libkdepim/nepomukwarning.cpp

   1 /*
   2   Copyright 2011 Volker Krause <vkrause@kde.org>
   3
   4   This library is free software; you can redistribute it and/or
   5   modify it under the terms of the GNU Library General Public
   6   License as published by the Free Software Foundation; either
   7   version 2 of the License, or (at your option) any later version.
   8
   9   This library is distributed in the hope that it will be useful,
  10   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12   Library General Public License for more details.
  13
  14   You should have received a copy of the GNU Library General Public License
  15   along with this library; see the file COPYING.LIB.  If not, write to
  16   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17   Boston, MA 02110-1301, USA.
  18 */
  19
  20 #include "nepomukwarning.h"
  21
  22 #include <Nepomuk/ResourceManager>
  23
  24 #include <KAction>
  25 #include <KConfig>
  26 #include <KConfigGroup>
  27 #include <KDebug>
  28 #include <KLocalizedString>
  29 #include <KStandardDirs>
  30 #include <KService>
  31
  32 #include <QProcess>
  33
  34 KPIM::NepomukWarning::NepomukWarning( const char *neverShowAgainKey, QWidget *parent )
  35   : KMessageWidget( parent ),
  36     m_neverShowAgainKey( QLatin1String( neverShowAgainKey ) )
  37 {
  38   const bool neverShowAgain = missingNepomukWarning( neverShowAgainKey );
  39   if ( !neverShowAgain )
  40   {
  41     setMessageType( Warning );
  42     setCloseButtonVisible( true );
  43     setWordWrap( true );
  44     setText( i18n( "You do not have the semantic desktop system enabled. "
  45                    "Many important features of this software depend on the "
  46                    "semantic desktop system and will not work correctly without it." ) );
  47
  48     connect( Nepomuk::ResourceManager::instance(), SIGNAL(nepomukSystemStarted()),
  49              SLOT(animatedHide()) );
  50     connect( Nepomuk::ResourceManager::instance(), SIGNAL(nepomukSystemStopped()),
  51              SLOT(animatedShow()) );
  52
  53     setVisible( !Nepomuk::ResourceManager::instance()->initialized() );
  54
  55     KAction *action = this->findChild<KAction *>(); // should give us the close action...
  56     if ( action ) {
  57       connect( action, SIGNAL(triggered(bool)), SLOT(explicitlyClosed()) );
  58     }
  59
  60     action = new KAction( KIcon( "configure" ), i18n( "&Configure" ), this );
  61     connect( action, SIGNAL(triggered(bool)), SLOT(configure()) );
  62     addAction( action );
  63   }
  64   else
  65     setVisible(false);
  66 }
  67
  68 bool KPIM::NepomukWarning::missingNepomukWarning( const char *neverShowAgainKey )
  69 {
  70   const KConfigGroup cfgGroup( KGlobal::config(), QLatin1String( "Missing Nepomuk Warning" ) );
  71   const bool neverShowAgain = cfgGroup.readEntry( neverShowAgainKey, false );
  72   return neverShowAgain;
  73 }
  74
  75 void KPIM::NepomukWarning::configure()
  76 {
  77   if ( KService::serviceByStorageId( "kcm_nepomuk.desktop" ) ) {
  78     QProcess::startDetached( KStandardDirs::findExe( QLatin1String( "kcmshell4" ) ),
  79                              QStringList( QLatin1String( "kcm_nepomuk" ) ) );
  80   } else {
  81     KAction *action = qobject_cast<KAction *>( sender() );
  82     action->setEnabled( false );
  83     setText( i18n( "The module to configure the semantic desktop system (Nepomuk) "
  84                    "was not found on your system. Please make sure Nepomuk was "
  85                    "properly installed." ) );
  86   }
  87
  88 }
  89
  90 void KPIM::NepomukWarning::setMissingFeatures( const QStringList &features )
  91 {
  92   if ( !features.isEmpty() ) {
  93     setText( i18n( "You do not have the semantic desktop system enabled. "
  94                    "The following features will not work correctly:<ul><li>%1</li></ul>",
  95                    features.join( QLatin1String( "</li><li>" ) ) ) );
  96   }
  97 }
  98
  99 void KPIM::NepomukWarning::explicitlyClosed()
 100 {
 101   KConfigGroup cfgGroup( KGlobal::config(), QLatin1String( "Missing Nepomuk Warning" ) );
 102   cfgGroup.writeEntry( m_neverShowAgainKey, true );
 103 }
 104
 105 #include "nepomukwarning.moc"