65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
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// Copyright (c) 2009 The Chromium Embedded Framework Authors. All rights
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// reserved. Use of this source code is governed by a BSD-style license that
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// can be found in the LICENSE file.
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#ifndef _CTOCPP_H
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#define _CTOCPP_H
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#include "cef.h"
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#include "cef_capi.h"
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#include "base/logging.h"
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// Wrap a C structure with a C++ class.
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template <class ClassName, class StructName>
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class CefCToCpp : public CefThreadSafeBase<ClassName>
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{
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public:
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CefCToCpp(StructName* str)
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: struct_(str)
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{
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DCHECK(str);
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}
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virtual ~CefCToCpp()
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{
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}
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// If returning the structure across the DLL boundary you should call
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// UnderlyingAddRef() on this wrapping CefCToCpp object. On the other side of
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// the DLL boundary, call Release() on the CefCppToC object.
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StructName* GetStruct() { return struct_; }
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// CefBase methods increment/decrement reference counts on both this object
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// and the underlying wrapped structure.
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virtual int AddRef()
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{
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UnderlyingAddRef();
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return CefThreadSafeBase<ClassName>::AddRef();
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}
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virtual int Release()
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{
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UnderlyingRelease();
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return CefThreadSafeBase<ClassName>::Release();
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}
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// Increment/decrement reference counts on only the underlying class.
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int UnderlyingAddRef()
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{
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if(!struct_->base.add_ref)
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return 0;
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return struct_->base.add_ref(&struct_->base);
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}
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int UnderlyingRelease()
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{
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if(!struct_->base.release)
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return 0;
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return struct_->base.release(&struct_->base);
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}
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protected:
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StructName* struct_;
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};
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#endif // _CTOCPP_H
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