Change the routing path of bluetooth headset connections. (e8b98925) · Commits · e / os / android_frameworks_base

Android.mk

+1 −0

Original line number	Diff line number	Diff line
		@@ -99,6 +99,7 @@ LOCAL_SRC_FILES += \
		core/java/android/bluetooth/IBluetoothA2dpSink.aidl \
		core/java/android/bluetooth/IBluetoothAvrcpController.aidl \
		core/java/android/bluetooth/IBluetoothCallback.aidl \
		core/java/android/bluetooth/IBluetoothProfileServiceConnection.aidl \
		core/java/android/bluetooth/IBluetoothHeadset.aidl \
		core/java/android/bluetooth/IBluetoothHeadsetPhone.aidl \
		core/java/android/bluetooth/IBluetoothHealth.aidl \

core/java/android/bluetooth/BluetoothHeadset.java

+61 −38

Original line number	Diff line number	Diff line
		@@ -20,9 +20,10 @@ import android.annotation.SdkConstant;
		import android.annotation.SdkConstant.SdkConstantType;
		import android.content.ComponentName;
		import android.content.Context;
		import android.content.Intent;
		import android.content.ServiceConnection;
		import android.os.Handler;
		import android.os.IBinder;
		import android.os.Looper;
		import android.os.Message;
		import android.os.RemoteException;
		import android.util.Log;

		@@ -221,11 +222,14 @@ public final class BluetoothHeadset implements BluetoothProfile {
		*/
		public static final int STATE_AUDIO_CONNECTED = 12;

		private static final int MESSAGE_HEADSET_SERVICE_CONNECTED = 100;
		private static final int MESSAGE_HEADSET_SERVICE_DISCONNECTED = 101;

		private Context mContext;
		private ServiceListener mServiceListener;
		private IBluetoothHeadset mService;
		private BluetoothAdapter mAdapter;
		private boolean mIsClosed;

		final private IBluetoothStateChangeCallback mBluetoothStateChangeCallback =
		new IBluetoothStateChangeCallback.Stub() {
		@@ -233,14 +237,7 @@ public final class BluetoothHeadset implements BluetoothProfile {
		if (DBG) Log.d(TAG, "onBluetoothStateChange: up=" + up);
		if (!up) {
		if (VDBG) Log.d(TAG,"Unbinding service...");
		synchronized (mConnection) {
		try {
		mService = null;
		mContext.unbindService(mConnection);
		} catch (Exception re) {
		Log.e(TAG,"",re);
		}
		}
		doUnbind();
		} else {
		synchronized (mConnection) {
		try {
		@@ -263,6 +260,7 @@ public final class BluetoothHeadset implements BluetoothProfile {
		mContext = context;
		mServiceListener = l;
		mAdapter = BluetoothAdapter.getDefaultAdapter();
		mIsClosed = false;

		IBluetoothManager mgr = mAdapter.getBluetoothManager();
		if (mgr != null) {
		@@ -277,15 +275,26 @@ public final class BluetoothHeadset implements BluetoothProfile {
		}

		boolean doBind() {
		Intent intent = new Intent(IBluetoothHeadset.class.getName());
		ComponentName comp = intent.resolveSystemService(mContext.getPackageManager(), 0);
		intent.setComponent(comp);
		if (comp == null \|\| !mContext.bindServiceAsUser(intent, mConnection, 0,
		android.os.Process.myUserHandle())) {
		Log.e(TAG, "Could not bind to Bluetooth Headset Service with " + intent);
		try {
		return mAdapter.getBluetoothManager().bindBluetoothProfileService(
		BluetoothProfile.HEADSET, mConnection);
		} catch (RemoteException e) {
		Log.e(TAG, "Unable to bind HeadsetService", e);
		}
		return false;
		}
		return true;

		void doUnbind() {
		synchronized (mConnection) {
		if (mService != null) {
		try {
		mAdapter.getBluetoothManager().unbindBluetoothProfileService(
		BluetoothProfile.HEADSET, mConnection);
		} catch (RemoteException e) {
		Log.e(TAG,"Unable to unbind HeadsetService", e);
		}
		}
		}
		}

		/**
		@@ -305,18 +314,8 @@ public final class BluetoothHeadset implements BluetoothProfile {
		Log.e(TAG,"",e);
		}
		}

		synchronized (mConnection) {
		if (mService != null) {
		try {
		mService = null;
		mContext.unbindService(mConnection);
		} catch (Exception re) {
		Log.e(TAG,"",re);
		}
		}
		}
		mServiceListener = null;
		mIsClosed = true;
		doUnbind();
		}

		/**
		@@ -930,21 +929,21 @@ public final class BluetoothHeadset implements BluetoothProfile {
		return false;
		}

		private final ServiceConnection mConnection = new ServiceConnection() {
		private final IBluetoothProfileServiceConnection mConnection
		= new IBluetoothProfileServiceConnection.Stub() {
		@Override
		public void onServiceConnected(ComponentName className, IBinder service) {
		if (DBG) Log.d(TAG, "Proxy object connected");
		mService = IBluetoothHeadset.Stub.asInterface(service);

		if (mServiceListener != null) {
		mServiceListener.onServiceConnected(BluetoothProfile.HEADSET, BluetoothHeadset.this);
		}
		mHandler.sendMessage(mHandler.obtainMessage(
		MESSAGE_HEADSET_SERVICE_CONNECTED));
		}
		@Override
		public void onServiceDisconnected(ComponentName className) {
		if (DBG) Log.d(TAG, "Proxy object disconnected");
		mService = null;
		if (mServiceListener != null) {
		mServiceListener.onServiceDisconnected(BluetoothProfile.HEADSET);
		}
		mHandler.sendMessage(mHandler.obtainMessage(
		MESSAGE_HEADSET_SERVICE_DISCONNECTED));
		}
		};

		@@ -968,4 +967,28 @@ public final class BluetoothHeadset implements BluetoothProfile {
		private static void log(String msg) {
		Log.d(TAG, msg);
		}

		private final Handler mHandler = new Handler(Looper.getMainLooper()) {
		@Override
		public void handleMessage(Message msg) {
		switch (msg.what) {
		case MESSAGE_HEADSET_SERVICE_CONNECTED: {
		if (mServiceListener != null) {
		mServiceListener.onServiceConnected(BluetoothProfile.HEADSET,
		BluetoothHeadset.this);
		}
		break;
		}
		case MESSAGE_HEADSET_SERVICE_DISCONNECTED: {
		if (mServiceListener != null) {
		mServiceListener.onServiceDisconnected(BluetoothProfile.HEADSET);
		}
		if (mIsClosed){
		mServiceListener = null;
		}
		break;
		}
		}
		}
		};
		}

core/java/android/bluetooth/IBluetoothManager.aidl

+4 −0

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@ package android.bluetooth;
		import android.bluetooth.IBluetooth;
		import android.bluetooth.IBluetoothGatt;
		import android.bluetooth.IBluetoothManagerCallback;
		import android.bluetooth.IBluetoothProfileServiceConnection;
		import android.bluetooth.IBluetoothStateChangeCallback;

		/**
		@@ -38,6 +39,9 @@ interface IBluetoothManager
		boolean disable(boolean persist);
		IBluetoothGatt getBluetoothGatt();

		boolean bindBluetoothProfileService(int profile, IBluetoothProfileServiceConnection proxy);
		void unbindBluetoothProfileService(int profile, IBluetoothProfileServiceConnection proxy);

		String getAddress();
		String getName();
		}

core/java/android/bluetooth/IBluetoothProfileServiceConnection.aidl

0 → 100755

+30 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2014 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package android.bluetooth;

		import android.content.ComponentName;
		import android.os.IBinder;

		/**
		* Callback for bluetooth profile connections.
		*
		* {@hide}
		*/
		interface IBluetoothProfileServiceConnection {
		void onServiceConnected(in ComponentName comp, in IBinder service);
		void onServiceDisconnected(in ComponentName comp);
		}

services/core/java/com/android/server/BluetoothManagerService.java

+229 −0

Original line number	Diff line number	Diff line
		@@ -18,11 +18,14 @@ package com.android.server;

		import android.app.ActivityManager;
		import android.bluetooth.BluetoothAdapter;
		import android.bluetooth.BluetoothProfile;
		import android.bluetooth.IBluetooth;
		import android.bluetooth.IBluetoothGatt;
		import android.bluetooth.IBluetoothCallback;
		import android.bluetooth.IBluetoothHeadset;
		import android.bluetooth.IBluetoothManager;
		import android.bluetooth.IBluetoothManagerCallback;
		import android.bluetooth.IBluetoothProfileServiceConnection;
		import android.bluetooth.IBluetoothStateChangeCallback;
		import android.content.BroadcastReceiver;
		import android.content.ComponentName;
		@@ -32,6 +35,7 @@ import android.content.Intent;
		import android.content.IntentFilter;
		import android.content.ServiceConnection;
		import android.content.pm.PackageManager;
		import android.content.pm.UserInfo;
		import android.os.Binder;
		import android.os.Handler;
		import android.os.IBinder;
		@@ -42,12 +46,18 @@ import android.os.RemoteCallbackList;
		import android.os.RemoteException;
		import android.os.SystemClock;
		import android.os.UserHandle;
		import android.os.UserManager;
		import android.provider.Settings;
		import android.util.Log;

		import java.io.FileDescriptor;
		import java.io.PrintWriter;

		import java.util.HashMap;
		import java.util.Map;
		import java.util.List;
		import java.util.Vector;

		class BluetoothManagerService extends IBluetoothManager.Stub {
		private static final String TAG = "BluetoothManagerService";
		private static final boolean DBG = true;
		@@ -67,6 +77,8 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
		private static final int ERROR_RESTART_TIME_MS = 3000;
		//Maximum msec to delay MESSAGE_USER_SWITCHED
		private static final int USER_SWITCHED_TIME_MS = 200;
		// Delay for the addProxy function in msec
		private static final int ADD_PROXY_DELAY_MS = 100;

		private static final int MESSAGE_ENABLE = 1;
		private static final int MESSAGE_DISABLE = 2;
		@@ -83,6 +95,8 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
		private static final int MESSAGE_GET_NAME_AND_ADDRESS=200;
		private static final int MESSAGE_SAVE_NAME_AND_ADDRESS=201;
		private static final int MESSAGE_USER_SWITCHED = 300;
		private static final int MESSAGE_ADD_PROXY_DELAYED = 400;
		private static final int MESSAGE_BIND_PROFILE_SERVICE = 401;
		private static final int MAX_SAVE_RETRIES=3;
		private static final int MAX_ERROR_RESTART_RETRIES=6;

		@@ -127,6 +141,11 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
		private int mErrorRecoveryRetryCounter;
		private final int mSystemUiUid;

		// Save a ProfileServiceConnections object for each of the bound
		// bluetooth profile services
		private final Map <Integer, ProfileServiceConnections> mProfileServices =
		new HashMap <Integer, ProfileServiceConnections>();

		private void registerForAirplaneMode(IntentFilter filter) {
		final ContentResolver resolver = mContext.getContentResolver();
		final String airplaneModeRadios = Settings.Global.getString(resolver,
		@@ -499,6 +518,187 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
		return mBluetoothGatt;
		}

		@Override
		public boolean bindBluetoothProfileService(int bluetoothProfile,
		IBluetoothProfileServiceConnection proxy) {
		if (!mEnable) {
		if (DBG) {
		Log.d(TAG, "Trying to bind to profile: " + bluetoothProfile +
		", while Bluetooth was disabled");
		}
		return false;
		}
		synchronized (mProfileServices) {
		ProfileServiceConnections psc = mProfileServices.get(new Integer(bluetoothProfile));
		if (psc == null) {
		if (DBG) {
		Log.d(TAG, "Creating new ProfileServiceConnections object for"
		+ " profile: " + bluetoothProfile);
		}
		Intent intent = null;
		if (bluetoothProfile == BluetoothProfile.HEADSET) {
		intent = new Intent(IBluetoothHeadset.class.getName());
		} else {
		return false;
		}
		psc = new ProfileServiceConnections(intent);
		mProfileServices.put(new Integer(bluetoothProfile), psc);
		psc.bindService();
		}
		}

		// Introducing a delay to give the client app time to prepare
		Message addProxyMsg = mHandler.obtainMessage(MESSAGE_ADD_PROXY_DELAYED);
		addProxyMsg.arg1 = bluetoothProfile;
		addProxyMsg.obj = proxy;
		mHandler.sendMessageDelayed(addProxyMsg, ADD_PROXY_DELAY_MS);
		return true;
		}

		@Override
		public void unbindBluetoothProfileService(int bluetoothProfile,
		IBluetoothProfileServiceConnection proxy) {
		synchronized (mProfileServices) {
		ProfileServiceConnections psc = mProfileServices.get(new Integer(bluetoothProfile));
		if (psc == null) {
		return;
		}
		psc.removeProxy(proxy);
		}
		}

		private void unbindAllBluetoothProfileServices() {
		synchronized (mProfileServices) {
		for (Integer i : mProfileServices.keySet()) {
		ProfileServiceConnections psc = mProfileServices.get(i);
		mContext.unbindService(psc);
		psc.removeAllProxies();
		}
		mProfileServices.clear();
		}
		}

		/**
		* This class manages the clients connected to a given ProfileService
		* and maintains the connection with that service.
		*/
		final private class ProfileServiceConnections implements ServiceConnection,
		IBinder.DeathRecipient {
		final RemoteCallbackList<IBluetoothProfileServiceConnection> mProxies =
		new RemoteCallbackList <IBluetoothProfileServiceConnection>();
		IBinder mService;
		ComponentName mClassName;
		Intent mIntent;

		ProfileServiceConnections(Intent intent) {
		mService = null;
		mClassName = null;
		mIntent = intent;
		}

		private void bindService() {
		if (mIntent != null && mService == null) {
		if (!doBind(mIntent, this, 0, UserHandle.CURRENT_OR_SELF)) {
		Log.w(TAG, "Unable to bind with intent: " + mIntent
		+ ". Triggering retry.");
		}
		Message msg = mHandler.obtainMessage(MESSAGE_BIND_PROFILE_SERVICE);
		msg.obj = this;
		mHandler.sendMessageDelayed(msg, TIMEOUT_BIND_MS);
		}
		}

		private void addProxy(IBluetoothProfileServiceConnection proxy) {
		mProxies.register(proxy);
		if (mService != null) {
		try{
		proxy.onServiceConnected(mClassName, mService);
		} catch (RemoteException e) {
		Log.e(TAG, "Unable to connect to proxy", e);
		}
		} else {
		if (!mHandler.hasMessages(MESSAGE_BIND_PROFILE_SERVICE, this)) {
		Message msg = mHandler.obtainMessage(MESSAGE_BIND_PROFILE_SERVICE);
		msg.obj = this;
		mHandler.sendMessage(msg);
		}
		}
		}

		private void removeProxy(IBluetoothProfileServiceConnection proxy) {
		if (proxy != null) {
		if (mProxies.unregister(proxy)) {
		try {
		proxy.onServiceDisconnected(mClassName);
		} catch (RemoteException e) {
		Log.e(TAG, "Unable to disconnect proxy", e);
		}
		}
		} else {
		Log.w(TAG, "Trying to remove a null proxy");
		}
		}

		private void removeAllProxies() {
		onServiceDisconnected(mClassName);
		mProxies.kill();
		}

		@Override
		public void onServiceConnected(ComponentName className, IBinder service) {
		// remove timeout message
		mHandler.removeMessages(MESSAGE_BIND_PROFILE_SERVICE, this);
		mService = service;
		mClassName = className;
		try {
		mService.linkToDeath(this, 0);
		} catch (RemoteException e) {
		Log.e(TAG, "Unable to linkToDeath", e);
		}
		int n = mProxies.beginBroadcast();
		for (int i = 0; i < n; i++) {
		try {
		mProxies.getBroadcastItem(i).onServiceConnected(className, service);
		} catch (RemoteException e) {
		Log.e(TAG, "Unable to connect to proxy", e);
		}
		}
		mProxies.finishBroadcast();
		}

		@Override
		public void onServiceDisconnected(ComponentName className) {
		if (mService == null) {
		return;
		}
		mService.unlinkToDeath(this, 0);
		mService = null;
		mClassName = null;
		int n = mProxies.beginBroadcast();
		for (int i = 0; i < n; i++) {
		try {
		mProxies.getBroadcastItem(i).onServiceDisconnected(className);
		} catch (RemoteException e) {
		Log.e(TAG, "Unable to disconnect from proxy", e);
		}
		}
		mProxies.finishBroadcast();
		}

		@Override
		public void binderDied() {
		if (DBG) {
		Log.w(TAG, "Profile service for profile: " + mClassName
		+ " died.");
		}
		onServiceDisconnected(mClassName);
		// Trigger rebind
		Message msg = mHandler.obtainMessage(MESSAGE_BIND_PROFILE_SERVICE);
		msg.obj = this;
		mHandler.sendMessageDelayed(msg, TIMEOUT_BIND_MS);
		}
		}

		private void sendBluetoothStateCallback(boolean isUp) {
		int n = mStateChangeCallbacks.beginBroadcast();
		if (DBG) Log.d(TAG,"Broadcasting onBluetoothStateChange("+isUp+") to " + n + " receivers.");
		@@ -803,6 +1003,28 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
		}
		break;
		}
		case MESSAGE_ADD_PROXY_DELAYED:
		{
		ProfileServiceConnections psc = mProfileServices.get(
		new Integer(msg.arg1));
		if (psc == null) {
		break;
		}
		IBluetoothProfileServiceConnection proxy =
		(IBluetoothProfileServiceConnection) msg.obj;
		psc.addProxy(proxy);
		break;
		}
		case MESSAGE_BIND_PROFILE_SERVICE:
		{
		ProfileServiceConnections psc = (ProfileServiceConnections) msg.obj;
		removeMessages(MESSAGE_BIND_PROFILE_SERVICE, msg.obj);
		if (psc == null) {
		break;
		}
		psc.bindService();
		break;
		}
		case MESSAGE_BLUETOOTH_SERVICE_CONNECTED:
		{
		if (DBG) Log.d(TAG,"MESSAGE_BLUETOOTH_SERVICE_CONNECTED: " + msg.arg1);
		@@ -1005,6 +1227,7 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
		bluetoothStateChangeHandler(mState, BluetoothAdapter.STATE_ON);
		}

		unbindAllBluetoothProfileServices();
		// disable
		handleDisable();
		// Pbap service need receive STATE_TURNING_OFF intent to close
		@@ -1129,16 +1352,21 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
		int callingUser = UserHandle.getCallingUserId();
		int callingUid = Binder.getCallingUid();
		long callingIdentity = Binder.clearCallingIdentity();
		UserManager um = (UserManager) mContext.getSystemService(Context.USER_SERVICE);
		UserInfo ui = um.getProfileParent(callingUser);
		int parentUser = (ui != null) ? ui.id : UserHandle.USER_NULL;
		int callingAppId = UserHandle.getAppId(callingUid);
		boolean valid = false;
		try {
		foregroundUser = ActivityManager.getCurrentUser();
		valid = (callingUser == foregroundUser) \|\|
		parentUser == foregroundUser \|\|
		callingAppId == Process.NFC_UID \|\|
		callingAppId == mSystemUiUid;
		if (DBG) {
		Log.d(TAG, "checkIfCallerIsForegroundUser: valid=" + valid
		+ " callingUser=" + callingUser
		+ " parentUser=" + parentUser
		+ " foregroundUser=" + foregroundUser);
		}
		} finally {
		@@ -1165,6 +1393,7 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
		} else {
		//If Bluetooth is off, send service down event to proxy objects, and unbind
		if (!isUp && canUnbindBluetoothService()) {
		unbindAllBluetoothProfileServices();
		sendBluetoothServiceDownCallback();
		unbindAndFinish();
		}