, 0);
		int oldVolLevel =
		intent.getIntExtra(AudioManager.EXTRA_PREV_VOLUME_STREAM_VALUE, 0);
		String path = mBluetoothService.getObjectPathFromAddress(address);
		if (newVolLevel > oldVolLevel) {
		avrcpVolumeUpNative(path);
		} else if (newVolLevel < oldVolLevel) {
		avrcpVolumeDownNative(path);
		}
		}
		}
		}
		}
		};


		private boolean isPhoneDocked(BluetoothDevice device) {
		// This works only because these broadcast intents are "sticky"
		Intent i = mContext.registerReceiver(null, new IntentFilter(Intent.ACTION_DOCK_EVENT));
		if (i != null) {
		int state = i.getIntExtra(Intent.EXTRA_DOCK_STATE, Intent.EXTRA_DOCK_STATE_UNDOCKED);
		if (state != Intent.EXTRA_DOCK_STATE_UNDOCKED) {
		BluetoothDevice dockDevice = i.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
		if (dockDevice != null && device.equals(dockDevice)) {
		return true;
		}
		}
		}
		return false;
		}

		public BluetoothA2dpService(Context context, BluetoothService bluetoothService) {
		mContext = context;

		@@ -145,6 +179,7 @@ public class BluetoothA2dpService extends IBluetoothA2dp.Stub {
		mIntentFilter.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED);
		mIntentFilter.addAction(BluetoothDevice.ACTION_ACL_CONNECTED);
		mIntentFilter.addAction(BluetoothDevice.ACTION_ACL_DISCONNECTED);
		mIntentFilter.addAction(AudioManager.VOLUME_CHANGED_ACTION);
		mContext.registerReceiver(mReceiver, mIntentFilter);

		mAudioDevices = new HashMap<BluetoothDevice, Integer>();
		@@ -551,4 +586,6 @@ public class BluetoothA2dpService extends IBluetoothA2dp.Stub {
		private synchronized native boolean suspendSinkNative(String path);
		private synchronized native boolean resumeSinkNative(String path);
		private synchronized native Object []getSinkPropertiesNative(String path);
		private synchronized native boolean avrcpVolumeUpNative(String path);
		private synchronized native boolean avrcpVolumeDownNative(String path);
		}

core/jni/android_server_BluetoothA2dpService.cpp

+35 −0

Original line number	Diff line number	Diff line
		@@ -200,6 +200,38 @@ static jboolean resumeSinkNative(JNIEnv *env, jobject object,
		return JNI_FALSE;
		}

		static jboolean avrcpVolumeUpNative(JNIEnv *env, jobject object,
		jstring path) {
		#ifdef HAVE_BLUETOOTH
		LOGV(__FUNCTION__);
		if (nat) {
		const char *c_path = env->GetStringUTFChars(path, NULL);
		bool ret = dbus_func_args_async(env, nat->conn, -1, NULL, NULL, nat,
		c_path, "org.bluez.Control", "VolumeUp",
		DBUS_TYPE_INVALID);
		env->ReleaseStringUTFChars(path, c_path);
		return ret ? JNI_TRUE : JNI_FALSE;
		}
		#endif
		return JNI_FALSE;
		}

		static jboolean avrcpVolumeDownNative(JNIEnv *env, jobject object,
		jstring path) {
		#ifdef HAVE_BLUETOOTH
		LOGV(__FUNCTION__);
		if (nat) {
		const char *c_path = env->GetStringUTFChars(path, NULL);
		bool ret = dbus_func_args_async(env, nat->conn, -1, NULL, NULL, nat,
		c_path, "org.bluez.Control", "VolumeDown",
		DBUS_TYPE_INVALID);
		env->ReleaseStringUTFChars(path, c_path);
		return ret ? JNI_TRUE : JNI_FALSE;
		}
		#endif
		return JNI_FALSE;
		}

		#ifdef HAVE_BLUETOOTH
		DBusHandlerResult a2dp_event_filter(DBusMessage msg, JNIEnv env) {
		DBusError err;
		@@ -267,6 +299,7 @@ void onConnectSinkResult(DBusMessage msg, void user, void *n) {
		free(user);
		}


		#endif


		@@ -281,6 +314,8 @@ static JNINativeMethod sMethods[] = {
		{"resumeSinkNative", "(Ljava/lang/String;)Z", (void*)resumeSinkNative},
		{"getSinkPropertiesNative", "(Ljava/lang/String;)[Ljava/lang/Object;",
		(void *)getSinkPropertiesNative},
		{"avrcpVolumeUpNative", "(Ljava/lang/String;)Z", (void*)avrcpVolumeUpNative},
		{"avrcpVolumeDownNative", "(Ljava/lang/String;)Z", (void*)avrcpVolumeDownNative},
		};

		int register_android_server_BluetoothA2dpService(JNIEnv *env) {