dom/svg/SVGIntegerPairSMILType.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef MOZILLA_SVGINTEGERPAIRSMILTYPE_H_
   7 #define MOZILLA_SVGINTEGERPAIRSMILTYPE_H_
   8
   9 #include "mozilla/Attributes.h"
  10 #include "nsISMILType.h"
  11
  12 class nsSMILValue;
  13
  14 namespace mozilla {
  15
  16 class SVGIntegerPairSMILType : public nsISMILType
  17 {
  18 public:
  19   // Singleton for nsSMILValue objects to hold onto.
  20   static SVGIntegerPairSMILType*
  21   Singleton()
  22   {
  23     static SVGIntegerPairSMILType sSingleton;
  24     return &sSingleton;
  25   }
  26
  27 protected:
  28   // nsISMILType Methods
  29   // -------------------
  30   virtual void     Init(nsSMILValue& aValue) const MOZ_OVERRIDE;
  31   virtual void     Destroy(nsSMILValue&) const MOZ_OVERRIDE;
  32   virtual nsresult Assign(nsSMILValue& aDest, const nsSMILValue& aSrc) const MOZ_OVERRIDE;
  33   virtual bool     IsEqual(const nsSMILValue& aLeft,
  34                            const nsSMILValue& aRight) const MOZ_OVERRIDE;
  35   virtual nsresult Add(nsSMILValue& aDest, const nsSMILValue& aValueToAdd,
  36                        uint32_t aCount) const MOZ_OVERRIDE;
  37   virtual nsresult ComputeDistance(const nsSMILValue& aFrom,
  38                                    const nsSMILValue& aTo,
  39                                    double& aDistance) const MOZ_OVERRIDE;
  40   virtual nsresult Interpolate(const nsSMILValue& aStartVal,
  41                                const nsSMILValue& aEndVal,
  42                                double aUnitDistance,
  43                                nsSMILValue& aResult) const MOZ_OVERRIDE;
  44
  45 private:
  46   // Private constructor: prevent instances beyond my singleton.
  47   MOZ_CONSTEXPR SVGIntegerPairSMILType() {}
  48 };
  49
  50 } // namespace mozilla
  51
  52 #endif // MOZILLA_SVGINTEGERPAIRSMILTYPE_H_