RefCountedGDIHandle.h [plain text]
#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;
};
}
#endif // RefCountedGDIHandle_h