nxpandroid | 64fd68c | 2015-09-23 16:45:15 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 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 | package com.android.nfc.beam; |
| 17 | |
nxpandroid | 1153eb3 | 2015-11-06 18:46:58 +0530 | [diff] [blame] | 18 | import com.android.nfc.NfcService; |
Nikhil Chhabra | 327d069 | 2018-01-08 21:30:06 +0530 | [diff] [blame] | 19 | import com.android.nfc.R; |
nxpandroid | 64fd68c | 2015-09-23 16:45:15 +0530 | [diff] [blame] | 20 | import com.android.nfc.handover.HandoverDataParser; |
| 21 | |
| 22 | import android.bluetooth.BluetoothDevice; |
| 23 | import android.content.Context; |
| 24 | import android.content.Intent; |
| 25 | import android.net.Uri; |
| 26 | import android.os.Handler; |
| 27 | import android.os.Looper; |
| 28 | import android.os.Message; |
| 29 | import android.os.Messenger; |
| 30 | import android.os.UserHandle; |
| 31 | import android.util.Log; |
| 32 | |
| 33 | /** |
| 34 | * Manager for starting and stopping Beam transfers. Prevents more than one transfer from |
| 35 | * happening at a time. |
| 36 | */ |
| 37 | public class BeamManager implements Handler.Callback { |
| 38 | private static final String TAG = "BeamManager"; |
| 39 | private static final boolean DBG = false; |
| 40 | |
| 41 | private static final String ACTION_WHITELIST_DEVICE = |
| 42 | "android.btopp.intent.action.WHITELIST_DEVICE"; |
| 43 | public static final int MSG_BEAM_COMPLETE = 0; |
| 44 | |
| 45 | private final Object mLock; |
| 46 | |
| 47 | private boolean mBeamInProgress; |
| 48 | private final Handler mCallback; |
| 49 | |
nxpandroid | 1153eb3 | 2015-11-06 18:46:58 +0530 | [diff] [blame] | 50 | private NfcService mNfcService; |
| 51 | |
nxpandroid | 64fd68c | 2015-09-23 16:45:15 +0530 | [diff] [blame] | 52 | private static final class Singleton { |
| 53 | public static final BeamManager INSTANCE = new BeamManager(); |
| 54 | } |
| 55 | |
| 56 | private BeamManager() { |
| 57 | mLock = new Object(); |
| 58 | mBeamInProgress = false; |
| 59 | mCallback = new Handler(Looper.getMainLooper(), this); |
nxpandroid | 1153eb3 | 2015-11-06 18:46:58 +0530 | [diff] [blame] | 60 | mNfcService = NfcService.getInstance(); |
nxpandroid | 64fd68c | 2015-09-23 16:45:15 +0530 | [diff] [blame] | 61 | } |
| 62 | |
| 63 | public static BeamManager getInstance() { |
| 64 | return Singleton.INSTANCE; |
| 65 | } |
| 66 | |
| 67 | public boolean isBeamInProgress() { |
| 68 | synchronized (mLock) { |
| 69 | return mBeamInProgress; |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | public boolean startBeamReceive(Context context, |
| 74 | HandoverDataParser.BluetoothHandoverData handoverData) { |
| 75 | synchronized (mLock) { |
| 76 | if (mBeamInProgress) { |
| 77 | return false; |
| 78 | } else { |
| 79 | mBeamInProgress = true; |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | BeamTransferRecord transferRecord = |
| 84 | BeamTransferRecord.forBluetoothDevice( |
| 85 | handoverData.device, handoverData.carrierActivating, null); |
| 86 | |
| 87 | Intent receiveIntent = new Intent(context.getApplicationContext(), |
| 88 | BeamReceiveService.class); |
| 89 | receiveIntent.putExtra(BeamReceiveService.EXTRA_BEAM_TRANSFER_RECORD, transferRecord); |
| 90 | receiveIntent.putExtra(BeamReceiveService.EXTRA_BEAM_COMPLETE_CALLBACK, |
| 91 | new Messenger(mCallback)); |
| 92 | whitelistOppDevice(context, handoverData.device); |
| 93 | context.startServiceAsUser(receiveIntent, UserHandle.CURRENT); |
| 94 | return true; |
| 95 | } |
| 96 | |
| 97 | public boolean startBeamSend(Context context, |
| 98 | HandoverDataParser.BluetoothHandoverData outgoingHandoverData, |
| 99 | Uri[] uris, UserHandle userHandle) { |
| 100 | synchronized (mLock) { |
| 101 | if (mBeamInProgress) { |
| 102 | return false; |
| 103 | } else { |
| 104 | mBeamInProgress = true; |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | BeamTransferRecord transferRecord = BeamTransferRecord.forBluetoothDevice( |
| 109 | outgoingHandoverData.device, outgoingHandoverData.carrierActivating, |
| 110 | uris); |
| 111 | Intent sendIntent = new Intent(context.getApplicationContext(), |
| 112 | BeamSendService.class); |
| 113 | sendIntent.putExtra(BeamSendService.EXTRA_BEAM_TRANSFER_RECORD, transferRecord); |
| 114 | sendIntent.putExtra(BeamSendService.EXTRA_BEAM_COMPLETE_CALLBACK, |
| 115 | new Messenger(mCallback)); |
| 116 | context.startServiceAsUser(sendIntent, userHandle); |
| 117 | return true; |
| 118 | } |
| 119 | |
| 120 | @Override |
| 121 | public boolean handleMessage(Message msg) { |
| 122 | if (msg.what == MSG_BEAM_COMPLETE) { |
| 123 | synchronized (mLock) { |
| 124 | mBeamInProgress = false; |
| 125 | } |
nxpandroid | 1153eb3 | 2015-11-06 18:46:58 +0530 | [diff] [blame] | 126 | |
| 127 | boolean success = msg.arg1 == 1; |
| 128 | if (success) { |
| 129 | mNfcService.playSound(NfcService.SOUND_END); |
| 130 | } |
nxpandroid | 64fd68c | 2015-09-23 16:45:15 +0530 | [diff] [blame] | 131 | return true; |
| 132 | } |
| 133 | return false; |
| 134 | } |
| 135 | |
| 136 | void whitelistOppDevice(Context context, BluetoothDevice device) { |
| 137 | if (DBG) Log.d(TAG, "Whitelisting " + device + " for BT OPP"); |
| 138 | Intent intent = new Intent(ACTION_WHITELIST_DEVICE); |
Nikhil Chhabra | 327d069 | 2018-01-08 21:30:06 +0530 | [diff] [blame] | 139 | intent.setPackage(context.getString(R.string.bluetooth_package)); |
nxpandroid | 64fd68c | 2015-09-23 16:45:15 +0530 | [diff] [blame] | 140 | intent.putExtra(BluetoothDevice.EXTRA_DEVICE, device); |
| 141 | context.sendBroadcastAsUser(intent, UserHandle.CURRENT); |
| 142 | } |
| 143 | |
| 144 | } |