1 files changed, 101 insertions, 0 deletions
diff --git a/mcop/notification.cc b/mcop/notification.cc
new file mode 100644
index 0000000..3fd70d1
--- /dev/null
+++ b/mcop/notification.cc
@@ -0,0 +1,101 @@
+    /*
+
+    Copyright (C) 2000-2001 Stefan Westerfeld
+                            stefan@space.twc.de
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+  
+    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
+    Library General Public License for more details.
+   
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+    Boston, MA 02111-1307, USA.
+
+    */
+
+#include "notification.h"
+#include "debug.h"
+#include "dispatcher.h"
+
+using namespace Arts;
+
+void NotificationClient::notify(const Notification&)
+{
+}
+
+NotificationManager::NotificationManager()
+{
+	arts_assert(!instance);
+	instance = this;
+}
+
+NotificationManager::~NotificationManager()
+{
+	arts_assert(instance);
+	instance = 0;
+}
+
+void NotificationManager::send(Notification wm)
+{
+	if (todo.empty()) {
+		// HACK: in order to not add a virtual function to IOManager we're calling addTimer with
+		// magic values. This call tells the ioManager that notifications are pending and
+		// NotificationManager::run() should get called soon.
+		Arts::Dispatcher::the()->ioManager()->addTimer(-1, 0);
+	}
+	todo.push(wm);
+}
+
+bool NotificationManager::run()
+{
+	if(todo.empty()) return false;
+
+	while(!todo.empty())
+	{
+		Notification wm = todo.front();
+		todo.pop();
+
+		/*
+		 * we'll copy and remove the notification first, to be sure that
+		 * nothing bad happens to it if we rebuild "todo" (for instance in
+		 * removeClient) 
+		 */
+		wm.receiver->notify(wm);
+	}
+	return true;
+}
+
+void NotificationManager::removeClient(NotificationClient *client)
+{
+	std::queue<Notification> newTodo;
+
+	while(!todo.empty())
+	{
+		const Notification& n = todo.front();
+		if(n.receiver != client)
+			newTodo.push(n);
+		else
+		{
+			arts_debug("NotificationManager: removing one notification");
+			NotificationDestroyFunction destroy = 
+				(NotificationDestroyFunction)n.internal;
+			if(destroy) destroy(n);
+		}
+		todo.pop();
+	}
+	todo = newTodo;
+}
+
+void Notification::setDestroy(NotificationDestroyFunction destroy)
+{
+	internal = (void*)destroy;
+}
+
+NotificationManager *NotificationManager::instance = 0;