1 /*
2 * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
3 * Copyright (C) 2006 Apple Inc. All rights reserved.
4 * Copyright (C) Research In Motion Limited 2010. All rights reserved.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 */
21
22 #include "config.h"
23
24 #include "core/rendering/svg/RenderSVGInline.h"
25
26 #include "core/rendering/svg/RenderSVGText.h"
27 #include "core/rendering/svg/SVGInlineFlowBox.h"
28 #include "core/rendering/svg/SVGRenderSupport.h"
29 #include "core/rendering/svg/SVGResourcesCache.h"
30 #include "core/svg/SVGAElement.h"
31
32 namespace WebCore {
33
isChildAllowed(RenderObject * child,RenderStyle * style) const34 bool RenderSVGInline::isChildAllowed(RenderObject* child, RenderStyle* style) const
35 {
36 if (child->isText())
37 return SVGRenderSupport::isRenderableTextNode(child);
38
39 if (isSVGAElement(*node())) {
40 // Disallow direct descendant 'a'.
41 if (isSVGAElement(*child->node()))
42 return false;
43 }
44
45 if (!child->isSVGInline() && !child->isSVGInlineText())
46 return false;
47
48 return RenderInline::isChildAllowed(child, style);
49 }
50
RenderSVGInline(Element * element)51 RenderSVGInline::RenderSVGInline(Element* element)
52 : RenderInline(element)
53 {
54 setAlwaysCreateLineBoxes();
55 }
56
createInlineFlowBox()57 InlineFlowBox* RenderSVGInline::createInlineFlowBox()
58 {
59 InlineFlowBox* box = new SVGInlineFlowBox(*this);
60 box->setHasVirtualLogicalHeight();
61 return box;
62 }
63
objectBoundingBox() const64 FloatRect RenderSVGInline::objectBoundingBox() const
65 {
66 if (const RenderObject* object = RenderSVGText::locateRenderSVGTextAncestor(this))
67 return object->objectBoundingBox();
68
69 return FloatRect();
70 }
71
strokeBoundingBox() const72 FloatRect RenderSVGInline::strokeBoundingBox() const
73 {
74 if (const RenderObject* object = RenderSVGText::locateRenderSVGTextAncestor(this))
75 return object->strokeBoundingBox();
76
77 return FloatRect();
78 }
79
paintInvalidationRectInLocalCoordinates() const80 FloatRect RenderSVGInline::paintInvalidationRectInLocalCoordinates() const
81 {
82 if (const RenderObject* object = RenderSVGText::locateRenderSVGTextAncestor(this))
83 return object->paintInvalidationRectInLocalCoordinates();
84
85 return FloatRect();
86 }
87
clippedOverflowRectForPaintInvalidation(const RenderLayerModelObject * paintInvalidationContainer) const88 LayoutRect RenderSVGInline::clippedOverflowRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer) const
89 {
90 return SVGRenderSupport::clippedOverflowRectForRepaint(this, paintInvalidationContainer);
91 }
92
computeFloatRectForPaintInvalidation(const RenderLayerModelObject * paintInvalidationContainer,FloatRect & paintInvalidationRect,bool fixed) const93 void RenderSVGInline::computeFloatRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, FloatRect& paintInvalidationRect, bool fixed) const
94 {
95 SVGRenderSupport::computeFloatRectForRepaint(this, paintInvalidationContainer, paintInvalidationRect, fixed);
96 }
97
mapLocalToContainer(const RenderLayerModelObject * repaintContainer,TransformState & transformState,MapCoordinatesFlags,bool * wasFixed) const98 void RenderSVGInline::mapLocalToContainer(const RenderLayerModelObject* repaintContainer, TransformState& transformState, MapCoordinatesFlags, bool* wasFixed) const
99 {
100 SVGRenderSupport::mapLocalToContainer(this, repaintContainer, transformState, wasFixed);
101 }
102
pushMappingToContainer(const RenderLayerModelObject * ancestorToStopAt,RenderGeometryMap & geometryMap) const103 const RenderObject* RenderSVGInline::pushMappingToContainer(const RenderLayerModelObject* ancestorToStopAt, RenderGeometryMap& geometryMap) const
104 {
105 return SVGRenderSupport::pushMappingToContainer(this, ancestorToStopAt, geometryMap);
106 }
107
absoluteQuads(Vector<FloatQuad> & quads,bool * wasFixed) const108 void RenderSVGInline::absoluteQuads(Vector<FloatQuad>& quads, bool* wasFixed) const
109 {
110 const RenderObject* object = RenderSVGText::locateRenderSVGTextAncestor(this);
111 if (!object)
112 return;
113
114 FloatRect textBoundingBox = object->strokeBoundingBox();
115 for (InlineFlowBox* box = firstLineBox(); box; box = box->nextLineBox())
116 quads.append(localToAbsoluteQuad(FloatRect(textBoundingBox.x() + box->x(), textBoundingBox.y() + box->y(), box->logicalWidth(), box->logicalHeight()), false, wasFixed));
117 }
118
willBeDestroyed()119 void RenderSVGInline::willBeDestroyed()
120 {
121 SVGResourcesCache::clientDestroyed(this);
122 RenderInline::willBeDestroyed();
123 }
124
styleDidChange(StyleDifference diff,const RenderStyle * oldStyle)125 void RenderSVGInline::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
126 {
127 if (diff.needsFullLayout())
128 setNeedsBoundariesUpdate();
129
130 RenderInline::styleDidChange(diff, oldStyle);
131 SVGResourcesCache::clientStyleChanged(this, diff, style());
132 }
133
addChild(RenderObject * child,RenderObject * beforeChild)134 void RenderSVGInline::addChild(RenderObject* child, RenderObject* beforeChild)
135 {
136 RenderInline::addChild(child, beforeChild);
137 SVGResourcesCache::clientWasAddedToTree(child, child->style());
138
139 if (RenderSVGText* textRenderer = RenderSVGText::locateRenderSVGTextAncestor(this))
140 textRenderer->subtreeChildWasAdded(child);
141 }
142
removeChild(RenderObject * child)143 void RenderSVGInline::removeChild(RenderObject* child)
144 {
145 SVGResourcesCache::clientWillBeRemovedFromTree(child);
146
147 RenderSVGText* textRenderer = RenderSVGText::locateRenderSVGTextAncestor(this);
148 if (!textRenderer) {
149 RenderInline::removeChild(child);
150 return;
151 }
152 Vector<SVGTextLayoutAttributes*, 2> affectedAttributes;
153 textRenderer->subtreeChildWillBeRemoved(child, affectedAttributes);
154 RenderInline::removeChild(child);
155 textRenderer->subtreeChildWasRemoved(affectedAttributes);
156 }
157
158 }
159