Introducing LayoutObject::mapToVisibleRectInContainerSpace

third_party/WebKit/Source/core/layout/svg/LayoutSVGRoot.cpp

 /*
  * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2007, 2008, 2009 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Google, Inc.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 294 matching lines @@
     if (location().x())
         m_localToParentTransform.setE(m_localToParentTransform.e() + roundToInt(location().x()));
     if (location().y())
         m_localToParentTransform.setF(m_localToParentTransform.f() + roundToInt(location().y()));
     return m_localToParentTransform;
 }
 
 LayoutRect LayoutSVGRoot::clippedOverflowRectForPaintInvalidation(const LayoutBoxModelObject* paintInvalidationContainer, const PaintInvalidationState* paintInvalidationState) const
 {
     // This is an open-coded aggregate of SVGLayoutSupport::clippedOverflowRectForPaintInvalidation,
-    // LayoutSVGRoot::mapRectToPaintInvalidationBacking and LayoutReplaced::clippedOverflowRectForPaintInvalidation.
+    // LayoutSVGRoot::mapToVisibleRectInContainerSpace and LayoutReplaced::clippedOverflowRectForPaintInvalidation.
     // The reason for this is to optimize/minimize the paint invalidation rect when the box is not "decorated"
     // (does not have background/border/etc.)
 
     // Return early for any cases where we don't actually paint.
     if (style()->visibility() != VISIBLE && !enclosingLayer()->hasVisibleContent())
         return LayoutRect();
 
     // Compute the paint invalidation rect of the content of the SVG in the border-box coordinate space.
     FloatRect contentPaintInvalidationRect = paintInvalidationRectInLocalCoordinates();
     contentPaintInvalidationRect = m_localToBorderBoxTransform.mapRect(contentPaintInvalidationRect);
 
     // Apply initial viewport clip, overflow:visible content is added to visualOverflow
     // but the most common case is that overflow is hidden, so always intersect.
     contentPaintInvalidationRect.intersect(pixelSnappedBorderBoxRect());
 
     LayoutRect paintInvalidationRect = enclosingLayoutRect(contentPaintInvalidationRect);
     // If the box is decorated or is overflowing, extend it to include the border-box and overflow.
     if (m_hasBoxDecorationBackground || hasOverflowModel()) {
         // The selectionRect can project outside of the overflowRect, so take their union
         // for paint invalidation to avoid selection painting glitches.
         LayoutRect decoratedPaintInvalidationRect = unionRect(localSelectionRect(), visualOverflowRect());
         paintInvalidationRect.unite(decoratedPaintInvalidationRect);
     }
 
     // Compute the paint invalidation rect in the parent coordinate space.
     LayoutRect rect(enclosingIntRect(paintInvalidationRect));
-    LayoutReplaced::mapRectToPaintInvalidationBacking(paintInvalidationContainer, rect, paintInvalidationState);
+    LayoutReplaced::mapToVisibleRectInContainerSpace(paintInvalidationContainer, rect, paintInvalidationState);
     return rect;
 }
 
-void LayoutSVGRoot::mapRectToPaintInvalidationBacking(const LayoutBoxModelObject* paintInvalidationContainer, LayoutRect& rect, const PaintInvalidationState* paintInvalidationState) const
+void LayoutSVGRoot::mapToVisibleRectInContainerSpace(const LayoutBoxModelObject* paintInvalidationContainer, LayoutRect& rect, const PaintInvalidationState* paintInvalidationState) const
 {
     // Note that we don't apply the border-box transform here - it's assumed
     // that whoever called us has done that already.
 
     // Apply initial viewport clip
     if (shouldApplyViewportClip())
         rect.intersect(LayoutRect(pixelSnappedBorderBoxRect()));
 
-    LayoutReplaced::mapRectToPaintInvalidationBacking(paintInvalidationContainer, rect, paintInvalidationState);
+    LayoutReplaced::mapToVisibleRectInContainerSpace(paintInvalidationContainer, rect, paintInvalidationState);
 }
 
 // This method expects local CSS box coordinates.
 // Callers with local SVG viewport coordinates should first apply the localToBorderBoxTransform
 // to convert from SVG viewport coordinates to local CSS box coordinates.
 void LayoutSVGRoot::mapLocalToContainer(const LayoutBoxModelObject* paintInvalidationContainer, TransformState& transformState, MapCoordinatesFlags mode, bool* wasFixed, const PaintInvalidationState* paintInvalidationState) const
 {
     ASSERT(mode & ~IsFixed); // We should have no fixed content in the SVG layout tree.
 
     LayoutReplaced::mapLocalToContainer(paintInvalidationContainer, transformState, mode | ApplyContainerFlip, wasFixed, paintInvalidationState);
@@ skipping 45 matching lines @@
             updateHitTestResult(result, pointInBorderBox);
             if (!result.addNodeToListBasedTestResult(node(), locationInContainer, boundsRect))
                 return true;
         }
     }
 
     return false;
 }
 
 }