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      1 /*
      2  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
      3  *
      4  * This library is free software; you can redistribute it and/or
      5  * modify it under the terms of the GNU Library General Public
      6  * License as published by the Free Software Foundation; either
      7  * version 2 of the License, or (at your option) any later version.
      8  *
      9  * This library is distributed in the hope that it will be useful,
     10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12  * Library General Public License for more details.
     13  *
     14  * You should have received a copy of the GNU Library General Public License
     15  * along with this library; see the file COPYING.LIB.  If not, write to
     16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     17  * Boston, MA 02110-1301, USA.
     18  */
     19 
     20 #ifndef SVGAnimatedPreserveAspectRatio_h
     21 #define SVGAnimatedPreserveAspectRatio_h
     22 
     23 #include "core/svg/SVGAnimatedTypeAnimator.h"
     24 #include "core/svg/SVGPreserveAspectRatio.h"
     25 #include "core/svg/properties/SVGAnimatedPropertyTearOff.h"
     26 
     27 namespace WebCore {
     28 
     29 typedef SVGAnimatedPropertyTearOff<SVGPreserveAspectRatio> SVGAnimatedPreserveAspectRatio;
     30 
     31 // Helper macros to declare/define a SVGAnimatedPreserveAspectRatio object
     32 #define DECLARE_ANIMATED_PRESERVEASPECTRATIO(UpperProperty, LowerProperty) \
     33 DECLARE_ANIMATED_PROPERTY(SVGAnimatedPreserveAspectRatio, SVGPreserveAspectRatio, UpperProperty, LowerProperty)
     34 
     35 #define DEFINE_ANIMATED_PRESERVEASPECTRATIO(OwnerType, DOMAttribute, UpperProperty, LowerProperty) \
     36 DEFINE_ANIMATED_PROPERTY(AnimatedPreserveAspectRatio, OwnerType, DOMAttribute, DOMAttribute.localName(), UpperProperty, LowerProperty, SVGAnimatedPreserveAspectRatio, SVGPreserveAspectRatio)
     37 
     38 class SVGAnimationElement;
     39 
     40 class SVGAnimatedPreserveAspectRatioAnimator : public SVGAnimatedTypeAnimator {
     41 public:
     42     SVGAnimatedPreserveAspectRatioAnimator(SVGAnimationElement*, SVGElement*);
     43     virtual ~SVGAnimatedPreserveAspectRatioAnimator() { }
     44 
     45     virtual PassOwnPtr<SVGAnimatedType> constructFromString(const String&);
     46     virtual PassOwnPtr<SVGAnimatedType> startAnimValAnimation(const SVGElementAnimatedPropertyList&);
     47     virtual void stopAnimValAnimation(const SVGElementAnimatedPropertyList&);
     48     virtual void resetAnimValToBaseVal(const SVGElementAnimatedPropertyList&, SVGAnimatedType*);
     49     virtual void animValWillChange(const SVGElementAnimatedPropertyList&);
     50     virtual void animValDidChange(const SVGElementAnimatedPropertyList&);
     51 
     52     virtual void addAnimatedTypes(SVGAnimatedType*, SVGAnimatedType*);
     53     virtual void calculateAnimatedValue(float percentage, unsigned repeatCount, SVGAnimatedType*, SVGAnimatedType*, SVGAnimatedType*, SVGAnimatedType*);
     54     virtual float calculateDistance(const String& fromString, const String& toString);
     55 };
     56 
     57 } // namespace WebCore
     58 
     59 #endif
     60