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
17package com.android.systemui;
18
19import android.view.animation.AccelerateDecelerateInterpolator;
20import android.view.animation.AccelerateInterpolator;
21import android.view.animation.DecelerateInterpolator;
22import android.view.animation.Interpolator;
23import android.view.animation.LinearInterpolator;
24import android.view.animation.PathInterpolator;
25
26/**
27 * Utility class to receive interpolators from
28 */
29public class Interpolators {
30    public static final Interpolator FAST_OUT_SLOW_IN = new PathInterpolator(0.4f, 0f, 0.2f, 1f);
31    public static final Interpolator FAST_OUT_LINEAR_IN = new PathInterpolator(0.4f, 0f, 1f, 1f);
32    public static final Interpolator LINEAR_OUT_SLOW_IN = new PathInterpolator(0f, 0f, 0.2f, 1f);
33    public static final Interpolator ALPHA_IN = new PathInterpolator(0.4f, 0f, 1f, 1f);
34    public static final Interpolator ALPHA_OUT = new PathInterpolator(0f, 0f, 0.8f, 1f);
35    public static final Interpolator LINEAR = new LinearInterpolator();
36    public static final Interpolator ACCELERATE = new AccelerateInterpolator();
37    public static final Interpolator ACCELERATE_DECELERATE = new AccelerateDecelerateInterpolator();
38    public static final Interpolator DECELERATE_QUINT = new DecelerateInterpolator(2.5f);
39
40    /**
41     * Interpolator to be used when animating a move based on a click. Pair with enough duration.
42     */
43    public static final Interpolator TOUCH_RESPONSE =
44            new PathInterpolator(0.3f, 0f, 0.1f, 1f);
45}
46