/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  CalenDayUtils utility class header.

*

*/

#ifndef CALENDAYUTILS_H_

#define CALENDAYUTILS_H_

// Forward declarations

class HbMainWindow;

class QDateTime;

class AgendaEntry;

class CalenDayUtils

{

public:

    static CalenDayUtils *instance();

    ~CalenDayUtils();

    qreal screenWidth() const;

    qreal hourElementWidth() const;

    qreal hourElementHeight() const;

    qreal contentWidth() const;

    Qt::Orientation orientation() const;

    HbMainWindow* mainWindow();

    /**

     * Get event's start/end time fromm agenda entry.

     * Start/end time are validated to be within the current day (the case of

     * multi-day events)

     * @param start [out] valid start time

     * @param end [out] valid end time

     * @param entry [in] agenda entry asociated with the event.

     * @param currentDate [in] current date

     */

    void getEventValidStartEndTime( QDateTime& start, QDateTime& end,

                                   const AgendaEntry& entry, QDateTime& currentDate );

protected:

    CalenDayUtils();

private:

    qreal calculateHourElementWidth() const;

    qreal calculateHourElementHeight() const;

private:    // data

    static CalenDayUtils* mInstance;

    HbMainWindow* mMainWindow;  //!< Pointer to main window

    qreal mHourElementWidth;    //!< The width of hour element

    qreal mHourElementHeight;   //!< The height of hour element

};

#endif /* CALENDAYUTILS_H_ */