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3 * Copyright (C) 2013 Intel Corporation. All rights reserved.
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27 #ifndef WebPrivateOwnPtr_h
28 #define WebPrivateOwnPtr_h
30 #include "WebCommon.h"
31 #include "WebNonCopyable.h"
34 #include "wtf/PassOwnPtr.h"
39 // This class is an implementation detail of the WebKit API. It exists
40 // to help simplify the implementation of WebKit interfaces that merely
41 // wrap a pointer to a WebCore class. It's similar to WebPrivatePtr, but it
42 // wraps a naked pointer rather than a reference counted.
43 // Note: you must call reset(0) on the implementation side in order to delete
44 // the WebCore pointer.
46 class WebPrivateOwnPtr : public WebNonCopyable {
48 WebPrivateOwnPtr() : m_ptr(0) {}
49 ~WebPrivateOwnPtr() { BLINK_ASSERT(!m_ptr); }
51 explicit WebPrivateOwnPtr(T* ptr)
56 T* get() const { return m_ptr; }
59 template<typename U> WebPrivateOwnPtr(const PassOwnPtr<U>&, EnsurePtrConvertibleArgDecl(U, T));
67 void reset(const PassOwnPtr<T>& o)
72 PassOwnPtr<T> release()
84 #endif // INSIDE_BLINK
91 template<typename T> template<typename U> inline WebPrivateOwnPtr<T>::WebPrivateOwnPtr(const PassOwnPtr<U>& o, EnsurePtrConvertibleArgDefn(U, T))
94 COMPILE_ASSERT(!WTF::IsArray<T>::value, Pointers_to_array_must_never_be_converted);