SliceBroadcastRelay.java revision 0b5e52ccd8e8308c6c7a8d04265f4bcd2b84f052 
1/*
2 * Copyright (C) 2018 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
5 * except in compliance with the License. You may obtain a copy of the License at
6 *
7 *      http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software distributed under the
10 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
11 * KIND, either express or implied. See the License for the specific language governing
12 * permissions and limitations under the License.
13 */
14
15package com.android.settingslib;
16
17import android.content.BroadcastReceiver;
18import android.content.ComponentName;
19import android.content.ContentProvider;
20import android.content.Context;
21import android.content.Intent;
22import android.content.IntentFilter;
23import android.net.Uri;
24import android.os.Process;
25import android.os.UserHandle;
26
27/**
28 * Utility class that allows Settings to use SystemUI to relay broadcasts related to pinned slices.
29 */
30public class SliceBroadcastRelay {
31
32    public static final String ACTION_REGISTER
33            = "com.android.settingslib.action.REGISTER_SLICE_RECEIVER";
34    public static final String ACTION_UNREGISTER
35            = "com.android.settingslib.action.UNREGISTER_SLICE_RECEIVER";
36    public static final String SYSTEMUI_PACKAGE = "com.android.systemui";
37
38    public static final String EXTRA_URI = "uri";
39    public static final String EXTRA_RECEIVER = "receiver";
40    public static final String EXTRA_FILTER = "filter";
41
42    public static void registerReceiver(Context context, Uri registerKey,
43            Class<? extends BroadcastReceiver> receiver, IntentFilter filter) {
44        Intent registerBroadcast = new Intent(ACTION_REGISTER);
45        registerBroadcast.setPackage(SYSTEMUI_PACKAGE);
46        registerBroadcast.putExtra(EXTRA_URI, ContentProvider.maybeAddUserId(registerKey,
47                Process.myUserHandle().getIdentifier()));
48        registerBroadcast.putExtra(EXTRA_RECEIVER,
49                new ComponentName(context.getPackageName(), receiver.getName()));
50        registerBroadcast.putExtra(EXTRA_FILTER, filter);
51
52        context.sendBroadcastAsUser(registerBroadcast, UserHandle.SYSTEM);
53    }
54
55    public static void unregisterReceivers(Context context, Uri registerKey) {
56        Intent registerBroadcast = new Intent(ACTION_UNREGISTER);
57        registerBroadcast.setPackage(SYSTEMUI_PACKAGE);
58        registerBroadcast.putExtra(EXTRA_URI, ContentProvider.maybeAddUserId(registerKey,
59                Process.myUserHandle().getIdentifier()));
60
61        context.sendBroadcastAsUser(registerBroadcast, UserHandle.SYSTEM);
62    }
63}
64