LocalBluetoothLeBroadcast: Remove sources on broadcast stop (9bd6f02e) · Commits · e / os / android_frameworks_base

packages/SettingsLib/src/com/android/settingslib/bluetooth/LocalBluetoothLeBroadcast.java

+159 −32

Original line number	Diff line number	Diff line
		@@ -25,10 +25,13 @@ import android.bluetooth.BluetoothClass;
		import android.bluetooth.BluetoothDevice;
		import android.bluetooth.BluetoothLeAudioContentMetadata;
		import android.bluetooth.BluetoothLeBroadcast;
		import android.bluetooth.BluetoothLeBroadcastAssistant;
		import android.bluetooth.BluetoothLeBroadcastMetadata;
		import android.bluetooth.BluetoothLeBroadcastReceiveState;
		import android.bluetooth.BluetoothLeBroadcastSubgroup;
		import android.bluetooth.BluetoothProfile;
		import android.bluetooth.BluetoothProfile.ServiceListener;
		import android.bluetooth.BluetoothStatusCodes;
		import android.content.ContentResolver;
		import android.content.Context;
		import android.database.ContentObserver;
		@@ -39,6 +42,7 @@ import android.os.Looper;
		import android.provider.Settings;
		import android.text.TextUtils;
		import android.util.Log;
		import android.util.Pair;

		import androidx.annotation.RequiresApi;

		@@ -76,14 +80,16 @@ public class LocalBluetoothLeBroadcast implements LocalBluetoothProfile {
		Settings.Secure.getUriFor(Settings.Secure.BLUETOOTH_LE_BROADCAST_APP_SOURCE_NAME),
		};

		private BluetoothLeBroadcast mService;
		private BluetoothLeBroadcast mServiceBroadcast;
		private BluetoothLeBroadcastAssistant mServiceBroadcastAssistant;
		private BluetoothLeAudioContentMetadata mBluetoothLeAudioContentMetadata;
		private BluetoothLeBroadcastMetadata mBluetoothLeBroadcastMetadata;
		private BluetoothLeAudioContentMetadata.Builder mBuilder;
		private int mBroadcastId = UNKNOWN_VALUE_PLACEHOLDER;
		private String mAppSourceName = "";
		private String mNewAppSourceName = "";
		private boolean mIsProfileReady;
		private boolean mIsBroadcastProfileReady = false;
		private boolean mIsBroadcastAssistantProfileReady = false;
		private String mProgramInfo;
		private byte[] mBroadcastCode;
		private Executor mExecutor;
		@@ -94,17 +100,22 @@ public class LocalBluetoothLeBroadcast implements LocalBluetoothProfile {
		@Override
		public void onServiceConnected(int profile, BluetoothProfile proxy) {
		if (DEBUG) {
		Log.d(TAG, "Bluetooth service connected");
		Log.d(TAG, "Bluetooth service connected: " + profile);
		}
		if(!mIsProfileReady) {
		mService = (BluetoothLeBroadcast) proxy;
		mIsProfileReady = true;
		if ((profile == BluetoothProfile.LE_AUDIO_BROADCAST) && !mIsBroadcastProfileReady) {
		mServiceBroadcast = (BluetoothLeBroadcast) proxy;
		mIsBroadcastProfileReady = true;
		registerServiceCallBack(mExecutor, mBroadcastCallback);
		List<BluetoothLeBroadcastMetadata> metadata = getAllBroadcastMetadata();
		if (!metadata.isEmpty()) {
		updateBroadcastInfoFromBroadcastMetadata(metadata.get(0));
		}
		registerContentObserver();
		} else if ((profile == BluetoothProfile.LE_AUDIO_BROADCAST_ASSISTANT)
		&& !mIsBroadcastAssistantProfileReady) {
		mIsBroadcastAssistantProfileReady = true;
		mServiceBroadcastAssistant = (BluetoothLeBroadcastAssistant) proxy;
		registerBroadcastAssistantCallback(mExecutor, mBroadcastAssistantCallback);
		}
		}

		@@ -113,9 +124,17 @@ public class LocalBluetoothLeBroadcast implements LocalBluetoothProfile {
		if (DEBUG) {
		Log.d(TAG, "Bluetooth service disconnected");
		}
		if(mIsProfileReady) {
		mIsProfileReady = false;
		if ((profile == BluetoothProfile.LE_AUDIO_BROADCAST) && mIsBroadcastProfileReady) {
		mIsBroadcastProfileReady = false;
		unregisterServiceCallBack(mBroadcastCallback);
		}
		if ((profile == BluetoothProfile.LE_AUDIO_BROADCAST_ASSISTANT)
		&& mIsBroadcastAssistantProfileReady) {
		mIsBroadcastAssistantProfileReady = false;
		unregisterBroadcastAssistantCallback(mBroadcastAssistantCallback);
		}

		if (!mIsBroadcastAssistantProfileReady && !mIsBroadcastProfileReady) {
		unregisterContentObserver();
		}
		}
		@@ -157,6 +176,8 @@ public class LocalBluetoothLeBroadcast implements LocalBluetoothProfile {
		"onBroadcastStopped(), reason = " + reason + ", broadcastId = "
		+ broadcastId);
		}

		stopLocalSourceReceivers();
		resetCacheInfo();
		}

		@@ -196,6 +217,61 @@ public class LocalBluetoothLeBroadcast implements LocalBluetoothProfile {
		}
		};

		private final BluetoothLeBroadcastAssistant.Callback mBroadcastAssistantCallback =
		new BluetoothLeBroadcastAssistant.Callback() {
		@Override
		public void onSourceAdded(@NonNull BluetoothDevice sink, int sourceId,
		int reason) {}
		@Override
		public void onSearchStarted(int reason) {}

		@Override
		public void onSearchStartFailed(int reason) {}

		@Override
		public void onSearchStopped(int reason) {}

		@Override
		public void onSearchStopFailed(int reason) {}

		@Override
		public void onSourceFound(@NonNull BluetoothLeBroadcastMetadata source) {}

		@Override
		public void onSourceAddFailed(@NonNull BluetoothDevice sink,
		@NonNull BluetoothLeBroadcastMetadata source, int reason) {}

		@Override
		public void onSourceModified(@NonNull BluetoothDevice sink, int sourceId,
		int reason) {}

		@Override
		public void onSourceModifyFailed(@NonNull BluetoothDevice sink, int sourceId,
		int reason) {}

		@Override
		public void onSourceRemoved(@NonNull BluetoothDevice sink, int sourceId,
		int reason) {
		if (DEBUG) {
		Log.d(TAG, "onSourceRemoved(), sink = " + sink + ", reason = "
		+ reason + ", sourceId = " + sourceId);
		}
		}

		@Override
		public void onSourceRemoveFailed(@NonNull BluetoothDevice sink, int sourceId,
		int reason) {
		if (DEBUG) {
		Log.d(TAG, "onSourceRemoveFailed(), sink = " + sink + ", reason = "
		+ reason + ", sourceId = " + sourceId);
		}
		}

		@Override
		public void onReceiveStateChanged(@NonNull BluetoothDevice sink, int sourceId,
		@NonNull BluetoothLeBroadcastReceiveState state) {}
		};

		private class BroadcastSettingsObserver extends ContentObserver {
		BroadcastSettingsObserver(Handler h) {
		super(h);
		@@ -219,6 +295,9 @@ public class LocalBluetoothLeBroadcast implements LocalBluetoothProfile {
		// Before registering callback, the constructor should finish creating the all of variables.
		BluetoothAdapter.getDefaultAdapter()
		.getProfileProxy(context, mServiceListener, BluetoothProfile.LE_AUDIO_BROADCAST);
		BluetoothAdapter.getDefaultAdapter()
		.getProfileProxy(context, mServiceListener,
		BluetoothProfile.LE_AUDIO_BROADCAST_ASSISTANT);
		}

		/**
		@@ -227,7 +306,7 @@ public class LocalBluetoothLeBroadcast implements LocalBluetoothProfile {
		*/
		public void startBroadcast(String appSourceName, String language) {
		mNewAppSourceName = appSourceName;
		if (mService == null) {
		if (mServiceBroadcast == null) {
		Log.d(TAG, "The BluetoothLeBroadcast is null when starting the broadcast.");
		return;
		}
		@@ -237,7 +316,7 @@ public class LocalBluetoothLeBroadcast implements LocalBluetoothProfile {
		"startBroadcast: language = " + language + " ,programInfo = " + programInfo);
		}
		buildContentMetadata(language, programInfo);
		mService.startBroadcast(mBluetoothLeAudioContentMetadata,
		mServiceBroadcast.startBroadcast(mBluetoothLeAudioContentMetadata,
		(mBroadcastCode != null && mBroadcastCode.length > 0) ? mBroadcastCode : null);
		}

		@@ -341,13 +420,13 @@ public class LocalBluetoothLeBroadcast implements LocalBluetoothProfile {
		}

		public BluetoothLeBroadcastMetadata getLatestBluetoothLeBroadcastMetadata() {
		if (mService == null) {
		if (mServiceBroadcast == null) {
		Log.d(TAG, "The BluetoothLeBroadcast is null");
		return null;
		}
		if (mBluetoothLeBroadcastMetadata == null) {
		final List<BluetoothLeBroadcastMetadata> metadataList =
		mService.getAllBroadcastMetadata();
		mServiceBroadcast.getAllBroadcastMetadata();
		mBluetoothLeBroadcastMetadata = metadataList.stream()
		.filter(i -> i.getBroadcastId() == mBroadcastId)
		.findFirst()
		@@ -411,14 +490,14 @@ public class LocalBluetoothLeBroadcast implements LocalBluetoothProfile {
		* corresponding callback {@link BluetoothLeBroadcast.Callback}.
		*/
		public void stopBroadcast(int broadcastId) {
		if (mService == null) {
		if (mServiceBroadcast == null) {
		Log.d(TAG, "The BluetoothLeBroadcast is null when stopping the broadcast.");
		return;
		}
		if (DEBUG) {
		Log.d(TAG, "stopBroadcast()");
		}
		mService.stopBroadcast(broadcastId);
		mServiceBroadcast.stopBroadcast(broadcastId);
		}

		/**
		@@ -426,7 +505,7 @@ public class LocalBluetoothLeBroadcast implements LocalBluetoothProfile {
		* corresponding callback {@link BluetoothLeBroadcast.Callback}.
		*/
		public void updateBroadcast(String appSourceName, String language) {
		if (mService == null) {
		if (mServiceBroadcast == null) {
		Log.d(TAG, "The BluetoothLeBroadcast is null when updating the broadcast.");
		return;
		}
		@@ -437,26 +516,57 @@ public class LocalBluetoothLeBroadcast implements LocalBluetoothProfile {
		}
		mNewAppSourceName = appSourceName;
		mBluetoothLeAudioContentMetadata = mBuilder.setProgramInfo(programInfo).build();
		mService.updateBroadcast(mBroadcastId, mBluetoothLeAudioContentMetadata);
		mServiceBroadcast.updateBroadcast(mBroadcastId, mBluetoothLeAudioContentMetadata);
		}

		public void registerServiceCallBack(@NonNull @CallbackExecutor Executor executor,
		@NonNull BluetoothLeBroadcast.Callback callback) {
		if (mService == null) {
		if (mServiceBroadcast == null) {
		Log.d(TAG, "The BluetoothLeBroadcast is null.");
		return;
		}

		mService.registerCallback(executor, callback);
		mServiceBroadcast.registerCallback(executor, callback);
		}

		/**
		* Register Broadcast Assistant Callbacks to track it's state and receivers
		*
		* @param executor Executor object for callback
		* @param callback Callback object to be registered
		*/
		public void registerBroadcastAssistantCallback(@NonNull @CallbackExecutor Executor executor,
		@NonNull BluetoothLeBroadcastAssistant.Callback callback) {
		if (mServiceBroadcastAssistant == null) {
		Log.d(TAG, "The BluetoothLeBroadcastAssisntant is null.");
		return;
		}

		mServiceBroadcastAssistant.registerCallback(executor, callback);
		}

		public void unregisterServiceCallBack(@NonNull BluetoothLeBroadcast.Callback callback) {
		if (mService == null) {
		if (mServiceBroadcast == null) {
		Log.d(TAG, "The BluetoothLeBroadcast is null.");
		return;
		}

		mService.unregisterCallback(callback);
		mServiceBroadcast.unregisterCallback(callback);
		}

		/**
		* Unregister previousely registered Broadcast Assistant Callbacks
		*
		* @param callback Callback object to be unregistered
		*/
		public void unregisterBroadcastAssistantCallback(
		@NonNull BluetoothLeBroadcastAssistant.Callback callback) {
		if (mServiceBroadcastAssistant == null) {
		Log.d(TAG, "The BluetoothLeBroadcastAssisntant is null.");
		return;
		}

		mServiceBroadcastAssistant.unregisterCallback(callback);
		}

		private void buildContentMetadata(String language, String programInfo) {
		@@ -474,7 +584,7 @@ public class LocalBluetoothLeBroadcast implements LocalBluetoothProfile {
		}

		public boolean isProfileReady() {
		return mIsProfileReady;
		return mIsBroadcastProfileReady;
		}

		@Override
		@@ -494,40 +604,40 @@ public class LocalBluetoothLeBroadcast implements LocalBluetoothProfile {
		* Not supported since LE Audio Broadcasts do not establish a connection.
		*/
		public int getConnectionStatus(BluetoothDevice device) {
		if (mService == null) {
		if (mServiceBroadcast == null) {
		return BluetoothProfile.STATE_DISCONNECTED;
		}
		// LE Audio Broadcasts are not connection-oriented.
		return mService.getConnectionState(device);
		return mServiceBroadcast.getConnectionState(device);
		}

		/**
		* Not supported since LE Audio Broadcasts do not establish a connection.
		*/
		public List<BluetoothDevice> getConnectedDevices() {
		if (mService == null) {
		if (mServiceBroadcast == null) {
		return new ArrayList<BluetoothDevice>(0);
		}
		// LE Audio Broadcasts are not connection-oriented.
		return mService.getConnectedDevices();
		return mServiceBroadcast.getConnectedDevices();
		}

		public @NonNull
		List<BluetoothLeBroadcastMetadata> getAllBroadcastMetadata() {
		if (mService == null) {
		if (mServiceBroadcast == null) {
		Log.d(TAG, "The BluetoothLeBroadcast is null.");
		return Collections.emptyList();
		}

		return mService.getAllBroadcastMetadata();
		return mServiceBroadcast.getAllBroadcastMetadata();
		}

		public boolean isEnabled(BluetoothDevice device) {
		if (mService == null) {
		if (mServiceBroadcast == null) {
		return false;
		}

		return !mService.getAllBroadcastMetadata().isEmpty();
		return !mServiceBroadcast.getAllBroadcastMetadata().isEmpty();
		}

		/**
		@@ -571,12 +681,12 @@ public class LocalBluetoothLeBroadcast implements LocalBluetoothProfile {
		if (DEBUG) {
		Log.d(TAG, "finalize()");
		}
		if (mService != null) {
		if (mServiceBroadcast != null) {
		try {
		BluetoothAdapter.getDefaultAdapter().closeProfileProxy(
		BluetoothProfile.LE_AUDIO_BROADCAST,
		mService);
		mService = null;
		mServiceBroadcast);
		mServiceBroadcast = null;
		} catch (Throwable t) {
		Log.w(TAG, "Error cleaning up LeAudio proxy", t);
		}
		@@ -626,4 +736,21 @@ public class LocalBluetoothLeBroadcast implements LocalBluetoothProfile {
		}
		mContentResolver.unregisterContentObserver(mSettingsObserver);
		}

		private void stopLocalSourceReceivers() {
		if (DEBUG) {
		Log.d(TAG, "stopLocalSourceReceivers()");
		}
		for (BluetoothDevice device : mServiceBroadcastAssistant.getConnectedDevices()) {
		for (BluetoothLeBroadcastReceiveState receiveState :
		mServiceBroadcastAssistant.getAllSources(device)) {
		/* Check if local/last broadcast is the synced one */
		int localBroadcastId = getLatestBroadcastId();
		if (receiveState.getBroadcastId() != localBroadcastId) continue;

		mServiceBroadcastAssistant.removeSource(device, receiveState.getSourceId());
		}
		}
		}

		}