phonebookui/Phonebook2/spbcontentprovider/src/spbcontentproviderprivate.cpp
changeset 0 e686773b3f54
child 35 4ae315f230bc
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     1 /*
       
     2 * Copyright (c) 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 #include "spbcontentproviderprivate.h"
       
    20 #include "spbcontentprovider.h"
       
    21 #include "spbstatusprovider.h"
       
    22 #include "spbcontent.h"
       
    23 #include "spbcontactstorelistener.h"
       
    24 
       
    25 // CONSTANTS 
       
    26 namespace{
       
    27 
       
    28     /// Status info cache size
       
    29     const TInt KSpbStatusInfoCacheSize = 20;
       
    30 }
       
    31 
       
    32 // ----------------------------------------------------------------------------
       
    33 // CSpbContentProviderPrivate::NewL
       
    34 // ----------------------------------------------------------------------------
       
    35 //
       
    36 CSpbContentProviderPrivate* CSpbContentProviderPrivate::NewL( 
       
    37     CVPbkContactManager& aContactManager,
       
    38     CPbk2StoreManager& aStoreManager,
       
    39     TInt32 aFeatures )
       
    40     {
       
    41     CSpbContentProviderPrivate* self = new (ELeave) CSpbContentProviderPrivate( 
       
    42         aContactManager, aStoreManager, aFeatures );
       
    43     CleanupStack::PushL( self );
       
    44     self->ConstructL();
       
    45     CleanupStack::Pop( self );
       
    46     return self;
       
    47     }            
       
    48 
       
    49 // ----------------------------------------------------------------------------
       
    50 // CSpbContentProviderPrivate::CSpbContentProviderPrivate
       
    51 // ----------------------------------------------------------------------------
       
    52 //
       
    53 inline CSpbContentProviderPrivate::CSpbContentProviderPrivate(
       
    54         CVPbkContactManager& aContactManager,
       
    55         CPbk2StoreManager& aStoreManager,
       
    56         TInt32 aFeatures) :
       
    57     iContactManager(aContactManager),
       
    58     iStoreManager( aStoreManager ),
       
    59     iFeatures(aFeatures),
       
    60     iContentCache( KSpbStatusInfoCacheSize )
       
    61     {
       
    62     }            
       
    63 
       
    64 // ----------------------------------------------------------------------------
       
    65 // CSpbContentProviderPrivate::ConstructL
       
    66 // ----------------------------------------------------------------------------
       
    67 //
       
    68 inline void CSpbContentProviderPrivate::ConstructL()
       
    69     {
       
    70     if( IsFeature( CSpbContentProvider::EStatusMessage ) )
       
    71         {
       
    72         iStatusProvider = CSpbStatusProvider::NewL( iContentCache );
       
    73         
       
    74         // icon service can only exist with status service
       
    75         if( IsFeature( CSpbContentProvider::EServiceIcon ) )
       
    76             {
       
    77             iIconProvider = CSpbServiceIconProvider::NewL();
       
    78             }
       
    79         }
       
    80     if( IsFeature( CSpbContentProvider::EPhoneNumber ) )
       
    81     	{
       
    82 		// create contact store listener
       
    83         iStoreListener = CSpbContactStoreListener::NewL( 
       
    84 		    iStoreManager, iContentCache );
       
    85     	}
       
    86     }            
       
    87 
       
    88 // ----------------------------------------------------------------------------
       
    89 // CSpbContentProviderPrivate::~CSpbContentProviderPrivate
       
    90 // ----------------------------------------------------------------------------
       
    91 //
       
    92 CSpbContentProviderPrivate::~CSpbContentProviderPrivate()
       
    93     {
       
    94     delete iIconProvider;
       
    95     delete iStatusProvider;
       
    96     delete iStoreListener;
       
    97     iObservers.Close();
       
    98     iContentCache.ResetAndDestroy();
       
    99     }            
       
   100 
       
   101 // ----------------------------------------------------------------------------
       
   102 // CSpbContentProviderPrivate::ContentByLinkL
       
   103 // ----------------------------------------------------------------------------
       
   104 //
       
   105 CSpbContent* CSpbContentProviderPrivate::ContentByLinkL( 
       
   106     const MVPbkContactLink& aLink )
       
   107     {
       
   108     const TInt count( iContentCache.Count() );
       
   109     for( TInt i = 0 ; i < count ; ++i )
       
   110         {
       
   111         CSpbContent* content = iContentCache[i];
       
   112         if( content->Match( aLink ) )
       
   113             {
       
   114             iContentCache.Remove( i );
       
   115             iContentCache.InsertL( content, 0 );
       
   116             return content;
       
   117             }
       
   118         }
       
   119     return NULL;
       
   120     }
       
   121         
       
   122 // ----------------------------------------------------------------------------
       
   123 // CSpbContentProviderPrivate::GetContentL
       
   124 // ----------------------------------------------------------------------------
       
   125 //
       
   126 void CSpbContentProviderPrivate::GetContentL(
       
   127     MVPbkContactLink& aLink,
       
   128     HBufC*& aText,
       
   129     TPbk2IconId& aIconId,
       
   130     CSpbContentProvider::TSpbContentType& aType )
       
   131     {
       
   132     aType = CSpbContentProvider::ETypeNone;
       
   133     CSpbContent* content = ContentByLinkL(aLink);
       
   134     if( !content )
       
   135         {
       
   136         // new contact -> fetch and cache
       
   137         CSpbContent::TParameters parameters;
       
   138         parameters.iContactManager = &iContactManager;
       
   139         parameters.iFeatures = iFeatures;
       
   140         parameters.iObservers = &iObservers;
       
   141         parameters.iIconProvider = iIconProvider;
       
   142         parameters.iStatusProvider = iStatusProvider;
       
   143         
       
   144         CSpbContent* content = CSpbContent::NewLC(parameters, aLink);
       
   145         iContentCache.InsertL(content, 0);
       
   146         CleanupStack::Pop(content);
       
   147         
       
   148         // limit cache size
       
   149         const TInt contentCount = iContentCache.Count();
       
   150         if(contentCount > KSpbStatusInfoCacheSize)
       
   151             {
       
   152             delete iContentCache[contentCount-1];
       
   153             iContentCache.Remove(contentCount-1);
       
   154             }
       
   155         }
       
   156     else if( content->IsReady() )
       
   157         {
       
   158         // cached value ready 
       
   159         const TDesC& txt = content->Text();
       
   160         if( txt.Length() )
       
   161             {
       
   162             aText = txt.AllocL();
       
   163             aIconId = content->IconId();
       
   164             aType = content->Type();
       
   165             }
       
   166         }
       
   167     }
       
   168 
       
   169 // end of file