The Tor Browser: dom/smil/SMILBoolType.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     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/. */

     6 #ifndef MOZILLA_SMILBOOLTYPE_H_

     7 #define MOZILLA_SMILBOOLTYPE_H_

     9 #include "mozilla/Attributes.h"

    10 #include "nsISMILType.h"

    12 namespace mozilla {

    14 class SMILBoolType : public nsISMILType

    15 {

    16 public:

    17   // Singleton for nsSMILValue objects to hold onto.

    18   static SMILBoolType* Singleton()

    19   {

    20     static SMILBoolType sSingleton;

    21     return &sSingleton;

    22   }

    24 protected:

    25   // nsISMILType Methods

    26   // -------------------

    27   virtual void     Init(nsSMILValue& aValue) const MOZ_OVERRIDE;

    28   virtual void     Destroy(nsSMILValue&) const;

    29   virtual nsresult Assign(nsSMILValue& aDest, const nsSMILValue& aSrc) const MOZ_OVERRIDE;

    30   virtual nsresult Add(nsSMILValue& aDest, const nsSMILValue& aValueToAdd,

    31                        uint32_t aCount) const MOZ_OVERRIDE;

    32   virtual bool IsEqual(const nsSMILValue& aLeft,

    33                          const nsSMILValue& aRight) const MOZ_OVERRIDE;

    34   virtual nsresult ComputeDistance(const nsSMILValue& aFrom,

    35                                    const nsSMILValue& aTo,

    36                                    double& aDistance) const MOZ_OVERRIDE;

    37   virtual nsresult Interpolate(const nsSMILValue& aStartVal,

    38                                const nsSMILValue& aEndVal,

    39                                double aUnitDistance,

    40                                nsSMILValue& aResult) const MOZ_OVERRIDE;

    42 private:

    43   // Private constructor: prevent instances beyond my singleton.

    44   MOZ_CONSTEXPR SMILBoolType() {}

    45 };

    47 } // namespace mozilla

    49 #endif // MOZILLA_SMILBOOLTYPE_H_

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