New virtual method used to identify the media type

src/GUI/AbstractGraphicsMediaItem.h

@@ -50,6 +50,9 @@ public:
     /// Should return the unique uid of the contained media.
     virtual const QUuid& uuid() const = 0;
 
+    /// Return the type of the media
+    virtual MainWorkflow::TrackType mediaType() const = 0;
+
     /// Group two items together
     void group( AbstractGraphicsMediaItem* item );
 

src/GUI/GraphicsAudioItem.cpp

@@ -51,6 +51,11 @@ GraphicsAudioItem::~GraphicsAudioItem()
 {
 }
 
+MainWorkflow::TrackType GraphicsAudioItem::mediaType() const
+{
+    return MainWorkflow::AudioTrack;
+}
+
 QRectF GraphicsAudioItem::boundingRect() const
 {
     return QRectF( 0, 0, m_width, m_height );

src/GUI/GraphicsAudioItem.h

@@ -45,6 +45,7 @@ public:
     virtual bool expandable() const { return false; }
     virtual bool moveable() const { return true; }
     virtual const QUuid& uuid() const { return m_clip->getUuid(); }
+    virtual MainWorkflow::TrackType mediaType() const;
     virtual QRectF boundingRect() const;
     virtual void paint( QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget = 0 );
 

src/GUI/GraphicsMovieItem.cpp

@@ -50,6 +50,11 @@ GraphicsMovieItem::~GraphicsMovieItem()
 {
 }
 
+MainWorkflow::TrackType GraphicsMovieItem::mediaType() const
+{
+    return MainWorkflow::VideoTrack;
+}
+
 QRectF GraphicsMovieItem::boundingRect() const
 {
     return QRectF( 0, 0, m_width, m_height );

src/GUI/GraphicsMovieItem.h

@@ -45,6 +45,7 @@ public:
     virtual bool expandable() const { return false; }
     virtual bool moveable() const { return true; }
     virtual const QUuid& uuid() const { return m_clip->getUuid(); }
+    virtual MainWorkflow::TrackType mediaType() const;
     virtual QRectF boundingRect() const;
     virtual void paint( QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget = 0 );