contentstorage/casrv/cawidgetscanner/src/cawidgetstoragehandler.cpp
changeset 85 7feec50967db
child 87 9d806967057c
equal deleted inserted replaced
4:1a2a00e78665 85:7feec50967db
       
     1 /*
       
     2  * Copyright (c) 2008 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 // INCLUDE FILES
       
    18 
       
    19 #include <badesca.h>
       
    20 #include "widgetscannerutils.h"
       
    21 #include "cawidgetstoragehandler.h"
       
    22 #include "cadef.h"
       
    23 #include "cainnerentry.h"
       
    24 #include "cainnerquery.h"
       
    25 #include "castorageproxy.h"
       
    26 #include "caarraycleanup.inl"
       
    27 
       
    28 // ============================ MEMBER FUNCTIONS ===============================
       
    29 
       
    30 // -----------------------------------------------------------------------------
       
    31 // CCaWidgetStorageHandler::CCaWidgetStorageHandler
       
    32 // C++ default constructor can NOT contain any code, that
       
    33 // might leave.
       
    34 // -----------------------------------------------------------------------------
       
    35 //
       
    36 CCaWidgetStorageHandler::CCaWidgetStorageHandler(
       
    37         CCaStorageProxy* aStorage, RFs& aFs )
       
    38     {
       
    39     iStorage = aStorage;
       
    40     iFs = aFs;
       
    41     }
       
    42 
       
    43 // -----------------------------------------------------------------------------
       
    44 // CCaWidgetStorageHandler::ConstructL
       
    45 // Symbian 2nd phase constructor can leave.
       
    46 // -----------------------------------------------------------------------------
       
    47 //
       
    48 void CCaWidgetStorageHandler::ConstructL()
       
    49     {
       
    50     }
       
    51 
       
    52 // -----------------------------------------------------------------------------
       
    53 // CCaWidgetStorageHandler::NewL
       
    54 // Two-phased constructor.
       
    55 // -----------------------------------------------------------------------------
       
    56 //
       
    57 CCaWidgetStorageHandler* CCaWidgetStorageHandler::NewL(
       
    58         CCaStorageProxy* aStorage, RFs& aFs )
       
    59     {
       
    60     CCaWidgetStorageHandler* self = NewLC( aStorage, aFs );
       
    61     CleanupStack::Pop( self );
       
    62     return self;
       
    63     }
       
    64 
       
    65 // -----------------------------------------------------------------------------
       
    66 // CCaWidgetStorageHandler::NewLC
       
    67 // Two-phased constructor.
       
    68 // -----------------------------------------------------------------------------
       
    69 //
       
    70 CCaWidgetStorageHandler* CCaWidgetStorageHandler::NewLC(
       
    71         CCaStorageProxy* aStorage, RFs& aFs )
       
    72     {
       
    73     CCaWidgetStorageHandler* self = new ( ELeave ) CCaWidgetStorageHandler(
       
    74             aStorage, aFs );
       
    75     CleanupStack::PushL( self );
       
    76     self->ConstructL();
       
    77     return self;
       
    78     }
       
    79 
       
    80 // -----------------------------------------------------------------------------
       
    81 // Destructor
       
    82 // -----------------------------------------------------------------------------
       
    83 //
       
    84 CCaWidgetStorageHandler::~CCaWidgetStorageHandler()
       
    85     {
       
    86     iWidgets.ResetAndDestroy();
       
    87     iUpdatedIndexes.Close();
       
    88     }
       
    89 
       
    90 // ----------------------------------------------------------------------------
       
    91 // 
       
    92 // ----------------------------------------------------------------------------
       
    93 //  
       
    94 void CCaWidgetStorageHandler::SynchronizeL( const RWidgetArray& aWidgets )
       
    95     {
       
    96     FetchWidgetsL();
       
    97     AddWidgetsL( aWidgets );
       
    98     RemoveWidgetsL();
       
    99     }
       
   100 
       
   101 // ----------------------------------------------------------------------------
       
   102 // 
       
   103 // ----------------------------------------------------------------------------
       
   104 //  
       
   105 void CCaWidgetStorageHandler::AddL( const CCaWidgetDescription* aWidget )
       
   106     {
       
   107     CCaInnerEntry* entry = aWidget->GetEntryLC();
       
   108     iStorage->AddL( entry );
       
   109     if( ( entry->GetFlags() & ERemovable ) != 0 )
       
   110         {
       
   111         AddWidgetToDownloadCollectionL( entry );
       
   112         }
       
   113     CleanupStack::PopAndDestroy( entry );
       
   114     }
       
   115 
       
   116 // ----------------------------------------------------------------------------
       
   117 // 
       
   118 // ----------------------------------------------------------------------------
       
   119 //  
       
   120 void CCaWidgetStorageHandler::UpdateL( const CCaWidgetDescription* aWidget,
       
   121         TUint aEntryId )
       
   122     {
       
   123     CCaInnerEntry* entry = aWidget->GetEntryLC();
       
   124     entry->SetId( aEntryId );
       
   125     if( !aWidget->IsMissing() )
       
   126         {
       
   127         entry->SetFlags( entry->GetFlags() & ~EUsed );
       
   128         }
       
   129     entry->SetFlags( entry->GetFlags() & ~EMissing );
       
   130     iStorage->AddL( entry );
       
   131     if( !aWidget->IsMissing() )
       
   132         {
       
   133         AddWidgetToDownloadCollectionL( entry );
       
   134         }
       
   135     CleanupStack::PopAndDestroy( entry );
       
   136     }
       
   137 
       
   138 // ----------------------------------------------------------------------------
       
   139 // 
       
   140 // ----------------------------------------------------------------------------
       
   141 //  
       
   142 void CCaWidgetStorageHandler::AddWidgetsL( const RWidgetArray& aWidgets )
       
   143     {
       
   144     iUpdatedIndexes.Reset();
       
   145     for( TInt i = 0; i < aWidgets.Count(); i++ )
       
   146         {
       
   147         TInt index = iWidgets.Find( 
       
   148                 aWidgets[i], CCaWidgetDescription::Compare );
       
   149         if( index != KErrNotFound )
       
   150             {
       
   151             if( !iWidgets[index]->Compare( *aWidgets[i] ) || 
       
   152                     iWidgets[index]->IsMissing() )
       
   153                 {
       
   154                 aWidgets[i]->SetMissing( iWidgets[index]->IsMissing() );
       
   155                 UpdateL( aWidgets[i], iWidgets[index]->GetEntryId() );
       
   156                 }
       
   157             iUpdatedIndexes.AppendL( index );
       
   158             }
       
   159         else
       
   160             {
       
   161             AddL( aWidgets[i] );
       
   162             }
       
   163         }
       
   164     }
       
   165 
       
   166 // ----------------------------------------------------------------------------
       
   167 // 
       
   168 // ----------------------------------------------------------------------------
       
   169 //  
       
   170 void CCaWidgetStorageHandler::RemoveWidgetsL()
       
   171     {
       
   172     RArray<TInt> widgetsToRemove;
       
   173     CleanupClosePushL( widgetsToRemove );
       
   174     for( TInt i = 0; i < iWidgets.Count(); i++ )
       
   175         {
       
   176         if( iUpdatedIndexes.Find( i ) == KErrNotFound )
       
   177             {
       
   178             if( iWidgets[i]->GetMmcId() && 
       
   179                     ( iWidgets[i]->GetMmcId() != 
       
   180                     WidgetScannerUtils::CurrentMmcId( iFs ) ) )
       
   181                 {
       
   182                 SetMissingFlagL( iWidgets[i] );
       
   183                 }
       
   184             else
       
   185                 {
       
   186                 widgetsToRemove.AppendL( iWidgets[i]->GetEntryId() );
       
   187                 }
       
   188             }
       
   189         }
       
   190     if( widgetsToRemove.Count() > 0 )
       
   191         {
       
   192         iStorage->RemoveL( widgetsToRemove );
       
   193         }
       
   194     CleanupStack::PopAndDestroy( &widgetsToRemove );
       
   195     }
       
   196 
       
   197 // ----------------------------------------------------------------------------
       
   198 // 
       
   199 // ----------------------------------------------------------------------------
       
   200 // 
       
   201 void CCaWidgetStorageHandler::AddWidgetToDownloadCollectionL(
       
   202         const CCaInnerEntry* aEntry )
       
   203     {
       
   204     CCaInnerQuery* queryDownload = CCaInnerQuery::NewLC();
       
   205     CDesC16ArrayFlat* downloadType = new ( ELeave ) CDesC16ArrayFlat(
       
   206             KGranularityOne );
       
   207     CleanupStack::PushL( downloadType );
       
   208     downloadType->AppendL( KCaTypeCollectionDownload );
       
   209     queryDownload->SetEntryTypeNames( downloadType );//query takes ownership
       
   210     CleanupStack::Pop( downloadType );
       
   211     queryDownload->SetRole( EGroupEntryRole );
       
   212 
       
   213     RArray<TInt> idsGroup;
       
   214     CleanupClosePushL( idsGroup );
       
   215     iStorage->GetEntriesIdsL( queryDownload, idsGroup );
       
   216 
       
   217     TCaOperationParams operParams;
       
   218     operParams.iOperationType = TCaOperationParams::EPrepend;
       
   219     operParams.iGroupId = idsGroup[0];
       
   220     operParams.iBeforeEntryId = 0;
       
   221     CleanupStack::PopAndDestroy( &idsGroup );
       
   222 
       
   223     RArray<TInt> idsEntry;
       
   224     CleanupClosePushL( idsEntry );
       
   225     idsEntry.Append( aEntry->GetId() );
       
   226     iStorage->OrganizeL( idsEntry, operParams );
       
   227 
       
   228     CleanupStack::PopAndDestroy( &idsEntry );
       
   229     CleanupStack::PopAndDestroy( queryDownload );
       
   230     }
       
   231 
       
   232 // ----------------------------------------------------------------------------
       
   233 // 
       
   234 // ----------------------------------------------------------------------------
       
   235 //  
       
   236 void CCaWidgetStorageHandler::FetchWidgetsL()
       
   237     {
       
   238     CCaInnerQuery* query = CCaInnerQuery::NewLC();
       
   239     CDesC16ArrayFlat* widgetType = new ( ELeave ) CDesC16ArrayFlat(
       
   240             KGranularityOne );
       
   241     CleanupStack::PushL( widgetType );
       
   242     widgetType->AppendL( KCaTypeWidget );
       
   243     query->SetEntryTypeNames( widgetType );//transfers ownership to query
       
   244     CleanupStack::Pop( widgetType );
       
   245 
       
   246     RPointerArray<CCaInnerEntry> entries;
       
   247     CleanupResetAndDestroyPushL( entries );
       
   248     iStorage->GetEntriesL( query, entries );
       
   249     iWidgets.ResetAndDestroy();
       
   250     for( TInt i = 0; i < entries.Count(); i++ )
       
   251         {
       
   252         CCaWidgetDescription* widget = CCaWidgetDescription::NewLC(
       
   253                 entries[i] );
       
   254         iWidgets.AppendL( widget ); //iWidgets takes ownership
       
   255         CleanupStack::Pop( widget );
       
   256         }
       
   257     CleanupStack::PopAndDestroy( &entries );
       
   258     CleanupStack::PopAndDestroy( query );
       
   259     }
       
   260 
       
   261 // ----------------------------------------------------------------------------
       
   262 // 
       
   263 // ----------------------------------------------------------------------------
       
   264 //  
       
   265 void CCaWidgetStorageHandler::SetMissingFlagL(
       
   266         const CCaWidgetDescription* aWidget )
       
   267     {
       
   268     CCaInnerEntry* entry = aWidget->GetEntryLC();
       
   269     entry->SetFlags( entry->GetFlags() | EMissing );
       
   270     iStorage->AddL( entry );
       
   271     CleanupStack::PopAndDestroy( entry );
       
   272     }
       
   273 
       
   274 //  End of File