/*

* Copyright (c) 2002 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:   To-Do view derived from CCalenView.

*

*/

#ifndef     TODOVIEW_H

#define     TODOVIEW_H

//  INCLUDES

#include <eiklbv.h>

#include <calentoolbar.h>

#include "calennativeview.h"

//  CONSTANTS

const TInt KCountOfControls(1); // Number of controls

enum TViewError

    {

    EFormErrSave = 1

    };

// FORWARD DECLARATIONS

class CCalenTodoNoteForm;

class CCalenTodoContainer;

// CLASS DECLARATION

/**

* CCalenTodoView view class.

* Derived from CCalenView.

*/

NONSHARABLE_CLASS( CCalenTodoView ) : public CCalenNativeView

    {

    public:  // Constructors and destructor

        /**

         * Two-phased constructor.

         **/

        IMPORT_C static CCalenTodoView* NewL( MCalenServices& aServices );

        /**

         * Destructor.

         **/

        virtual ~CCalenTodoView();

    private:

        /**

         * Symbian OS default constructor.

         **/

        void ConstructL();

        /**

         * C++ constructor.

         */

        CCalenTodoView( MCalenServices& aServices );

    public: // New functions

        /**

         * Handling command "Delete"

         * @param aCloseForm Close flag of note form

         * @param aNoteForm Note form pointer

         * @return ETrue  : Delete note

         *         EFalse : Not delete note

         **/

        void OnCmdDeleteEntryL();

        /**

        * This function is called when Locale or Today was changed.

        * @param aReason Notify reson (EChangesLocale,

        *                                EChangesMidnightCrossover

        */

        void OnLocaleChangedL( TInt aReason );

        /**

         * Return number of items.

         * @return A number of items

         **/

        TInt ItemCount();

        /**

         * Check cross out of current item.

         * @return ETrue  : cross out

         *         EFalse : not cross out

         **/

        TBool CurrentItemIsCrossOutL();

        /**

         * Save the index of current item.

         **/

        void SaveCurrentItemIndexL();

        /**

         * Return pointer of the container object.

         * @return Container pointer

         **/

        CCalenTodoContainer* Container();

        /**

         * Update CBA buttons depending if view is empty or not.

         **/

        void UpdateCBAButtonsL();

    public:

        /**

         * From CAknView, command handling for each view

         * @param aCommand Command id

         **/

        void HandleCommandL(TInt aCommand);

    public:  // From CCalenView

        virtual TNextPopulationStep ActiveStepL();

        virtual void CancelPopulation();

        virtual TCyclePosition CyclePosition() const;

        virtual const TDesC& LocalisedViewNameL( CCalenView::TViewName aViewName );

        virtual CGulIcon* CCalenTodoView::ViewIconL() const;

        void CleanupInstancesL();

    protected:   // From CCalenNativeView      

        /**

         * Clears view specific data

         */

        virtual void ClearViewSpecificDataL();

        /**

         * Notify marked entry deleted

         */

        void NotifyMarkedEntryDeletedL();     

        void NotifyMarkedEntryCompletedL();

    protected:  // New functions

        /**

         * Second phase DoActivateL.

         * Called when List View becomes active.

         **/

        void DoActivateImplL(	const TVwsViewId& aPrevViewId,

                                TUid aCustomMessageId,

                                const TDesC8& aCustomMessage );

        /**

         * Second phase DoDeactivate.

         * Called when List View becomes inactive.

         **/

        void DoDeactivateImpl();

        /**

         * Delete marked notes.

         * @param aSelectionIndex Items which are currently selected.

         **/

        void DeleteMarkedNotesL();

        void CreateMultiplecontextForMarkedItemsL(TInt aCommand);

        /**

         * Deletes the marked notes.

         * @return TRUE if not yet finished.

         **/

        TInt DeleteMarkedNotesCallBackL();

        /**

         * This function is callback function to delete one marked item.

         * @return TRUE if not yet finished.

         **/

        TInt DoDeleteMarkedNotesCallBackL();

        /**

         * Save new current postion of item after deleting marked items.

         **/

        void FindFocusAfterDeletionL(const CListBoxView::CSelectionIndexArray& aSelectedItems);

    public: // From CCalenView

        /**

         * Redraw status pane when Form is closed

         **/

        void RedrawStatusPaneL();

        /**

         * From CCalenView Creates CCalenContainer

         **/

        CCalenContainer* CreateContainerImplL();

    private:

        /**

         * From MEikMenuObserver, This function called to initialize manu pane.

         * @param aResourceId resource id

         * @param aMenuPane CEikMenuPane pointer

         **/

        void DynInitMenuPaneL(TInt aResourceId, CEikMenuPane* aMenuPane);

    private:

        // From CAknView

        TUid Id() const;   

        /**

         * Returns ETrue if the vsd is null.

         */

        TBool IsViewSpecificDataNullL();

        /**

         * CCalenTodoView::ShowMarkedTodosDeleteConfirmationQueryL( TInt aCount )

         * Special delete query case for todos: Query for marked todos deletion

         **/

        TInt ShowMarkedTodosDeleteConfirmationQueryL( TInt aCount );

    private:

        /**

         * Static callback function

         */

         static TInt NotificationCallback( TAny* aCommandStruct );

        /**

         * Leaving implementation of the callback function

         */

         void DoNotificationCallbackL();

		/**

		 * Set Multiple contexts

		 */

		void SetMultipleContexts();

		TBool CheckMarkedItemCompletedL();

	public: 

	    /**

	     * Set marked todo items

	     */

	    void SetMarkedToDoItems(CListBoxView::CSelectionIndexArray* aMarkedTodoItems);

	    /**

	     * Get marked todo itemss

	     */

	    CListBoxView::CSelectionIndexArray* GetMarkedToDoItems();

	    /**

	     * Clear marked todo items

	     */

	    void ClearMarkedToDoItems();

    private:

        RPointerArray<CCalInstance> iMarkedInstances;

        TInt            iCountOfSelectedItems;

        //TInt            iDeletedCount;

        TInt            iItemIndexAfterDeletion;

        CIdle*          iIdle;

        CAknWaitDialog* iWaitDialog;

        CAsyncCallBack* iCmdCallback;

        enum TPopulationStep

            {

            ENothingDone,

            ERequestedInstanceView,

            EAddToStackNext,

            EPopulationDone

            };

        TPopulationStep iPopulationStep;

        // view specific data

        TInt iHighlightedRowNumber;     // The row number highlighted.

        TInt iFirstEntryOnScreenIndex;  // The offset of the topmost item on screen to the first entry.

        CListBoxView::CSelectionIndexArray* iMarkedTodoItems;

        TBool iEventViewCommandHandled ;

    };

#endif //  TODOVIEW_H

// End of File