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Limit pages loading parallelism

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Koitharu
2023-08-02 14:55:15 +03:00
parent baf6f6d2c9
commit 511f9af991
1 changed files with 4 additions and 1 deletions
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5
app/src/main/kotlin/org/koitharu/kotatsu/reader/domain/PageLoader.kt
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@@ -20,7 +20,9 @@ import kotlinx.coroutines.launch
import kotlinx.coroutines.plus
import kotlinx.coroutines.runInterruptible
import kotlinx.coroutines.sync.Mutex
import kotlinx.coroutines.sync.Semaphore
import kotlinx.coroutines.sync.withLock
import kotlinx.coroutines.sync.withPermit
import okhttp3.OkHttpClient
import okhttp3.Request
import org.koitharu.kotatsu.core.network.CommonHeaders
@@ -69,6 +71,7 @@ class PageLoader @Inject constructor(
val loaderScope = RetainedLifecycleCoroutineScope(lifecycle) + InternalErrorHandler() + Dispatchers.Default
private val tasks = LongSparseArray<ProgressDeferred<File, Float>>()
private val semaphore = Semaphore(3)
private val convertLock = Mutex()
private val prefetchLock = Mutex()
private var repository: MangaRepository? = null
@@ -191,7 +194,7 @@ class PageLoader @Inject constructor(
}
}
private suspend fun loadPageImpl(page: MangaPage, progress: MutableStateFlow<Float>): File {
private suspend fun loadPageImpl(page: MangaPage, progress: MutableStateFlow<Float>): File = semaphore.withPermit {
val pageUrl = getPageUrl(page)
check(pageUrl.isNotBlank()) { "Cannot obtain full image url" }
val uri = Uri.parse(pageUrl)