优化 EPUB 翻页与后台分页刷新

Sources/RDReaderView/ReaderView/RDReaderView.swift

@@ -763,6 +763,14 @@ public class RDReaderView: UIView {
         guard let safePageNum = clampedPageNumber(pageNum) else { return }
         switch currentDisplayType {
         case .pageCurl:
+            if !animated, safePageNum == currentPage, !detectPageViewControllerFault(pageViewController) {
+                RDReaderTapDebug.log(
+                    "ReaderView.transitionToPage",
+                    "skip same page page=\(safePageNum) animated=\(animated)"
+                )
+                return
+            }
+
             let request = PageTransitionRequest(pageNum: safePageNum, animated: animated)
             if shouldQueuePageTransition(request) {
                 return
@@ -823,6 +831,7 @@ public class RDReaderView: UIView {
     }
 
     public func reloadData() {
+        invalidatePageCaches()
         switchReaderDisplayType(currentDisplayType)
         topToolView = resolvedTopChromeView()
         bottomToolView = resolvedBottomChromeView()
@@ -830,8 +839,9 @@ public class RDReaderView: UIView {
 
     public func reloadPageCountOnly() {
         if currentDisplayType == .pageCurl {
-            if !isPageCurlTransitioning, currentPage >= 0, numberOfPages() > 0 {
-                transitionToPage(pageNum: currentPage, animated: false)
+            let totalPages = numberOfPages()
+            if !isPageCurlTransitioning, currentPage >= totalPages, totalPages > 0 {
+                transitionToPage(pageNum: totalPages - 1, animated: false)
             }
         } else {
             collectionView.reloadData()