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@ -6,13 +6,16 @@ import android.animation.AnimatorSet
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import android.animation.ValueAnimator
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import android.annotation.SuppressLint
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import android.content.Context
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import android.graphics.Canvas
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import android.graphics.drawable.Drawable
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import android.util.AttributeSet
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import android.view.animation.LinearInterpolator
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import android.widget.TextView
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import androidx.annotation.FloatRange
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import androidx.lifecycle.coroutineScope
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import androidx.lifecycle.findViewTreeLifecycleOwner
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import com.google.android.material.animation.AnimationUtils
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import com.google.android.material.shape.MaterialShapeDrawable
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import dev.chrisbanes.insetter.applyInsetter
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import eu.kanade.tachiyomi.R
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import eu.kanade.tachiyomi.util.view.findChild
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import kotlinx.coroutines.flow.launchIn
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@ -50,28 +53,7 @@ class TachiyomiAppBarLayout @JvmOverloads constructor(
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private var animatorSet: AnimatorSet? = null
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private var statusBarForegroundAnimator: ValueAnimator? = null
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private val offsetListener = OnOffsetChangedListener { appBarLayout, verticalOffset ->
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// Show status bar foreground when offset
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val foreground = (appBarLayout?.statusBarForeground as? MaterialShapeDrawable) ?: return@OnOffsetChangedListener
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val start = foreground.alpha
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val end = if (verticalOffset != 0) 255 else 0
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statusBarForegroundAnimator?.cancel()
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if (animatorSet?.isRunning == true) {
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foreground.alpha = end
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return@OnOffsetChangedListener
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}
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if (start != end) {
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statusBarForegroundAnimator = ValueAnimator.ofInt(start, end).apply {
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duration = resources.getInteger(R.integer.app_bar_elevation_anim_duration).toLong()
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interpolator = AnimationUtils.LINEAR_INTERPOLATOR
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addUpdateListener {
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foreground.alpha = it.animatedValue as Int
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}
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start()
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}
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}
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}
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private var currentOffset = 0
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var isTransparentWhenNotLifted = false
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set(value) {
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@ -100,9 +82,47 @@ class TachiyomiAppBarLayout @JvmOverloads constructor(
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override fun setLiftedState(lifted: Boolean, force: Boolean): Boolean = false
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override fun draw(canvas: Canvas) {
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super.draw(canvas)
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val saveCount = canvas.save()
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canvas.translate(0f, -currentOffset.toFloat())
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statusBarForeground?.draw(canvas)
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canvas.restoreToCount(saveCount)
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}
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override fun onLayout(changed: Boolean, l: Int, t: Int, r: Int, b: Int) {
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super.onLayout(changed, l, t, r, b)
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statusBarForeground?.setBounds(0, 0, width, paddingTop)
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}
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override fun onOffsetChanged(offset: Int) {
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currentOffset = offset
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super.onOffsetChanged(offset)
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// Show status bar foreground when offset
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val foreground = (statusBarForeground as? MaterialShapeDrawable) ?: return
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val start = foreground.alpha
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val end = if (offset != 0) 255 else 0
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statusBarForegroundAnimator?.cancel()
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if (animatorSet?.isRunning == true) {
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foreground.alpha = end
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return
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}
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if (start != end) {
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statusBarForegroundAnimator = ValueAnimator.ofInt(start, end).apply {
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duration = resources.getInteger(R.integer.app_bar_elevation_anim_duration).toLong()
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interpolator = LINEAR_INTERPOLATOR
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addUpdateListener {
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foreground.alpha = it.animatedValue as Int
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}
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start()
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}
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}
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}
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override fun onAttachedToWindow() {
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super.onAttachedToWindow()
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addOnOffsetChangedListener(offsetListener)
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toolbar.background.alpha = 0 // Use app bar background
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titleTextView = toolbar.findChild<TextView>()
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@ -126,9 +146,9 @@ class TachiyomiAppBarLayout @JvmOverloads constructor(
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}
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}
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override fun onDetachedFromWindow() {
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super.onDetachedFromWindow()
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removeOnOffsetChangedListener(offsetListener)
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override fun setStatusBarForeground(drawable: Drawable?) {
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super.setStatusBarForeground(drawable)
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setWillNotDraw(statusBarForeground == null)
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}
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@SuppressLint("Recycle")
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@ -168,7 +188,7 @@ class TachiyomiAppBarLayout @JvmOverloads constructor(
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animatorSet?.cancel()
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animatorSet = AnimatorSet().apply {
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duration = resources.getInteger(R.integer.app_bar_elevation_anim_duration).toLong()
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interpolator = AnimationUtils.LINEAR_INTERPOLATOR
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interpolator = LINEAR_INTERPOLATOR
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playTogether(*animators.toTypedArray())
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start()
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}
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@ -177,5 +197,17 @@ class TachiyomiAppBarLayout @JvmOverloads constructor(
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init {
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statusBarForeground = MaterialShapeDrawable.createWithElevationOverlay(context)
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applyInsetter {
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type(navigationBars = true) {
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margin(horizontal = true)
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}
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type(statusBars = true) {
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padding(top = true)
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}
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}
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}
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companion object {
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private val LINEAR_INTERPOLATOR = LinearInterpolator()
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}
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}
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