--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Toolbox/IDelayedCallExecutor.h	Thu Nov 29 19:25:15 2018 +0100
@@ -0,0 +1,59 @@
+/**
+ * Stone of Orthanc
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017-2018 Osimis S.A., Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Affero General Public License
+ * as published by the Free Software Foundation, either version 3 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
+ * Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#pragma once
+
+#include "../../Framework/Messages/IObserver.h"
+#include "../../Framework/Messages/ICallable.h"
+
+#include <Core/IDynamicObject.h>
+#include <Core/Logging.h>
+
+#include <string>
+#include <map>
+
+namespace OrthancStone
+{
+  // The IDelayedCall executes a callback after a delay (equivalent to timeout() function in javascript).
+  class IDelayedCallExecutor : public boost::noncopyable
+  {
+  protected:
+    MessageBroker& broker_;
+    
+  public:
+
+    typedef NoPayloadMessage<MessageType_Timeout> TimeoutMessage;
+
+    IDelayedCallExecutor(MessageBroker& broker) :
+      broker_(broker)
+    {
+    }
+
+    
+    virtual ~IDelayedCallExecutor()
+    {
+    }
+
+    
+    virtual void Schedule(MessageHandler<IDelayedCallExecutor::TimeoutMessage>* callback,
+                         unsigned int timeoutInMs = 1000) = 0;
+  };
+}