/*
* 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.os.UserManager;
import android.util.Log;
import com.android.settings.R;
import com.android.settingslib.bluetooth.CachedBluetoothDevice;
import com.android.settingslib.bluetooth.CachedBluetoothDeviceManager;
import com.android.settingslib.bluetooth.LocalBluetoothManager;
/**
* 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;
private static final int NOTIFICATION_ID = android.R.drawable.stat_sys_data_bluetooth;
private static final String NOTIFICATION_TAG_PBAP = "Phonebook Access" ;
private static final String NOTIFICATION_TAG_MAP = "Message Access";
private static final String NOTIFICATION_TAG_SAP = "SIM Access";
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" + action);
if (action.equals(BluetoothDevice.ACTION_CONNECTION_ACCESS_REQUEST)) {
UserManager um = (UserManager) context.getSystemService(Context.USER_SERVICE);
// skip the notification for managed profiles.
if (com.android.settings.Utils.isManagedProfile(um)) {
if (DEBUG) Log.d(TAG, "Blocking notification for managed profile.");
return;
}
// 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);
if (DEBUG) Log.d(TAG, "onReceive request type: " + mRequestType + " return "
+ mReturnPackage + "," + mReturnClass);
// Even if the user has already made the choice, Bluetooth still may not know that if
// the user preference data have not been migrated from Settings app's shared
// preferences to Bluetooth app's. In that case, Bluetooth app broadcasts an
// ACTION_CONNECTION_ACCESS_REQUEST intent to ask to Settings app.
//
// If that happens, 'checkUserChoice()' here will do migration because it finds or
// creates a 'CachedBluetoothDevice' object for the device.
//
// After migration is done, 'checkUserChoice()' replies to the request by sending an
// ACTION_CONNECTION_ACCESS_REPLY intent. And we don't need to start permission activity
// dialog or notification.
if (checkUserChoice()) {
return;
}
Intent connectionAccessIntent = new Intent(action);
connectionAccessIntent.setClass(context, BluetoothPermissionActivity.class);
// We use the FLAG_ACTIVITY_MULTIPLE_TASK since we can have multiple concurrent access
// requests.
connectionAccessIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
| Intent.FLAG_ACTIVITY_MULTIPLE_TASK);
// This is needed to create two pending intents to the same activity. The value is not
// used in the activity.
connectionAccessIntent.setType(Integer.toString(mRequestType));
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);
String deviceAddress = mDevice != null ? mDevice.getAddress() : null;
String deviceName = mDevice != null ? mDevice.getName() : null;
String title = null;
String message = null;
PowerManager powerManager =
(PowerManager) context.getSystemService(Context.POWER_SERVICE);
if (powerManager.isScreenOn()
&& LocalBluetoothPreferences.shouldShowDialogInForeground(
context, deviceAddress, deviceName)) {
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);
deleteIntent.putExtra(BluetoothDevice.EXTRA_ACCESS_REQUEST_TYPE, mRequestType);
String deviceAlias = mDevice != null ? mDevice.getAliasName() : null;
switch (mRequestType) {
case BluetoothDevice.REQUEST_TYPE_PHONEBOOK_ACCESS:
title = context.getString(R.string.bluetooth_phonebook_request);
message = context.getString(R.string.bluetooth_pb_acceptance_dialog_text,
deviceAlias, deviceAlias);
break;
case BluetoothDevice.REQUEST_TYPE_MESSAGE_ACCESS:
title = context.getString(R.string.bluetooth_map_request);
message = context.getString(R.string.bluetooth_map_acceptance_dialog_text,
deviceAlias, deviceAlias);
break;
case BluetoothDevice.REQUEST_TYPE_SIM_ACCESS:
title = context.getString(R.string.bluetooth_sap_request);
message = context.getString(R.string.bluetooth_sap_acceptance_dialog_text,
deviceAlias, deviceAlias);
break;
default:
title = context.getString(R.string.bluetooth_connection_permission_request);
message = context.getString(R.string.bluetooth_connection_dialog_text,
deviceAlias, deviceAlias);
break;
}
Notification notification = new Notification.Builder(context)
.setContentTitle(title)
.setTicker(message)
.setContentText(message)
.setSmallIcon(android.R.drawable.stat_sys_data_bluetooth)
.setAutoCancel(true)
.setPriority(Notification.PRIORITY_MAX)
.setOnlyAlertOnce(false)
.setDefaults(Notification.DEFAULT_ALL)
.setContentIntent(PendingIntent.getActivity(context, 0,
connectionAccessIntent, 0))
.setDeleteIntent(PendingIntent.getBroadcast(context, 0, deleteIntent, 0))
.setColor(context.getColor(
com.android.internal.R.color.system_notification_accent_color))
.build();
notification.flags |= Notification.FLAG_NO_CLEAR; // Cannot be set with the builder.
NotificationManager notificationManager =
(NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
notificationManager.notify(getNotificationTag(mRequestType), NOTIFICATION_ID,
notification);
}
} else if (action.equals(BluetoothDevice.ACTION_CONNECTION_ACCESS_CANCEL)) {
// Remove the notification
NotificationManager manager = (NotificationManager) context
.getSystemService(Context.NOTIFICATION_SERVICE);
mRequestType = intent.getIntExtra(BluetoothDevice.EXTRA_ACCESS_REQUEST_TYPE,
BluetoothDevice.REQUEST_TYPE_PHONEBOOK_ACCESS);
manager.cancel(getNotificationTag(mRequestType), NOTIFICATION_ID);
}
}
private String getNotificationTag(int requestType) {
if(requestType == BluetoothDevice.REQUEST_TYPE_PHONEBOOK_ACCESS) {
return NOTIFICATION_TAG_PBAP;
} else if(mRequestType == BluetoothDevice.REQUEST_TYPE_MESSAGE_ACCESS) {
return NOTIFICATION_TAG_MAP;
} else if(mRequestType == BluetoothDevice.REQUEST_TYPE_SIM_ACCESS) {
return NOTIFICATION_TAG_SAP;
}
return null;
}
/**
* @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;
// ignore if it is something else than phonebook/message settings it wants us to remember
if (mRequestType != BluetoothDevice.REQUEST_TYPE_PHONEBOOK_ACCESS
&& mRequestType != BluetoothDevice.REQUEST_TYPE_MESSAGE_ACCESS
&& mRequestType != BluetoothDevice.REQUEST_TYPE_SIM_ACCESS) {
if (DEBUG) Log.d(TAG, "checkUserChoice(): Unknown RequestType " + mRequestType);
return processed;
}
LocalBluetoothManager bluetoothManager = Utils.getLocalBtManager(mContext);
CachedBluetoothDeviceManager cachedDeviceManager =
bluetoothManager.getCachedDeviceManager();
CachedBluetoothDevice cachedDevice = cachedDeviceManager.findDevice(mDevice);
if (cachedDevice == null) {
cachedDevice = cachedDeviceManager.addDevice(bluetoothManager.getBluetoothAdapter(),
bluetoothManager.getProfileManager(), mDevice);
}
String intentName = BluetoothDevice.ACTION_CONNECTION_ACCESS_REPLY;
if (mRequestType == BluetoothDevice.REQUEST_TYPE_PHONEBOOK_ACCESS) {
int phonebookPermission = cachedDevice.getPhonebookPermissionChoice();
if (phonebookPermission == CachedBluetoothDevice.ACCESS_UNKNOWN) {
// Leave 'processed' as false.
} else if (phonebookPermission == CachedBluetoothDevice.ACCESS_ALLOWED) {
sendReplyIntentToReceiver(true);
processed = true;
} else if (phonebookPermission == CachedBluetoothDevice.ACCESS_REJECTED) {
sendReplyIntentToReceiver(false);
processed = true;
} else {
Log.e(TAG, "Bad phonebookPermission: " + phonebookPermission);
}
} else if (mRequestType == BluetoothDevice.REQUEST_TYPE_MESSAGE_ACCESS) {
int messagePermission = cachedDevice.getMessagePermissionChoice();
if (messagePermission == CachedBluetoothDevice.ACCESS_UNKNOWN) {
// Leave 'processed' as false.
} else if (messagePermission == CachedBluetoothDevice.ACCESS_ALLOWED) {
sendReplyIntentToReceiver(true);
processed = true;
} else if (messagePermission == CachedBluetoothDevice.ACCESS_REJECTED) {
sendReplyIntentToReceiver(false);
processed = true;
} else {
Log.e(TAG, "Bad messagePermission: " + messagePermission);
}
} else if(mRequestType == BluetoothDevice.REQUEST_TYPE_SIM_ACCESS) {
int simPermission = cachedDevice.getSimPermissionChoice();
if (simPermission == CachedBluetoothDevice.ACCESS_UNKNOWN) {
// Leave 'processed' as false.
} else if (simPermission == CachedBluetoothDevice.ACCESS_ALLOWED) {
sendReplyIntentToReceiver(true);
processed = true;
} else if (simPermission == CachedBluetoothDevice.ACCESS_REJECTED) {
sendReplyIntentToReceiver(false);
processed = true;
} else {
Log.e(TAG, "Bad simPermission: " + simPermission);
}
}
if (DEBUG) Log.d(TAG,"checkUserChoice(): returning " + processed);
return processed;
}
private void sendReplyIntentToReceiver(final boolean allowed) {
Intent intent = new Intent(BluetoothDevice.ACTION_CONNECTION_ACCESS_REPLY);
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);
intent.putExtra(BluetoothDevice.EXTRA_DEVICE, mDevice);
intent.putExtra(BluetoothDevice.EXTRA_ACCESS_REQUEST_TYPE, mRequestType);
mContext.sendBroadcast(intent, android.Manifest.permission.BLUETOOTH_ADMIN);
}
}