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Tweak ReorderingLazyList code

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This commit is contained in:
vfsfitvnm 2022-08-26 16:33:39 +02:00
parent 97707d724d
commit e41bca11c3
2 changed files with 22 additions and 18 deletions
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1
compose-reordering/src/main/kotlin/it/vfsfitvnm/reordering/ReorderingLazyColumn.kt
View file

@ -27,7 +27,6 @@ fun ReorderingLazyColumn(
) {
ReorderingLazyList(
modifier = modifier,
state = reorderingState.lazyListState,
reorderingState = reorderingState,
contentPadding = contentPadding,
flingBehavior = flingBehavior,

39
compose-reordering/src/main/kotlin/it/vfsfitvnm/reordering/ReorderingLazyList.kt
View file

@ -33,7 +33,6 @@ import androidx.compose.foundation.lazy.rememberLazyListItemProvider
import androidx.compose.foundation.overscroll
import androidx.compose.runtime.Composable
import androidx.compose.runtime.remember
import androidx.compose.runtime.rememberCoroutineScope
import androidx.compose.runtime.snapshots.Snapshot
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
@ -49,7 +48,6 @@ import androidx.compose.ui.unit.offset
@Composable
internal fun ReorderingLazyList(
modifier: Modifier,
state: LazyListState,
reorderingState: ReorderingState,
contentPadding: PaddingValues,
reverseLayout: Boolean,
@ -63,16 +61,16 @@ internal fun ReorderingLazyList(
content: LazyListScope.() -> Unit
) {
val overscrollEffect = ScrollableDefaults.overscrollEffect()
val itemProvider = rememberLazyListItemProvider(state, content)
val scope = rememberCoroutineScope()
val placementAnimator = remember(state, isVertical) {
LazyListItemPlacementAnimator(scope, isVertical)
val itemProvider = rememberLazyListItemProvider(reorderingState.lazyListState, content)
val placementAnimator = remember(reorderingState.lazyListState, isVertical) {
LazyListItemPlacementAnimator(reorderingState.coroutineScope, isVertical).also {
reorderingState.lazyListState.placementAnimator = it
}
}
state.placementAnimator = placementAnimator
val measurePolicy = rememberLazyListMeasurePolicy(
itemProvider,
state,
reorderingState.lazyListState,
reorderingState.lazyListBeyondBoundsInfo,
overscrollEffect,
contentPadding,
@ -88,19 +86,26 @@ internal fun ReorderingLazyList(
val orientation = if (isVertical) Orientation.Vertical else Orientation.Horizontal
LazyLayout(
modifier = modifier
.then(state.remeasurementModifier)
.then(state.awaitLayoutModifier)
.then(reorderingState.lazyListState.remeasurementModifier)
.then(reorderingState.lazyListState.awaitLayoutModifier)
.lazyListSemantics(
itemProvider = itemProvider,
state = state,
coroutineScope = scope,
state = reorderingState.lazyListState,
coroutineScope = reorderingState.coroutineScope,
isVertical = isVertical,
reverseScrolling = reverseLayout,
userScrollEnabled = userScrollEnabled
)
.clipScrollableContainer(orientation)
.lazyListBeyondBoundsModifier(state, reorderingState.lazyListBeyondBoundsInfo, reverseLayout)
.lazyListPinningModifier(state, reorderingState.lazyListBeyondBoundsInfo)
.lazyListBeyondBoundsModifier(
state = reorderingState.lazyListState,
beyondBoundsInfo = reorderingState.lazyListBeyondBoundsInfo,
reverseLayout = reverseLayout
)
.lazyListPinningModifier(
state = reorderingState.lazyListState,
beyondBoundsInfo = reorderingState.lazyListBeyondBoundsInfo
)
.overscroll(overscrollEffect)
.scrollable(
orientation = orientation,
@ -109,13 +114,13 @@ internal fun ReorderingLazyList(
orientation,
reverseLayout
),
interactionSource = state.internalInteractionSource,
interactionSource = reorderingState.lazyListState.internalInteractionSource,
flingBehavior = flingBehavior,
state = state,
state = reorderingState.lazyListState,
overscrollEffect = overscrollEffect,
enabled = userScrollEnabled
),
prefetchState = state.prefetchState,
prefetchState = reorderingState.lazyListState.prefetchState,
measurePolicy = measurePolicy,
itemProvider = itemProvider
)