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Code Issues Packages Projects Releases Wiki Activity

MangaSummary: Refactor to not use SubcomposeLayout (#10008)

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Ivan Iskandar 2023-10-14 21:52:04 +07:00 committed by GitHub
parent c492efcb31
commit 0026f96fad
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1 changed files with 55 additions and 54 deletions
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app/src/main/java/eu/kanade/presentation/manga/components/MangaInfoHeader.kt
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@ -48,7 +48,6 @@ import androidx.compose.material3.Text
import androidx.compose.runtime.Composable import androidx.compose.runtime.Composable
import androidx.compose.runtime.CompositionLocalProvider import androidx.compose.runtime.CompositionLocalProvider
import androidx.compose.runtime.getValue import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableIntStateOf
import androidx.compose.runtime.mutableStateOf import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember import androidx.compose.runtime.remember
import androidx.compose.runtime.saveable.rememberSaveable import androidx.compose.runtime.saveable.rememberSaveable
@ -63,9 +62,8 @@ import androidx.compose.ui.graphics.Brush
import androidx.compose.ui.graphics.Color import androidx.compose.ui.graphics.Color
import androidx.compose.ui.graphics.vector.ImageVector import androidx.compose.ui.graphics.vector.ImageVector
import androidx.compose.ui.layout.ContentScale import androidx.compose.ui.layout.ContentScale
import androidx.compose.ui.layout.SubcomposeLayout import androidx.compose.ui.layout.Layout
import androidx.compose.ui.platform.LocalContext import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.platform.LocalDensity
import androidx.compose.ui.res.pluralStringResource import androidx.compose.ui.res.pluralStringResource
import androidx.compose.ui.res.stringResource import androidx.compose.ui.res.stringResource
import androidx.compose.ui.text.style.TextAlign import androidx.compose.ui.text.style.TextAlign
@ -589,30 +587,23 @@ private fun MangaSummary(
expanded: Boolean, expanded: Boolean,
modifier: Modifier = Modifier, modifier: Modifier = Modifier,
) { ) {
var expandedHeight by remember { mutableIntStateOf(0) }
var shrunkHeight by remember { mutableIntStateOf(0) }
val heightDelta = remember(expandedHeight, shrunkHeight) { expandedHeight - shrunkHeight }
val animProgress by animateFloatAsState(if (expanded) 1f else 0f) val animProgress by animateFloatAsState(if (expanded) 1f else 0f)
val scrimHeight = with(LocalDensity.current) { remember { 24.sp.roundToPx() } } Layout(
modifier = modifier.clipToBounds(),
SubcomposeLayout(modifier = modifier.clipToBounds()) { constraints -> contents = listOf(
val shrunkPlaceable = subcompose("description-s") { {
Text( Text(
text = "\n\n", // Shows at least 3 lines text = "\n\n", // Shows at least 3 lines
style = MaterialTheme.typography.bodyMedium, style = MaterialTheme.typography.bodyMedium,
) )
}.map { it.measure(constraints) } },
shrunkHeight = shrunkPlaceable.maxByOrNull { it.height }?.height ?: 0 {
val expandedPlaceable = subcompose("description-l") {
Text( Text(
text = expandedDescription, text = expandedDescription,
style = MaterialTheme.typography.bodyMedium, style = MaterialTheme.typography.bodyMedium,
) )
}.map { it.measure(constraints) } },
expandedHeight = expandedPlaceable.maxByOrNull { it.height }?.height?.coerceAtLeast(shrunkHeight) ?: 0 {
val actualPlaceable = subcompose("description") {
SelectionContainer { SelectionContainer {
Text( Text(
text = if (expanded) expandedDescription else shrunkDescription, text = if (expanded) expandedDescription else shrunkDescription,
@ -622,9 +613,8 @@ private fun MangaSummary(
modifier = Modifier.secondaryItemAlpha(), modifier = Modifier.secondaryItemAlpha(),
) )
} }
}.map { it.measure(constraints) } },
{
val scrimPlaceable = subcompose("scrim") {
val colors = listOf(Color.Transparent, MaterialTheme.colorScheme.background) val colors = listOf(Color.Transparent, MaterialTheme.colorScheme.background)
Box( Box(
modifier = Modifier.background(Brush.verticalGradient(colors = colors)), modifier = Modifier.background(Brush.verticalGradient(colors = colors)),
@ -638,18 +628,29 @@ private fun MangaSummary(
modifier = Modifier.background(Brush.radialGradient(colors = colors.asReversed())), modifier = Modifier.background(Brush.radialGradient(colors = colors.asReversed())),
) )
} }
}.map { it.measure(Constraints.fixed(width = constraints.maxWidth, height = scrimHeight)) } },
),
) { (shrunk, expanded, actual, scrim), constraints ->
val shrunkHeight = shrunk.single()
.measure(constraints)
.height
val expandedHeight = expanded.single()
.measure(constraints)
.height
val heightDelta = expandedHeight - shrunkHeight
val scrimHeight = 24.dp.roundToPx()
val actualPlaceable = actual.single()
.measure(constraints)
val scrimPlaceable = scrim.single()
.measure(Constraints.fixed(width = constraints.maxWidth, height = scrimHeight))
val currentHeight = shrunkHeight + ((heightDelta + scrimHeight) * animProgress).roundToInt() val currentHeight = shrunkHeight + ((heightDelta + scrimHeight) * animProgress).roundToInt()
layout(constraints.maxWidth, currentHeight) { layout(constraints.maxWidth, currentHeight) {
actualPlaceable.forEach { actualPlaceable.place(0, 0)
it.place(0, 0)
}
val scrimY = currentHeight - scrimHeight val scrimY = currentHeight - scrimHeight
scrimPlaceable.forEach { scrimPlaceable.place(0, scrimY)
it.place(0, scrimY)
}
} }
} }
} }