INTEGRATION: CWS presentationengine01 (1.1.2); FILE ADDED

2004/08/31 17:04:36 thb 1.1.2.1: #110496# Initial revision

1 files changed, 137 insertions, 0 deletions

diff --git a/slideshow/source/inc/delayevent.hxx b/slideshow/source/inc/delayevent.hxx
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+++ b/slideshow/source/inc/delayevent.hxx
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+/*************************************************************************
+ *
+ *  $RCSfile: delayevent.hxx,v $
+ *
+ *  $Revision: 1.2 $
+ *
+ *  last change: $Author: rt $ $Date: 2004-11-26 19:14:29 $
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 by Sun Microsystems, Inc.
+ *  901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  This library 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 for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (the "License"); You may not use this file
+ *  except in compliance with the License. You may obtain a copy of the
+ *  License at http://www.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ *  Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#ifndef _SLIDESHOW_DELAYEVENT_HXX
+#define _SLIDESHOW_DELAYEVENT_HXX
+
+#include <event.hxx>
+
+namespace presentation
+{
+    namespace internal
+    {
+        /** Event, which delays the functor call the given amount of time
+
+            @tpl Functor
+            Functor to call after given timeout
+
+            @attention
+            This class might generate circular dependencies, since it
+            has no means to release shared_ptrs maybe contained in the
+            Functor
+        */
+        template< typename Functor > class Delay : public Event
+        {
+        public:
+            Delay( const Functor&   rFunctor,
+                   double           nTimeout    ) :
+                maFunctor( rFunctor ),
+                mnTimeout( nTimeout ),
+                mbWasFired( false )
+            {
+            }
+
+            virtual bool fire()
+            {
+                if( !wasFired() )
+                {
+                    mbWasFired = true;
+
+                    maFunctor();
+                }
+
+                return true;
+            }
+
+            virtual bool wasFired() const
+            {
+                return mbWasFired;
+            }
+
+            virtual double getActivationTime( double nCurrentTime ) const
+            {
+                return nCurrentTime + mnTimeout;
+            }
+
+            virtual void dispose()
+            {
+            }
+
+        private:
+            Functor maFunctor;
+            double  mnTimeout;
+            bool    mbWasFired;
+        };
+
+        template< typename Functor > EventSharedPtr makeDelay( const Functor&   rFunctor,
+                                                               double           nTimeout    )
+        {
+            return EventSharedPtr( new Delay< Functor >(rFunctor, nTimeout) );
+        }
+
+        template< typename Functor > EventSharedPtr makeEvent( const Functor&   rFunctor )
+        {
+            return EventSharedPtr( new Delay< Functor >(rFunctor, 0.0) );
+        }
+    }
+}
+
+#endif /* _SLIDESHOW_DELAYEVENT_HXX */