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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings.bluetooth;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.bluetooth.BluetoothDevice;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.PowerManager;
import android.util.Log;
import com.android.settings.R;
/**
* BluetoothPermissionRequest is a receiver to receive Bluetooth connection
* access request.
*/
public final class BluetoothPermissionRequest extends BroadcastReceiver {
private static final String TAG = "BluetoothPermissionRequest";
private static final boolean DEBUG = Utils.V;
public static final int NOTIFICATION_ID = android.R.drawable.stat_sys_data_bluetooth;
Context mContext;
int mRequestType;
BluetoothDevice mDevice;
String mReturnPackage = null;
String mReturnClass = null;
@Override
public void onReceive(Context context, Intent intent) {
mContext = context;
String action = intent.getAction();
if (DEBUG) Log.d(TAG, "onReceive");
if (action.equals(BluetoothDevice.ACTION_CONNECTION_ACCESS_REQUEST)) {
// convert broadcast intent into activity intent (same action string)
mDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
mRequestType = intent.getIntExtra(BluetoothDevice.EXTRA_ACCESS_REQUEST_TYPE,
BluetoothDevice.REQUEST_TYPE_PROFILE_CONNECTION);
mReturnPackage = intent.getStringExtra(BluetoothDevice.EXTRA_PACKAGE_NAME);
mReturnClass = intent.getStringExtra(BluetoothDevice.EXTRA_CLASS_NAME);
Intent connectionAccessIntent = new Intent(action);
connectionAccessIntent.setClass(context, BluetoothPermissionActivity.class);
connectionAccessIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
connectionAccessIntent.putExtra(BluetoothDevice.EXTRA_ACCESS_REQUEST_TYPE,
mRequestType);
connectionAccessIntent.putExtra(BluetoothDevice.EXTRA_DEVICE, mDevice);
connectionAccessIntent.putExtra(BluetoothDevice.EXTRA_PACKAGE_NAME, mReturnPackage);
connectionAccessIntent.putExtra(BluetoothDevice.EXTRA_CLASS_NAME, mReturnClass);
// Check if user had made decisions on accepting or rejecting the phonebook access
// request. If there is, reply the request and return, no need to start permission
// activity dialog or notification.
if (checkUserChoice()) {
return;
}
String deviceAddress = mDevice != null ? mDevice.getAddress() : null;
PowerManager powerManager =
(PowerManager) context.getSystemService(Context.POWER_SERVICE);
if (powerManager.isScreenOn() &&
LocalBluetoothPreferences.shouldShowDialogInForeground(context, deviceAddress) ) {
context.startActivity(connectionAccessIntent);
} else {
// Put up a notification that leads to the dialog
// Create an intent triggered by clicking on the
// "Clear All Notifications" button
Intent deleteIntent = new Intent(BluetoothDevice.ACTION_CONNECTION_ACCESS_REPLY);
deleteIntent.putExtra(BluetoothDevice.EXTRA_DEVICE, mDevice);
deleteIntent.putExtra(BluetoothDevice.EXTRA_CONNECTION_ACCESS_RESULT,
BluetoothDevice.CONNECTION_ACCESS_NO);
Notification notification = new Notification(
android.R.drawable.stat_sys_data_bluetooth,
context.getString(R.string.bluetooth_connection_permission_request),
System.currentTimeMillis());
String deviceName = mDevice != null ? mDevice.getAliasName() : null;
notification.setLatestEventInfo(context,
context.getString(R.string.bluetooth_connection_permission_request),
context.getString(R.string.bluetooth_connection_notif_message, deviceName),
PendingIntent.getActivity(context, 0, connectionAccessIntent, 0));
notification.flags = Notification.FLAG_AUTO_CANCEL |
Notification.FLAG_ONLY_ALERT_ONCE;
notification.defaults = Notification.DEFAULT_SOUND;
notification.deleteIntent = PendingIntent.getBroadcast(context, 0, deleteIntent, 0);
NotificationManager notificationManager =
(NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
notificationManager.notify(NOTIFICATION_ID, notification);
}
} else if (action.equals(BluetoothDevice.ACTION_CONNECTION_ACCESS_CANCEL)) {
// Remove the notification
NotificationManager manager = (NotificationManager) context
.getSystemService(Context.NOTIFICATION_SERVICE);
manager.cancel(NOTIFICATION_ID);
}
}
/**
* @return true user had made a choice, this method replies to the request according
* to user's previous decision
* false user hadnot made any choice on this device
*/
private boolean checkUserChoice() {
boolean processed = false;
// we only remember PHONEBOOK permission
if (mRequestType != BluetoothDevice.REQUEST_TYPE_PHONEBOOK_ACCESS) {
return processed;
}
LocalBluetoothManager bluetoothManager = LocalBluetoothManager.getInstance(mContext);
CachedBluetoothDeviceManager cachedDeviceManager =
bluetoothManager.getCachedDeviceManager();
CachedBluetoothDevice cachedDevice = cachedDeviceManager.findDevice(mDevice);
if (cachedDevice == null) {
cachedDevice = cachedDeviceManager.addDevice(bluetoothManager.getBluetoothAdapter(),
bluetoothManager.getProfileManager(), mDevice);
}
int phonebookPermission = cachedDevice.getPhonebookPermissionChoice();
if (phonebookPermission == CachedBluetoothDevice.PHONEBOOK_ACCESS_UNKNOWN) {
return processed;
}
String intentName = BluetoothDevice.ACTION_CONNECTION_ACCESS_REPLY;
if (phonebookPermission == CachedBluetoothDevice.PHONEBOOK_ACCESS_ALLOWED) {
sendIntentToReceiver(intentName, true, BluetoothDevice.EXTRA_ALWAYS_ALLOWED, true);
processed = true;
} else if (phonebookPermission == CachedBluetoothDevice.PHONEBOOK_ACCESS_REJECTED) {
sendIntentToReceiver(intentName, false,
null, false // dummy value, no effect since previous param is null
);
processed = true;
} else {
Log.e(TAG, "Bad phonebookPermission: " + phonebookPermission);
}
return processed;
}
private void sendIntentToReceiver(final String intentName, final boolean allowed,
final String extraName, final boolean extraValue) {
Intent intent = new Intent(intentName);
if (mReturnPackage != null && mReturnClass != null) {
intent.setClassName(mReturnPackage, mReturnClass);
}
intent.putExtra(BluetoothDevice.EXTRA_CONNECTION_ACCESS_RESULT,
allowed ? BluetoothDevice.CONNECTION_ACCESS_YES :
BluetoothDevice.CONNECTION_ACCESS_NO);
if (extraName != null) {
intent.putExtra(extraName, extraValue);
}
intent.putExtra(BluetoothDevice.EXTRA_DEVICE, mDevice);
mContext.sendBroadcast(intent, android.Manifest.permission.BLUETOOTH_ADMIN);
}
}
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