src/xml/helper-observer.h

   1 #ifndef __XML_HELPER_OBSERVER__
   2 #define __XML_HELPER_OBSERVER__
   3
   4 #include "node-observer.h"
   5 #include "node.h"
   6 #include "../sp-object.h"
   7 //#include "../sp-object-repr.h"
   8 #include <sigc++/sigc++.h>
   9
  10 namespace Inkscape {
  11     namespace XML {
  12         class Node;
  13
  14                 // Very simple observer that just emits a signal if anything happens to a node
  15                 class SignalObserver : public NodeObserver
  16                 {
  17                 public:
  18                         SignalObserver();
  19
  20                         // Add this observer to the SPObject and remove it from any previous object
  21                         void set(SPObject* o);
  22                         void notifyChildAdded(Node&, Node&, Node*);
  23                         void notifyChildRemoved(Node&, Node&, Node*);
  24                         void notifyChildOrderChanged(Node&, Node&, Node*, Node*);
  25                         void notifyContentChanged(Node&, Util::ptr_shared<char>, Util::ptr_shared<char>);
  26                         void notifyAttributeChanged(Node&, GQuark, Util::ptr_shared<char>, Util::ptr_shared<char>);
  27                         sigc::signal<void>& signal_changed();
  28                 private:
  29                         sigc::signal<void> _signal_changed;
  30                         SPObject* _oldsel;
  31                 };
  32         }
  33 }
  34
  35 #endif //#ifndef __XML_HELPER_OBSERVER__