blob: 4fedb6d4f32619679bd305e4128fa1fa072f2c26 [file] [log] [blame]
/*
* Copyright (C) 2017 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.NotificationChannel;
import android.app.PendingIntent;
import android.app.Service;
import android.bluetooth.BluetoothDevice;
import android.content.IntentFilter;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.res.Resources;
import android.os.IBinder;
import android.text.TextUtils;
import android.util.Log;
import com.android.settings.R;
/**
* BluetoothPairingService shows a notification if there is a pending bond request
* which can launch the appropriate pairing dialog when tapped.
*/
public final class BluetoothPairingService extends Service {
private static final int NOTIFICATION_ID = android.R.drawable.stat_sys_data_bluetooth;
private static final String ACTION_DISMISS_PAIRING =
"com.android.settings.bluetooth.ACTION_DISMISS_PAIRING";
private static final String BLUETOOTH_NOTIFICATION_CHANNEL =
"bluetooth_notification_channel";
private static final String TAG = "BluetoothPairingService";
private BluetoothDevice mDevice;
public static Intent getPairingDialogIntent(Context context, Intent intent) {
BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
int type = intent.getIntExtra(BluetoothDevice.EXTRA_PAIRING_VARIANT,
BluetoothDevice.ERROR);
Intent pairingIntent = new Intent();
pairingIntent.setClass(context, BluetoothPairingDialog.class);
pairingIntent.putExtra(BluetoothDevice.EXTRA_DEVICE, device);
pairingIntent.putExtra(BluetoothDevice.EXTRA_PAIRING_VARIANT, type);
if (type == BluetoothDevice.PAIRING_VARIANT_PASSKEY_CONFIRMATION ||
type == BluetoothDevice.PAIRING_VARIANT_DISPLAY_PASSKEY ||
type == BluetoothDevice.PAIRING_VARIANT_DISPLAY_PIN) {
int pairingKey = intent.getIntExtra(BluetoothDevice.EXTRA_PAIRING_KEY,
BluetoothDevice.ERROR);
pairingIntent.putExtra(BluetoothDevice.EXTRA_PAIRING_KEY, pairingKey);
}
pairingIntent.setAction(BluetoothDevice.ACTION_PAIRING_REQUEST);
pairingIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
return pairingIntent;
}
private boolean mRegistered = false;
private final BroadcastReceiver mCancelReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (action.equals(BluetoothDevice.ACTION_BOND_STATE_CHANGED)) {
int bondState = intent.getIntExtra(BluetoothDevice.EXTRA_BOND_STATE,
BluetoothDevice.ERROR);
if ((bondState != BluetoothDevice.BOND_NONE) && (bondState != BluetoothDevice.BOND_BONDED)) {
return;
}
} else if (action.equals(ACTION_DISMISS_PAIRING)) {
Log.d(TAG, "Notification cancel " + mDevice.getAddress() + " (" +
mDevice.getName() + ")");
mDevice.cancelPairingUserInput();
} else {
int bondState = intent.getIntExtra(BluetoothDevice.EXTRA_BOND_STATE,
BluetoothDevice.ERROR);
Log.d(TAG, "Dismiss pairing for " + mDevice.getAddress() + " (" +
mDevice.getName() + "), BondState: " + bondState);
}
stopForeground(true);
stopSelf();
}
};
@Override
public void onCreate() {
NotificationManager mgr = (NotificationManager)this
.getSystemService(Context.NOTIFICATION_SERVICE);
NotificationChannel notificationChannel = new NotificationChannel(
BLUETOOTH_NOTIFICATION_CHANNEL,
this.getString(R.string.bluetooth),
NotificationManager.IMPORTANCE_HIGH);
mgr.createNotificationChannel(notificationChannel);
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
if (intent == null) {
Log.e(TAG, "Can't start: null intent!");
stopSelf();
return START_NOT_STICKY;
}
Resources res = getResources();
Notification.Builder builder = new Notification.Builder(this,
BLUETOOTH_NOTIFICATION_CHANNEL)
.setSmallIcon(android.R.drawable.stat_sys_data_bluetooth)
.setTicker(res.getString(R.string.bluetooth_notif_ticker))
.setLocalOnly(true);
PendingIntent pairIntent = PendingIntent.getActivity(this, 0,
getPairingDialogIntent(this, intent), PendingIntent.FLAG_ONE_SHOT);
PendingIntent dismissIntent = PendingIntent.getBroadcast(this, 0,
new Intent(ACTION_DISMISS_PAIRING), PendingIntent.FLAG_ONE_SHOT);
mDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
if (mDevice != null && mDevice.getBondState() != BluetoothDevice.BOND_BONDING) {
Log.w(TAG, "Device " + mDevice + " not bonding: " + mDevice.getBondState());
stopSelf();
return START_NOT_STICKY;
}
String name = intent.getStringExtra(BluetoothDevice.EXTRA_NAME);
if (TextUtils.isEmpty(name)) {
BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
name = device != null ? device.getAliasName() : res.getString(android.R.string.unknownName);
}
Log.d(TAG, "Show pairing notification for " + mDevice.getAddress() + " (" + name + ")");
Notification.Action pairAction = new Notification.Action.Builder(0,
res.getString(R.string.bluetooth_device_context_pair_connect), pairIntent).build();
Notification.Action dismissAction = new Notification.Action.Builder(0,
res.getString(android.R.string.cancel), dismissIntent).build();
builder.setContentTitle(res.getString(R.string.bluetooth_notif_title))
.setContentText(res.getString(R.string.bluetooth_notif_message, name))
.setContentIntent(pairIntent)
.setDefaults(Notification.DEFAULT_SOUND)
.setColor(getColor(com.android.internal.R.color.system_notification_accent_color))
.addAction(pairAction)
.addAction(dismissAction);
IntentFilter filter = new IntentFilter();
filter.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED);
filter.addAction(BluetoothDevice.ACTION_PAIRING_CANCEL);
filter.addAction(ACTION_DISMISS_PAIRING);
registerReceiver(mCancelReceiver, filter);
mRegistered = true;
startForeground(NOTIFICATION_ID, builder.getNotification());
return START_REDELIVER_INTENT;
}
@Override
public void onDestroy() {
if (mRegistered) {
unregisterReceiver(mCancelReceiver);
mRegistered = false;
}
stopForeground(true);
}
@Override
public IBinder onBind(Intent intent) {
// No binding.
return null;
}
}