1 /*

     2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  CMnrpNaviModel class definition

    15 *

    16 */

    17 

    18 

    19 #ifndef MNRP_NAVIMODEL_H

    20 #define MNRP_NAVIMODEL_H

    21 

    22 #include <coecntrl.h>

    23 #include "mnrppositionrequest.h"

    24 

    25 class CMnrpEngine;

    26 class CPosLandmark;

    27 

    28 /** Model observer class */

    29 class MNaviModelObserver

    30     {

    31     public:

    32         virtual void HandleModelUpdateL() =0;

    33     };

    34 

    35 /** Navigation view model. 

    36  *	Prepares data to be shown on navigation view

    37  */

    38 class CMnrpNaviModel : public CBase, public MMnrpPositionObserver

    39     {

    40     public:

    41         static CMnrpNaviModel* NewL( MNaviModelObserver& aObserver, CMnrpEngine& aEngine );

    42 

    43 		/** Called by service class to inform that client has changed 

    44 		 *	navigation target */

    45         void SetDestinationL( const CPosLandmark& aNewDestination );

    46 

    47 		/** List item information */

    48         class CListItem : public CBase

    49             {

    50             public:

    51                 static CListItem* NewL( 

    52                 	const TDesC& aItemHeader, 

    53                 	const TDesC& aItemValue );

    54             

    55                 ~CListItem();

    56                 

    57                 const TDesC& Header() { return *iHeader; };

    58                 const TDesC& Value() { return *iValue; };

    59                 

    60             private:

    61             	/** List item header */

    62                 HBufC* iHeader;

    63             	/** List item text */

    64                 HBufC* iValue;                

    65             };

    66 

    67 		/** Returns list items to be shown on Navigation view */

    68         TArray<CListItem*> ListItemsL();

    69 

    70         ~CMnrpNaviModel();

    71         

    72     public:  // from MMnrpPositionObserver

    73 

    74 		/** Informs navigation view that data has been changed */

    75         void HandlePositionRequestCompletedL( TInt aError );

    76         

    77     private: 

    78 

    79         void ConstructL();

    80         CMnrpNaviModel( MNaviModelObserver& aObserver, CMnrpEngine& aEngine );

    81     

    82     private:

    83         CMnrpEngine&                    iEngine;

    84     

    85         CMnrpPositionRequest*   		iPositionRequest;

    86         TPositionInfo                   iPosInfo;

    87 

    88         CPosLandmark*                   iDestination;

    89         

    90         MNaviModelObserver&             iObserver;

    91         

    92         RPointerArray<CListItem>        iListItems;

    93     };

    94 

    95 #endif // MNRP_NAVIMODEL_H

    96