diff options
Diffstat (limited to 'services/java/com/android/server/BluetoothManagerService.java')
| -rwxr-xr-x | services/java/com/android/server/BluetoothManagerService.java | 772 |
1 files changed, 772 insertions, 0 deletions
diff --git a/services/java/com/android/server/BluetoothManagerService.java b/services/java/com/android/server/BluetoothManagerService.java new file mode 100755 index 0000000..e7cd279 --- /dev/null +++ b/services/java/com/android/server/BluetoothManagerService.java @@ -0,0 +1,772 @@ +/* + * Copyright (C) 2012 Google Inc. + */ + +package com.android.server; + +import android.bluetooth.BluetoothAdapter; +import android.bluetooth.IBluetooth; +import android.bluetooth.IBluetoothCallback; +import android.bluetooth.IBluetoothManager; +import android.bluetooth.IBluetoothManagerCallback; +import android.bluetooth.IBluetoothStateChangeCallback; +import android.content.BroadcastReceiver; +import android.content.ComponentName; +import android.content.ContentResolver; +import android.content.Context; +import android.content.Intent; +import android.content.IntentFilter; +import android.content.ServiceConnection; +import android.os.Handler; +import android.os.IBinder; +import android.os.Message; +import android.os.RemoteCallbackList; +import android.os.RemoteException; +import android.os.Binder; +import android.os.UserHandle; +import android.provider.Settings; +import android.util.Log; +import java.util.List; +import java.util.ArrayList; +class BluetoothManagerService extends IBluetoothManager.Stub { + private static final String TAG = "BluetoothManagerService"; + private static final boolean DBG = true; + + private static final String BLUETOOTH_ADMIN_PERM = android.Manifest.permission.BLUETOOTH_ADMIN; + private static final String BLUETOOTH_PERM = android.Manifest.permission.BLUETOOTH; + private static final String ACTION_SERVICE_STATE_CHANGED="com.android.bluetooth.btservice.action.STATE_CHANGED"; + private static final String EXTRA_ACTION="action"; + private static final String SECURE_SETTINGS_BLUETOOTH_ADDRESS="bluetooth_address"; + private static final String SECURE_SETTINGS_BLUETOOTH_NAME="bluetooth_name"; + private static final int TIMEOUT_BIND_MS = 3000; //Maximum msec to wait for a bind + private static final int TIMEOUT_SAVE_MS = 500; //Maximum msec to wait for a save + //Maximum msec to wait for service restart + private static final int SERVICE_RESTART_TIME_MS = 200; + + private static final int MESSAGE_ENABLE = 1; + private static final int MESSAGE_DISABLE = 2; + private static final int MESSAGE_REGISTER_ADAPTER = 20; + private static final int MESSAGE_UNREGISTER_ADAPTER = 21; + private static final int MESSAGE_REGISTER_STATE_CHANGE_CALLBACK = 30; + private static final int MESSAGE_UNREGISTER_STATE_CHANGE_CALLBACK = 31; + private static final int MESSAGE_BLUETOOTH_SERVICE_CONNECTED = 40; + private static final int MESSAGE_BLUETOOTH_SERVICE_DISCONNECTED = 41; + private static final int MESSAGE_RESTART_BLUETOOTH_SERVICE = 42; + private static final int MESSAGE_BLUETOOTH_STATE_CHANGE=60; + private static final int MESSAGE_TIMEOUT_BIND =100; + private static final int MESSAGE_TIMEOUT_UNBIND =101; + private static final int MESSAGE_GET_NAME_AND_ADDRESS=200; + private static final int MESSAGE_SAVE_NAME_AND_ADDRESS=201; + private static final int MAX_SAVE_RETRIES=3; + + private final Context mContext; + + // Locks are not provided for mName and mAddress. + // They are accessed in handler or broadcast receiver, same thread context. + private String mAddress; + private String mName; + private final ContentResolver mContentResolver; + private final RemoteCallbackList<IBluetoothManagerCallback> mCallbacks; + private final RemoteCallbackList<IBluetoothStateChangeCallback> mStateChangeCallbacks; + private IBluetooth mBluetooth; + private boolean mBinding; + private boolean mUnbinding; + private boolean mQuietEnable = false; + + private void registerForAirplaneMode(IntentFilter filter) { + final ContentResolver resolver = mContext.getContentResolver(); + final String airplaneModeRadios = Settings.Global.getString(resolver, + Settings.Global.AIRPLANE_MODE_RADIOS); + final String toggleableRadios = Settings.Global.getString(resolver, + Settings.Global.AIRPLANE_MODE_TOGGLEABLE_RADIOS); + boolean mIsAirplaneSensitive = airplaneModeRadios == null ? true : + airplaneModeRadios.contains(Settings.Global.RADIO_BLUETOOTH); + if (mIsAirplaneSensitive) { + filter.addAction(Intent.ACTION_AIRPLANE_MODE_CHANGED); + } + } + + private final IBluetoothCallback mBluetoothCallback = new IBluetoothCallback.Stub() { + @Override + public void onBluetoothStateChange(int prevState, int newState) throws RemoteException { + Message msg = mHandler.obtainMessage(MESSAGE_BLUETOOTH_STATE_CHANGE,prevState,newState); + mHandler.sendMessage(msg); + } + }; + + private final BroadcastReceiver mReceiver = new BroadcastReceiver() { + @Override + public void onReceive(Context context, Intent intent) { + String action = intent.getAction(); + if (BluetoothAdapter.ACTION_LOCAL_NAME_CHANGED.equals(action)) { + String newName = intent.getStringExtra(BluetoothAdapter.EXTRA_LOCAL_NAME); + if (DBG) Log.d(TAG, "Bluetooth Adapter name changed to " + newName); + if (newName != null) { + storeNameAndAddress(newName, null); + } + } else if (Intent.ACTION_AIRPLANE_MODE_CHANGED.equals(action)) { + if (isAirplaneModeOn()) { + // disable without persisting the setting + handleDisable(false); + } else { + if (isBluetoothPersistedStateOn()) { + // enable without persisting the setting + handleEnable(false, false); + } + } + } + } + }; + + BluetoothManagerService(Context context) { + mContext = context; + mBluetooth = null; + mBinding = false; + mUnbinding = false; + mAddress = null; + mName = null; + mContentResolver = context.getContentResolver(); + mCallbacks = new RemoteCallbackList<IBluetoothManagerCallback>(); + mStateChangeCallbacks = new RemoteCallbackList<IBluetoothStateChangeCallback>(); + IntentFilter filter = new IntentFilter(BluetoothAdapter.ACTION_STATE_CHANGED); + filter.addAction(BluetoothAdapter.ACTION_LOCAL_NAME_CHANGED); + registerForAirplaneMode(filter); + mContext.registerReceiver(mReceiver, filter); + boolean airplaneModeOn = isAirplaneModeOn(); + boolean bluetoothOn = isBluetoothPersistedStateOn(); + loadStoredNameAndAddress(); + if (DBG) Log.d(TAG, "airplaneModeOn: " + airplaneModeOn + " bluetoothOn: " + bluetoothOn); + if (bluetoothOn) { + //Enable + if (DBG) Log.d(TAG, "Auto-enabling Bluetooth."); + enable(); + } else if (!isNameAndAddressSet()) { + //Sync the Bluetooth name and address from the Bluetooth Adapter + if (DBG) Log.d(TAG,"Retrieving Bluetooth Adapter name and address..."); + getNameAndAddress(); + } + } + + /** + * Returns true if airplane mode is currently on + */ + private final boolean isAirplaneModeOn() { + return Settings.Global.getInt(mContext.getContentResolver(), + Settings.Global.AIRPLANE_MODE_ON, 0) == 1; + } + + /** + * Returns true if the Bluetooth saved state is "on" + */ + private final boolean isBluetoothPersistedStateOn() { + return Settings.Global.getInt(mContentResolver, + Settings.Global.BLUETOOTH_ON, 0) ==1; + } + + /** + * Save the Bluetooth on/off state + * + */ + private void persistBluetoothSetting(boolean setOn) { + Settings.Global.putInt(mContext.getContentResolver(), + Settings.Global.BLUETOOTH_ON, + setOn ? 1 : 0); + } + + /** + * Returns true if the Bluetooth Adapter's name and address is + * locally cached + * @return + */ + private boolean isNameAndAddressSet() { + return mName !=null && mAddress!= null && mName.length()>0 && mAddress.length()>0; + } + + /** + * Retrieve the Bluetooth Adapter's name and address and save it in + * in the local cache + */ + private void loadStoredNameAndAddress() { + if (DBG) Log.d(TAG, "Loading stored name and address"); + mName = Settings.Secure.getString(mContentResolver, SECURE_SETTINGS_BLUETOOTH_NAME); + mAddress = Settings.Secure.getString(mContentResolver, SECURE_SETTINGS_BLUETOOTH_ADDRESS); + if (mName == null || mAddress == null) { + if (DBG) Log.d(TAG, "Name or address not cached..."); + } + } + + /** + * Save the Bluetooth name and address in the persistent store. + * Only non-null values will be saved. + * @param name + * @param address + */ + private void storeNameAndAddress(String name, String address) { + if (name != null) { + Settings.Secure.putString(mContentResolver, SECURE_SETTINGS_BLUETOOTH_NAME, name); + mName = name; + if (DBG) Log.d(TAG,"Stored Bluetooth name: " + + Settings.Secure.getString(mContentResolver,SECURE_SETTINGS_BLUETOOTH_NAME)); + } + + if (address != null) { + Settings.Secure.putString(mContentResolver, SECURE_SETTINGS_BLUETOOTH_ADDRESS, address); + mAddress=address; + if (DBG) Log.d(TAG,"Stored Bluetoothaddress: " + + Settings.Secure.getString(mContentResolver,SECURE_SETTINGS_BLUETOOTH_ADDRESS)); + } + } + + public IBluetooth registerAdapter(IBluetoothManagerCallback callback){ + Message msg = mHandler.obtainMessage(MESSAGE_REGISTER_ADAPTER); + msg.obj = callback; + mHandler.sendMessage(msg); + synchronized(mConnection) { + return mBluetooth; + } + } + + public void unregisterAdapter(IBluetoothManagerCallback callback) { + mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM, + "Need BLUETOOTH permission"); + Message msg = mHandler.obtainMessage(MESSAGE_UNREGISTER_ADAPTER); + msg.obj = callback; + mHandler.sendMessage(msg); + } + + public void registerStateChangeCallback(IBluetoothStateChangeCallback callback) { + mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM, + "Need BLUETOOTH permission"); + Message msg = mHandler.obtainMessage(MESSAGE_REGISTER_STATE_CHANGE_CALLBACK); + msg.obj = callback; + mHandler.sendMessage(msg); + } + + public void unregisterStateChangeCallback(IBluetoothStateChangeCallback callback) { + mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM, + "Need BLUETOOTH permission"); + Message msg = mHandler.obtainMessage(MESSAGE_UNREGISTER_STATE_CHANGE_CALLBACK); + msg.obj = callback; + mHandler.sendMessage(msg); + } + + public boolean isEnabled() { + synchronized(mConnection) { + try { + return (mBluetooth != null && mBluetooth.isEnabled()); + } catch (RemoteException e) { + Log.e(TAG, "isEnabled()", e); + } + } + return false; + } + + public void getNameAndAddress() { + if (DBG) { + Log.d(TAG,"getNameAndAddress(): mBluetooth = " + mBluetooth + + " mBinding = " + mBinding); + } + synchronized(mConnection) { + if (mBinding) return; + if (mConnection == null) mBinding = true; + } + Message msg = mHandler.obtainMessage(MESSAGE_GET_NAME_AND_ADDRESS); + mHandler.sendMessage(msg); + } + public boolean enableNoAutoConnect() + { + mContext.enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM, + "Need BLUETOOTH ADMIN permission"); + if (DBG) { + Log.d(TAG,"enableNoAutoConnect(): mBluetooth =" + mBluetooth + + " mBinding = " + mBinding); + } + if (Binder.getCallingUid() != android.os.Process.NFC_UID) { + throw new SecurityException("no permission to enable Bluetooth quietly"); + } + synchronized(mConnection) { + if (mBinding) { + Log.w(TAG,"enableNoAutoConnect(): binding in progress. Returning.."); + return true; + } + if (mConnection == null) mBinding = true; + } + + Message msg = mHandler.obtainMessage(MESSAGE_ENABLE); + msg.arg1=0; //No persist + msg.arg2=1; //Quiet mode + mHandler.sendMessage(msg); + return true; + + } + public boolean enable() { + mContext.enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM, + "Need BLUETOOTH ADMIN permission"); + if (DBG) { + Log.d(TAG,"enable(): mBluetooth =" + mBluetooth + + " mBinding = " + mBinding); + } + + synchronized(mConnection) { + if (mBinding) { + Log.w(TAG,"enable(): binding in progress. Returning.."); + return true; + } + if (mConnection == null) mBinding = true; + } + + Message msg = mHandler.obtainMessage(MESSAGE_ENABLE); + msg.arg1=1; //persist + msg.arg2=0; //No Quiet Mode + mHandler.sendMessage(msg); + return true; + } + + public boolean disable(boolean persist) { + mContext.enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM, + "Need BLUETOOTH ADMIN permissicacheNameAndAddresson"); + if (DBG) { + Log.d(TAG,"disable(): mBluetooth = " + mBluetooth + + " mBinding = " + mBinding); + } + + synchronized(mConnection) { + if (mBluetooth == null) return false; + } + Message msg = mHandler.obtainMessage(MESSAGE_DISABLE); + msg.arg1=(persist?1:0); + mHandler.sendMessage(msg); + return true; + } + + public void unbindAndFinish() { + if (DBG) { + Log.d(TAG,"unbindAndFinish(): " + mBluetooth + + " mBinding = " + mBinding); + } + + synchronized (mConnection) { + if (mUnbinding) return; + mUnbinding = true; + if (mConnection != null) { + if (!mConnection.isGetNameAddressOnly()) { + //Unregister callback object + try { + mBluetooth.unregisterCallback(mBluetoothCallback); + } catch (RemoteException re) { + Log.e(TAG, "Unable to register BluetoothCallback",re); + } + } + if (DBG) Log.d(TAG, "Sending unbind request."); + mBluetooth = null; + //Unbind + mContext.unbindService(mConnection); + mUnbinding = false; + } else { + mUnbinding=false; + } + } + } + + private void sendBluetoothStateCallback(boolean isUp) { + int n = mStateChangeCallbacks.beginBroadcast(); + if (DBG) Log.d(TAG,"Broadcasting onBluetoothStateChange("+isUp+") to " + n + " receivers."); + for (int i=0; i <n;i++) { + try { + mStateChangeCallbacks.getBroadcastItem(i).onBluetoothStateChange(isUp); + } catch (RemoteException e) { + Log.e(TAG, "Unable to call onBluetoothStateChange() on callback #" + i , e); + } + } + mStateChangeCallbacks.finishBroadcast(); + } + + /** + * Inform BluetoothAdapter instances that Adapter service is down + */ + private void sendBluetoothServiceDownCallback() { + if (!mConnection.isGetNameAddressOnly()) { + if (DBG) Log.d(TAG,"Calling onBluetoothServiceDown callbacks"); + int n = mCallbacks.beginBroadcast(); + Log.d(TAG,"Broadcasting onBluetoothServiceDown() to " + n + " receivers."); + for (int i=0; i <n;i++) { + try { + mCallbacks.getBroadcastItem(i).onBluetoothServiceDown(); + } catch (RemoteException e) { + Log.e(TAG, "Unable to call onBluetoothServiceDown() on callback #" + i, e); + } + } + mCallbacks.finishBroadcast(); + } + } + public String getAddress() { + mContext.enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM, + "Need BLUETOOTH ADMIN permission"); + synchronized(mConnection) { + if (mBluetooth != null) { + try { + return mBluetooth.getAddress(); + } catch (RemoteException e) { + Log.e(TAG, "getAddress(): Unable to retrieve address remotely..Returning cached address",e); + } + } + } + // mAddress is accessed from outside. + // It is alright without a lock. Here, bluetooth is off, no other thread is + // changing mAddress + return mAddress; + } + + public String getName() { + mContext.enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM, + "Need BLUETOOTH ADMIN permission"); + synchronized(mConnection) { + if (mBluetooth != null) { + try { + return mBluetooth.getName(); + } catch (RemoteException e) { + Log.e(TAG, "getName(): Unable to retrieve name remotely..Returning cached name",e); + } + } + } + // mName is accessed from outside. + // It alright without a lock. Here, bluetooth is off, no other thread is + // changing mName + return mName; + } + + private class BluetoothServiceConnection implements ServiceConnection { + + private boolean mGetNameAddressOnly; + + public void setGetNameAddressOnly(boolean getOnly) { + mGetNameAddressOnly = getOnly; + } + + public boolean isGetNameAddressOnly() { + return mGetNameAddressOnly; + } + + public void onServiceConnected(ComponentName className, IBinder service) { + if (DBG) Log.d(TAG, "BluetoothServiceConnection: connected to AdapterService"); + Message msg = mHandler.obtainMessage(MESSAGE_BLUETOOTH_SERVICE_CONNECTED); + msg.obj = service; + mHandler.sendMessage(msg); + } + + public void onServiceDisconnected(ComponentName className) { + // Called if we unexpected disconnected. + if (DBG) Log.d(TAG, "BluetoothServiceConnection: disconnected from AdapterService"); + Message msg = mHandler.obtainMessage(MESSAGE_BLUETOOTH_SERVICE_DISCONNECTED); + mHandler.sendMessage(msg); + } + } + + private BluetoothServiceConnection mConnection = new BluetoothServiceConnection(); + + private final Handler mHandler = new Handler() { + @Override + public void handleMessage(Message msg) { + if (DBG) Log.d (TAG, "Message: " + msg.what); + switch (msg.what) { + case MESSAGE_GET_NAME_AND_ADDRESS: { + if (DBG) Log.d(TAG,"MESSAGE_GET_NAME_AND_ADDRESS"); + synchronized(mConnection) { + //Start bind request + if (mBluetooth == null) { + if (DBG) Log.d(TAG, "Binding to service to get name and address"); + mConnection.setGetNameAddressOnly(true); + //Start bind timeout and bind + Message timeoutMsg = mHandler.obtainMessage(MESSAGE_TIMEOUT_BIND); + mHandler.sendMessageDelayed(timeoutMsg,TIMEOUT_BIND_MS); + Intent i = new Intent(IBluetooth.class.getName()); + if (!mContext.bindService(i, mConnection, + Context.BIND_AUTO_CREATE, UserHandle.USER_CURRENT)) { + mHandler.removeMessages(MESSAGE_TIMEOUT_BIND); + Log.e(TAG, "fail to bind to: " + IBluetooth.class.getName()); + } + } + else { + Message saveMsg= mHandler.obtainMessage(MESSAGE_SAVE_NAME_AND_ADDRESS); + mHandler.sendMessage(saveMsg); + } + } + break; + } + case MESSAGE_SAVE_NAME_AND_ADDRESS: { + if (DBG) Log.d(TAG,"MESSAGE_SAVE_NAME_AND_ADDRESS"); + synchronized(mConnection) { + if (mBluetooth != null) { + String name = null; + String address = null; + try { + name = mBluetooth.getName(); + address = mBluetooth.getAddress(); + } catch (RemoteException re) { + Log.e(TAG,"",re); + } + + if (name != null && address != null) { + storeNameAndAddress(name,address); + sendBluetoothServiceDownCallback(); + unbindAndFinish(); + } else { + if (msg.arg1 < MAX_SAVE_RETRIES) { + Message retryMsg = mHandler.obtainMessage(MESSAGE_SAVE_NAME_AND_ADDRESS); + retryMsg.arg1= 1+msg.arg1; + if (DBG) Log.d(TAG,"Retrying name/address remote retrieval and save.....Retry count =" + retryMsg.arg1); + mHandler.sendMessageDelayed(retryMsg, TIMEOUT_SAVE_MS); + } else { + Log.w(TAG,"Maximum name/address remote retrieval retry exceeded"); + sendBluetoothServiceDownCallback(); + unbindAndFinish(); + } + } + } + } + break; + } + case MESSAGE_ENABLE: + if (DBG) { + Log.d(TAG, "MESSAGE_ENABLE: mBluetooth = " + mBluetooth); + } + + handleEnable(msg.arg1 == 1, msg.arg2 ==1); + break; + + case MESSAGE_DISABLE: + handleDisable(msg.arg1 == 1); + break; + + case MESSAGE_REGISTER_ADAPTER: + { + IBluetoothManagerCallback callback = (IBluetoothManagerCallback) msg.obj; + boolean added = mCallbacks.register(callback); + Log.d(TAG,"Added callback: " + (callback == null? "null": callback) +":" +added ); + } + break; + case MESSAGE_UNREGISTER_ADAPTER: + { + IBluetoothManagerCallback callback = (IBluetoothManagerCallback) msg.obj; + boolean removed = mCallbacks.unregister(callback); + Log.d(TAG,"Removed callback: " + (callback == null? "null": callback) +":" + removed); + break; + } + case MESSAGE_REGISTER_STATE_CHANGE_CALLBACK: + { + IBluetoothStateChangeCallback callback = (IBluetoothStateChangeCallback) msg.obj; + mStateChangeCallbacks.register(callback); + break; + } + case MESSAGE_UNREGISTER_STATE_CHANGE_CALLBACK: + { + IBluetoothStateChangeCallback callback = (IBluetoothStateChangeCallback) msg.obj; + mStateChangeCallbacks.unregister(callback); + break; + } + case MESSAGE_BLUETOOTH_SERVICE_CONNECTED: + { + if (DBG) Log.d(TAG,"MESSAGE_BLUETOOTH_SERVICE_CONNECTED"); + + //Remove timeout + mHandler.removeMessages(MESSAGE_TIMEOUT_BIND); + + IBinder service = (IBinder) msg.obj; + synchronized(mConnection) { + mBinding = false; + mBluetooth = IBluetooth.Stub.asInterface(service); + + if (mConnection.isGetNameAddressOnly()) { + //Request GET NAME AND ADDRESS + Message getMsg = mHandler.obtainMessage(MESSAGE_GET_NAME_AND_ADDRESS); + mHandler.sendMessage(getMsg); + return; + } + + //Register callback object + try { + mBluetooth.registerCallback(mBluetoothCallback); + } catch (RemoteException re) { + Log.e(TAG, "Unable to register BluetoothCallback",re); + } + + //Inform BluetoothAdapter instances that service is up + int n = mCallbacks.beginBroadcast(); + Log.d(TAG,"Broadcasting onBluetoothServiceUp() to " + n + " receivers."); + for (int i=0; i <n;i++) { + try { + mCallbacks.getBroadcastItem(i).onBluetoothServiceUp(mBluetooth); + } catch (RemoteException e) { + Log.e(TAG, "Unable to call onBluetoothServiceUp() on callback #" + i, e); + } + } + mCallbacks.finishBroadcast(); + + //Do enable request + try { + if (mQuietEnable == false) { + if(!mBluetooth.enable()) { + Log.e(TAG,"IBluetooth.enable() returned false"); + } + } + else + { + if(!mBluetooth.enableNoAutoConnect()) { + Log.e(TAG,"IBluetooth.enableNoAutoConnect() returned false"); + } + } + } catch (RemoteException e) { + Log.e(TAG,"Unable to call enable()",e); + } + } + break; + } + case MESSAGE_TIMEOUT_BIND: { + Log.e(TAG, "MESSAGE_TIMEOUT_BIND"); + synchronized(mConnection) { + mBinding = false; + } + break; + } + case MESSAGE_BLUETOOTH_STATE_CHANGE: + { + int prevState = msg.arg1; + int newState = msg.arg2; + if (DBG) Log.d(TAG, "MESSAGE_BLUETOOTH_STATE_CHANGE: prevState = " + prevState + ", newState=" + newState); + if (prevState != newState) { + //Notify all proxy objects first of adapter state change + if (newState == BluetoothAdapter.STATE_ON || newState == BluetoothAdapter.STATE_OFF) { + boolean isUp = (newState==BluetoothAdapter.STATE_ON); + sendBluetoothStateCallback(isUp); + + //If Bluetooth is off, send service down event to proxy objects, and unbind + if (!isUp) { + sendBluetoothServiceDownCallback(); + unbindAndFinish(); + } + } + + //Send broadcast message to everyone else + Intent intent = new Intent(BluetoothAdapter.ACTION_STATE_CHANGED); + intent.putExtra(BluetoothAdapter.EXTRA_PREVIOUS_STATE, prevState); + intent.putExtra(BluetoothAdapter.EXTRA_STATE, newState); + intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); + if (DBG) Log.d(TAG,"Bluetooth State Change Intent: " + prevState + " -> " + newState); + mContext.sendBroadcastAsUser(intent, UserHandle.ALL, + BLUETOOTH_PERM); + } + break; + } + case MESSAGE_BLUETOOTH_SERVICE_DISCONNECTED: + { + if (DBG) Log.d(TAG, "MESSAGE_BLUETOOTH_SERVICE_DISCONNECTED"); + sendBluetoothServiceDownCallback(); + + // Send BT state broadcast to update + // the BT icon correctly + Message stateChangeMsg = mHandler.obtainMessage( + MESSAGE_BLUETOOTH_STATE_CHANGE); + stateChangeMsg.arg1 = BluetoothAdapter.STATE_ON; + stateChangeMsg.arg2 = + BluetoothAdapter.STATE_TURNING_OFF; + mHandler.sendMessage(stateChangeMsg); + synchronized(mConnection) { + mBluetooth = null; + } + // Send a Bluetooth Restart message + Message restartMsg = mHandler.obtainMessage( + MESSAGE_RESTART_BLUETOOTH_SERVICE); + mHandler.sendMessageDelayed(restartMsg, + SERVICE_RESTART_TIME_MS); + break; + } + case MESSAGE_RESTART_BLUETOOTH_SERVICE: + { + Log.d(TAG, "MESSAGE_RESTART_BLUETOOTH_SERVICE:" + +" Restart IBluetooth service"); + /* Enable without persisting the setting as + it doesnt change when IBluetooth + service restarts */ + handleEnable(false, mQuietEnable); + break; + } + + case MESSAGE_TIMEOUT_UNBIND: + { + Log.e(TAG, "MESSAGE_TIMEOUT_UNBIND"); + synchronized(mConnection) { + mUnbinding = false; + } + break; + } + } + } + }; + + private void handleEnable(boolean persist, boolean quietMode) { + if (persist) { + persistBluetoothSetting(true); + } + + mQuietEnable = quietMode; + + synchronized(mConnection) { + if (mBluetooth == null) { + //Start bind timeout and bind + Message timeoutMsg=mHandler.obtainMessage(MESSAGE_TIMEOUT_BIND); + mHandler.sendMessageDelayed(timeoutMsg,TIMEOUT_BIND_MS); + mConnection.setGetNameAddressOnly(false); + Intent i = new Intent(IBluetooth.class.getName()); + if (!mContext.bindService(i, mConnection, Context.BIND_AUTO_CREATE, + UserHandle.USER_CURRENT)) { + mHandler.removeMessages(MESSAGE_TIMEOUT_BIND); + Log.e(TAG, "Fail to bind to: " + IBluetooth.class.getName()); + } + } else { + //Check if name and address is loaded if not get it first. + if (!isNameAndAddressSet()) { + try { + if (DBG) Log.d(TAG,"Getting and storing Bluetooth name and address prior to enable."); + storeNameAndAddress(mBluetooth.getName(),mBluetooth.getAddress()); + } catch (RemoteException e) {Log.e(TAG, "", e);}; + } + + //Enable bluetooth + try { + if (!mQuietEnable) { + if(!mBluetooth.enable()) { + Log.e(TAG,"IBluetooth.enable() returned false"); + } + } + else { + if(!mBluetooth.enableNoAutoConnect()) { + Log.e(TAG,"IBluetooth.enableNoAutoConnect() returned false"); + } + } + } catch (RemoteException e) { + Log.e(TAG,"Unable to call enable()",e); + } + } + } + } + + private void handleDisable(boolean persist) { + synchronized(mConnection) { + if (mBluetooth != null ) { + if (persist) { + persistBluetoothSetting(false); + } + mConnection.setGetNameAddressOnly(false); + if (DBG) Log.d(TAG,"Sending off request."); + + try { + if(!mBluetooth.disable()) { + Log.e(TAG,"IBluetooth.disable() returned false"); + } + } catch (RemoteException e) { + Log.e(TAG,"Unable to call disable()",e); + } + } + } + } +} |