1 /*****************************************************************************
2 * selector.cpp : Playlist source selector
3 ****************************************************************************
4 * Copyright (C) 2006-2009 the VideoLAN team
7 * Authors: Clément Stenac <zorglub@videolan.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
30 #include "components/playlist/selector.hpp"
31 #include "playlist_model.hpp" /* plMimeData */
32 #include "input_manager.hpp" /* MainInputManager, for podcast */
34 #include <QApplication>
35 #include <QInputDialog>
36 #include <QMessageBox>
38 #include <QDragMoveEvent>
39 #include <QTreeWidgetItem>
40 #include <QHBoxLayout>
46 #include <vlc_playlist.h>
47 #include <vlc_services_discovery.h>
49 void SelectorActionButton::paintEvent( QPaintEvent *event )
52 QColor color = palette().color( QPalette::HighlightedText );
55 p.fillRect( rect(), color );
57 int frame = style()->pixelMetric( QStyle::PM_DefaultFrameWidth, 0, this );
58 p.drawLine( rect().topLeft() + QPoint( 0, frame ),
59 rect().bottomLeft() - QPoint( 0, frame ) );
60 QFramelessButton::paintEvent( event );
63 PLSelItem::PLSelItem ( QTreeWidgetItem *i, const QString& text )
64 : qitem(i), lblAction( NULL)
66 layout = new QHBoxLayout( this );
67 layout->setContentsMargins(0,0,0,0);
68 layout->addSpacing( 3 );
70 lbl = new QElidingLabel( text );
71 layout->addWidget(lbl, 1);
73 int height = qMax( 22, fontMetrics().height() + 8 );
74 setMinimumHeight( height );
77 void PLSelItem::addAction( ItemAction act, const QString& tooltip )
79 if( lblAction ) return; //might change later
86 icon = QIcon( ":/buttons/playlist/playlist_add" ); break;
88 icon = QIcon( ":/buttons/playlist/playlist_remove" ); break;
93 lblAction = new SelectorActionButton();
94 lblAction->setIcon( icon );
95 lblAction->setMinimumWidth( lblAction->sizeHint().width() + 6 );
97 if( !tooltip.isEmpty() ) lblAction->setToolTip( tooltip );
99 layout->addWidget( lblAction, 0 );
102 CONNECT( lblAction, clicked(), this, triggerAction() );
106 PLSelector::PLSelector( QWidget *p, intf_thread_t *_p_intf )
107 : QTreeWidget( p ), p_intf(_p_intf)
110 setFrameStyle( QFrame::NoFrame );
111 setAttribute( Qt::WA_MacShowFocusRect, false );
112 viewport()->setAutoFillBackground( false );
113 setIconSize( QSize( 24,24 ) );
114 setIndentation( 12 );
115 setHeaderHidden( true );
116 setRootIsDecorated( true );
117 setAlternatingRowColors( false );
120 viewport()->setAcceptDrops(true);
121 setDropIndicatorShown(true);
122 invisibleRootItem()->setFlags( invisibleRootItem()->flags() & ~Qt::ItemIsDropEnabled );
125 setAutoFillBackground( true );
127 palette.setColor( QPalette::Window, QColor(209,215,226) );
128 setPalette( palette );
130 setMinimumHeight( 120 );
133 podcastsParent = NULL;
134 podcastsParentId = -1;
136 /* Podcast connects */
137 CONNECT( THEMIM, playlistItemAppended( int, int ),
138 this, plItemAdded( int, int ) );
139 CONNECT( THEMIM, playlistItemRemoved( int ),
140 this, plItemRemoved( int ) );
141 DCONNECT( THEMIM->getIM(), metaChanged( input_item_t *),
142 this, inputItemUpdate( input_item_t * ) );
146 /* Expand at least to show level 2 */
147 for ( int i = 0; i < topLevelItemCount(); i++ )
148 expandItem( topLevelItem( i ) );
151 * We need to react to both clicks and activation (enter-key) here.
152 * We use curItem to avoid rebuilding twice.
153 * See QStyle::SH_ItemView_ActivateItemOnSingleClick
156 CONNECT( this, itemActivated( QTreeWidgetItem *, int ),
157 this, setSource( QTreeWidgetItem *) );
158 CONNECT( this, itemClicked( QTreeWidgetItem *, int ),
159 this, setSource( QTreeWidgetItem *) );
162 PLSelector::~PLSelector()
166 int c = podcastsParent->childCount();
167 for( int i = 0; i < c; i++ )
169 QTreeWidgetItem *item = podcastsParent->child(i);
170 input_item_t *p_input = item->data( 0, IN_ITEM_ROLE ).value<input_item_t*>();
171 vlc_gc_decref( p_input );
176 PLSelItem * putSDData( PLSelItem* item, const char* name, const char* longname )
178 item->treeItem()->setData( 0, NAME_ROLE, qfu( name ) );
179 item->treeItem()->setData( 0, LONGNAME_ROLE, qfu( longname ) );
183 PLSelItem * putPLData( PLSelItem* item, playlist_item_t* plItem )
185 item->treeItem()->setData( 0, PL_ITEM_ROLE, QVariant::fromValue( plItem ) );
186 /* item->setData( 0, PL_ITEM_ID_ROLE, plItem->i_id );
187 item->setData( 0, IN_ITEM_ROLE, QVariant::fromValue( (void*) plItem->p_input ) ); );*/
192 * Reads and updates the playlist's duration as [xx:xx] after the label in the tree
193 * item - the treeview item to get the duration for
194 * prefix - the string to use before the time (should be the category name)
196 void PLSelector::updateTotalDuration( PLSelItem* item, const char* prefix )
198 /* Getting the playlist */
199 QVariant playlistVariant = item->treeItem()->data( 0, PL_ITEM_ROLE );
200 playlist_item_t* node = playlistVariant.value<playlist_item_t*>();
202 /* Formatting time */
203 QString qs_timeLabel( prefix );
204 mtime_t mt_duration = playlist_GetNodeDuration( node );
205 int i_seconds = mt_duration / 1000000;
206 int i_minutes = i_seconds / 60;
207 i_seconds = i_seconds % 60;
208 if( i_minutes >= 60 )
210 int i_hours = i_minutes / 60;
211 i_minutes = i_minutes % 60;
212 qs_timeLabel += QString(" [%1:%2:%3]").arg( i_hours ).arg( i_minutes, 2, 10, QChar('0') ).arg( i_seconds, 2, 10, QChar('0') );
215 qs_timeLabel += QString( " [%1:%2]").arg( i_minutes, 2, 10, QChar('0') ).arg( i_seconds, 2, 10, QChar('0') );
217 item->setText( qs_timeLabel );
220 void PLSelector::createItems()
223 playlistItem = putPLData( addItem( PL_ITEM_TYPE, N_("Playlist"), true ),
225 playlistItem->treeItem()->setData( 0, SPECIAL_ROLE, QVariant( IS_PL ) );
226 setCurrentItem( playlistItem->treeItem() );
229 PLSelItem *ml = putPLData( addItem( PL_ITEM_TYPE, N_("Media Library"), true ),
230 THEPL->p_media_library );
231 ml->treeItem()->setData( 0, SPECIAL_ROLE, QVariant( IS_ML ) );
235 addItem( SQL_ML_TYPE, "SQL Media Library" )->treeItem();
239 QTreeWidgetItem *mycomp = addItem( CATEGORY_TYPE, N_("My Computer") )->treeItem();
240 QTreeWidgetItem *devices = addItem( CATEGORY_TYPE, N_("Devices") )->treeItem();
241 QTreeWidgetItem *lan = addItem( CATEGORY_TYPE, N_("Local Network") )->treeItem();
242 QTreeWidgetItem *internet = addItem( CATEGORY_TYPE, N_("Internet") )->treeItem();
244 #define NOT_SELECTABLE(w) w->setFlags( w->flags() ^ Qt::ItemIsSelectable );
245 NOT_SELECTABLE( mycomp );
246 NOT_SELECTABLE( devices );
247 NOT_SELECTABLE( lan );
248 NOT_SELECTABLE( internet );
249 #undef NOT_SELECTABLE
252 char **ppsz_longnames;
254 char **ppsz_names = vlc_sd_GetNames( THEPL, &ppsz_longnames, &p_categories );
258 char **ppsz_name = ppsz_names, **ppsz_longname = ppsz_longnames;
259 int *p_category = p_categories;
260 for( ; *ppsz_name; ppsz_name++, ppsz_longname++, p_category++ )
262 //msg_Dbg( p_intf, "Adding a SD item: %s", *ppsz_longname );
265 switch( *p_category )
267 case SD_CAT_INTERNET:
269 selItem = addItem( SD_TYPE, *ppsz_longname, false, internet );
270 if( !strncmp( *ppsz_name, "podcast", 7 ) )
272 selItem->treeItem()->setData( 0, SPECIAL_ROLE, QVariant( IS_PODCAST ) );
273 selItem->addAction( ADD_ACTION, qtr( "Subscribe to a podcast" ) );
274 CONNECT( selItem, action( PLSelItem* ), this, podcastAdd( PLSelItem* ) );
275 podcastsParent = selItem->treeItem();
280 selItem = addItem( SD_TYPE, *ppsz_longname, false, devices );
283 selItem = addItem( SD_TYPE, *ppsz_longname, false, lan );
285 case SD_CAT_MYCOMPUTER:
286 selItem = addItem( SD_TYPE, *ppsz_longname, false, mycomp );
289 selItem = addItem( SD_TYPE, *ppsz_longname );
292 putSDData( selItem, *ppsz_name, *ppsz_longname );
294 free( *ppsz_longname );
297 free( ppsz_longnames );
298 free( p_categories );
300 if( mycomp->childCount() == 0 ) delete mycomp;
301 if( devices->childCount() == 0 ) delete devices;
302 if( lan->childCount() == 0 ) delete lan;
303 if( internet->childCount() == 0 ) delete internet;
306 void PLSelector::setSource( QTreeWidgetItem *item )
308 if( !item || item == curItem )
312 int i_type = item->data( 0, TYPE_ROLE ).toInt( &b_ok );
313 if( !b_ok || i_type == CATEGORY_TYPE )
317 if( i_type == SD_TYPE )
319 QString qs = item->data( 0, NAME_ROLE ).toString();
320 sd_loaded = playlist_IsServicesDiscoveryLoaded( THEPL, qtu( qs ) );
323 if ( playlist_ServicesDiscoveryAdd( THEPL, qtu( qs ) ) != VLC_SUCCESS )
326 services_discovery_descriptor_t *p_test = new services_discovery_descriptor_t;
327 int i_ret = playlist_ServicesDiscoveryControl( THEPL, qtu( qs ), SD_CMD_DESCRIPTOR, p_test );
328 if( i_ret == VLC_SUCCESS && p_test->i_capabilities & SD_CAP_SEARCH )
329 item->setData( 0, CAP_SEARCH_ROLE, true );
333 else if( i_type == SQL_ML_TYPE )
335 emit categoryActivated( NULL, true );
344 playlist_Lock( THEPL );
345 playlist_item_t *pl_item = NULL;
347 /* Special case for podcast */
349 if( i_type == SD_TYPE )
351 /* Find the right item for the SD */
352 pl_item = playlist_ChildSearchName( THEPL->p_root,
353 qtu( item->data(0, LONGNAME_ROLE ).toString() ) );
356 if( item->data( 0, SPECIAL_ROLE ).toInt() == IS_PODCAST )
358 if( pl_item && !sd_loaded )
360 podcastsParentId = pl_item->i_id;
361 for( int i=0; i < pl_item->i_children; i++ )
362 addPodcastItem( pl_item->pp_children[i] );
364 pl_item = NULL; //to prevent activating it
368 pl_item = item->data( 0, PL_ITEM_ROLE ).value<playlist_item_t*>();
370 playlist_Unlock( THEPL );
374 emit categoryActivated( pl_item, false );
377 PLSelItem * PLSelector::addItem (
378 SelectorItemType type, const char* str, bool drop,
379 QTreeWidgetItem* parentItem )
381 QTreeWidgetItem *item = parentItem ?
382 new QTreeWidgetItem( parentItem ) : new QTreeWidgetItem( this );
384 PLSelItem *selItem = new PLSelItem( item, qtr( str ) );
385 setItemWidget( item, 0, selItem );
386 item->setData( 0, TYPE_ROLE, (int)type );
387 if( !drop ) item->setFlags( item->flags() & ~Qt::ItemIsDropEnabled );
392 PLSelItem *PLSelector::addPodcastItem( playlist_item_t *p_item )
394 vlc_gc_incref( p_item->p_input );
396 char *psz_name = input_item_GetName( p_item->p_input );
397 PLSelItem *item = addItem( PL_ITEM_TYPE, psz_name, false, podcastsParent );
400 item->addAction( RM_ACTION, qtr( "Remove this podcast subscription" ) );
401 item->treeItem()->setData( 0, PL_ITEM_ROLE, QVariant::fromValue( p_item ) );
402 item->treeItem()->setData( 0, PL_ITEM_ID_ROLE, QVariant(p_item->i_id) );
403 item->treeItem()->setData( 0, IN_ITEM_ROLE, QVariant::fromValue( p_item->p_input ) );
404 CONNECT( item, action( PLSelItem* ), this, podcastRemove( PLSelItem* ) );
408 QStringList PLSelector::mimeTypes() const
411 types << "vlc/qt-input-items";
415 bool PLSelector::dropMimeData ( QTreeWidgetItem * parent, int,
416 const QMimeData * data, Qt::DropAction )
418 if( !parent ) return false;
420 QVariant type = parent->data( 0, TYPE_ROLE );
421 if( type == QVariant() ) return false;
423 int i_truth = parent->data( 0, SPECIAL_ROLE ).toInt();
424 if( i_truth != IS_PL && i_truth != IS_ML ) return false;
426 bool to_pl = ( i_truth == IS_PL );
428 const PlMimeData *plMimeData = qobject_cast<const PlMimeData*>( data );
429 if( !plMimeData ) return false;
431 QList<input_item_t*> inputItems = plMimeData->inputItems();
433 playlist_Lock( THEPL );
435 foreach( input_item_t *p_input, inputItems )
437 playlist_item_t *p_item = playlist_ItemGetByInput( THEPL, p_input );
438 if( !p_item ) continue;
440 playlist_NodeAddCopy( THEPL, p_item,
441 to_pl ? THEPL->p_playing : THEPL->p_media_library,
445 playlist_Unlock( THEPL );
450 void PLSelector::dragMoveEvent ( QDragMoveEvent * event )
452 event->setDropAction( Qt::CopyAction );
453 QAbstractItemView::dragMoveEvent( event );
456 void PLSelector::plItemAdded( int item, int parent )
458 updateTotalDuration(playlistItem, "Playlist");
459 if( parent != podcastsParentId || podcastsParent == NULL ) return;
461 playlist_Lock( THEPL );
463 playlist_item_t *p_item = playlist_ItemGetById( THEPL, item );
465 playlist_Unlock( THEPL );
469 int c = podcastsParent->childCount();
470 for( int i = 0; i < c; i++ )
472 QTreeWidgetItem *podItem = podcastsParent->child(i);
473 if( podItem->data( 0, PL_ITEM_ID_ROLE ).toInt() == item )
475 //msg_Dbg( p_intf, "Podcast already in: (%d) %s", item, p_item->p_input->psz_uri);
476 playlist_Unlock( THEPL );
481 //msg_Dbg( p_intf, "Adding podcast: (%d) %s", item, p_item->p_input->psz_uri );
482 addPodcastItem( p_item );
484 playlist_Unlock( THEPL );
486 podcastsParent->setExpanded( true );
489 void PLSelector::plItemRemoved( int id )
491 updateTotalDuration(playlistItem, "Playlist");
492 if( !podcastsParent ) return;
494 int c = podcastsParent->childCount();
495 for( int i = 0; i < c; i++ )
497 QTreeWidgetItem *item = podcastsParent->child(i);
498 if( item->data( 0, PL_ITEM_ID_ROLE ).toInt() == id )
500 input_item_t *p_input = item->data( 0, IN_ITEM_ROLE ).value<input_item_t*>();
501 //msg_Dbg( p_intf, "Removing podcast: (%d) %s", id, p_input->psz_uri );
502 vlc_gc_decref( p_input );
509 void PLSelector::inputItemUpdate( input_item_t *arg )
511 updateTotalDuration(playlistItem, "Playlist");
513 if( podcastsParent == NULL )
516 int c = podcastsParent->childCount();
517 for( int i = 0; i < c; i++ )
519 QTreeWidgetItem *item = podcastsParent->child(i);
520 input_item_t *p_input = item->data( 0, IN_ITEM_ROLE ).value<input_item_t*>();
523 PLSelItem *si = itemWidget( item );
524 char *psz_name = input_item_GetName( p_input );
525 si->setText( qfu( psz_name ) );
532 void PLSelector::podcastAdd( PLSelItem * )
534 assert( podcastsParent );
537 QString url = QInputDialog::getText( this, qtr( "Subscribe" ),
538 qtr( "Enter URL of the podcast to subscribe to:" ),
539 QLineEdit::Normal, QString(), &ok );
540 if( !ok || url.isEmpty() ) return;
542 setSource( podcastsParent ); //to load the SD in case it's not loaded
544 vlc_object_t *p_obj = (vlc_object_t*) vlc_object_find_name( p_intf->p_libvlc, "podcast" );
547 QString request("ADD:");
548 request += url.trimmed();
549 var_SetString( p_obj, "podcast-request", qtu( request ) );
550 vlc_object_release( p_obj );
553 void PLSelector::podcastRemove( PLSelItem* item )
555 QString question ( qtr( "Do you really want to unsubscribe from %1?" ) );
556 question = question.arg( item->text() );
557 QMessageBox::StandardButton res =
558 QMessageBox::question( this, qtr( "Unsubscribe" ), question,
559 QMessageBox::Yes | QMessageBox::No,
561 if( res == QMessageBox::No ) return;
563 input_item_t *input = item->treeItem()->data( 0, IN_ITEM_ROLE ).value<input_item_t*>();
566 vlc_object_t *p_obj = (vlc_object_t*) vlc_object_find_name(
567 p_intf->p_libvlc, "podcast" );
570 QString request("RM:");
571 char *psz_uri = input_item_GetURI( input );
572 request += qfu( psz_uri );
573 var_SetString( p_obj, "podcast-request", qtu( request ) );
574 vlc_object_release( p_obj );
578 PLSelItem * PLSelector::itemWidget( QTreeWidgetItem *item )
580 return ( static_cast<PLSelItem*>( QTreeWidget::itemWidget( item, 0 ) ) );
583 void PLSelector::drawBranches ( QPainter * painter, const QRect & rect, const QModelIndex & index ) const
585 if( !model()->hasChildren( index ) ) return;
587 option.initFrom( this );
588 option.rect = rect.adjusted( rect.width() - indentation(), 0, 0, 0 );
589 style()->drawPrimitive( isExpanded( index ) ?
590 QStyle::PE_IndicatorArrowDown :
591 QStyle::PE_IndicatorArrowRight, &option, painter );
594 void PLSelector::getCurrentItemInfos( int* type, bool* can_delay_search, QString *string)
596 *type = currentItem()->data( 0, TYPE_ROLE ).toInt();
597 *string = currentItem()->data( 0, NAME_ROLE ).toString();
598 *can_delay_search = currentItem()->data( 0, CAP_SEARCH_ROLE ).toBool();
601 int PLSelector::getCurrentItemCategory()
603 return currentItem()->data( 0, SPECIAL_ROLE ).toInt();
606 void PLSelector::wheelEvent( QWheelEvent *e )
608 if( verticalScrollBar()->isVisible() && (
609 (verticalScrollBar()->value() != verticalScrollBar()->minimum() && e->delta() >= 0 ) ||
610 (verticalScrollBar()->value() != verticalScrollBar()->maximum() && e->delta() < 0 )
612 QApplication::sendEvent(verticalScrollBar(), e);
614 // Accept this event in order to prevent unwanted volume up/down changes