1 /*
2  * Copyright (c) 2009, Google Inc. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are
6  * met:
7  *
8  *     * Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  *     * Redistributions in binary form must reproduce the above
11  * copyright notice, this list of conditions and the following disclaimer
12  * in the documentation and/or other materials provided with the
13  * distribution.
14  *     * Neither the name of Google Inc. nor the names of its
15  * contributors may be used to endorse or promote products derived from
16  * this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #include "config.h"
32 
33 #if ENABLE(SVG)
34 #include "RenderSVGModelObject.h"
35 
36 #include "RenderSVGResource.h"
37 #include "SVGStyledElement.h"
38 
39 namespace WebCore {
40 
RenderSVGModelObject(SVGStyledElement * node)41 RenderSVGModelObject::RenderSVGModelObject(SVGStyledElement* node)
42     : RenderObject(node)
43 {
44 }
45 
clippedOverflowRectForRepaint(RenderBoxModelObject * repaintContainer)46 IntRect RenderSVGModelObject::clippedOverflowRectForRepaint(RenderBoxModelObject* repaintContainer)
47 {
48     return SVGRenderSupport::clippedOverflowRectForRepaint(this, repaintContainer);
49 }
50 
computeRectForRepaint(RenderBoxModelObject * repaintContainer,IntRect & repaintRect,bool fixed)51 void RenderSVGModelObject::computeRectForRepaint(RenderBoxModelObject* repaintContainer, IntRect& repaintRect, bool fixed)
52 {
53     SVGRenderSupport::computeRectForRepaint(this, repaintContainer, repaintRect, fixed);
54 }
55 
mapLocalToContainer(RenderBoxModelObject * repaintContainer,bool fixed,bool useTransforms,TransformState & transformState) const56 void RenderSVGModelObject::mapLocalToContainer(RenderBoxModelObject* repaintContainer, bool fixed , bool useTransforms, TransformState& transformState) const
57 {
58     SVGRenderSupport::mapLocalToContainer(this, repaintContainer, fixed, useTransforms, transformState);
59 }
60 
61 // Copied from RenderBox, this method likely requires further refactoring to work easily for both SVG and CSS Box Model content.
62 // FIXME: This may also need to move into SVGRenderSupport as the RenderBox version depends
63 // on borderBoundingBox() which SVG RenderBox subclases (like SVGRenderBlock) do not implement.
outlineBoundsForRepaint(RenderBoxModelObject * repaintContainer,IntPoint *) const64 IntRect RenderSVGModelObject::outlineBoundsForRepaint(RenderBoxModelObject* repaintContainer, IntPoint*) const
65 {
66     IntRect box = enclosingIntRect(repaintRectInLocalCoordinates());
67     adjustRectForOutlineAndShadow(box);
68 
69     FloatQuad containerRelativeQuad = localToContainerQuad(FloatRect(box), repaintContainer);
70     return containerRelativeQuad.enclosingBoundingBox();
71 }
72 
absoluteRects(Vector<IntRect> &,int,int)73 void RenderSVGModelObject::absoluteRects(Vector<IntRect>&, int, int)
74 {
75     // This code path should never be taken for SVG, as we're assuming useTransforms=true everywhere, absoluteQuads should be used.
76     ASSERT_NOT_REACHED();
77 }
78 
absoluteQuads(Vector<FloatQuad> & quads)79 void RenderSVGModelObject::absoluteQuads(Vector<FloatQuad>& quads)
80 {
81     quads.append(localToAbsoluteQuad(strokeBoundingBox()));
82 }
83 
destroy()84 void RenderSVGModelObject::destroy()
85 {
86     SVGResourcesCache::clientDestroyed(this);
87     RenderObject::destroy();
88 }
89 
styleWillChange(StyleDifference diff,const RenderStyle * newStyle)90 void RenderSVGModelObject::styleWillChange(StyleDifference diff, const RenderStyle* newStyle)
91 {
92     if (diff == StyleDifferenceLayout)
93         setNeedsBoundariesUpdate();
94     RenderObject::styleWillChange(diff, newStyle);
95 }
96 
styleDidChange(StyleDifference diff,const RenderStyle * oldStyle)97 void RenderSVGModelObject::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
98 {
99     RenderObject::styleDidChange(diff, oldStyle);
100     SVGResourcesCache::clientStyleChanged(this, diff, style());
101 }
102 
updateFromElement()103 void RenderSVGModelObject::updateFromElement()
104 {
105     RenderObject::updateFromElement();
106     SVGResourcesCache::clientUpdatedFromElement(this, style());
107 }
108 
nodeAtPoint(const HitTestRequest &,HitTestResult &,int,int,int,int,HitTestAction)109 bool RenderSVGModelObject::nodeAtPoint(const HitTestRequest&, HitTestResult&, int, int, int, int, HitTestAction)
110 {
111     ASSERT_NOT_REACHED();
112     return false;
113 }
114 
115 } // namespace WebCore
116 
117 #endif // ENABLE(SVG)
118