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Do not display empty room list state before the loading one (#2402)

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* Do not display empty room list state before the loading one
This commit is contained in:
Jorge Martin Espinosa 2024-02-21 12:16:00 +01:00 • committed by GitHub
parent 7532f96c4f
commit 598bf96208
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GPG key ID: B5690EEEBB952194
10 changed files with 41 additions and 39 deletions
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4
libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/roomlist/RoomListFactory.kt
View file

@ -50,7 +50,7 @@ internal class RoomListFactory(
innerProvider: suspend () -> InnerRoomList
): DynamicRoomList {
val loadingStateFlow: MutableStateFlow<RoomList.LoadingState> = MutableStateFlow(RoomList.LoadingState.NotLoaded)
val summariesFlow = MutableStateFlow<List<RoomSummary>>(emptyList())
val summariesFlow = MutableSharedFlow<List<RoomSummary>>(replay = 1, extraBufferCapacity = 1)
val processor = RoomSummaryListProcessor(summariesFlow, innerRoomListService, coroutineContext, roomSummaryDetailsFactory)
// Makes sure we don't miss any events
val dynamicEvents = MutableSharedFlow<RoomListDynamicEvents>(replay = 100)
@ -92,7 +92,7 @@ internal class RoomListFactory(
}
private class RustDynamicRoomList(
override val summaries: MutableStateFlow<List<RoomSummary>>,
override val summaries: MutableSharedFlow<List<RoomSummary>>,
override val loadingState: MutableStateFlow<RoomList.LoadingState>,
override val currentFilter: MutableStateFlow<RoomListFilter>,
override val loadedPages: MutableStateFlow<Int>,

9
libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/roomlist/RoomSummaryListProcessor.kt
View file

@ -17,7 +17,7 @@
package io.element.android.libraries.matrix.impl.roomlist
import io.element.android.libraries.matrix.api.roomlist.RoomSummary
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.MutableSharedFlow
import kotlinx.coroutines.sync.Mutex
import kotlinx.coroutines.sync.withLock
import kotlinx.coroutines.withContext
@ -30,7 +30,7 @@ import java.util.UUID
import kotlin.coroutines.CoroutineContext
class RoomSummaryListProcessor(
private val roomSummaries: MutableStateFlow<List<RoomSummary>>,
private val roomSummaries: MutableSharedFlow<List<RoomSummary>>,
private val roomListService: RoomListServiceInterface,
private val coroutineContext: CoroutineContext,
private val roomSummaryDetailsFactory: RoomSummaryDetailsFactory = RoomSummaryDetailsFactory(),
@ -132,9 +132,10 @@ class RoomSummaryListProcessor(
private suspend fun updateRoomSummaries(block: suspend MutableList<RoomSummary>.() -> Unit) = withContext(coroutineContext) {
mutex.withLock {
val mutableRoomSummaries = roomSummaries.value.toMutableList()
val current = roomSummaries.replayCache.lastOrNull()
val mutableRoomSummaries = current.orEmpty().toMutableList()
block(mutableRoomSummaries)
roomSummaries.value = mutableRoomSummaries
roomSummaries.emit(mutableRoomSummaries)
}
}
}