+ int const old_texts = text.size ();
+
+ ChangeSignaller<Content> cc_texts (this, DCPContentProperty::TEXTS);
+ ChangeSignaller<Content> cc_assets (this, DCPContentProperty::NEEDS_ASSETS);
+ ChangeSignaller<Content> cc_kdm (this, DCPContentProperty::NEEDS_KDM);
+ ChangeSignaller<Content> cc_name (this, DCPContentProperty::NAME);
+ ChangeSignaller<Content> cc_streams (this, AudioContentProperty::STREAMS);