--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Platforms/Wasm/WasmDelayedCallExecutor.h	Thu Nov 29 19:25:15 2018 +0100
@@ -0,0 +1,40 @@
+#pragma once
+
+#include <Framework/Toolbox/IDelayedCallExecutor.h>
+#include <Core/OrthancException.h>
+
+namespace OrthancStone
+{
+  class WasmDelayedCallExecutor : public IDelayedCallExecutor
+  {
+  private:
+    static MessageBroker* broker_;
+
+    // Private constructor => Singleton design pattern
+    WasmDelayedCallExecutor(MessageBroker& broker) :
+      IDelayedCallExecutor(broker)
+    {
+    }
+
+  public:
+    static WasmDelayedCallExecutor& GetInstance()
+    {
+      if (broker_ == NULL)
+      {
+        printf("WasmDelayedCallExecutor::GetInstance(): broker not initialized\n");
+        throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
+      }
+      static WasmDelayedCallExecutor instance(*broker_);
+      return instance;
+    }
+
+    static void SetBroker(MessageBroker& broker)
+    {
+      broker_ = &broker;
+    }
+
+    virtual void Schedule(MessageHandler<IDelayedCallExecutor::TimeoutMessage>* callback,
+                         unsigned int timeoutInMs = 1000);
+
+  };
+}