• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
3  * Copyright (C) 2004, 2005, 2007 Rob Buis <buis@kde.org>
4  * Copyright (C) 2009 Google, Inc.  All rights reserved.
5  * Copyright (C) 2009 Apple Inc. All rights reserved.
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Library General Public
9  * License as published by the Free Software Foundation; either
10  * version 2 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Library General Public License for more details.
16  *
17  * You should have received a copy of the GNU Library General Public License
18  * along with this library; see the file COPYING.LIB.  If not, write to
19  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20  * Boston, MA 02110-1301, USA.
21  */
22 
23 #ifndef RenderSVGContainer_h
24 #define RenderSVGContainer_h
25 
26 #if ENABLE(SVG)
27 
28 #include "RenderSVGModelObject.h"
29 
30 namespace WebCore {
31 
32 class SVGElement;
33 
34 class RenderSVGContainer : public RenderSVGModelObject {
35 public:
36     explicit RenderSVGContainer(SVGStyledElement*);
37     virtual ~RenderSVGContainer();
38 
children()39     const RenderObjectChildList* children() const { return &m_children; }
children()40     RenderObjectChildList* children() { return &m_children; }
41 
42     virtual void paint(PaintInfo&, int parentX, int parentY);
setNeedsBoundariesUpdate()43     virtual void setNeedsBoundariesUpdate() { m_needsBoundariesUpdate = true; }
44 
45 protected:
virtualChildren()46     virtual RenderObjectChildList* virtualChildren() { return children(); }
virtualChildren()47     virtual const RenderObjectChildList* virtualChildren() const { return children(); }
48 
isSVGContainer()49     virtual bool isSVGContainer() const { return true; }
renderName()50     virtual const char* renderName() const { return "RenderSVGContainer"; }
51 
52     virtual void layout();
53 
54     virtual void addFocusRingRects(Vector<IntRect>&, int tx, int ty);
55 
objectBoundingBox()56     virtual FloatRect objectBoundingBox() const { return m_objectBoundingBox; }
strokeBoundingBox()57     virtual FloatRect strokeBoundingBox() const { return m_strokeBoundingBox; }
repaintRectInLocalCoordinates()58     virtual FloatRect repaintRectInLocalCoordinates() const { return m_repaintBoundingBox; }
59 
60     virtual bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint& pointInParent, HitTestAction);
61 
62     // Allow RenderSVGTransformableContainer to hook in at the right time in layout()
calculateLocalTransform()63     virtual bool calculateLocalTransform() { return false; }
64 
65     // Allow RenderSVGViewportContainer to hook in at the right times in layout(), paint() and nodeAtFloatPoint()
calcViewport()66     virtual void calcViewport() { }
applyViewportClip(PaintInfo &)67     virtual void applyViewportClip(PaintInfo&) { }
pointIsInsideViewportClip(const FloatPoint &)68     virtual bool pointIsInsideViewportClip(const FloatPoint& /*pointInParent*/) { return true; }
69 
70     bool selfWillPaint();
71     void updateCachedBoundaries();
72 
73 private:
74     RenderObjectChildList m_children;
75     FloatRect m_objectBoundingBox;
76     FloatRect m_strokeBoundingBox;
77     FloatRect m_repaintBoundingBox;
78     bool m_needsBoundariesUpdate : 1;
79 };
80 
toRenderSVGContainer(RenderObject * object)81 inline RenderSVGContainer* toRenderSVGContainer(RenderObject* object)
82 {
83     // Note: isSVGContainer is also true for RenderSVGViewportContainer, which is not derived from this.
84     ASSERT(!object || (object->isSVGContainer() && strcmp(object->renderName(), "RenderSVGViewportContainer")));
85     return static_cast<RenderSVGContainer*>(object);
86 }
87 
toRenderSVGContainer(const RenderObject * object)88 inline const RenderSVGContainer* toRenderSVGContainer(const RenderObject* object)
89 {
90     // Note: isSVGContainer is also true for RenderSVGViewportContainer, which is not derived from this.
91     ASSERT(!object || (object->isSVGContainer() && strcmp(object->renderName(), "RenderSVGViewportContainer")));
92     return static_cast<const RenderSVGContainer*>(object);
93 }
94 
95 // This will catch anyone doing an unnecessary cast.
96 void toRenderSVGContainer(const RenderSVGContainer*);
97 
98 } // namespace WebCore
99 
100 #endif // ENABLE(SVG)
101 #endif // RenderSVGContainer_h
102