1/*
2 * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
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#ifndef SVGTextPathElement_h
21#define SVGTextPathElement_h
22
23#include "core/SVGNames.h"
24#include "core/svg/SVGTextContentElement.h"
25#include "core/svg/SVGURIReference.h"
26
27namespace blink {
28
29enum SVGTextPathMethodType {
30    SVGTextPathMethodUnknown = 0,
31    SVGTextPathMethodAlign,
32    SVGTextPathMethodStretch
33};
34
35enum SVGTextPathSpacingType {
36    SVGTextPathSpacingUnknown = 0,
37    SVGTextPathSpacingAuto,
38    SVGTextPathSpacingExact
39};
40
41template<> const SVGEnumerationStringEntries& getStaticStringEntries<SVGTextPathMethodType>();
42template<> const SVGEnumerationStringEntries& getStaticStringEntries<SVGTextPathSpacingType>();
43
44class SVGTextPathElement FINAL : public SVGTextContentElement,
45                                 public SVGURIReference {
46    DEFINE_WRAPPERTYPEINFO();
47public:
48    // Forward declare enumerations in the W3C naming scheme, for IDL generation.
49    enum {
50        TEXTPATH_METHODTYPE_UNKNOWN = SVGTextPathMethodUnknown,
51        TEXTPATH_METHODTYPE_ALIGN = SVGTextPathMethodAlign,
52        TEXTPATH_METHODTYPE_STRETCH = SVGTextPathMethodStretch,
53        TEXTPATH_SPACINGTYPE_UNKNOWN = SVGTextPathSpacingUnknown,
54        TEXTPATH_SPACINGTYPE_AUTO = SVGTextPathSpacingAuto,
55        TEXTPATH_SPACINGTYPE_EXACT = SVGTextPathSpacingExact
56    };
57
58    DECLARE_NODE_FACTORY(SVGTextPathElement);
59
60    SVGAnimatedLength* startOffset() const { return m_startOffset.get(); }
61    SVGAnimatedEnumeration<SVGTextPathMethodType>* method() { return m_method.get(); }
62    SVGAnimatedEnumeration<SVGTextPathSpacingType>* spacing() { return m_spacing.get(); }
63
64private:
65    explicit SVGTextPathElement(Document&);
66
67    virtual ~SVGTextPathElement();
68
69    void clearResourceReferences();
70
71    virtual void buildPendingResource() OVERRIDE;
72    virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE;
73    virtual void removedFrom(ContainerNode*) OVERRIDE;
74
75    bool isSupportedAttribute(const QualifiedName&);
76    virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
77    virtual void svgAttributeChanged(const QualifiedName&) OVERRIDE;
78
79    virtual RenderObject* createRenderer(RenderStyle*) OVERRIDE;
80    virtual bool rendererIsNeeded(const RenderStyle&) OVERRIDE;
81
82    virtual bool selfHasRelativeLengths() const OVERRIDE;
83
84    RefPtr<SVGAnimatedLength> m_startOffset;
85    RefPtr<SVGAnimatedEnumeration<SVGTextPathMethodType> > m_method;
86    RefPtr<SVGAnimatedEnumeration<SVGTextPathSpacingType> > m_spacing;
87};
88
89} // namespace blink
90
91#endif // SVGTextPathElement_h
92