/*

* Copyright (c) 2004 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:    LandmarksUi Content File -

*				Base class for application's (view-based) selectors

*

*/

#ifndef CLMKAPPLMITEMSELECTORIMPL_H

#define CLMKAPPLMITEMSELECTORIMPL_H

//  INCLUDES

#include "CLmkAppSelectorImplBase.h"

#include "MLmkAOOperationObserver.h"

#include "MLmkLocationObserver.h"

#include "lmkwaitdlglauncher.h"

#include <CLmkEditorDlg.h>

// FORWARD DECLARATIONS

class CLmkLmItemListProvider;

class CLmkDbUtils;

class CLmkLocationService;

class TPosition;

class CPosLandmark;

class CLmkSender;

class CLmkLocSettingsLauncher;

// CLASS DECLARATION

/**

*  Base class for application's (view-based) selectors that list items

*  having TPosLmItemId, i.e. using provider of type CLmkLmItemListProvider.

*/

class CLmkAppLmItemSelectorImpl

: public CLmkAppSelectorImplBase,

  public MLmkAOOperationObserver,

  public MLmkLocationObserver,

  public MLmkWaitDialogLauncherObserver

    {

    public:  // Constructors and destructor

        /**

        * Destructor.

        */

        ~CLmkAppLmItemSelectorImpl();

    public: // New functions

        /**

        * Method for changing an icon of a listbox item. Calls templated

        * method which should handle subclass-specific details.

        */

        void ChangeIconCmdL();

        // Added for Bug Fix

        void DiskSpaceBelowCriticalLevelL(

									    TInt aBytesToWrite, TChar aDrive);

		TInt CalculateLandmarkDisksize(

    									const CPosLandmark& aLandmark);

    public: // From CLmkAppSelectorImplBase

        MLmkListMemento* MementoL();

		/**

		* Method to handle change in screen size.

		* When the icon selection popup is shown screen size changes have to

		* be propagated to the popup.

		*/

		void HandleScreenSizeChange();

		TInt CurrentCategoryId();

    public: //from MLmkMapAndNavigationObserver

        void HandleLmCreated(TPosLmItemId aNewLmkItemId);

    public://from MLmkWaitDialogLauncherObserver

    	void HandleDialogDismissed( TInt aButtonId );

    protected: // From MEikCommandObserver

        void ProcessCommandL( TInt aCommandId );

    protected: // From MLmkLocationObserver

        void NotifyL( const TInt aStatus );

        void NotifyErrorL( TInt aErrorCode );

    protected: // New functions

        /**

        * Returns provider reference as CLmkLmItemListProvider type.

        * @return provider reference

        */

        CLmkLmItemListProvider& LmItemListProvider();

        /**

        * Currently selected item's id

        * @return TPosLmItemId

        */

        TPosLmItemId SelectedIdL();

        /**

        * Currently marked item ids

        * @return TPosLmItemId array reference

        */

        RArray<TPosLmItemId>& MarkedItemIdsL();

        /**

        * Template method called by ChangeIconCmdL.

        * @param aId

        * @param aIconIndex

        */

        virtual void ChangeIconL( TPosLmItemId aId, TInt aIconIndex, TInt aMaskIndex) = 0;

        /**

        * Template method called by ChangeIconCmdL.

        * @param aIdArray

        * @param aIconIndex

        */

        virtual void ChangeIconsL( RArray<TPosLmItemId>& aIdArray,

                                   TInt aIconIndex, TInt aMaskIndex) = 0;

		IMPORT_C void LaunchPosSettingsL();

        /**

        * Initial landmark

        * @param aLandmark

        */

        virtual void InitialLandmarkL( CPosLandmark* /*aLandmark*/ ){}

        /**

        * Method to change the mark index or indexes after adding

        * new Landmark.

        * @param None

        */

        void UpdateMarkIndexAfterAdditionL( TInt aIndexToBeSelected );

        //resolves id, to be focussed after deletion.

        void StoreIdTobeFocussedAfterDeletion( RArray<TPosLmItemId>& markedItemIds );

        //sets item to focus after deletion

        void SetFocusToItemAfterDeletionOfMarkedItems();

    protected: // Constructors and destructor

        /**

        * C++ default constructor.

        */

        CLmkAppLmItemSelectorImpl( CPosLandmarkDatabase& aDb,

                                   CLmkSender& aSender,

                                   TBool aFindBox );

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void BaseConstructL();

    private: //new functions

        /**

        * Make new landmark

        */

        void NewLandmarkCmdL();

        /**

        * Executes landmark editor with correct parameters for

        * new landmark creation.

        * @param aLandmark empty or initialized landmark for editing

        */

        void ExecuteNewLandmarkEditorL( CPosLandmark& aLandmark );

        /**

        * Request current location

        */

        void RequestCurrenLocationL();

        /**

        * Create new landmark from current location

        * @param aPosition

        */

        void CreateLmkFromCurrentLocationL( const TPosition& aPosition );

        static TInt MessageQueryCallBack( TAny* aPtr );

    protected: // Data

        ///Ref:

        CLmkSender& iSender;

        ///Own:

        CLmkDbUtils* iDbUtils;

        ///Own:

        CLmkLocationService* iLocationService;

        RArray<TPosLmItemId> iMarkedItemIds;

        // If a new Item is added then the highlight will have to be

        // adjusted to point to the currently added Item.

        // For new Landmarks This flag will be set in this class

        // For new Categories this flag will be set in the derived class

        // And the flag is used in the respective derived classes.

        TBool iNewListBoxItemAdded;

        // Own: Pointer to Location Settings Launcher

        CLmkLocSettingsLauncher* iLauncher;

	    //this holds the landmark view dialog

	    CLmkEditorImpl* iDlg;

        /**

         * Wait dialog launcher

         * Owns

         */

        CLmkWaitDialogLauncher* iWaitDialogLauncher;

        //item to focus after deletion

        TPosLmItemId iFocusItemIdAfterDeletion;

    };

#endif      // CLMKAPPLMITEMSELECTORIMPL_H

// End of File