git.sesse.net Git - vlc/blob - modules/gui/qt4/components/playlist/selector.cpp

   1 /*****************************************************************************
   2  * selector.cpp : Playlist source selector
   3  ****************************************************************************
   4  * Copyright (C) 2006-2009 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Clément Stenac <zorglub@videolan.org>
   8  *          Jean-Baptiste Kempf
   9  *
  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.
  14  *
  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.
  19  *
  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  *****************************************************************************/
  24
  25 #ifdef HAVE_CONFIG_H
  26 # include "config.h"
  27 #endif
  28
  29 #include <assert.h>
  30
  31 #include "components/playlist/selector.hpp"
  32 #include "playlist_item.hpp"
  33 #include "qt4.hpp"
  34 #include "../../dialogs_provider.hpp"
  35
  36 #include <QVBoxLayout>
  37 #include <QHeaderView>
  38 #include <QMimeData>
  39 #include <QPushButton>
  40 #include <QLabel>
  41
  42 #include <vlc_playlist.h>
  43 #include <vlc_services_discovery.h>
  44
  45 PLSelector::PLSelector( QWidget *p, intf_thread_t *_p_intf )
  46            : QTreeWidget( p ), p_intf(_p_intf)
  47 {
  48     setItemDelegate( new PLSelectorDelegate() );
  49     setFrameStyle( QFrame::StyledPanel | QFrame::Plain );
  50     setIconSize( QSize( 24,24 ) );
  51     setIndentation( 15 );
  52     header()->hide();
  53     setRootIsDecorated( false );
  54     setAlternatingRowColors( true );
  55
  56     viewport()->setAcceptDrops(true);
  57     setDropIndicatorShown(true);
  58     invisibleRootItem()->setFlags( invisibleRootItem()->flags() & ~Qt::ItemIsDropEnabled );
  59
  60     createItems();
  61     CONNECT( this, itemActivated( QTreeWidgetItem *, int ),
  62              this, setSource( QTreeWidgetItem *) );
  63     /* I believe this is unnecessary, seeing
  64        QStyle::SH_ItemView_ActivateItemOnSingleClick
  65         CONNECT( view, itemClicked( QTreeWidgetItem *, int ),
  66              this, setSource( QTreeWidgetItem *) ); */
  67
  68     /* select the first item */
  69 //  view->setCurrentIndex( model->index( 0, 0, QModelIndex() ) );
  70 }
  71
  72 void PLSelector::setSource( QTreeWidgetItem *item )
  73 {
  74     if( !item )
  75         return;
  76
  77     bool b_ok;
  78     int i_type = item->data( 0, TYPE_ROLE ).toInt( &b_ok );
  79     if( !b_ok )
  80         return;
  81
  82     assert( ( i_type == PL_TYPE || i_type == ML_TYPE || i_type == SD_TYPE ) );
  83     if( i_type == SD_TYPE )
  84     {
  85         QString qs = item->data( 0, NAME_ROLE ).toString();
  86         if( !playlist_IsServicesDiscoveryLoaded( THEPL, qtu( qs ) ) )
  87         {
  88             playlist_ServicesDiscoveryAdd( THEPL, qtu( qs ) );
  89         }
  90     }
  91
  92     if( i_type == SD_TYPE )
  93         msg_Dbg( p_intf, "SD already loaded, reloading" );
  94
  95     playlist_Lock( THEPL );
  96     playlist_item_t *pl_item = NULL;
  97     if( i_type == SD_TYPE )
  98        pl_item = playlist_ChildSearchName( THEPL->p_root_category, qtu( item->data(0, LONGNAME_ROLE ).toString() ) );
  99     else if ( i_type == PL_TYPE )
 100        pl_item = THEPL->p_local_category;
 101     else if ( i_type == ML_TYPE )
 102        pl_item = THEPL->p_ml_category;
 103     playlist_Unlock( THEPL );
 104
 105     if( pl_item )
 106        emit activated( pl_item );
 107 }
 108
 109 void PLSelector::makeStandardItem( QTreeWidgetItem* item, const QString& str )
 110 {
 111   item->setText( 0,str );
 112 }
 113
 114 void PLSelector::createItems()
 115 {
 116     QTreeWidgetItem *pl = new QTreeWidgetItem( this );
 117     makeStandardItem( pl, qtr( "Playlist" ) );
 118     pl->setData( 0, TYPE_ROLE, PL_TYPE );
 119     pl->setData( 0, PPL_ITEM_ROLE, QVariant::fromValue( THEPL->p_local_category ) );
 120
 121     QTreeWidgetItem *lib = new QTreeWidgetItem( this );
 122     makeStandardItem( lib, qtr( "Media Library" ) );
 123     lib->setData( 0, TYPE_ROLE, ML_TYPE );
 124     lib->setData( 0, PPL_ITEM_ROLE, QVariant::fromValue( THEPL->p_ml_category ) );
 125
 126     QTreeWidgetItem *sds = new QTreeWidgetItem( this );
 127     makeStandardItem( sds, qtr( "Services" ) );
 128     sds->setExpanded( true );
 129     sds->setFlags( sds->flags() & ~Qt::ItemIsDropEnabled );
 130
 131     QTreeWidgetItem *mfldrs = new QTreeWidgetItem( sds );
 132     makeStandardItem( mfldrs, qtr( "Media Folders" ) );
 133     mfldrs->setFlags( mfldrs->flags() & ~Qt::ItemIsDropEnabled );
 134
 135     QTreeWidgetItem *shouts = new QTreeWidgetItem( sds );
 136     makeStandardItem( shouts, qtr( "Shoutcast" ) );
 137     shouts->setFlags( shouts->flags() & ~Qt::ItemIsDropEnabled );
 138
 139     char **ppsz_longnames;
 140     char **ppsz_names = vlc_sd_GetNames( &ppsz_longnames );
 141     if( !ppsz_names )
 142         return;
 143
 144     char **ppsz_name = ppsz_names, **ppsz_longname = ppsz_longnames;
 145     QTreeWidgetItem *sd_item;
 146     for( ; *ppsz_name; ppsz_name++, ppsz_longname++ )
 147     {
 148         sd_item = new QTreeWidgetItem(  );
 149
 150 #define SD_IS( name ) ( !strcmp( *ppsz_name, name ) )
 151
 152         if( SD_IS("shoutcast") || SD_IS("shoutcasttv") ||
 153             SD_IS("frenchtv") || SD_IS("freebox") )
 154         {
 155             shouts->addChild( sd_item );
 156             makeStandardItem( sd_item, qfu(*ppsz_longname) );
 157         }
 158         else if( SD_IS("video_dir") || SD_IS("audio_dir") || SD_IS("picture_dir") )
 159         {
 160             mfldrs->addChild( sd_item );
 161             makeStandardItem( sd_item, qfu(*ppsz_longname) );
 162         }
 163         else if( SD_IS("podcast") )
 164         {
 165             sds->addChild( sd_item );
 166
 167             QLabel *lbl = new QLabel("Podcasts");
 168             lbl->setMargin(3);
 169             QPushButton *btn = new QPushButton();
 170             btn->setMaximumWidth(30);
 171             btn->setIcon( QIcon( ":/menu/preferences" ) );
 172             QHBoxLayout *hbox = new QHBoxLayout();
 173             hbox->setContentsMargins(0,0,0,0);
 174             hbox->addWidget(lbl);
 175             hbox->addWidget(btn);
 176             QWidget *w = new QWidget();
 177             w->setLayout(hbox);
 178
 179             CONNECT( btn, clicked(), THEDP, podcastConfigureDialog() );
 180             setItemWidget( sd_item, 0, w );
 181         }
 182         else
 183         {
 184             sds->addChild( sd_item );
 185             makeStandardItem( sd_item, qfu(*ppsz_longname) );
 186         }
 187
 188 #undef SD_IS
 189
 190         sd_item->setData( 0, TYPE_ROLE, SD_TYPE );
 191         sd_item->setData( 0, NAME_ROLE, qfu( *ppsz_name ) );
 192         sd_item->setData( 0, LONGNAME_ROLE, qfu( *ppsz_longname ) );
 193         sd_item->setFlags( sd_item->flags() & ~Qt::ItemIsDropEnabled );
 194         free( *ppsz_name );
 195         free( *ppsz_longname );
 196     }
 197     free( ppsz_names );
 198     free( ppsz_longnames );
 199 }
 200
 201 QStringList PLSelector::mimeTypes() const
 202 {
 203     QStringList types;
 204     types << "vlc/qt-playlist-item";
 205     return types;
 206 }
 207
 208 bool PLSelector::dropMimeData ( QTreeWidgetItem * parent, int index,
 209   const QMimeData * data, Qt::DropAction action )
 210 {
 211     if( !parent ) return false;
 212
 213     QVariant type = parent->data( 0, TYPE_ROLE );
 214     if( type == QVariant() ) return false;
 215     int i_type = type.toInt();
 216     if( i_type != PL_TYPE && i_type != ML_TYPE ) return false;
 217     bool to_pl = i_type == PL_TYPE;
 218
 219     if( data->hasFormat( "vlc/qt-playlist-item" ) )
 220     {
 221         QByteArray encodedData = data->data( "vlc/qt-playlist-item" );
 222         QDataStream stream( &encodedData, QIODevice::ReadOnly );
 223         playlist_Lock( THEPL );
 224         while( !stream.atEnd() )
 225         {
 226             PLItem *item;
 227             stream.readRawData( (char*)&item, sizeof(PLItem*) );
 228             input_item_t *pl_input =item->inputItem();
 229             playlist_AddExt ( THEPL,
 230                 pl_input->psz_uri, pl_input->psz_name,
 231                 PLAYLIST_APPEND | PLAYLIST_SPREPARSE, PLAYLIST_END,
 232                 pl_input->i_duration,
 233                 pl_input->i_options, pl_input->ppsz_options, pl_input->optflagc,
 234                 to_pl, true );
 235         }
 236         playlist_Unlock( THEPL );
 237     }
 238     return true;
 239 }
 240
 241 PLSelector::~PLSelector()
 242 {
 243 }