* Added a few overlay info messages.

src/libtomahawk/playlist/albummodel.cpp

@@ -226,6 +226,8 @@ AlbumModel::removeIndex( const QModelIndex& index )
         delete item;
         emit endRemoveRows();
     }
+
+    emit itemCountChanged( rowCount( QModelIndex() ) );
 }
 
 
@@ -259,7 +261,7 @@ AlbumModel::addCollection( const collection_ptr& collection, bool overwrite )
 
     if ( collection.isNull() )
     {
-        connect( SourceList::instance(), SIGNAL( sourceAdded( Tomahawk::source_ptr ) ), SLOT( onSourceAdded( Tomahawk::source_ptr ) ) );
+        connect( SourceList::instance(), SIGNAL( sourceAdded( Tomahawk::source_ptr ) ), SLOT( onSourceAdded( Tomahawk::source_ptr ) ), Qt::UniqueConnection );
 
         QList<Tomahawk::source_ptr> sources = SourceList::instance()->sources();
         foreach ( const source_ptr& source, sources )
@@ -289,6 +291,7 @@ AlbumModel::addFilteredCollection( const collection_ptr& collection, unsigned in
     cmd->setSortOrder( order );
     cmd->setSortDescending( true );
     m_overwriteOnAdd = overwrite;
+    m_collection = collection;
 
     connect( cmd, SIGNAL( albums( QList<Tomahawk::album_ptr>, QVariant ) ),
                     SLOT( addAlbums( QList<Tomahawk::album_ptr> ) ) );
@@ -313,7 +316,10 @@ AlbumModel::addAlbums( const QList<Tomahawk::album_ptr>& albums )
         clear();
 
     if ( !albums.count() )
+    {
+        emit itemCountChanged( rowCount( QModelIndex() ) );
         return;
+    }
 
     int c = rowCount( QModelIndex() );
     QPair< int, int > crows;
@@ -332,6 +338,7 @@ AlbumModel::addAlbums( const QList<Tomahawk::album_ptr>& albums )
     }
 
     emit endInsertRows();
+    emit itemCountChanged( rowCount( QModelIndex() ) );
 }
 
 
@@ -345,10 +352,7 @@ AlbumModel::onSourceAdded( const Tomahawk::source_ptr& source )
 void
 AlbumModel::onCollectionChanged()
 {
-    if ( m_collection )
+    addCollection( m_collection, true );
-        addCollection( m_collection, true );
-    else
-        addCollection( m_collection, true );
 }
 
 
@@ -395,7 +399,6 @@ AlbumModel::infoSystemInfo( Tomahawk::InfoSystem::InfoRequestData requestData, Q
     if ( requestData.caller != s_tmInfoIdentifier ||
        ( requestData.type != Tomahawk::InfoSystem::InfoAlbumCoverArt && requestData.type != Tomahawk::InfoSystem::InfoArtistImages ) )
     {
-//        qDebug() << "Info of wrong type or not with our identifier";
         return;
     }
 

src/libtomahawk/playlist/albummodel.h

@@ -61,6 +61,8 @@ public:
     virtual QStringList mimeTypes() const;
     virtual Qt::ItemFlags flags( const QModelIndex& index ) const;
 
+    Tomahawk::collection_ptr collection() const { return m_collection; }
+
     void clear();
     void addCollection( const Tomahawk::collection_ptr& collection, bool overwrite = false );
     void addFilteredCollection( const Tomahawk::collection_ptr& collection, unsigned int amount, DatabaseCommand_AllAlbums::SortOrder order, bool overwrite = false );
@@ -92,7 +94,7 @@ signals:
     void repeatModeChanged( Tomahawk::PlaylistInterface::RepeatMode mode );
     void shuffleModeChanged( bool enabled );
 
-    void trackCountChanged( unsigned int tracks );
+    void itemCountChanged( unsigned int items );
 
     void loadingStarted();
     void loadingFinished();

src/libtomahawk/playlist/albumview.cpp

@@ -45,6 +45,7 @@ AlbumView::AlbumView( QWidget* parent )
     , m_proxyModel( 0 )
     , m_delegate( 0 )
     , m_loadingSpinner( new LoadingSpinner( this ) )
+    , m_overlay( new OverlayWidget( this ) )
 {
     setDragEnabled( true );
     setDropIndicatorShown( false );
@@ -111,6 +112,7 @@ AlbumView::setAlbumModel( AlbumModel* model )
     connect( m_proxyModel, SIGNAL( filterChanged( QString ) ), SLOT( onFilterChanged( QString ) ) );
     connect( m_proxyModel, SIGNAL( rowsInserted( QModelIndex, int, int ) ), SLOT( onViewChanged() ) );
 
+    connect( m_model, SIGNAL( itemCountChanged( unsigned int ) ), SLOT( onItemCountChanged( unsigned int ) ) );
     connect( m_model, SIGNAL( loadingStarted() ), m_loadingSpinner, SLOT( fadeIn() ) );
     connect( m_model, SIGNAL( loadingFinished() ), m_loadingSpinner, SLOT( fadeOut() ) );
 
@@ -143,6 +145,23 @@ AlbumView::onViewChanged()
 }
 
 
+void
+AlbumView::onItemCountChanged( unsigned int items )
+{
+    if ( items == 0 )
+    {
+        if ( m_model->collection().isNull() || ( !m_model->collection().isNull() && m_model->collection()->source()->isLocal() ) )
+            m_overlay->setText( tr( "After you have scanned your music collection you will find your latest album additions right here." ) );
+        else
+            m_overlay->setText( tr( "This collection doesn't have any recent albums." ) );
+
+        m_overlay->show();
+    }
+    else
+        m_overlay->hide();
+}
+
+
 void
 AlbumView::onScrollTimeout()
 {

src/libtomahawk/playlist/albumview.h

@@ -24,8 +24,9 @@
 #include <QTimer>
 
 #include "viewpage.h"
-#include "dllmacro.h"
 #include "albumproxymodel.h"
+#include "widgets/overlaywidget.h"
+#include "dllmacro.h"
 
 class AlbumModel;
 class LoadingSpinner;
@@ -68,6 +69,8 @@ protected:
     void resizeEvent( QResizeEvent* event );
 
 private slots:
+    void onItemCountChanged( unsigned int items );
+
     void onFilterChanged( const QString& filter );
 
     void onViewChanged();
@@ -78,6 +81,7 @@ private:
     AlbumProxyModel* m_proxyModel;
     AlbumItemDelegate* m_delegate;
     LoadingSpinner* m_loadingSpinner;
+    OverlayWidget* m_overlay;
 
     QTimer m_timer;
 };

src/libtomahawk/playlist/artistview.cpp

@@ -130,6 +130,7 @@ ArtistView::setTreeModel( TreeModel* model )
     connect( m_proxyModel, SIGNAL( filteringStarted() ), SLOT( onFilteringStarted() ) );
     connect( m_proxyModel, SIGNAL( filteringFinished() ), m_loadingSpinner, SLOT( fadeOut() ) );
 
+    connect( m_model, SIGNAL( itemCountChanged( unsigned int ) ), SLOT( onItemCountChanged( unsigned int ) ) );
     connect( m_proxyModel, SIGNAL( filterChanged( QString ) ), SLOT( onFilterChanged( QString ) ) );
     connect( m_proxyModel, SIGNAL( rowsInserted( QModelIndex, int, int ) ), SLOT( onViewChanged() ) );
 
@@ -167,6 +168,7 @@ ArtistView::onItemActivated( const QModelIndex& index )
     }
 }
 
+
 void
 ArtistView::keyPressEvent( QKeyEvent* event )
 {
@@ -206,6 +208,23 @@ ArtistView::resizeEvent( QResizeEvent* event )
 }
 
 
+void
+ArtistView::onItemCountChanged( unsigned int items )
+{
+    if ( items == 0 )
+    {
+        if ( m_model->collection().isNull() || ( !m_model->collection().isNull() && m_model->collection()->source()->isLocal() ) )
+            m_overlay->setText( tr( "After you have scanned your music collection you will find your tracks right here." ) );
+        else
+            m_overlay->setText( tr( "This collection is currently empty." ) );
+
+        m_overlay->show();
+    }
+    else
+        m_overlay->hide();
+}
+
+
 void
 ArtistView::onFilterChanged( const QString& )
 {

src/libtomahawk/playlist/artistview.h

@@ -81,6 +81,7 @@ protected:
     void keyPressEvent( QKeyEvent* event );
 
 private slots:
+    void onItemCountChanged( unsigned int items );
     void onFilterChanged( const QString& filter );
     void onFilteringStarted();
     void onViewChanged();

src/libtomahawk/playlist/playlistmodel.cpp

@@ -192,9 +192,6 @@ PlaylistModel::insert( const Tomahawk::query_ptr& query, int row )
 void
 PlaylistModel::insert( const QList< Tomahawk::query_ptr >& queries, int row )
 {
-    if ( !queries.count() )
-        return;
-
     QList< Tomahawk::plentry_ptr > entries;
     foreach( const query_ptr& query, queries )
     {
@@ -221,7 +218,10 @@ void
 PlaylistModel::insert( const QList< Tomahawk::plentry_ptr >& entries, int row )
 {
     if ( !entries.count() )
+    {
+        emit trackCountChanged( rowCount( QModelIndex() ) );
         return;
+    }
 
     int c = row;
     QPair< int, int > crows;

src/libtomahawk/playlist/playlistview.cpp

@@ -81,7 +81,6 @@ PlaylistView::setPlaylistModel( PlaylistModel* model )
 }
 
 
-
 void
 PlaylistView::keyPressEvent( QKeyEvent* event )
 {

src/libtomahawk/playlist/playlistview.h

@@ -52,7 +52,6 @@ public:
     virtual bool jumpToCurrentTrack();
     virtual bool isTemporaryPage() const;
 
-
 signals:
     void nameChanged( const QString& title );
     void destroyed( QWidget* widget );
@@ -60,7 +59,6 @@ signals:
 protected:
     void keyPressEvent( QKeyEvent* event );
 
-
 private slots:
     void onTrackCountChanged( unsigned int tracks );
     void onMenuTriggered( int action );
@@ -73,7 +71,6 @@ private:
     PlaylistModel* m_model;
     QString m_customTitle;
     QString m_customDescripton;
-
 };
 
 #endif // PLAYLISTVIEW_H

src/libtomahawk/playlist/trackmodel.cpp

@@ -367,7 +367,10 @@ void
 TrackModel::insert( const QList< Tomahawk::query_ptr >& queries, int row )
 {
     if ( !queries.count() )
+    {
+        emit trackCountChanged( rowCount( QModelIndex() ) );
         return;
+    }
 
     int c = row;
     QPair< int, int > crows;

src/libtomahawk/playlist/treemodel.cpp

@@ -568,8 +568,6 @@ TreeModel::removeIndexes( const QList<QModelIndex>& indexes )
 void
 TreeModel::addAllCollections()
 {
-    qDebug() << Q_FUNC_INFO;
-
     emit loadingStarted();
     DatabaseCommand_AllArtists* cmd = new DatabaseCommand_AllArtists();
 
@@ -578,7 +576,7 @@ TreeModel::addAllCollections()
 
     Database::instance()->enqueue( QSharedPointer<DatabaseCommand>( cmd ) );
 
-    connect( SourceList::instance(), SIGNAL( sourceAdded( Tomahawk::source_ptr ) ), SLOT( onSourceAdded( Tomahawk::source_ptr ) ) );
+    connect( SourceList::instance(), SIGNAL( sourceAdded( Tomahawk::source_ptr ) ), SLOT( onSourceAdded( Tomahawk::source_ptr ) ), Qt::UniqueConnection );
 
     QList<Tomahawk::source_ptr> sources = SourceList::instance()->sources();
     foreach ( const source_ptr& source, sources )
@@ -753,7 +751,10 @@ TreeModel::onArtistsAdded( const QList<Tomahawk::artist_ptr>& artists )
 {
     emit loadingFinished();
     if ( !artists.count() )
+    {
+        emit itemCountChanged( rowCount( QModelIndex() ) );
         return;
+    }
 
     int c = rowCount( QModelIndex() );
     QPair< int, int > crows;
@@ -771,6 +772,7 @@ TreeModel::onArtistsAdded( const QList<Tomahawk::artist_ptr>& artists )
     }
 
     emit endInsertRows();
+    emit itemCountChanged( rowCount( QModelIndex() ) );
 }
 
 

src/libtomahawk/playlist/treemodel.h

@@ -132,7 +132,7 @@ signals:
     void repeatModeChanged( Tomahawk::PlaylistInterface::RepeatMode mode );
     void shuffleModeChanged( bool enabled );
 
-    void trackCountChanged( unsigned int tracks );
+    void itemCountChanged( unsigned int items );
 
     void loadingStarted();
     void loadingFinished();