2 * Copyright (C) Research In Motion Limited 2010. All rights reserved.
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
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10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB. If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
20 #ifndef SVGStaticPropertyWithParentTearOff_h
21 #define SVGStaticPropertyWithParentTearOff_h
24 #include "SVGPropertyTearOff.h"
29 // UpdateMethod is 12 bytes. We have to pack to a size greater than or equal to that to avoid an
30 // alignment warning (C4121). 16 is the next-largest size allowed for packing, so we use that.
31 #pragma pack(push, 16)
33 template<typename ParentType, typename PropertyType>
34 class SVGStaticPropertyWithParentTearOff : public SVGPropertyTearOff<PropertyType> {
36 typedef SVGStaticPropertyWithParentTearOff<ParentType, PropertyType> Self;
37 typedef void (ParentType::*UpdateMethod)();
39 // Used for non-animated POD types that are not associated with a SVGAnimatedProperty object, nor with a XML DOM attribute
40 // and that contain a parent type that's exposed to the bindings via a SVGStaticPropertyTearOff object
41 // (for example: SVGTransform::matrix).
42 static PassRefPtr<Self> create(SVGProperty* parent, PropertyType& value, UpdateMethod update)
45 return adoptRef(new Self(parent, value, update));
48 virtual void commitChange()
50 (static_cast<SVGPropertyTearOff<ParentType>*>(m_parent.get())->propertyReference().*m_update)();
51 m_parent->commitChange();
55 SVGStaticPropertyWithParentTearOff(SVGProperty* parent, PropertyType& value, UpdateMethod update)
56 : SVGPropertyTearOff<PropertyType>(0, value)
62 UpdateMethod m_update;
63 RefPtr<SVGProperty> m_parent;
72 #endif // SVGStaticPropertyWithParentTearOff_h