/* | |
Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org> | |
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(MappedAttribute*); | |
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 |