Sunny Goyal
55 lines
1.7 KiB
Java
55 lines
1.7 KiB
Java
/*
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* Copyright (C) 2006 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3;
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import android.animation.TimeInterpolator;
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import android.content.Context;
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import android.view.animation.Interpolator;
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import android.widget.Scroller;
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/**
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* Extension of {@link android.widget.Scroller} with the ability to modify the
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* Interpolator post-construction.
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*/
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public class LauncherScroller extends Scroller {
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private final InterpolatorWrapper mInterpolatorWrapper;
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public LauncherScroller(Context context) {
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this(context, new InterpolatorWrapper());
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}
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private LauncherScroller(Context context, InterpolatorWrapper interpolatorWrapper) {
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super(context, interpolatorWrapper);
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mInterpolatorWrapper = interpolatorWrapper;
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}
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public void setInterpolator(TimeInterpolator interpolator) {
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mInterpolatorWrapper.interpolator = interpolator;
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}
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private static class InterpolatorWrapper implements Interpolator {
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public TimeInterpolator interpolator;
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@Override
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public float getInterpolation(float v) {
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return interpolator == null ? v : interpolator.getInterpolation(v);
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}
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}
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}
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