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/***************************************************************************
* 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 <tqobject.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:
TQValueList<Type> _list;
};
//----------------------------------------------------------------------------
class GenericStorage : public TQObject
{
TQ_OBJECT
public:
GenericStorage(TQObject *parent = 0, const char *name = 0) : TQObject(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 TQObject
{
TQ_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
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