src/com/android/settings/bluetooth/BluetoothPairingRequest.java

/*
 * Copyright (C) 2008 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.bluetooth.BluetoothDevice;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.PowerManager;
import android.os.UserHandle;

/**
 * BluetoothPairingRequest is a receiver for any Bluetooth pairing request. It
 * checks if the Bluetooth Settings is currently visible and brings up the PIN, the passkey or a
 * confirmation entry dialog. Otherwise it starts the BluetoothPairingService which
 * starts a notification in the status bar that can be clicked to bring up the same dialog.
 */
public final class BluetoothPairingRequest extends BroadcastReceiver {

  @Override
  public void onReceive(Context context, Intent intent) {
    String action = intent.getAction();
    if (action == null || !action.equals(BluetoothDevice.ACTION_PAIRING_REQUEST)) {
      return;
    }
    PowerManager powerManager = context.getSystemService(PowerManager.class);
    BluetoothDevice device =
        intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
    int pairingVariant = intent.getIntExtra(BluetoothDevice.EXTRA_PAIRING_VARIANT,
        BluetoothDevice.ERROR);
    String deviceAddress = device != null ? device.getAddress() : null;
    String deviceName = device != null ? device.getName() : null;
    boolean shouldShowDialog = LocalBluetoothPreferences.shouldShowDialogInForeground(
        context, deviceAddress, deviceName);

    // Skips consent pairing dialog if the device was recently associated with CDM
    if (pairingVariant == BluetoothDevice.PAIRING_VARIANT_CONSENT
        && device.canBondWithoutDialog()) {
      device.setPairingConfirmation(true);
    } else if (powerManager.isInteractive() && shouldShowDialog) {
      // Since the screen is on and the BT-related activity is in the foreground,
      // just open the dialog
      // convert broadcast intent into activity intent (same action string)
      Intent pairingIntent = BluetoothPairingService.getPairingDialogIntent(context, intent,
          BluetoothDevice.EXTRA_PAIRING_INITIATOR_FOREGROUND);

      context.startActivityAsUser(pairingIntent, UserHandle.CURRENT);
    } else {
      // Put up a notification that leads to the dialog
      intent.setClass(context, BluetoothPairingService.class);
      context.startServiceAsUser(intent, UserHandle.CURRENT);
    }
  }
}