WebCore/rendering/RenderSVGContainer.h
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/rendering/RenderSVGContainer.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,99 @@
+/*
+    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 RenderSVGContainer_h
+#define RenderSVGContainer_h
+
+#if ENABLE(SVG)
+
+#include "RenderSVGModelObject.h"
+
+namespace WebCore {
+
+class SVGElement;
+
+class RenderSVGContainer : public RenderSVGModelObject {
+public:
+    RenderSVGContainer(SVGStyledElement*);
+
+    const RenderObjectChildList* children() const { return &m_children; }
+    RenderObjectChildList* children() { return &m_children; }
+
+    // <marker> uses these methods to only allow drawing children during a special marker draw time
+    void setDrawsContents(bool drawsContents) { m_drawsContents = drawsContents; }
+    bool drawsContents() const { return m_drawsContents; }
+
+    virtual void paint(PaintInfo&, int parentX, int parentY);
+
+protected:
+    virtual RenderObjectChildList* virtualChildren() { return children(); }
+    virtual const RenderObjectChildList* virtualChildren() const { return children(); }
+
+    virtual bool isSVGContainer() const { return true; }
+    virtual const char* renderName() const { return "RenderSVGContainer"; }
+
+    virtual void layout();
+
+    virtual void addFocusRingRects(Vector<IntRect>&, int tx, int ty);
+
+    virtual FloatRect objectBoundingBox() const;
+    virtual FloatRect strokeBoundingBox() const;
+    virtual FloatRect repaintRectInLocalCoordinates() const;
+
+    virtual bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint& pointInParent, HitTestAction);
+
+    // Allow RenderSVGTransformableContainer to hook in at the right time in layout()
+    virtual void calculateLocalTransform() { }
+
+    // Allow RenderSVGViewportContainer to hook in at the right times in layout(), paint() and nodeAtFloatPoint()
+    virtual void calcViewport() { }
+    virtual void applyViewportClip(PaintInfo&) { }
+    virtual bool pointIsInsideViewportClip(const FloatPoint& /*pointInParent*/) { return true; }
+
+    bool selfWillPaint() const;
+
+private:
+    RenderObjectChildList m_children;
+    bool m_drawsContents : 1;
+};
+  
+inline RenderSVGContainer* toRenderSVGContainer(RenderObject* object)
+{
+    // Note: isSVGContainer is also true for RenderSVGViewportContainer, which is not derived from this.
+    ASSERT(!object || (object->isSVGContainer() && strcmp(object->renderName(), "RenderSVGViewportContainer")));
+    return static_cast<RenderSVGContainer*>(object);
+}
+
+inline const RenderSVGContainer* toRenderSVGContainer(const RenderObject* object)
+{
+    // Note: isSVGContainer is also true for RenderSVGViewportContainer, which is not derived from this.
+    ASSERT(!object || (object->isSVGContainer() && strcmp(object->renderName(), "RenderSVGViewportContainer")));
+    return static_cast<const RenderSVGContainer*>(object);
+}
+
+// This will catch anyone doing an unnecessary cast.
+void toRenderSVGContainer(const RenderSVGContainer*);
+
+} // namespace WebCore
+
+#endif // ENABLE(SVG)
+#endif // RenderSVGContainer_h