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/*
* Copyright (C) Research In Motion Limited 2010. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef SVGStaticPropertyWithParentTearOff_h
#define SVGStaticPropertyWithParentTearOff_h
#if ENABLE(SVG)
#include "SVGPropertyTearOff.h"
namespace WebCore {
#if COMPILER(MSVC)
// UpdateMethod is 12 bytes. We have to pack to a size greater than or equal to that to avoid an
// alignment warning (C4121). 16 is the next-largest size allowed for packing, so we use that.
#pragma pack(push, 16)
#endif
template<typename ParentType, typename PropertyType>
class SVGStaticPropertyWithParentTearOff : public SVGPropertyTearOff<PropertyType> {
public:
typedef SVGStaticPropertyWithParentTearOff<ParentType, PropertyType> Self;
typedef void (ParentType::*UpdateMethod)();
// Used for non-animated POD types that are not associated with a SVGAnimatedProperty object, nor with a XML DOM attribute
// and that contain a parent type that's exposed to the bindings via a SVGStaticPropertyTearOff object
// (for example: SVGTransform::matrix).
static PassRefPtr<Self> create(SVGProperty* parent, PropertyType& value, UpdateMethod update)
{
ASSERT(parent);
return adoptRef(new Self(parent, value, update));
}
virtual void commitChange()
{
(static_cast<SVGPropertyTearOff<ParentType>*>(m_parent.get())->propertyReference().*m_update)();
m_parent->commitChange();
}
private:
SVGStaticPropertyWithParentTearOff(SVGProperty* parent, PropertyType& value, UpdateMethod update)
: SVGPropertyTearOff<PropertyType>(0, value)
, m_update(update)
, m_parent(parent)
{
}
UpdateMethod m_update;
RefPtr<SVGProperty> m_parent;
};
#if COMPILER(MSVC)
#pragma pack(pop)
#endif
}
#endif // ENABLE(SVG)
#endif // SVGStaticPropertyWithParentTearOff_h
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