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 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.content.res.Resources; 27 import android.os.PowerManager; 28 import android.text.TextUtils; 29 30 import com.android.settings.R; 31 32 /** 33 * BluetoothPairingRequest is a receiver for any Bluetooth pairing request. It 34 * checks if the Bluetooth Settings is currently visible and brings up the PIN, the passkey or a 35 * confirmation entry dialog. Otherwise it puts a Notification in the status bar, which can 36 * be clicked to bring up the Pairing entry dialog. 37 */ 38 public final class BluetoothPairingRequest extends BroadcastReceiver { 39 40 private static final int NOTIFICATION_ID = android.R.drawable.stat_sys_data_bluetooth; 41 42 @Override onReceive(Context context, Intent intent)43 public void onReceive(Context context, Intent intent) { 44 String action = intent.getAction(); 45 if (action.equals(BluetoothDevice.ACTION_PAIRING_REQUEST)) { 46 // convert broadcast intent into activity intent (same action string) 47 BluetoothDevice device = 48 intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); 49 int type = intent.getIntExtra(BluetoothDevice.EXTRA_PAIRING_VARIANT, 50 BluetoothDevice.ERROR); 51 Intent pairingIntent = new Intent(); 52 pairingIntent.setClass(context, BluetoothPairingDialog.class); 53 pairingIntent.putExtra(BluetoothDevice.EXTRA_DEVICE, device); 54 pairingIntent.putExtra(BluetoothDevice.EXTRA_PAIRING_VARIANT, type); 55 if (type == BluetoothDevice.PAIRING_VARIANT_PASSKEY_CONFIRMATION || 56 type == BluetoothDevice.PAIRING_VARIANT_DISPLAY_PASSKEY || 57 type == BluetoothDevice.PAIRING_VARIANT_DISPLAY_PIN) { 58 int pairingKey = intent.getIntExtra(BluetoothDevice.EXTRA_PAIRING_KEY, 59 BluetoothDevice.ERROR); 60 pairingIntent.putExtra(BluetoothDevice.EXTRA_PAIRING_KEY, pairingKey); 61 } 62 pairingIntent.setAction(BluetoothDevice.ACTION_PAIRING_REQUEST); 63 pairingIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 64 65 PowerManager powerManager = 66 (PowerManager)context.getSystemService(Context.POWER_SERVICE); 67 String deviceAddress = device != null ? device.getAddress() : null; 68 String deviceName = device != null ? device.getName() : null; 69 boolean shouldShowDialog= LocalBluetoothPreferences.shouldShowDialogInForeground( 70 context, deviceAddress, deviceName); 71 if (powerManager.isInteractive() && shouldShowDialog) { 72 // Since the screen is on and the BT-related activity is in the foreground, 73 // just open the dialog 74 context.startActivity(pairingIntent); 75 } else { 76 // Put up a notification that leads to the dialog 77 Resources res = context.getResources(); 78 Notification.Builder builder = new Notification.Builder(context) 79 .setSmallIcon(android.R.drawable.stat_sys_data_bluetooth) 80 .setTicker(res.getString(R.string.bluetooth_notif_ticker)); 81 82 PendingIntent pending = PendingIntent.getActivity(context, 0, 83 pairingIntent, PendingIntent.FLAG_ONE_SHOT); 84 85 String name = intent.getStringExtra(BluetoothDevice.EXTRA_NAME); 86 if (TextUtils.isEmpty(name)) { 87 name = device != null ? device.getAliasName() : 88 context.getString(android.R.string.unknownName); 89 } 90 91 builder.setContentTitle(res.getString(R.string.bluetooth_notif_title)) 92 .setContentText(res.getString(R.string.bluetooth_notif_message, name)) 93 .setContentIntent(pending) 94 .setAutoCancel(true) 95 .setDefaults(Notification.DEFAULT_SOUND) 96 .setColor(context.getColor( 97 com.android.internal.R.color.system_notification_accent_color)); 98 99 NotificationManager manager = (NotificationManager) 100 context.getSystemService(Context.NOTIFICATION_SERVICE); 101 manager.notify(NOTIFICATION_ID, builder.getNotification()); 102 } 103 104 } else if (action.equals(BluetoothDevice.ACTION_PAIRING_CANCEL)) { 105 106 // Remove the notification 107 NotificationManager manager = (NotificationManager) context 108 .getSystemService(Context.NOTIFICATION_SERVICE); 109 manager.cancel(NOTIFICATION_ID); 110 111 } else if (BluetoothDevice.ACTION_BOND_STATE_CHANGED.equals(action)) { 112 int bondState = intent.getIntExtra(BluetoothDevice.EXTRA_BOND_STATE, 113 BluetoothDevice.ERROR); 114 int oldState = intent.getIntExtra(BluetoothDevice.EXTRA_PREVIOUS_BOND_STATE, 115 BluetoothDevice.ERROR); 116 if((oldState == BluetoothDevice.BOND_BONDING) && 117 (bondState == BluetoothDevice.BOND_NONE)) { 118 // Remove the notification 119 NotificationManager manager = (NotificationManager) context 120 .getSystemService(Context.NOTIFICATION_SERVICE); 121 manager.cancel(NOTIFICATION_ID); 122 } 123 } 124 } 125 } 126