SMILFloatType.h (1558B)
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 DOM_SMIL_SMILFLOATTYPE_H_ 8 #define DOM_SMIL_SMILFLOATTYPE_H_ 9 10 #include "mozilla/SMILType.h" 11 12 namespace mozilla { 13 14 class SMILFloatType : public SMILType { 15 public: 16 // Singleton for SMILValue objects to hold onto. 17 static SMILFloatType* Singleton() { 18 static SMILFloatType sSingleton; 19 return &sSingleton; 20 } 21 22 protected: 23 // SMILType Methods 24 // ------------------- 25 void InitValue(SMILValue& aValue) const override; 26 void DestroyValue(SMILValue& aValue) const override; 27 nsresult Assign(SMILValue& aDest, const SMILValue& aSrc) const override; 28 bool IsEqual(const SMILValue& aLeft, const SMILValue& aRight) const override; 29 nsresult Add(SMILValue& aDest, const SMILValue& aValueToAdd, 30 uint32_t aCount) const override; 31 nsresult ComputeDistance(const SMILValue& aFrom, const SMILValue& aTo, 32 double& aDistance) const override; 33 nsresult Interpolate(const SMILValue& aStartVal, const SMILValue& aEndVal, 34 double aUnitDistance, SMILValue& aResult) const override; 35 36 private: 37 // Private constructor: prevent instances beyond my singleton. 38 constexpr SMILFloatType() = default; 39 }; 40 41 } // namespace mozilla 42 43 #endif // DOM_SMIL_SMILFLOATTYPE_H_