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Updated on 2026-08-14

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Tangem 2024-08-16 17:59:32 +04:00
parent 09f69d5c32
commit e14e82a284
2 changed files with 27 additions and 22 deletions
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26
core/ui/src/main/java/com/tangem/core/ui/components/list/InfiniteListHandler.kt Normal file
View file

@ -0,0 +1,26 @@
package com.tangem.core.ui.components.list
import androidx.compose.foundation.lazy.LazyListState
import androidx.compose.runtime.*
@Composable
fun InfiniteListHandler(listState: LazyListState, onLoadMore: () -> Boolean, buffer: Int = 2) {
val loadMore by remember {
derivedStateOf {
val layoutInfo = listState.layoutInfo
val totalItemsNumber = layoutInfo.totalItemsCount
val lastVisibleItemIndex = (layoutInfo.visibleItemsInfo.lastOrNull()?.index ?: 0) + 1
lastVisibleItemIndex > totalItemsNumber - buffer
}
}
val totalItemsCount by remember { derivedStateOf { listState.layoutInfo.totalItemsCount } }
var emitted by remember(totalItemsCount) { mutableStateOf(false) }
LaunchedEffect(loadMore) {
if (loadMore && !emitted) {
emitted = onLoadMore()
}
}
}

23
features/markets/impl/src/main/kotlin/com/tangem/features/markets/tokenlist/impl/ui/components/MarketsListLazyColumn.kt
View file

@ -13,6 +13,7 @@ import androidx.compose.ui.platform.LocalDensity
import androidx.compose.ui.res.stringResource
import com.tangem.core.ui.components.buttons.SecondarySmallButton
import com.tangem.core.ui.components.buttons.SmallButtonConfig
import com.tangem.core.ui.components.list.InfiniteListHandler
import com.tangem.core.ui.event.EventEffect
import com.tangem.core.ui.extensions.resourceReference
import com.tangem.core.ui.res.TangemTheme
@ -196,26 +197,4 @@ private fun VisibleItemsTracker(listState: LazyListState, state: ListUM) {
state.visibleIdsChanged(visibleItems)
}
}
}
@Composable
fun InfiniteListHandler(listState: LazyListState, onLoadMore: () -> Boolean, buffer: Int = 2) {
val loadMore by remember {
derivedStateOf {
val layoutInfo = listState.layoutInfo
val totalItemsNumber = layoutInfo.totalItemsCount
val lastVisibleItemIndex = (layoutInfo.visibleItemsInfo.lastOrNull()?.index ?: 0) + 1
lastVisibleItemIndex > totalItemsNumber - buffer
}
}
val totalItemsCount by remember { derivedStateOf { listState.layoutInfo.totalItemsCount } }
var emitted by remember(totalItemsCount) { mutableStateOf(false) }
LaunchedEffect(loadMore) {
if (loadMore && !emitted) {
emitted = onLoadMore()
}
}
}