--- /dev/null
+/*****************************************************************************
+ * input_manager.cpp : Manage an input and interact with its GUI elements
+ ****************************************************************************
+ * 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.
+ *****************************************************************************/
+
+#include <QApplication>
+#include "playlist_model.hpp"
+#include <assert.h>
+
+
+static int PlaylistChanged( vlc_object_t *, const char *,
+ vlc_value_t, vlc_value_t, void * );
+static int PlaylistNext( vlc_object_t *, const char *,
+ vlc_value_t, vlc_value_t, void * );
+static int ItemChanged( vlc_object_t *, const char *,
+ vlc_value_t, vlc_value_t, void * );
+static int ItemAppended( vlc_object_t *p_this, const char *psz_variable,
+ vlc_value_t oval, vlc_value_t nval, void *param );
+static int ItemDeleted( vlc_object_t *p_this, const char *psz_variable,
+ vlc_value_t oval, vlc_value_t nval, void *param );
+
+
+/*************************************************************************
+ * Playlist item implementation
+ *************************************************************************/
+
+PLItem::PLItem( int _i_id, int _i_input_id, PLItem *parent, PLModel *m)
+{
+ parentItem = parent;
+ i_id = _i_id; i_input_id = _i_input_id;
+ model = m;
+}
+
+PLItem::PLItem( playlist_item_t * p_item, PLItem *parent, PLModel *m )
+{
+ i_id = p_item->i_id;
+ i_input_id = p_item->p_input->i_id;
+ parentItem = parent;
+ model = m;
+}
+
+PLItem::~PLItem()
+{
+ qDeleteAll(children);
+}
+
+void PLItem::insertChild( PLItem *item, int i_pos )
+{
+ assert( model );
+ model->beginInsertRows( model->index( this , 0 ), i_pos, i_pos );
+ children.append( item );
+ model->endInsertRows();
+}
+
+int PLItem::row() const
+{
+ if (parentItem)
+ return parentItem->children.indexOf(const_cast<PLItem*>(this));
+ return 0;
+}
+
+
+/*************************************************************************
+ * Playlist model implementation
+ *************************************************************************/
+
+PLModel::PLModel( playlist_item_t * p_root, int i_depth, QObject *parent)
+ : QAbstractItemModel(parent)
+{
+ rootItem = new PLItem( p_root, NULL, this );
+
+ i_items_to_append = 0;
+ b_need_update = false;
+ i_cached_id = -1;
+ i_cached_input_id = -1;
+
+ /* Some global changes happened -> Rebuild all */
+ var_AddCallback( p_playlist, "intf-change", PlaylistChanged, this );
+ /* We went to the next item */
+ var_AddCallback( p_playlist, "playlist-current", PlaylistNext, this );
+ /* One item has been updated */
+ var_AddCallback( p_playlist, "item-change", ItemChanged, this );
+ var_AddCallback( p_playlist, "item-append", ItemAppended, this );
+ var_AddCallback( p_playlist, "item-deleted", ItemDeleted, this );
+}
+
+PLModel::~PLModel()
+{
+ var_DelCallback( p_playlist, "item-change", ItemChanged, this );
+ var_DelCallback( p_playlist, "playlist-current", PlaylistNext, this );
+ var_DelCallback( p_playlist, "intf-change", PlaylistChanged, this );
+ var_DelCallback( p_playlist, "item-append", ItemAppended, this );
+ var_DelCallback( p_playlist, "item-deleted", ItemDeleted, this );
+ delete rootItem;
+}
+
+/****************** Base model mandatory implementations *****************/
+QVariant PLModel::data(const QModelIndex &index, int role) const
+{
+ if (!index.isValid())
+ return QVariant();
+ if (role != Qt::DisplayRole)
+ return QVariant();
+
+ PLItem *item = static_cast<PLItem*>(index.internalPointer());
+ return QVariant( item->columnString( index.column() ) );
+}
+
+Qt::ItemFlags PLModel::flags(const QModelIndex &index) const
+{
+ if (!index.isValid())
+ return Qt::ItemIsEnabled;
+
+ return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
+}
+
+QVariant PLModel::headerData( int section, Qt::Orientation orientation,
+ int role) const
+{
+ if (orientation == Qt::Horizontal && role == Qt::DisplayRole)
+ return QVariant( rootItem->columnString( section ) );
+ return QVariant();
+}
+
+QModelIndex PLModel::index(int row, int column, const QModelIndex &parent)
+ const
+{
+ PLItem *parentItem;
+ if (!parent.isValid())
+ parentItem = rootItem;
+ else
+ parentItem = static_cast<PLItem*>(parent.internalPointer());
+
+ PLItem *childItem = parentItem->child(row);
+ if (childItem)
+ return createIndex(row, column, childItem);
+ else
+ return QModelIndex();
+}
+
+/* Return the index of a given item */
+QModelIndex PLModel::index( PLItem *item, int column ) const
+{
+ if( !item ) return QModelIndex();
+ const PLItem *parent = item->parent();
+ if( parent )
+ return createIndex( parent->children.lastIndexOf( item ), column, item );
+ return QModelIndex();
+}
+
+QModelIndex PLModel::parent(const QModelIndex &index) const
+{
+ if (!index.isValid())
+ return QModelIndex();
+
+ PLItem *childItem = static_cast<PLItem*>(index.internalPointer());
+ PLItem *parentItem = childItem->parent();
+
+ if (parentItem == rootItem)
+ return QModelIndex();
+
+ return createIndex(parentItem->row(), 0, parentItem);
+}
+
+int PLModel::childrenCount(const QModelIndex &parent) const
+{
+ PLItem *parentItem;
+
+ if (!parent.isValid())
+ parentItem = rootItem;
+ else
+ parentItem = static_cast<PLItem*>(parent.internalPointer());
+
+ return parentItem->childCount();
+}
+
+/************************* Lookups *****************************/
+
+PLItem *PLModel::FindById( PLItem *root, int i_id )
+{
+ return FindInner( root, i_id, false );
+}
+
+PLItem *PLModel::FindByInput( PLItem *root, int i_id )
+{
+ return FindInner( root, i_id, true );
+}
+
+#define CACHE( i, p ) i_cached_id = i; p_cached_item = p;
+#define ICACHE( i, p ) i_cached_input_id = i; p_cached_item_bi = p;
+
+PLItem * PLModel::FindInner( PLItem *root, int i_id, bool b_input )
+{
+ if( ( !b_input && i_cached_id == i_id) ||
+ ( b_input && i_cached_input_id ==i_id ) )
+ return b_input ? p_cached_item_bi : p_cached_item;
+
+ if( !b_input && root->i_id == i_id )
+ {
+ CACHE( i_id, root );
+ return root;
+ }
+ else if( b_input && root->i_input_id == i_id )
+ {
+ ICACHE( i_id, root );
+ return root;
+ }
+
+ QList<PLItem *>::iterator it = root->children.begin();
+ while ( it != root->children.end() )
+ {
+ if( !b_input && (*it)->i_id == i_id )
+ {
+ CACHE( i_id, (*it) );
+ return p_cached_item;
+ }
+ else if( b_input && (*it)->i_input_id == i_id )
+ {
+ ICACHE( i_id, (*it) );
+ }
+ if( (*it)->children.size() )
+ {
+ PLItem *childFound = FindInner( (*it), i_id, b_input );
+ if( childFound )
+ {
+ if( b_input )
+ {
+ ICACHE( i_id, childFound );
+ }
+ else
+ {
+ CACHE( i_id, childFound );
+ }
+ return childFound;
+ }
+ }
+ }
+ return NULL;
+}
+#undef CACHE
+#undef ICACHE
+
+
+/************************* Updates handling *****************************/
+void PLModel::customEvent( QEvent *event )
+{
+ PLEvent *ple = dynamic_cast<PLEvent *>(event);
+
+ if( event->type() == ItemUpdate_Type )
+ ProcessInputItemUpdate( ple->i_id );
+ else if( event->type() == ItemAppend_Type )
+ ProcessItemAppend( ple->p_add );
+ else
+ ProcessItemRemoval( ple->i_id );
+}
+
+void PLModel::ProcessInputItemUpdate( int i_input_id )
+{
+ assert( i_input_id >= 0 );
+ /// \todo
+}
+
+void PLModel::ProcessItemRemoval( int i_id )
+{
+ assert( i_id >= 0 );
+ if( i_id == i_cached_id ) i_cached_id = -1;
+ i_cached_input_id = -1;
+
+ /// \todo
+}
+
+void PLModel::ProcessItemAppend( playlist_add_t *p_add )
+{
+ playlist_item_t *p_item = NULL;
+ i_items_to_append--;
+ if( b_need_update ) return;
+
+ PLItem *nodeItem = FindById( rootItem, p_add->i_node );
+ if( !nodeItem ) goto end;
+
+ p_item = playlist_ItemGetById( p_playlist, p_add->i_item );
+ if( !p_item || p_item->i_flags & PLAYLIST_DBL_FLAG ) goto end;
+
+ nodeItem->appendChild( new PLItem( p_item, nodeItem, this ) );
+
+
+end:
+ return;
+}
+
+/**********************************************************************
+ * Playlist callbacks
+ **********************************************************************/
+static int PlaylistChanged( vlc_object_t *p_this, const char *psz_variable,
+ vlc_value_t oval, vlc_value_t nval, void *param )
+{
+ PLModel *p_model = (PLModel *) param;
+ p_model->b_need_update = VLC_TRUE;
+ return VLC_SUCCESS;
+}
+
+static int PlaylistNext( vlc_object_t *p_this, const char *psz_variable,
+ vlc_value_t oval, vlc_value_t nval, void *param )
+{
+ PLModel *p_model = (PLModel *) param;
+ PLEvent *event = new PLEvent( ItemUpdate_Type, oval.i_int );
+ QApplication::postEvent( p_model, static_cast<QEvent*>(event) );
+ event = new PLEvent( ItemUpdate_Type, nval.i_int );
+ QApplication::postEvent( p_model, static_cast<QEvent*>(event) );
+ return VLC_SUCCESS;
+}
+
+static int ItemChanged( vlc_object_t *p_this, const char *psz_variable,
+ vlc_value_t oval, vlc_value_t nval, void *param )
+{
+ PLModel *p_model = (PLModel *) param;
+ PLEvent *event = new PLEvent( ItemUpdate_Type, nval.i_int );
+ QApplication::postEvent( p_model, static_cast<QEvent*>(event) );
+ return VLC_SUCCESS;
+}
+
+static int ItemDeleted( vlc_object_t *p_this, const char *psz_variable,
+ vlc_value_t oval, vlc_value_t nval, void *param )
+{
+ PLModel *p_model = (PLModel *) param;
+ PLEvent *event = new PLEvent( ItemDelete_Type, nval.i_int );
+ QApplication::postEvent( p_model, static_cast<QEvent*>(event) );
+ return VLC_SUCCESS;
+}
+
+static int ItemAppended( vlc_object_t *p_this, const char *psz_variable,
+ vlc_value_t oval, vlc_value_t nval, void *param )
+{
+ PLModel *p_model = (PLModel *) param;
+ playlist_add_t *p_add = (playlist_add_t *)malloc( sizeof( playlist_add_t));
+ memcpy( p_add, nval.p_address, sizeof( playlist_add_t ) );
+
+ if( ++p_model->i_items_to_append >= 50 )
+ {
+ p_model->b_need_update = VLC_TRUE;
+ return VLC_SUCCESS;
+ }
+ PLEvent *event = new PLEvent( p_add );
+ QApplication::postEvent( p_model, static_cast<QEvent*>(event) );
+ return VLC_SUCCESS;
+}
--- /dev/null
+/*****************************************************************************
+ * 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
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