1/*
2 * Copyright (C) Research In Motion Limited 2010. All rights reserved.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB.  If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19
20#include "config.h"
21
22#if ENABLE(SVG)
23#include "SVGShadowTreeElements.h"
24
25#include "Document.h"
26#include "FloatSize.h"
27#include "RenderObject.h"
28#include "SVGNames.h"
29#include "SVGUseElement.h"
30
31namespace WebCore {
32
33// SVGShadowTreeContainerElement
34
35SVGShadowTreeContainerElement::SVGShadowTreeContainerElement(Document* document)
36    : SVGGElement(SVGNames::gTag, document)
37{
38}
39
40PassRefPtr<SVGShadowTreeContainerElement> SVGShadowTreeContainerElement::create(Document* document)
41{
42    return adoptRef(new SVGShadowTreeContainerElement(document));
43}
44
45FloatSize SVGShadowTreeContainerElement::containerTranslation() const
46{
47    return FloatSize(m_xOffset.value(this), m_yOffset.value(this));
48}
49
50PassRefPtr<Element> SVGShadowTreeContainerElement::cloneElementWithoutAttributesAndChildren() const
51{
52    return adoptRef(new SVGShadowTreeContainerElement(document()));
53}
54// SVGShadowTreeRootElement
55
56inline SVGShadowTreeRootElement::SVGShadowTreeRootElement(Document* document, SVGUseElement* host)
57    : SVGShadowTreeContainerElement(document)
58{
59    setParent(host);
60    setInDocument();
61}
62
63PassRefPtr<SVGShadowTreeRootElement> SVGShadowTreeRootElement::create(Document* document, SVGUseElement* host)
64{
65    return adoptRef(new SVGShadowTreeRootElement(document, host));
66}
67
68void SVGShadowTreeRootElement::attachElement(PassRefPtr<RenderStyle> style, RenderArena* arena)
69{
70    ASSERT(svgShadowHost());
71
72    // Create the renderer with the specified style
73    RenderObject* renderer = createRenderer(arena, style.get());
74    if (renderer) {
75        setRenderer(renderer);
76        renderer->setStyle(style);
77    }
78
79    // Set these explicitly since this normally happens during an attach()
80    setAttached();
81
82    // Add the renderer to the render tree
83    if (renderer)
84        svgShadowHost()->renderer()->addChild(renderer);
85}
86
87void SVGShadowTreeRootElement::clearSVGShadowHost()
88{
89    setParent(0);
90}
91
92}
93
94#endif
95