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 */
16package android.view;
17
18import android.animation.TimeInterpolator;
19
20import com.android.internal.view.animation.FallbackLUTInterpolator;
21import com.android.internal.view.animation.NativeInterpolatorFactory;
22import 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 */
30public class RenderNodeAnimatorSetHelper {
31
32    public static RenderNode getTarget(DisplayListCanvas recordingCanvas) {
33        return recordingCanvas.mNode;
34    }
35
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