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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef _DelegateList_H_
#define _DelegateList_H_
#include "nsISupports.h"
#include "msgIDelegateList.h"
#include "nsDataHashtable.h"
namespace mozilla {
namespace mailnews {
// This class provides a list of method names to delegate to another object.
class DelegateList : public msgIDelegateList
{
public:
NS_DECL_ISUPPORTS
NS_DECL_MSGIDELEGATELIST
DelegateList(const char *aWindowsPrefix) :
mPrefix(aWindowsPrefix)
{ }
nsDataHashtable<nsCStringHashKey, bool> mMethods;
protected:
virtual ~DelegateList() { }
nsCString mPrefix; // Windows decorated method prefix.
};
} // namespace mailnews
} // namespace mozilla
/*
* This macro is used in forwarding functions.
* _interface: the interface being forwarded.
* _jsdelegate: the name of the JS pointer that implements a particular
* interface.
*
* You must follow the naming convention:
* 1) use mCppBase as the name of the C++ base class instance.
* 2) use mMethod as the name of the DelegateList object.
**/
#define DELEGATE_JS(_interface, _jsdelegate) (\
_jsdelegate && mMethods && \
mMethods->Contains(nsLiteralCString(__FUNCTION__)) ? \
_jsdelegate : nsCOMPtr<_interface>(do_QueryInterface(mCppBase)))
#endif
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