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/*
* Copyright 2018 Allan Wang
*
* 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 ca.allanwang.kau.utils
import android.animation.Animator
import android.animation.AnimatorListenerAdapter
import android.annotation.SuppressLint
import android.view.View
import android.view.ViewAnimationUtils
import android.view.ViewPropertyAnimator
import android.view.animation.Animation
import android.view.animation.AnimationUtils
import android.widget.TextView
import androidx.annotation.StringRes
import kotlin.math.hypot
import kotlin.math.max
/**
* Created by Allan Wang on 2017-06-01.
*
* Animation extension functions for Views
*/
@SuppressLint("NewApi")
@KauUtils
fun View.circularReveal(
x: Int = 0,
y: Int = 0,
offset: Long = 0L,
radius: Float = -1.0f,
duration: Long = 500L,
onStart: (() -> Unit)? = null,
onFinish: (() -> Unit)? = null
) {
if (!isAttachedToWindow) {
onStart?.invoke()
visible()
onFinish?.invoke()
return
}
if (!buildIsLollipopAndUp) return fadeIn(offset, duration, onStart, onFinish)
val r = if (radius >= 0) radius
else max(hypot(x.toDouble(), y.toDouble()), hypot((width - x.toDouble()), (height - y.toDouble()))).toFloat()
val anim = ViewAnimationUtils.createCircularReveal(this, x, y, 0f, r).setDuration(duration)
anim.startDelay = offset
anim.addListener(object : AnimatorListenerAdapter() {
override fun onAnimationStart(animation: Animator?) {
visible()
onStart?.invoke()
}
override fun onAnimationEnd(animation: Animator?) = onFinish?.invoke() ?: Unit
override fun onAnimationCancel(animation: Animator?) = onFinish?.invoke() ?: Unit
})
anim.start()
}
@SuppressLint("NewApi")
@KauUtils
fun View.circularHide(
x: Int = 0,
y: Int = 0,
offset: Long = 0L,
radius: Float = -1.0f,
duration: Long = 500L,
onStart: (() -> Unit)? = null,
onFinish: (() -> Unit)? = null
) {
if (!isAttachedToWindow) {
onStart?.invoke()
invisible()
onFinish?.invoke()
return
}
if (!buildIsLollipopAndUp) return fadeOut(offset, duration, onStart, onFinish)
val r = if (radius >= 0) radius
else max(hypot(x.toDouble(), y.toDouble()), hypot((width - x.toDouble()), (height - y.toDouble()))).toFloat()
val anim = ViewAnimationUtils.createCircularReveal(this, x, y, r, 0f).setDuration(duration)
anim.startDelay = offset
anim.addListener(object : AnimatorListenerAdapter() {
override fun onAnimationStart(animation: Animator?) = onStart?.invoke() ?: Unit
override fun onAnimationEnd(animation: Animator?) {
invisible()
onFinish?.invoke() ?: Unit
}
override fun onAnimationCancel(animation: Animator?) = onFinish?.invoke() ?: Unit
})
anim.start()
}
@KauUtils
fun View.fadeIn(
offset: Long = 0L,
duration: Long = 200L,
onStart: (() -> Unit)? = null,
onFinish: (() -> Unit)? = null
) {
if (!isAttachedToWindow) {
onStart?.invoke()
visible()
onFinish?.invoke()
return
}
val anim = AnimationUtils.loadAnimation(context, android.R.anim.fade_in)
anim.startOffset = offset
anim.duration = duration
anim.setAnimationListener(object : Animation.AnimationListener {
override fun onAnimationRepeat(animation: Animation?) {}
override fun onAnimationEnd(animation: Animation?) = onFinish?.invoke() ?: Unit
override fun onAnimationStart(animation: Animation?) {
visible()
onStart?.invoke()
}
})
startAnimation(anim)
}
@KauUtils
fun View.fadeOut(
offset: Long = 0L,
duration: Long = 200L,
onStart: (() -> Unit)? = null,
onFinish: (() -> Unit)? = null
) {
if (!isAttachedToWindow) {
onStart?.invoke()
invisible()
onFinish?.invoke()
return
}
val anim = AnimationUtils.loadAnimation(context, android.R.anim.fade_out)
anim.startOffset = offset
anim.duration = duration
anim.setAnimationListener(object : Animation.AnimationListener {
override fun onAnimationRepeat(animation: Animation?) {}
override fun onAnimationEnd(animation: Animation?) {
invisible()
onFinish?.invoke()
}
override fun onAnimationStart(animation: Animation?) {
onStart?.invoke()
}
})
startAnimation(anim)
}
@KauUtils
fun TextView.setTextWithFade(text: String, duration: Long = 200, onFinish: (() -> Unit)? = null) {
fadeOut(
duration = duration,
onFinish = {
setText(text)
fadeIn(duration = duration, onFinish = onFinish)
}
)
}
@KauUtils
fun TextView.setTextWithFade(@StringRes textId: Int, duration: Long = 200, onFinish: (() -> Unit)? = null) =
setTextWithFade(context.getString(textId), duration, onFinish)
@KauUtils
fun ViewPropertyAnimator.scaleXY(value: Float) = scaleX(value).scaleY(value)
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