/*

* Copyright (c) 2007-2009 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:  Calendar view manager

*

*/

#ifndef CALENVIEWMANAGER_H

#define CALENVIEWMANAGER_H

// INCLUDES

#include <vwsdef.h>

#include <QDate>

#include "calennotificationhandler.h"   // MCalenNotificationHandler

#include "hb_calencommands.hrh"

#include "calencommandhandler.h"

class CalenNativeView;

class CCalenController;

class CalenMonthView;

class CalenAgendaView;

class AgendaEventViewer;

class CalenLandscapeDayView;

class CalenSettingsView;

class CalenDocLoader;

class CalenDayView;

/**

 * The action ui handles events passed from the controller and delegates

 * them to the appropriate place (i.e. the specific action ui classes).

 */

class  CalenViewManager :	public QObject,

							public MCalenNotificationHandler,

							public MCalenCommandHandler

    {   

	Q_OBJECT

    public:  // Construction and destruction

		/**

		 * Constructor

		 */

		CalenViewManager ( CCalenController& aController);

		/**

		 * Second Phase Constructor

		 */

		void SecondPhaseConstruction();

        /**

         * Destructor

         */                             

        virtual ~CalenViewManager();

	public: 

       /**

         * Handles view manager commands.

         * @return ETrue if command is handled, EFalse otherwise

         */

        TBool HandleCommandL( const TCalenCommand& aCommand );

        /**

         * Refresh current view.

         */

        void refreshCurrentViewL();

        /**

         * Returns the settings view

         */

        CalenSettingsView* settingsView();

		/*

		* @brief Returns CCalenController

		*/

		CCalenController&  calenController();

		/**

		 * Constructs and activates the requested view

		 */

		void constructAndActivateView(int view);

		/**

		 * Returns the first view

		 */

		int getFirstView();

		void showNextDay();

		void showPrevDay();

		void removePreviousView();

		void constructOtherViews();

		void launchSettingsView();

	public: // from MCalenNotificationHandler

        /**

         * Handles notifications

         */

        void HandleNotification( const TCalenNotification aNotification );

	private:

        /**

         * Loads month view frm the docml

         */

        void loadMonthView();

        /**

		 * Loads agenda view from the docml

		 */

        void loadAgendaView();

        /**

         * Loads day view from the docml

         */

        void loadDayView();

	    /**

	     * Activates the default view, as retrieved from settings.

	     */

	    void ActivateDefaultViewL( int defaultView );

	    /**

          * Activate current view.

          */

		void activateCurrentView();

		/**

		 * Launch event view.

		 */

		void launchEventView();

		/**

		 * @brief Constructs the auxilliary view used

		 * to provide illusion of swiping to next or prev

		 * day

		 */

		void loadAlternateAgendaView();

    private slots:

		void handleMainViewReady();

		void handleViewingCompleted(const QDate date);

		void handleEditingStarted();

		void handleEditingCompleted();

		void handleDeletingStarted();

		void handleDeletingCompleted();

		void handleInstanceViewCreation(int status);

		void handleEntryViewCreation(int status);

		void handleEntriesChanged(QList<ulong>);

		void handleEntryUpdation(ulong id);

    private:  // Data        

		CCalenController		&mController;

		CalenMonthView			*mCalenMonthView;

		CalenAgendaView			*mCalenAgendaView;

		AgendaEventViewer		*mCalenEventViewer;

		CalenLandscapeDayView	*mCalenLandscapeDayView;

		CalenSettingsView		*mSettingsView;

		CalenDocLoader			*mAgendaViewDocLoader;

		CalenDocLoader			*mMonthViewDocLoader;

		CalenAgendaView         *mCalenAgendaViewAlt;

		CalenDocLoader          *mAgendaViewAltDocLoader;

		CalenDayView			*mCalenDayView;

		int  mCurrentViewId;

		int  mPreviousViewsId;

		int  mFirstView;

        };

#endif // CALENVIEWMANAGER_H

// End of file