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#if ENABLE(SVG)
25#include "RenderSVGInline.h"
26
27#include "RenderSVGInlineText.h"
28#include "RenderSVGResource.h"
29#include "RenderSVGText.h"
30#include "SVGInlineFlowBox.h"
31#include "SVGResourcesCache.h"
32
33namespace WebCore {
34
35RenderSVGInline::RenderSVGInline(Element* element)
36    : RenderInline(element)
37{
38    setAlwaysCreateLineBoxes();
39}
40
41InlineFlowBox* RenderSVGInline::createInlineFlowBox()
42{
43    InlineFlowBox* box = new (renderArena()) SVGInlineFlowBox(this);
44    box->setHasVirtualLogicalHeight();
45    return box;
46}
47
48FloatRect RenderSVGInline::objectBoundingBox() const
49{
50    if (const RenderObject* object = RenderSVGText::locateRenderSVGTextAncestor(this))
51        return object->objectBoundingBox();
52
53    return FloatRect();
54}
55
56FloatRect RenderSVGInline::strokeBoundingBox() const
57{
58    if (const RenderObject* object = RenderSVGText::locateRenderSVGTextAncestor(this))
59        return object->strokeBoundingBox();
60
61    return FloatRect();
62}
63
64FloatRect RenderSVGInline::repaintRectInLocalCoordinates() const
65{
66    if (const RenderObject* object = RenderSVGText::locateRenderSVGTextAncestor(this))
67        return object->repaintRectInLocalCoordinates();
68
69    return FloatRect();
70}
71
72LayoutRect RenderSVGInline::clippedOverflowRectForRepaint(const RenderLayerModelObject* repaintContainer) const
73{
74    return SVGRenderSupport::clippedOverflowRectForRepaint(this, repaintContainer);
75}
76
77void RenderSVGInline::computeFloatRectForRepaint(const RenderLayerModelObject* repaintContainer, FloatRect& repaintRect, bool fixed) const
78{
79    SVGRenderSupport::computeFloatRectForRepaint(this, repaintContainer, repaintRect, fixed);
80}
81
82void RenderSVGInline::mapLocalToContainer(const RenderLayerModelObject* repaintContainer, TransformState& transformState, MapCoordinatesFlags, bool* wasFixed) const
83{
84    SVGRenderSupport::mapLocalToContainer(this, repaintContainer, transformState, wasFixed);
85}
86
87const RenderObject* RenderSVGInline::pushMappingToContainer(const RenderLayerModelObject* ancestorToStopAt, RenderGeometryMap& geometryMap) const
88{
89    return SVGRenderSupport::pushMappingToContainer(this, ancestorToStopAt, geometryMap);
90}
91
92void RenderSVGInline::absoluteQuads(Vector<FloatQuad>& quads, bool* wasFixed) const
93{
94    const RenderObject* object = RenderSVGText::locateRenderSVGTextAncestor(this);
95    if (!object)
96        return;
97
98    FloatRect textBoundingBox = object->strokeBoundingBox();
99    for (InlineFlowBox* box = firstLineBox(); box; box = box->nextLineBox())
100        quads.append(localToAbsoluteQuad(FloatRect(textBoundingBox.x() + box->x(), textBoundingBox.y() + box->y(), box->logicalWidth(), box->logicalHeight()), false, wasFixed));
101}
102
103void RenderSVGInline::willBeDestroyed()
104{
105    SVGResourcesCache::clientDestroyed(this);
106    RenderInline::willBeDestroyed();
107}
108
109void RenderSVGInline::styleWillChange(StyleDifference diff, const RenderStyle* newStyle)
110{
111    if (diff == StyleDifferenceLayout)
112        setNeedsBoundariesUpdate();
113    RenderInline::styleWillChange(diff, newStyle);
114}
115
116void RenderSVGInline::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
117{
118    RenderInline::styleDidChange(diff, oldStyle);
119    SVGResourcesCache::clientStyleChanged(this, diff, style());
120}
121
122void RenderSVGInline::addChild(RenderObject* child, RenderObject* beforeChild)
123{
124    RenderInline::addChild(child, beforeChild);
125    SVGResourcesCache::clientWasAddedToTree(child, child->style());
126
127    if (RenderSVGText* textRenderer = RenderSVGText::locateRenderSVGTextAncestor(this))
128        textRenderer->subtreeChildWasAdded(child);
129}
130
131void RenderSVGInline::removeChild(RenderObject* child)
132{
133    SVGResourcesCache::clientWillBeRemovedFromTree(child);
134
135    RenderSVGText* textRenderer = RenderSVGText::locateRenderSVGTextAncestor(this);
136    if (!textRenderer) {
137        RenderInline::removeChild(child);
138        return;
139    }
140    Vector<SVGTextLayoutAttributes*, 2> affectedAttributes;
141    textRenderer->subtreeChildWillBeRemoved(child, affectedAttributes);
142    RenderInline::removeChild(child);
143    textRenderer->subtreeChildWasRemoved(affectedAttributes);
144}
145
146}
147
148#endif // ENABLE(SVG)
149