serviceproviders/sapi_contacts_vpbk/contactservice/src/contactservice.cpp
changeset 19 989d2f495d90
child 22 fc9cf246af83
equal deleted inserted replaced
14:a36b1e19a461 19:989d2f495d90
       
     1 /*
       
     2 * Copyright (c) 2007 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 the License "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:  Implementation of the Contacts Service APIs.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 //System includes
       
    20 
       
    21 #include <cvpbkvcardeng.h>//for the vcard engin
       
    22 #include <cvpbkcontactmanager.h>// for iContactManager
       
    23 #include <mvpbkcontactstore.h>// for iContactStore
       
    24 #include <tvpbkcontactstoreuriPtr.h>//used in SetupL
       
    25 #include <mvpbkcontactstorelist.h>//used in SetupL to get contact stores
       
    26 #include <mvpbkstorecontactfield.h>//used in AddFieldToContactL
       
    27 #include <mvpbkstorecontact.h>// used in many function to get the store contact
       
    28 #include <mvpbkcontactfieldtextdata.h>//for the field text data
       
    29 #include <tvpbkfieldtypemapping.h>//used in CreateFieldTypeL()
       
    30 #include <mvpbkfieldtype.h>//return type of CreateFieldTypeL()
       
    31 #include <mvpbkcontactoperationbase.h>//for observer
       
    32 #include <mvpbkcontactfielddatetimedata.h>//Used in AddDateFieldToContactL
       
    33 #include <mvpbkcontactlink.h>//for param in ContactsSaved()
       
    34 #include <cvpbkcontactstoreuriarray.h>//used in SetupL
       
    35 #include <mvpbkstorecontact.h>		// used in many function to get the store contact
       
    36 #include <MVPbkContactGroup.h>
       
    37 #include <badesca.h>
       
    38 #include <mvpbkcontactstoreproperties.h>
       
    39 #include <tvpbkcontactstoreuriptr.h>
       
    40 #include <MVPbkContactStore.h>
       
    41 
       
    42 //User includes.
       
    43 #include "getliststorelistobserver.h"
       
    44 #include "addcontactobserver.h"
       
    45 #include "deletecontactobserver.h"
       
    46 #include "organisegroupsobserver.h"
       
    47 #include "contactretrieveobserver.h"
       
    48 #include "contactservice.h"
       
    49 
       
    50 class CContactIter;
       
    51 
       
    52 // ======== MEMBER FUNCTIONS ========
       
    53 
       
    54 // ---------------------------------------------------------------------------
       
    55 // Static NewL() method to create an instance of the contact service core class.
       
    56 // ---------------------------------------------------------------------------
       
    57 
       
    58 EXPORT_C
       
    59 CContactService* CContactService::NewL()
       
    60     {
       
    61     CContactService* self = new( ELeave ) CContactService( );
       
    62     CleanupStack::PushL( self );
       
    63     self->ConstructL();
       
    64     CleanupStack::Pop( self );
       
    65     return self;
       
    66     }
       
    67 
       
    68 
       
    69 // ---------------------------------------------------------------------------
       
    70 //  Destructor for CContactService.
       
    71 // ---------------------------------------------------------------------------
       
    72 
       
    73 CContactService::~CContactService()
       
    74     {
       
    75 	iFs.Close();
       
    76 	delete iEngine;
       
    77 	delete iContactManager;
       
    78 	for(TInt i = 0; i < iAsyncObjArray.Count(); i++)
       
    79 		{
       
    80 		((iAsyncObjArray[i]).iAsyncObj)->Cancel();
       
    81 		}
       
    82 	iAsyncObjArray.Close();
       
    83     }
       
    84 
       
    85 // ---------------------------------------------------------------------------
       
    86 //  Constructor.
       
    87 // ---------------------------------------------------------------------------
       
    88 
       
    89 CContactService::CContactService()
       
    90                  :iErrKey(0)                
       
    91     {
       
    92 
       
    93     }
       
    94 
       
    95 
       
    96 // ---------------------------------------------------------------------------
       
    97 //  Symbian second-phase constructor
       
    98 // ---------------------------------------------------------------------------
       
    99 
       
   100 void CContactService::ConstructL()
       
   101     {
       
   102     User::LeaveIfError( iFs.Connect() );
       
   103     BaseSetupL(VPbkContactStoreUris::DefaultCntDbUri());
       
   104     }
       
   105 
       
   106 //  METHODS
       
   107 // ---------------------------------------------------------------------------
       
   108 // Method to setup basic parameters...like creating contact manager instance,
       
   109 // and initialising the contact store.
       
   110 // ---------------------------------------------------------------------------
       
   111 
       
   112 TInt CContactService::BaseSetupL(const TDesC& aStoreUri
       
   113                                 /*MVPbkContactStoreListObserver* aStoreObserver*/)
       
   114     {
       
   115     //Create an instance of uriList and append all the list of URIs to the list.
       
   116 
       
   117     CVPbkContactStoreUriArray* uriList =
       
   118         CVPbkContactStoreUriArray::NewLC();
       
   119     uriList->AppendL(TVPbkContactStoreUriPtr(aStoreUri));
       
   120 
       
   121     //Instantiate contact manager with the
       
   122     //constucted uri list and file session.
       
   123     iContactManager = CVPbkContactManager::NewL(*uriList,
       
   124                                                 &iFs);
       
   125 
       
   126     MVPbkContactStoreList& contactStores = iContactManager->ContactStoresL();
       
   127 
       
   128     iContactStore = contactStores.Find(aStoreUri);
       
   129 
       
   130     CleanupStack::PopAndDestroy(uriList);
       
   131 
       
   132     return KErrNone;
       
   133     }
       
   134 
       
   135 
       
   136 //-----------------------------------------------------------------------------------
       
   137 // Open the store specific to Vcard import and export operations.
       
   138 //-----------------------------------------------------------------------------------
       
   139 
       
   140 TInt CContactService::VcardStoreOpenL(const TDesC& aStoreUri,
       
   141                                       MContactStoreListObserver* aStoreObserver)
       
   142     {
       
   143 	iContactManager->LoadContactStoreL(TVPbkContactStoreUriPtr(aStoreUri));
       
   144 
       
   145     if( !iEngine )
       
   146       iEngine = CVPbkVCardEng::NewL( *iContactManager );
       
   147 
       
   148      aStoreObserver->SetEngine( iEngine );
       
   149 
       
   150     // Open the store
       
   151     MVPbkContactStoreList& contactStores = iContactManager->ContactStoresL();
       
   152 
       
   153     iContactStore = contactStores.Find(aStoreUri);
       
   154 
       
   155     if(!iContactStore)
       
   156         {
       
   157 	    iContactManager->LoadContactStoreL(TVPbkContactStoreUriPtr(aStoreUri));
       
   158 	    contactStores = iContactManager->ContactStoresL();
       
   159 	    iContactStore = contactStores.Find(aStoreUri);
       
   160         }
       
   161     if(iContactStore)
       
   162         {
       
   163         aStoreObserver->SetContactStore( iContactStore );
       
   164     	iContactStore->OpenL( *aStoreObserver );
       
   165     	return KErrNone;
       
   166         }
       
   167 	return KErrGeneral;
       
   168 
       
   169     }
       
   170 
       
   171 
       
   172 // ---------------------------------------------------------------------------
       
   173 // Create data for the operation, prepare the write stream and
       
   174 // call the vCardEngine to execute the operation. The results are reported
       
   175 // through callback methods.
       
   176 // ---------------------------------------------------------------------------
       
   177 //
       
   178 EXPORT_C
       
   179 void CContactService::ExportVCardL(MContactCallback* aCallback,
       
   180                                    TInt aTransId,
       
   181                                    const TFileName& aFileName,
       
   182                                    const TDesC8& aContactId,
       
   183                                    const TDesC& aStoreUri)
       
   184     {
       
   185 	//Check for the validity of the arguments.
       
   186 	if( !aContactId.Compare(KNullDesC8) || NULL == aCallback)
       
   187     	{
       
   188     	User::Leave(KErrArgument);
       
   189     	}
       
   190     TInt returncode;
       
   191 	CExportStoreListObserver* exportObserver =
       
   192 	    CExportStoreListObserver::NewL(this,
       
   193 	                                   iFs,
       
   194 	                                   aFileName,
       
   195 	                                   aContactId,
       
   196 	                                   aCallback,
       
   197 	                                   aTransId);
       
   198 
       
   199 	CleanupStack::PushL(exportObserver);
       
   200 	exportObserver->SetContactService(this);
       
   201     returncode=VcardStoreOpenL(aStoreUri,
       
   202                                exportObserver);
       
   203 	if(returncode != KErrNone)
       
   204 		{
       
   205     	User::Leave(returncode);
       
   206 		}
       
   207 	AddAsyncObjL(aTransId, exportObserver);
       
   208 
       
   209     CleanupStack::Pop(exportObserver);
       
   210     }
       
   211 
       
   212 
       
   213 // ---------------------------------------------------------------------------
       
   214 // Prepare the read stream and call the vCardEngine to execute the operation.
       
   215 // The results are reported through callback methods.
       
   216 // ---------------------------------------------------------------------------
       
   217 //
       
   218 EXPORT_C
       
   219 void CContactService::
       
   220     ImportVCardToStoreL(MContactCallback* aCallback,
       
   221                         TInt aTransId,
       
   222                         const TFileName& aFileName,
       
   223                         const TDesC& aStoreUri)
       
   224     {
       
   225 	//Check for the validity of the arguments.
       
   226 	if(NULL == aCallback)
       
   227 	    {
       
   228 		User::Leave(KErrArgument);
       
   229 	    }
       
   230 
       
   231     TInt returncode;
       
   232     CImportStoreListObserver* importObserver =
       
   233         CImportStoreListObserver::NewL(iFs,
       
   234                                        aFileName,
       
   235                                        aCallback,
       
   236                                        aTransId);
       
   237 
       
   238     CleanupStack::PushL(importObserver);
       
   239     importObserver->SetContactService(this);
       
   240     returncode=VcardStoreOpenL(aStoreUri,
       
   241                                importObserver);
       
   242 	if(returncode != KErrNone)
       
   243 		{
       
   244     	User::Leave(returncode);
       
   245 		}
       
   246 	AddAsyncObjL(aTransId, importObserver);
       
   247 
       
   248     CleanupStack::Pop(importObserver);
       
   249 
       
   250     }
       
   251 
       
   252 // ---------------------------------------------------------------------------
       
   253 // This method gets the list of contact stores from the contact manager, finds
       
   254 // the specified database from the list and opens the same with the appropriate
       
   255 // observer passed to it.
       
   256 // If it does not found in the list of stores then loads the same and opens it
       
   257 // asynchronously.
       
   258 // ---------------------------------------------------------------------------
       
   259 
       
   260 TInt CContactService::
       
   261 GetContactStoreAndOpenL(const TDesC& aStoreUri,
       
   262 						MVPbkContactStoreObserver* aStoreObserver)
       
   263     {
       
   264     MVPbkContactStoreList& contactStores = iContactManager->ContactStoresL();
       
   265 
       
   266     iContactStore = contactStores.Find(aStoreUri);
       
   267 
       
   268     if(!iContactStore)
       
   269         {
       
   270 	    iContactManager->LoadContactStoreL(TVPbkContactStoreUriPtr(aStoreUri));
       
   271 	    contactStores = iContactManager->ContactStoresL();
       
   272 	    iContactStore = contactStores.Find(aStoreUri);
       
   273         }
       
   274     if(iContactStore)
       
   275         {
       
   276     	iContactStore->OpenL( *aStoreObserver );
       
   277     	return KErrNone;
       
   278         }
       
   279 	return KErrGeneral;
       
   280     }
       
   281 
       
   282 // ---------------------------------------------------------------------------
       
   283 // Method which does the following...
       
   284 // 1. Adding a new contact to the contact store.
       
   285 // 2. Adding a new group to the contact store.
       
   286 // 3. Edit an existing contact from the contact store.
       
   287 // 4. Edit a group from the contact store.
       
   288 // ---------------------------------------------------------------------------
       
   289 
       
   290 EXPORT_C
       
   291 void CContactService::AddL( MContactCallback* aCallback,
       
   292 							TInt aTransId,
       
   293 							CSingleContact* aStoreContact,
       
   294 							const TDesC8& aGroupId,
       
   295 							const TDesC& aGroupLabel,
       
   296 							const TDesC& aStoreUri )
       
   297     {
       
   298 	//Check for the validity of the arguments.
       
   299 	//if no new contact, no reference to exiting contact,
       
   300 	// no reference to existing grp,
       
   301     //no label to new grp then or no callback fn parameter then,
       
   302     // leave the fn with the error code KErrArgument.
       
   303 	if((aStoreContact && aGroupLabel != KNullDesC) || NULL == aCallback )
       
   304 	    {
       
   305 		User::Leave(KErrArgument);
       
   306 	    }
       
   307 
       
   308 	TInt retVal;
       
   309 
       
   310 	// Create an instance of addContactObserver
       
   311 	CAddContactObserver* addContactObserver =
       
   312 	    CAddContactObserver::NewL(this,
       
   313 						    	  iContactStore,
       
   314 								  aStoreContact,
       
   315 								  aGroupId,
       
   316 								  aGroupLabel,
       
   317 								  aTransId,
       
   318 								  aCallback);
       
   319 
       
   320 	CleanupStack::PushL(addContactObserver);
       
   321 
       
   322 	retVal = GetContactStoreAndOpenL(aStoreUri,
       
   323 	                                 addContactObserver);
       
   324 	if(retVal != KErrNone)
       
   325 		{
       
   326     	User::Leave(retVal);
       
   327 		}
       
   328 	AddAsyncObjL(aTransId, addContactObserver);
       
   329 	CleanupStack::Pop(addContactObserver);
       
   330 
       
   331 }
       
   332 
       
   333 
       
   334 // ---------------------------------------------------------------------------
       
   335 // Method for deleting a contact or list of contacts from the contact store.
       
   336 // ---------------------------------------------------------------------------
       
   337 
       
   338 EXPORT_C
       
   339 void CContactService::DeleteL( MContactCallback* aCallback,
       
   340   							   TInt aTransId,
       
   341   							   RPointerArray<TDesC8>& aContactIdArray,
       
   342 							   const TDesC& aStoreUri )
       
   343     {
       
   344 	//Check for the validity of the arguments.
       
   345 	if( !aCallback || (aContactIdArray.Count()==0))
       
   346 	    {
       
   347 		User::Leave(KErrArgument);
       
   348 	    }
       
   349 	TInt retVal;
       
   350 
       
   351     //Intantiate delete contact observer for deleting contacts from the contact store.
       
   352 	CDeleteContactObserver* deleteContactsObserver =
       
   353 	    CDeleteContactObserver::NewL(this,
       
   354 									 iContactStore,
       
   355 									 aContactIdArray,
       
   356 									 aTransId,
       
   357 									 aCallback );
       
   358 
       
   359 	CleanupStack::PushL(deleteContactsObserver);
       
   360 
       
   361 	retVal = GetContactStoreAndOpenL(aStoreUri,
       
   362 	                                 deleteContactsObserver);
       
   363 	if(retVal != KErrNone)
       
   364 		{
       
   365     	User::Leave(retVal);
       
   366 		}
       
   367 	AddAsyncObjL(aTransId, deleteContactsObserver);
       
   368 
       
   369 	CleanupStack::Pop(deleteContactsObserver);
       
   370 
       
   371     }
       
   372 
       
   373 
       
   374 // ---------------------------------------------------------------------------
       
   375 // Method does the following...
       
   376 // 1. Associates one or more contacts to the specified group.
       
   377 // 2. Disassociates one or more contacts from specified group.
       
   378 // ---------------------------------------------------------------------------
       
   379 
       
   380 EXPORT_C
       
   381 void CContactService::OrganiseGroupsL(MContactCallback* aCallback,
       
   382 								      TInt aTransId,
       
   383    						 			  const TDesC8& aGroupId,
       
   384    								  	  RPointerArray<TDesC8>& aContactIdArray,
       
   385    								  	  TBool aAssociateFlag,
       
   386     								  const TDesC& aStoreUri)
       
   387     {
       
   388 	//Check for the validity of the arguments.
       
   389 	if(!aCallback)
       
   390 	    {
       
   391 		User::Leave(KErrArgument);
       
   392 	    }
       
   393 
       
   394 
       
   395 	TInt retVal;
       
   396     //Create an instance of organise groups observer.
       
   397 	COrganiseGroupsObserver* organiseGroupsObserver =
       
   398 	    COrganiseGroupsObserver::NewL(this,
       
   399 									  aGroupId,
       
   400 									  aContactIdArray,
       
   401 									  aAssociateFlag,
       
   402 									  aTransId,
       
   403 									  aCallback,
       
   404 									  iContactStore);
       
   405 
       
   406 	CleanupStack::PushL(organiseGroupsObserver);
       
   407 
       
   408 	retVal = GetContactStoreAndOpenL(aStoreUri,
       
   409 	                                 organiseGroupsObserver);
       
   410 	if(retVal != KErrNone)
       
   411 		{
       
   412     	User::Leave(retVal);
       
   413 		}
       
   414 	AddAsyncObjL(aTransId, organiseGroupsObserver);
       
   415 
       
   416 	CleanupStack::Pop(organiseGroupsObserver); //organiseGroupsObserver
       
   417     }
       
   418 
       
   419 //---------------------------------------------------
       
   420 //Based on the kind of request for GetListL fetches a list of either contacts, groups or databases.
       
   421 //In case of fetching contacts/groups it calls GetContactStoreAndOpenL() for setting up the database before fetching.
       
   422 //In case of fetching of list of databases it calls GetContactsDatabases()
       
   423 //In both cases the result is to be iterable.
       
   424 //It can also be used in retrieving a single contact, in which case iterator is initialized directly.
       
   425 //---------------------------------------------------
       
   426 EXPORT_C
       
   427 void CContactService::GetListL( MContactCallback*  aCallback,
       
   428 	    						TInt aTransId,
       
   429 	    						Ttype type,
       
   430 	    						const TDesC8& aContactId,
       
   431 	    						const TDesC& aSearchVal,
       
   432 	    						CSearchFields* aSearchFields,
       
   433 	    						TOrder aSortOrder,
       
   434 	    						const TDesC& aStoreUri)
       
   435 	{
       
   436 		TInt retVal = KErrGeneral;
       
   437 		CContactIter* iter;
       
   438 		CGetListStoreListObserver* getListOpenObserver;
       
   439 	    if(!(aCallback))
       
   440 				{
       
   441 				User::Leave(KErrArgument);
       
   442 				}
       
   443 
       
   444 
       
   445 	    switch(type)
       
   446 	    	{
       
   447 	    	case EContacts:
       
   448 	    	case EGroups:
       
   449 				if(&aContactId && aContactId.Compare(KNullDesC8))
       
   450     				{
       
   451 					// Create Iterator
       
   452 					iter = CContactIter::NewL();
       
   453 					CleanupStack::PushL(iter);
       
   454 
       
   455     				//Extract the contactlink from the contactid
       
   456 
       
   457 					MVPbkContactLinkArray* linkArray = iContactManager->CreateLinksLC(aContactId);
       
   458 					//Open Store using GetContactStoreAndOpenL()
       
   459 					//and Create instantiate storelist observer
       
   460 					getListOpenObserver =
       
   461 					CGetListStoreListObserver::NewL((linkArray->At(0).
       
   462 					                                 ContactStore().
       
   463 					                                 StoreProperties().
       
   464 					                                 Uri().
       
   465 					                                 UriDes()),
       
   466 													 aContactId,
       
   467 													 aSearchVal,
       
   468 									        		 aSearchFields,
       
   469 												 	 aSortOrder,
       
   470 													 aCallback,
       
   471 													 this,
       
   472 													 iter,
       
   473 													 type,
       
   474 													 aTransId,
       
   475 													 iContactStore) ;
       
   476 
       
   477 			        CleanupStack::PushL(getListOpenObserver);
       
   478 
       
   479 			        //Opens the database and goes to observer's StoreReady() function.
       
   480 			        retVal = GetContactStoreAndOpenL( aStoreUri, getListOpenObserver );
       
   481 					if(retVal != KErrNone)
       
   482 						{
       
   483 				    	User::Leave(retVal);
       
   484 						}
       
   485 					AddAsyncObjL(aTransId, getListOpenObserver);
       
   486 
       
   487 
       
   488 					CleanupStack::Pop(getListOpenObserver);
       
   489 					CleanupStack::PopAndDestroy();//CreateLinksLC()
       
   490     				CleanupStack::Pop(iter);
       
   491 					break;
       
   492 
       
   493     				}
       
   494 
       
   495 				// Create Iterator
       
   496 				iter = CContactIter::NewL();
       
   497 				CleanupStack::PushL(iter);
       
   498 
       
   499 
       
   500 				//Open Store using GetContactStoreAndOpenL() and Create
       
   501 				//instantiate storelist observer
       
   502 				getListOpenObserver =
       
   503 				CGetListStoreListObserver::NewL(aStoreUri,
       
   504 												aContactId,
       
   505 												aSearchVal,
       
   506 								        		aSearchFields,
       
   507 												aSortOrder,
       
   508 												aCallback,
       
   509 												this,
       
   510 												iter,
       
   511 												type,
       
   512 												aTransId,
       
   513 												iContactStore) ;
       
   514 		        CleanupStack::PushL(getListOpenObserver);
       
   515 
       
   516 		        //Opens the database and goes to observer's StoreReady() function.
       
   517 		        retVal = GetContactStoreAndOpenL(aStoreUri,
       
   518 		                                         getListOpenObserver);
       
   519 				if(retVal != KErrNone)
       
   520 					{
       
   521 			    	User::Leave(retVal);
       
   522 					}
       
   523 				AddAsyncObjL(aTransId, getListOpenObserver);
       
   524 
       
   525 
       
   526 		        CleanupStack::Pop(getListOpenObserver);
       
   527 				CleanupStack::Pop(iter);
       
   528 			    break;
       
   529 	    	default:
       
   530 		    	User::Leave(KErrArgument);
       
   531 		   	}
       
   532 	}
       
   533 
       
   534 //---------------------------------------------------
       
   535 //Gets the list of databases from the member varible iContactManager
       
   536 //and reads the data and sets the iterator with the result.
       
   537 //---------------------------------------------------
       
   538 EXPORT_C void CContactService::GetListL( CContactIter& aIter )
       
   539 	{
       
   540 	HBufC* ptr = NULL;
       
   541 
       
   542 	//Get the list of stores present
       
   543 	 TInt count=(iContactManager->ContactStoresL()).Count();
       
   544 
       
   545 	 RPointerArray<HBufC> array(count);
       
   546 	 CleanupClosePushL(array);
       
   547 	 for(int i=0; i<count; i++)
       
   548         {
       
   549         ptr =
       
   550         iContactManager->ContactStoresL().At(i).StoreProperties().Uri().UriDes().AllocL();
       
   551         CleanupStack::PushL(ptr);
       
   552         array.AppendL(ptr);
       
   553         CleanupStack::Pop(ptr);
       
   554         }
       
   555 	 //Set the iterator to point to this array
       
   556 	 aIter.SetDbNamePtr(array, count);
       
   557 	 CleanupStack::Pop(&array);
       
   558 	}
       
   559 
       
   560 
       
   561 const MVPbkFieldTypeList& CContactService::GetFieldTypes()
       
   562     {
       
   563 	return iContactManager->FieldTypes();
       
   564 	}
       
   565 
       
   566 
       
   567 CVPbkContactManager& CContactService::GetContactManager()
       
   568 	{
       
   569 	return *iContactManager;
       
   570 	}
       
   571 
       
   572 
       
   573 // ---------------------------------------------------------------------------
       
   574 // Adds asynchronous request object
       
   575 // ---------------------------------------------------------------------------
       
   576 //
       
   577 void CContactService::AddAsyncObjL(const TInt32 aTransactionId,
       
   578                                    MCancelAsync* aAsyncObj)
       
   579 	{
       
   580 	TAsyncRequestInfo asyncRequestInfo;
       
   581 	asyncRequestInfo.iTransactionId = aTransactionId;
       
   582 	asyncRequestInfo.iAsyncObj = aAsyncObj;
       
   583 	iAsyncObjArray.AppendL( asyncRequestInfo );
       
   584 	}
       
   585 
       
   586 // ---------------------------------------------------------------------------
       
   587 // Cancels asynchronous request
       
   588 // ---------------------------------------------------------------------------
       
   589 //
       
   590 EXPORT_C TInt CContactService::Cancel( const TInt32 aTransactionId )
       
   591 	{
       
   592 	TInt pos = iAsyncObjArray.Count() - 1;
       
   593 	TAsyncRequestInfo obj;
       
   594 	TInt retVal = KErrNotFound;
       
   595 
       
   596 	for ( ; pos >= 0; pos-- )
       
   597 		{
       
   598 		obj = iAsyncObjArray[pos];
       
   599 		if( obj.iTransactionId == aTransactionId )
       
   600 			{
       
   601 			obj.iAsyncObj->Cancel();
       
   602 			iAsyncObjArray.Remove(pos);
       
   603 			iAsyncObjArray.Compress();
       
   604 			retVal = KErrNone;
       
   605 			}
       
   606 		}
       
   607 	return retVal;
       
   608 	}
       
   609 	
       
   610 // ---------------------------------------------------------------------------
       
   611 // Gets the unsupported field key ID
       
   612 // ---------------------------------------------------------------------------
       
   613 //
       
   614 EXPORT_C TInt CContactService :: GetErrKey()
       
   615     {
       
   616     return iErrKey;    
       
   617     }
       
   618 // ---------------------------------------------------------------------------
       
   619 // Notifies Messaging service about the completeion of the request
       
   620 // ---------------------------------------------------------------------------
       
   621 //
       
   622 void CContactService::RequestComplete( const TInt32 aTransactionId )
       
   623 	{
       
   624 	TInt pos = iAsyncObjArray.Count() - 1;
       
   625 	TAsyncRequestInfo obj;
       
   626 	for ( ; pos >= 0; pos-- )
       
   627 		{
       
   628 		obj = iAsyncObjArray[pos];
       
   629 		if( obj.iTransactionId == aTransactionId )
       
   630 			{
       
   631 			iAsyncObjArray.Remove(pos);
       
   632 			iAsyncObjArray.Compress();
       
   633 			return;
       
   634 			}
       
   635 		}
       
   636 	}
       
   637 
       
   638 
       
   639 //end of file