MrSluffy
118 lines
4.3 KiB
Java
118 lines
4.3 KiB
Java
/*
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* Copyright (C) 2020 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.wm.shell.animation;
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import android.graphics.Path;
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import android.view.animation.BackGestureInterpolator;
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import android.view.animation.Interpolator;
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import android.view.animation.LinearInterpolator;
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import android.view.animation.PathInterpolator;
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/**
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* Common interpolators used in wm shell library.
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*/
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public class Interpolators {
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public static final Interpolator LINEAR = new LinearInterpolator();
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/**
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* Interpolator for alpha in animation.
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*/
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public static final Interpolator ALPHA_IN = new PathInterpolator(0.4f, 0f, 1f, 1f);
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/**
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* Interpolator for alpha out animation.
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*/
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public static final Interpolator ALPHA_OUT = new PathInterpolator(0f, 0f, 0.8f, 1f);
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/**
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* Interpolator for fast out linear in animation.
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*/
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public static final Interpolator FAST_OUT_LINEAR_IN = new PathInterpolator(0.4f, 0f, 1f, 1f);
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/**
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* Interpolator for fast out slow in animation.
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*/
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public static final Interpolator FAST_OUT_SLOW_IN = new PathInterpolator(0.4f, 0f, 0.2f, 1f);
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/**
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* Interpolator for linear out slow in animation.
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*/
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public static final Interpolator LINEAR_OUT_SLOW_IN = new PathInterpolator(0f, 0f, 0.2f, 1f);
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/**
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* The default emphasized interpolator. Used for hero / emphasized movement of content.
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*/
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public static final Interpolator EMPHASIZED = createEmphasizedInterpolator();
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/**
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* The accelerated emphasized interpolator. Used for hero / emphasized movement of content that
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* is disappearing e.g. when moving off screen.
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*/
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public static final Interpolator EMPHASIZED_ACCELERATE = new PathInterpolator(
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0.3f, 0f, 0.8f, 0.15f);
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/**
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* The decelerating emphasized interpolator. Used for hero / emphasized movement of content that
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* is appearing e.g. when coming from off screen
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*/
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public static final Interpolator EMPHASIZED_DECELERATE = new PathInterpolator(
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0.05f, 0.7f, 0.1f, 1f);
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/**
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* The standard decelerating interpolator that should be used on every regular movement of
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* content that is appearing e.g. when coming from off screen.
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*/
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public static final Interpolator STANDARD_DECELERATE = new PathInterpolator(0f, 0f, 0f, 1f);
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/**
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* Interpolator to be used when animating a move based on a click. Pair with enough duration.
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*/
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public static final Interpolator TOUCH_RESPONSE = new PathInterpolator(0.3f, 0f, 0.1f, 1f);
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/**
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* Interpolator to be used when animating a panel closing.
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*/
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public static final Interpolator PANEL_CLOSE_ACCELERATED =
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new PathInterpolator(0.3f, 0, 0.5f, 1);
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public static final PathInterpolator SLOWDOWN_INTERPOLATOR =
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new PathInterpolator(0.5f, 1f, 0.5f, 1f);
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public static final PathInterpolator DIM_INTERPOLATOR =
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new PathInterpolator(.23f, .87f, .52f, -0.11f);
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/**
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* Use this interpolator for animating progress values coming from the back callback to get
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* the predictive-back-typical decelerate motion.
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*
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* This interpolator is similar to {@link Interpolators#STANDARD_DECELERATE} but has a slight
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* acceleration phase at the start.
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*/
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public static final Interpolator BACK_GESTURE = new BackGestureInterpolator();
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// Create the default emphasized interpolator
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private static PathInterpolator createEmphasizedInterpolator() {
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Path path = new Path();
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// Doing the same as fast_out_extra_slow_in
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path.moveTo(0f, 0f);
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path.cubicTo(0.05f, 0f, 0.133333f, 0.06f, 0.166666f, 0.4f);
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path.cubicTo(0.208333f, 0.82f, 0.25f, 1f, 1f, 1f);
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return new PathInterpolator(path);
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}
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}
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