--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browsercore/core/singleton.h	Tue Jun 29 00:46:29 2010 -0400
@@ -0,0 +1,67 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+*
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU Lesser General Public License as published by
+* the Free Software Foundation, version 2.1 of the License.
+* 
+* 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 Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public License
+* along with this program.  If not, 
+* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".
+*
+* Description:
+*  This defines both Meyers Singleton and Gamma Singleton template.
+*/
+
+
+#ifndef __SINGLETON_H
+#define __SINGLETON_H
+
+/* 
+ * This is how a Gamma Singleton would instantiate its object.
+ */
+template <class T> struct CreateGamma {
+    static T* Create() { return new T; }
+};
+
+/* 
+ * This is how a Meyers Singleton would instantiate its object.
+ */
+template <class T> struct CreateMeyers {
+    static T* Create() {
+        static T _instance;
+        return &_instance;
+    }
+};
+
+/*
+ * This Singleton class accepts different creation policies.
+ */
+template <class T, template<class> class CreationPolicy=CreateMeyers>
+class Singleton {
+public:
+    static T& Instance() {
+        if (!m_pInstance)
+            m_pInstance=CreationPolicy<T>::Create();
+        return *m_pInstance;
+}
+
+private:
+    Singleton();           // hide constrcutor
+    ~Singleton();          // hide desctructor
+    Singleton(Singleton const&);    // hide copy constructor
+    Singleton& operator=(Singleton const&);  // hide assignment operator
+
+    static T* m_pInstance;
+};
+
+template <class T, template<class> class C>
+T* Singleton<T,C>::m_pInstance=0;
+
+#endif // __SINGLETON_H
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