107 lines
2.8 KiB
C++
107 lines
2.8 KiB
C++
// Copyright (c) 2009 The Chromium Embedded Framework Authors. All rights
|
|
// reserved. Use of this source code is governed by a BSD-style license that
|
|
// can be found in the LICENSE file.
|
|
|
|
#ifndef _BASE_CTOCPP_H
|
|
#define _BASE_CTOCPP_H
|
|
|
|
#include "include/cef.h"
|
|
#include "include/cef_capi.h"
|
|
#include "libcef_dll/cef_logging.h"
|
|
|
|
|
|
// CefCToCpp implementation for CefBase.
|
|
class CefBaseCToCpp : public CefBase
|
|
{
|
|
public:
|
|
// Use this method to create a wrapper class instance for a structure
|
|
// received from the other side.
|
|
static CefRefPtr<CefBase> Wrap(cef_base_t* s)
|
|
{
|
|
if (!s)
|
|
return NULL;
|
|
|
|
// Wrap their structure with the CefCToCpp object.
|
|
CefBaseCToCpp* wrapper = new CefBaseCToCpp(s);
|
|
// Put the wrapper object in a smart pointer.
|
|
CefRefPtr<CefBase> wrapperPtr(wrapper);
|
|
// Release the reference that was added to the CefCppToC wrapper object on
|
|
// the other side before their structure was passed to us.
|
|
wrapper->UnderlyingRelease();
|
|
// Return the smart pointer.
|
|
return wrapperPtr;
|
|
}
|
|
|
|
// Use this method to retrieve the underlying structure from a wrapper class
|
|
// instance for return back to the other side.
|
|
static cef_base_t* Unwrap(CefRefPtr<CefBase> c)
|
|
{
|
|
if (!c.get())
|
|
return NULL;
|
|
|
|
// Cast the object to our wrapper class type.
|
|
CefBaseCToCpp* wrapper = static_cast<CefBaseCToCpp*>(c.get());
|
|
// Add a reference to the CefCppToC wrapper object on the other side that
|
|
// will be released once the structure is received.
|
|
wrapper->UnderlyingAddRef();
|
|
// Return their original structure.
|
|
return wrapper->GetStruct();
|
|
}
|
|
|
|
CefBaseCToCpp(cef_base_t* str)
|
|
: struct_(str)
|
|
{
|
|
DCHECK(str);
|
|
}
|
|
virtual ~CefBaseCToCpp() {}
|
|
|
|
// If returning the structure across the DLL boundary you should call
|
|
// UnderlyingAddRef() on this wrapping CefCToCpp object. On the other side of
|
|
// the DLL boundary, call Release() on the CefCppToC object.
|
|
cef_base_t* GetStruct() { return struct_; }
|
|
|
|
// CefBase methods increment/decrement reference counts on both this object
|
|
// and the underlying wrapped structure.
|
|
int AddRef()
|
|
{
|
|
UnderlyingAddRef();
|
|
return refct_.AddRef();
|
|
}
|
|
int Release()
|
|
{
|
|
UnderlyingRelease();
|
|
int retval = refct_.Release();
|
|
if (retval == 0)
|
|
delete this;
|
|
return retval;
|
|
}
|
|
int GetRefCt() { return refct_.GetRefCt(); }
|
|
|
|
// Increment/decrement reference counts on only the underlying class.
|
|
int UnderlyingAddRef()
|
|
{
|
|
if(!struct_->add_ref)
|
|
return 0;
|
|
return struct_->add_ref(struct_);
|
|
}
|
|
int UnderlyingRelease()
|
|
{
|
|
if(!struct_->release)
|
|
return 0;
|
|
return struct_->release(struct_);
|
|
}
|
|
int UnderlyingGetRefCt()
|
|
{
|
|
if(!struct_->get_refct)
|
|
return 0;
|
|
return struct_->get_refct(struct_);
|
|
}
|
|
|
|
protected:
|
|
CefRefCount refct_;
|
|
cef_base_t* struct_;
|
|
};
|
|
|
|
|
|
#endif // _BASE_CTOCPP_H
|