From e47241a79bce51379d37c728d9d4674ee9086f7e Mon Sep 17 00:00:00 2001
From: chatty
Date: Tue, 28 Nov 2000 14:52:15 +0000
Subject: Removed pragma interfaces Added Johnny's criteria

---
 dnn/Trigger.h | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)

(limited to 'dnn')

diff --git a/dnn/Trigger.h b/dnn/Trigger.h
index 186b62f..744eb3b 100644
--- a/dnn/Trigger.h
+++ b/dnn/Trigger.h
@@ -3,7 +3,7 @@
  *
  *	by Stephane Chatty
  *
- *	Copyright 1993-1994
+ *	Copyright 1993-1995
  *	Centre d'Etudes de la Navigation Aerienne (CENA)
  *
  *	Event triggers.
@@ -15,28 +15,30 @@
 #ifndef DnnTrigger_H_
 #define DnnTrigger_H_
 
-#ifdef __GNUG__
-#pragma interface
-#endif
-
 #include "cplus_bugs.h"
 #include "ccu/List.h"
+#include "ccu/bool.h"
 
-class DnnReaction;
-class DnnWindow;
 class DnnEvent;
+class DnnBaseCriterion;
 
 class DnnTrigger {
 friend	class	DnnBaseReaction;
 
+public:
+enum	REL_PRIORITY { isFirstPriority, isNormalPriority, isLastPriority };
+
 private:
 		DnnTrigger (const DnnTrigger&);
 	DnnTrigger&	operator = (const DnnTrigger&);
 
 protected:
+	CcuListOf <DnnBaseReaction>	FirstSubscribers;
 	CcuListOf <DnnBaseReaction>	Subscribers;
+	CcuListOf <DnnBaseReaction>	LastSubscribers;
 	CcuListOf <DnnBaseReaction>	Grabs;
-	void	Subscribe (DnnBaseReaction&);
+	CcuListOf <DnnBaseCriterion>	Criteria;
+	void	Subscribe (DnnBaseReaction&, REL_PRIORITY);
 	void	Unsubscribe (DnnBaseReaction&);
 	void	Grab (DnnBaseReaction&);
 	void	Release (DnnBaseReaction&);
@@ -44,8 +46,11 @@ protected:
 public:
 		DnnTrigger ();
 		~DnnTrigger ();
-inline	const CcuListOf <DnnBaseReaction>&	GetSubscribers () const	{ return Subscribers; }
+inline	bool	IsUnused () const	{ return bool (Subscribers.IsEmpty () && FirstSubscribers.IsEmpty () && LastSubscribers.IsEmpty ()); }
 	void	Dispatch (DnnEvent&);
+	bool	Check (DnnEvent&);
+inline	void	AddCriterion    (DnnBaseCriterion& c) { Criteria.Append (&c); }
+inline	void	RemoveCriterion (DnnBaseCriterion& c) { Criteria.Remove (&c); }
 };
 
 #endif	/* DnnTrigger_H_ */
-- 
cgit v1.1