1/*
2 * Copyright (C) 2013 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.documentsui;
18
19import android.content.BroadcastReceiver;
20import android.content.ContentResolver;
21import android.content.Context;
22import android.content.Intent;
23import android.net.Uri;
24
25/**
26 * Cleans up {@link RecentsProvider} and {@link LocalPreferences} when packages are removed.
27 */
28public class PackageReceiver extends BroadcastReceiver {
29    @Override
30    public void onReceive(Context context, Intent intent) {
31        final ContentResolver resolver = context.getContentResolver();
32
33        final String action = intent.getAction();
34        final Uri data = intent.getData();
35        final String packageName = data == null ? null : data.getSchemeSpecificPart();
36
37        if (Intent.ACTION_PACKAGE_FULLY_REMOVED.equals(action)) {
38            resolver.call(RecentsProvider.buildRecent(), RecentsProvider.METHOD_PURGE, null, null);
39            if (packageName != null) {
40                LocalPreferences.clearPackagePreferences(context, packageName);
41            }
42        } else if (Intent.ACTION_PACKAGE_DATA_CLEARED.equals(action)) {
43            if (packageName != null) {
44                resolver.call(RecentsProvider.buildRecent(), RecentsProvider.METHOD_PURGE_PACKAGE,
45                        packageName, null);
46                LocalPreferences.clearPackagePreferences(context, packageName);
47            }
48        }
49    }
50}
51