Hide the share action from AudioControls if there's no InfoPlugin that

can be used to share a track.

src/AudioControls.cpp

@@ -2,6 +2,7 @@
  *
  *   Copyright 2010-2011, Christian Muehlhaeuser <muesli@tomahawk-player.org>
  *   Copyright 2010-2011, Jeff Mitchell <jeff@tomahawk-player.org>
+ *   Copyright 2013,      Teo Mrnjavac <teo@kde.org>
  *
  *   Tomahawk is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -151,6 +152,10 @@ AudioControls::AudioControls( QWidget* parent )
     ui->pauseButton->setContentsMargins( 0, 0, 0, 0 );
     ui->stackedLayout->setSizeConstraint( QLayout::SetFixedSize );
 
+    connect( InfoSystem::InfoSystem::instance(), SIGNAL( updatedSupportedPushTypes( Tomahawk::InfoSystem::InfoTypeSet ) ),
+             this, SLOT( onInfoSystemPushTypesUpdated( Tomahawk::InfoSystem::InfoTypeSet ) ) );
+    onInfoSystemPushTypesUpdated( InfoSystem::InfoSystem::instance()->supportedPushTypes() );
+
     onPlaybackStopped(); // initial state
 }
 
@@ -272,7 +277,7 @@ AudioControls::onPlaybackLoading( const Tomahawk::result_ptr& result )
     ui->loveButton->setEnabled( true );
     ui->loveButton->setVisible( true );
     ui->socialButton->setEnabled( true );
-    ui->socialButton->setVisible( true );
+    ui->socialButton->setVisible( m_shouldShowShareAction );
     ui->ownerButton->setEnabled( true );
     ui->ownerButton->setVisible( true );
 
@@ -351,6 +356,25 @@ AudioControls::onSocialActionsLoaded()
 }
 
 
+void
+AudioControls::onInfoSystemPushTypesUpdated( InfoSystem::InfoTypeSet supportedTypes )
+{
+    if ( supportedTypes.contains( InfoSystem::InfoShareTrack ) )
+    {
+        m_shouldShowShareAction = true;
+    }
+    else
+    {
+        m_shouldShowShareAction = false;
+    }
+
+    if ( AudioEngine::instance()->state() == AudioEngine::Stopped )
+        ui->socialButton->setVisible( false );
+    else
+        ui->socialButton->setVisible( m_shouldShowShareAction );
+}
+
+
 void
 AudioControls::setSocialActions()
 {

src/AudioControls.h

@@ -89,6 +89,8 @@ private slots:
     void onCoverUpdated();
     void onSocialActionsLoaded();
 
+    void onInfoSystemPushTypesUpdated( Tomahawk::InfoSystem::InfoTypeSet supportedTypes );
+
 private:
     void setCover();
     void setSocialActions();
@@ -100,6 +102,7 @@ private:
     Tomahawk::result_ptr m_currentTrack;
     Tomahawk::PlaylistModes::RepeatMode m_repeatMode;
     bool m_shuffled;
+    bool m_shouldShowShareAction;
 
     QTimer m_phononTickCheckTimer;
     QTimeLine m_sliderTimeLine;

src/libtomahawk/infosystem/InfoSystem.cpp

@@ -173,6 +173,12 @@ InfoSystem::init()
     connect( worker, SIGNAL( finished( QString, Tomahawk::InfoSystem::InfoType ) ),
              this, SIGNAL( finished( QString, Tomahawk::InfoSystem::InfoType ) ), Qt::UniqueConnection );
 
+    qRegisterMetaType< Tomahawk::InfoSystem::InfoTypeSet >();
+    connect( worker, SIGNAL( updatedSupportedGetTypes( Tomahawk::InfoSystem::InfoTypeSet ) ),
+             this,   SLOT(   receiveUpdatedSupportedGetTypes( Tomahawk::InfoSystem::InfoTypeSet ) ) );
+    connect( worker, SIGNAL( updatedSupportedPushTypes( Tomahawk::InfoSystem::InfoTypeSet ) ),
+             this,   SLOT(   receiveUpdatedSupportedPushTypes( Tomahawk::InfoSystem::InfoTypeSet ) ) );
+
     QMetaObject::invokeMethod( worker, "init", Qt::QueuedConnection, Q_ARG( Tomahawk::InfoSystem::InfoSystemCache*, cache ) );
 
     m_inited = true;

src/libtomahawk/infosystem/InfoSystem.h

@@ -269,6 +269,7 @@ Q_DECLARE_METATYPE( Tomahawk::InfoSystem::InfoType );
 Q_DECLARE_METATYPE( QList< Tomahawk::InfoSystem::InfoStringHash > );
 Q_DECLARE_METATYPE( Tomahawk::InfoSystem::InfoPluginPtr );
 Q_DECLARE_METATYPE( Tomahawk::InfoSystem::InfoPlugin* );
+Q_DECLARE_METATYPE( Tomahawk::InfoSystem::InfoTypeSet );
 
 Q_DECLARE_INTERFACE( Tomahawk::InfoSystem::InfoPlugin, "tomahawk.InfoPlugin/1.0" )