1/*
2 * Copyright (C) 2011 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
17package com.android.settings.bluetooth;
18
19import android.bluetooth.BluetoothAdapter;
20import android.content.BroadcastReceiver;
21import android.content.Context;
22import android.content.Intent;
23import android.util.Log;
24
25/**
26 * BluetoothDiscoveryReceiver updates a timestamp when the
27 * Bluetooth adapter starts or finishes discovery mode. This
28 * is used to decide whether to open an alert dialog or
29 * create a notification when we receive a pairing request.
30 *
31 * <p>Note that the discovery start/finish intents are also handled
32 * by {@link BluetoothEventManager} to update the UI, if visible.
33 */
34public final class BluetoothDiscoveryReceiver extends BroadcastReceiver {
35    private static final String TAG = "BluetoothDiscoveryReceiver";
36
37    @Override
38    public void onReceive(Context context, Intent intent) {
39        String action = intent.getAction();
40        Log.v(TAG, "Received: " + action);
41
42        if (action.equals(BluetoothAdapter.ACTION_DISCOVERY_STARTED) ||
43                action.equals(BluetoothAdapter.ACTION_DISCOVERY_FINISHED)) {
44            LocalBluetoothPreferences.persistDiscoveringTimestamp(context);
45        }
46    }
47}
48