Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdemultimedia@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 115 insertions, 0 deletions

diff --git a/juk/searchplaylist.cpp b/juk/searchplaylist.cpp
new file mode 100644
index 00000000..2afd8549
--- /dev/null
+++ b/juk/searchplaylist.cpp
@@ -0,0 +1,115 @@
+/***************************************************************************
+    begin                : Mon May 5 2003
+    copyright            : (C) 2003 - 2004 by Scott Wheeler
+    email                : 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.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include <kdebug.h>
+
+#include <qptrdict.h>
+
+#include "searchplaylist.h"
+#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, "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();
+
+    QPtrDict<PlaylistItem> oldItems(503);
+
+    for(PlaylistItemList::ConstIterator it = l.begin(); it != l.end(); ++it)
+        oldItems.insert((*it)->collectionItem(), *it);
+
+    m_search.search();
+    PlaylistItemList matched = m_search.matchedItems();
+    PlaylistItemList newItems;
+
+    for(PlaylistItemList::ConstIterator it = matched.begin(); it != matched.end(); ++it) {
+        if(!oldItems.remove((*it)->collectionItem()))
+            newItems.append((*it)->collectionItem());
+    }
+
+    // kdDebug(65432) << k_funcinfo << "newItems.size() == " << newItems.size() << endl;
+
+    for(QPtrDictIterator<PlaylistItem> it(oldItems); it.current(); ++it)
+        clearItem(it.current(), false);
+
+    if(!oldItems.isEmpty() && newItems.isEmpty())
+	dataChanged();
+
+    createItems(newItems);
+
+    if(synchronizePlaying()) {
+        kdDebug(65432) << k_funcinfo << "synchronizing playing" << endl;
+        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;
+
+    p.setName(name);
+    p.setPlaylistSearch(search, false);
+
+    return s;
+}
+
+#include "searchplaylist.moc"