1 /*

     2 * Copyright (c) 2004 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:    LandmarksUi Content File -    Category list provider

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 

    22 

    23 

    24 

    25 #ifndef CLMKCATEGORYLISTPROVIDER_H

    26 #define CLMKCATEGORYLISTPROVIDER_H

    27 

    28 //  INCLUDES

    29 #include "CLmkLmItemListProvider.h"

    30 #include "LmkListProviderFactory.h"

    31 

    32 // FORWARD DECLARATIONS

    33 class CPosLmCategoryManager;

    34 class CPosLandmarkCategory;

    35 

    36 /********************************/

    37 class CPosLandmarkSearch;

    38 class CPosLmOperation;

    39 class CPosLmCategoryCriteria;

    40 /********************************/

    41 

    42 // CLASS DECLARATION

    43 

    44 

    45 

    46 /**

    47 * CLmkCategoryListProvider class

    48 */

    49 class CLmkCategoryListProvider : public CLmkLmItemListProvider

    50     {

    51     public:  // Constructors and destructor

    52         /**

    53         * Creates a provider for all items in the database.

    54         * @param aDb landmark database reference

    55         * @param aShowType determines whether non-referenced

    56         *        categories are considered or not

    57         * @return newly instantiated object

    58         */

    59         static CLmkCategoryListProvider* NewL( CPosLandmarkDatabase& aDb,

    60                                                TLmkProviderType aShowType );

    61 

    62         /**

    63         * Destructor.

    64         */

    65         ~CLmkCategoryListProvider();

    66 

    67     public: // From CLmkListProviderBase

    68         CLmkUiItemBase* ItemAtL( TInt aIndex );

    69 

    70     public: // From MLmkDbObserver

    71         void HandleDatabaseEvent( TPosLmEvent& aEvent );

    72 

    73     protected: // From CLmkLmItemListProvider

    74         void PrepareListL();

    75         TBool PrepareListL(const TDesC& aSearchPattern,

    76     							TBool aSearchOnlyInPreviousMatches);

    77         void RemoveLandmarksL(const RArray<TPosLmItemId>& aSelectedItems ) ;

    78 

    79     private:  // Constructors and destructor

    80         /**

    81         * C++ constructor.

    82         * @param aDb

    83         * @param aShowType

    84         * @return newly instantiated object

    85         */

    86         CLmkCategoryListProvider( CPosLandmarkDatabase& aDb,

    87                                   TLmkProviderType aShowType );

    88 

    89         /**

    90         * By default Symbian 2nd phase constructor is private.

    91         */

    92         void ConstructL();

    93 

    94     private: //new functions

    95         /**

    96         * Make category usage list

    97         */

    98         void PrepareCategoryUsageListL();

    99 

   100         /**

   101          * Check is category used or not

   102          * @param aCategory, list item category

   103          * @return TBool

   104          */

   105         TBool IsUsedL( CPosLandmarkCategory& aCategory );

   106 

   107 

   108 /******************************************************/

   109      protected: // From MLmkAOOperationObserver

   110         void HandleOperationL( TOperationTypes aType,

   111                               TReal32 aProgress,

   112                               TInt aStatus );

   113 

   114 

   115 	/**

   116         * Read items to array

   117         */

   118         void ReadItemsToArrayL();

   119 /******************************************************/

   120 

   121 

   122 

   123     private:    // Data

   124         ///Own:

   125         CPosLmCategoryManager* iCategoryMgr;

   126 

   127         TLmkProviderType iShowType;

   128 

   129         // category usage id list

   130         RArray<TPosLmItemId> iUsageArray;

   131 

   132         // index

   133         TInt iUsageIndex;

   134 

   135 		// are any uncategorised items in database

   136 		TBool iAreUncategorisedItems;

   137 

   138 /************************************************/

   139   ///Own:

   140         CPosLandmarkSearch* iSearch;

   141 

   142         ///Own:

   143         CLmkAOOperation* iSearchAO;

   144 

   145         CPosLmCategoryCriteria* iCriteria;

   146 

   147 /************************************************/

   148 

   149 

   150     };

   151 

   152 #endif      // CLMKCATEGORYLISTPROVIDER_H

   153 

   154 // End of File