summaryrefslogtreecommitdiffstats
path: root/Source/WebCore/svg/SVGElement.h
blob: 380fa0e8a9291b94a94b94cbbfcf3571e3bde079 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
/*
 * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
 * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
 * Copyright (C) 2009 Apple Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#ifndef SVGElement_h
#define SVGElement_h

#if ENABLE(SVG)
#include "SVGLocatable.h"
#include "StyledElement.h"
#include <wtf/HashMap.h>

namespace WebCore {

enum AnimatedAttributeType {
    AnimatedAngle,
    AnimatedBoolean,
    AnimatedColor,
    AnimatedEnumeration,
    AnimatedInteger,
    AnimatedLength,
    AnimatedLengthList,
    AnimatedNumber,
    AnimatedNumberList,
    AnimatedNumberOptionalNumber,
    AnimatedPath,
    AnimatedPoints,
    AnimatedPreserveAspectRatio,
    AnimatedRect,
    AnimatedString,
    AnimatedTransformList,
    AnimatedUnknown
};

typedef HashMap<QualifiedName, AnimatedAttributeType> AttributeToPropertyTypeMap;

class CSSCursorImageValue;
class Document;
class SVGCursorElement;
class SVGDocumentExtensions;
class SVGElementInstance;
class SVGElementRareData;
class SVGSVGElement;
class AffineTransform;

class SVGElement : public StyledElement {
public:
    static PassRefPtr<SVGElement> create(const QualifiedName&, Document*);
    virtual ~SVGElement();

    String xmlbase() const;
    void setXmlbase(const String&, ExceptionCode&);

    SVGSVGElement* ownerSVGElement() const;
    SVGElement* viewportElement() const;

    SVGDocumentExtensions* accessDocumentSVGExtensions() const;

    virtual bool isStyled() const { return false; }
    virtual bool isStyledTransformable() const { return false; }
    virtual bool isStyledLocatable() const { return false; }
    virtual bool isSVG() const { return false; }
    virtual bool isFilterEffect() const { return false; }
    virtual bool isGradientStop() const { return false; }
    virtual bool isTextContent() const { return false; }

    // For SVGTests
    virtual bool isValid() const { return true; }

    virtual void svgAttributeChanged(const QualifiedName&) { }
    virtual void synchronizeProperty(const QualifiedName&) { }

    virtual AttributeToPropertyTypeMap& attributeToPropertyTypeMap();
    AnimatedAttributeType animatedPropertyTypeForAttribute(const QualifiedName&);

    virtual void fillAttributeToPropertyTypeMap() { }

    void sendSVGLoadEventIfPossible(bool sendParentLoadEvents = false);

    virtual AffineTransform* supplementalTransform() { return 0; }

    void invalidateSVGAttributes() { clearAreSVGAttributesValid(); }

    const HashSet<SVGElementInstance*>& instancesForElement() const;

    bool boundingBox(FloatRect&, SVGLocatable::StyleUpdateStrategy = SVGLocatable::AllowStyleUpdate) const;

    void setCursorElement(SVGCursorElement*);
    void cursorElementRemoved();
    void setCursorImageValue(CSSCursorImageValue*);
    void cursorImageValueRemoved();

    virtual void updateAnimatedSVGAttribute(const QualifiedName&) const;

protected:
    SVGElement(const QualifiedName&, Document*);

    virtual void parseMappedAttribute(Attribute*);

    virtual void finishParsingChildren();
    virtual void insertedIntoDocument();
    virtual void attributeChanged(Attribute*, bool preserveDecls = false);
    virtual bool childShouldCreateRenderer(Node*) const;
    
    virtual void removedFromDocument();

    SVGElementRareData* rareSVGData() const;
    SVGElementRareData* ensureRareSVGData();

private:
    friend class SVGElementInstance;

    virtual bool rendererIsNeeded(RenderStyle*) { return false; }

    virtual bool isSupported(StringImpl* feature, StringImpl* version) const;

    virtual bool needsPendingResourceHandling() const { return true; }
    virtual void buildPendingResource() { }

    void mapInstanceToElement(SVGElementInstance*);
    void removeInstanceMapping(SVGElementInstance*);

    virtual bool haveLoadedRequiredResources();
};

}

#endif
#endif