forked from GitHub-Mirror/riotX-android
49 lines
2.0 KiB
Kotlin
49 lines
2.0 KiB
Kotlin
package im.vector.matrix.android.internal.session.room
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import android.arch.lifecycle.LiveData
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import android.arch.paging.LivePagedListBuilder
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import android.arch.paging.PagedList
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import com.zhuinden.monarchy.Monarchy
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import im.vector.matrix.android.api.session.events.model.Event
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import im.vector.matrix.android.api.session.room.Room
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import im.vector.matrix.android.internal.database.mapper.EventMapper
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import im.vector.matrix.android.internal.database.model.ChunkEntity
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import im.vector.matrix.android.internal.database.query.where
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import im.vector.matrix.android.internal.session.room.timeline.PaginationRequest
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import im.vector.matrix.android.internal.session.room.timeline.TimelineBoundaryCallback
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import org.koin.standalone.KoinComponent
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import org.koin.standalone.inject
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import java.util.concurrent.Executors
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data class DefaultRoom(
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override val roomId: String
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) : Room, KoinComponent {
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private val paginationRequest by inject<PaginationRequest>()
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private val monarchy by inject<Monarchy>()
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private val boundaryCallback = TimelineBoundaryCallback(paginationRequest, roomId, monarchy, Executors.newSingleThreadExecutor())
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override fun liveTimeline(): LiveData<PagedList<Event>> {
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val realmDataSourceFactory = monarchy.createDataSourceFactory { realm ->
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ChunkEntity.where(realm, roomId)
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.findAll()
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.last(null)
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?.let { it.events }
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?.where()
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?.sort("originServerTs")
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}
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val domainSourceFactory = realmDataSourceFactory.map { EventMapper.map(it) }
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val pagedListConfig = PagedList.Config.Builder()
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.setEnablePlaceholders(false)
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.setPageSize(10)
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.setInitialLoadSizeHint(30)
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.setPrefetchDistance(5)
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.build()
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val livePagedListBuilder = LivePagedListBuilder(domainSourceFactory, pagedListConfig).setBoundaryCallback(boundaryCallback)
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return monarchy.findAllPagedWithChanges(realmDataSourceFactory, livePagedListBuilder)
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}
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} |