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/***************************************************************************
begin : Mon May 5 2003
copyright : (C) 2003 - 2004 by Scott Wheeler
email : [email protected]
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include <kdebug.h>
#include "dynamicplaylist.h"
#include "collectionlist.h"
#include "playlistcollection.h"
#include "tracksequencemanager.h"
class PlaylistDirtyObserver : public PlaylistObserver
{
public:
PlaylistDirtyObserver(DynamicPlaylist *parent, Playlist *playlist) :
PlaylistObserver(playlist),
m_parent(parent)
{
}
virtual void updateData() { m_parent->slotSetDirty(); }
virtual void updateCurrent() {}
private:
DynamicPlaylist *m_parent;
};
////////////////////////////////////////////////////////////////////////////////
// public methods
////////////////////////////////////////////////////////////////////////////////
DynamicPlaylist::DynamicPlaylist(const PlaylistList &playlists,
PlaylistCollection *collection,
const TQString &name,
const TQString &iconName,
bool setupPlaylist,
bool synchronizePlaying) :
Playlist(collection, true),
m_playlists(playlists),
m_dirty(true),
m_synchronizePlaying(synchronizePlaying)
{
if(setupPlaylist)
collection->setupPlaylist(this, iconName);
setName(name);
setSorting(columns() + 1);
for(PlaylistList::ConstIterator it = playlists.begin(); it != playlists.end(); ++it)
m_observers.append(new PlaylistDirtyObserver(this, *it));
connect(CollectionList::instance(), TQT_SIGNAL(signalCollectionChanged()), this, TQT_SLOT(slotSetDirty()));
}
DynamicPlaylist::~DynamicPlaylist()
{
lower();
for(TQValueList<PlaylistObserver *>::ConstIterator it = m_observers.begin();
it != m_observers.end();
++it)
{
delete *it;
}
}
void DynamicPlaylist::setPlaylists(const PlaylistList &playlists)
{
m_playlists = playlists;
updateItems();
}
////////////////////////////////////////////////////////////////////////////////
// public slots
////////////////////////////////////////////////////////////////////////////////
void DynamicPlaylist::slotReload()
{
for(PlaylistList::Iterator it = m_playlists.begin(); it != m_playlists.end(); ++it)
(*it)->slotReload();
checkUpdateItems();
}
void DynamicPlaylist::lower(TQWidget *top)
{
if(top == this)
return;
if(playing()) {
PlaylistList l;
l.append(this);
for(PlaylistList::Iterator it = m_playlists.begin();
it != m_playlists.end(); ++it)
{
(*it)->synchronizePlayingItems(l, true);
}
}
PlaylistItemList list = PlaylistItem::playingItems();
for(PlaylistItemList::Iterator it = list.begin(); it != list.end(); ++it) {
if((*it)->playlist() == this) {
list.remove(it);
break;
}
}
if(!list.isEmpty())
TrackSequenceManager::instance()->setCurrentPlaylist(list.front()->playlist());
}
////////////////////////////////////////////////////////////////////////////////
// protected methods
////////////////////////////////////////////////////////////////////////////////
PlaylistItemList DynamicPlaylist::items()
{
checkUpdateItems();
return Playlist::items();
}
void DynamicPlaylist::showEvent(TQShowEvent *e)
{
checkUpdateItems();
Playlist::showEvent(e);
}
void DynamicPlaylist::paintEvent(TQPaintEvent *e)
{
checkUpdateItems();
Playlist::paintEvent(e);
}
void DynamicPlaylist::updateItems()
{
PlaylistItemList siblings;
for(PlaylistList::ConstIterator it = m_playlists.begin(); it != m_playlists.end(); ++it)
siblings += (*it)->items();
PlaylistItemList newSiblings = siblings;
if(m_siblings != newSiblings) {
m_siblings = newSiblings;
TQTimer::singleShot(0, this, TQT_SLOT(slotUpdateItems()));
}
}
bool DynamicPlaylist::synchronizePlaying() const
{
return m_synchronizePlaying;
}
////////////////////////////////////////////////////////////////////////////////
// private methods
////////////////////////////////////////////////////////////////////////////////
void DynamicPlaylist::checkUpdateItems()
{
if(!m_dirty)
return;
updateItems();
m_dirty = false;
}
////////////////////////////////////////////////////////////////////////////////
// private slots
////////////////////////////////////////////////////////////////////////////////
void DynamicPlaylist::slotUpdateItems()
{
// This should be optimized to check to see which items are already in the
// list and just adding those and removing the ones that aren't.
clear();
createItems(m_siblings);
if(m_synchronizePlaying)
synchronizePlayingItems(m_playlists, true);
}
#include "dynamicplaylist.moc"
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