kde-extraapps/juk/searchplaylist.cpp
2014-11-28 15:08:46 +00:00

117 lines
3.3 KiB
C++

/**
* Copyright (C) 2003-2004 Scott Wheeler <wheeler@kde.org>
*
* 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.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "searchplaylist.h"
#include "juk-exception.h"
#include <kdebug.h>
#include <QHash>
#include "playlistitem.h"
#include "collectionlist.h"
////////////////////////////////////////////////////////////////////////////////
// public methods
////////////////////////////////////////////////////////////////////////////////
SearchPlaylist::SearchPlaylist(PlaylistCollection *collection,
const PlaylistSearch &search,
const QString &name,
bool setupPlaylist,
bool synchronizePlaying) :
DynamicPlaylist(search.playlists(), collection, name, "edit-find",
setupPlaylist, synchronizePlaying),
m_search(search)
{
}
void SearchPlaylist::setPlaylistSearch(const PlaylistSearch &s, bool update)
{
m_search = s;
if(update)
setPlaylists(s.playlists());
}
////////////////////////////////////////////////////////////////////////////////
// protected methods
////////////////////////////////////////////////////////////////////////////////
void SearchPlaylist::updateItems()
{
// Here we don't simply use "clear" since that would involve a call to
// items() which would in turn call this method...
PlaylistItemList l = Playlist::items();
QHash<CollectionListItem *, PlaylistItem *> oldItems;
oldItems.reserve(503);
foreach(PlaylistItem *item, l)
oldItems.insert(item->collectionItem(), item);
m_search.search();
PlaylistItemList matched = m_search.matchedItems();
PlaylistItemList newItems;
foreach(PlaylistItem *item, matched) {
if(oldItems.remove(item->collectionItem()) == 0)
newItems.append(item->collectionItem());
}
clearItems(PlaylistItemList(oldItems.values()));
createItems(newItems);
if(synchronizePlaying()) {
kDebug() << "synchronizing playing";
synchronizePlayingItems(m_search.playlists(), true);
}
}
////////////////////////////////////////////////////////////////////////////////
// helper functions
////////////////////////////////////////////////////////////////////////////////
QDataStream &operator<<(QDataStream &s, const SearchPlaylist &p)
{
s << p.name()
<< p.playlistSearch();
return s;
}
QDataStream &operator>>(QDataStream &s, SearchPlaylist &p)
{
QString name;
PlaylistSearch search;
s >> name
>> search;
if(name.isEmpty())
throw BICStreamException();
p.setName(name);
p.setPlaylistSearch(search, false);
return s;
}
#include "searchplaylist.moc"
// vim: set et sw=4 tw=0 sta: