UTD : when reaching UTD and invite state event, stop back pagination

This commit is contained in:
ganfra 2020-09-29 19:29:31 +02:00 committed by Benoit Marty
parent c09d308df8
commit 0a0330a48c
1 changed files with 43 additions and 4 deletions

View File

@ -50,6 +50,11 @@ import im.vector.app.features.home.room.detail.timeline.item.ReadReceiptData
import im.vector.app.features.home.room.detail.timeline.item.TimelineReadMarkerItem_
import im.vector.app.features.media.ImageContentRenderer
import im.vector.app.features.media.VideoContentRenderer
import org.matrix.android.sdk.api.session.Session
import org.matrix.android.sdk.api.session.events.model.EventType
import org.matrix.android.sdk.api.session.events.model.toModel
import org.matrix.android.sdk.api.session.room.model.Membership
import org.matrix.android.sdk.api.session.room.model.RoomMemberContent
import org.matrix.android.sdk.api.session.room.model.message.MessageImageInfoContent
import org.matrix.android.sdk.api.session.room.model.message.MessageVideoContent
import org.matrix.android.sdk.api.session.room.timeline.Timeline
@ -64,6 +69,7 @@ class TimelineEventController @Inject constructor(private val dateFormatter: Vec
private val timelineItemFactory: TimelineItemFactory,
private val timelineMediaSizeProvider: TimelineMediaSizeProvider,
private val mergedHeaderItemFactory: MergedHeaderItemFactory,
private val session: Session,
@TimelineEventControllerHandler
private val backgroundHandler: Handler
) : EpoxyController(backgroundHandler, backgroundHandler), Timeline.Listener, EpoxyController.Interceptor {
@ -115,6 +121,8 @@ class TimelineEventController @Inject constructor(private val dateFormatter: Vec
private val modelCache = arrayListOf<CacheItemData?>()
private var currentSnapshot: List<TimelineEvent> = emptyList()
private var inSubmitList: Boolean = false
private var hasReachedInvite: Boolean = false
private var hasUTD: Boolean = false
private var unreadState: UnreadState = UnreadState.Unknown
private var positionOfReadMarker: Int? = null
private var eventIdToHighlight: String? = null
@ -267,7 +275,9 @@ class TimelineEventController @Inject constructor(private val dateFormatter: Vec
val timelineModels = getModels()
add(timelineModels)
if (hasReachedInvite && hasUTD) {
return
}
// Avoid displaying two loaders if there is no elements between them
val showBackwardsLoader = !showingForwardLoader || timelineModels.isNotEmpty()
// We can hide the loader but still add the item to controller so it can trigger backwards pagination
@ -327,6 +337,9 @@ class TimelineEventController @Inject constructor(private val dateFormatter: Vec
}
private fun buildCacheItemsIfNeeded() = synchronized(modelCache) {
hasUTD = false
hasReachedInvite = false
if (modelCache.isEmpty()) {
return
}
@ -342,13 +355,21 @@ class TimelineEventController @Inject constructor(private val dateFormatter: Vec
private fun buildCacheItem(currentPosition: Int, items: List<TimelineEvent>): CacheItemData {
val event = items[currentPosition]
val nextEvent = items.nextOrNull(currentPosition)
val date = event.root.localDateTime()
val nextDate = nextEvent?.root?.localDateTime()
val addDaySeparator = date.toLocalDate() != nextDate?.toLocalDate()
if (hasReachedInvite && hasUTD) {
return CacheItemData(event.localId, event.root.eventId, null, null, null)
}
updateUTDStates(event, nextEvent)
val eventModel = timelineItemFactory.create(event, nextEvent, eventIdToHighlight, callback).also {
it.id(event.localId)
it.setOnVisibilityStateChanged(TimelineEventVisibilityStateChangedListener(callback, event))
}
val addDaySeparator = if (hasReachedInvite && hasUTD) {
true
} else {
val date = event.root.localDateTime()
val nextDate = nextEvent?.root?.localDateTime()
date.toLocalDate() != nextDate?.toLocalDate()
}
val mergedHeaderModel = mergedHeaderItemFactory.create(event,
nextEvent = nextEvent,
items = items,
@ -372,6 +393,24 @@ class TimelineEventController @Inject constructor(private val dateFormatter: Vec
}
}
private fun updateUTDStates(event: TimelineEvent, nextEvent: TimelineEvent?) {
if (event.root.type == EventType.STATE_ROOM_MEMBER
&& event.root.stateKey == session.myUserId) {
val content = event.root.content.toModel<RoomMemberContent>()
if (content?.membership == Membership.INVITE) {
hasReachedInvite = true
} else if (content?.membership == Membership.JOIN) {
val prevContent = event.root.resolvedPrevContent().toModel<RoomMemberContent>()
if (prevContent?.membership?.isActive() == false) {
hasReachedInvite = true
}
}
}
if (nextEvent?.root?.getClearType() == EventType.ENCRYPTED) {
hasUTD = true
}
}
/**
* Return true if added
*/