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