modules/gui/qt/dialogs/mediainfo/mediainfo.cpp

   1 /*****************************************************************************
   2  * mediainfo.cpp : Information about an item
   3  ****************************************************************************
   4  * Copyright (C) 2006-2008 the VideoLAN team
   5  *
   6  * Authors: Clément Stenac <zorglub@videolan.org>
   7  *          Jean-Baptiste Kempf <jb@videolan.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  ******************************************************************************/
  23
  24 #ifdef HAVE_CONFIG_H
  25 # include "config.h"
  26 #endif
  27
  28 #include "mediainfo.hpp"
  29 #include "player/player_controller.hpp"
  30
  31 #include <vlc_url.h>
  32
  33 #include <QTabWidget>
  34 #include <QGridLayout>
  35 #include <QLineEdit>
  36 #include <QLabel>
  37 #include <QPushButton>
  38
  39 /* This Dialog has two main modes:
  40     - General Mode that shows the current Played item, and the stats
  41     - Single mode that shows the info on ONE SINGLE Item on the playlist
  42    Please be Careful of not breaking one the modes behaviour... */
  43
  44 MediaInfoDialog::MediaInfoDialog( intf_thread_t *_p_intf,
  45                                   input_item_t *p_item ) :
  46                                   QVLCFrame( _p_intf )
  47 {
  48     isMainInputInfo = ( p_item == NULL );
  49
  50     if ( isMainInputInfo )
  51         setWindowTitle( qtr( "Current Media Information" ) );
  52     else
  53         setWindowTitle( qtr( "Media Information" ) );
  54     setWindowRole( "vlc-media-info" );
  55
  56     setWindowFlags( Qt::Window | Qt::CustomizeWindowHint |
  57                     Qt::WindowCloseButtonHint | Qt::WindowMinimizeButtonHint );
  58
  59     /* TabWidgets and Tabs creation */
  60     infoTabW = new QTabWidget;
  61
  62     MP = new MetaPanel( infoTabW, p_intf );
  63     infoTabW->insertTab( META_PANEL, MP, qtr( "&General" ) );
  64     EMP = new ExtraMetaPanel( infoTabW );
  65     infoTabW->insertTab( EXTRAMETA_PANEL, EMP, qtr( "&Metadata" ) );
  66     IP = new InfoPanel( infoTabW );
  67     infoTabW->insertTab( INFO_PANEL, IP, qtr( "Co&dec" ) );
  68     if( isMainInputInfo )
  69     {
  70         ISP = new InputStatsPanel( infoTabW );
  71         infoTabW->insertTab( INPUTSTATS_PANEL, ISP, qtr( "S&tatistics" ) );
  72     }
  73
  74     QGridLayout *layout = new QGridLayout( this );
  75
  76     /* No need to use a QDialogButtonBox here */
  77     saveMetaButton = new QPushButton( qtr( "&Save Metadata" ) );
  78     saveMetaButton->hide();
  79     QPushButton *closeButton = new QPushButton( qtr( "&Close" ) );
  80     closeButton->setDefault( true );
  81
  82     QLabel *uriLabel = new QLabel( qtr( "Location:" ) );
  83     uriLine = new QLineEdit;
  84     uriLine->setReadOnly( true );
  85
  86     layout->addWidget( infoTabW, 0, 0, 1, 8 );
  87     layout->addWidget( uriLabel, 1, 0, 1, 1 );
  88     layout->addWidget( uriLine, 1, 1, 1, 7 );
  89     layout->addWidget( saveMetaButton, 2, 6 );
  90     layout->addWidget( closeButton, 2, 7 );
  91
  92     BUTTONACT( closeButton, close() );
  93
  94     /* The tabs buttons are shown in the main dialog for space and cosmetics */
  95     BUTTONACT( saveMetaButton, saveMeta() );
  96
  97     /* Let the MetaData Panel update the URI */
  98     CONNECT( MP, uriSet( const QString& ), this, updateURI( const QString& ) );
  99     CONNECT( MP, editing(), saveMetaButton, show() );
 100
 101     /* Display the buttonBar according to the Tab selected */
 102     CONNECT( infoTabW, currentChanged( int ), this, updateButtons( int ) );
 103
 104     /* If using the General Mode */
 105     if( isMainInputInfo )
 106     {
 107         msg_Dbg( p_intf, "Using a general info windows" );
 108         /**
 109          * Connects on the various signals of input_Manager
 110          * For the currently playing element
 111          **/
 112         connect( THEMIM, &PlayerController::infoChanged,
 113                   IP, &InfoPanel::update, Qt::DirectConnection  );
 114         connect( THEMIM, &PlayerController::currentMetaChanged,
 115                   MP, &MetaPanel::update, Qt::DirectConnection  );
 116         connect( THEMIM, &PlayerController::currentMetaChanged,
 117                   EMP, &ExtraMetaPanel::update, Qt::DirectConnection );
 118         connect( THEMIM, &PlayerController::statisticsUpdated,
 119                   ISP, &InputStatsPanel::update, Qt::DirectConnection);
 120
 121         p_item = THEMIM->getInput();
 122     }
 123     else
 124         msg_Dbg( p_intf, "Using an item specific info windows" );
 125
 126     /* Call update at start, so info is filled up at begginning */
 127     if( p_item )
 128         updateAllTabs( p_item );
 129
 130     restoreWidgetPosition( "Mediainfo", QSize( 600 , 480 ) );
 131 }
 132
 133 MediaInfoDialog::~MediaInfoDialog()
 134 {
 135     saveWidgetPosition( "Mediainfo" );
 136 }
 137
 138 void MediaInfoDialog::showTab( panel i_tab = META_PANEL )
 139 {
 140     infoTabW->setCurrentIndex( i_tab );
 141     show();
 142 }
 143
 144 int MediaInfoDialog::currentTab()
 145 {
 146     return infoTabW->currentIndex();
 147 }
 148
 149 void MediaInfoDialog::saveMeta()
 150 {
 151     MP->saveMeta();
 152     saveMetaButton->hide();
 153 }
 154
 155 void MediaInfoDialog::updateAllTabs( input_item_t *p_item )
 156 {
 157     if (! p_item)
 158         return;
 159
 160     IP->update( p_item );
 161     MP->update( p_item );
 162     EMP->update( p_item );
 163
 164     if( isMainInputInfo && p_item->p_stats ) ISP->update( *p_item->p_stats );
 165 }
 166
 167 void MediaInfoDialog::clearAllTabs()
 168 {
 169     IP->clear();
 170     MP->clear();
 171     EMP->clear();
 172
 173     if( isMainInputInfo ) ISP->clear();
 174 }
 175
 176 void MediaInfoDialog::close()
 177 {
 178     hide();
 179
 180     /* if dialog is closed, revert editing if not saved */
 181     if( MP->isInEditMode() )
 182     {
 183         MP->setEditMode( false );
 184         updateButtons( 0 );
 185     }
 186
 187     if( !isMainInputInfo )
 188         deleteLater();
 189 }
 190
 191 void MediaInfoDialog::updateButtons( int i_tab )
 192 {
 193     if( MP->isInEditMode() && i_tab == 0 )
 194         saveMetaButton->show();
 195     else
 196         saveMetaButton->hide();
 197 }
 198
 199 void MediaInfoDialog::updateURI( const QString& uri )
 200 {
 201     QString location;
 202
 203     /* If URI points to a local file, show the path instead of the URI */
 204     char *path = vlc_uri2path( qtu( uri ) );
 205     if( path != NULL )
 206     {
 207         location = qfu( path );
 208         free( path );
 209     }
 210     else
 211         location = uri;
 212
 213     uriLine->setText( location );
 214 }