uiservicetab/vimpstengine/src/cvimpstenginefactory.cpp
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     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:  factory class for Engine component
       
    15 *
       
    16 */
       
    17 
       
    18 // INCLUDE FILES
       
    19 #include "cvimpstenginefactory.h"
       
    20 
       
    21 #include <e32std.h>
       
    22 #include <barsc.h>
       
    23 #include <gulutil.h>
       
    24 #include <coemain.h>
       
    25 
       
    26 #include "cvimpstengineservicetablefetcher.h"
       
    27 #include "cvimpstengine.h"
       
    28 #include "cvimpststoragemanagerfactory.h"
       
    29 
       
    30 #include <spnotifychange.h>
       
    31 #include <spsettings.h>
       
    32 
       
    33 #include "vimpstdebugtrace.h"
       
    34 #include "cvimpstenginecvlistener.h"
       
    35 
       
    36 // ================= MEMBER FUNCTIONS =======================
       
    37 
       
    38 // -----------------------------------------------------------------------------
       
    39 // CVIMPSTEngineFactory::InstanceL
       
    40 // Create an instance of the ximp manager
       
    41 // behaving as singleton object already created then return same instance.
       
    42 // -----------------------------------------------------------------------------
       
    43 //
       
    44 EXPORT_C MVIMPSTEngineFactory* CVIMPSTEngineFactory::InstanceL()
       
    45     {
       
    46     CVIMPSTEngineFactory* singleton;
       
    47     singleton = static_cast<CVIMPSTEngineFactory*> (Dll::Tls());
       
    48     if( !singleton )
       
    49         {
       
    50         singleton = CVIMPSTEngineFactory::NewLC();
       
    51         User::LeaveIfError( Dll::SetTls( static_cast<TAny*> (singleton ) ));
       
    52         CleanupStack::Pop(singleton);
       
    53         }
       
    54    	singleton->IncreamentRefereneCount();
       
    55    	
       
    56     return (MVIMPSTEngineFactory*)singleton;
       
    57     }
       
    58     
       
    59 // -----------------------------------------------------------------------------
       
    60 // CVIMPSTEngineFactory::Release
       
    61 // Release the singelton
       
    62 // -----------------------------------------------------------------------------
       
    63 //
       
    64 EXPORT_C void CVIMPSTEngineFactory::Release()
       
    65     {
       
    66     CVIMPSTEngineFactory* singleton;
       
    67     singleton = static_cast<CVIMPSTEngineFactory*>(Dll::Tls());
       
    68     if( singleton && !singleton->DecreamentRefereneCount())
       
    69         {
       
    70         delete singleton;
       
    71         Dll::SetTls( NULL ) ;
       
    72         }
       
    73     }
       
    74 
       
    75 // -----------------------------------------------------------------------------
       
    76 // CVIMPSTEngineFactory::NewLC
       
    77 // Object creation using two phase construction
       
    78 // -----------------------------------------------------------------------------
       
    79 //
       
    80 CVIMPSTEngineFactory* CVIMPSTEngineFactory::NewLC()
       
    81     {
       
    82     CVIMPSTEngineFactory* self = new (ELeave) CVIMPSTEngineFactory();
       
    83     CleanupStack::PushL( self );
       
    84     self->ConstructL();
       
    85     return self;
       
    86     }
       
    87     
       
    88 // -----------------------------------------------------------------------------
       
    89 // CVIMPSTEngineFactory::ConstructL
       
    90 // Symbian OS default constructor can leave.
       
    91 // -----------------------------------------------------------------------------
       
    92 //
       
    93 void CVIMPSTEngineFactory::ConstructL()
       
    94     {
       
    95     
       
    96     CVIMPSTStorageManagerFactory::InitialiseLibraryL();
       
    97     
       
    98     //only 1 instance of iServiceTableFetcher shared between services
       
    99     iServiceTableFetcher = CVIMPSTEngineServiceTableFetcher::NewL();
       
   100     
       
   101     RArray<TUint32> serviceIdArray;
       
   102     CleanupClosePushL( serviceIdArray );
       
   103     //Get the available services
       
   104     iServiceTableFetcher->GetMasterServiceIdsL(serviceIdArray);
       
   105     
       
   106     // iterate the service array
       
   107     for ( TInt index = 0; index < serviceIdArray.Count() ; index++ )        
       
   108         {
       
   109         //create seperate engine instance for each service
       
   110         //and provide the same to the UI
       
   111         CVIMPSTEngine* item = 
       
   112         		CVIMPSTEngine::NewL(serviceIdArray[ index ], 
       
   113         		*iServiceTableFetcher);
       
   114         
       
   115         iServiceItems.Append(item);
       
   116         }
       
   117     
       
   118     CleanupStack::PopAndDestroy(); //serviceIdArray 
       
   119     
       
   120     //register for service table notifications
       
   121 	RArray<TUint> serviceIds;
       
   122     CleanupClosePushL( serviceIds );
       
   123     
       
   124     iSpNotifyChange = CSPNotifyChange::NewL( *this );    
       
   125     iSpNotifyChange->NotifyChangeL( serviceIds );
       
   126     CleanupStack::PopAndDestroy( &serviceIds ) ;    
       
   127     iCVlistener = CVIMPSTEngineCVListener::NewL( *iServiceTableFetcher );
       
   128     }
       
   129     
       
   130 // -----------------------------------------------------------------------------
       
   131 // CVIMPSTEngineFactory::IncreamentRefereneCount
       
   132 // Object creation using two phase construction
       
   133 // -----------------------------------------------------------------------------
       
   134 //
       
   135 void CVIMPSTEngineFactory::IncreamentRefereneCount()
       
   136     {
       
   137     iReferenceCount++;
       
   138     }
       
   139 // -----------------------------------------------------------------------------
       
   140 // CVIMPSTEngineFactory::DecreamentRefereneCount
       
   141 // Object creation using two phase construction
       
   142 // -----------------------------------------------------------------------------
       
   143 //
       
   144 TInt CVIMPSTEngineFactory::DecreamentRefereneCount()
       
   145     {
       
   146     iReferenceCount--;
       
   147     return iReferenceCount;
       
   148     }
       
   149 // ---------------------------------------------------------
       
   150 // CVIMPSTEngineFactory::CVIMPSTEngineFactory
       
   151 // ---------------------------------------------------------  
       
   152 CVIMPSTEngineFactory::CVIMPSTEngineFactory()
       
   153 	{
       
   154 		
       
   155 	}
       
   156 
       
   157 // ---------------------------------------------------------
       
   158 // CVIMPSTEngineFactory::~CVIMPSTEngineFactory
       
   159 // ---------------------------------------------------------   
       
   160 CVIMPSTEngineFactory::~CVIMPSTEngineFactory()
       
   161     {
       
   162     CVIMPSTStorageManagerFactory::Release();
       
   163     
       
   164     delete iSpNotifyChange;
       
   165     iSpNotifyChange = NULL;
       
   166     
       
   167     delete iServiceTableFetcher;
       
   168     
       
   169     //delete all the create engine instances
       
   170     iServiceItems.ResetAndDestroy();
       
   171     iServiceItems.Close();
       
   172     delete iCVlistener;
       
   173     iCVlistener = NULL;
       
   174     }
       
   175 
       
   176 // ---------------------------------------------------------
       
   177 // CVIMPSTEngineFactory::GetServiceEnginePtr
       
   178 // ---------------------------------------------------------  
       
   179 void CVIMPSTEngineFactory::GetServiceEnginePtr
       
   180 					(RPointerArray<MVIMPSTEngine>& serviceIdArray) const
       
   181 	{
       
   182 	
       
   183 	TInt count = iServiceItems.Count() ;
       
   184 	
       
   185     // iterate the service array
       
   186     for ( TInt index = 0; index < count ; index++ )        
       
   187         {  
       
   188         //append the engines created for each service
       
   189         serviceIdArray.Append(iServiceItems[index]);
       
   190         }    
       
   191     
       
   192 	}
       
   193 	
       
   194 // ---------------------------------------------------------
       
   195 // CVIMPSTEngineFactory::GetServiceEnginePtr
       
   196 // ---------------------------------------------------------  
       
   197 	
       
   198 TInt CVIMPSTEngineFactory::FindService(
       
   199 				TUint aServiceId ) const
       
   200 	{
       
   201 	TInt count = iServiceItems.Count() ;
       
   202 	TInt ret = KErrNotFound;
       
   203     // iterate the service array
       
   204     for ( TInt index = 0; index < count ; index++ )        
       
   205         {  
       
   206         //append the engines created for each service
       
   207         if(iServiceItems[index]->ServiceId() == aServiceId)
       
   208         	{
       
   209         	ret = index;
       
   210         	break;
       
   211         	}
       
   212         
       
   213         }  
       
   214     return ret;  
       
   215 	}
       
   216 	
       
   217 
       
   218 // ---------------------------------------------------------------------------
       
   219 // CVIMPSTEngineFactory::HandleNotifyChange()
       
   220 // ---------------------------------------------------------------------------
       
   221 //
       
   222 void CVIMPSTEngineFactory::HandleNotifyChange(
       
   223     TServiceId aServiceId )
       
   224     {
       
   225     TRACE( T_LIT("CVIMPSTEngineFactory::HandleNotifyChange start"));        
       
   226     TRACE( T_LIT("HandleNotifyChange() serviceid: %d"), aServiceId );	
       
   227 	
       
   228 	TBool newService = EFalse;
       
   229 	          
       
   230     if ( KErrNotFound == FindService(aServiceId) )
       
   231         {
       
   232         newService = ETrue;
       
   233         }
       
   234 	        
       
   235     TRAP_IGNORE( iServiceTableFetcher->DoHandleNotifyChangeL( aServiceId, newService, GetEngine(aServiceId) ) );
       
   236     
       
   237     TRACE( T_LIT("CVIMPSTEngineFactory::HandleNotifyChange end"));        
       
   238     }
       
   239 
       
   240 // ---------------------------------------------------------------------------
       
   241 // CVIMPSTEngineFactory::HandleError()
       
   242 // ---------------------------------------------------------------------------
       
   243 //
       
   244 void CVIMPSTEngineFactory::HandleError( TInt /*aError*/ )
       
   245     {
       
   246     TRACE( T_LIT("CVIMPSTEngineFactory::HandleError() start"));
       
   247 
       
   248     TRACE( T_LIT("CVIMPSTEngineFactory::HandleError() end"));
       
   249         
       
   250     }			
       
   251     
       
   252 // ---------------------------------------------------------------------------
       
   253 // CVIMPSTEngineFactory::GetEngine()
       
   254 // ---------------------------------------------------------------------------
       
   255 //
       
   256 MVIMPSTEngine* CVIMPSTEngineFactory::GetEngine( TServiceId aServiceId )
       
   257     {
       
   258     TInt count = iServiceItems.Count();
       
   259     MVIMPSTEngine* engine = NULL;
       
   260     for(int i=0 ; i<count ; i++)
       
   261 	    {
       
   262 	    if(iServiceItems[i]->ServiceId() == aServiceId)
       
   263 		    {
       
   264 		     engine = iServiceItems[i];
       
   265 		    }
       
   266 	    }
       
   267     return engine;
       
   268     }			
       
   269     
       
   270     
       
   271 
       
   272 //  End of File