1 /*
2  * Copyright (C) 2016 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 package android.view;
17 
18 import android.animation.TimeInterpolator;
19 
20 import com.android.internal.view.animation.FallbackLUTInterpolator;
21 import com.android.internal.view.animation.NativeInterpolatorFactory;
22 import com.android.internal.view.animation.NativeInterpolatorFactoryHelper;
23 
24 /**
25  * This is a helper class to get access to methods and fields needed for RenderNodeAnimatorSet
26  * that are internal or package private to android.view package.
27  *
28  * @hide
29  */
30 public class RenderNodeAnimatorSetHelper {
31 
getTarget(DisplayListCanvas recordingCanvas)32     public static RenderNode getTarget(DisplayListCanvas recordingCanvas) {
33         return recordingCanvas.mNode;
34     }
35 
createNativeInterpolator(TimeInterpolator interpolator, long duration)36     public static long createNativeInterpolator(TimeInterpolator interpolator, long
37             duration) {
38         if (interpolator == null) {
39             // create LinearInterpolator
40             return NativeInterpolatorFactoryHelper.createLinearInterpolator();
41         } else if (RenderNodeAnimator.isNativeInterpolator(interpolator)) {
42             return ((NativeInterpolatorFactory)interpolator).createNativeInterpolator();
43         } else {
44             return FallbackLUTInterpolator.createNativeInterpolator(interpolator, duration);
45         }
46     }
47 
48 }
49