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465 lines
12 KiB
465 lines
12 KiB
/***************************************************************************
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begin : Sun Feb 17 2002
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copyright : (C) 2002 - 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 <config.h>
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#include <kdebug.h>
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#include <kaction.h>
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#include <kiconloader.h>
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#include "playlistitem.h"
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#include "collectionlist.h"
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#include "musicbrainzquery.h"
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#include "tag.h"
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#include "actioncollection.h"
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#include "ktrm.h"
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#include "coverinfo.h"
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#include "tagtransactionmanager.h"
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PlaylistItemList PlaylistItem::m_playingItems; // static
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static void startMusicBrainzQuery(const FileHandle &file)
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{
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#if HAVE_MUSICBRAINZ
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// This deletes itself when finished.
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new MusicBrainzLookup(file);
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#else
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Q_UNUSED(file)
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#endif
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}
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////////////////////////////////////////////////////////////////////////////////
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// PlaylistItem public methods
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////////////////////////////////////////////////////////////////////////////////
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PlaylistItem::~PlaylistItem()
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{
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// Although this isn't the most efficient way to accomplish the task of
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// stopping playback when deleting the item being played, it has the
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// stark advantage of working reliably. I'll tell anyone who tries to
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// optimize this, the timing issues can be *hard*. -- mpyne
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m_collectionItem->removeChildItem(this);
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if(m_playingItems.find(this) != m_playingItems.end()) {
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m_playingItems.remove(this);
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if(m_playingItems.isEmpty())
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playlist()->setPlaying(0);
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}
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if(m_watched)
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Pointer::clear(this);
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}
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void PlaylistItem::setFile(const FileHandle &file)
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{
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m_collectionItem->updateCollectionDict(d->fileHandle.absFilePath(), file.absFilePath());
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d->fileHandle = file;
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refresh();
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}
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void PlaylistItem::setFile(const TQString &file)
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{
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TQString oldPath = d->fileHandle.absFilePath();
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d->fileHandle.setFile(file);
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m_collectionItem->updateCollectionDict(oldPath, d->fileHandle.absFilePath());
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refresh();
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}
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FileHandle PlaylistItem::file() const
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{
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return d->fileHandle;
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}
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const TQPixmap *PlaylistItem::pixmap(int column) const
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{
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static TQPixmap image(SmallIcon("image"));
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static TQPixmap playing(UserIcon("playing"));
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int offset = playlist()->columnOffset();
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if((column - offset) == CoverColumn && d->fileHandle.coverInfo()->hasCover())
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return ℑ
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if(column == playlist()->leftColumn() &&
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m_playingItems.contains(const_cast<PlaylistItem *>(this)))
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return &playing;
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return KListViewItem::pixmap(column);
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}
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TQString PlaylistItem::text(int column) const
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{
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if(!d->fileHandle.tag())
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return TQString::null;
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int offset = playlist()->columnOffset();
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switch(column - offset) {
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case TrackColumn:
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return d->fileHandle.tag()->title();
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case ArtistColumn:
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return d->fileHandle.tag()->artist();
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case AlbumColumn:
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return d->fileHandle.tag()->album();
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case CoverColumn:
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return TQString::null;
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case TrackNumberColumn:
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return d->fileHandle.tag()->track() > 0
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? TQString::number(d->fileHandle.tag()->track())
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: TQString::null;
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case GenreColumn:
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return d->fileHandle.tag()->genre();
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case YearColumn:
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return d->fileHandle.tag()->year() > 0
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? TQString::number(d->fileHandle.tag()->year())
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: TQString::null;
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case LengthColumn:
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return d->fileHandle.tag()->lengthString();
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case BitrateColumn:
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return TQString::number(d->fileHandle.tag()->bitrate());
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case CommentColumn:
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return d->fileHandle.tag()->comment();
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case FileNameColumn:
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return d->fileHandle.fileInfo().fileName();
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case FullPathColumn:
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return d->fileHandle.fileInfo().absFilePath();
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default:
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return KListViewItem::text(column);
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}
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}
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void PlaylistItem::setText(int column, const TQString &text)
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{
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int offset = playlist()->columnOffset();
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if(column - offset >= 0 && column + offset <= lastColumn()) {
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KListViewItem::setText(column, TQString::null);
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return;
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}
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KListViewItem::setText(column, text);
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playlist()->slotWeightDirty(column);
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}
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void PlaylistItem::setPlaying(bool playing, bool master)
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{
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m_playingItems.remove(this);
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if(playing) {
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if(master)
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m_playingItems.prepend(this);
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else
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m_playingItems.append(this);
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}
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else {
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// This is a tricky little recursion, but it
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// in fact does clear the list.
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if(!m_playingItems.isEmpty())
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m_playingItems.front()->setPlaying(false);
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}
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listView()->triggerUpdate();
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}
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void PlaylistItem::setSelected(bool selected)
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{
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playlist()->markItemSelected(this, selected);
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KListViewItem::setSelected(selected);
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}
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void PlaylistItem::guessTagInfo(TagGuesser::Type type)
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{
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switch(type) {
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case TagGuesser::FileName:
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{
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TagGuesser guesser(d->fileHandle.absFilePath());
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Tag *tag = TagTransactionManager::duplicateTag(d->fileHandle.tag());
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if(!guesser.title().isNull())
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tag->setTitle(guesser.title());
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if(!guesser.artist().isNull())
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tag->setArtist(guesser.artist());
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if(!guesser.album().isNull())
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tag->setAlbum(guesser.album());
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if(!guesser.track().isNull())
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tag->setTrack(guesser.track().toInt());
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if(!guesser.comment().isNull())
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tag->setComment(guesser.comment());
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TagTransactionManager::instance()->changeTagOnItem(this, tag);
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break;
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}
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case TagGuesser::MusicBrainz:
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startMusicBrainzQuery(d->fileHandle);
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break;
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}
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}
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Playlist *PlaylistItem::playlist() const
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{
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return static_cast<Playlist *>(listView());
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}
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TQValueVector<int> PlaylistItem::cachedWidths() const
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{
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return d->cachedWidths;
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}
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void PlaylistItem::refresh()
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{
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m_collectionItem->refresh();
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}
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void PlaylistItem::refreshFromDisk()
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{
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d->fileHandle.refresh();
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refresh();
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}
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void PlaylistItem::clear()
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{
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playlist()->clearItem(this);
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}
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////////////////////////////////////////////////////////////////////////////////
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// PlaylistItem protected methods
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////////////////////////////////////////////////////////////////////////////////
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PlaylistItem::PlaylistItem(CollectionListItem *item, Playlist *parent) :
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KListViewItem(parent),
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d(0),
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m_watched(0)
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{
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setup(item);
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}
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PlaylistItem::PlaylistItem(CollectionListItem *item, Playlist *parent, TQListViewItem *after) :
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KListViewItem(parent, after),
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d(0),
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m_watched(0)
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{
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setup(item);
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}
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// This constructor should only be used by the CollectionList subclass.
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PlaylistItem::PlaylistItem(CollectionList *parent) :
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KListViewItem(parent),
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m_watched(0)
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{
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d = new Data;
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m_collectionItem = static_cast<CollectionListItem *>(this);
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setDragEnabled(true);
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}
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void PlaylistItem::paintCell(TQPainter *p, const TQColorGroup &cg, int column, int width, int align)
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{
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if(!m_playingItems.contains(this))
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return KListViewItem::paintCell(p, cg, column, width, align);
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TQColorGroup colorGroup = cg;
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TQColor base = colorGroup.base();
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TQColor selection = colorGroup.highlight();
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int r = (base.red() + selection.red()) / 2;
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int b = (base.blue() + selection.blue()) / 2;
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int g = (base.green() + selection.green()) / 2;
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TQColor c(r, g, b);
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colorGroup.setColor(TQColorGroup::Base, c);
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TQListViewItem::paintCell(p, colorGroup, column, width, align);
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}
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int PlaylistItem::compare(TQListViewItem *item, int column, bool ascending) const
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{
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// reimplemented from QListViewItem
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int offset = playlist()->columnOffset();
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if(!item)
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return 0;
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PlaylistItem *playlistItem = static_cast<PlaylistItem *>(item);
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// The following statments first check to see if you can sort based on the
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// specified column. If the values for the two PlaylistItems are the same
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// in that column it then trys to sort based on columns 1, 2, 3 and 0,
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// (artist, album, track number, track name) in that order.
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int c = compare(this, playlistItem, column, ascending);
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if(c != 0)
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return c;
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else {
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// Loop through the columns doing comparisons until something is differnt.
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// If all else is the same, compare the track name.
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int last = playlist()->isColumnVisible(AlbumColumn + offset) ? TrackNumberColumn : ArtistColumn;
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for(int i = ArtistColumn; i <= last; i++) {
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if(playlist()->isColumnVisible(i + offset)) {
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c = compare(this, playlistItem, i, ascending);
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if(c != 0)
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return c;
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}
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}
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return compare(this, playlistItem, TrackColumn + offset, ascending);
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}
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}
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int PlaylistItem::compare(const PlaylistItem *firstItem, const PlaylistItem *secondItem, int column, bool) const
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{
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int offset = playlist()->columnOffset();
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if(column < 0 || column > lastColumn() + offset)
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return 0;
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if(column < offset) {
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TQString first = firstItem->text(column).lower();
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TQString second = secondItem->text(column).lower();
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return first.localeAwareCompare(second);
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}
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switch(column - offset) {
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case TrackNumberColumn:
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if(firstItem->d->fileHandle.tag()->track() > secondItem->d->fileHandle.tag()->track())
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return 1;
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else if(firstItem->d->fileHandle.tag()->track() < secondItem->d->fileHandle.tag()->track())
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return -1;
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else
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return 0;
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break;
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case LengthColumn:
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if(firstItem->d->fileHandle.tag()->seconds() > secondItem->d->fileHandle.tag()->seconds())
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return 1;
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else if(firstItem->d->fileHandle.tag()->seconds() < secondItem->d->fileHandle.tag()->seconds())
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return -1;
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else
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return 0;
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break;
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case BitrateColumn:
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if(firstItem->d->fileHandle.tag()->bitrate() > secondItem->d->fileHandle.tag()->bitrate())
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return 1;
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else if(firstItem->d->fileHandle.tag()->bitrate() < secondItem->d->fileHandle.tag()->bitrate())
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return -1;
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else
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return 0;
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break;
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case CoverColumn:
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if(firstItem->d->fileHandle.coverInfo()->hasCover() == secondItem->d->fileHandle.coverInfo()->hasCover())
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return 0;
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else if (firstItem->d->fileHandle.coverInfo()->hasCover())
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return -1;
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else
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return 1;
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break;
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default:
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return strcoll(firstItem->d->local8Bit[column - offset],
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secondItem->d->local8Bit[column - offset]);
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}
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}
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bool PlaylistItem::isValid() const
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{
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return bool(d->fileHandle.tag());
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}
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////////////////////////////////////////////////////////////////////////////////
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// PlaylistItem private methods
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////////////////////////////////////////////////////////////////////////////////
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void PlaylistItem::setup(CollectionListItem *item)
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{
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m_collectionItem = item;
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d = item->d;
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item->addChildItem(this);
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setDragEnabled(true);
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}
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////////////////////////////////////////////////////////////////////////////////
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// PlaylistItem::Pointer implementation
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////////////////////////////////////////////////////////////////////////////////
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TQMap<PlaylistItem *, TQValueList<PlaylistItem::Pointer *> > PlaylistItem::Pointer::m_map; // static
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PlaylistItem::Pointer::Pointer(PlaylistItem *item) :
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m_item(item)
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{
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if(!m_item)
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return;
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m_item->m_watched = true;
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m_map[m_item].append(this);
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}
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PlaylistItem::Pointer::Pointer(const Pointer &p) :
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m_item(p.m_item)
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{
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m_map[m_item].append(this);
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}
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PlaylistItem::Pointer::~Pointer()
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{
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if(!m_item)
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return;
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m_map[m_item].remove(this);
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if(m_map[m_item].isEmpty()) {
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m_map.remove(m_item);
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m_item->m_watched = false;
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}
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}
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PlaylistItem::Pointer &PlaylistItem::Pointer::operator=(PlaylistItem *item)
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{
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if(item == m_item)
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return *this;
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if(m_item) {
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m_map[m_item].remove(this);
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if(m_map[m_item].isEmpty()) {
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m_map.remove(m_item);
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m_item->m_watched = false;
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}
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}
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if(item) {
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m_map[item].append(this);
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item->m_watched = true;
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}
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m_item = item;
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return *this;
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}
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void PlaylistItem::Pointer::clear(PlaylistItem *item) // static
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{
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if(!item)
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return;
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TQValueList<Pointer *> l = m_map[item];
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for(TQValueList<Pointer *>::Iterator it = l.begin(); it != l.end(); ++it)
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(*it)->m_item = 0;
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m_map.remove(item);
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item->m_watched = false;
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}
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