dom/svg/SVGViewBoxSMILType.h

   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_SVG_SVGVIEWBOXSMILTYPE_H_
   8 #define DOM_SVG_SVGVIEWBOXSMILTYPE_H_
   9
  10 #include "mozilla/Attributes.h"
  11 #include "mozilla/SMILType.h"
  12
  13 namespace mozilla {
  14
  15 class SMILValue;
  16
  17 class SVGViewBoxSMILType : public SMILType {
  18  public:
  19   // Singleton for SMILValue objects to hold onto.
  20   static SVGViewBoxSMILType sSingleton;
  21
  22  protected:
  23   // SMILType Methods
  24   // -------------------
  25   void Init(SMILValue& aValue) const override;
  26   void Destroy(SMILValue&) 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 SVGViewBoxSMILType() = default;
  39 };
  40
  41 }  // namespace mozilla
  42
  43 #endif  // DOM_SVG_SVGVIEWBOXSMILTYPE_H_