dom/smil/SMILStringType.h
author Jim Mathies <jmathies@mozilla.com>
Wed, 12 Nov 2014 14:59:19 -0600
changeset 239674 dcc233b91a99e7d8cfaa39b508d2eb2c2496fab6
parent 178353 215f5bc6284dfc1778d01ae0fe52a9ea96d6bf2a
child 248334 10cffe6b68acd9338cd73db33fb8f2007049f4b6
permissions -rw-r--r--
Bug 669200 - Various widget changes to support two new types of plugin widget. r=roc

/* -*- 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 "mozilla/Attributes.h"
#include "nsISMILType.h"

namespace mozilla {

class SMILStringType : public nsISMILType
{
public:
  // Singleton for nsSMILValue objects to hold onto.
  static SMILStringType*
  Singleton()
  {
    static SMILStringType sSingleton;
    return &sSingleton;
  }

protected:
  // nsISMILType Methods
  // -------------------
  virtual void     Init(nsSMILValue& aValue) const MOZ_OVERRIDE;
  virtual void     Destroy(nsSMILValue&) const;
  virtual nsresult Assign(nsSMILValue& aDest, const nsSMILValue& aSrc) const MOZ_OVERRIDE;
  virtual bool     IsEqual(const nsSMILValue& aLeft,
                           const nsSMILValue& aRight) const MOZ_OVERRIDE;
  virtual nsresult Add(nsSMILValue& aDest, const nsSMILValue& aValueToAdd,
                       uint32_t aCount) const MOZ_OVERRIDE;
  virtual nsresult ComputeDistance(const nsSMILValue& aFrom,
                                   const nsSMILValue& aTo,
                                   double& aDistance) const MOZ_OVERRIDE;
  virtual nsresult Interpolate(const nsSMILValue& aStartVal,
                               const nsSMILValue& aEndVal,
                               double aUnitDistance,
                               nsSMILValue& aResult) const MOZ_OVERRIDE;

private:
  // Private constructor: prevent instances beyond my singleton.
  MOZ_CONSTEXPR SMILStringType() {}
};

} // namespace mozilla

#endif // MOZILLA_SMILSTRINGTYPE_H_