1 files changed, 85 insertions, 0 deletions
diff --git a/src/common/common/storage.h b/src/common/common/storage.h
new file mode 100644
index 0000000..b61123a
--- /dev/null
+++ b/src/common/common/storage.h
@@ -0,0 +1,85 @@
+/***************************************************************************
+ *   Copyright (C) 2005-2006 Nicolas Hadacek <hadacek@kde.org>             *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ ***************************************************************************/
+#ifndef STORAGE_H
+#define STORAGE_H
+
+#include "common/global/global.h"
+#include <qobject.h>
+
+//-----------------------------------------------------------------------------
+template <class Type>
+class Fifo
+{
+public:
+  Fifo() {}
+  void clear() { _list.clear(); }
+  uint count() const { return _list.count(); }
+  void put(Type type) { _list.append(type); }
+  Type get() {
+    Type t = _list.first();
+    _list.pop_front();
+    return t;
+  }
+
+private:
+  QValueList<Type> _list;
+};
+
+//----------------------------------------------------------------------------
+class GenericStorage : public QObject
+{
+Q_OBJECT
+public:
+  GenericStorage(QObject *parent = 0, const char *name = 0) : QObject(parent, name), _dirty(false) {}
+
+signals:
+  void changed();
+
+protected:
+  // emit changed() only after a return to the GUI loop and only one time
+  void delayedChanged();
+
+private slots:
+  void changedSlot();
+
+private:
+  bool _dirty;
+};
+
+//----------------------------------------------------------------------------
+class GenericView;
+
+class GenericViewProxy : public QObject
+{
+Q_OBJECT
+public:
+  GenericViewProxy(GenericView &view) : _view(view) {}
+  void addStorage(GenericStorage &storage);
+
+private slots:
+  void changed();
+
+private:
+  GenericView &_view;
+};
+
+class GenericView
+{
+public:
+  GenericView(GenericStorage &storage);
+  virtual ~GenericView() { delete _proxy; }
+  virtual void updateView() = 0;
+
+private:
+  GenericViewProxy *_proxy;
+
+  friend class GenericViewProxy;
+};
+
+#endif