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4 : *
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9 : *
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11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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15 : * The Original Code is the Mozilla SVG project.
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36 :
37 : #ifndef MOZILLA_SVGVIEWBOXSMILTYPE_H_
38 : #define MOZILLA_SVGVIEWBOXSMILTYPE_H_
39 :
40 : #include "nsISMILType.h"
41 :
42 : class nsSMILValue;
43 :
44 : namespace mozilla {
45 :
46 : class SVGViewBoxSMILType : public nsISMILType
47 : {
48 : public:
49 : // Singleton for nsSMILValue objects to hold onto.
50 : static SVGViewBoxSMILType sSingleton;
51 :
52 : protected:
53 : // nsISMILType Methods
54 : // -------------------
55 : virtual void Init(nsSMILValue& aValue) const;
56 : virtual void Destroy(nsSMILValue&) const;
57 : virtual nsresult Assign(nsSMILValue& aDest, const nsSMILValue& aSrc) const;
58 : virtual bool IsEqual(const nsSMILValue& aLeft,
59 : const nsSMILValue& aRight) const;
60 : virtual nsresult Add(nsSMILValue& aDest, const nsSMILValue& aValueToAdd,
61 : PRUint32 aCount) const;
62 : virtual nsresult ComputeDistance(const nsSMILValue& aFrom,
63 : const nsSMILValue& aTo,
64 : double& aDistance) const;
65 : virtual nsresult Interpolate(const nsSMILValue& aStartVal,
66 : const nsSMILValue& aEndVal,
67 : double aUnitDistance,
68 : nsSMILValue& aResult) const;
69 :
70 : private:
71 : // Private constructor & destructor: prevent instances beyond my singleton,
72 : // and prevent others from deleting my singleton.
73 1464 : SVGViewBoxSMILType() {}
74 1487 : ~SVGViewBoxSMILType() {}
75 : };
76 :
77 : } // namespace mozilla
78 :
79 : #endif // MOZILLA_SVGVIEWBOXSMILTYPE_H_
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