dom/svg/SVGPathSegListSMILType.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_SVGPATHSEGLISTSMILTYPE_H_
   8 #define DOM_SVG_SVGPATHSEGLISTSMILTYPE_H_
   9
  10 #include "mozilla/Attributes.h"
  11 #include "mozilla/SMILType.h"
  12
  13 namespace mozilla {
  14
  15 class SMILValue;
  16
  17 ////////////////////////////////////////////////////////////////////////
  18 // SVGPathSegListSMILType
  19 //
  20 // Operations for animating an SVGPathData.
  21 //
  22 class SVGPathSegListSMILType : public SMILType {
  23  public:
  24   // Singleton for SMILValue objects to hold onto.
  25   static SVGPathSegListSMILType* Singleton() {
  26     static SVGPathSegListSMILType sSingleton;
  27     return &sSingleton;
  28   }
  29
  30  protected:
  31   // SMILType Methods
  32   // -------------------
  33
  34   void Init(SMILValue& aValue) const override;
  35
  36   void Destroy(SMILValue& aValue) const override;
  37   nsresult Assign(SMILValue& aDest, const SMILValue& aSrc) const override;
  38   bool IsEqual(const SMILValue& aLeft, const SMILValue& aRight) const override;
  39   nsresult Add(SMILValue& aDest, const SMILValue& aValueToAdd,
  40                uint32_t aCount) const override;
  41   nsresult ComputeDistance(const SMILValue& aFrom, const SMILValue& aTo,
  42                            double& aDistance) const override;
  43   nsresult Interpolate(const SMILValue& aStartVal, const SMILValue& aEndVal,
  44                        double aUnitDistance, SMILValue& aResult) const override;
  45
  46  private:
  47   // Private constructor: prevent instances beyond my singleton.
  48   constexpr SVGPathSegListSMILType() = default;
  49 };
  50
  51 }  // namespace mozilla
  52
  53 #endif  // DOM_SVG_SVGPATHSEGLISTSMILTYPE_H_