/*****************************************************************************
* selector.cpp : Playlist source selector
****************************************************************************
- * Copyright (C) 2000-2005 the VideoLAN team
- * $Id: standardpanel.cpp 16024 2006-07-13 13:51:05Z xtophe $
+ * Copyright (C) 2006-2009 the VideoLAN team
+ * $Id$
*
* Authors: Clément Stenac <zorglub@videolan.org>
+ * Jean-Baptiste Kempf
*
* 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
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <assert.h>
+
#include "components/playlist/selector.hpp"
+#include "playlist_item.hpp"
+#include "qt4.hpp"
+#include "../../dialogs_provider.hpp"
+#include "playlist.hpp"
+#include "util/customwidgets.hpp"
+
+#include <QVBoxLayout>
+#include <QHeaderView>
+#include <QMimeData>
+#include <QInputDialog>
+#include <QMessageBox>
+
+#include <vlc_playlist.h>
+#include <vlc_services_discovery.h>
+
+void SelectorActionButton::paintEvent( QPaintEvent *event )
+{
+ QPainter p( this );
+ QColor color = palette().color( QPalette::HighlightedText );
+ color.setAlpha( 80 );
+ if( underMouse() )
+ p.fillRect( rect(), color );
+ p.setPen( color );
+ int frame = style()->pixelMetric( QStyle::PM_DefaultFrameWidth, 0, this );
+ p.drawLine( rect().topLeft() + QPoint( 0, frame ),
+ rect().bottomLeft() - QPoint( 0, frame ) );
+ QVLCFramelessButton::paintEvent( event );
+}
+
+PLSelItem::PLSelItem ( QTreeWidgetItem *i, const QString& text )
+ : qitem(i), lblAction( NULL)
+{
+ layout = new QHBoxLayout();
+ layout->setContentsMargins(0,0,0,0);
+ layout->addSpacing( 3 );
+
+ lbl = new QVLCElidingLabel( text );
+
+ layout->addWidget(lbl, 1);
+
+ setLayout( layout );
+
+ int height = qMax( 22, fontMetrics().height() + 8 );
+ setMinimumHeight( height );
+}
+
+void PLSelItem::addAction( ItemAction act, const QString& tooltip )
+{
+ if( lblAction ) return; //might change later
+
+ QIcon icon;
+
+ switch( act )
+ {
+ case ADD_ACTION:
+ icon = QIcon( ":/buttons/playlist/playlist_add" ); break;
+ case RM_ACTION:
+ icon = QIcon( ":/buttons/playlist/playlist_remove" ); break;
+ }
+
+ lblAction = new SelectorActionButton();
+ lblAction->setIcon( icon );
+ lblAction->setMinimumWidth( lblAction->sizeHint().width() + 6 );
+
+ if( !tooltip.isEmpty() ) lblAction->setToolTip( tooltip );
+
+ layout->addWidget( lblAction, 0 );
+ lblAction->hide();
+
+ CONNECT( lblAction, clicked(), this, triggerAction() );
+}
+
+void PLSelItem::showAction() { if( lblAction ) lblAction->show(); }
+
+void PLSelItem::hideAction() { if( lblAction ) lblAction->hide(); }
+
+void PLSelItem::setText( const QString& text ) { lbl->setText( text ); }
+
+void PLSelItem::enterEvent( QEvent *ev ){ showAction(); }
-PLSelector::PLSelector( QWidget *p, intf_thread_t *_p_intf ) : QWidget( p )
+void PLSelItem::leaveEvent( QEvent *ev ){ hideAction(); }
+
+PLSelector::PLSelector( QWidget *p, intf_thread_t *_p_intf )
+ : QTreeWidget( p ), p_intf(_p_intf)
{
- p_intf = _p_intf;
+ setFrameStyle( QFrame::NoFrame );
+ viewport()->setAutoFillBackground( false );
+ setIconSize( QSize( 24,24 ) );
+ setIndentation( 12 );
+ header()->hide();
+ setRootIsDecorated( true );
+ setAlternatingRowColors( false );
+ podcastsParent = NULL;
+ podcastsParentId = -1;
+
+ viewport()->setAcceptDrops(true);
+ setDropIndicatorShown(true);
+ invisibleRootItem()->setFlags( invisibleRootItem()->flags() & ~Qt::ItemIsDropEnabled );
+
+ CONNECT( THEMIM, playlistItemAppended( int, int ),
+ this, plItemAdded( int, int ) );
+ CONNECT( THEMIM, playlistItemRemoved( int ),
+ this, plItemRemoved( int ) );
+ CONNECT( THEMIM->getIM(), metaChanged( input_item_t *),
+ this, inputItemUpdate( input_item_t * ) );
+
+ createItems();
+ CONNECT( this, itemActivated( QTreeWidgetItem *, int ),
+ this, setSource( QTreeWidgetItem *) );
+ CONNECT( this, itemClicked( QTreeWidgetItem *, int ),
+ this, setSource( QTreeWidgetItem *) );
+
+ /* I believe this is unnecessary, seeing
+ QStyle::SH_ItemView_ActivateItemOnSingleClick
+ CONNECT( view, itemClicked( QTreeWidgetItem *, int ),
+ this, setSource( QTreeWidgetItem *) ); */
+
+ /* select the first item */
+// view->setCurrentIndex( model->index( 0, 0, QModelIndex() ) );
}
PLSelector::~PLSelector()
{
+ if( podcastsParent )
+ {
+ int c = podcastsParent->childCount();
+ for( int i = 0; i < c; i++ )
+ {
+ QTreeWidgetItem *item = podcastsParent->child(i);
+ input_item_t *p_input = item->data( 0, IN_ITEM_ROLE ).value<input_item_t*>();
+ vlc_gc_decref( p_input );
+ }
+ }
+}
+
+void PLSelector::setSource( QTreeWidgetItem *item )
+{
+ if( !item )
+ return;
+
+ bool b_ok;
+ int i_type = item->data( 0, TYPE_ROLE ).toInt( &b_ok );
+ if( !b_ok || i_type == CATEGORY_TYPE )
+ return;
+
+ bool sd_loaded;
+ if( i_type == SD_TYPE )
+ {
+ QString qs = item->data( 0, NAME_ROLE ).toString();
+ sd_loaded = playlist_IsServicesDiscoveryLoaded( THEPL, qtu( qs ) );
+ if( !sd_loaded )
+ playlist_ServicesDiscoveryAdd( THEPL, qtu( qs ) );
+ }
+
+ playlist_Lock( THEPL );
+
+ playlist_item_t *pl_item = NULL;
+
+ if( i_type == SD_TYPE )
+ {
+ pl_item = playlist_ChildSearchName( THEPL->p_root, qtu( item->data(0, LONGNAME_ROLE ).toString() ) );
+ if( item->data( 0, SPECIAL_ROLE ).toInt() == IS_PODCAST )
+ {
+ if( pl_item && !sd_loaded )
+ {
+ podcastsParentId = pl_item->i_id;
+ for( int i=0; i < pl_item->i_children; i++ )
+ addPodcastItem( pl_item->pp_children[i] );
+ }
+ pl_item = NULL; //to prevent activating it
+ }
+ }
+ else
+ pl_item = item->data( 0, PL_ITEM_ROLE ).value<playlist_item_t*>();
+
+ playlist_Unlock( THEPL );
+
+ if( pl_item )
+ emit activated( pl_item );
+}
+
+PLSelItem * PLSelector::addItem (
+ SelectorItemType type, const QString& str, bool drop,
+ QTreeWidgetItem* parentItem )
+{
+ QTreeWidgetItem *item = parentItem ?
+ new QTreeWidgetItem( parentItem ) : new QTreeWidgetItem( this );
+ PLSelItem *selItem = new PLSelItem( item, str );
+ setItemWidget( item, 0, selItem );
+ item->setData( 0, TYPE_ROLE, (int)type );
+ if( !drop ) item->setFlags( item->flags() & ~Qt::ItemIsDropEnabled );
+
+ return selItem;
+}
+
+PLSelItem * putSDData( PLSelItem* item, const char* name, const char* longname )
+{
+ item->treeItem()->setData( 0, NAME_ROLE, qfu( name ) );
+ item->treeItem()->setData( 0, LONGNAME_ROLE, qfu( longname ) );
+ return item;
+}
+
+PLSelItem * putPLData( PLSelItem* item, playlist_item_t* plItem )
+{
+ item->treeItem()->setData( 0, PL_ITEM_ROLE, QVariant::fromValue( plItem ) );
+/* item->setData( 0, PL_ITEM_ID_ROLE, plItem->i_id );
+ item->setData( 0, IN_ITEM_ROLE, QVariant::fromValue( (void*) plItem->p_input ) ); );*/
+ return item;
+}
+
+PLSelItem *PLSelector::addPodcastItem( playlist_item_t *p_item )
+{
+ vlc_gc_incref( p_item->p_input );
+ char *psz_name = input_item_GetName( p_item->p_input );
+ PLSelItem *item = addItem(
+ PL_ITEM_TYPE, qfu( psz_name ), false, podcastsParent );
+ item->addAction( RM_ACTION, qtr( "Remove this podcast subscription" ) );
+ item->treeItem()->setData( 0, PL_ITEM_ROLE, QVariant::fromValue( p_item ) );
+ item->treeItem()->setData( 0, PL_ITEM_ID_ROLE, QVariant(p_item->i_id) );
+ item->treeItem()->setData( 0, IN_ITEM_ROLE, QVariant::fromValue( p_item->p_input ) );
+ CONNECT( item, action( PLSelItem* ), this, podcastRemove( PLSelItem* ) );
+ free( psz_name );
+ return item;
+}
+
+void PLSelector::createItems()
+{
+ PLSelItem *pl = putPLData( addItem( PL_ITEM_TYPE, qtr( "Playlist" ), true ),
+ THEPL->p_playing );
+ pl->treeItem()->setData( 0, SPECIAL_ROLE, QVariant( IS_PL ) );
+
+ PLSelItem *ml = putPLData( addItem( PL_ITEM_TYPE, qtr( "Media Library" ), true ),
+ THEPL->p_media_library );
+ ml->treeItem()->setData( 0, SPECIAL_ROLE, QVariant( IS_ML ) );
+
+ QTreeWidgetItem *mycomp = addItem( CATEGORY_TYPE, qtr( "My Computer" ),
+ false )->treeItem();
+ QTreeWidgetItem *devices = addItem( CATEGORY_TYPE, qtr( "Devices" ),
+ false )->treeItem();
+ QTreeWidgetItem *lan = addItem( CATEGORY_TYPE, qtr( "Local Network" ),
+ false )->treeItem();
+ QTreeWidgetItem *internet = addItem( CATEGORY_TYPE, qtr( "Internet" ),
+ false )->treeItem();;
+
+ char **ppsz_longnames;
+ int *p_categories;
+ char **ppsz_names = vlc_sd_GetNames( THEPL, &ppsz_longnames, &p_categories );
+ if( !ppsz_names )
+ return;
+
+ char **ppsz_name = ppsz_names, **ppsz_longname = ppsz_longnames;
+ int *p_category = p_categories;
+ for( ; *ppsz_name; ppsz_name++, ppsz_longname++, p_category++ )
+ {
+ //msg_Dbg( p_intf, "Adding a SD item: %s", *ppsz_longname );
+
+ if( *p_category == SD_CAT_INTERNET )
+ {
+ PLSelItem *selItem = addItem( SD_TYPE, *ppsz_longname, false, internet );
+ putSDData( selItem, *ppsz_name, *ppsz_longname );
+ if( !strncmp( *ppsz_name, "podcast", 7 ) )
+ {
+ selItem->treeItem()->setData( 0, SPECIAL_ROLE, QVariant( IS_PODCAST ) );
+ selItem->addAction( ADD_ACTION, qtr( "Subscribe to a podcast" ) );
+ CONNECT( selItem, action( PLSelItem* ), this, podcastAdd( PLSelItem* ) );
+ podcastsParent = selItem->treeItem();
+ }
+ }
+ else if( *p_category == SD_CAT_DEVICES )
+ {
+ putSDData( addItem( SD_TYPE, *ppsz_longname, false, devices ),
+ *ppsz_name, *ppsz_longname );
+ }
+ else if( *p_category == SD_CAT_LAN )
+ {
+ putSDData( addItem( SD_TYPE, *ppsz_longname, false, lan ),
+ *ppsz_name, *ppsz_longname );
+ }
+ else if( *p_category == SD_CAT_MYCOMPUTER )
+ {
+ putSDData( addItem( SD_TYPE, *ppsz_longname, false, mycomp ),
+ *ppsz_name, *ppsz_longname );
+ }
+ else
+ {
+ putSDData( addItem( SD_TYPE, qtr( *ppsz_longname ), false ),
+ *ppsz_name, *ppsz_longname );
+ }
+
+ free( *ppsz_name );
+ free( *ppsz_longname );
+ }
+ free( ppsz_names );
+ free( ppsz_longnames );
+ free( p_categories );
+
+ if( mycomp->childCount() == 0 ) delete mycomp;
+ if( devices->childCount() == 0 ) delete devices;
+ if( lan->childCount() == 0 ) delete lan;
+ if( internet->childCount() == 0 ) delete internet;
+}
+
+QStringList PLSelector::mimeTypes() const
+{
+ QStringList types;
+ types << "vlc/qt-playlist-item";
+ return types;
+}
+
+bool PLSelector::dropMimeData ( QTreeWidgetItem * parent, int index,
+ const QMimeData * data, Qt::DropAction action )
+{
+ if( !parent ) return false;
+
+ QVariant type = parent->data( 0, TYPE_ROLE );
+ if( type == QVariant() ) return false;
+ int i_truth = parent->data( 0, SPECIAL_ROLE ).toInt();
+
+ if( i_truth != IS_PL && i_truth != IS_ML ) return false;
+ bool to_pl = ( i_truth == IS_PL );
+
+ if( data->hasFormat( "vlc/qt-playlist-item" ) )
+ {
+ QByteArray encodedData = data->data( "vlc/qt-playlist-item" );
+ QDataStream stream( &encodedData, QIODevice::ReadOnly );
+ playlist_Lock( THEPL );
+ while( !stream.atEnd() )
+ {
+ PLItem *item;
+ stream.readRawData( (char*)&item, sizeof(PLItem*) );
+ input_item_t *pl_input =item->inputItem();
+ playlist_AddExt ( THEPL,
+ pl_input->psz_uri, pl_input->psz_name,
+ PLAYLIST_APPEND | PLAYLIST_SPREPARSE, PLAYLIST_END,
+ pl_input->i_duration,
+ pl_input->i_options, pl_input->ppsz_options, pl_input->optflagc,
+ to_pl, true );
+ }
+ playlist_Unlock( THEPL );
+ }
+ return true;
+}
+
+void PLSelector::plItemAdded( int item, int parent )
+{
+ if( parent != podcastsParentId ) return;
+
+ playlist_Lock( THEPL );
+
+ playlist_item_t *p_item = playlist_ItemGetById( THEPL, item );
+ if( !p_item ) {
+ playlist_Unlock( THEPL );
+ return;
+ }
+
+ int c = podcastsParent->childCount();
+ for( int i = 0; i < c; i++ )
+ {
+ QTreeWidgetItem *podItem = podcastsParent->child(i);
+ if( podItem->data( 0, PL_ITEM_ID_ROLE ).toInt() == item )
+ {
+ //msg_Dbg( p_intf, "Podcast already in: (%d) %s", item, p_item->p_input->psz_uri);
+ playlist_Unlock( THEPL );
+ return;
+ }
+ }
+
+ //msg_Dbg( p_intf, "Adding podcast: (%d) %s", item, p_item->p_input->psz_uri );
+ addPodcastItem( p_item );
+
+ playlist_Unlock( THEPL );
+
+ podcastsParent->setExpanded( true );
+}
+
+void PLSelector::plItemRemoved( int id )
+{
+ int c = podcastsParent->childCount();
+ for( int i = 0; i < c; i++ )
+ {
+ QTreeWidgetItem *item = podcastsParent->child(i);
+ if( item->data( 0, PL_ITEM_ID_ROLE ).toInt() == id )
+ {
+ input_item_t *p_input = item->data( 0, IN_ITEM_ROLE ).value<input_item_t*>();
+ //msg_Dbg( p_intf, "Removing podcast: (%d) %s", id, p_input->psz_uri );
+ vlc_gc_decref( p_input );
+ delete item;
+ return;
+ }
+ }
+}
+
+void PLSelector::inputItemUpdate( input_item_t *arg )
+{
+ int c = podcastsParent->childCount();
+ for( int i = 0; i < c; i++ )
+ {
+ QTreeWidgetItem *item = podcastsParent->child(i);
+ input_item_t *p_input = item->data( 0, IN_ITEM_ROLE ).value<input_item_t*>();
+ if( p_input == arg )
+ {
+ PLSelItem *si = itemWidget( item );
+ char *psz_name = input_item_GetName( p_input );
+ si->setText( qfu( psz_name ) );
+ free( psz_name );
+ return;
+ }
+ }
+}
+
+void PLSelector::podcastAdd( PLSelItem* item )
+{
+ bool ok;
+ QString url = QInputDialog::getText( this, qtr( "Subscribe" ),
+ qtr( "Enter URL of the podcast to subscribe to:" ),
+ QLineEdit::Normal, QString(), &ok );
+ if( !ok || url.isEmpty() ) return;
+
+ setSource( podcastsParent ); //to load the SD in case it's not loaded
+
+ vlc_object_t *p_obj = (vlc_object_t*) vlc_object_find_name(
+ p_intf->p_libvlc, "podcast", FIND_CHILD );
+ if( !p_obj ) return;
+
+ QString request("ADD:");
+ request += url;
+ var_SetString( p_obj, "podcast-request", qtu( request ) );
+ vlc_object_release( p_obj );
+}
+
+void PLSelector::podcastRemove( PLSelItem* item )
+{
+ QString question ( qtr( "Do you really want to unsubscribe from %1?" ) );
+ question = question.arg( item->text() );
+ QMessageBox::StandardButton res =
+ QMessageBox::question( this, qtr( "Unsubscribe" ), question,
+ QMessageBox::Ok | QMessageBox::Cancel,
+ QMessageBox::Cancel );
+ if( res == QMessageBox::Cancel ) return;
+
+ input_item_t *input = item->treeItem()->data( 0, IN_ITEM_ROLE ).value<input_item_t*>();
+ if( !input ) return;
+
+ vlc_object_t *p_obj = (vlc_object_t*) vlc_object_find_name(
+ p_intf->p_libvlc, "podcast", FIND_CHILD );
+ if( !p_obj ) return;
+
+ QString request("RM:");
+ char *psz_uri = input_item_GetURI( input );
+ request += qfu( psz_uri );
+ var_SetString( p_obj, "podcast-request", qtu( request ) );
+ vlc_object_release( p_obj );
+ free( psz_uri );
+}
+
+PLSelItem * PLSelector::itemWidget( QTreeWidgetItem *item )
+{
+ return ( static_cast<PLSelItem*>( QTreeWidget::itemWidget( item, 0 ) ) );
+}
+
+void PLSelector::drawBranches ( QPainter * painter, const QRect & rect, const QModelIndex & index ) const
+{
+ if( !model()->hasChildren( index ) ) return;
+ QStyleOption option;
+ option.initFrom( this );
+ option.rect = rect.adjusted( rect.width() - indentation(), 0, 0, 0 );
+ style()->drawPrimitive( isExpanded( index ) ?
+ QStyle::PE_IndicatorArrowDown :
+ QStyle::PE_IndicatorArrowRight, &option, painter );
}
-