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-rw-r--r--Source/WebCore/rendering/RenderLayer.cpp11
1 files changed, 7 insertions, 4 deletions
diff --git a/Source/WebCore/rendering/RenderLayer.cpp b/Source/WebCore/rendering/RenderLayer.cpp
index 6aff65c..0eae838 100644
--- a/Source/WebCore/rendering/RenderLayer.cpp
+++ b/Source/WebCore/rendering/RenderLayer.cpp
@@ -2274,10 +2274,13 @@ void RenderLayer::updateScrollInfoAfterLayout()
updateOverflowStatus(horizontalOverflow, verticalOverflow);
#if ENABLE(ANDROID_OVERFLOW_SCROLL)
- bool hasOverflowScroll = ((horizontalOverflow && m_hBar) || (verticalOverflow && m_vBar))
- // Disable UI side scrolling for textareas, unless they are readonly.
- && (!renderer()->isTextArea() || (renderer()->node()
- && static_cast<HTMLTextAreaElement*>(renderer()->node())->readOnly()));
+ bool hasOverflowScroll = ((horizontalOverflow && m_hBar) || (verticalOverflow && m_vBar)) &&
+ ((!renderer()->isTextArea() && !renderer()->isRenderBlock()) ||
+ // Disable customized overflow scroll for positioned RenderBlock.
+ (renderer()->isRenderBlock() && !renderer()->isPositioned()) ||
+ // Disable UI side scrolling for textareas, unless they are readonly.
+ (renderer()->isTextArea() && renderer()->node() &&
+ static_cast<HTMLTextAreaElement*>(renderer()->node())->readOnly()));
if (hasOverflowScroll != m_hasOverflowScroll) {
m_hasOverflowScroll = hasOverflowScroll;
dirtyZOrderLists();