Increase next chapter preload threshold to last 5 pages

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PagerViewer.kt

@@ -158,8 +158,8 @@ abstract class PagerViewer(val activity: ReaderActivity) : BaseViewer {
         Timber.d("onReaderPageSelected: ${page.number}/${pages.size}")
         activity.onPageSelected(page)
 
-        // Preload next chapter once we're within the last 3 pages of the current chapter
-        val inPreloadRange = pages.size - page.number < 3
+        // Preload next chapter once we're within the last 5 pages of the current chapter
+        val inPreloadRange = pages.size - page.number < 5
         if (inPreloadRange && allowPreload && page.chapter == adapter.currentChapter) {
             Timber.d("Request preload next chapter because we're at page ${page.number} of ${pages.size}")
             adapter.nextTransition?.to?.let {

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonViewer.kt

@@ -167,8 +167,8 @@ class WebtoonViewer(val activity: ReaderActivity, val isContinuous: Boolean = tr
         Timber.d("onPageSelected: ${page.number}/${pages.size}")
         activity.onPageSelected(page)
 
-        // Preload next chapter once we're within the last 3 pages of the current chapter
-        val inPreloadRange = pages.size - page.number < 3
+        // Preload next chapter once we're within the last 5 pages of the current chapter
+        val inPreloadRange = pages.size - page.number < 5
         if (inPreloadRange && allowPreload && page.chapter == adapter.currentChapter) {
             Timber.d("Request preload next chapter because we're at page ${page.number} of ${pages.size}")
             val nextItem = adapter.items.getOrNull(adapter.items.size - 1)