diff -r 000000000000 -r 4f2f89ce4247 WebCore/svg/SVGAnimationElement.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/svg/SVGAnimationElement.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,125 @@
+/*
+    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(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