mirror of https://github.com/Icinga/icinga2.git
60 lines
2.4 KiB
C++
60 lines
2.4 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#ifndef DELEGATE_H
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#define DELEGATE_H
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namespace icinga
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{
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template<class TObject, class TArgs>
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int delegate_fwd(int (TObject::*function)(TArgs), weak_ptr<TObject> wref, TArgs args)
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{
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shared_ptr<TObject> ref = wref.lock();
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if (!ref)
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return -1;
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return (ref.get()->*function)(args);
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}
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template<class TObject, class TArgs>
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function<int (TArgs)> bind_weak(int (TObject::*function)(TArgs), const weak_ptr<TObject>& wref)
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{
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return bind(&delegate_fwd<TObject, TArgs>, function, wref, _1);
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}
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template<class TObject, class TArgs>
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function<int (TArgs)> bind_weak(int (TObject::*function)(TArgs), shared_ptr<TObject> ref)
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{
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weak_ptr<TObject> wref = weak_ptr<TObject>(ref);
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return bind_weak(function, wref);
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}
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template<class TObject, class TArgs>
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function<int (TArgs)> bind_weak(int (TObject::*function)(TArgs), shared_ptr<Object> ref)
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{
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weak_ptr<TObject> wref = weak_ptr<TObject>(static_pointer_cast<TObject>(ref));
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return bind_weak(function, wref);
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}
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}
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#endif /* DELEGATE_H */
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