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Convert last used source preference to flow

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This commit is contained in:
arkon 2020-05-24 18:10:57 -04:00
parent 3d1dec4c05
commit 7cf26363c8
2 changed files with 26 additions and 11 deletions
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2
app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferencesHelper.kt
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@ -137,7 +137,7 @@ class PreferencesHelper(val context: Context) {
fun autoUpdateTrack() = prefs.getBoolean(Keys.autoUpdateTrack, true)
fun lastUsedCatalogueSource() = rxPrefs.getLong(Keys.lastUsedCatalogueSource, -1)
fun lastUsedCatalogueSource() = flowPrefs.getLong(Keys.lastUsedCatalogueSource, -1)
fun lastUsedCategory() = flowPrefs.getInt(Keys.lastUsedCategory, 0)

35
app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/SourcePresenter.kt
View File

@ -7,10 +7,18 @@ import eu.kanade.tachiyomi.source.LocalSource
import eu.kanade.tachiyomi.source.SourceManager
import eu.kanade.tachiyomi.ui.base.presenter.BasePresenter
import java.util.TreeMap
import java.util.concurrent.TimeUnit
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.Job
import kotlinx.coroutines.delay
import kotlinx.coroutines.flow.distinctUntilChanged
import kotlinx.coroutines.flow.drop
import kotlinx.coroutines.flow.launchIn
import kotlinx.coroutines.flow.map
import kotlinx.coroutines.flow.onEach
import kotlinx.coroutines.flow.onStart
import rx.Observable
import rx.Subscription
import rx.android.schedulers.AndroidSchedulers
import uy.kohesive.injekt.Injekt
import uy.kohesive.injekt.api.get
@ -26,6 +34,8 @@ class SourcePresenter(
private val preferences: PreferencesHelper = Injekt.get()
) : BasePresenter<SourceController>() {
private val scope = CoroutineScope(Job() + Dispatchers.Main)
var sources = getEnabledSources()
/**
@ -79,16 +89,21 @@ class SourcePresenter(
}
private fun loadLastUsedSource() {
val sharedObs = preferences.lastUsedCatalogueSource().asObservable().share()
// Immediate initial load
preferences.lastUsedCatalogueSource().get().let { updateLastUsedSource(it) }
// Emit the first item immediately but delay subsequent emissions by 500ms.
Observable.merge(
sharedObs.take(1),
sharedObs.skip(1).delay(500, TimeUnit.MILLISECONDS, AndroidSchedulers.mainThread())
)
// Subsequent updates
preferences.lastUsedCatalogueSource().asFlow()
.drop(1)
.onStart { delay(500) }
.distinctUntilChanged()
.map { item -> (sourceManager.get(item) as? CatalogueSource)?.let { SourceItem(it) } }
.subscribeLatestCache(SourceController::setLastUsedSource)
.onEach { updateLastUsedSource(it) }
.launchIn(scope)
}
private fun updateLastUsedSource(sourceId: Long) {
val source = (sourceManager.get(sourceId) as? CatalogueSource)?.let { SourceItem(it) }
source?.let { view?.setLastUsedSource(it) }
}
fun updateSources() {