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 static final ValueAnimatorCompat.Creator DEFAULT_ANIMATOR_CREATOR 25 = new ValueAnimatorCompat.Creator() { 26 @Override 27 public ValueAnimatorCompat createAnimator() { 28 return new ValueAnimatorCompat(Build.VERSION.SDK_INT >= 12 29 ? new ValueAnimatorCompatImplHoneycombMr1() 30 : new ValueAnimatorCompatImplEclairMr1()); 31 } 32 }; 33 34 private interface ViewUtilsImpl { 35 void setBoundsViewOutlineProvider(View view); 36 } 37 38 private static class ViewUtilsImplBase implements ViewUtilsImpl { 39 @Override 40 public void setBoundsViewOutlineProvider(View view) { 41 // no-op 42 } 43 } 44 45 private static class ViewUtilsImplLollipop implements ViewUtilsImpl { 46 @Override 47 public void setBoundsViewOutlineProvider(View view) { 48 ViewUtilsLollipop.setBoundsViewOutlineProvider(view); 49 } 50 } 51 52 private static final ViewUtilsImpl IMPL; 53 54 static { 55 final int version = Build.VERSION.SDK_INT; 56 if (version >= 21) { 57 IMPL = new ViewUtilsImplLollipop(); 58 } else { 59 IMPL = new ViewUtilsImplBase(); 60 } 61 } 62 63 static void setBoundsViewOutlineProvider(View view) { 64 IMPL.setBoundsViewOutlineProvider(view); 65 } 66 67 static ValueAnimatorCompat createAnimator() { 68 return DEFAULT_ANIMATOR_CREATOR.createAnimator(); 69 } 70 71} 72