| Index: webkit/port/platform/COMPtr.h
|
| ===================================================================
|
| --- webkit/port/platform/COMPtr.h (revision 3423)
|
| +++ webkit/port/platform/COMPtr.h (working copy)
|
| @@ -1,151 +0,0 @@
|
| -/*
|
| - * Copyright (C) 2007 Apple Inc. All rights reserved.
|
| - *
|
| - * Redistribution and use in source and binary forms, with or without
|
| - * modification, are permitted provided that the following conditions
|
| - * are met:
|
| - * 1. Redistributions of source code must retain the above copyright
|
| - * notice, this list of conditions and the following disclaimer.
|
| - * 2. Redistributions in binary form must reproduce the above copyright
|
| - * notice, this list of conditions and the following disclaimer in the
|
| - * documentation and/or other materials provided with the distribution.
|
| - *
|
| - * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
|
| - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
| - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
| - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
|
| - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
| - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
| - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
| - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
| - * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
| - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
| - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
| - */
|
| -
|
| -#ifndef COMPtr_h
|
| -#define COMPtr_h
|
| -
|
| -#include <WTF/Assertions.h>
|
| -
|
| -typedef long HRESULT;
|
| -
|
| -enum AdoptCOMTag { AdoptCOM };
|
| -
|
| -template <typename T> class COMPtr {
|
| -public:
|
| - COMPtr() : m_ptr(0) { }
|
| - COMPtr(T* ptr) : m_ptr(ptr) { if (m_ptr) m_ptr->AddRef(); }
|
| - COMPtr(AdoptCOMTag, T* ptr) : m_ptr(ptr) { }
|
| - COMPtr(const COMPtr& o) : m_ptr(o.m_ptr) { if (T* ptr = m_ptr) ptr->AddRef(); }
|
| -
|
| - ~COMPtr() { if (m_ptr) m_ptr->Release(); }
|
| -
|
| - T *get() const { return m_ptr; }
|
| -
|
| - T& operator*() const { return *m_ptr; }
|
| - T* operator->() const { return m_ptr; }
|
| -
|
| - T** operator&() { ASSERT(!m_ptr); return &m_ptr; }
|
| -
|
| - bool operator!() const { return !m_ptr; }
|
| -
|
| - // This conversion operator allows implicit conversion to bool but not to other integer types.
|
| - typedef T * (COMPtr::*UnspecifiedBoolType)() const;
|
| - operator UnspecifiedBoolType() const { return m_ptr ? &COMPtr::get : 0; }
|
| -
|
| - COMPtr& operator=(const COMPtr&);
|
| - COMPtr& operator=(T*);
|
| - template <typename U> COMPtr& operator=(const COMPtr<U>&);
|
| -
|
| - HRESULT copyRefTo(T**);
|
| - void adoptRef(T*);
|
| -
|
| -private:
|
| - T* m_ptr;
|
| -};
|
| -
|
| -template <typename T> inline HRESULT COMPtr<T>::copyRefTo(T** ptr)
|
| -{
|
| - if (!ptr)
|
| - return E_POINTER;
|
| -
|
| - *ptr = m_ptr;
|
| - if (m_ptr)
|
| - m_ptr->AddRef();
|
| - return S_OK;
|
| -}
|
| -
|
| -template <typename T> inline void COMPtr<T>::adoptRef(T *ptr)
|
| -{
|
| - if (m_ptr)
|
| - m_ptr->Release();
|
| - m_ptr = ptr;
|
| -}
|
| -
|
| -template <typename T> inline COMPtr<T>& COMPtr<T>::operator=(const COMPtr<T>& o)
|
| -{
|
| - T* optr = o.get();
|
| - if (optr)
|
| - optr->AddRef();
|
| - T* ptr = m_ptr;
|
| - m_ptr = optr;
|
| - if (ptr)
|
| - ptr->Release();
|
| - return *this;
|
| -}
|
| -
|
| -template <typename T> template <typename U> inline COMPtr<T>& COMPtr<T>::operator=(const COMPtr<U>& o)
|
| -{
|
| - T* optr = o.get();
|
| - if (optr)
|
| - optr->AddRef();
|
| - T* ptr = m_ptr;
|
| - m_ptr = optr;
|
| - if (ptr)
|
| - ptr->Release();
|
| - return *this;
|
| -}
|
| -
|
| -template <typename T> inline COMPtr<T>& COMPtr<T>::operator=(T* optr)
|
| -{
|
| - if (optr)
|
| - optr->AddRef();
|
| - T* ptr = m_ptr;
|
| - m_ptr = optr;
|
| - if (ptr)
|
| - ptr->Release();
|
| - return *this;
|
| -}
|
| -
|
| -template <typename T, typename U> inline bool operator==(const COMPtr<T>& a, const COMPtr<U>& b)
|
| -{
|
| - return a.get() == b.get();
|
| -}
|
| -
|
| -template <typename T, typename U> inline bool operator==(const COMPtr<T>& a, U* b)
|
| -{
|
| - return a.get() == b;
|
| -}
|
| -
|
| -template <typename T, typename U> inline bool operator==(T* a, const COMPtr<U>& b)
|
| -{
|
| - return a == b.get();
|
| -}
|
| -
|
| -template <typename T, typename U> inline bool operator!=(const COMPtr<T>& a, const COMPtr<U>& b)
|
| -{
|
| - return a.get() != b.get();
|
| -}
|
| -
|
| -template <typename T, typename U> inline bool operator!=(const COMPtr<T>& a, U* b)
|
| -{
|
| - return a.get() != b;
|
| -}
|
| -
|
| -template <typename T, typename U> inline bool operator!=(T* a, const COMPtr<U>& b)
|
| -{
|
| - return a != b.get();
|
| -}
|
| -
|
| -#endif
|
|
|
|
|