Merge "BluetoothLeAudio: Replace Intents by callbacks" (6f7d9739) · Commits · e / os / android_packages_modules_Bluetooth

android/app/src/com/android/bluetooth/le_audio/LeAudioService.java

+61 −25

Original line number	Diff line number	Diff line
		@@ -832,8 +832,9 @@ public class LeAudioService extends ProfileService {
		* @param newActiveContexts new active contexts for group of devices
		* @param oldActiveContexts old active contexts for group of devices
		* @param isActive if there is new active group
		* @return true if group is active after change false otherwise.
		*/
		private void updateActiveDevices(Integer groupId, Integer oldActiveContexts,
		private boolean updateActiveDevices(Integer groupId, Integer oldActiveContexts,
		Integer newActiveContexts, boolean isActive) {
		BluetoothDevice device = null;

		@@ -853,6 +854,8 @@ public class LeAudioService extends ProfileService {
		\| Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND);
		sendBroadcast(intent, BLUETOOTH_CONNECT);
		}

		return mActiveAudioOutDevice != null;
		}

		/**
		@@ -1014,21 +1017,18 @@ public class LeAudioService extends ProfileService {
		if (descriptor == null) {
		mGroupDescriptors.put(group_id, new LeAudioGroupDescriptor());
		}
		notifyGroupNodeAdded(device, group_id);
		break;
		case LeAudioStackEvent.GROUP_NODE_REMOVED:
		mDeviceGroupIdMap.remove(device);
		if (mDeviceGroupIdMap.containsValue(group_id) == false) {
		mGroupDescriptors.remove(group_id);
		}
		notifyGroupNodeRemoved(device, group_id);
		break;
		default:
		break;
		}

		intent = new Intent(BluetoothLeAudio.ACTION_LE_AUDIO_GROUP_NODE_STATUS_CHANGED);
		intent.putExtra(BluetoothDevice.EXTRA_DEVICE, device);
		intent.putExtra(BluetoothLeAudio.EXTRA_LE_AUDIO_GROUP_ID, group_id);
		intent.putExtra(BluetoothLeAudio.EXTRA_LE_AUDIO_GROUP_NODE_STATUS, node_status);
		} else if (stackEvent.type == LeAudioStackEvent.EVENT_TYPE_AUDIO_CONF_CHANGED) {
		int direction = stackEvent.valueInt1;
		int group_id = stackEvent.valueInt2;
		@@ -1039,21 +1039,17 @@ public class LeAudioService extends ProfileService {
		LeAudioGroupDescriptor descriptor = mGroupDescriptors.get(group_id);
		if (descriptor != null) {
		if (descriptor.mIsActive) {
		descriptor.mIsActive =
		updateActiveDevices(group_id, descriptor.mActiveContexts,
		available_contexts, descriptor.mIsActive);
		if (!descriptor.mIsActive) {
		notifyGroupStatusChanged(group_id, BluetoothLeAudio.GROUP_STATUS_INACTIVE);
		}
		}
		descriptor.mActiveContexts = available_contexts;
		} else {
		Log.e(TAG, "no descriptors for group: " + group_id);
		}

		intent = new Intent(BluetoothLeAudio.ACTION_LE_AUDIO_CONF_CHANGED);
		intent.putExtra(BluetoothDevice.EXTRA_DEVICE, device);
		intent.putExtra(BluetoothLeAudio.EXTRA_LE_AUDIO_GROUP_ID, group_id);
		intent.putExtra(BluetoothLeAudio.EXTRA_LE_AUDIO_DIRECTION, direction);
		intent.putExtra(BluetoothLeAudio.EXTRA_LE_AUDIO_SINK_LOCATION, snk_audio_location);
		intent.putExtra(BluetoothLeAudio.EXTRA_LE_AUDIO_SOURCE_LOCATION, src_audio_location);
		intent.putExtra(BluetoothLeAudio.EXTRA_LE_AUDIO_AVAILABLE_CONTEXTS, available_contexts);
		} else if (stackEvent.type == LeAudioStackEvent.EVENT_TYPE_SINK_AUDIO_LOCATION_AVAILABLE) {
		Objects.requireNonNull(stackEvent.device,
		"Device should never be null, event: " + stackEvent);
		@@ -1068,17 +1064,17 @@ public class LeAudioService extends ProfileService {
		} else if (stackEvent.type == LeAudioStackEvent.EVENT_TYPE_GROUP_STATUS_CHANGED) {
		int group_id = stackEvent.valueInt1;
		int group_status = stackEvent.valueInt2;
		boolean send_intent = false;
		boolean notifyGroupStatus = false;

		switch (group_status) {
		case LeAudioStackEvent.GROUP_STATUS_ACTIVE: {
		LeAudioGroupDescriptor descriptor = mGroupDescriptors.get(group_id);
		if (descriptor != null) {
		if (!descriptor.mIsActive) {
		descriptor.mIsActive = true;
		updateActiveDevices(group_id, ACTIVE_CONTEXTS_NONE,
		descriptor.mActiveContexts, descriptor.mIsActive);
		send_intent = true;
		descriptor.mIsActive = updateActiveDevices(group_id,
		ACTIVE_CONTEXTS_NONE,
		descriptor.mActiveContexts, true);
		notifyGroupStatus = descriptor.mIsActive;
		}
		} else {
		Log.e(TAG, "no descriptors for group: " + group_id);
		@@ -1092,7 +1088,7 @@ public class LeAudioService extends ProfileService {
		descriptor.mIsActive = false;
		updateActiveDevices(group_id, descriptor.mActiveContexts,
		ACTIVE_CONTEXTS_NONE, descriptor.mIsActive);
		send_intent = true;
		notifyGroupStatus = true;
		}
		} else {
		Log.e(TAG, "no descriptors for group: " + group_id);
		@@ -1103,10 +1099,8 @@ public class LeAudioService extends ProfileService {
		break;
		}

		if (send_intent) {
		intent = new Intent(BluetoothLeAudio.ACTION_LE_AUDIO_GROUP_STATUS_CHANGED);
		intent.putExtra(BluetoothLeAudio.EXTRA_LE_AUDIO_GROUP_ID, group_id);
		intent.putExtra(BluetoothLeAudio.EXTRA_LE_AUDIO_GROUP_STATUS, group_status);
		if (notifyGroupStatus) {
		notifyGroupStatusChanged(group_id, group_status);
		}

		} else if (stackEvent.type == LeAudioStackEvent.EVENT_TYPE_BROADCAST_CREATED) {
		@@ -1539,6 +1533,48 @@ public class LeAudioService extends ProfileService {
		}
		}

		private void notifyGroupNodeAdded(BluetoothDevice device, int groupId) {
		if (mLeAudioCallbacks != null) {
		int n = mLeAudioCallbacks.beginBroadcast();
		for (int i = 0; i < n; i++) {
		try {
		mLeAudioCallbacks.getBroadcastItem(i).onGroupNodeAdded(device, groupId);
		} catch (RemoteException e) {
		continue;
		}
		}
		mLeAudioCallbacks.finishBroadcast();
		}
		}

		private void notifyGroupNodeRemoved(BluetoothDevice device, int groupId) {
		if (mLeAudioCallbacks != null) {
		int n = mLeAudioCallbacks.beginBroadcast();
		for (int i = 0; i < n; i++) {
		try {
		mLeAudioCallbacks.getBroadcastItem(i).onGroupNodeRemoved(device, groupId);
		} catch (RemoteException e) {
		continue;
		}
		}
		mLeAudioCallbacks.finishBroadcast();
		}
		}

		private void notifyGroupStatusChanged(int groupId, int status) {
		if (mLeAudioCallbacks != null) {
		int n = mLeAudioCallbacks.beginBroadcast();
		for (int i = 0; i < n; i++) {
		try {
		mLeAudioCallbacks.getBroadcastItem(i).onGroupStatusChanged(groupId, status);
		} catch (RemoteException e) {
		continue;
		}
		}
		mLeAudioCallbacks.finishBroadcast();
		}
		}

		private void notifyUnicastCodecConfigChanged(int groupId,
		BluetoothLeAudioCodecStatus status) {
		if (mLeAudioCallbacks != null) {

android/app/tests/unit/src/com/android/bluetooth/le_audio/LeAudioServiceTest.java

+93 −52

Original line number	Diff line number	Diff line
		@@ -34,8 +34,10 @@ import static org.mockito.Mockito.eq;
		import android.bluetooth.BluetoothAdapter;
		import android.bluetooth.BluetoothDevice;
		import android.bluetooth.BluetoothLeAudio;
		import android.bluetooth.BluetoothLeAudioCodecStatus;
		import android.bluetooth.BluetoothProfile;
		import android.bluetooth.BluetoothUuid;
		import android.bluetooth.IBluetoothLeAudioCallback;
		import android.content.BroadcastReceiver;
		import android.content.Context;
		import android.content.Intent;
		@@ -90,6 +92,7 @@ public class LeAudioServiceTest {
		private HashMap<BluetoothDevice, LinkedBlockingQueue<Intent>> mDeviceQueueMap;
		private LinkedBlockingQueue<Intent> mGroupIntentQueue = new LinkedBlockingQueue<>();
		private int testGroupId = 1;
		private boolean onGroupStatusCallbackCalled = false;

		private BroadcastReceiver mLeAudioIntentReceiver;

		@@ -133,8 +136,7 @@ public class LeAudioServiceTest {
		// Set up the Connection State Changed receiver
		IntentFilter filter = new IntentFilter();
		filter.addAction(BluetoothLeAudio.ACTION_LE_AUDIO_CONNECTION_STATE_CHANGED);
		filter.addAction(BluetoothLeAudio.ACTION_LE_AUDIO_CONF_CHANGED);
		filter.addAction(BluetoothLeAudio.ACTION_LE_AUDIO_GROUP_STATUS_CHANGED);
		filter.addAction(BluetoothLeAudio.ACTION_LE_AUDIO_ACTIVE_DEVICE_CHANGED);
		mLeAudioIntentReceiver = new LeAudioIntentReceiver();
		mTargetContext.registerReceiver(mLeAudioIntentReceiver, filter);

		@@ -198,23 +200,15 @@ public class LeAudioServiceTest {
		+ e.getMessage()).fail();
		}
		}
		if (BluetoothLeAudio.ACTION_LE_AUDIO_CONF_CHANGED.equals(intent.getAction())) {
		if (BluetoothLeAudio.ACTION_LE_AUDIO_ACTIVE_DEVICE_CHANGED.equals(intent.getAction())) {
		try {
		BluetoothDevice device = intent.getParcelableExtra(
		BluetoothDevice.EXTRA_DEVICE);
		assertThat(device).isNotNull();
		if (device != null) {
		LinkedBlockingQueue<Intent> queue = mDeviceQueueMap.get(device);
		assertThat(queue).isNotNull();
		queue.put(intent);
		} catch (InterruptedException e) {
		assertWithMessage("Cannot add Le Audio Intent to the Connection State queue: "
		+ e.getMessage()).fail();
		}
		}

		if (BluetoothLeAudio.ACTION_LE_AUDIO_GROUP_STATUS_CHANGED.equals(intent.getAction())) {
		try {
		mGroupIntentQueue.put(intent);
		} catch (InterruptedException e) {
		assertWithMessage("Cannot add Le Audio Intent to the Connection State queue: "
		+ e.getMessage()).fail();
		@@ -986,18 +980,19 @@ public class LeAudioServiceTest {
		assertThat(mService.getActiveDevices().contains(mSingleDevice)).isTrue();
		}

		/**
		* Test native interface audio configuration changed message handling
		*/
		@Test
		public void testMessageFromNativeAudioConfChanged() {
		private void injectGroupStatusChange(int groupId, int groupStatus) {
		int eventType = LeAudioStackEvent.EVENT_TYPE_GROUP_STATUS_CHANGED;
		LeAudioStackEvent groupStatusChangedEvent = new LeAudioStackEvent(eventType);
		groupStatusChangedEvent.valueInt1 = groupId;
		groupStatusChangedEvent.valueInt2 = groupStatus;
		mService.messageFromNative(groupStatusChangedEvent);
		}

		private void injectAudioConfChanged(int groupId, Integer availableContexts) {
		int direction = 1;
		int groupId = 2;
		int snkAudioLocation = 3;
		int srcAudioLocation = 4;
		int availableContexts = 5;
		int eventType = LeAudioStackEvent.EVENT_TYPE_AUDIO_CONF_CHANGED;
		String action = BluetoothLeAudio.ACTION_LE_AUDIO_CONF_CHANGED;

		// Add device to group
		LeAudioStackEvent audioConfChangedEvent = new LeAudioStackEvent(eventType);
		@@ -1008,45 +1003,87 @@ public class LeAudioServiceTest {
		audioConfChangedEvent.valueInt4 = srcAudioLocation;
		audioConfChangedEvent.valueInt5 = availableContexts;
		mService.messageFromNative(audioConfChangedEvent);
		}
		/**
		* Test native interface audio configuration changed message handling
		*/
		@Test
		public void testMessageFromNativeAudioConfChangedActiveGroup() {
		doReturn(true).when(mNativeInterface).connectLeAudio(any(BluetoothDevice.class));
		connectTestDevice(mSingleDevice, testGroupId);
		injectAudioConfChanged(testGroupId, BluetoothLeAudio.CONTEXT_TYPE_MEDIA \|
		BluetoothLeAudio.CONTEXT_TYPE_COMMUNICATION);
		injectGroupStatusChange(testGroupId, BluetoothLeAudio.GROUP_STATUS_ACTIVE);

		String action = BluetoothLeAudio.ACTION_LE_AUDIO_ACTIVE_DEVICE_CHANGED;

		Intent intent = TestUtils.waitForIntent(TIMEOUT_MS, mDeviceQueueMap.get(mSingleDevice));
		assertThat(intent).isNotNull();
		assertThat(action).isEqualTo(intent.getAction());
		assertThat(mSingleDevice)
		.isEqualTo(intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE));
		assertThat(groupId)
		.isEqualTo(intent.getIntExtra(BluetoothLeAudio.EXTRA_LE_AUDIO_GROUP_ID, -groupId));
		assertThat(direction)
		.isEqualTo(intent
		.getIntExtra(BluetoothLeAudio.EXTRA_LE_AUDIO_DIRECTION, -direction));
		assertThat(snkAudioLocation)
		.isEqualTo(intent
		.getIntExtra(BluetoothLeAudio.EXTRA_LE_AUDIO_SINK_LOCATION, -snkAudioLocation));
		assertThat(srcAudioLocation)
		.isEqualTo(intent
		.getIntExtra(BluetoothLeAudio.EXTRA_LE_AUDIO_SOURCE_LOCATION, srcAudioLocation));
		assertThat(availableContexts)
		.isEqualTo(intent
		.getIntExtra(BluetoothLeAudio.EXTRA_LE_AUDIO_AVAILABLE_CONTEXTS, availableContexts));
		}
		/**
		* Test native interface audio configuration changed message handling
		*/
		@Test
		public void testMessageFromNativeAudioConfChangedInactiveGroup() {
		doReturn(true).when(mNativeInterface).connectLeAudio(any(BluetoothDevice.class));
		connectTestDevice(mSingleDevice, testGroupId);

		String action = BluetoothLeAudio.ACTION_LE_AUDIO_ACTIVE_DEVICE_CHANGED;
		Integer contexts = BluetoothLeAudio.CONTEXT_TYPE_MEDIA \|
		BluetoothLeAudio.CONTEXT_TYPE_COMMUNICATION;
		injectAudioConfChanged(testGroupId, contexts);

		Intent intent = TestUtils.waitForNoIntent(TIMEOUT_MS, mDeviceQueueMap.get(mSingleDevice));
		assertThat(intent).isNull();
		}
		/**
		* Test native interface audio configuration changed message handling
		*/
		@Test
		public void testMessageFromNativeAudioConfChangedNoGroupChanged() {
		doReturn(true).when(mNativeInterface).connectLeAudio(any(BluetoothDevice.class));
		connectTestDevice(mSingleDevice, testGroupId);

		String action = BluetoothLeAudio.ACTION_LE_AUDIO_ACTIVE_DEVICE_CHANGED;

		injectAudioConfChanged(testGroupId, 0);
		Intent intent = TestUtils.waitForNoIntent(TIMEOUT_MS, mDeviceQueueMap.get(mSingleDevice));
		assertThat(intent).isNull();
		}


		private void sendEventAndVerifyIntentForGroupStatusChanged(int groupId, int groupStatus) {
		int eventType = LeAudioStackEvent.EVENT_TYPE_GROUP_STATUS_CHANGED;
		String action = BluetoothLeAudio.ACTION_LE_AUDIO_GROUP_STATUS_CHANGED;

		LeAudioStackEvent groupStatusChangedEvent = new LeAudioStackEvent(eventType);
		groupStatusChangedEvent.valueInt1 = groupId;
		groupStatusChangedEvent.valueInt2 = groupStatus;
		mService.messageFromNative(groupStatusChangedEvent);
		onGroupStatusCallbackCalled = false;

		Intent intent = TestUtils.waitForIntent(TIMEOUT_MS, mGroupIntentQueue);
		assertThat(intent).isNotNull();
		assertThat(action).isEqualTo(intent.getAction());
		assertThat(groupId)
		.isEqualTo(intent.getIntExtra(BluetoothLeAudio.EXTRA_LE_AUDIO_GROUP_ID, -groupId));
		assertThat(groupStatus)
		.isEqualTo(intent
		.getIntExtra(BluetoothLeAudio.EXTRA_LE_AUDIO_GROUP_STATUS, -groupStatus));
		IBluetoothLeAudioCallback leAudioCallbacks =
		new IBluetoothLeAudioCallback.Stub() {
		@Override
		public void onCodecConfigChanged(int gid, BluetoothLeAudioCodecStatus status) {}
		@Override
		public void onGroupStatusChanged(int gid, int gStatus) {
		onGroupStatusCallbackCalled = true;
		assertThat(gid == groupId).isTrue();
		assertThat(gStatus == groupStatus).isTrue();
		}
		@Override
		public void onGroupNodeAdded(BluetoothDevice device, int gid) {}
		@Override
		public void onGroupNodeRemoved(BluetoothDevice device, int gid) {}
		};

		mService.mLeAudioCallbacks.register(leAudioCallbacks);

		injectGroupStatusChange(groupId, groupStatus);

		TestUtils.waitForLooperToFinishScheduledTask(mService.getMainLooper());
		assertThat(onGroupStatusCallbackCalled).isTrue();

		onGroupStatusCallbackCalled = false;
		mService.mLeAudioCallbacks.unregister(leAudioCallbacks);
		}

		/**
		@@ -1057,7 +1094,11 @@ public class LeAudioServiceTest {
		doReturn(true).when(mNativeInterface).connectLeAudio(any(BluetoothDevice.class));
		connectTestDevice(mSingleDevice, testGroupId);

		injectAudioConfChanged(testGroupId, BluetoothLeAudio.CONTEXT_TYPE_MEDIA \|
		BluetoothLeAudio.CONTEXT_TYPE_COMMUNICATION);

		sendEventAndVerifyIntentForGroupStatusChanged(testGroupId, LeAudioStackEvent.GROUP_STATUS_ACTIVE);
		sendEventAndVerifyIntentForGroupStatusChanged(testGroupId, LeAudioStackEvent.GROUP_STATUS_INACTIVE);
		}

		}

framework/api/system-current.txt

+3 −6

Original line number	Diff line number	Diff line
		@@ -338,8 +338,6 @@ package android.bluetooth {
		method @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public void setVolume(@IntRange(from=0, to=255) int);
		method @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public void unregisterCallback(@NonNull android.bluetooth.BluetoothLeAudio.Callback);
		field @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public static final String ACTION_LE_AUDIO_ACTIVE_DEVICE_CHANGED = "android.bluetooth.action.LE_AUDIO_ACTIVE_DEVICE_CHANGED";
		field @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public static final String ACTION_LE_AUDIO_GROUP_NODE_STATUS_CHANGED = "android.bluetooth.action.LE_AUDIO_GROUP_NODE_STATUS_CHANGED";
		field @RequiresPermission(android.Manifest.permission.BLUETOOTH_PRIVILEGED) public static final String ACTION_LE_AUDIO_GROUP_STATUS_CHANGED = "android.bluetooth.action.LE_AUDIO_GROUP_STATUS_CHANGED";
		field public static final int AUDIO_LOCATION_BACK_CENTER = 256; // 0x100
		field public static final int AUDIO_LOCATION_BACK_LEFT = 16; // 0x10
		field public static final int AUDIO_LOCATION_BACK_RIGHT = 32; // 0x20
		@@ -370,14 +368,13 @@ package android.bluetooth {
		field public static final int AUDIO_LOCATION_TOP_SIDE_LEFT = 262144; // 0x40000
		field public static final int AUDIO_LOCATION_TOP_SIDE_RIGHT = 524288; // 0x80000
		field public static final String EXTRA_LE_AUDIO_GROUP_ID = "android.bluetooth.extra.LE_AUDIO_GROUP_ID";
		field public static final String EXTRA_LE_AUDIO_GROUP_NODE_STATUS = "android.bluetooth.extra.LE_AUDIO_GROUP_NODE_STATUS";
		field public static final String EXTRA_LE_AUDIO_GROUP_STATUS = "android.bluetooth.extra.LE_AUDIO_GROUP_STATUS";
		field public static final int GROUP_NODE_ADDED = 1; // 0x1
		field public static final int GROUP_NODE_REMOVED = 2; // 0x2
		}

		public static interface BluetoothLeAudio.Callback {
		method public void onCodecConfigChanged(int, @NonNull android.bluetooth.BluetoothLeAudioCodecStatus);
		method public void onGroupNodeAdded(@NonNull android.bluetooth.BluetoothDevice, int);
		method public void onGroupNodeRemoved(@NonNull android.bluetooth.BluetoothDevice, int);
		method public void onGroupStatusChanged(int, int);
		}

		public final class BluetoothLeAudioCodecConfigMetadata implements android.os.Parcelable {

framework/java/android/bluetooth/BluetoothLeAudio.java

+81 −108

File changed.

Preview size limit exceeded, changes collapsed.

system/binder/android/bluetooth/IBluetoothLeAudioCallback.aidl

+3 −0

Original line number	Diff line number	Diff line
		@@ -28,4 +28,7 @@ import java.util.List;
		*/
		oneway interface IBluetoothLeAudioCallback {
		void onCodecConfigChanged(in int groupId, in BluetoothLeAudioCodecStatus status);
		void onGroupNodeAdded(in BluetoothDevice device, int groupId);
		void onGroupNodeRemoved(in BluetoothDevice device, int groupId);
		void onGroupStatusChanged(int groupId, int groupStatus);
		}