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package com.android.nfc.beam;
import android.app.Service;
import android.bluetooth.BluetoothAdapter;
import android.content.Context;
import android.content.Intent;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.os.Messenger;
import android.os.RemoteException;
import android.util.Log;
/**
* @hide
*/
public class BeamReceiveService extends Service implements BeamTransferManager.Callback {
private static String TAG = "BeamReceiveService";
private static boolean DBG = true;
public static final String EXTRA_BEAM_TRANSFER_RECORD
= "com.android.nfc.beam.EXTRA_BEAM_TRANSFER_RECORD";
public static final String EXTRA_BEAM_COMPLETE_CALLBACK
= "com.android.nfc.beam.TRANSFER_COMPLETE_CALLBACK";
private BeamStatusReceiver mBeamStatusReceiver;
private boolean mBluetoothEnabledByNfc;
private int mStartId;
private BeamTransferManager mTransferManager;
private Messenger mCompleteCallback;
private final BluetoothAdapter mBluetoothAdapter;
public BeamReceiveService() {
mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
mStartId = startId;
BeamTransferRecord transferRecord;
if (intent == null ||
(transferRecord = intent.getParcelableExtra(EXTRA_BEAM_TRANSFER_RECORD)) == null) {
if (DBG) Log.e(TAG, "No transfer record provided. Stopping.");
stopSelf(startId);
return START_NOT_STICKY;
}
mCompleteCallback = intent.getParcelableExtra(EXTRA_BEAM_COMPLETE_CALLBACK);
if (prepareToReceive(transferRecord)) {
if (DBG) Log.i(TAG, "Ready for incoming Beam transfer");
return START_STICKY;
} else {
invokeCompleteCallback(false);
stopSelf(startId);
return START_NOT_STICKY;
}
}
@Override
public void onDestroy() {
super.onDestroy();
if (mBeamStatusReceiver != null) {
unregisterReceiver(mBeamStatusReceiver);
}
}
boolean prepareToReceive(BeamTransferRecord transferRecord) {
if (mTransferManager != null) {
return false;
}
if (transferRecord.dataLinkType != BeamTransferRecord.DATA_LINK_TYPE_BLUETOOTH) {
// only support BT
return false;
}
if (!mBluetoothAdapter.isEnabled()) {
if (!mBluetoothAdapter.enableNoAutoConnect()) {
Log.e(TAG, "Error enabling Bluetooth.");
return false;
}
mBluetoothEnabledByNfc = true;
if (DBG) Log.d(TAG, "Queueing out transfer "
+ Integer.toString(transferRecord.id));
}
mTransferManager = new BeamTransferManager(this, this, transferRecord, true);
// register Beam status receiver
mBeamStatusReceiver = new BeamStatusReceiver(this, mTransferManager);
registerReceiver(mBeamStatusReceiver, mBeamStatusReceiver.getIntentFilter(),
BeamStatusReceiver.BEAM_STATUS_PERMISSION, new Handler());
mTransferManager.start();
mTransferManager.updateNotification();
return true;
}
private void invokeCompleteCallback(boolean success) {
if (mCompleteCallback != null) {
try {
Message msg = Message.obtain(null, BeamManager.MSG_BEAM_COMPLETE);
msg.arg1 = success ? 1 : 0;
mCompleteCallback.send(msg);
} catch (RemoteException e) {
Log.e(TAG, "failed to invoke Beam complete callback", e);
}
}
}
@Override
public void onTransferComplete(BeamTransferManager transfer, boolean success) {
// Play success sound
if (!success) {
if (DBG) Log.d(TAG, "Transfer failed, final state: " +
Integer.toString(transfer.mState));
}
if (mBluetoothEnabledByNfc) {
mBluetoothEnabledByNfc = false;
mBluetoothAdapter.disable();
}
invokeCompleteCallback(success);
stopSelf(mStartId);
}
@Override
public IBinder onBind(Intent intent) {
return null;
}
}
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