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64 lines
2.0 KiB
C++
64 lines
2.0 KiB
C++
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// Boost.Signals library
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//
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// Copyright (C) 2001 Doug Gregor (gregod@cs.rpi.edu)
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//
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// Permission to copy, use, sell and distribute this software is granted
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// provided this copyright notice appears in all copies.
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// Permission to modify the code and to distribute modified code is granted
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// provided this copyright notice appears in all copies, and a notice
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// that the code was modified is included with the copyright notice.
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//
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// This software is provided "as is" without express or implied warranty,
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// and with no claim as to its suitability for any purpose.
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// For more information, see http://www.boost.org
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#include <boost/signals/trackable.hpp>
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#include <algorithm>
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namespace boost {
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namespace signals {
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void trackable::signal_disconnected(void* obj, void* data)
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{
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trackable* self = reinterpret_cast<trackable*>(obj);
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connection_iterator* signal =
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reinterpret_cast<connection_iterator*>(data);
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// If we're dying, don't bother erasing the connection from the list;
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// it'll be gone anyway
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if (!self->dying) {
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self->connected_signals.erase(*signal);
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}
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// This iterator pointer won't ever be used again
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delete signal;
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}
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void
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trackable::signal_connected(connection c,
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signals::detail::bound_object& binding) const
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{
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// Insert the connection
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connection_iterator pos =
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connected_signals.insert(connected_signals.end(), c);
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// Make this copy of the object disconnect when destroyed
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pos->set_controlling();
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binding.obj = const_cast<void*>(reinterpret_cast<const void*>(this));
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binding.data = reinterpret_cast<void*>(new connection_iterator(pos));
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binding.disconnect = &signal_disconnected;
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}
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trackable::~trackable()
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{
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dying = true;
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}
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} // end namespace signals
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}
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#ifndef BOOST_MSVC
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// Explicit instantiations to keep in the library
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template class std::list<boost::signals::connection>;
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#endif
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