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6 : * 1.1 (the "License"); you may not use this file except in compliance with
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15 : * The Original Code is the Mozilla SVG project.
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17 : * The Initial Developer of the Original Code is the Mozilla Corporation.
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22 : *
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36 :
37 : #ifndef MOZILLA_SVGORIENTSMILTYPE_H_
38 : #define MOZILLA_SVGORIENTSMILTYPE_H_
39 :
40 : #include "nsISMILType.h"
41 :
42 : class nsSMILValue;
43 :
44 : /**
45 : * This nsISMILType class is a special case for the 'orient' attribute on SVG's
46 : * 'marker' element.
47 : *
48 : * orient = "auto | <angle>"
49 : *
50 : * Unusually, this attribute doesn't have just a single corresponding DOM
51 : * property, but rather is split into two properties: 'orientType' (of type
52 : * SVGAnimatedEnumeration) and 'orientAngle' (of type SVGAnimatedAngle). If
53 : * 'orientType.animVal' is not SVG_MARKER_ORIENT_AUTO, then
54 : * 'orientAngle.animVal' contains the angle that is being used. The lacuna
55 : * value is 0.
56 : */
57 :
58 : namespace mozilla {
59 :
60 : class SVGOrientSMILType : public nsISMILType
61 : {
62 : public:
63 : // Singleton for nsSMILValue objects to hold onto.
64 : static SVGOrientSMILType sSingleton;
65 :
66 : protected:
67 : // nsISMILType Methods
68 : // -------------------
69 : virtual void Init(nsSMILValue& aValue) const;
70 : virtual void Destroy(nsSMILValue&) const;
71 : virtual nsresult Assign(nsSMILValue& aDest, const nsSMILValue& aSrc) const;
72 : virtual bool IsEqual(const nsSMILValue& aLeft,
73 : const nsSMILValue& aRight) const;
74 : virtual nsresult Add(nsSMILValue& aDest, const nsSMILValue& aValueToAdd,
75 : PRUint32 aCount) const;
76 : virtual nsresult ComputeDistance(const nsSMILValue& aFrom,
77 : const nsSMILValue& aTo,
78 : double& aDistance) const;
79 : virtual nsresult Interpolate(const nsSMILValue& aStartVal,
80 : const nsSMILValue& aEndVal,
81 : double aUnitDistance,
82 : nsSMILValue& aResult) const;
83 :
84 : private:
85 : // Private constructor & destructor: prevent instances beyond my singleton,
86 : // and prevent others from deleting my singleton.
87 1464 : SVGOrientSMILType() {}
88 1487 : ~SVGOrientSMILType() {}
89 : };
90 :
91 : } // namespace mozilla
92 :
93 : #endif // MOZILLA_SVGORIENTSMILTYPE_H_
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