mirror of
https://github.com/DrBeef/JKXR.git
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4597b03873
Opens in Android Studio but haven't even tried to build it yet (it won't.. I know that much!)
111 lines
2.4 KiB
C++
111 lines
2.4 KiB
C++
// -*- c++ -*-
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/*
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* Copyright 2002, The libsigc++ Development Team
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <sigc++/connection.h>
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using namespace std;
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namespace sigc {
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connection::connection()
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: slot_(0)
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{}
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connection::connection(const connection& c)
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: slot_(c.slot_)
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{
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//Let the connection forget about the signal handler when the handler object dies:
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if (slot_)
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slot_->add_destroy_notify_callback(this, ¬ify);
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}
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connection::connection(slot_base& sl)
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: slot_(&sl)
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{
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//Let the connection forget about the signal handler when the handler object dies:
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slot_->add_destroy_notify_callback(this, ¬ify);
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}
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connection& connection::operator=(const connection& c)
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{
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set_slot(c.slot_);
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return *this;
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}
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connection::~connection()
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{
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if (slot_)
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slot_->remove_destroy_notify_callback(this);
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}
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bool connection::empty() const
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{
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return (!slot_ || slot_->empty());
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}
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bool connection::connected() const
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{
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return !empty();
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}
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bool connection::blocked() const
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{
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return (slot_ ? slot_->blocked() : false);
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}
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bool connection::block(bool should_block)
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{
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return (slot_ ? slot_->block(should_block) : false);
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}
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bool connection::unblock()
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{
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return (slot_ ? slot_->unblock() : false);
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}
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void connection::disconnect()
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{
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if (slot_)
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slot_->disconnect(); // This notifies slot_'s parent.
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}
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connection::operator bool()
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{
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return !empty();
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}
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void connection::set_slot(slot_base* sl)
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{
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if (slot_)
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slot_->remove_destroy_notify_callback(this);
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slot_ = sl;
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if (slot_)
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slot_->add_destroy_notify_callback(this, ¬ify);
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}
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void* connection::notify(void* data)
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{
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connection* self = reinterpret_cast<connection*>(data);
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self->slot_ = 0;
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return 0;
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}
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} /* namespace sigc */
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