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
30 namespace WebCore {
31
32 class SVGAnimatedProperty;
33 class SVGAnimatedType;
34 class SVGAnimatedTypeAnimator;
35
36 class SVGAnimateElement : public SVGAnimationElement {
37 public:
38 static PassRefPtr<SVGAnimateElement> create(Document&);
39 virtual ~SVGAnimateElement();
40
41 AnimatedPropertyType determineAnimatedPropertyType(SVGElement*) const;
42
43 protected:
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
62 private:
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
isSVGAnimateElement(const Node & node)78 inline 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
86 DEFINE_NODE_TYPE_CASTS_WITH_FUNCTION(SVGAnimateElement);
87
88 } // namespace WebCore
89
90 #endif // SVGAnimateElement_h
91