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/** |
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* callback.C: C++ callback mechanism |
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* Rights to this code are documented in doc/pod/license.pod. |
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* |
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* Copyright © 2007 Pippijn van Steenhoven |
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*/ |
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|
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static char const rcsid[] = "$Id: callback.C,v 1.3 2007-07-21 13:23:21 pippijn Exp $"; |
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|
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#include <svsconfig.h> |
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#include <common/callback.h> |
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|
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has_callbacks::callbacks has_callbacks::callback; |
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|
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has_callbacks::has_callbacks () |
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{ |
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callback.created (this); |
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} |
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|
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has_callbacks::~has_callbacks () |
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{ |
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callback.destroyed (this); |
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} |
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|
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namespace callback |
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{ |
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has_listeners::has_listeners () |
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{ |
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} |
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|
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has_listeners::~has_listeners () |
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{ |
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disconnect_all (); |
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} |
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|
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has_listeners::sender_set & |
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has_listeners::invokers () |
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{ |
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return this->m_senders; |
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} |
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|
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const has_listeners::sender_set & |
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has_listeners::invokers () const |
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{ |
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return this->m_senders; |
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} |
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|
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|
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has_listeners::has_listeners (const has_listeners &rhs) |
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{ |
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this->copy_invokers (rhs); |
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} |
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|
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has_listeners & |
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has_listeners::operator = (const has_listeners &rhs) |
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{ |
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this->disconnect_all (); |
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this->copy_invokers (rhs); |
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return *this; |
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} |
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|
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void |
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has_listeners::add_invoker (event_base * sender) |
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{ |
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this->invokers ().insert (sender); |
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} |
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|
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void |
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has_listeners::remove_invoker (event_base * sender) |
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{ |
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this->invokers ().erase (sender); |
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} |
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|
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void |
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has_listeners::copy_invokers (const has_listeners &rhs) |
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{ |
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if (&rhs == this) |
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return; |
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|
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const_iterator it; |
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const_iterator itEnd = rhs.invokers ().end (); |
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|
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for (it = rhs.invokers ().begin (); it != itEnd; ++it) |
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{ |
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(*it)->listener_duplicate (&rhs, this); |
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this->invokers ().insert (*it); |
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} |
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} |
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|
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void |
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has_listeners::disconnect_all () |
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{ |
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iterator it; |
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iterator et = this->invokers ().end (); |
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|
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for (it = this->invokers ().begin (); et != it; ++it) |
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(*it)->detach (this); |
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|
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this->invokers ().clear (); |
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} |
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} // namespace callback |
