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116 lines
3.6 KiB
116 lines
3.6 KiB
15 years ago
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/***************************************************************************
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begin : Mon May 5 2003
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copyright : (C) 2003 - 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 <kdebug.h>
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#include <qptrdict.h>
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#include "searchplaylist.h"
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#include "playlistitem.h"
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#include "collectionlist.h"
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////////////////////////////////////////////////////////////////////////////////
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// public methods
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////////////////////////////////////////////////////////////////////////////////
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SearchPlaylist::SearchPlaylist(PlaylistCollection *collection,
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const PlaylistSearch &search,
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const QString &name,
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bool setupPlaylist,
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bool synchronizePlaying) :
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DynamicPlaylist(search.playlists(), collection, name, "find",
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setupPlaylist, synchronizePlaying),
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m_search(search)
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{
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}
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void SearchPlaylist::setPlaylistSearch(const PlaylistSearch &s, bool update)
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{
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m_search = s;
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if(update)
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setPlaylists(s.playlists());
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}
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////////////////////////////////////////////////////////////////////////////////
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// protected methods
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////////////////////////////////////////////////////////////////////////////////
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void SearchPlaylist::updateItems()
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{
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// Here we don't simply use "clear" since that would involve a call to
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// items() which would in turn call this method...
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PlaylistItemList l = Playlist::items();
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QPtrDict<PlaylistItem> oldItems(503);
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for(PlaylistItemList::ConstIterator it = l.begin(); it != l.end(); ++it)
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oldItems.insert((*it)->collectionItem(), *it);
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m_search.search();
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PlaylistItemList matched = m_search.matchedItems();
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PlaylistItemList newItems;
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for(PlaylistItemList::ConstIterator it = matched.begin(); it != matched.end(); ++it) {
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if(!oldItems.remove((*it)->collectionItem()))
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newItems.append((*it)->collectionItem());
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}
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// kdDebug(65432) << k_funcinfo << "newItems.size() == " << newItems.size() << endl;
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for(QPtrDictIterator<PlaylistItem> it(oldItems); it.current(); ++it)
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clearItem(it.current(), false);
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if(!oldItems.isEmpty() && newItems.isEmpty())
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dataChanged();
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createItems(newItems);
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if(synchronizePlaying()) {
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kdDebug(65432) << k_funcinfo << "synchronizing playing" << endl;
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synchronizePlayingItems(m_search.playlists(), true);
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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// helper functions
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////////////////////////////////////////////////////////////////////////////////
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QDataStream &operator<<(QDataStream &s, const SearchPlaylist &p)
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{
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s << p.name()
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<< p.playlistSearch();
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return s;
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}
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QDataStream &operator>>(QDataStream &s, SearchPlaylist &p)
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{
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QString name;
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PlaylistSearch search;
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s >> name
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>> search;
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p.setName(name);
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p.setPlaylistSearch(search, false);
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return s;
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}
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#include "searchplaylist.moc"
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