/*
 * %kadu copyright begin%
 * Copyright 2011 Piotr Dąbrowski (ultr@ultr.pl)
 * %kadu copyright end%
 *
 * 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.
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef DESKTOP_AWARE_OBJECT
#define DESKTOP_AWARE_OBJECT

#include <QtCore/QObject>
#include <QtGui/QWidget>

#include "os/generic/desktop-aware-object-helper.h"
#include "aware-object.h"

/**
 * @class DesktopAwareObject
 * @author Piotr 'ultr' Dąbrowski
 * @short Class that gets informed about desktop resolution and screen number changes.
 *
 * Each class that inherits from DesktopAwareObject has to implement method
 * resolutionChanged that is called automatically when the resolution changes.
 * 
 * The default implementation checks if the current object is a toplevel QWidget
 * and, if so, moves it so that it is fully visible on one of the remaining screens.
 */
class KADUAPI DesktopAwareObject : public AwareObject<DesktopAwareObject>
{
	static DesktopAwareObjectHelper *Helper;

	QWidget *Widget;

protected:
	/**
	* @author Piotr 'ultr' Dąbrowski
	* @short Method is called when resolution changes
	*
	* Method is called when resolution changes.
	* The default implementation moves the window to the closest available desktop.
	*/
	virtual void desktopModified();

public:
	DesktopAwareObject(QWidget *widget);
	static void notifyDesktopModified();

};

#endif // DESKTOP_AWARE_OBJECT
