1 /* 2 * Copyright (C) 2011 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.settings.bluetooth; 18 19 import android.app.Notification; 20 import android.app.NotificationManager; 21 import android.app.PendingIntent; 22 import android.bluetooth.BluetoothDevice; 23 import android.content.BroadcastReceiver; 24 import android.content.Context; 25 import android.content.Intent; 26 import android.os.PowerManager; 27 import android.util.Log; 28 29 import com.android.settings.R; 30 31 /** 32 * BluetoothPermissionRequest is a receiver to receive Bluetooth connection 33 * access request. 34 */ 35 public final class BluetoothPermissionRequest extends BroadcastReceiver { 36 37 private static final String TAG = "BluetoothPermissionRequest"; 38 private static final boolean DEBUG = Utils.V; 39 public static final int NOTIFICATION_ID = android.R.drawable.stat_sys_data_bluetooth; 40 41 Context mContext; 42 int mRequestType; 43 BluetoothDevice mDevice; 44 String mReturnPackage = null; 45 String mReturnClass = null; 46 47 @Override onReceive(Context context, Intent intent)48 public void onReceive(Context context, Intent intent) { 49 mContext = context; 50 String action = intent.getAction(); 51 52 if (DEBUG) Log.d(TAG, "onReceive"); 53 54 if (action.equals(BluetoothDevice.ACTION_CONNECTION_ACCESS_REQUEST)) { 55 // convert broadcast intent into activity intent (same action string) 56 mDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); 57 mRequestType = intent.getIntExtra(BluetoothDevice.EXTRA_ACCESS_REQUEST_TYPE, 58 BluetoothDevice.REQUEST_TYPE_PROFILE_CONNECTION); 59 mReturnPackage = intent.getStringExtra(BluetoothDevice.EXTRA_PACKAGE_NAME); 60 mReturnClass = intent.getStringExtra(BluetoothDevice.EXTRA_CLASS_NAME); 61 62 Intent connectionAccessIntent = new Intent(action); 63 connectionAccessIntent.setClass(context, BluetoothPermissionActivity.class); 64 connectionAccessIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 65 connectionAccessIntent.putExtra(BluetoothDevice.EXTRA_ACCESS_REQUEST_TYPE, 66 mRequestType); 67 connectionAccessIntent.putExtra(BluetoothDevice.EXTRA_DEVICE, mDevice); 68 connectionAccessIntent.putExtra(BluetoothDevice.EXTRA_PACKAGE_NAME, mReturnPackage); 69 connectionAccessIntent.putExtra(BluetoothDevice.EXTRA_CLASS_NAME, mReturnClass); 70 71 // Check if user had made decisions on accepting or rejecting the phonebook access 72 // request. If there is, reply the request and return, no need to start permission 73 // activity dialog or notification. 74 if (checkUserChoice()) { 75 return; 76 } 77 78 String deviceAddress = mDevice != null ? mDevice.getAddress() : null; 79 80 PowerManager powerManager = 81 (PowerManager) context.getSystemService(Context.POWER_SERVICE); 82 83 if (powerManager.isScreenOn() && 84 LocalBluetoothPreferences.shouldShowDialogInForeground(context, deviceAddress) ) { 85 context.startActivity(connectionAccessIntent); 86 } else { 87 // Put up a notification that leads to the dialog 88 89 // Create an intent triggered by clicking on the 90 // "Clear All Notifications" button 91 92 Intent deleteIntent = new Intent(BluetoothDevice.ACTION_CONNECTION_ACCESS_REPLY); 93 deleteIntent.putExtra(BluetoothDevice.EXTRA_DEVICE, mDevice); 94 deleteIntent.putExtra(BluetoothDevice.EXTRA_CONNECTION_ACCESS_RESULT, 95 BluetoothDevice.CONNECTION_ACCESS_NO); 96 97 Notification notification = new Notification( 98 android.R.drawable.stat_sys_data_bluetooth, 99 context.getString(R.string.bluetooth_connection_permission_request), 100 System.currentTimeMillis()); 101 String deviceName = mDevice != null ? mDevice.getAliasName() : null; 102 notification.setLatestEventInfo(context, 103 context.getString(R.string.bluetooth_connection_permission_request), 104 context.getString(R.string.bluetooth_connection_notif_message, deviceName), 105 PendingIntent.getActivity(context, 0, connectionAccessIntent, 0)); 106 notification.flags = Notification.FLAG_AUTO_CANCEL | 107 Notification.FLAG_ONLY_ALERT_ONCE; 108 notification.defaults = Notification.DEFAULT_SOUND; 109 notification.deleteIntent = PendingIntent.getBroadcast(context, 0, deleteIntent, 0); 110 111 NotificationManager notificationManager = 112 (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE); 113 notificationManager.notify(NOTIFICATION_ID, notification); 114 } 115 } else if (action.equals(BluetoothDevice.ACTION_CONNECTION_ACCESS_CANCEL)) { 116 // Remove the notification 117 NotificationManager manager = (NotificationManager) context 118 .getSystemService(Context.NOTIFICATION_SERVICE); 119 manager.cancel(NOTIFICATION_ID); 120 } 121 } 122 123 /** 124 * @return true user had made a choice, this method replies to the request according 125 * to user's previous decision 126 * false user hadnot made any choice on this device 127 */ checkUserChoice()128 private boolean checkUserChoice() { 129 boolean processed = false; 130 131 // we only remember PHONEBOOK permission 132 if (mRequestType != BluetoothDevice.REQUEST_TYPE_PHONEBOOK_ACCESS) { 133 return processed; 134 } 135 136 LocalBluetoothManager bluetoothManager = LocalBluetoothManager.getInstance(mContext); 137 CachedBluetoothDeviceManager cachedDeviceManager = 138 bluetoothManager.getCachedDeviceManager(); 139 CachedBluetoothDevice cachedDevice = cachedDeviceManager.findDevice(mDevice); 140 141 if (cachedDevice == null) { 142 cachedDevice = cachedDeviceManager.addDevice(bluetoothManager.getBluetoothAdapter(), 143 bluetoothManager.getProfileManager(), mDevice); 144 } 145 146 int phonebookPermission = cachedDevice.getPhonebookPermissionChoice(); 147 148 if (phonebookPermission == CachedBluetoothDevice.PHONEBOOK_ACCESS_UNKNOWN) { 149 return processed; 150 } 151 152 String intentName = BluetoothDevice.ACTION_CONNECTION_ACCESS_REPLY; 153 if (phonebookPermission == CachedBluetoothDevice.PHONEBOOK_ACCESS_ALLOWED) { 154 sendIntentToReceiver(intentName, true, BluetoothDevice.EXTRA_ALWAYS_ALLOWED, true); 155 processed = true; 156 } else if (phonebookPermission == CachedBluetoothDevice.PHONEBOOK_ACCESS_REJECTED) { 157 sendIntentToReceiver(intentName, false, 158 null, false // dummy value, no effect since previous param is null 159 ); 160 processed = true; 161 } else { 162 Log.e(TAG, "Bad phonebookPermission: " + phonebookPermission); 163 } 164 return processed; 165 } 166 sendIntentToReceiver(final String intentName, final boolean allowed, final String extraName, final boolean extraValue)167 private void sendIntentToReceiver(final String intentName, final boolean allowed, 168 final String extraName, final boolean extraValue) { 169 Intent intent = new Intent(intentName); 170 171 if (mReturnPackage != null && mReturnClass != null) { 172 intent.setClassName(mReturnPackage, mReturnClass); 173 } 174 175 intent.putExtra(BluetoothDevice.EXTRA_CONNECTION_ACCESS_RESULT, 176 allowed ? BluetoothDevice.CONNECTION_ACCESS_YES : 177 BluetoothDevice.CONNECTION_ACCESS_NO); 178 179 if (extraName != null) { 180 intent.putExtra(extraName, extraValue); 181 } 182 intent.putExtra(BluetoothDevice.EXTRA_DEVICE, mDevice); 183 mContext.sendBroadcast(intent, android.Manifest.permission.BLUETOOTH_ADMIN); 184 } 185 } 186