1/**
2 * Copyright (c) 2017, 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 */
16package android.content.pm;
17
18import android.annotation.NonNull;
19import android.annotation.Nullable;
20import android.annotation.TestApi;
21import android.content.Intent;
22import android.os.Parcel;
23import android.os.Parcelable;
24
25import java.util.List;
26
27/**
28 * Packages that have been changed since the last time they
29 * were requested.
30 * @see PackageManager#getChangedPackages(int)
31 */
32public final class ChangedPackages implements Parcelable {
33    /** The last known sequence number for these changes */
34    private final int mSequenceNumber;
35    /** The names of the packages that have changed */
36    private final List<String> mPackageNames;
37
38    public ChangedPackages(int sequenceNumber, @NonNull List<String> packageNames) {
39        this.mSequenceNumber = sequenceNumber;
40        this.mPackageNames = packageNames;
41    }
42
43    /** @hide */
44    protected ChangedPackages(Parcel in) {
45        mSequenceNumber = in.readInt();
46        mPackageNames = in.createStringArrayList();
47    }
48
49    @Override
50    public int describeContents() {
51        return 0;
52    }
53
54    @Override
55    public void writeToParcel(Parcel dest, int flags) {
56        dest.writeInt(mSequenceNumber);
57        dest.writeStringList(mPackageNames);
58    }
59
60    /**
61     * Returns the last known sequence number for these changes.
62     */
63    public int getSequenceNumber() {
64        return mSequenceNumber;
65    }
66
67    /**
68     * Returns the names of the packages that have changed.
69     */
70    public @NonNull List<String> getPackageNames() {
71        return mPackageNames;
72    }
73
74    public static final Parcelable.Creator<ChangedPackages> CREATOR =
75            new Parcelable.Creator<ChangedPackages>() {
76        public ChangedPackages createFromParcel(Parcel in) {
77            return new ChangedPackages(in);
78        }
79
80        public ChangedPackages[] newArray(int size) {
81            return new ChangedPackages[size];
82        }
83    };
84}
85