ekiga r7303 - trunk/lib/engine/framework

[jpuydt svn gnome org]

Author: jpuydt
Date: Thu Oct 30 15:17:52 2008
New Revision: 7303
URL: http://svn.gnome.org/viewvc/ekiga?rev=7303&view=rev

Log:
Added new gmref_ptr-based lister to the framework

Added:
   trunk/lib/engine/framework/reflister.h
Modified:
   trunk/lib/engine/framework/Makefile.am

Modified: trunk/lib/engine/framework/Makefile.am
==============================================================================
--- trunk/lib/engine/framework/Makefile.am	(original)
+++ trunk/lib/engine/framework/Makefile.am	Thu Oct 30 15:17:52 2008
@@ -12,6 +12,7 @@
 
 libgmframework_la_SOURCES = \
 	$(framework_dir)/services.h \
+	$(framework_dir)/reflister.h \
 	$(framework_dir)/lister.h \
 	$(framework_dir)/chain-of-responsibility.h \
 	$(framework_dir)/device-def.h \

Added: trunk/lib/engine/framework/reflister.h
==============================================================================
--- (empty file)
+++ trunk/lib/engine/framework/reflister.h	Thu Oct 30 15:17:52 2008
@@ -0,0 +1,118 @@
+
+/*
+ * Ekiga -- A VoIP and Video-Conferencing application
+ * Copyright (C) 2000-2008 Damien Sandras
+
+ * This program is free software; you can  redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version. This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * Ekiga is licensed under the GPL license and as a special exception, you
+ * have permission to link or otherwise combine this program with the
+ * programs OPAL, OpenH323 and PWLIB, and distribute the combination, without
+ * applying the requirements of the GNU GPL to the OPAL, OpenH323 and PWLIB
+ * programs, as long as you do follow the requirements of the GNU GPL for all
+ * the rest of the software thus combined.
+ */
+
+
+/*
+ *                         reflister.h  -  description
+ *                         ------------------------------------------
+ *   begin                : written in 2008 by Julien Puydt
+ *   copyright            : (c) 2008 by Julien Puydt
+ *   description          : declaration of an object able to list gmref_ptr
+ *                          objects
+ *
+ */
+
+#ifndef __REFLISTER_H__
+#define __REFLISTER_H__
+
+#include "gmref.h"
+#include <sigc++/sigc++.h>
+#include <list>
+#include <map>
+
+namespace Ekiga
+{
+  template<typename ObjectType>
+  class RefLister
+  {
+  protected:
+
+    typedef std::map<gmref_ptr<ObjectType>,std::list<sigc::connection> > container_type;
+
+    void visit_objects (sigc::slot<bool, gmref_ptr<ObjectType> > visitor);
+
+    void add_object (gmref_ptr<ObjectType> obj);
+
+    void add_connection (gmref_ptr<ObjectType> obj,
+			 sigc::connection connection);
+
+    void remove_object (gmref_ptr<ObjectType> obj);
+
+    sigc::signal<void, gmref_ptr<ObjectType> > object_added;
+    sigc::signal<void, gmref_ptr<ObjectType> > object_removed;
+    sigc::signal<void, gmref_ptr<ObjectType> > object_updated;
+
+  private:
+    container_type objects;
+  };
+
+};
+
+template<typename ObjectType>
+void
+Ekiga::RefLister<ObjectType>::visit_objects (sigc::slot<bool, gmref_ptr<ObjectType> > visitor)
+{
+  bool go_on = true;
+  for (typename container_type::iterator iter = objects.begin ();
+       go_on && iter != objects.end ();
+       ++iter)
+    go_on = visitor (iter->first);
+}
+
+template<typename ObjectType>
+void
+Ekiga::RefLister<ObjectType>::add_object (gmref_ptr<ObjectType> obj)
+{
+  std::list<sigc::connection> connections;
+  connections.push_back (obj->updated.connect (sigc::bind (object_updated.make_slot (), obj)));
+  connections.push_back (obj->removed.connect (sigc::bind (sigc::mem_fun (this, &Ekiga::RefLister<ObjectType>::remove_object), obj)));
+
+  objects[obj] = connections;
+
+  object_added.emit (obj);
+}
+
+template<typename ObjectType>
+void
+Ekiga::RefLister<ObjectType>::add_connection (gmref_ptr<ObjectType> obj,
+				  sigc::connection connection)
+{
+  objects[obj].push_back (connection);
+}
+
+template<typename ObjectType>
+void
+Ekiga::RefLister<ObjectType>::remove_object (gmref_ptr<ObjectType> obj)
+{
+  std::list<sigc::connection> connections = objects[obj];
+  for (std::list<sigc::connection>::iterator iter = connections.begin ();
+       iter != connections.end ();
+       ++iter)
+    iter->disconnect ();
+  objects.erase (objects.find (obj));
+  object_removed.emit (obj);
+}
+
+#endif