/*

* Copyright (c) 2007 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:   Implementation of calendar context.

*

*/

#ifndef CALENCONTEXTIMPL_H

#define CALENCONTEXTIMPL_H

// FORWARD DECLARATIONS

class MCalenContextChangeObserver;

// INCLUDES

#include <calencontext.h>

#include <caleninstanceid.h>            // TCalenInstanceId

#include <calentry.h>

#include <vwsdef.h>

#include <EPos_CPosLandmark.h>

// CLASS DEFINITIONS

/**

 * The controller handles events from the rest of Calendar and delegates

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

 */

class CCalenContextImpl : public CBase, public MCalenContext

    {

public:  // Construction and destruction

    /**

     * The only reason this should be created outside of this dll is for

     * SCalenCommand, which needs a default constructor. Normal usage is

     * to use the accessor from the global data. Attempting to call

     * "setters" on any context not from the global data will panic.

     */

    CCalenContextImpl( MCalenContextChangeObserver* aObserver );

    CCalenContextImpl();

    CCalenContextImpl( const CCalenContextImpl& aContext );

    ~CCalenContextImpl();

public:  // from MCalenContext

    // Utils

    /**

     * Returns the default time for views. (Normally 8am.) This would be

     * used for example by the month view, which sets the focus time to

     * 8am on a day. Then when opening the week view, a sane time is shown.

     */

    TTimeIntervalMinutes DefaultTimeForViews() const;

    /**

     * Returns the default TCalTime for views. (Normally 8am today.) This

     * would be used for example when a view is the first view loaded in

     * Calendar.

     */

    TCalTime DefaultCalTimeForViewsL() const;

    // Setters

    /**

     * Sets the date and time currently focused.

     * @param aFocusTime The new focus date and time.

     * @param aViewId The view id of the currently active view.

     */

    void SetFocusDateAndTimeL( const TCalTime& aFocusDateTime,

            const TVwsViewId& aViewId );

    /**

     * Sets the date currently focused. When retrieving the focus

     * date and time after calling this function, the time component

     * will be set to the default of view. When retrieving the focus

     * time only, it will be set to -1.

     * @param aFocusDate The new focus date and time.

     * @param aViewId The view id of the currently active view.

     */

    void SetFocusDateL( const TCalTime& aFocusDate,

            const TVwsViewId& aViewId );

    /**

     * Sets the id of the instance currently focused.

     * @param aInstanceId the id of the focused instance.

     * @param aViewId The view id of the currently active view.

     */

    void SetInstanceIdL( const TCalenInstanceId& aInstanceId,

            const TVwsViewId& aViewId );

    /**

     * Sets the time and instance currently focused.

     * @param aFocusTime The new focus time. If no time is focused, set

     * the Utc time of this object to be Time::NullTTime.

     * @param aInstanceId the id of the focused instance.

     * @param aViewId The view id of the currently active view.

     */

    void SetFocusDateAndTimeAndInstanceL( const TCalTime& aFocusDateTime,

            const TCalenInstanceId& aInstanceId,

            const TVwsViewId& aViewId );

    // Getters

    /**

     * Gets the date and time currently focused.

     * @return The currently focused date and time. When no time is

     * focused, the default time on the current date will be returned.

     */

    TCalTime FocusDateAndTimeL() const;

    /**

     * Gets the time currently focused.

     * @return The currently focused time. When no time is

     * focused, -1 will be returned.

     */

    TTimeIntervalMinutes FocusTime() const;

    /**

     * Gets the id of the instance currently focused.

     * @return The instance id currently focused. When no instance is focused,

     * this will be TCalenInstanceId::NullInstanceIdL()

     */

    TCalenInstanceId InstanceId() const;

    /**

     * Gets the id of the currently active view.

     * @return The view id of the currently active view.

     */

    TVwsViewId ViewId() const;

public:	// Multiple Context support

    /**

     * Set multiple context ids

     *

     * @param aMutlipleContextIds

     */	

    void SetMutlipleContextIds(RArray<TCalenInstanceId>& aMutlipleContextIds);

    /**

     * Remove multiple context id 

     * 

     * @param aInstanceId Instance Id for which context to be removed

     */

    void RemoveMultipleContextId(TCalenInstanceId aInstanceId);

    /**

     * Resets all the multiple context ids

     * 

     */

    void ResetMultipleContextIds(TInt aDbId=0);

    /**

     * Getter for multiple context ids

     *

     * @return RArray<TCalenInstanceId>&

     */

    RArray<TCalenInstanceId>& GetMutlipleContextIds(TInt aDbId=0);

    /**

     * Returns mutliple context's count

     *

     * @return 

     */

    TInt MutlipleContextIdsCount();

    /**

     * Sets the user selected landmark

     * @param aLandMark	Landmark object

     */

    void SetLandMark(CPosLandmark* aLandMark);

    /**

     * Returns the user selected landmark

     * @return Landmark object

     */

    CPosLandmark* GetLandMark();

    /**

     * Resets the landmark

     */

    void ResetLandMark();

    /**

     * Allows extending this API without breaking BC.

     * 

     * @param aExtensionUid specifies

     * @return extension of the requested type

     */

    TAny* CalenContextExtensionL( TUid aExtensionUid );

	/**

	* @brief Get calendar filename 

	* 

	* @return TDesC& reference to calendar filename

	*/

    TDesC& GetCalendarFileNameL() const;

    /**

	* @brief Set the calendar filename

	*

	* @param aName referance to calendar file name 

	*/

    void SetCalendarFileNameL(const TDesC& aName);

    /**

	* @brief Resets calendar file name in context

	*/

    void ResetCalendarFileName();

private:  // Data

    MCalenContextChangeObserver* iObserver;

    TCalTime iFocusDate;

    TTimeIntervalMinutes iFocusTime;

    TCalenInstanceId iInstanceId;

    TVwsViewId iViewId;

    CPosLandmark* iLandMark;

    CCalGeoValue* iGeoValue;

    HBufC* iLocation;

    // Multiple context ids

    RArray<TCalenInstanceId> iMutlipleContextIds;

    HBufC* iCalenFileName;

    };

#endif // CALENCONTEXTIMPL_H

// End of file