Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 120 insertions, 0 deletions

diff --git a/Source/WebCore/rendering/RenderSVGRoot.h b/Source/WebCore/rendering/RenderSVGRoot.h
new file mode 100644
index 0000000..1b6aa22
--- /dev/null
+++ b/Source/WebCore/rendering/RenderSVGRoot.h
@@ -0,0 +1,120 @@
+/*
+    Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
+                  2004, 2005, 2007 Rob Buis <buis@kde.org>
+    Copyright (C) 2009 Google, Inc.  All rights reserved.
+    Copyright (C) 2009 Apple Inc. 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
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    aint with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+
+#ifndef RenderSVGRoot_h
+#define RenderSVGRoot_h
+
+#if ENABLE(SVG)
+#include "RenderBox.h"
+#include "FloatRect.h"
+#include "SVGRenderSupport.h"
+
+namespace WebCore {
+
+class SVGStyledElement;
+class AffineTransform;
+
+class RenderSVGRoot : public RenderBox {
+public:
+    explicit RenderSVGRoot(SVGStyledElement*);
+    virtual ~RenderSVGRoot();
+
+    const RenderObjectChildList* children() const { return &m_children; }
+    RenderObjectChildList* children() { return &m_children; }
+
+    bool isLayoutSizeChanged() const { return m_isLayoutSizeChanged; }
+    virtual void setNeedsBoundariesUpdate() { m_needsBoundariesOrTransformUpdate = true; }
+    virtual void setNeedsTransformUpdate() { m_needsBoundariesOrTransformUpdate = true; }
+
+private:
+    virtual RenderObjectChildList* virtualChildren() { return children(); }
+    virtual const RenderObjectChildList* virtualChildren() const { return children(); }
+
+    virtual bool isSVGRoot() const { return true; }
+    virtual const char* renderName() const { return "RenderSVGRoot"; }
+
+    virtual void computePreferredLogicalWidths();
+    virtual int computeReplacedLogicalWidth(bool includeMaxWidth = true) const;
+    virtual int computeReplacedLogicalHeight() const;
+    virtual void layout();
+    virtual void paint(PaintInfo&, int parentX, int parentY);
+
+    virtual void destroy();
+    virtual void styleWillChange(StyleDifference, const RenderStyle* newStyle);
+    virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);
+    virtual void updateFromElement();
+
+    virtual const AffineTransform& localToParentTransform() const;
+
+    bool fillContains(const FloatPoint&) const;
+    bool strokeContains(const FloatPoint&) const;
+
+    virtual FloatRect objectBoundingBox() const { return m_objectBoundingBox; }
+    virtual FloatRect strokeBoundingBox() const { return m_strokeBoundingBox; }
+    virtual FloatRect repaintRectInLocalCoordinates() const { return m_repaintBoundingBox; }
+
+    virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int x, int y, int tx, int ty, HitTestAction);
+
+    virtual IntRect clippedOverflowRectForRepaint(RenderBoxModelObject* repaintContainer);
+    virtual void computeRectForRepaint(RenderBoxModelObject* repaintContainer, IntRect& repaintRect, bool fixed);
+
+    virtual void mapLocalToContainer(RenderBoxModelObject* repaintContainer, bool useTransforms, bool fixed, TransformState&) const;
+
+    void calcViewport();
+
+    bool selfWillPaint();
+    void updateCachedBoundaries();
+
+    IntSize parentOriginToBorderBox() const;
+    IntSize borderOriginToContentBox() const;
+    AffineTransform localToRepaintContainerTransform(const IntPoint& parentOriginInContainer) const;
+    AffineTransform localToBorderBoxTransform() const;
+
+    RenderObjectChildList m_children;
+    FloatSize m_viewportSize;
+    FloatRect m_objectBoundingBox;
+    FloatRect m_strokeBoundingBox;
+    FloatRect m_repaintBoundingBox;
+    mutable AffineTransform m_localToParentTransform;
+    bool m_isLayoutSizeChanged : 1;
+    bool m_needsBoundariesOrTransformUpdate : 1;
+};
+
+inline RenderSVGRoot* toRenderSVGRoot(RenderObject* object)
+{ 
+    ASSERT(!object || object->isSVGRoot());
+    return static_cast<RenderSVGRoot*>(object);
+}
+
+inline const RenderSVGRoot* toRenderSVGRoot(const RenderObject* object)
+{ 
+    ASSERT(!object || object->isSVGRoot());
+    return static_cast<const RenderSVGRoot*>(object);
+}
+
+// This will catch anyone doing an unnecessary cast.
+void toRenderSVGRoot(const RenderSVGRoot*);
+
+} // namespace WebCore
+
+#endif // ENABLE(SVG)
+#endif // RenderSVGRoot_h