gecko/content/smil/SMILStringType.h
2012-05-21 12:12:37 +01:00

47 lines
1.6 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef MOZILLA_SMILSTRINGTYPE_H_
#define MOZILLA_SMILSTRINGTYPE_H_
#include "nsISMILType.h"
namespace mozilla {
class SMILStringType : public nsISMILType
{
public:
// Singleton for nsSMILValue objects to hold onto.
static SMILStringType sSingleton;
protected:
// nsISMILType Methods
// -------------------
virtual void Init(nsSMILValue& aValue) const;
virtual void Destroy(nsSMILValue&) const;
virtual nsresult Assign(nsSMILValue& aDest, const nsSMILValue& aSrc) const;
virtual bool IsEqual(const nsSMILValue& aLeft,
const nsSMILValue& aRight) const;
virtual nsresult Add(nsSMILValue& aDest, const nsSMILValue& aValueToAdd,
PRUint32 aCount) const;
virtual nsresult ComputeDistance(const nsSMILValue& aFrom,
const nsSMILValue& aTo,
double& aDistance) const;
virtual nsresult Interpolate(const nsSMILValue& aStartVal,
const nsSMILValue& aEndVal,
double aUnitDistance,
nsSMILValue& aResult) const;
private:
// Private constructor & destructor: prevent instances beyond my singleton,
// and prevent others from deleting my singleton.
SMILStringType() {}
~SMILStringType() {}
};
} // namespace mozilla
#endif // MOZILLA_SMILSTRINGTYPE_H_