/*
* 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:  Day view control of calendar
*
*/

#ifndef CALENDAYCONTAINER_H
#define CALENDAYCONTAINER_H

//System includes
#include <QDateTime>

#include "../../../../../mw/hb/src/hbwidgets/itemviews/hbabstractitemcontainer_p.h"

//User includes

//Forward declarations
class CalenDayInfo;
class TouchEventAbsorber;

class CalenDayContainer : public HbAbstractItemContainer
{
    Q_OBJECT

public:
    
    /**
     * Constructor. 
     */
    CalenDayContainer(QGraphicsItem *parent = 0);

    /**
     * Destructor.
     */
    ~CalenDayContainer();

    /**
     * 
     */
    void itemAdded (int index, HbAbstractViewItem *item, bool animate);
    
    /**
     * 
     */
    void itemRemoved (HbAbstractViewItem *item, bool animate);
    
    /**
     * 
     */
    void reset();
    
    /**
     * 
     */
    void viewResized (const QSizeF &size);
    
    /**
     * Sets day's info structer to the container.
     * 
     * @param dayInfo Day info.
     */
    void setDayInfo( CalenDayInfo* dayInfo );
    
public slots:

    /**
     * Slot handles layout switch.
     * @param orientation Current device orientation
     */
    void orientationChanged(Qt::Orientation orientation);
    
protected:

    /**
     * 
     */
    HbAbstractViewItem * createDefaultPrototype() const;
    
    /**
     * 
     */
    void setItemModelIndex(HbAbstractViewItem *item, const QModelIndex &index);
    
    /**
     * Updates geometry of a timed event.
     */
    void updateTimedEventGeometry(HbAbstractViewItem *item, 
                                  const QModelIndex &index);
    
    /**
     * Updates geometry of a all-day events	
     */
    void updateAllDayEventGeometry(HbAbstractViewItem *item, 
                                  const QModelIndex &index);
    
    /**
     * Structure with event layout values.
     * 
     * eventAreaX X value for event area start.
     * eventAreaWidth The width of event area.
     * eventMargin Margins between the multiple events.
     * slotHeight Half hour slot's height.
     * unitInPixels no. of pixels in 1un
     */

    struct LayoutValues {
					LayoutValues()
						:eventAreaX(0),
						 eventAreaWidth(0),
						 eventMargin(0),
						 slotHeight(0),
						 unitInPixels(0),
						 maxColumns(0)
						 {}
						
    	qreal eventAreaX;
    	qreal eventAreaWidth;
    	qreal eventMargin;
    	qreal slotHeight;
    	qreal unitInPixels;
    	int maxColumns;
    };
    
    /**
     * Gets event layout values.
     * 
     * @param layoutValues structure to be filled with layout data
     */
    void getTimedEventLayoutValues(LayoutValues& layoutValues);
    
    
    /**
     *  creates absorbers which prevent touching to small items
     *  (according to UI spec items smaller than ... are untouchable)
     */
    void createTouchEventAbsorbers();
    
    /**
     * 
     */
    TouchEventAbsorber* crateAbsorberBetweenSlots(int startSlot, int endSlot);
    
private:
    
    bool mGeometryUpdated;

    QDateTime mDateTime;
    
    /**
     * Day event info.
     * Not own.
     */
    CalenDayInfo* mInfo;
    
    LayoutValues mLayoutValues;
    QList<TouchEventAbsorber*> mAbsorbers;
};



class TouchEventAbsorber : public HbWidget
    	{
	Q_OBJECT
    public:
    	TouchEventAbsorber(QGraphicsItem *parent=0);
    	~TouchEventAbsorber();
    	
    protected:
        void gestureEvent(QGestureEvent *event);
        
#ifdef _DEBUG
        void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
				QWidget *widget);
#endif
        
    	};

#endif // CALENDAYCONTAINER_H

// End of File