Add support for Generic Telephone Bearer service (GTBS) (c6db129e) · Commits · e / os / android_packages_services_Telecomm

AndroidManifest.xml

+3 −0

Original line number	Diff line number	Diff line
		@@ -315,6 +315,9 @@
		<intent-filter>
		<action android:name="android.bluetooth.IBluetoothHeadsetPhone"/>
		</intent-filter>
		<intent-filter>
		<action android:name="android.bluetooth.IBluetoothLeCallControlCallback" />
		</intent-filter>
		</service>

		<service android:name=".components.TelecomService"

src/com/android/server/telecom/CallAudioRouteStateMachine.java

+2 −2

Original line number	Diff line number	Diff line
		@@ -875,8 +875,8 @@ public class CallAudioRouteStateMachine extends StateMachine {
		return HANDLED;
		case SWITCH_FOCUS:
		if (msg.arg1 == NO_FOCUS) {
		// Only disconnect SCO audio here instead of routing away from BT entirely.
		mBluetoothRouteManager.disconnectSco();
		// Only disconnect audio here instead of routing away from BT entirely.
		mBluetoothRouteManager.disconnectAudio();
		reinitialize();
		mCallAudioManager.notifyAudioOperationsComplete();
		} else if (msg.arg1 == RINGING_FOCUS

src/com/android/server/telecom/bluetooth/BluetoothDeviceManager.java

+149 −23

Original line number	Diff line number	Diff line
		@@ -20,6 +20,7 @@ import android.bluetooth.BluetoothAdapter;
		import android.bluetooth.BluetoothDevice;
		import android.bluetooth.BluetoothHeadset;
		import android.bluetooth.BluetoothHearingAid;
		import android.bluetooth.BluetoothLeAudio;
		import android.bluetooth.BluetoothProfile;
		import android.content.Context;
		import android.telecom.Log;
		@@ -37,6 +38,11 @@ import java.util.List;
		import java.util.Set;

		public class BluetoothDeviceManager {

		public static final int DEVICE_TYPE_HEADSET = 0;
		public static final int DEVICE_TYPE_HEARING_AID = 1;
		public static final int DEVICE_TYPE_LE_AUDIO = 2;

		private final BluetoothProfile.ServiceListener mBluetoothProfileServiceListener =
		new BluetoothProfile.ServiceListener() {
		@Override
		@@ -52,6 +58,10 @@ public class BluetoothDeviceManager {
		mBluetoothHearingAid = (BluetoothHearingAid) proxy;
		logString = "Got BluetoothHearingAid: "
		+ mBluetoothHearingAid;
		} else if (profile == BluetoothProfile.LE_AUDIO) {
		mBluetoothLeAudioService = (BluetoothLeAudio) proxy;
		logString = "Got BluetoothLeAudio: "
		+ mBluetoothLeAudioService;
		} else {
		logString = "Connected to non-requested bluetooth service." +
		" Not changing bluetooth headset.";
		@@ -74,7 +84,8 @@ public class BluetoothDeviceManager {
		if (profile == BluetoothProfile.HEADSET) {
		mBluetoothHeadset = null;
		lostServiceDevices = mHfpDevicesByAddress;
		mBluetoothRouteManager.onActiveDeviceChanged(null, false);
		mBluetoothRouteManager.onActiveDeviceChanged(null,
		DEVICE_TYPE_HEADSET);
		logString = "Lost BluetoothHeadset service. " +
		"Removing all tracked devices";
		} else if (profile == BluetoothProfile.HEARING_AID) {
		@@ -82,7 +93,15 @@ public class BluetoothDeviceManager {
		logString = "Lost BluetoothHearingAid service. " +
		"Removing all tracked devices.";
		lostServiceDevices = mHearingAidDevicesByAddress;
		mBluetoothRouteManager.onActiveDeviceChanged(null, true);
		mBluetoothRouteManager.onActiveDeviceChanged(null,
		DEVICE_TYPE_HEARING_AID);
		} else if (profile == BluetoothProfile.LE_AUDIO) {
		mBluetoothLeAudioService = null;
		logString = "Lost BluetoothLeAudio service. " +
		"Removing all tracked devices.";
		lostServiceDevices = mLeAudioDevicesByAddress;
		mBluetoothRouteManager.onActiveDeviceChanged(null,
		DEVICE_TYPE_LE_AUDIO);
		} else {
		return;
		}
		@@ -108,6 +127,12 @@ public class BluetoothDeviceManager {
		new LinkedHashMap<>();
		private final LinkedHashMap<BluetoothDevice, Long> mHearingAidDeviceSyncIds =
		new LinkedHashMap<>();
		private final LinkedHashMap<String, BluetoothDevice> mLeAudioDevicesByAddress =
		new LinkedHashMap<>();
		private final LinkedHashMap<BluetoothDevice, Integer> mGroupsByDevice =
		new LinkedHashMap<>();
		private int mGroupIdActive = BluetoothLeAudio.GROUP_ID_INVALID;
		private int mGroupIdPending = BluetoothLeAudio.GROUP_ID_INVALID;
		private final LocalLog mLocalLog = new LocalLog(20);

		// This lock only protects internal state -- it doesn't lock on anything going into Telecom.
		@@ -116,6 +141,7 @@ public class BluetoothDeviceManager {
		private BluetoothRouteManager mBluetoothRouteManager;
		private BluetoothHeadset mBluetoothHeadset;
		private BluetoothHearingAid mBluetoothHearingAid;
		private BluetoothLeAudio mBluetoothLeAudioService;
		private BluetoothDevice mBluetoothHearingAidActiveDeviceCache;
		private BluetoothAdapter mBluetoothAdapter;

		@@ -126,6 +152,8 @@ public class BluetoothDeviceManager {
		BluetoothProfile.HEADSET);
		bluetoothAdapter.getProfileProxy(context, mBluetoothProfileServiceListener,
		BluetoothProfile.HEARING_AID);
		bluetoothAdapter.getProfileProxy(context, mBluetoothProfileServiceListener,
		BluetoothProfile.LE_AUDIO);
		}
		}

		@@ -133,9 +161,20 @@ public class BluetoothDeviceManager {
		mBluetoothRouteManager = brm;
		}

		private List<BluetoothDevice> getLeAudioConnectedDevices() {
		synchronized (mLock) {
		// Filter out disconnected devices and/or those that have no group assigned
		ArrayList<BluetoothDevice> devices = new ArrayList<>(mGroupsByDevice.keySet());
		devices.removeIf(device -> !mLeAudioDevicesByAddress.containsValue(device));
		return devices;
		}
		}

		public int getNumConnectedDevices() {
		synchronized (mLock) {
		return mHfpDevicesByAddress.size() + mHearingAidDevicesByAddress.size();
		return mHfpDevicesByAddress.size() +
		mHearingAidDevicesByAddress.size() +
		getLeAudioConnectedDevices().size();
		}
		}

		@@ -143,6 +182,7 @@ public class BluetoothDeviceManager {
		synchronized (mLock) {
		ArrayList<BluetoothDevice> result = new ArrayList<>(mHfpDevicesByAddress.values());
		result.addAll(mHearingAidDevicesByAddress.values());
		result.addAll(getLeAudioConnectedDevices());
		return Collections.unmodifiableCollection(result);
		}
		}
		@@ -177,6 +217,31 @@ public class BluetoothDeviceManager {
		seenHiSyncIds.add(hiSyncId);
		}
		}

		Set<Integer> seenGroupIds = new LinkedHashSet<>();
		if (mBluetoothAdapter != null) {
		for (BluetoothDevice device : mBluetoothAdapter.getActiveDevices(
		BluetoothProfile.LE_AUDIO)) {
		if (device != null) {
		result.add(device);
		seenGroupIds.add(mGroupsByDevice.getOrDefault(device, -1));
		break;
		}
		}
		}
		synchronized (mLock) {
		for (BluetoothDevice d : getLeAudioConnectedDevices()) {
		int groupId = mGroupsByDevice.getOrDefault(d,
		BluetoothLeAudio.GROUP_ID_INVALID);
		if (groupId == BluetoothLeAudio.GROUP_ID_INVALID
		\|\| seenGroupIds.contains(groupId)) {
		continue;
		}
		result.add(d);
		seenGroupIds.add(groupId);
		}
		}

		return Collections.unmodifiableCollection(result);
		}

		@@ -192,6 +257,10 @@ public class BluetoothDeviceManager {
		return mBluetoothHearingAid;
		}

		public BluetoothLeAudio getLeAudioService() {
		return mBluetoothLeAudioService;
		}

		public void setHeadsetServiceForTesting(BluetoothHeadset bluetoothHeadset) {
		mBluetoothHeadset = bluetoothHeadset;
		}
		@@ -200,12 +269,33 @@ public class BluetoothDeviceManager {
		mBluetoothHearingAid = bluetoothHearingAid;
		}

		void onDeviceConnected(BluetoothDevice device, boolean isHearingAid) {
		mLocalLog.log("Device connected -- address: " + device.getAddress() + " isHeadingAid: "
		+ isHearingAid);
		public void setLeAudioServiceForTesting(BluetoothLeAudio bluetoothLeAudio) {
		mBluetoothLeAudioService = bluetoothLeAudio;
		}

		public static String getDeviceTypeString(int deviceType) {
		switch (deviceType) {
		case DEVICE_TYPE_LE_AUDIO:
		return "LeAudio";
		case DEVICE_TYPE_HEARING_AID:
		return "HearingAid";
		case DEVICE_TYPE_HEADSET:
		return "HFP";
		default:
		return "unknown type";
		}
		}

		void onDeviceConnected(BluetoothDevice device, int deviceType) {
		synchronized (mLock) {
		LinkedHashMap<String, BluetoothDevice> targetDeviceMap;
		if (isHearingAid) {
		if (deviceType == DEVICE_TYPE_LE_AUDIO) {
		if (mBluetoothLeAudioService == null) {
		Log.w(this, "LE audio service null when receiving device added broadcast");
		return;
		}
		targetDeviceMap = mLeAudioDevicesByAddress;
		} else if (deviceType == DEVICE_TYPE_HEARING_AID) {
		if (mBluetoothHearingAid == null) {
		Log.w(this, "Hearing aid service null when receiving device added broadcast");
		return;
		@@ -213,12 +303,16 @@ public class BluetoothDeviceManager {
		long hiSyncId = mBluetoothHearingAid.getHiSyncId(device);
		mHearingAidDeviceSyncIds.put(device, hiSyncId);
		targetDeviceMap = mHearingAidDevicesByAddress;
		} else {
		} else if (deviceType == DEVICE_TYPE_HEADSET) {
		if (mBluetoothHeadset == null) {
		Log.w(this, "Headset service null when receiving device added broadcast");
		return;
		}
		targetDeviceMap = mHfpDevicesByAddress;
		} else {
		Log.w(this, "Device: " + device.getAddress() + " with invalid type: "
		+ getDeviceTypeString(deviceType));
		return;
		}
		if (!targetDeviceMap.containsKey(device.getAddress())) {
		targetDeviceMap.put(device.getAddress(), device);
		@@ -227,16 +321,22 @@ public class BluetoothDeviceManager {
		}
		}

		void onDeviceDisconnected(BluetoothDevice device, boolean isHearingAid) {
		mLocalLog.log("Device disconnected -- address: " + device.getAddress() + " isHeadingAid: "
		+ isHearingAid);
		void onDeviceDisconnected(BluetoothDevice device, int deviceType) {
		mLocalLog.log("Device disconnected -- address: " + device.getAddress() + " deviceType: "
		+ deviceType);
		synchronized (mLock) {
		LinkedHashMap<String, BluetoothDevice> targetDeviceMap;
		if (isHearingAid) {
		if (deviceType == DEVICE_TYPE_LE_AUDIO) {
		targetDeviceMap = mLeAudioDevicesByAddress;
		} else if (deviceType == DEVICE_TYPE_HEARING_AID) {
		mHearingAidDeviceSyncIds.remove(device);
		targetDeviceMap = mHearingAidDevicesByAddress;
		} else {
		} else if (deviceType == DEVICE_TYPE_HEADSET) {
		targetDeviceMap = mHfpDevicesByAddress;
		} else {
		Log.w(this, "Device: " + device.getAddress() + " with invalid type: "
		+ getDeviceTypeString(deviceType));
		return;
		}
		if (targetDeviceMap.containsKey(device.getAddress())) {
		targetDeviceMap.remove(device.getAddress());
		@@ -245,17 +345,35 @@ public class BluetoothDeviceManager {
		}
		}

		public void disconnectAudio() {
		if (mBluetoothAdapter != null) {
		for (BluetoothDevice device: mBluetoothAdapter.getActiveDevices(
		BluetoothProfile.HEARING_AID)) {
		if (device != null) {
		mBluetoothAdapter.removeActiveDevice(BluetoothAdapter.ACTIVE_DEVICE_ALL);
		void onGroupNodeAdded(BluetoothDevice device, int groupId) {
		Log.i(this, device.getAddress() + " group added " + groupId);
		if (device == null \|\| groupId == BluetoothLeAudio.GROUP_ID_INVALID) {
		Log.w(this, "invalid parameter");
		return;
		}

		synchronized (mLock) {
		mGroupsByDevice.put(device, groupId);
		}
		}

		void onGroupNodeRemoved(BluetoothDevice device, int groupId) {
		if (device == null \|\| groupId == BluetoothLeAudio.GROUP_ID_INVALID) {
		Log.w(this, "invalid parameter");
		return;
		}

		synchronized (mLock) {
		mGroupsByDevice.remove(device);
		}
		}

		public void disconnectAudio() {
		if (mBluetoothAdapter != null) {
		mBluetoothAdapter.removeActiveDevice(BluetoothAdapter.ACTIVE_DEVICE_ALL);
		disconnectSco();
		}
		}

		public void disconnectSco() {
		if (mBluetoothHeadset == null) {
		@@ -265,10 +383,18 @@ public class BluetoothDeviceManager {
		}
		}

		// Connect audio to the bluetooth device at address, checking to see whether it's a hearing aid
		// or a HFP device, and using the proper BT API.
		// Connect audio to the bluetooth device at address, checking to see whether it's
		// le audio, hearing aid or a HFP device, and using the proper BT API.
		public boolean connectAudio(String address) {
		if (mHearingAidDevicesByAddress.containsKey(address)) {
		if (mLeAudioDevicesByAddress.containsKey(address)) {
		if (mBluetoothLeAudioService == null) {
		Log.w(this, "Attempting to turn on audio when the le audio service is null");
		return false;
		}
		BluetoothDevice device = mLeAudioDevicesByAddress.get(address);
		return mBluetoothAdapter.setActiveDevice(
		device, BluetoothAdapter.ACTIVE_DEVICE_ALL);
		} else if (mHearingAidDevicesByAddress.containsKey(address)) {
		if (mBluetoothHearingAid == null) {
		Log.w(this, "Attempting to turn on audio when the hearing aid service is null");
		return false;

src/com/android/server/telecom/bluetooth/BluetoothRouteManager.java

+75 −25

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@ import android.bluetooth.BluetoothDevice;
		import android.bluetooth.BluetoothHeadset;
		import android.bluetooth.BluetoothHearingAid;
		import android.bluetooth.BluetoothProfile;
		import android.bluetooth.BluetoothLeAudio;
		import android.content.Context;
		import android.os.Message;
		import android.telecom.Log;
		@@ -35,10 +36,12 @@ import com.android.internal.util.StateMachine;
		import com.android.server.telecom.TelecomSystem;
		import com.android.server.telecom.Timeouts;

		import java.util.ArrayList;
		import java.util.Collection;
		import java.util.HashMap;
		import java.util.HashSet;
		import java.util.LinkedHashSet;
		import java.util.List;
		import java.util.Map;
		import java.util.Objects;
		import java.util.Optional;
		@@ -294,7 +297,7 @@ public class BluetoothRouteManager extends StateMachine {
		break;
		case BT_AUDIO_IS_ON:
		if (Objects.equals(mDeviceAddress, address)) {
		Log.i(LOG_TAG, "HFP connection success for device %s.", mDeviceAddress);
		Log.i(LOG_TAG, "BT connection success for device %s.", mDeviceAddress);
		transitionTo(mAudioConnectedStates.get(mDeviceAddress));
		} else {
		Log.w(LOG_TAG, "In connecting state for device %s but %s" +
		@@ -451,6 +454,7 @@ public class BluetoothRouteManager extends StateMachine {
		// Tracks the active devices in the BT stack (HFP or hearing aid).
		private BluetoothDevice mHfpActiveDeviceCache = null;
		private BluetoothDevice mHearingAidActiveDeviceCache = null;
		private BluetoothDevice mLeAudioActiveDeviceCache = null;
		private BluetoothDevice mMostRecentlyReportedActiveDevice = null;

		public BluetoothRouteManager(Context context, TelecomSystem.SyncRoot lock,
		@@ -548,8 +552,8 @@ public class BluetoothRouteManager extends StateMachine {
		sendMessage(DISCONNECT_HFP, args);
		}

		public void disconnectSco() {
		mDeviceManager.disconnectSco();
		public void disconnectAudio() {
		mDeviceManager.disconnectAudio();
		}

		public void cacheHearingAidDevice() {
		@@ -582,19 +586,37 @@ public class BluetoothRouteManager extends StateMachine {
		mListener.onBluetoothDeviceListChanged();
		}

		public void onActiveDeviceChanged(BluetoothDevice device, boolean isHearingAid) {
		boolean wasActiveDevicePresent = mHearingAidActiveDeviceCache != null
		\|\| mHfpActiveDeviceCache != null;
		if (isHearingAid) {
		public void onAudioOn(String address) {
		Session session = Log.createSubsession();
		SomeArgs args = SomeArgs.obtain();
		args.arg1 = session;
		args.arg2 = address;
		sendMessage(BT_AUDIO_IS_ON, args);
		}

		public void onAudioLost(String address) {
		Session session = Log.createSubsession();
		SomeArgs args = SomeArgs.obtain();
		args.arg1 = session;
		args.arg2 = address;
		sendMessage(BT_AUDIO_LOST, args);
		}

		public void onActiveDeviceChanged(BluetoothDevice device, int deviceType) {
		boolean wasActiveDevicePresent = hasBtActiveDevice();
		if (deviceType == BluetoothDeviceManager.DEVICE_TYPE_LE_AUDIO) {
		mLeAudioActiveDeviceCache = device;
		} else if (deviceType == BluetoothDeviceManager.DEVICE_TYPE_HEARING_AID) {
		mHearingAidActiveDeviceCache = device;
		} else {
		} else if (deviceType == BluetoothDeviceManager.DEVICE_TYPE_HEADSET) {
		mHfpActiveDeviceCache = device;
		} else {
		return;
		}

		if (device != null) mMostRecentlyReportedActiveDevice = device;

		boolean isActiveDevicePresent = mHearingAidActiveDeviceCache != null
		\|\| mHfpActiveDeviceCache != null;
		boolean isActiveDevicePresent = hasBtActiveDevice();

		if (wasActiveDevicePresent && !isActiveDevicePresent) {
		mListener.onBluetoothActiveDeviceGone();
		@@ -604,7 +626,9 @@ public class BluetoothRouteManager extends StateMachine {
		}

		public boolean hasBtActiveDevice() {
		return mHearingAidActiveDeviceCache != null \|\| mHfpActiveDeviceCache != null;
		return mLeAudioActiveDeviceCache != null \|\|
		mHearingAidActiveDeviceCache != null \|\|
		mHfpActiveDeviceCache != null;
		}

		public Collection<BluetoothDevice> getConnectedDevices() {
		@@ -682,6 +706,9 @@ public class BluetoothRouteManager extends StateMachine {
		if (mHearingAidActiveDeviceCache != null) {
		return mHearingAidActiveDeviceCache.getAddress();
		}
		if (mLeAudioActiveDeviceCache != null) {
		return mLeAudioActiveDeviceCache.getAddress();
		}
		return null;
		}

		@@ -705,29 +732,33 @@ public class BluetoothRouteManager extends StateMachine {
		BluetoothAdapter bluetoothAdapter = mDeviceManager.getBluetoothAdapter();
		BluetoothHeadset bluetoothHeadset = mDeviceManager.getBluetoothHeadset();
		BluetoothHearingAid bluetoothHearingAid = mDeviceManager.getBluetoothHearingAid();
		BluetoothLeAudio bluetoothLeAudio = mDeviceManager.getLeAudioService();

		BluetoothDevice hfpAudioOnDevice = null;
		BluetoothDevice hearingAidActiveDevice = null;
		BluetoothDevice leAudioActiveDevice = null;

		if (bluetoothAdapter == null) {
		Log.i(this, "getBluetoothAudioConnectedDevice: no adapter available.");
		return null;
		}
		if (bluetoothHeadset == null && bluetoothHearingAid == null) {
		if (bluetoothHeadset == null && bluetoothHearingAid == null && bluetoothLeAudio == null) {
		Log.i(this, "getBluetoothAudioConnectedDevice: no service available.");
		return null;
		}

		int activeDevices = 0;
		if (bluetoothHeadset != null) {
		for (BluetoothDevice device : bluetoothAdapter.getActiveDevices(
		BluetoothProfile.HEADSET)) {
		hfpAudioOnDevice = device;
		break;
		}

		if (bluetoothHeadset.getAudioState(hfpAudioOnDevice)
		== BluetoothHeadset.STATE_AUDIO_DISCONNECTED) {
		hfpAudioOnDevice = null;
		} else {
		activeDevices++;
		}
		}

		@@ -736,24 +767,41 @@ public class BluetoothRouteManager extends StateMachine {
		BluetoothProfile.HEARING_AID)) {
		if (device != null) {
		hearingAidActiveDevice = device;
		activeDevices++;
		break;
		}
		}
		}

		// Return the active device reported by either HFP or hearing aid. If both are reporting
		// active devices, go with the most recent one as reported by the receiver.
		if (hfpAudioOnDevice != null) {
		if (hearingAidActiveDevice != null) {
		Log.i(this, "Both HFP and hearing aid are reporting active devices. Going with"
		+ " the most recently reported active device: %s");
		if (bluetoothLeAudio != null) {
		for (BluetoothDevice device : bluetoothLeAudio.getActiveDevices()) {
		if (device != null) {
		leAudioActiveDevice = device;
		activeDevices++;
		break;
		}
		}
		}

		// Return the active device reported by either HFP, hearing aid or le audio. If more than
		// one is reporting active devices, go with the most recent one as reported by the receiver.
		if (activeDevices > 1) {
		Log.i(this, "More than one profile reporting active devices. Going with the most"
		+ " recently reported active device: %s", mMostRecentlyReportedActiveDevice);
		return mMostRecentlyReportedActiveDevice;
		}
		return hfpAudioOnDevice;

		if (leAudioActiveDevice != null) {
		return leAudioActiveDevice;
		}

		if (hearingAidActiveDevice != null) {
		return hearingAidActiveDevice;
		}

		return hfpAudioOnDevice;
		}

		/**
		* Check if in-band ringing is currently enabled. In-band ringing could be disabled during an
		* active connection.
		@@ -847,10 +895,12 @@ public class BluetoothRouteManager extends StateMachine {
		}

		@VisibleForTesting
		public void setActiveDeviceCacheForTesting(BluetoothDevice device, boolean isHearingAid) {
		if (isHearingAid) {
		public void setActiveDeviceCacheForTesting(BluetoothDevice device, int deviceType) {
		if (deviceType == BluetoothDeviceManager.DEVICE_TYPE_LE_AUDIO) {
		mLeAudioActiveDeviceCache = device;
		} else if (deviceType == BluetoothDeviceManager.DEVICE_TYPE_HEARING_AID) {
		mHearingAidActiveDeviceCache = device;
		} else {
		} else if (deviceType == BluetoothDeviceManager.DEVICE_TYPE_HEADSET) {
		mHfpActiveDeviceCache = device;
		}
		}

src/com/android/server/telecom/bluetooth/BluetoothStateReceiver.java

+61 −12

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