| /* |
| * 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 |