Scrolling to anchor tags does nothing in vertical-rl writing mode

[WebKit-https.git] / Source / WebCore / page / FrameView.cpp

diff --git a/Source/WebCore/page/FrameView.cpp b/Source/WebCore/page/FrameView.cpp
index f07cc4e7c59782dff9a5a07852a0018f720aa037..9ca1ff2eb3f9dbc2405638a9e5601d68b40e373e 100644 (file)
--- a/Source/WebCore/page/FrameView.cpp
+++ b/Source/WebCore/page/FrameView.cpp
@@ -2791,7 +2791,12 @@ void FrameView::scrollToAnchor()
 
     // Scroll nested layers and frames to reveal the anchor.
     // Align to the top and to the closest side (this matches other browsers).
-    anchorNode->renderer()->scrollRectToVisible(rect, ScrollAlignment::alignToEdgeIfNeeded, ScrollAlignment::alignTopAlways);
+    if (anchorNode->renderer()->style().isHorizontalWritingMode())
+        anchorNode->renderer()->scrollRectToVisible(rect, ScrollAlignment::alignToEdgeIfNeeded, ScrollAlignment::alignTopAlways);
+    else if (anchorNode->renderer()->style().isFlippedBlocksWritingMode())
+        anchorNode->renderer()->scrollRectToVisible(rect, ScrollAlignment::alignRightAlways, ScrollAlignment::alignToEdgeIfNeeded);
+    else
+        anchorNode->renderer()->scrollRectToVisible(rect, ScrollAlignment::alignLeftAlways, ScrollAlignment::alignToEdgeIfNeeded);
 
     if (AXObjectCache* cache = frame().document()->existingAXObjectCache())
         cache->handleScrolledToAnchor(anchorNode.get());