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-rw-r--r--Source/WebCore/page/scrolling/ScrollingConstraints.cpp18
1 files changed, 18 insertions, 0 deletions
diff --git a/Source/WebCore/page/scrolling/ScrollingConstraints.cpp b/Source/WebCore/page/scrolling/ScrollingConstraints.cpp
index 4b3f4d68c..00f101a34 100644
--- a/Source/WebCore/page/scrolling/ScrollingConstraints.cpp
+++ b/Source/WebCore/page/scrolling/ScrollingConstraints.cpp
@@ -26,6 +26,8 @@
#include "config.h"
#include "ScrollingConstraints.h"
+#include "TextStream.h"
+
namespace WebCore {
FloatPoint FixedPositionViewportConstraints::layerPositionForViewportRect(const FloatRect& viewportRect) const
@@ -98,4 +100,20 @@ FloatPoint StickyPositionViewportConstraints::layerPositionForConstrainingRect(c
return m_layerPositionAtLastLayout + offset - m_stickyOffsetAtLastLayout;
}
+TextStream& operator<<(TextStream& ts, const FixedPositionViewportConstraints& constraints)
+{
+ ts.dumpProperty("viewport-rect-at-last-layout", constraints.viewportRectAtLastLayout());
+ ts.dumpProperty("layer-position-at-last-layout", constraints.layerPositionAtLastLayout());
+
+ return ts;
+}
+
+TextStream& operator<<(TextStream& ts, const StickyPositionViewportConstraints& constraints)
+{
+ ts.dumpProperty("sticky-position-at-last-layout", constraints.stickyOffsetAtLastLayout());
+ ts.dumpProperty("layer-position-at-last-layout", constraints.layerPositionAtLastLayout());
+
+ return ts;
+}
+
} // namespace WebCore