Expire logplayback commands in the UI after 10minites, they are stale

Fixes TWK-39

src/libtomahawk/database/databasecommand_logplayback.cpp

@@ -45,7 +45,7 @@ DatabaseCommand_LogPlayback::postCommitHook()
     {
         emit trackPlayed( q );
     }
-    else if ( m_action == Started )
+    else if ( m_action == Started && QDateTime::fromTime_t( playtime() ).secsTo( QDateTime::currentDateTime() ) < 600 ) // if the play time is more than 10 minutes in the past, ignore
     {
         emit trackPlaying( q );
     }

src/libtomahawk/source.cpp

@@ -24,7 +24,6 @@
 #include "network/controlconnection.h"
 #include "database/databasecommand_addsource.h"
 #include "database/databasecommand_sourceoffline.h"
-#include "database/databasecommand_logplayback.h"
 #include "database/database.h"
 
 #include <QCoreApplication>
@@ -50,6 +49,10 @@ Source::Source( int id, const QString& username )
         m_isLocal = true;
         m_online = true;
     }
+
+    m_currentTrackTimer.setInterval( 600000 ); // 10 minutes
+    m_currentTrackTimer.setSingleShot( true );
+    connect( &m_currentTrackTimer, SIGNAL( timeout() ), this, SLOT( trackTimerFired() ) );
 }
 
 
@@ -278,4 +281,14 @@ Source::onPlaybackFinished( const Tomahawk::query_ptr& query )
 {
     qDebug() << Q_FUNC_INFO << query->toString();
     emit playbackFinished( query );
+
+    m_currentTrackTimer.start();
+}
+
+void
+Source::trackTimerFired()
+{
+    m_currentTrack.clear();
+
+    emit stateChanged();
 }

src/libtomahawk/source.h

@@ -105,6 +105,7 @@ private slots:
     void onStateChanged( DBSyncConnection::State newstate, DBSyncConnection::State oldstate, const QString& info );
     void onPlaybackStarted( const Tomahawk::query_ptr& query );
     void onPlaybackFinished( const Tomahawk::query_ptr& query );
+    void trackTimerFired();
 
 private:
     bool m_isLocal;
@@ -118,6 +119,7 @@ private:
 
     Tomahawk::query_ptr m_currentTrack;
     QString m_textStatus;
+    QTimer m_currentTrackTimer;
 
     ControlConnection* m_cc;