Remove bottom nav behavior and add bottom padding to root controller contents

This commit is contained in:
arkon
2022-07-22 22:44:05 -04:00
parent 2b8d1bcc02
commit 4bf4b167a5
14 changed files with 22 additions and 154 deletions

View File

@@ -1,106 +0,0 @@
package eu.kanade.tachiyomi.widget
import android.animation.ValueAnimator
import android.content.Context
import android.util.AttributeSet
import android.view.View
import android.view.ViewGroup
import android.view.animation.DecelerateInterpolator
import androidx.appcompat.widget.Toolbar
import androidx.coordinatorlayout.widget.CoordinatorLayout
import androidx.core.view.ViewCompat
import com.google.android.material.appbar.AppBarLayout
import com.google.android.material.bottomnavigation.BottomNavigationView
import eu.kanade.tachiyomi.util.system.animatorDurationScale
import eu.kanade.tachiyomi.util.view.findChild
import kotlin.math.roundToLong
/**
* Hide behavior similar to app bar for [BottomNavigationView]
*/
class HideBottomNavigationOnScrollBehavior @JvmOverloads constructor(
context: Context? = null,
attrs: AttributeSet? = null,
) : CoordinatorLayout.Behavior<BottomNavigationView>(context, attrs) {
@ViewCompat.NestedScrollType
private var lastStartedType: Int = 0
private var offsetAnimator: ValueAnimator? = null
private var dyRatio = 1F
override fun layoutDependsOn(parent: CoordinatorLayout, child: BottomNavigationView, dependency: View): Boolean {
return dependency is AppBarLayout
}
override fun onDependentViewChanged(
parent: CoordinatorLayout,
child: BottomNavigationView,
dependency: View,
): Boolean {
val toolbarSize = (dependency as ViewGroup).findChild<Toolbar>()?.height ?: 0
dyRatio = if (toolbarSize > 0) {
child.height.toFloat() / toolbarSize
} else {
1F
}
return false
}
override fun onStartNestedScroll(
coordinatorLayout: CoordinatorLayout,
child: BottomNavigationView,
directTargetChild: View,
target: View,
axes: Int,
type: Int,
): Boolean {
if (axes != ViewCompat.SCROLL_AXIS_VERTICAL) {
return false
}
lastStartedType = type
offsetAnimator?.cancel()
return true
}
override fun onNestedPreScroll(
coordinatorLayout: CoordinatorLayout,
child: BottomNavigationView,
target: View,
dx: Int,
dy: Int,
consumed: IntArray,
type: Int,
) {
super.onNestedPreScroll(coordinatorLayout, child, target, dx, dy, consumed, type)
child.translationY = (child.translationY + (dy * dyRatio)).coerceIn(0F, child.height.toFloat())
}
override fun onStopNestedScroll(
coordinatorLayout: CoordinatorLayout,
child: BottomNavigationView,
target: View,
type: Int,
) {
if (lastStartedType == ViewCompat.TYPE_TOUCH || type == ViewCompat.TYPE_NON_TOUCH) {
animateBottomNavigationVisibility(child, child.translationY < child.height / 2)
}
}
private fun animateBottomNavigationVisibility(child: BottomNavigationView, isVisible: Boolean) {
offsetAnimator?.cancel()
offsetAnimator = ValueAnimator().apply {
interpolator = DecelerateInterpolator()
duration = (150 * child.context.animatorDurationScale).roundToLong()
addUpdateListener {
child.translationY = it.animatedValue as Float
}
}
offsetAnimator?.setFloatValues(
child.translationY,
if (isVisible) 0F else child.height.toFloat(),
)
offsetAnimator?.start()
}
}