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Unified Diff: webkit/port/platform/COMPtr.h

Issue 7419: Move many files that were suffixed Win.cpp to Chromium.cpp, and place them in... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 12 years, 2 months ago
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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
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