Playlist model

modules/gui/qt4/Modules.am

@@ -17,6 +17,7 @@ UIH = $(TOUI:%=%.h)
 TOMOC = main_interface \
 	dialogs_provider \
 	input_manager \
+    playlist_model
 	dialogs/playlist \
 	dialogs/prefs_dialog \
 	dialogs/streaminfo \
@@ -31,6 +32,7 @@ nodist_SOURCES_qt4 = \
 		main_interface.moc.cpp \
 		dialogs_provider.moc.cpp \
 		input_manager.moc.cpp \
+        playlist_model.moc.cpp \
 		dialogs/playlist.moc.cpp \
 		dialogs/streaminfo.moc.cpp \
 		dialogs/prefs_dialog.moc.cpp \
@@ -61,6 +63,7 @@ SOURCES_qt4 = 	qt4.cpp \
 		main_interface.cpp \
 		dialogs_provider.cpp \
 		input_manager.cpp \
+        playlist_model.cpp \
 		dialogs/playlist.cpp \
 		dialogs/prefs_dialog.cpp \
 		dialogs/streaminfo.cpp \
@@ -76,6 +79,7 @@ EXTRA_DIST += \
 	main_interface.hpp \
 	dialogs_provider.hpp \
 	input_manager.hpp \
+    playlist_model.hpp \
 	dialogs/playlist.hpp \
 	dialogs/streaminfo.hpp \
 	dialogs/prefs_dialog.hpp \

modules/gui/qt4/components/open.hpp

@@ -43,8 +43,6 @@ private:
     intf_thread_t *p_intf;
 public slots:
     virtual void sendUpdate() = 0;
-signals:
-    virtual void dataUpdated( QString, QString ) = 0;
 };
 
 class FileOpenPanel: public OpenPanel
@@ -59,7 +57,7 @@ private:
 public slots:
     virtual void sendUpdate() ;
 signals:
-    virtual void dataUpdated( QString, QString ) ;
+    void dataUpdated( QString, QString ) ;
 
 };
 

modules/gui/qt4/playlist_model.hpp

+/*****************************************************************************
+ * playlist_model.hpp : Model for a playlist tree
+ ****************************************************************************
+ * Copyright (C) 2000-2005 the VideoLAN team
+ * $Id: wxwidgets.cpp 15731 2006-05-25 14:43:53Z zorglub $
+ *
+ * Authors: Clément Stenac <zorglub@videolan.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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#ifndef _PLAYLIST_MODEL_H_
+#define _PLAYLIST_MODEL_H_
+
+#include <QObject>
+#include <QEvent>
+#include <vlc/vlc.h>
+#include <vlc/input.h>
+#include <vlc_playlist.h>
+
+class PLModel;
+
+class PLItem
+{
+public:
+    PLItem( int, int, PLItem *parent , PLModel *);
+    PLItem( playlist_item_t *, PLItem *parent, PLModel *);
+    ~PLItem();
+
+    int row() const;
+    void insertChild( PLItem *, int );
+
+    void appendChild( PLItem *item ) { insertChild( item, children.count() ); };
+    PLItem *child( int row ) { return children.value( row ); };
+    int childCount() const { return children.count(); };
+    QString columnString( int col ) { return strings.value( col ); };
+    PLItem *parent() { return parentItem; };
+protected:
+    QList<PLItem*> children;
+    int i_id;
+    int i_input_id;
+    friend class PLModel;
+private:
+    QList<QString> strings;
+    PLItem *parentItem;
+
+    PLModel *model;
+};
+
+static int ItemUpdate_Type = QEvent::User + 2;
+static int ItemDelete_Type = QEvent::User + 3;
+static int ItemAppend_Type = QEvent::User + 4;
+
+class PLEvent : public QEvent
+{
+public:
+    PLEvent( int type, int id ) : QEvent( (QEvent::Type)(type) )
+    { i_id = id; p_add = NULL; };
+    PLEvent(  playlist_add_t  *a ) : QEvent( (QEvent::Type)(ItemAppend_Type) )
+    { p_add = a; };
+    virtual ~PLEvent() {};
+                          
+    int i_id;
+    playlist_add_t *p_add;
+};   
+                    
+
+#include <QAbstractItemModel>
+#include <QModelIndex>
+#include <QVariant>
+
+class PLModel : public QAbstractItemModel
+{
+    Q_OBJECT
+
+public:
+    PLModel( playlist_item_t *, int, QObject *parent = 0);
+    ~PLModel();
+
+    void customEvent( QEvent * );
+
+    /* QModel stuff */
+    QVariant data( const QModelIndex &index, int role) const;
+    Qt::ItemFlags flags( const QModelIndex &index) const;
+    QVariant headerData( int section, Qt::Orientation orientation,
+                         int role = Qt::DisplayRole) const;
+    
+    QModelIndex index( int r, int c, const QModelIndex &parent ) const;
+    QModelIndex index( PLItem *, int c ) const;
+                    
+    QModelIndex parent( const QModelIndex &index) const;
+    int childrenCount( const QModelIndex &parent = QModelIndex() ) const;
+
+    bool b_need_update;
+    int i_items_to_append;
+private:
+    PLItem *rootItem;
+
+    playlist_t *p_playlist;
+
+    /* Update processing */
+    void ProcessInputItemUpdate( int i_input_id );
+    void ProcessItemRemoval( int i_id );
+    void ProcessItemAppend( playlist_add_t *p_add );
+            
+    /* Lookups */
+    PLItem *FindById( PLItem *, int );
+    PLItem *FindByInput( PLItem *, int );
+    PLItem *FindInner( PLItem *, int , bool );
+    PLItem *p_cached_item;
+    PLItem *p_cached_item_bi;
+    int i_cached_id;
+    int i_cached_input_id;
+
+friend class PLItem;
+};
+
+#endif