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@ -48,7 +48,6 @@ import androidx.compose.material3.Text
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import androidx.compose.runtime.Composable
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import androidx.compose.runtime.CompositionLocalProvider
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import androidx.compose.runtime.getValue
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import androidx.compose.runtime.mutableIntStateOf
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import androidx.compose.runtime.mutableStateOf
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import androidx.compose.runtime.remember
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import androidx.compose.runtime.saveable.rememberSaveable
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@ -63,9 +62,8 @@ import androidx.compose.ui.graphics.Brush
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import androidx.compose.ui.graphics.Color
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import androidx.compose.ui.graphics.vector.ImageVector
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import androidx.compose.ui.layout.ContentScale
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import androidx.compose.ui.layout.SubcomposeLayout
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import androidx.compose.ui.layout.Layout
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import androidx.compose.ui.platform.LocalContext
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import androidx.compose.ui.platform.LocalDensity
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import androidx.compose.ui.res.pluralStringResource
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import androidx.compose.ui.res.stringResource
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import androidx.compose.ui.text.style.TextAlign
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@ -589,30 +587,23 @@ private fun MangaSummary(
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expanded: Boolean,
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modifier: Modifier = Modifier,
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) {
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var expandedHeight by remember { mutableIntStateOf(0) }
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var shrunkHeight by remember { mutableIntStateOf(0) }
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val heightDelta = remember(expandedHeight, shrunkHeight) { expandedHeight - shrunkHeight }
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val animProgress by animateFloatAsState(if (expanded) 1f else 0f)
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val scrimHeight = with(LocalDensity.current) { remember { 24.sp.roundToPx() } }
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SubcomposeLayout(modifier = modifier.clipToBounds()) { constraints ->
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val shrunkPlaceable = subcompose("description-s") {
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Layout(
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modifier = modifier.clipToBounds(),
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contents = listOf(
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{
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Text(
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text = "\n\n", // Shows at least 3 lines
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style = MaterialTheme.typography.bodyMedium,
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)
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}.map { it.measure(constraints) }
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shrunkHeight = shrunkPlaceable.maxByOrNull { it.height }?.height ?: 0
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val expandedPlaceable = subcompose("description-l") {
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},
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{
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Text(
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text = expandedDescription,
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style = MaterialTheme.typography.bodyMedium,
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)
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}.map { it.measure(constraints) }
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expandedHeight = expandedPlaceable.maxByOrNull { it.height }?.height?.coerceAtLeast(shrunkHeight) ?: 0
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val actualPlaceable = subcompose("description") {
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},
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{
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SelectionContainer {
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Text(
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text = if (expanded) expandedDescription else shrunkDescription,
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@ -622,9 +613,8 @@ private fun MangaSummary(
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modifier = Modifier.secondaryItemAlpha(),
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)
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}
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}.map { it.measure(constraints) }
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val scrimPlaceable = subcompose("scrim") {
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},
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{
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val colors = listOf(Color.Transparent, MaterialTheme.colorScheme.background)
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Box(
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modifier = Modifier.background(Brush.verticalGradient(colors = colors)),
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@ -638,18 +628,29 @@ private fun MangaSummary(
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modifier = Modifier.background(Brush.radialGradient(colors = colors.asReversed())),
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)
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}
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}.map { it.measure(Constraints.fixed(width = constraints.maxWidth, height = scrimHeight)) }
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},
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),
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) { (shrunk, expanded, actual, scrim), constraints ->
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val shrunkHeight = shrunk.single()
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.measure(constraints)
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.height
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val expandedHeight = expanded.single()
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.measure(constraints)
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.height
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val heightDelta = expandedHeight - shrunkHeight
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val scrimHeight = 24.dp.roundToPx()
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val actualPlaceable = actual.single()
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.measure(constraints)
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val scrimPlaceable = scrim.single()
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.measure(Constraints.fixed(width = constraints.maxWidth, height = scrimHeight))
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val currentHeight = shrunkHeight + ((heightDelta + scrimHeight) * animProgress).roundToInt()
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layout(constraints.maxWidth, currentHeight) {
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actualPlaceable.forEach {
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it.place(0, 0)
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}
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actualPlaceable.place(0, 0)
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val scrimY = currentHeight - scrimHeight
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scrimPlaceable.forEach {
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it.place(0, scrimY)
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}
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scrimPlaceable.place(0, scrimY)
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}
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}
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}
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