clfwrapper/ClientSrc/CCLFItemListModelImpl.h
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     1 /*
       
     2 * Copyright (c) 2002-2009 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: 
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 #ifndef CCLFITEMLISTMODELIMPL_H
       
    21 #define CCLFITEMLISTMODELIMPL_H
       
    22 
       
    23 //  INCLUDES
       
    24 #include <MCLFItemListModel.h>
       
    25 #include "MCLFItemProviderObserver.h"
       
    26 #include "MCLFChangedItemProvider.h"
       
    27 #include <badesca.h>
       
    28 
       
    29 // FORWARD DECLARATIONS
       
    30 class MCLFOperationObserver;
       
    31 class CCLFDefaultOperation;
       
    32 class TResourceReader;
       
    33 class CCLFDbItemProvider;
       
    34 class CCLFDbItemContainer;
       
    35 
       
    36 // CLASS DECLARATION
       
    37 
       
    38 /**
       
    39 *  This class implements MCLFItemListModel and MCLFItemProviderObserver
       
    40 *  interfaces
       
    41 *
       
    42 *  @lib ContentListingFramework.lib
       
    43 *  @since Series 60 3.0
       
    44 */
       
    45 NONSHARABLE_CLASS( CCLFItemListModelImpl ) : public CBase,
       
    46                                              public MCLFItemListModel,
       
    47                                              public MCLFItemProviderObserver,
       
    48                                              public MCLFChangedItemProviderObserver
       
    49 
       
    50     {
       
    51     public:  // Constructors and destructor
       
    52 
       
    53         /**
       
    54         * Two-phased constructor.
       
    55         */
       
    56         static CCLFItemListModelImpl* NewLC(
       
    57                             CCLFDbItemProvider* aItemProvider,
       
    58                             MCLFOperationObserver& aObserver,
       
    59                             MCLFChangedItemProvider& aChangedItemProvider );
       
    60 
       
    61         /**
       
    62         * Two-phased constructor.
       
    63         */
       
    64         static CCLFItemListModelImpl* NewLC(
       
    65                             CCLFDbItemProvider* aItemProvider,
       
    66                             MCLFOperationObserver& aObserver,
       
    67                             MCLFChangedItemProvider& aChangedItemProvider,
       
    68                             TResourceReader& aResource );
       
    69 
       
    70         /**
       
    71         * Destructor.
       
    72         */
       
    73         virtual ~CCLFItemListModelImpl();
       
    74 
       
    75     protected:  // New functions
       
    76 
       
    77         void ReadMimeTypeListL( TResourceReader& aResource );
       
    78         void ReadMediaTypeListL( TResourceReader& aResource );
       
    79         void CheckVersionL( TResourceReader& aResource,
       
    80                             TInt aVersion );
       
    81         void CopyArrayL( const TArray<MCLFItem*>& aSource,
       
    82                          RPointerArray<MCLFItem>& aDest );
       
    83         void ResetMimeTypeArrayL();
       
    84         void ResetMediaTypeArrayL();
       
    85 
       
    86     protected:  // Functions from base classes
       
    87 
       
    88         /**
       
    89         * From MCLFItemListModel
       
    90         */
       
    91         const MCLFItem& Item( TInt aIndex ) const;
       
    92 
       
    93         /**
       
    94         * From MCLFItemListModel
       
    95         */
       
    96         TInt ItemCount() const;
       
    97 
       
    98         /**
       
    99         * From MCLFItemListModel
       
   100         */
       
   101         void SetSortingStyle( MCLFSortingStyle* aSortingStyle );
       
   102 
       
   103         /**
       
   104         * From MCLFItemListModel
       
   105         */
       
   106         void AppendSecondarySortingStyleL(
       
   107                                 MCLFSortingStyle& aSortingStyle );
       
   108 
       
   109         /**
       
   110         * From MCLFItemListModel
       
   111         */
       
   112         void SetCustomSorter( MCLFCustomSorter* aCustomSorter );
       
   113 
       
   114         /**
       
   115         * From MCLFItemListModel
       
   116         */
       
   117         void SetGroupingStyle( TCLFGrouping aGrouping );
       
   118 
       
   119         /**
       
   120         * From MCLFItemListModel
       
   121         */
       
   122         void SetCustomGrouper( MCLFCustomGrouper* aCustomGrouper );
       
   123 
       
   124         /**
       
   125         * From MCLFItemListModel
       
   126         */
       
   127         void SetPostFilter( MCLFPostFilter* aPostFilter );
       
   128 
       
   129         /**
       
   130         * From MCLFItemListModel
       
   131         */
       
   132         void SetWantedMimeTypesL( const MDesCArray& aMimeTypes );
       
   133 
       
   134         /**
       
   135         * From MCLFItemListModel
       
   136         */
       
   137         void SetWantedMimeTypesL( TResourceReader& aResource );
       
   138 
       
   139         /**
       
   140         * From MCLFItemListModel
       
   141         */
       
   142         void SetWantedMediaTypesL(
       
   143                             const TArray<TInt>& aMediaTypes );
       
   144 
       
   145         /**
       
   146         * From MCLFItemListModel
       
   147         */
       
   148         void SetWantedMediaTypesL( TResourceReader& aResource );
       
   149 
       
   150         /**
       
   151         * From MCLFItemListModel
       
   152         */
       
   153         void RefreshL( );
       
   154 
       
   155         /**
       
   156         * From MCLFItemListModel
       
   157         */
       
   158         void RefreshL( TInt32 aRefreshType );
       
   159 
       
   160         /**
       
   161         * From MCLFItemListModel
       
   162         */
       
   163         void CancelRefresh();
       
   164 
       
   165         /**
       
   166         * From MCLFItemProviderObserver
       
   167         */
       
   168         void OperationCompleteL( TInt aError );
       
   169 
       
   170         void NewChangedItemsL(); 
       
   171 
       
   172     private:
       
   173 
       
   174         /**
       
   175         * C++ default constructor.
       
   176         */
       
   177         CCLFItemListModelImpl(
       
   178                 CCLFDbItemProvider* aItemProvider,
       
   179                 MCLFOperationObserver& aObserver,
       
   180                 MCLFChangedItemProvider& aChangedItemProvider );
       
   181 
       
   182         /**
       
   183         * By default Symbian 2nd phase constructor is private.
       
   184         */
       
   185         void ConstructL();
       
   186 
       
   187         void ConstructL( TResourceReader& aResource );
       
   188 
       
   189     private:    // Data
       
   190         // Own. items
       
   191         RPointerArray< MCLFItem > iItemArray;
       
   192         // Ref. items
       
   193         RPointerArray< MCLFItem > iResultArray;
       
   194         // Own mime type list
       
   195         CDesCArray* iMimeTypeArray;
       
   196         // Own media type list
       
   197         CArrayFix< TInt >* iMediaTypeArray;
       
   198         // Ref.
       
   199         MCLFCustomGrouper* iGrouper;
       
   200         // Ref.
       
   201         MCLFCustomSorter* iSorter;
       
   202         // Ref.
       
   203         MCLFPostFilter* iPostFilter;
       
   204         // Own
       
   205         CCLFDbItemProvider* iItemProvider;
       
   206         // Ref.
       
   207         MCLFOperationObserver& iOperationObserver;
       
   208         // Own.
       
   209         CCLFDefaultOperation* iDefaultOperation;
       
   210         // Own: this arrays ows sortings styles that are read from resource.
       
   211         RPointerArray< MCLFSortingStyle > iSortingStyleArray;
       
   212         // Ref:
       
   213         MCLFChangedItemProvider& iChangedItemProvider;
       
   214         // Own
       
   215         TBool iIsItemsFetched;
       
   216     };
       
   217 
       
   218 #endif      // CCLFITEMLISTMODELIMPL_H
       
   219 
       
   220 // End of File