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/*
* Copyright (C) 2006, 2007, 2008, 2010 Apple Inc.
*
* 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 RefCountedGDIHandle_h
#define RefCountedGDIHandle_h
#include <windows.h>
#include <wtf/HashFunctions.h>
#include <wtf/OwnPtr.h>
#include <wtf/RefCounted.h>
namespace WebCore {
template <typename T> class RefCountedGDIHandle : public RefCounted<RefCountedGDIHandle<T> > {
public:
static PassRefPtr<RefCountedGDIHandle> create(T handle)
{
return adoptRef(new RefCountedGDIHandle<T>(handle));
}
static PassRefPtr<RefCountedGDIHandle<T> > createDeleted()
{
return adoptRef(new RefCountedGDIHandle<T>(reinterpret_cast<T>(-1)));
}
~RefCountedGDIHandle()
{
if (m_handle != reinterpret_cast<T>(-1))
WTF::deleteOwnedPtr(m_handle);
}
T handle() const
{
return m_handle;
}
unsigned hash() const
{
return WTF::PtrHash<T>::hash(m_handle);
}
private:
RefCountedGDIHandle(T handle)
: m_handle(handle)
{
}
T m_handle;
};
} // namespace WebCore
#endif // RefCountedGDIHandle_h
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