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SchildiChat-android
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Read marker: fix merged items

This commit is contained in:
ganfra 2019-11-21 16:25:55 +01:00 committed by Benoit Marty
parent 64d73ae8e6
commit bba52e77d1
2 changed files with 28 additions and 36 deletions
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58
vector/src/main/java/im/vector/riotx/features/home/room/detail/timeline/TimelineEventController.kt
View File

@ -151,7 +151,7 @@ class TimelineEventController @Inject constructor(private val dateFormatter: Vec
}
// Update position when we are building new items
override fun intercept(models: MutableList<EpoxyModel<*>>) {
override fun intercept(models: MutableList<EpoxyModel<*>>) = synchronized(modelCache) {
positionOfReadMarker = null
adapterPositionMapping.clear()
models.forEachIndexed { index, epoxyModel ->
@ -160,8 +160,18 @@ class TimelineEventController @Inject constructor(private val dateFormatter: Vec
adapterPositionMapping[it] = index
}
}
if (epoxyModel is TimelineReadMarkerItem) {
positionOfReadMarker = index
}
val currentUnreadState = this.unreadState
if (currentUnreadState is UnreadState.HasUnread) {
val position = adapterPositionMapping[currentUnreadState.firstUnreadEventId]?.plus(1)
positionOfReadMarker = position
if (position != null) {
val readMarker = TimelineReadMarkerItem_()
.also {
it.id("read_marker")
it.setOnVisibilityStateChanged(ReadMarkerVisibilityStateChangedListener(callback))
}
models.add(position, readMarker)
}
}
}
@ -218,7 +228,7 @@ class TimelineEventController @Inject constructor(private val dateFormatter: Vec
}
}
// Timeline.LISTENER ***************************************************************************
// Timeline.LISTENER ***************************************************************************
override fun onUpdated(snapshot: List<TimelineEvent>) {
submitSnapshot(snapshot)
@ -248,7 +258,7 @@ class TimelineEventController @Inject constructor(private val dateFormatter: Vec
} else {
it.eventModel
}
listOf(eventModel, it?.mergedHeaderModel, it?.readMarkerModel, it?.formattedDayModel)
listOf(eventModel, it?.mergedHeaderModel, it?.formattedDayModel)
}
.flatten()
.filterNotNull()
@ -258,17 +268,16 @@ class TimelineEventController @Inject constructor(private val dateFormatter: Vec
if (modelCache.isEmpty()) {
return
}
val currentUnreadState = this.unreadState
(0 until modelCache.size).forEach { position ->
// Should be build if not cached or if cached but contains additional models
// We then are sure we always have items up to date.
if (modelCache[position] == null || modelCache[position]?.shouldTriggerBuild(currentUnreadState) == true) {
modelCache[position] = buildCacheItem(position, currentSnapshot, currentUnreadState)
if (modelCache[position] == null || modelCache[position]?.shouldTriggerBuild() == true) {
modelCache[position] = buildCacheItem(position, currentSnapshot)
}
}
}
private fun buildCacheItem(currentPosition: Int, items: List<TimelineEvent>, currentUnreadState: UnreadState): CacheItemData {
private fun buildCacheItem(currentPosition: Int, items: List<TimelineEvent>): CacheItemData {
val event = items[currentPosition]
val nextEvent = items.nextOrNull(currentPosition)
val date = event.root.localDateTime()
@ -289,25 +298,7 @@ class TimelineEventController @Inject constructor(private val dateFormatter: Vec
requestModelBuild()
}
val daySeparatorItem = buildDaySeparatorItem(addDaySeparator, date)
val readMarkerItem = buildReadMarkerItem(event, currentUnreadState)
return CacheItemData(event.localId, event.root.eventId, eventModel, mergedHeaderModel, daySeparatorItem, readMarkerItem)
}
private fun buildReadMarkerItem(event: TimelineEvent, currentUnreadState: UnreadState): TimelineReadMarkerItem? {
return when (currentUnreadState) {
is UnreadState.HasUnread -> {
if (event.root.eventId == currentUnreadState.firstUnreadEventId) {
TimelineReadMarkerItem_()
.also {
it.id("read_marker")
it.setOnVisibilityStateChanged(ReadMarkerVisibilityStateChangedListener(callback))
}
} else {
null
}
}
else -> null
}
return CacheItemData(event.localId, event.root.eventId, eventModel, mergedHeaderModel, daySeparatorItem)
}
private fun buildDaySeparatorItem(addDaySeparator: Boolean, date: LocalDateTime): DaySeparatorItem? {
@ -354,14 +345,11 @@ class TimelineEventController @Inject constructor(private val dateFormatter: Vec
val eventId: String?,
val eventModel: EpoxyModel<*>? = null,
val mergedHeaderModel: MergedHeaderItem? = null,
val formattedDayModel: DaySeparatorItem? = null,
val readMarkerModel: TimelineReadMarkerItem? = null
val formattedDayModel: DaySeparatorItem? = null
) {
fun shouldTriggerBuild(unreadState: UnreadState): Boolean {
return mergedHeaderModel != null
|| formattedDayModel != null
|| readMarkerModel != null
|| (unreadState is UnreadState.HasUnread && unreadState.firstUnreadEventId == eventId)
fun shouldTriggerBuild(): Boolean {
return mergedHeaderModel != null || formattedDayModel != null
}
}
}

6
vector/src/main/java/im/vector/riotx/features/home/room/detail/timeline/item/MergedHeaderItem.kt
View File

@ -72,7 +72,11 @@ abstract class MergedHeaderItem : BaseEventItem<MergedHeaderItem.Holder>() {
}
override fun getEventIds(): List<String> {
return attributes.mergeData.map { it.eventId }
return if (attributes.isCollapsed) {
attributes.mergeData.map { it.eventId }
} else {
emptyList()
}
}
data class Data(