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@ -10,7 +10,6 @@ import android.util.AttributeSet
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import android.view.ViewPropertyAnimator
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import androidx.coordinatorlayout.widget.CoordinatorLayout
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import androidx.core.view.doOnLayout
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import androidx.core.view.doOnNextLayout
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import androidx.core.view.updateLayoutParams
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import androidx.customview.view.AbsSavedState
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import androidx.interpolator.view.animation.FastOutLinearInInterpolator
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@ -60,19 +59,15 @@ class TachiyomiBottomNavigationView @JvmOverloads constructor(
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val superState = super.onSaveInstanceState()
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return SavedState(superState).also {
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it.currentState = currentState
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it.translationY = translationY
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}
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}
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override fun onRestoreInstanceState(state: Parcelable?) {
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if (state is SavedState) {
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super.onRestoreInstanceState(state.superState)
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doOnNextLayout {
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if (state.currentState == STATE_UP) {
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slideUp(animate = false)
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} else if (state.currentState == STATE_DOWN) {
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slideDown(animate = false)
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}
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}
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super.setTranslationY(state.translationY)
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currentState = state.currentState
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} else {
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super.onRestoreInstanceState(state)
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}
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@ -86,34 +81,30 @@ class TachiyomiBottomNavigationView @JvmOverloads constructor(
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/**
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* Shows this view up.
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*
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* @param animate True if slide up should be animated
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*/
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fun slideUp(animate: Boolean = true) = post {
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fun slideUp() = post {
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currentAnimator?.cancel()
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clearAnimation()
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currentState = STATE_UP
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animateTranslation(
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0F,
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if (animate) SLIDE_UP_ANIMATION_DURATION else 0,
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SLIDE_UP_ANIMATION_DURATION,
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LinearOutSlowInInterpolator()
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)
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}
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/**
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* Hides this view down. [setTranslationY] won't work until [slideUp] is called.
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*
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* @param animate True if slide down should be animated
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*/
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fun slideDown(animate: Boolean = true) = post {
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fun slideDown() = post {
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currentAnimator?.cancel()
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clearAnimation()
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currentState = STATE_DOWN
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animateTranslation(
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height.toFloat(),
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if (animate) SLIDE_DOWN_ANIMATION_DURATION else 0,
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SLIDE_DOWN_ANIMATION_DURATION,
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FastOutLinearInInterpolator()
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)
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}
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@ -134,16 +125,19 @@ class TachiyomiBottomNavigationView @JvmOverloads constructor(
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internal class SavedState : AbsSavedState {
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var currentState = STATE_UP
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var translationY = 0F
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constructor(superState: Parcelable) : super(superState)
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constructor(source: Parcel, loader: ClassLoader?) : super(source, loader) {
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currentState = source.readByte().toInt()
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currentState = source.readInt()
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translationY = source.readFloat()
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}
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override fun writeToParcel(out: Parcel, flags: Int) {
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super.writeToParcel(out, flags)
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out.writeByte(currentState.toByte())
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out.writeInt(currentState)
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out.writeFloat(translationY)
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}
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companion object {
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