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
|
/*
* Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
* Copyright (C) 2007 Eric Seidel <eric@webkit.org>
* Copyright (C) 2008 Apple Inc. All rights reserved.
* Copyright (C) 2008 Cameron McCormack <cam@mcc.id.au>
*
* 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 SVGAnimationElement_h
#define SVGAnimationElement_h
#if ENABLE(SVG_ANIMATION)
#include "ElementTimeControl.h"
#include "Path.h"
#include "SMILTime.h"
#include "SVGSMILElement.h"
#include "SVGExternalResourcesRequired.h"
#include "SVGStringList.h"
#include "SVGTests.h"
#include "UnitBezier.h"
namespace WebCore {
class ConditionEventListener;
class TimeContainer;
class SVGAnimationElement : public SVGSMILElement,
public SVGTests,
public SVGExternalResourcesRequired,
public ElementTimeControl {
public:
SVGAnimationElement(const QualifiedName&, Document*);
virtual ~SVGAnimationElement();
virtual void parseMappedAttribute(Attribute*);
virtual void attributeChanged(Attribute*, bool preserveDecls);
virtual void synchronizeProperty(const QualifiedName&);
// SVGAnimationElement
float getStartTime() const;
float getCurrentTime() const;
float getSimpleDuration(ExceptionCode&) const;
// ElementTimeControl
virtual void beginElement();
virtual void beginElementAt(float offset);
virtual void endElement();
virtual void endElementAt(float offset);
static bool attributeIsCSS(const String& attributeName);
protected:
enum CalcMode { CalcModeDiscrete, CalcModeLinear, CalcModePaced, CalcModeSpline };
CalcMode calcMode() const;
enum AttributeType { AttributeTypeCSS, AttributeTypeXML, AttributeTypeAuto };
AttributeType attributeType() const;
String toValue() const;
String byValue() const;
String fromValue() const;
enum AnimationMode { NoAnimation, ToAnimation, ByAnimation, ValuesAnimation, FromToAnimation, FromByAnimation, PathAnimation };
AnimationMode animationMode() const;
virtual bool hasValidTarget() const;
String targetAttributeBaseValue() const;
void setTargetAttributeAnimatedValue(const String&);
bool targetAttributeIsCSS() const;
bool isAdditive() const;
bool isAccumulated() const;
// from SVGSMILElement
virtual void startedActiveInterval();
virtual void updateAnimation(float percent, unsigned repeat, SVGSMILElement* resultElement);
virtual void endedActiveInterval();
private:
virtual bool calculateFromAndToValues(const String& fromString, const String& toString) = 0;
virtual bool calculateFromAndByValues(const String& fromString, const String& byString) = 0;
virtual void calculateAnimatedValue(float percentage, unsigned repeat, SVGSMILElement* resultElement) = 0;
virtual float calculateDistance(const String& /*fromString*/, const String& /*toString*/) { return -1.f; }
virtual Path animationPath() const { return Path(); }
void currentValuesForValuesAnimation(float percent, float& effectivePercent, String& from, String& to) const;
void calculateKeyTimesForCalcModePaced();
float calculatePercentFromKeyPoints(float percent) const;
void currentValuesFromKeyPoints(float percent, float& effectivePercent, String& from, String& to) const;
float calculatePercentForSpline(float percent, unsigned splineIndex) const;
protected:
// SVGExternalResourcesRequired
DECLARE_ANIMATED_PROPERTY(SVGAnimationElement, SVGNames::externalResourcesRequiredAttr, bool, ExternalResourcesRequired, externalResourcesRequired)
bool m_animationValid;
Vector<String> m_values;
Vector<float> m_keyTimes;
Vector<float> m_keyPoints;
Vector<UnitBezier> m_keySplines;
String m_lastValuesAnimationFrom;
String m_lastValuesAnimationTo;
};
} // namespace WebCore
#endif // ENABLE(SVG)
#endif // SVGAnimationElement_h
|
