juk/historyplaylist.cpp

   1  /***************************************************************************
   2     begin                : Fri Aug 8 2003
   3     copyright            : (C) 2003 - 2004 by Scott Wheeler
   4     email                : wheeler@kde.org
   5 ***************************************************************************/
   6
   7 /***************************************************************************
   8  *                                                                         *
   9  *   This program is free software; you can redistribute it and/or modify  *
  10  *   it under the terms of the GNU General Public License as published by  *
  11  *   the Free Software Foundation; either version 2 of the License, or     *
  12  *   (at your option) any later version.                                   *
  13  *                                                                         *
  14  ***************************************************************************/
  15
  16 #include "historyplaylist.h"
  17 #include "collectionlist.h"
  18 #include "playermanager.h"
  19
  20 #include <QTimer>
  21
  22 #include <klocale.h>
  23 #include <kglobal.h>
  24 #include <kdebug.h>
  25
  26 ////////////////////////////////////////////////////////////////////////////////
  27 // HistoryPlayList public members
  28 ////////////////////////////////////////////////////////////////////////////////
  29
  30 HistoryPlaylist::HistoryPlaylist(PlaylistCollection *collection) :
  31     Playlist(collection, true), m_timer(0)
  32 {
  33     setAllowDuplicates(true);
  34     m_timer = new QTimer(this);
  35
  36     connect(PlayerManager::instance(), SIGNAL(signalPlay()), this, SLOT(slotAddPlaying()));
  37     connect(m_timer, SIGNAL(timeout()), this, SLOT(slotCreateNewItem()));
  38 }
  39
  40 HistoryPlaylist::~HistoryPlaylist()
  41 {
  42
  43 }
  44
  45 HistoryPlaylistItem *HistoryPlaylist::createItem(const FileHandle &file,
  46                                                  Q3ListViewItem *after, bool emitChanged)
  47 {
  48     if(!after)
  49         after = lastItem();
  50     return Playlist::createItem<HistoryPlaylistItem, CollectionListItem,
  51         CollectionList>(file, after, emitChanged);
  52 }
  53
  54 void HistoryPlaylist::createItems(const PlaylistItemList &siblings)
  55 {
  56     Playlist::createItems<CollectionListItem, HistoryPlaylistItem, PlaylistItem>(siblings);
  57 }
  58
  59 ////////////////////////////////////////////////////////////////////////////////
  60 // HistoryPlaylist protected members
  61 ////////////////////////////////////////////////////////////////////////////////
  62
  63 void HistoryPlaylist::polish()
  64 {
  65     addColumn(i18n("Time"));
  66     Playlist::polish();
  67     setSorting(-1);
  68 }
  69
  70 ////////////////////////////////////////////////////////////////////////////////
  71 // private slots
  72 ////////////////////////////////////////////////////////////////////////////////
  73
  74 void HistoryPlaylist::slotAddPlaying()
  75 {
  76     m_file = PlayerManager::instance()->playingFile();
  77     m_timer->stop();
  78     m_timer->setSingleShot(true);
  79     m_timer->start(delay());
  80 }
  81
  82 void HistoryPlaylist::slotCreateNewItem()
  83 {
  84     PlayerManager *player = PlayerManager::instance();
  85
  86     if(player->playing() && m_file == player->playingFile()) {
  87         createItem(m_file);
  88         m_file = FileHandle::null();
  89     }
  90 }
  91
  92 ////////////////////////////////////////////////////////////////////////////////
  93 // HistoryPlaylistItem public members
  94 ////////////////////////////////////////////////////////////////////////////////
  95
  96 HistoryPlaylistItem::HistoryPlaylistItem(CollectionListItem *item, Playlist *parent, Q3ListViewItem *after) :
  97     PlaylistItem(item, parent, after),
  98     m_dateTime(QDateTime::currentDateTime())
  99 {
 100     setText(0, KGlobal::locale()->formatDateTime(m_dateTime));
 101 }
 102
 103 HistoryPlaylistItem::HistoryPlaylistItem(CollectionListItem *item, Playlist *parent) :
 104     PlaylistItem(item, parent),
 105     m_dateTime(QDateTime::currentDateTime())
 106 {
 107     setText(0, KGlobal::locale()->formatDateTime(m_dateTime));
 108 }
 109
 110 HistoryPlaylistItem::~HistoryPlaylistItem()
 111 {
 112
 113 }
 114
 115 void HistoryPlaylistItem::setDateTime(const QDateTime &dt)
 116 {
 117     m_dateTime = dt;
 118     setText(0, KGlobal::locale()->formatDateTime(m_dateTime));
 119 }
 120
 121 ////////////////////////////////////////////////////////////////////////////////
 122 // helper functions
 123 ////////////////////////////////////////////////////////////////////////////////
 124
 125 QDataStream &operator<<(QDataStream &s, const HistoryPlaylist &p)
 126 {
 127     PlaylistItemList l = const_cast<HistoryPlaylist *>(&p)->items();
 128
 129     s << qint32(l.count());
 130
 131     for(PlaylistItemList::ConstIterator it = l.begin(); it != l.end(); ++it) {
 132         const HistoryPlaylistItem *i = static_cast<HistoryPlaylistItem *>(*it);
 133         s << i->file().absFilePath();
 134         s << i->dateTime();
 135     }
 136
 137     return s;
 138 }
 139
 140 QDataStream &operator>>(QDataStream &s, HistoryPlaylist &p)
 141 {
 142     qint32 count;
 143     s >> count;
 144
 145     HistoryPlaylistItem *after = 0;
 146
 147     QString fileName;
 148     QDateTime dateTime;
 149
 150     for(int i = 0; i < count; i++) {
 151         s >> fileName;
 152         s >> dateTime;
 153
 154         after = p.createItem(FileHandle(fileName), after, false);
 155         after->setDateTime(dateTime);
 156     }
 157
 158     p.dataChanged();
 159
 160     return s;
 161 }
 162
 163 #include "historyplaylist.moc"
 164
 165 // vim: set et sw=4 tw=0 sta: