ViewUtils.java revision 50dfc33a565c4aefe6d5e844c93aa24a74cb80b3 
1/*
2 * Copyright (C) 2015 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.design.widget;
18
19import android.os.Build;
20import android.view.View;
21
22class ViewUtils {
23
24    private interface ViewUtilsImpl {
25        void setBoundsViewOutlineProvider(View view);
26    }
27
28    private static class ViewUtilsImplBase implements ViewUtilsImpl {
29        @Override
30        public void setBoundsViewOutlineProvider(View view) {
31            // no-op
32        }
33    }
34
35    private static class ViewUtilsImplLollipop implements ViewUtilsImpl {
36        @Override
37        public void setBoundsViewOutlineProvider(View view) {
38            ViewUtilsLollipop.setBoundsViewOutlineProvider(view);
39        }
40    }
41
42    private static final ViewUtilsImpl IMPL;
43
44    static {
45        final int version = Build.VERSION.SDK_INT;
46        if (version >= 21) {
47            IMPL = new ViewUtilsImplLollipop();
48        } else {
49            IMPL = new ViewUtilsImplBase();
50        }
51    }
52
53    static void setBoundsViewOutlineProvider(View view) {
54        IMPL.setBoundsViewOutlineProvider(view);
55    }
56
57}
58