nxpandroid | 64fd68c | 2015-09-23 16:45:15 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.nfc.beam; |
| 18 | |
nxpandroid | 64fd68c | 2015-09-23 16:45:15 +0530 | [diff] [blame] | 19 | import android.app.Service; |
| 20 | import android.bluetooth.BluetoothAdapter; |
| 21 | import android.content.BroadcastReceiver; |
| 22 | import android.content.Context; |
| 23 | import android.content.Intent; |
| 24 | import android.content.IntentFilter; |
nxpandroid | 64fd68c | 2015-09-23 16:45:15 +0530 | [diff] [blame] | 25 | import android.os.Handler; |
| 26 | import android.os.IBinder; |
| 27 | import android.os.Message; |
| 28 | import android.os.Messenger; |
| 29 | import android.os.RemoteException; |
| 30 | import android.util.Log; |
| 31 | |
| 32 | public class BeamSendService extends Service implements BeamTransferManager.Callback { |
| 33 | private static String TAG = "BeamSendService"; |
| 34 | private static boolean DBG = true; |
| 35 | |
| 36 | public static String EXTRA_BEAM_TRANSFER_RECORD |
| 37 | = "com.android.nfc.beam.EXTRA_BEAM_TRANSFER_RECORD"; |
| 38 | public static final String EXTRA_BEAM_COMPLETE_CALLBACK |
| 39 | = "com.android.nfc.beam.TRANSFER_COMPLETE_CALLBACK"; |
| 40 | |
| 41 | private BeamTransferManager mTransferManager; |
| 42 | private BeamStatusReceiver mBeamStatusReceiver; |
| 43 | private boolean mBluetoothEnabledByNfc; |
| 44 | private Messenger mCompleteCallback; |
| 45 | private int mStartId; |
nxpandroid | 64fd68c | 2015-09-23 16:45:15 +0530 | [diff] [blame] | 46 | |
| 47 | private final BluetoothAdapter mBluetoothAdapter; |
| 48 | private final BroadcastReceiver mBluetoothStateReceiver = new BroadcastReceiver() { |
| 49 | @Override |
| 50 | public void onReceive(Context context, Intent intent) { |
| 51 | String action = intent.getAction(); |
| 52 | if (action.equals(BluetoothAdapter.ACTION_STATE_CHANGED)) { |
| 53 | handleBluetoothStateChanged(intent); |
| 54 | } |
| 55 | } |
| 56 | }; |
| 57 | |
| 58 | public BeamSendService() { |
| 59 | mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); |
| 60 | } |
| 61 | |
| 62 | @Override |
| 63 | public void onCreate() { |
nxpandroid | 281eb92 | 2016-08-25 20:27:46 +0530 | [diff] [blame] | 64 | super.onCreate(); |
nxpandroid | 64fd68c | 2015-09-23 16:45:15 +0530 | [diff] [blame] | 65 | |
nxpandroid | 64fd68c | 2015-09-23 16:45:15 +0530 | [diff] [blame] | 66 | // register BT state receiver |
| 67 | IntentFilter filter = new IntentFilter(BluetoothAdapter.ACTION_STATE_CHANGED); |
| 68 | registerReceiver(mBluetoothStateReceiver, filter); |
| 69 | } |
| 70 | |
| 71 | @Override |
| 72 | public void onDestroy() { |
| 73 | super.onDestroy(); |
nxpandroid | 64fd68c | 2015-09-23 16:45:15 +0530 | [diff] [blame] | 74 | |
| 75 | if (mBeamStatusReceiver != null) { |
| 76 | unregisterReceiver(mBeamStatusReceiver); |
| 77 | } |
| 78 | unregisterReceiver(mBluetoothStateReceiver); |
| 79 | } |
| 80 | |
| 81 | @Override |
| 82 | public int onStartCommand(Intent intent, int flags, int startId) { |
| 83 | mStartId = startId; |
| 84 | |
| 85 | BeamTransferRecord transferRecord; |
| 86 | if (intent == null || |
nxpandroid | 281eb92 | 2016-08-25 20:27:46 +0530 | [diff] [blame] | 87 | (transferRecord = intent.getParcelableExtra(EXTRA_BEAM_TRANSFER_RECORD)) == null) { |
nxpandroid | 64fd68c | 2015-09-23 16:45:15 +0530 | [diff] [blame] | 88 | if (DBG) Log.e(TAG, "No transfer record provided. Stopping."); |
| 89 | stopSelf(startId); |
| 90 | return START_NOT_STICKY; |
| 91 | } |
| 92 | |
| 93 | mCompleteCallback = intent.getParcelableExtra(EXTRA_BEAM_COMPLETE_CALLBACK); |
| 94 | |
| 95 | if (doTransfer(transferRecord)) { |
| 96 | if (DBG) Log.i(TAG, "Starting outgoing Beam transfer"); |
| 97 | return START_STICKY; |
| 98 | } else { |
nxpandroid | 1153eb3 | 2015-11-06 18:46:58 +0530 | [diff] [blame] | 99 | invokeCompleteCallback(false); |
nxpandroid | 64fd68c | 2015-09-23 16:45:15 +0530 | [diff] [blame] | 100 | stopSelf(startId); |
| 101 | return START_NOT_STICKY; |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | boolean doTransfer(BeamTransferRecord transferRecord) { |
| 106 | if (createBeamTransferManager(transferRecord)) { |
| 107 | // register Beam status receiver |
| 108 | mBeamStatusReceiver = new BeamStatusReceiver(this, mTransferManager); |
| 109 | registerReceiver(mBeamStatusReceiver, mBeamStatusReceiver.getIntentFilter(), |
| 110 | BeamStatusReceiver.BEAM_STATUS_PERMISSION, new Handler()); |
| 111 | |
| 112 | if (transferRecord.dataLinkType == BeamTransferRecord.DATA_LINK_TYPE_BLUETOOTH) { |
| 113 | if (mBluetoothAdapter.isEnabled()) { |
| 114 | // Start the transfer |
| 115 | mTransferManager.start(); |
| 116 | } else { |
| 117 | if (!mBluetoothAdapter.enableNoAutoConnect()) { |
| 118 | Log.e(TAG, "Error enabling Bluetooth."); |
| 119 | mTransferManager = null; |
| 120 | return false; |
| 121 | } |
| 122 | mBluetoothEnabledByNfc = true; |
| 123 | if (DBG) Log.d(TAG, "Queueing out transfer " |
| 124 | + Integer.toString(transferRecord.id)); |
| 125 | } |
| 126 | } |
| 127 | return true; |
| 128 | } |
| 129 | |
| 130 | return false; |
| 131 | } |
| 132 | |
| 133 | boolean createBeamTransferManager(BeamTransferRecord transferRecord) { |
| 134 | if (mTransferManager != null) { |
| 135 | return false; |
| 136 | } |
| 137 | |
| 138 | if (transferRecord.dataLinkType != BeamTransferRecord.DATA_LINK_TYPE_BLUETOOTH) { |
| 139 | // only support BT |
| 140 | return false; |
| 141 | } |
| 142 | |
| 143 | mTransferManager = new BeamTransferManager(this, this, transferRecord, false); |
| 144 | mTransferManager.updateNotification(); |
| 145 | return true; |
| 146 | } |
| 147 | |
| 148 | private void handleBluetoothStateChanged(Intent intent) { |
| 149 | int state = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, |
| 150 | BluetoothAdapter.ERROR); |
| 151 | if (state == BluetoothAdapter.STATE_ON) { |
| 152 | if (mTransferManager != null && |
| 153 | mTransferManager.mDataLinkType == BeamTransferRecord.DATA_LINK_TYPE_BLUETOOTH) { |
| 154 | mTransferManager.start(); |
| 155 | } |
nxpandroid | 281eb92 | 2016-08-25 20:27:46 +0530 | [diff] [blame] | 156 | } else if (state == BluetoothAdapter.STATE_OFF) { |
nxpandroid | 64fd68c | 2015-09-23 16:45:15 +0530 | [diff] [blame] | 157 | mBluetoothEnabledByNfc = false; |
| 158 | } |
| 159 | } |
| 160 | |
nxpandroid | 1153eb3 | 2015-11-06 18:46:58 +0530 | [diff] [blame] | 161 | private void invokeCompleteCallback(boolean success) { |
nxpandroid | 64fd68c | 2015-09-23 16:45:15 +0530 | [diff] [blame] | 162 | if (mCompleteCallback != null) { |
| 163 | try { |
nxpandroid | 1153eb3 | 2015-11-06 18:46:58 +0530 | [diff] [blame] | 164 | Message msg = Message.obtain(null, BeamManager.MSG_BEAM_COMPLETE); |
| 165 | msg.arg1 = success ? 1 : 0; |
| 166 | mCompleteCallback.send(msg); |
nxpandroid | 64fd68c | 2015-09-23 16:45:15 +0530 | [diff] [blame] | 167 | } catch (RemoteException e) { |
| 168 | Log.e(TAG, "failed to invoke Beam complete callback", e); |
| 169 | } |
| 170 | } |
| 171 | } |
| 172 | |
| 173 | @Override |
| 174 | public void onTransferComplete(BeamTransferManager transfer, boolean success) { |
| 175 | // Play success sound |
nxpandroid | 1153eb3 | 2015-11-06 18:46:58 +0530 | [diff] [blame] | 176 | if (!success) { |
nxpandroid | 64fd68c | 2015-09-23 16:45:15 +0530 | [diff] [blame] | 177 | if (DBG) Log.d(TAG, "Transfer failed, final state: " + |
| 178 | Integer.toString(transfer.mState)); |
| 179 | } |
| 180 | |
| 181 | if (mBluetoothEnabledByNfc) { |
| 182 | mBluetoothEnabledByNfc = false; |
| 183 | mBluetoothAdapter.disable(); |
| 184 | } |
| 185 | |
nxpandroid | 1153eb3 | 2015-11-06 18:46:58 +0530 | [diff] [blame] | 186 | invokeCompleteCallback(success); |
nxpandroid | 64fd68c | 2015-09-23 16:45:15 +0530 | [diff] [blame] | 187 | stopSelf(mStartId); |
| 188 | } |
| 189 | |
| 190 | @Override |
| 191 | public IBinder onBind(Intent intent) { |
| 192 | return null; |
| 193 | } |
| 194 | } |