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tweak filtering for initial scroll

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This commit is contained in:
Matthieu 2021-04-22 17:04:35 +02:00
parent f3f3fb97f8
commit e52bf51e18
1 changed files with 5 additions and 6 deletions
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11
app/src/main/java/org/pixeldroid/app/posts/feeds/cachedFeeds/CachedFeedFragment.kt
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@ -10,10 +10,7 @@ import androidx.lifecycle.lifecycleScope
import androidx.paging.* import androidx.paging.*
import androidx.recyclerview.widget.RecyclerView import androidx.recyclerview.widget.RecyclerView
import kotlinx.coroutines.Job import kotlinx.coroutines.Job
import kotlinx.coroutines.flow.collect import kotlinx.coroutines.flow.*
import kotlinx.coroutines.flow.collectLatest
import kotlinx.coroutines.flow.distinctUntilChangedBy
import kotlinx.coroutines.flow.filter
import kotlinx.coroutines.launch import kotlinx.coroutines.launch
import org.pixeldroid.app.databinding.FragmentFeedBinding import org.pixeldroid.app.databinding.FragmentFeedBinding
@ -54,9 +51,11 @@ open class CachedFeedFragment<T: FeedContentDatabase> : BaseFragment() {
lifecycleScope.launch { lifecycleScope.launch {
adapter.loadStateFlow adapter.loadStateFlow
// Only emit when REFRESH LoadState for RemoteMediator changes. // Only emit when REFRESH LoadState for RemoteMediator changes.
.distinctUntilChangedBy { it.refresh } .distinctUntilChangedBy {
it.source.refresh
}
// Only react to cases where Remote REFRESH completes i.e., NotLoading. // Only react to cases where Remote REFRESH completes i.e., NotLoading.
.filter { it.refresh is LoadState.NotLoading } .filter { it.refresh is LoadState.NotLoading && it.source.refresh is LoadState.NotLoading}
.collect { binding.list.scrollToPosition(0) } .collect { binding.list.scrollToPosition(0) }
} }
} }