Merge "Add AnimatorListener extensions for easy kotlin usage" into tm-qpr-dev... (3aee9e0a) · Commits · e / os / android_frameworks_base

packages/SystemUI/animation/src/com/android/systemui/util/AnimatorExtensions.kt

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		/*
		* Copyright (C) 2023 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.systemui.util

		import androidx.core.animation.Animator

		/**
		* Add an action which will be invoked when the animation has ended.
		*
		* @return the [Animator.AnimatorListener] added to the Animator
		* @see Animator.end
		*/
		inline fun Animator.doOnEnd(
		crossinline action: (animator: Animator) -> Unit
		): Animator.AnimatorListener = addListener(onEnd = action)

		/**
		* Add an action which will be invoked when the animation has started.
		*
		* @return the [Animator.AnimatorListener] added to the Animator
		* @see Animator.start
		*/
		inline fun Animator.doOnStart(
		crossinline action: (animator: Animator) -> Unit
		): Animator.AnimatorListener = addListener(onStart = action)

		/**
		* Add an action which will be invoked when the animation has been cancelled.
		*
		* @return the [Animator.AnimatorListener] added to the Animator
		* @see Animator.cancel
		*/
		inline fun Animator.doOnCancel(
		crossinline action: (animator: Animator) -> Unit
		): Animator.AnimatorListener = addListener(onCancel = action)

		/**
		* Add an action which will be invoked when the animation has repeated.
		*
		* @return the [Animator.AnimatorListener] added to the Animator
		*/
		inline fun Animator.doOnRepeat(
		crossinline action: (animator: Animator) -> Unit
		): Animator.AnimatorListener = addListener(onRepeat = action)

		/**
		* Add a listener to this Animator using the provided actions.
		*
		* @return the [Animator.AnimatorListener] added to the Animator
		*/
		inline fun Animator.addListener(
		crossinline onEnd: (animator: Animator) -> Unit = {},
		crossinline onStart: (animator: Animator) -> Unit = {},
		crossinline onCancel: (animator: Animator) -> Unit = {},
		crossinline onRepeat: (animator: Animator) -> Unit = {}
		): Animator.AnimatorListener {
		val listener =
		object : Animator.AnimatorListener {
		override fun onAnimationRepeat(animator: Animator) = onRepeat(animator)
		override fun onAnimationEnd(animator: Animator) = onEnd(animator)
		override fun onAnimationCancel(animator: Animator) = onCancel(animator)
		override fun onAnimationStart(animator: Animator) = onStart(animator)
		}
		addListener(listener)
		return listener
		}