/*
 * Copyright © 2010 Canonical Ltd.
 *
 * Permission to use, copy, modify, distribute, and sell this software
 * and its documentation for any purpose is hereby granted without
 * fee, provided that the above copyright notice appear in all copies
 * and that both that copyright notice and this permission notice
 * appear in supporting documentation, and that the name of
 * Canonical Ltd. not be used in advertising or publicity pertaining to
 * distribution of the software without specific, written prior permission.
 * Canonical Ltd. makes no representations about the suitability of this
 * software for any purpose. It is provided "as is" without express or
 * implied warranty.
 *
 * CANONICAL, LTD. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
 * NO EVENT SHALL CANONICAL, LTD. BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
 * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * Authored by: Sam Spilsbury <sam.spilsbury@canonical.com>
 */

#ifndef _COMPIZ_VALUEHOLDER_H
#define _COMPIZ_VALUEHOLDER_H

#include <core/string.h>
#include <core/logmessage.h>
#include <core/privateunion.h>

#include <boost/noncopyable.hpp>

class PrivateValueHolder;

class ValueHolder : boost::noncopyable
{
    public:

	ValueHolder ();
	~ValueHolder ();

	void eraseValue (CompString key);
	bool hasValue (CompString key);
	void storeValue (CompString key, CompPrivate value);
	CompPrivate getValue (CompString key);

	static ValueHolder * Default ();
	static void SetDefault (ValueHolder *);

    private:

	PrivateValueHolder *priv;
};

#endif
