Clip: Adding a isChild method.

src/Media/Clip.cpp

@@ -334,3 +334,17 @@ Clip::fullId() const
     }
     return id;
 }
+
+bool
+Clip::isChild( const QUuid &uuid) const
+{
+    Clip*   c = m_parent;
+
+    while ( c != NULL )
+    {
+        if ( c->m_uuid == uuid )
+            return true;
+        c = c->m_parent;
+    }
+    return false;
+}

src/Media/Clip.h

@@ -135,6 +135,11 @@ class   Clip : public QObject
          */
         QString             fullId() const;
 
+        /**
+         *  \return         true if the clip is a child of the given clip uuid
+         */
+        bool                isChild( const QUuid& uuid ) const;
+
     private:
         Media               *m_media;
         /**