1 /* 2 * Copyright (C) 2024 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.app.animation 18 19 import android.animation.Animator 20 import android.view.View 21 22 /** A static class for general animation-related utilities. */ 23 class Animations { 24 companion object { 25 /** Stores a [view]'s ongoing [animation] so it can be cancelled if needed. */ 26 @JvmStatic setOngoingAnimationnull27 fun setOngoingAnimation(view: View, animation: Animator?) { 28 cancelOngoingAnimation(view) 29 view.setTag(R.id.ongoing_animation, animation) 30 } 31 32 /** 33 * Cancels the ongoing animation affecting a [view], if any was previously stored using 34 * [setOngoingAnimation]. 35 */ 36 @JvmStatic cancelOngoingAnimationnull37 fun cancelOngoingAnimation(view: View) { 38 (view.getTag(R.id.ongoing_animation) as? Animator)?.cancel() 39 view.setTag(R.id.ongoing_animation, null) 40 } 41 } 42 } 43