Merge "Handle multiple active bluetooth devices" into rvc-dev am: 4b6472722e... (a7cc3651) · Commits · e / os / android_frameworks_base

media/java/android/media/MediaRouter2Manager.java

+2 −0

Original line number	Diff line number	Diff line
		@@ -344,6 +344,8 @@ public final class MediaRouter2Manager {
		Objects.requireNonNull(sessionInfo, "sessionInfo must not be null");
		Objects.requireNonNull(route, "route must not be null");

		Log.v(TAG, "Transferring routing session. session= " + sessionInfo + ", route=" + route);

		synchronized (mRoutesLock) {
		if (!mRoutes.containsKey(route.getId())) {
		Log.w(TAG, "transfer: Ignoring an unknown route id=" + route.getId());

services/core/java/com/android/server/media/BluetoothRouteProvider.java

+92 −34

Original line number	Diff line number	Diff line
		@@ -17,6 +17,8 @@
		package com.android.server.media;

		import static android.bluetooth.BluetoothAdapter.ACTIVE_DEVICE_AUDIO;
		import static android.bluetooth.BluetoothAdapter.STATE_CONNECTED;
		import static android.bluetooth.BluetoothAdapter.STATE_DISCONNECTED;

		import android.annotation.NonNull;
		import android.annotation.Nullable;
		@@ -33,6 +35,7 @@ import android.media.AudioManager;
		import android.media.AudioSystem;
		import android.media.MediaRoute2Info;
		import android.text.TextUtils;
		import android.util.Log;
		import android.util.Slog;
		import android.util.SparseBooleanArray;
		import android.util.SparseIntArray;
		@@ -48,6 +51,8 @@ import java.util.Objects;

		class BluetoothRouteProvider {
		private static final String TAG = "BTRouteProvider";
		private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);

		private static final String HEARING_AID_ROUTE_ID_PREFIX = "HEARING_AID_";
		private static BluetoothRouteProvider sInstance;

		@@ -55,7 +60,7 @@ class BluetoothRouteProvider {
		// Maps hardware address to BluetoothRouteInfo
		final Map<String, BluetoothRouteInfo> mBluetoothRoutes = new HashMap<>();
		@SuppressWarnings("WeakerAccess") /* synthetic access */
		BluetoothRouteInfo mSelectedRoute = null;
		final List<BluetoothRouteInfo> mActiveRoutes = new ArrayList<>();
		@SuppressWarnings("WeakerAccess") /* synthetic access */
		BluetoothA2dp mA2dpProfile;
		@SuppressWarnings("WeakerAccess") /* synthetic access */
		@@ -104,7 +109,7 @@ class BluetoothRouteProvider {
		// Bluetooth on/off broadcasts
		addEventReceiver(BluetoothAdapter.ACTION_STATE_CHANGED, new AdapterStateChangedReceiver());

		DeviceStateChangedRecevier deviceStateChangedReceiver = new DeviceStateChangedRecevier();
		DeviceStateChangedReceiver deviceStateChangedReceiver = new DeviceStateChangedReceiver();
		addEventReceiver(BluetoothA2dp.ACTION_ACTIVE_DEVICE_CHANGED, deviceStateChangedReceiver);
		addEventReceiver(BluetoothA2dp.ACTION_CONNECTION_STATE_CHANGED, deviceStateChangedReceiver);
		addEventReceiver(BluetoothHearingAid.ACTION_ACTIVE_DEVICE_CHANGED,
		@@ -168,14 +173,16 @@ class BluetoothRouteProvider {

		@Nullable
		MediaRoute2Info getSelectedRoute() {
		return (mSelectedRoute == null) ? null : mSelectedRoute.route;
		// For now, active routes can be multiple only when a pair of hearing aid devices is active.
		// Let the first active device represent them.
		return (mActiveRoutes.isEmpty() ? null : mActiveRoutes.get(0).route);
		}

		@NonNull
		List<MediaRoute2Info> getTransferableRoutes() {
		List<MediaRoute2Info> routes = getAllBluetoothRoutes();
		if (mSelectedRoute != null) {
		routes.remove(mSelectedRoute.route);
		for (BluetoothRouteInfo btRoute : mActiveRoutes) {
		routes.remove(btRoute.route);
		}
		return routes;
		}
		@@ -185,8 +192,14 @@ class BluetoothRouteProvider {
		List<MediaRoute2Info> routes = new ArrayList<>();
		List<String> routeIds = new ArrayList<>();

		MediaRoute2Info selectedRoute = getSelectedRoute();
		if (selectedRoute != null) {
		routes.add(selectedRoute);
		routeIds.add(selectedRoute.getId());
		}

		for (BluetoothRouteInfo btRoute : mBluetoothRoutes.values()) {
		// A pair of hearing aid devices or the same hardware address
		// A pair of hearing aid devices or having the same hardware address
		if (routeIds.contains(btRoute.route.getId())) {
		continue;
		}
		@@ -225,13 +238,20 @@ class BluetoothRouteProvider {
		return false;
		}
		mVolumeMap.put(routeType, volume);
		if (mSelectedRoute == null \|\| mSelectedRoute.route.getType() != routeType) {
		return true;

		boolean shouldNotify = false;
		for (BluetoothRouteInfo btRoute : mActiveRoutes) {
		if (btRoute.route.getType() != routeType) {
		continue;
		}
		mSelectedRoute.route = new MediaRoute2Info.Builder(mSelectedRoute.route)
		btRoute.route = new MediaRoute2Info.Builder(btRoute.route)
		.setVolume(volume)
		.build();
		shouldNotify = true;
		}
		if (shouldNotify) {
		notifyBluetoothRoutesUpdated();
		}
		return true;
		}

		@@ -297,6 +317,53 @@ class BluetoothRouteProvider {
		btRoute.route = builder.build();
		}

		private void clearActiveRoutes() {
		if (DEBUG) {
		Log.d(TAG, "Clearing active routes");
		}
		for (BluetoothRouteInfo btRoute : mActiveRoutes) {
		setRouteConnectionState(btRoute, STATE_DISCONNECTED);
		}
		mActiveRoutes.clear();
		}

		private void addActiveRoute(BluetoothRouteInfo btRoute) {
		if (DEBUG) {
		Log.d(TAG, "Adding active route: " + btRoute.route);
		}
		if (btRoute == null \|\| mActiveRoutes.contains(btRoute)) {
		return;
		}
		setRouteConnectionState(btRoute, STATE_CONNECTED);
		mActiveRoutes.add(btRoute);
		}

		private void removeActiveRoute(BluetoothRouteInfo btRoute) {
		if (DEBUG) {
		Log.d(TAG, "Removing active route: " + btRoute.route);
		}
		if (mActiveRoutes.remove(btRoute)) {
		setRouteConnectionState(btRoute, STATE_DISCONNECTED);
		}
		}

		private void findAndSetActiveHearingAidDevices() {
		if (DEBUG) {
		Log.d(TAG, "Setting active hearing aid devices");
		}

		BluetoothHearingAid hearingAidProfile = mHearingAidProfile;
		if (hearingAidProfile == null) {
		return;
		}
		List<BluetoothDevice> activeDevices = hearingAidProfile.getActiveDevices();
		for (BluetoothRouteInfo btRoute : mBluetoothRoutes.values()) {
		if (activeDevices.contains(btRoute.btDevice)) {
		addActiveRoute(btRoute);
		}
		}
		}

		interface BluetoothRoutesUpdatedListener {
		void onBluetoothRoutesUpdated(@NonNull List<MediaRoute2Info> routes);
		}
		@@ -333,7 +400,6 @@ class BluetoothRouteProvider {
		default:
		return;
		}
		//TODO(b/157708273): Handle two active devices in the binaural case.
		for (BluetoothDevice device : proxy.getConnectedDevices()) {
		BluetoothRouteInfo btRoute = mBluetoothRoutes.get(device.getAddress());
		if (btRoute == null) {
		@@ -341,9 +407,7 @@ class BluetoothRouteProvider {
		mBluetoothRoutes.put(device.getAddress(), btRoute);
		}
		if (activeDevices.contains(device)) {
		mSelectedRoute = btRoute;
		setRouteConnectionState(mSelectedRoute,
		MediaRoute2Info.CONNECTION_STATE_CONNECTED);
		addActiveRoute(btRoute);
		}
		}
		notifyBluetoothRoutesUpdated();
		@@ -395,26 +459,23 @@ class BluetoothRouteProvider {
		}
		}

		private class DeviceStateChangedRecevier implements BluetoothEventReceiver {
		private class DeviceStateChangedReceiver implements BluetoothEventReceiver {
		@Override
		public void onReceive(Context context, Intent intent, BluetoothDevice device) {
		switch (intent.getAction()) {
		case BluetoothA2dp.ACTION_ACTIVE_DEVICE_CHANGED:
		case BluetoothHearingAid.ACTION_ACTIVE_DEVICE_CHANGED:
		if (mSelectedRoute == null
		\|\| !mSelectedRoute.btDevice.equals(device)) {
		if (mSelectedRoute != null) {
		setRouteConnectionState(mSelectedRoute,
		MediaRoute2Info.CONNECTION_STATE_DISCONNECTED);
		}
		mSelectedRoute = (device == null) ? null
		: mBluetoothRoutes.get(device.getAddress());
		if (mSelectedRoute != null) {
		setRouteConnectionState(mSelectedRoute,
		MediaRoute2Info.CONNECTION_STATE_CONNECTED);
		clearActiveRoutes();
		if (device != null) {
		addActiveRoute(mBluetoothRoutes.get(device.getAddress()));
		}
		notifyBluetoothRoutesUpdated();
		break;
		case BluetoothHearingAid.ACTION_ACTIVE_DEVICE_CHANGED:
		clearActiveDevices();
		if (device != null) {
		findAndSetActiveHearingAidDevices();
		}
		notifyBluetoothRoutesUpdated();
		break;
		case BluetoothA2dp.ACTION_CONNECTION_STATE_CHANGED:
		handleConnectionStateChanged(BluetoothProfile.A2DP, intent, device);
		@@ -444,10 +505,7 @@ class BluetoothRouteProvider {
		if (btRoute != null) {
		btRoute.connectedProfiles.delete(profile);
		if (btRoute.connectedProfiles.size() == 0) {
		mBluetoothRoutes.remove(device.getAddress());
		if (mSelectedRoute != null && mSelectedRoute.btDevice.equals(device)) {
		mSelectedRoute = null;
		}
		removeActiveRoute(mBluetoothRoutes.remove(device.getAddress()));
		notifyBluetoothRoutesUpdated();
		}
		}