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https://bitbucket.org/chromiumembedded/cef
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Set eol-style property on all files. Future commits will use the subversion auto-props configuration at http://src.chromium.org/viewvc/chrome/trunk/tools/buildbot/slave/config
git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@109 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
This commit is contained in:
Marshall Greenblatt
@ -1,160 +1,160 @@
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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 _CPPTOC_H
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#define _CPPTOC_H
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#include "include/cef.h"
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#include "include/cef_capi.h"
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#include "libcef_dll/cef_logging.h"
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// Wrap a C++ class with a C structure. This is used when the class
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// implementation exists on this side of the DLL boundary but will have methods
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// called from the other side of the DLL boundary.
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template <class ClassName, class BaseName, class StructName>
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class CefCppToC : public CefThreadSafeBase<CefBase>
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{
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public:
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// Use this method to retrieve the underlying class instance from our
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// own structure when the structure is passed as the required first
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// parameter of a C API function call. No explicit reference counting
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// is done in this case.
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static CefRefPtr<BaseName> Get(StructName* s)
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{
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// Cast our structure to the wrapper structure type.
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ClassName::Struct* wrapperStruct =
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reinterpret_cast<ClassName::Struct*>(s);
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// Return the underlying object instance.
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return wrapperStruct->class_->GetClass();
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}
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// Use this method to create a wrapper structure for passing our class
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// instance to the other side.
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static StructName* Wrap(CefRefPtr<BaseName> c)
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{
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// Wrap our object with the CefCppToC class.
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ClassName* wrapper = new ClassName(c);
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// Add a reference to our wrapper object that will be released once our
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// structure arrives on the other side.
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wrapper->AddRef();
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// Return the structure pointer that can now be passed to the other side.
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return wrapper->GetStruct();
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}
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// Use this method to retrieve the underlying class instance when receiving
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// our wrapper structure back from the other side.
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static CefRefPtr<BaseName> Unwrap(StructName* s)
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{
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// Cast our structure to the wrapper structure type.
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ClassName::Struct* wrapperStruct =
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reinterpret_cast<ClassName::Struct*>(s);
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// Add the underlying object instance to a smart pointer.
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CefRefPtr<BaseName> objectPtr(wrapperStruct->class_->GetClass());
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// Release the reference to our wrapper object that was added before the
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// structure was passed back to us.
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wrapperStruct->class_->Release();
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// Return the underlying object instance.
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return objectPtr;
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}
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// Structure representation with pointer to the C++ class.
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struct Struct
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{
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StructName struct_;
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CefCppToC<ClassName,BaseName,StructName>* class_;
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};
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CefCppToC(BaseName* cls)
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: class_(cls)
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{
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DCHECK(cls);
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struct_.class_ = this;
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// zero the underlying structure and set base members
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memset(&struct_.struct_, 0, sizeof(StructName));
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struct_.struct_.base.size = sizeof(StructName);
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struct_.struct_.base.add_ref = struct_add_ref;
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struct_.struct_.base.release = struct_release;
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struct_.struct_.base.get_refct = struct_get_refct;
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#ifdef _DEBUG
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CefAtomicIncrement(&DebugObjCt);
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#endif
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}
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virtual ~CefCppToC()
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{
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#ifdef _DEBUG
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CefAtomicDecrement(&DebugObjCt);
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#endif
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}
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BaseName* GetClass() { return class_; }
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// If returning the structure across the DLL boundary you should call
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// AddRef() on this CefCppToC object. On the other side of the DLL boundary,
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// call UnderlyingRelease() on the wrapping CefCToCpp object.
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StructName* GetStruct() { return &struct_.struct_; }
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// CefBase methods increment/decrement reference counts on both this object
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// and the underlying wrapper class.
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virtual int AddRef()
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{
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UnderlyingAddRef();
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return CefThreadSafeBase<CefBase>::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<CefBase>::Release();
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}
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// Increment/decrement reference counts on only the underlying class.
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int UnderlyingAddRef() { return class_->AddRef(); }
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int UnderlyingRelease() { return class_->Release(); }
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int UnderlyingGetRefCt() { return class_->GetRefCt(); }
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#ifdef _DEBUG
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// Simple tracking of allocated objects.
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static long DebugObjCt;
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#endif
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private:
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static int CEF_CALLBACK struct_add_ref(struct _cef_base_t* base)
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{
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DCHECK(base);
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if(!base)
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return 0;
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Struct* impl = reinterpret_cast<Struct*>(base);
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return impl->class_->AddRef();
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}
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static int CEF_CALLBACK struct_release(struct _cef_base_t* base)
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{
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DCHECK(base);
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if(!base)
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return 0;
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Struct* impl = reinterpret_cast<Struct*>(base);
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return impl->class_->Release();
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}
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static int CEF_CALLBACK struct_get_refct(struct _cef_base_t* base)
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{
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DCHECK(base);
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if(!base)
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return 0;
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Struct* impl = reinterpret_cast<Struct*>(base);
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return impl->class_->GetRefCt();
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}
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protected:
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Struct struct_;
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BaseName* class_;
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};
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#endif // _CPPTOC_H
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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 _CPPTOC_H
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#define _CPPTOC_H
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#include "include/cef.h"
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#include "include/cef_capi.h"
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#include "libcef_dll/cef_logging.h"
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// Wrap a C++ class with a C structure. This is used when the class
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// implementation exists on this side of the DLL boundary but will have methods
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// called from the other side of the DLL boundary.
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template <class ClassName, class BaseName, class StructName>
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class CefCppToC : public CefThreadSafeBase<CefBase>
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{
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public:
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// Use this method to retrieve the underlying class instance from our
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// own structure when the structure is passed as the required first
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// parameter of a C API function call. No explicit reference counting
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// is done in this case.
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static CefRefPtr<BaseName> Get(StructName* s)
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{
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// Cast our structure to the wrapper structure type.
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ClassName::Struct* wrapperStruct =
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reinterpret_cast<ClassName::Struct*>(s);
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// Return the underlying object instance.
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return wrapperStruct->class_->GetClass();
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}
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// Use this method to create a wrapper structure for passing our class
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// instance to the other side.
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static StructName* Wrap(CefRefPtr<BaseName> c)
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{
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// Wrap our object with the CefCppToC class.
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ClassName* wrapper = new ClassName(c);
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// Add a reference to our wrapper object that will be released once our
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// structure arrives on the other side.
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wrapper->AddRef();
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// Return the structure pointer that can now be passed to the other side.
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return wrapper->GetStruct();
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}
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// Use this method to retrieve the underlying class instance when receiving
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// our wrapper structure back from the other side.
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static CefRefPtr<BaseName> Unwrap(StructName* s)
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{
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// Cast our structure to the wrapper structure type.
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ClassName::Struct* wrapperStruct =
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reinterpret_cast<ClassName::Struct*>(s);
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// Add the underlying object instance to a smart pointer.
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CefRefPtr<BaseName> objectPtr(wrapperStruct->class_->GetClass());
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// Release the reference to our wrapper object that was added before the
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// structure was passed back to us.
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wrapperStruct->class_->Release();
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// Return the underlying object instance.
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return objectPtr;
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}
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// Structure representation with pointer to the C++ class.
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struct Struct
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{
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StructName struct_;
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CefCppToC<ClassName,BaseName,StructName>* class_;
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};
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CefCppToC(BaseName* cls)
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: class_(cls)
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{
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DCHECK(cls);
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struct_.class_ = this;
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// zero the underlying structure and set base members
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memset(&struct_.struct_, 0, sizeof(StructName));
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struct_.struct_.base.size = sizeof(StructName);
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struct_.struct_.base.add_ref = struct_add_ref;
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struct_.struct_.base.release = struct_release;
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struct_.struct_.base.get_refct = struct_get_refct;
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#ifdef _DEBUG
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CefAtomicIncrement(&DebugObjCt);
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#endif
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}
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virtual ~CefCppToC()
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{
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#ifdef _DEBUG
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CefAtomicDecrement(&DebugObjCt);
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#endif
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}
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BaseName* GetClass() { return class_; }
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// If returning the structure across the DLL boundary you should call
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// AddRef() on this CefCppToC object. On the other side of the DLL boundary,
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// call UnderlyingRelease() on the wrapping CefCToCpp object.
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StructName* GetStruct() { return &struct_.struct_; }
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// CefBase methods increment/decrement reference counts on both this object
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// and the underlying wrapper class.
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virtual int AddRef()
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{
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UnderlyingAddRef();
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return CefThreadSafeBase<CefBase>::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<CefBase>::Release();
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}
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// Increment/decrement reference counts on only the underlying class.
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int UnderlyingAddRef() { return class_->AddRef(); }
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int UnderlyingRelease() { return class_->Release(); }
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int UnderlyingGetRefCt() { return class_->GetRefCt(); }
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#ifdef _DEBUG
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// Simple tracking of allocated objects.
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static long DebugObjCt;
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#endif
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private:
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static int CEF_CALLBACK struct_add_ref(struct _cef_base_t* base)
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{
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DCHECK(base);
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if(!base)
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return 0;
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Struct* impl = reinterpret_cast<Struct*>(base);
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return impl->class_->AddRef();
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}
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static int CEF_CALLBACK struct_release(struct _cef_base_t* base)
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{
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DCHECK(base);
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if(!base)
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return 0;
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Struct* impl = reinterpret_cast<Struct*>(base);
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return impl->class_->Release();
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}
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static int CEF_CALLBACK struct_get_refct(struct _cef_base_t* base)
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{
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DCHECK(base);
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if(!base)
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return 0;
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Struct* impl = reinterpret_cast<Struct*>(base);
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return impl->class_->GetRefCt();
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}
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protected:
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Struct struct_;
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BaseName* class_;
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};
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#endif // _CPPTOC_H
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