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 "core/SVGNames.h"
27#include "core/svg/SVGAnimatedTypeAnimator.h"
28#include "core/svg/SVGAnimationElement.h"
29#include "wtf/OwnPtr.h"
30
31namespace blink {
32
33class SVGAnimatedTypeAnimator;
34
35class SVGAnimateElement : public SVGAnimationElement {
36    DEFINE_WRAPPERTYPEINFO();
37public:
38    static PassRefPtrWillBeRawPtr<SVGAnimateElement> create(Document&);
39    virtual ~SVGAnimateElement();
40
41    virtual void trace(Visitor*) OVERRIDE;
42
43    AnimatedPropertyType animatedPropertyType();
44    bool animatedPropertyTypeSupportsAddition();
45
46protected:
47    SVGAnimateElement(const QualifiedName&, Document&);
48
49    virtual void resetAnimatedType() OVERRIDE FINAL;
50    virtual void clearAnimatedType(SVGElement* targetElement) OVERRIDE FINAL;
51
52    virtual bool calculateToAtEndOfDurationValue(const String& toAtEndOfDurationString) OVERRIDE FINAL;
53    virtual bool calculateFromAndToValues(const String& fromString, const String& toString) OVERRIDE FINAL;
54    virtual bool calculateFromAndByValues(const String& fromString, const String& byString) OVERRIDE FINAL;
55    virtual void calculateAnimatedValue(float percentage, unsigned repeatCount, SVGSMILElement* resultElement) OVERRIDE FINAL;
56    virtual void applyResultsToTarget() OVERRIDE FINAL;
57    virtual float calculateDistance(const String& fromString, const String& toString) OVERRIDE FINAL;
58    virtual bool isAdditive() OVERRIDE FINAL;
59
60    virtual void setTargetElement(SVGElement*) OVERRIDE FINAL;
61    virtual void setAttributeName(const QualifiedName&) OVERRIDE FINAL;
62
63private:
64    void resetAnimatedPropertyType();
65    SVGAnimatedTypeAnimator* ensureAnimator();
66
67    virtual bool hasValidAttributeType() OVERRIDE;
68
69    RefPtr<SVGPropertyBase> m_fromProperty;
70    RefPtr<SVGPropertyBase> m_toProperty;
71    RefPtr<SVGPropertyBase> m_toAtEndOfDurationProperty;
72    RefPtr<SVGPropertyBase> m_animatedProperty;
73
74    OwnPtrWillBeMember<SVGAnimatedTypeAnimator> m_animator;
75};
76
77inline bool isSVGAnimateElement(const SVGElement& element)
78{
79    return element.hasTagName(SVGNames::animateTag)
80        || element.hasTagName(SVGNames::animateTransformTag)
81        || element.hasTagName(SVGNames::setTag);
82}
83
84DEFINE_SVGELEMENT_TYPE_CASTS_WITH_FUNCTION(SVGAnimateElement);
85
86} // namespace blink
87
88#endif // SVGAnimateElement_h
89