X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=src%2Fundo-stack-observer.h;h=5bf405f7f290f210d3695c2e1d0d155b2ac80ea4;hb=57eb32794c2df43d60ee8f0a9aa8576567358ce6;hp=f88c63e6254ffd0dffa324dfbec80d57f28bfb79;hpb=0acbacfeec5676f1245b26ebe5c9e583bc9beac6;p=inkscape.git

diff --git a/src/undo-stack-observer.h b/src/undo-stack-observer.h
index f88c63e62..5bf405f7f 100644
--- a/src/undo-stack-observer.h
+++ b/src/undo-stack-observer.h
@@ -14,14 +14,12 @@
 #ifndef __UNDO_COMMIT_OBSERVER_H__
 #define __UNDO_COMMIT_OBSERVER_H__
 
-namespace Inkscape {
+#include "gc-managed.h"
 
-namespace XML {
+namespace Inkscape {
 
 class Event;
 
-}
-
 /**
  * Observes changes made to the undo and redo stacks.
  *
@@ -36,7 +34,7 @@ class Event;
  * UndoStackObservers should not be used on their own.  Instead, they should be registered
  * with a CompositeUndoStackObserver.
  */
-class UndoStackObserver {
+class UndoStackObserver : public GC::Managed<> {
 public:
 	UndoStackObserver() { }
 	virtual ~UndoStackObserver() { }
@@ -46,21 +44,32 @@ public:
 	 *
 	 * \param log Pointer to an Event describing the undone event.
 	 */
-	virtual void notifyUndoEvent(XML::Event* log) = 0;
+	virtual void notifyUndoEvent(Event* log) = 0;
 
 	/**
 	 * Triggered when the user issues a redo command.
 	 *
 	 * \param log Pointer to an Event describing the redone event.
 	 */
-	virtual void notifyRedoEvent(XML::Event* log) = 0;
+	virtual void notifyRedoEvent(Event* log) = 0;
 
 	/**
 	 * Triggered when a set of transactions is committed to the undo log.
 	 *
 	 * \param log Pointer to an Event describing the committed events.
 	 */
-	virtual void notifyUndoCommitEvent(XML::Event* log) = 0;
+	virtual void notifyUndoCommitEvent(Event* log) = 0;
+
+	/**
+	 * Triggered when the undo log is cleared.
+	 */
+	virtual void notifyClearUndoEvent() = 0;
+
+	/**
+	 * Triggered when the redo log is cleared.
+	 */
+	virtual void notifyClearRedoEvent() = 0;
+
 };
 
 }