mirror of https://github.com/Icinga/icinga2.git
45 lines
1.1 KiB
C++
45 lines
1.1 KiB
C++
#ifndef I2_DELEGATE_H
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#define I2_DELEGATE_H
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#include <list>
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namespace icinga
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{
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using std::tr1::function;
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using namespace std::tr1::placeholders;
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template<class TObject, class TArgs>
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int delegate_fwd(int (TObject::*function)(TArgs), weak_ptr<TObject> wref, const TArgs& args)
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{
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shared_ptr<TObject> ref = wref.lock();
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if (ref == NULL)
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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 std::tr1::bind<int>(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 /* I2_DELEGATE_H */ |