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81 lines
2.3 KiB
81 lines
2.3 KiB
/***************************************************************************
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copyright : (C) 2004 by Scott Wheeler
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email : wheeler@kde.org
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include "playlistinterface.h"
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////////////////////////////////////////////////////////////////////////////////
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// Watched implementation
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////////////////////////////////////////////////////////////////////////////////
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void Watched::currentChanged()
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{
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for(TQValueList<PlaylistObserver *>::ConstIterator it = m_observers.begin();
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it != m_observers.end();
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++it)
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{
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(*it)->updateCurrent();
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}
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}
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void Watched::dataChanged()
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{
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for(TQValueList<PlaylistObserver *>::ConstIterator it = m_observers.begin();
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it != m_observers.end();
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++it)
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{
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(*it)->updateData();
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}
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}
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void Watched::addObserver(PlaylistObserver *observer)
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{
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m_observers.append(observer);
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}
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void Watched::removeObserver(PlaylistObserver *observer)
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{
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m_observers.remove(observer);
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}
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Watched::~Watched()
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{
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for(TQValueList<PlaylistObserver *>::Iterator it = m_observers.begin();
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it != m_observers.end();
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++it)
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{
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(*it)->clearWatched();
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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// PlaylistObserver implementation
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////////////////////////////////////////////////////////////////////////////////
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PlaylistObserver::~PlaylistObserver()
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{
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if(m_playlist)
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m_playlist->removeObserver(this);
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}
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PlaylistObserver::PlaylistObserver(PlaylistInterface *playlist) :
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m_playlist(playlist)
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{
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playlist->addObserver(this);
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}
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const PlaylistInterface *PlaylistObserver::playlist() const
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{
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return m_playlist;
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}
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