1/*
2 * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
4 * Copyright (C) 2008 Apple Inc. All rights reserved.
5 * Copyright (C) Research In Motion Limited 2011. All rights reserved.
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public License
18 * along with this library; see the file COPYING.LIB.  If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 */
22
23#ifndef SVGAnimateElement_h
24#define SVGAnimateElement_h
25
26#include "SVGNames.h"
27#include "core/svg/SVGAnimationElement.h"
28#include "wtf/OwnPtr.h"
29
30namespace WebCore {
31
32class SVGAnimatedProperty;
33class SVGAnimatedType;
34class SVGAnimatedTypeAnimator;
35
36class SVGAnimateElement : public SVGAnimationElement {
37public:
38    static PassRefPtr<SVGAnimateElement> create(Document&);
39    virtual ~SVGAnimateElement();
40
41    AnimatedPropertyType determineAnimatedPropertyType(SVGElement*) const;
42
43protected:
44    SVGAnimateElement(const QualifiedName&, Document&);
45
46    virtual void resetAnimatedType();
47    virtual void clearAnimatedType(SVGElement* targetElement);
48
49    virtual bool calculateToAtEndOfDurationValue(const String& toAtEndOfDurationString);
50    virtual bool calculateFromAndToValues(const String& fromString, const String& toString);
51    virtual bool calculateFromAndByValues(const String& fromString, const String& byString);
52    virtual void calculateAnimatedValue(float percentage, unsigned repeatCount, SVGSMILElement* resultElement);
53    virtual void applyResultsToTarget();
54    virtual float calculateDistance(const String& fromString, const String& toString);
55    virtual bool isAdditive() const OVERRIDE;
56
57    virtual void setTargetElement(SVGElement*) OVERRIDE;
58    virtual void setAttributeName(const QualifiedName&) OVERRIDE;
59
60    AnimatedPropertyType m_animatedPropertyType;
61
62private:
63    void resetAnimatedPropertyType();
64    SVGAnimatedTypeAnimator* ensureAnimator();
65    bool animatedPropertyTypeSupportsAddition() const;
66
67    virtual bool hasValidAttributeType();
68
69    OwnPtr<SVGAnimatedType> m_fromType;
70    OwnPtr<SVGAnimatedType> m_toType;
71    OwnPtr<SVGAnimatedType> m_toAtEndOfDurationType;
72    OwnPtr<SVGAnimatedType> m_animatedType;
73
74    SVGElementAnimatedPropertyList m_animatedProperties;
75    OwnPtr<SVGAnimatedTypeAnimator> m_animator;
76};
77
78inline bool isSVGAnimateElement(const Node& node)
79{
80    return node.hasTagName(SVGNames::animateTag)
81        || node.hasTagName(SVGNames::animateColorTag)
82        || node.hasTagName(SVGNames::animateTransformTag)
83        || node.hasTagName(SVGNames::setTag);
84}
85
86DEFINE_NODE_TYPE_CASTS_WITH_FUNCTION(SVGAnimateElement);
87
88} // namespace WebCore
89
90#endif // SVGAnimateElement_h
91