1 /*
2  * playlisttab.h
3  *
4  * Copyright (C) 2009-2011 Christoph Pfister <christophpfister@gmail.com>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License along
17  * with this program; if not, write to the Free Software Foundation, Inc.,
18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19  */
20 
21 #ifndef PLAYLISTTAB_H
22 #define PLAYLISTTAB_H
23 
24 #include <QTreeView>
25 #include "../mediawidget.h"
26 #include "../tabbase.h"
27 
28 class QSplitter;
29 class Playlist;
30 class PlaylistBrowserView;
31 class PlaylistModel;
32 
33 class PlaylistView : public QTreeView
34 {
35 	Q_OBJECT
36 public:
37 	explicit PlaylistView(QWidget *parent);
38 	~PlaylistView();
39 
40 public slots:
41 	void removeSelectedRows();
42 
43 protected:
44 	void contextMenuEvent(QContextMenuEvent *event);
45 	void keyPressEvent(QKeyEvent *event);
46 };
47 
48 class PlaylistBrowserModel : public QAbstractListModel
49 {
50 	Q_OBJECT
51 public:
52 	PlaylistBrowserModel(PlaylistModel *playlistModel_, Playlist *temporaryPlaylist,
53 		QObject *parent);
54 	~PlaylistBrowserModel();
55 
56 	void append(Playlist *playlist);
57 	Playlist *getPlaylist(int row) const;
58 	void setCurrentPlaylist(Playlist *playlist);
59 	Playlist *getCurrentPlaylist() const;
60 	bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex());
61 
62 signals:
63 	void playTrack(Playlist *playlist, int track);
64 
65 private:
66 	int rowCount(const QModelIndex &parent) const;
67 	QVariant data(const QModelIndex &index, int role) const;
68 	Qt::ItemFlags flags(const QModelIndex &index) const;
69 	bool setData(const QModelIndex &index, const QVariant &value, int role);
70 
71 	PlaylistModel *playlistModel;
72 	QList<Playlist *> playlists;
73 	int currentPlaylist;
74 };
75 
76 class PlaylistTab : public TabBase
77 {
78 	Q_OBJECT
79 public:
80 	PlaylistTab(QMenu *menu, KActionCollection *collection, MediaWidget *mediaWidget_);
81 	~PlaylistTab();
82 
83 	void appendToCurrentPlaylist(const QList<QUrl> &urls, bool playImmediately);
84 	void appendToVisiblePlaylist(const QList<QUrl> &urls, bool playImmediately);
85 	void removeTrack(int row);
86 	void setRandom(bool random);
87 	void setRepeat(bool repeat);
88 
89 	int getCurrentTrack() const;
90 	int getTrackCount() const;
91 	bool getRandom() const;
92 	bool getRepeat() const;
93 
94 private slots:
95 	void createFileWidget();
96 	void newPlaylist();
97 	void renamePlaylist();
98 	void removePlaylist();
99 	void savePlaylist();
100 	void savePlaylistAs();
101 	void addSubtitle();
102 	void playlistActivated(const QModelIndex &index);
103 	void playPreviousTrack();
104 	void playCurrentTrack();
105 	void playNextTrack();
106 	void playTrack(Playlist *playlist, int track);
107 	void playTrack(const QModelIndex &index);
108 	void appendUrls(const QList<QUrl> &urls);
109 	void appendPlaylist(Playlist *playlist, bool playImmediately);
110 	void updateTrackLength(int length);
111 	void updateTrackMetadata(const QMap<MediaWidget::MetadataType, QString> &metadata);
112 
113 private:
114 	static QString subtitleExtensionFilter(); // usable for KFileDialog::setFilter()
115 	void activate();
116 	void savePlaylist(bool askName);
117 
118 	MediaWidget *mediaWidget;
119 	QLayout *mediaLayout;
120 	QSplitter *fileWidgetSplitter;
121 	PlaylistBrowserModel *playlistBrowserModel;
122 	PlaylistBrowserView *playlistBrowserView;
123 	PlaylistModel *playlistModel;
124 	PlaylistView *playlistView;
125 	QAction *randomAction;
126 	QAction *repeatAction;
127 };
128 
129 #endif /* PLAYLISTTAB_H */
130