1 files changed, 140 insertions, 0 deletions
diff --git a/svx/inc/svx/sdr/event/eventhandler.hxx b/svx/inc/svx/sdr/event/eventhandler.hxx
new file mode 100644
index 000000000000..f8c07c2d84e5
--- /dev/null
+++ b/svx/inc/svx/sdr/event/eventhandler.hxx
@@ -0,0 +1,140 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef _SDR_EVENT_EVENTHANDLER_HXX
+#define _SDR_EVENT_EVENTHANDLER_HXX
+
+#include <sal/types.h>
+
+#include <vector>
+#include <vcl/timer.hxx>
+
+//////////////////////////////////////////////////////////////////////////////
+// predeclarations
+
+namespace sdr
+{
+    namespace event
+    {
+        class BaseEvent;
+        class EventHandler;
+
+        // typedefs for a list of BaseEvents
+        typedef ::std::vector< BaseEvent* > BaseEventVector;
+    } // end of namespace event
+} // end of namespace sdr
+
+//////////////////////////////////////////////////////////////////////////////
+
+namespace sdr
+{
+    namespace event
+    {
+        class BaseEvent
+        {
+            // the EventHandler this event is registered at
+            EventHandler&                                   mrEventHandler;
+
+        public:
+            // basic constructor.
+            BaseEvent(EventHandler& rEventHandler);
+
+            // destructor
+            virtual ~BaseEvent();
+
+            // the called method if the event is triggered
+            virtual void ExecuteEvent() = 0;
+        };
+    } // end of namespace event
+} // end of namespace sdr
+
+//////////////////////////////////////////////////////////////////////////////
+
+namespace sdr
+{
+    namespace event
+    {
+        class EventHandler
+        {
+            BaseEventVector                                 maVector;
+
+            // to allow BaseEvents to use the add/remove functionality
+            friend class BaseEvent;
+
+            // methods to add/remove events. These are private since
+            // they are used from BaseEvent only.
+            void AddEvent(BaseEvent& rBaseEvent);
+            void RemoveEvent(BaseEvent& rBaseEvent);
+
+            // access to a event, 0L when no more events
+            BaseEvent* GetEvent();
+
+        public:
+            // basic constructor.
+            EventHandler();
+
+            // destructor
+            virtual ~EventHandler();
+
+            // Trigger and consume the events
+            virtual void ExecuteEvents();
+
+            // for control
+            sal_Bool IsEmpty() const;
+        };
+    } // end of namespace event
+} // end of namespace sdr
+
+//////////////////////////////////////////////////////////////////////////////
+
+namespace sdr
+{
+    namespace event
+    {
+        class TimerEventHandler : public EventHandler, public Timer
+        {
+        public:
+            // basic constructor.
+            TimerEventHandler(sal_uInt32 nTimeout = 1L);
+
+            // destructor
+            virtual ~TimerEventHandler();
+
+            // The timer when it is triggered; from class Timer
+            virtual void Timeout();
+
+            // reset the timer
+            void Restart();
+        };
+    } // end of namespace event
+} // end of namespace sdr
+
+//////////////////////////////////////////////////////////////////////////////
+
+#endif //_SDR_EVENT_EVENTHANDLER_HXX
+
+// eof