2 * Copyright (C) 2006, 2007, 2008, 2010 Apple Inc.
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
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
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.
21 #ifndef RefCountedGDIHandle_h
22 #define RefCountedGDIHandle_h
25 #include <wtf/HashFunctions.h>
26 #include <wtf/OwnPtr.h>
27 #include <wtf/RefCounted.h>
31 template <typename T> class RefCountedGDIHandle : public RefCounted<RefCountedGDIHandle<T> > {
33 static PassRefPtr<RefCountedGDIHandle> create(T handle)
35 return adoptRef(new RefCountedGDIHandle<T>(handle));
38 static PassRefPtr<RefCountedGDIHandle<T> > createDeleted()
40 return adoptRef(new RefCountedGDIHandle<T>(reinterpret_cast<T>(-1)));
43 ~RefCountedGDIHandle()
45 if (m_handle != reinterpret_cast<T>(-1))
46 WTF::deleteOwnedPtr(m_handle);
56 return WTF::PtrHash<T>::hash(m_handle);
60 RefCountedGDIHandle(T handle)
68 } // namespace WebCore
70 #endif // RefCountedGDIHandle_h