File indexing completed on 2024-05-05 17:50:04

 /*
    Copyright (C) 2018 Andreas Hartmetz <ahartmetz@gmail.com>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LGPL.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 
    Alternatively, this file is available under the Mozilla Public License
    Version 1.1.  You may obtain a copy of the License at
    http://www.mozilla.org/MPL/
 */
 
 #include "iioeventsource.h"
 
 #include "iioeventlistener.h"
 
 #include <cassert>
 
 IIoEventSource::~IIoEventSource()
 {
     // ### we would like to tell all listeners they are unsubscribed here, but we "are" only
     //     the base class at this point, so it can't be done here.
 }
 
 void IIoEventSource::addIoListener(IIoEventListener *iol)
 {
     if (iol->m_eventSource && iol->m_eventSource != this) {
         iol->m_eventSource->removeIoListener(iol);
     }
     assert(iol->m_eventSource == nullptr);
     iol->m_eventSource = this;
     addIoListenerInternal(iol, iol->m_ioInterest);
 }
 
 void IIoEventSource::removeIoListener(IIoEventListener *iol)
 {
     if (iol->m_eventSource != this) {
         return; // warning?
     }
     iol->m_eventSource = nullptr;
     removeIoListenerInternal(iol);
 }
 
 void IIoEventSource::updateIoInterest(IIoEventListener *iol)
 {
     if (iol->m_eventSource != this) {
         return; // warning?
     }
     updateIoInterestInternal(iol, iol->m_ioInterest);
 }
 
 void IIoEventSource::addIoListenerInternal(IIoEventListener *iol, uint32 ioRw)
 {
     updateIoInterestInternal(iol, ioRw);
 }
 
 void IIoEventSource::removeIoListenerInternal(IIoEventListener *iol)
 {
     updateIoInterestInternal(iol, 0);
 }