xref: /packages/services/Car/car-support-lib/src/android/support/car/ui/ReversibleInterpolator.java

/*
 * Copyright (C) 2015 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package android.support.car.ui;


import android.animation.TimeInterpolator;
import android.support.annotation.NonNull;

/**
 * Interpolator that can provide custom interpolations for forward and reverse animations
 */
public class ReversibleInterpolator {

    private final TimeInterpolator mForwardInterpolator;
    private final TimeInterpolator mReverseInterpolator;

    public ReversibleInterpolator(@NonNull TimeInterpolator forwardInterpolator,
            @NonNull TimeInterpolator reverseInterpolator) {
        mForwardInterpolator = forwardInterpolator;
        mReverseInterpolator = reverseInterpolator;
    }

    public float getForwardInterpolation(float input) {
        return mForwardInterpolator.getInterpolation(input);
    }

    public float getReverseInterpolation(float input) {
        return mReverseInterpolator.getInterpolation(input);
    }
}