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       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #ifndef NS_SMILFLOATTYPE_H_
       8             : #define NS_SMILFLOATTYPE_H_
       9             : 
      10             : #include "mozilla/Attributes.h"
      11             : #include "nsISMILType.h"
      12             : 
      13             : class nsSMILFloatType : public nsISMILType
      14             : {
      15             : public:
      16             :   // Singleton for nsSMILValue objects to hold onto.
      17             :   static nsSMILFloatType*
      18           0 :   Singleton()
      19             :   {
      20           0 :     static nsSMILFloatType sSingleton;
      21           0 :     return &sSingleton;
      22             :   }
      23             : 
      24             : protected:
      25             :   // nsISMILType Methods
      26             :   // -------------------
      27             :   virtual void Init(nsSMILValue& aValue) const override;
      28             :   virtual void Destroy(nsSMILValue& aValue) const override;
      29             :   virtual nsresult Assign(nsSMILValue& aDest, const nsSMILValue& aSrc) const override;
      30             :   virtual bool IsEqual(const nsSMILValue& aLeft,
      31             :                        const nsSMILValue& aRight) const override;
      32             :   virtual nsresult Add(nsSMILValue& aDest, const nsSMILValue& aValueToAdd,
      33             :                        uint32_t aCount) const override;
      34             :   virtual nsresult ComputeDistance(const nsSMILValue& aFrom,
      35             :                                    const nsSMILValue& aTo,
      36             :                                    double& aDistance) const override;
      37             :   virtual nsresult Interpolate(const nsSMILValue& aStartVal,
      38             :                                const nsSMILValue& aEndVal,
      39             :                                double aUnitDistance,
      40             :                                nsSMILValue& aResult) const override;
      41             : 
      42             : private:
      43             :   // Private constructor: prevent instances beyond my singleton.
      44           0 :   constexpr nsSMILFloatType() {}
      45             : };
      46             : 
      47             : #endif // NS_SMILFLOATTYPE_H_