| /* |
| * 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 "SVGAnimatedBoolean.h" |
| #include "SVGExternalResourcesRequired.h" |
| #include "SVGSMILElement.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 |
| 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 isTargetAttributeCSSProperty(SVGElement*, const QualifiedName&); |
| |
| protected: |
| SVGAnimationElement(const QualifiedName&, Document*); |
| |
| virtual void parseMappedAttribute(Attribute*); |
| |
| 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; |
| |
| String targetAttributeBaseValue() const; |
| void setTargetAttributeAnimatedValue(const String&); |
| |
| 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 void attributeChanged(Attribute*, bool preserveDecls); |
| virtual void synchronizeProperty(const QualifiedName&); |
| |
| 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; |
| unsigned calculateKeyTimesIndex(float percent) const; |
| |
| // Animated property declarations |
| |
| // SVGExternalResourcesRequired |
| DECLARE_ANIMATED_BOOLEAN(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 |