1 files changed, 49 insertions, 0 deletions

diff --git a/noncore/multimedia/opieplayer2/singleton.h b/noncore/multimedia/opieplayer2/singleton.h
new file mode 100644
index 0000000..35b3dff
--- a/dev/null
+++ b/noncore/multimedia/opieplayer2/singleton.h
@@ -0,0 +1,49 @@
+#ifndef SINGLETON_H
+#define SINGLETON_H
+
+template <class Product>
+struct DefaultSingletonCreator
+{
+    static Product *create() { return new Product; }
+};
+
+template <class Product>
+struct NullSingletonCreator
+{
+    static Product *create() { return 0; }
+};
+
+template 
+<
+    class T,
+    template <class> class Creator = DefaultSingletonCreator
+>
+class Singleton
+{
+public:
+    static T &self()
+    {
+        if ( !s_self )
+            s_self = Creator<T>::create();
+        return *s_self;
+    }
+
+protected:
+    Singleton()
+    { s_self = static_cast<T *>( this ); }
+    ~Singleton()
+    { s_self = 0; }
+
+private:
+    Singleton( const Singleton<T, Creator> &rhs );
+    Singleton<T, Creator> &operator=( const Singleton<T, Creator> &rhs );
+
+    static T *s_self;
+};
+
+template <class T, template <class> class Creator>
+T *Singleton<T, Creator>::s_self = 0;
+
+#endif // SINGLETON_H
+/* vim: et sw=4 ts=4
+ */