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Merge pull request #731 from vector-im/feature/fga/timeline_back_pagination

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Feature/fga/timeline back pagination
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Benoit Marty 2023-06-30 09:27:36 +02:00 • committed by GitHub
commit a2a5d251d1
8 changed files with 43 additions and 69 deletions
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17
libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/timeline/RustMatrixTimeline.kt
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@ -30,6 +30,7 @@ import kotlinx.coroutines.FlowPreview
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.StateFlow
import kotlinx.coroutines.flow.asStateFlow
import kotlinx.coroutines.flow.sample
import kotlinx.coroutines.withContext
import org.matrix.rustcomponents.sdk.PaginationOptions
@ -45,10 +46,10 @@ class RustMatrixTimeline(
private val coroutineDispatchers: CoroutineDispatchers,
) : MatrixTimeline {
private val timelineItems: MutableStateFlow<List<MatrixTimelineItem>> =
private val _timelineItems: MutableStateFlow<List<MatrixTimelineItem>> =
MutableStateFlow(emptyList())
private val paginationState = MutableStateFlow(
private val _paginationState = MutableStateFlow(
MatrixTimeline.PaginationState(canBackPaginate = true, isBackPaginating = false)
)
@ -64,19 +65,15 @@ class RustMatrixTimeline(
)
private val timelineDiffProcessor = MatrixTimelineDiffProcessor(
paginationState = paginationState,
timelineItems = timelineItems,
paginationState = _paginationState,
timelineItems = _timelineItems,
timelineItemFactory = timelineItemFactory,
)
override fun paginationState(): StateFlow<MatrixTimeline.PaginationState> {
return paginationState
}
override val paginationState: StateFlow<MatrixTimeline.PaginationState> = _paginationState.asStateFlow()
@OptIn(FlowPreview::class)
override fun timelineItems(): Flow<List<MatrixTimelineItem>> {
return timelineItems.sample(50)
}
override val timelineItems: Flow<List<MatrixTimelineItem>> = _timelineItems.sample(50)
internal suspend fun postItems(items: List<TimelineItem>) {
timelineDiffProcessor.postItems(items)