John Andrew Camu
81 lines
2.8 KiB
Kotlin
81 lines
2.8 KiB
Kotlin
/*
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* Copyright (C) 2023 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.systemui.util
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import androidx.core.animation.Animator
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/**
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* Add an action which will be invoked when the animation has ended.
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*
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* @return the [Animator.AnimatorListener] added to the Animator
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* @see Animator.end
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*/
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inline fun Animator.doOnEnd(
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crossinline action: (animator: Animator) -> Unit
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): Animator.AnimatorListener = addListener(onEnd = action)
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/**
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* Add an action which will be invoked when the animation has started.
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*
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* @return the [Animator.AnimatorListener] added to the Animator
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* @see Animator.start
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*/
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inline fun Animator.doOnStart(
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crossinline action: (animator: Animator) -> Unit
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): Animator.AnimatorListener = addListener(onStart = action)
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/**
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* Add an action which will be invoked when the animation has been cancelled.
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*
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* @return the [Animator.AnimatorListener] added to the Animator
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* @see Animator.cancel
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*/
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inline fun Animator.doOnCancel(
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crossinline action: (animator: Animator) -> Unit
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): Animator.AnimatorListener = addListener(onCancel = action)
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/**
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* Add an action which will be invoked when the animation has repeated.
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*
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* @return the [Animator.AnimatorListener] added to the Animator
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*/
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inline fun Animator.doOnRepeat(
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crossinline action: (animator: Animator) -> Unit
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): Animator.AnimatorListener = addListener(onRepeat = action)
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/**
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* Add a listener to this Animator using the provided actions.
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*
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* @return the [Animator.AnimatorListener] added to the Animator
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*/
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inline fun Animator.addListener(
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crossinline onEnd: (animator: Animator) -> Unit = {},
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crossinline onStart: (animator: Animator) -> Unit = {},
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crossinline onCancel: (animator: Animator) -> Unit = {},
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crossinline onRepeat: (animator: Animator) -> Unit = {}
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): Animator.AnimatorListener {
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val listener =
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object : Animator.AnimatorListener {
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override fun onAnimationRepeat(animator: Animator) = onRepeat(animator)
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override fun onAnimationEnd(animator: Animator) = onEnd(animator)
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override fun onAnimationCancel(animator: Animator) = onCancel(animator)
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override fun onAnimationStart(animator: Animator) = onStart(animator)
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}
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addListener(listener)
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return listener
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}
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