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 android.support.v4.os;
18
19import android.os.Parcel;
20import android.os.Parcelable;
21
22/**
23 * Helper for accessing features in {@link android.os.Parcelable}
24 * introduced after API level 4 in a backwards compatible fashion.
25 */
26public class ParcelableCompat {
27
28    /**
29     * Factory method for {@link Parcelable.Creator}.
30     *
31     * @param callbacks Creator callbacks implementation.
32     * @return New creator.
33     */
34    public static <T> Parcelable.Creator<T> newCreator(
35            ParcelableCompatCreatorCallbacks<T> callbacks) {
36        if (android.os.Build.VERSION.SDK_INT >= 13) {
37            ParcelableCompatCreatorHoneycombMR2Stub.instantiate(callbacks);
38        }
39        return new CompatCreator<T>(callbacks);
40    }
41
42    static class CompatCreator<T> implements Parcelable.Creator<T> {
43        final ParcelableCompatCreatorCallbacks<T> mCallbacks;
44
45        public CompatCreator(ParcelableCompatCreatorCallbacks<T> callbacks) {
46            mCallbacks = callbacks;
47        }
48
49        @Override
50        public T createFromParcel(Parcel source) {
51            return mCallbacks.createFromParcel(source, null);
52        }
53
54        @Override
55        public T[] newArray(int size) {
56            return mCallbacks.newArray(size);
57        }
58    }
59}
60