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 17 package com.android.systemui.statusbar.notification.stack; 18 19 import android.animation.Animator; 20 import android.animation.AnimatorListenerAdapter; 21 import android.util.ArrayMap; 22 import android.util.Property; 23 import android.view.View; 24 import android.view.animation.Interpolator; 25 26 import java.util.function.Consumer; 27 28 /** 29 * Properties for a View animation 30 */ 31 public class AnimationProperties { 32 public long duration; 33 public long delay; 34 private ArrayMap<Property, Interpolator> mInterpolatorMap; 35 private Consumer<Property> mAnimationCancelAction; 36 private Consumer<Property> mAnimationEndAction; 37 38 /** 39 * @return an animation filter for this animation. 40 */ getAnimationFilter()41 public AnimationFilter getAnimationFilter() { 42 return new AnimationFilter() { 43 @Override 44 public boolean shouldAnimateProperty(Property property) { 45 return true; 46 } 47 }; 48 } 49 50 /** 51 * @return a listener that will be added for a given property during its animation. 52 */ 53 public AnimatorListenerAdapter getAnimationFinishListener(Property property) { 54 if (mAnimationEndAction == null && mAnimationCancelAction == null) { 55 return null; 56 } 57 Consumer<Property> cancelAction = mAnimationCancelAction; 58 Consumer<Property> endAction = mAnimationEndAction; 59 return new AnimatorListenerAdapter() { 60 private boolean mCancelled; 61 62 @Override 63 public void onAnimationCancel(Animator animation) { 64 mCancelled = true; 65 if (cancelAction != null) { 66 cancelAction.accept(property); 67 } 68 } 69 70 @Override 71 public void onAnimationEnd(Animator animation) { 72 if (!mCancelled && endAction != null) { 73 endAction.accept(property); 74 } 75 } 76 }; 77 } 78 79 /** 80 * Add a callback for animation cancellation. 81 */ 82 public AnimationProperties setAnimationCancelAction(Consumer<Property> listener) { 83 mAnimationCancelAction = listener; 84 return this; 85 } 86 87 /** 88 * Add a callback for animation ending successfully. The callback will not be called when the 89 * animations is cancelled. 90 */ 91 public AnimationProperties setAnimationEndAction(Consumer<Property> listener) { 92 mAnimationEndAction = listener; 93 return this; 94 } 95 96 public boolean wasAdded(View view) { 97 return false; 98 } 99 100 /** 101 * Get a custom interpolator for a property instead of the normal one. 102 */ 103 public Interpolator getCustomInterpolator(View child, Property property) { 104 return mInterpolatorMap != null ? mInterpolatorMap.get(property) : null; 105 } 106 107 108 public void combineCustomInterpolators(AnimationProperties iconAnimationProperties) { 109 ArrayMap<Property, Interpolator> map = iconAnimationProperties.mInterpolatorMap; 110 if (map != null) { 111 if (mInterpolatorMap == null) { 112 mInterpolatorMap = new ArrayMap<>(); 113 } 114 mInterpolatorMap.putAll(map); 115 } 116 } 117 118 /** 119 * Set a custom interpolator to use for all views for a property. 120 */ 121 public AnimationProperties setCustomInterpolator(Property property, Interpolator interpolator) { 122 if (mInterpolatorMap == null) { 123 mInterpolatorMap = new ArrayMap<>(); 124 } 125 mInterpolatorMap.put(property, interpolator); 126 return this; 127 } 128 129 public AnimationProperties setDuration(long duration) { 130 this.duration = duration; 131 return this; 132 } 133 134 public AnimationProperties setDelay(long delay) { 135 this.delay = delay; 136 return this; 137 } 138 139 public AnimationProperties resetCustomInterpolators() { 140 mInterpolatorMap = null; 141 return this; 142 } 143 } 144