predictivesearch/PcsServer/src/CPcsSession.cpp
branchRCL_3
changeset 63 f4a778e096c2
child 64 c1e8ba0c2b16
child 85 38bb213f60ba
equal deleted inserted replaced
62:5b6f26637ad3 63:f4a778e096c2
       
     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 "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:  PCS Session class
       
    15 *
       
    16 */
       
    17 
       
    18 // INCLUDE FILES
       
    19 #include <e32cmn.h>
       
    20 #include <s32mem.h>
       
    21 #include <e32debug.h>
       
    22 #include <utf.h>
       
    23 
       
    24 #include "CPcsDefs.h"
       
    25 #include "CPcsServer.h"
       
    26 #include "CPcsSession.h"
       
    27 #include "CPsClientData.h"
       
    28 #include "CPsQuery.h"
       
    29 #include "CPcsPluginInterface.h"
       
    30 #include "CPcsDebug.h"
       
    31 
       
    32 // ============================== MEMBER FUNCTIONS ============================
       
    33 
       
    34 // ----------------------------------------------------------------------------
       
    35 // CPcsSession::NewL
       
    36 // Two Phase Construction
       
    37 // ----------------------------------------------------------------------------
       
    38 CPcsSession* CPcsSession::NewL(CPcsServer* aServer)
       
    39 {
       
    40     PRINT ( _L("Enter CPcsSession::NewL") );
       
    41 
       
    42     CPcsSession* self= new (ELeave) CPcsSession(aServer);
       
    43     CleanupStack::PushL(self);
       
    44     self->ConstructL();
       
    45     CleanupStack::Pop(); // self
       
    46 
       
    47     PRINT ( _L("End CPcsSession::NewL") );
       
    48 
       
    49     return self;
       
    50 }
       
    51 
       
    52 // ----------------------------------------------------------------------------
       
    53 // CPcsSession::CPcsSession
       
    54 // Construtor
       
    55 // ----------------------------------------------------------------------------
       
    56 CPcsSession::CPcsSession( CPcsServer* aServer ) :iServer(aServer)
       
    57 {
       
    58 	PRINT ( _L("Enter CPcsSession::CPcsSession") );
       
    59 	PRINT ( _L("End CPcsSession::CPcsSession") );
       
    60 }
       
    61 
       
    62 // ----------------------------------------------------------------------------
       
    63 // CPcsSession::ConstructL
       
    64 // Second phase constructor
       
    65 // ----------------------------------------------------------------------------
       
    66 void CPcsSession::ConstructL()
       
    67 {
       
    68 	PRINT ( _L("Enter CPcsSession::ConstructL") );
       
    69 
       
    70 	iBufferOverFlow = EFalse;
       
    71 
       
    72 	iSettings = CPsSettings::NewL();
       
    73 
       
    74 	PRINT ( _L("End CPcsSession::ConstructL") );
       
    75 }
       
    76 
       
    77 // ----------------------------------------------------------------------------
       
    78 // CPcsSession::CPcsSession
       
    79 // Destructor
       
    80 // ----------------------------------------------------------------------------
       
    81 CPcsSession::~CPcsSession()
       
    82 {
       
    83 	PRINT ( _L("Enter CPcsSession::~CPcsSession") );
       
    84 
       
    85 	delete iSettings;
       
    86 	delete iDes;
       
    87 
       
    88 	PRINT ( _L("End CPcsSession::~CPcsSession") );
       
    89 }
       
    90 
       
    91 // ----------------------------------------------------------------------------
       
    92 // CPcsSession::ServiceL
       
    93 //
       
    94 // ----------------------------------------------------------------------------
       
    95 void CPcsSession::ServiceL(const RMessage2& aMessage)
       
    96 {
       
    97 	PRINT ( _L("Enter CPcsSession::ServiceL") );
       
    98 
       
    99 	TInt errStatus = KErrNone;
       
   100 
       
   101 	// Do the service
       
   102 	TRAP ( errStatus, DoServiceL(aMessage) );
       
   103 
       
   104     // Check the error status returned
       
   105     if ( errStatus != KErrNone )
       
   106     {
       
   107     	aMessage.Complete(errStatus);
       
   108     }
       
   109 
       
   110     PRINT ( _L("End CPcsSession::ServiceL") );
       
   111 }
       
   112 
       
   113 // ----------------------------------------------------------------------------
       
   114 // CPcsSession::DoServiceL
       
   115 //
       
   116 // ----------------------------------------------------------------------------
       
   117 void CPcsSession::DoServiceL(const RMessage2& aMessage)
       
   118 {
       
   119 	PRINT ( _L("Enter CPcsSession::DoServiceL") );
       
   120 
       
   121     switch ( aMessage.Function() )
       
   122     {
       
   123     	case ESearchSettings:
       
   124     	    PRINT ( _L("Received function ESearchSettings") );
       
   125     	    SetSearchSettingsL(aMessage);
       
   126     	    break;
       
   127 
       
   128     	case ESearch:
       
   129     	    PRINT ( _L("Received function ESearch") );
       
   130      	    GetAsyncPcsResultsL(aMessage);
       
   131     	    break;
       
   132 
       
   133     	case ECancelSearch:
       
   134     	    PRINT ( _L("Received function ECancelSearch") );
       
   135     	    iBufferOverFlow = EFalse;
       
   136             delete iDes;
       
   137             iDes = NULL;
       
   138     	    aMessage.Complete(ECancelComplete);
       
   139     	    break;
       
   140 
       
   141     	case ESearchInput:
       
   142 	    	PRINT ( _L("Received function ESearchInput") );
       
   143      	    SearchInputL(aMessage);
       
   144     	    break;
       
   145     	    
       
   146         case ESearchMatchString:
       
   147             PRINT ( _L("Received function ESearchMatchString") );
       
   148             SearchMatchStringL(aMessage);
       
   149             break;
       
   150 
       
   151     	case ELangSupport:
       
   152 			PRINT ( _L("Received function ELangSupport") );
       
   153 			IsLanguageSupportedL(aMessage);
       
   154 			break;
       
   155 
       
   156     	case EGetDataOrder:
       
   157 			PRINT ( _L("Received function EGetDataOrder") );
       
   158 			GetDataOrderL(aMessage);
       
   159 			break;
       
   160 
       
   161     	case EGetSortOrder:
       
   162 			PRINT ( _L("Received function EGetSortOrder") );
       
   163 			GetSortOrderL(aMessage);
       
   164 			break;
       
   165 
       
   166         case ESetSortOrder:
       
   167 			PRINT ( _L("Received function ESetSortOrder") );
       
   168 			ChangeSortOrderL(aMessage);
       
   169 			break;
       
   170 
       
   171         case EGetAdaptiveGrid:
       
   172             PRINT ( _L("Received function EGetAdaptiveGrid") );
       
   173 			GetAdaptiveGridL(aMessage);
       
   174 			break;
       
   175 
       
   176 	    case EShutdown:
       
   177 		    PRINT ( _L("Received function EShutdown") );
       
   178 			ShutdownServerL(aMessage);
       
   179 			break;
       
   180     }
       
   181 
       
   182 	PRINT ( _L("End CPcsSession::DoServiceL") );
       
   183 
       
   184 	return;
       
   185 }
       
   186 // ----------------------------------------------------------------------------
       
   187 // CPcsSession::ServiceError
       
   188 //
       
   189 // ----------------------------------------------------------------------------
       
   190 void CPcsSession::ServiceError(const RMessage2& aMessage, TInt aError)
       
   191 {
       
   192 	PRINT ( _L("Enter CPcsSession::ServiceError") );
       
   193 
       
   194 	aMessage.Complete(aError);
       
   195 
       
   196 	PRINT ( _L("End CPcsSession::ServiceError") );
       
   197 }
       
   198 
       
   199 
       
   200 // ----------------------------------------------------------------------------
       
   201 // CPcsSession::SetSearchSettings
       
   202 //
       
   203 // ----------------------------------------------------------------------------
       
   204 void CPcsSession::SetSearchSettingsL(const RMessage2& aMessage)
       
   205 {
       
   206 	PRINT ( _L("Enter CPcsSession::SetSearchSettingsL") );
       
   207 
       
   208 	// Read search settings from the message
       
   209 	HBufC8* searchSettings = HBufC8::NewLC(KBufferMaxLen);
       
   210 
       
   211 	TPtr8 searchSettingsPtr(searchSettings->Des());
       
   212 	aMessage.ReadL(0, searchSettingsPtr);
       
   213 
       
   214 	// Stream over the buffer
       
   215 	RDesReadStream searchSettingsStream(searchSettingsPtr);
       
   216 	searchSettingsStream.PushL();
       
   217 
       
   218     if ( iSettings )
       
   219     {
       
   220     	delete iSettings;
       
   221     	iSettings = NULL;
       
   222     }
       
   223 
       
   224     iSettings = CPsSettings::NewL();
       
   225 
       
   226 	iSettings->InternalizeL(searchSettingsStream);
       
   227 
       
   228 	// searchSettingsStream, searchSettings
       
   229 	CleanupStack::PopAndDestroy(2, searchSettings);
       
   230 
       
   231 	aMessage.Complete(KErrNone);
       
   232 
       
   233 	PRINT ( _L("End CPcsSession::SetSearchSettingsL") );
       
   234 }
       
   235 
       
   236 // ----------------------------------------------------------------------------
       
   237 // CPcsSession::GetAsyncPcsResultsL
       
   238 //
       
   239 // ----------------------------------------------------------------------------
       
   240 void CPcsSession::GetAsyncPcsResultsL(const RMessage2& aMessage)
       
   241 {
       
   242     __LATENCY_MARK ( _L("CPcsSession::GetAsyncPcsResultsL") );
       
   243     PRINT( _L("Enter CPcsSession::GetAsyncPcsResultsL") );
       
   244 
       
   245     if ( iBufferOverFlow == EFalse )
       
   246     {
       
   247 
       
   248         // -------------------------------------------------------------
       
   249 
       
   250 	    // Read search query from the message
       
   251 	    CPsQuery* psQuery = ReadQueryLC( 0, aMessage );
       
   252 
       
   253 	    // -------------------------------------------------------------
       
   254 
       
   255         RPointerArray<CPsClientData> searchResults;
       
   256         RPointerArray<CPsPattern> searchSeqs;
       
   257 
       
   258         iServer->PluginInterface()->PerformSearchL(*iSettings,
       
   259                                                    *psQuery,
       
   260                                                    searchResults,
       
   261                                                    searchSeqs);
       
   262         CleanupStack::PopAndDestroy( psQuery );
       
   263 
       
   264 		// Dynamic data buffer
       
   265 	    CBufFlat* buf = CBufFlat::NewL(KBufferMaxLen);
       
   266 	    CleanupStack::PushL(buf);
       
   267 
       
   268 	    // Stream over the buffer
       
   269 	    RBufWriteStream stream(*buf);
       
   270 	    stream.PushL();
       
   271 
       
   272         // Write the number of contacts
       
   273 	    stream.WriteInt32L(searchResults.Count());
       
   274 
       
   275 	    // Write the contacts
       
   276 	    for ( TInt i = 0; i < searchResults.Count(); i++ )
       
   277 	    {
       
   278 	        searchResults[i]->ExternalizeL(stream);
       
   279 	    }
       
   280 
       
   281 	    // Write the number of char seqs
       
   282 	    stream.WriteInt32L(searchSeqs.Count());
       
   283 
       
   284 	    // Write the seqs
       
   285 	    for ( TInt j = 0; j < searchSeqs.Count(); j++ )
       
   286 	    {
       
   287 	        searchSeqs[j]->ExternalizeL(stream);
       
   288 	    }
       
   289 
       
   290 	    // Cleanup
       
   291 	    searchResults.ResetAndDestroy();
       
   292 	    searchSeqs.ResetAndDestroy();
       
   293 
       
   294         // Results are already packed in the stream
       
   295         stream.CommitL();
       
   296 
       
   297         // Create a heap descriptor from the buffer
       
   298         delete iDes;
       
   299         iDes = NULL;
       
   300 	    iDes = buf->Ptr(0).AllocL();
       
   301 	    
       
   302 	    CleanupStack::PopAndDestroy(2, buf); // buf, stream
       
   303     }
       
   304 
       
   305     TInt rcevdBufferSize = aMessage.GetDesMaxLength(1);
       
   306     User::LeaveIfNull( iDes );
       
   307     TInt reqdBufferSize  = iDes->Size();
       
   308 
       
   309     PRINT1 ( _L("Received buffer size = %d"), rcevdBufferSize );
       
   310     PRINT1 ( _L("Required buffer size = %d"), reqdBufferSize );
       
   311 
       
   312     // If the received buffer size from Client API is less than
       
   313     // the required buffer size write the required buffer size
       
   314     // and return.
       
   315     if ( rcevdBufferSize < reqdBufferSize )
       
   316     {
       
   317         PRINT ( _L("In-adequate buffer received") );
       
   318         PRINT ( _L("Packing the required buffer size in response") );
       
   319 
       
   320     	TPckgC<TInt> bufferSizePackage(reqdBufferSize);
       
   321     	aMessage.WriteL(1, bufferSizePackage);
       
   322     	aMessage.Complete(KErrOverflow);
       
   323 
       
   324     	iBufferOverFlow = ETrue;
       
   325     }
       
   326     else
       
   327     {
       
   328         PRINT ( _L("Adequate buffer received") );
       
   329         PRINT ( _L("Packing the results in response") );
       
   330 
       
   331 		aMessage.Write(1, *iDes);
       
   332 		aMessage.Complete(ESearchComplete);
       
   333 
       
   334 		iBufferOverFlow = EFalse;
       
   335     	delete iDes;
       
   336         iDes = NULL;
       
   337     }
       
   338 
       
   339     PRINT ( _L("End CPcsSession::GetAsyncPcsResultsL") );
       
   340 
       
   341     __LATENCY_MARKEND ( _L("CPcsSession::GetAsyncPcsResultsL") );
       
   342 }
       
   343 
       
   344 // ----------------------------------------------------------------------------
       
   345 // CPcsSession::SearchInputL
       
   346 //
       
   347 // ----------------------------------------------------------------------------
       
   348 void CPcsSession::SearchInputL(const RMessage2& aMessage)
       
   349 {
       
   350     PRINT ( _L("Enter CPcsSession::SearchInputL") );
       
   351     __LATENCY_MARK ( _L("CPcsSession::SearchInputL") );
       
   352 
       
   353     // -------------------------------------------------------------
       
   354 
       
   355     // Read search query from the message
       
   356     CPsQuery* psQuery = ReadQueryLC( 0, aMessage );
       
   357 
       
   358     // -------------------------------------------------------------
       
   359 
       
   360     // Read search data from the message
       
   361     HBufC8* searchData = HBufC8::NewLC(KBufferMaxLen);
       
   362 
       
   363     TPtr8 searchDataPtr(searchData->Des());
       
   364     aMessage.ReadL(1, searchDataPtr);
       
   365 
       
   366     // Stream over the buffer
       
   367     RDesReadStream searchDataStream(searchDataPtr);
       
   368     searchDataStream.PushL();
       
   369 
       
   370     // Data to be searched
       
   371     // Read data size
       
   372 	TUint16 szData = searchDataStream.ReadUint16L();
       
   373     HBufC* data =  HBufC::NewL(searchDataStream, szData);
       
   374 
       
   375     // searchQueryStream, searchQuery
       
   376     CleanupStack::PopAndDestroy(2, searchData);
       
   377     CleanupStack::PushL( data );
       
   378 
       
   379     // -------------------------------------------------------------
       
   380 
       
   381     // To hold the matches
       
   382     RPointerArray<TDesC> searchSeqs;
       
   383 
       
   384     // To hold matched location
       
   385     RArray<TPsMatchLocation> sequenceLoc;
       
   386 
       
   387 	iServer->PluginInterface()->SearchInputL(*psQuery,
       
   388 	                                         *data,
       
   389 	                                         searchSeqs,
       
   390 	                                         sequenceLoc);
       
   391 
       
   392 
       
   393     // Delete the search query and search data
       
   394 	CleanupStack::PopAndDestroy( data );
       
   395     CleanupStack::PopAndDestroy( psQuery );
       
   396 
       
   397     // --------- create write stream ---------------------------
       
   398     // Dynamic data buffer
       
   399     CBufFlat* buf = CBufFlat::NewL(KBufferMaxLen);
       
   400     CleanupStack::PushL(buf);
       
   401 
       
   402     // Stream over the buffer
       
   403     RBufWriteStream stream(*buf);
       
   404     stream.PushL();
       
   405 
       
   406     // --------- write match sequence ---------------------------
       
   407     // Write the number of match seqs
       
   408     stream.WriteUint16L(searchSeqs.Count());
       
   409 
       
   410     // Write the matches
       
   411     for ( TInt j = 0; j < searchSeqs.Count(); j++ )
       
   412     {
       
   413         TInt length = searchSeqs[j]->Length();
       
   414 
       
   415         // Write the char sequence length
       
   416         stream.WriteUint16L(length);
       
   417 
       
   418         // Write the char sequence
       
   419     	stream << *searchSeqs[j];
       
   420     }
       
   421 
       
   422     // --------- write match sequence location ------------------
       
   423     // write number of sequnece
       
   424     stream.WriteUint16L(sequenceLoc.Count());
       
   425 
       
   426     // write each structure element
       
   427     for(TInt k = 0; k < sequenceLoc.Count(); k++)
       
   428     {
       
   429     	TPsMatchLocation temp = sequenceLoc[k];
       
   430 
       
   431     	// write the starting index
       
   432     	stream.WriteUint16L(temp.index);
       
   433 
       
   434     	// write the length of match
       
   435     	stream.WriteUint16L(temp.length);
       
   436 
       
   437     	//write directionality of string
       
   438     	stream.WriteUint16L(temp.direction);
       
   439 
       
   440     }
       
   441 
       
   442     // Reset search seqs
       
   443     searchSeqs.ResetAndDestroy();
       
   444     sequenceLoc.Reset();
       
   445     sequenceLoc.Close();
       
   446 
       
   447     stream.CommitL();
       
   448 
       
   449 	aMessage.Write(2, buf->Ptr(0));
       
   450 	aMessage.Complete(KErrNone);
       
   451 	
       
   452 	CleanupStack::PopAndDestroy(2, buf); // buf, stream
       
   453 	
       
   454     PRINT ( _L("End CPcsSession::SearchInputL") );
       
   455     __LATENCY_MARKEND ( _L("CPcsSession::SearchInputL") );
       
   456 }
       
   457 
       
   458 // ----------------------------------------------------------------------------
       
   459 // CPcsSession::SearchMatchStringL
       
   460 //
       
   461 // ----------------------------------------------------------------------------
       
   462 void CPcsSession::SearchMatchStringL(const RMessage2& aMessage)
       
   463 {
       
   464     PRINT ( _L("Enter CPcsSession::SearchMatchStringL") );
       
   465     //__LATENCY_MARK ( _L("CPcsSession::SearchMatchStringL") );
       
   466 
       
   467     // -------------------------------------------------------------
       
   468 
       
   469     // Create result buffer
       
   470     HBufC* des = HBufC::NewLC(KBufferMaxLen);
       
   471     TPtr ptr(des->Des());
       
   472     
       
   473     // -------------------------------------------------------------
       
   474 
       
   475     // Read search query from the message
       
   476     CPsQuery* psQuery = ReadQueryLC( 0, aMessage );
       
   477 
       
   478     // -------------------------------------------------------------
       
   479 
       
   480     // Read search data from the message
       
   481     HBufC8* searchData = HBufC8::NewLC(KBufferMaxLen);
       
   482 
       
   483     TPtr8 searchDataPtr(searchData->Des());
       
   484     aMessage.ReadL(1, searchDataPtr);
       
   485 
       
   486     // Stream over the buffer
       
   487     RDesReadStream searchDataStream(searchDataPtr);
       
   488     searchDataStream.PushL();
       
   489 
       
   490     // Data to be searched
       
   491     // Read data size
       
   492     TUint16 szData = searchDataStream.ReadUint16L();
       
   493     HBufC* data = HBufC::NewL(searchDataStream, szData);
       
   494 
       
   495     // searchQueryStream, searchQuery
       
   496     CleanupStack::PopAndDestroy(2, searchData);
       
   497     CleanupStack::PushL( data );
       
   498 
       
   499     // -------------------------------------------------------------
       
   500 
       
   501     iServer->PluginInterface()->SearchMatchStringL( *psQuery, *data, ptr );
       
   502 
       
   503     // Delete the search query and search data
       
   504     CleanupStack::PopAndDestroy( data );
       
   505     CleanupStack::PopAndDestroy( psQuery );
       
   506 
       
   507     aMessage.Write(2, *des);
       
   508     aMessage.Complete(KErrNone);
       
   509     CleanupStack::PopAndDestroy(des);
       
   510     
       
   511     PRINT ( _L("End CPcsSession::SearchMatchStringL") );
       
   512     //__LATENCY_MARKEND ( _L("CPcsSession::SearchMatchStringL") );
       
   513 
       
   514 }
       
   515 
       
   516 // ----------------------------------------------------------------------------
       
   517 // CPcsSession::IsLanguageSupportedL
       
   518 //
       
   519 // ----------------------------------------------------------------------------
       
   520 void CPcsSession::IsLanguageSupportedL(const RMessage2& aMessage)
       
   521 {
       
   522 	PRINT ( _L("Enter CPcsSession::IsLanguageSupportedL") );
       
   523 
       
   524 	// --------------------------------------------------------------
       
   525 
       
   526     // Read TLanguage from the message
       
   527     HBufC8* buffer = HBufC8::NewLC(KBufferMaxLen);
       
   528 
       
   529     TPtr8 bufferPtr(buffer->Des());
       
   530     aMessage.ReadL(0, bufferPtr);
       
   531 
       
   532     // Stream over the buffer
       
   533     RDesReadStream stream(bufferPtr);
       
   534     stream.PushL();
       
   535 
       
   536     // Read language ID
       
   537    	TUint32 languageId = stream.ReadUint32L();
       
   538 
       
   539     // stream, buffer
       
   540     CleanupStack::PopAndDestroy(2, buffer);
       
   541 
       
   542     // --------------------------------------------------------------
       
   543 
       
   544     // Get is language supported from the algorithm
       
   545     TBool flag = iServer->PluginInterface()->IsLanguageSupportedL(languageId);
       
   546 
       
   547     // --------------------------------------------------------------
       
   548     // Dynamic data buffer
       
   549     CBufFlat* buffer1 = CBufFlat::NewL(KBufferMaxLen);
       
   550     CleanupStack::PushL(buffer1);
       
   551 
       
   552     // Stream over the buffer
       
   553     RBufWriteStream stream1(*buffer1);
       
   554     stream1.PushL();
       
   555 
       
   556     // Pack the result back in response
       
   557 	stream1.WriteUint8L(flag);
       
   558 
       
   559     stream1.CommitL();
       
   560 
       
   561     // --------------------------------------------------------------
       
   562 
       
   563 	aMessage.Write(1, buffer1->Ptr(0));
       
   564 	aMessage.Complete(KErrNone);
       
   565 	CleanupStack::PopAndDestroy(2, buffer1); // buffer1, stream1
       
   566 
       
   567 	PRINT ( _L("End CPcsSession::IsLanguageSupportedL") );
       
   568 }
       
   569 
       
   570 
       
   571 // ----------------------------------------------------------------------------
       
   572 // CPcsSession::GetDataOrderL
       
   573 //
       
   574 // ----------------------------------------------------------------------------
       
   575 void CPcsSession::GetDataOrderL(const RMessage2& aMessage)
       
   576 {
       
   577     PRINT ( _L("Enter CPcsSession::GetDataOrderL") );
       
   578 
       
   579     // --------------------------------------------------------------
       
   580 
       
   581     // Read URI from the message
       
   582     HBufC8* buffer = HBufC8::NewLC(KBufferMaxLen);
       
   583 
       
   584     TPtr8 bufferPtr(buffer->Des());
       
   585     aMessage.ReadL(0, bufferPtr);
       
   586 
       
   587     // Stream over the buffer
       
   588     RDesReadStream stream(bufferPtr);
       
   589     stream.PushL();
       
   590 
       
   591 	// Size of URI
       
   592 	TInt uriSize = stream.ReadUint16L();
       
   593 
       
   594     // URI
       
   595     HBufC* uri = HBufC::NewLC(stream, uriSize);
       
   596 
       
   597     // --------------------------------------------------------------
       
   598 
       
   599     // Get the data order
       
   600     RArray<TInt> dataOrder;
       
   601     iServer->PluginInterface()->GetDataOrderL(*uri, dataOrder);
       
   602     
       
   603     // uri, stream, buffer
       
   604     CleanupStack::PopAndDestroy(3, buffer);
       
   605     
       
   606     CleanupClosePushL(dataOrder);
       
   607     
       
   608     // --------------------------------------------------------------
       
   609 
       
   610     // Dynamic data buffer
       
   611     CBufFlat* buffer1 = CBufFlat::NewL(KBufferMaxLen);
       
   612     CleanupStack::PushL(buffer1);
       
   613 
       
   614     // Stream over the buffer
       
   615     RBufWriteStream stream1(*buffer1);
       
   616     stream1.PushL();
       
   617 
       
   618     // Pack the data order fields
       
   619 	TInt fieldCount = dataOrder.Count();
       
   620 	stream1.WriteUint16L(fieldCount);
       
   621 
       
   622 	// Pack the fields
       
   623 	for ( TInt i = 0; i < fieldCount; i++ )
       
   624 	{
       
   625 		stream1.WriteUint16L(dataOrder[i]);
       
   626 	}
       
   627 
       
   628     stream1.CommitL();
       
   629 
       
   630     // --------------------------------------------------------------
       
   631 
       
   632 	aMessage.Write(1, buffer1->Ptr(0));
       
   633 	aMessage.Complete(KErrNone);
       
   634 	CleanupStack::PopAndDestroy(3, &dataOrder); // stream1, buffer1, dataOrder
       
   635 
       
   636     PRINT ( _L("End CPcsSession::GetDataOrderL") );
       
   637 }
       
   638 
       
   639 // ----------------------------------------------------------------------------
       
   640 // CPcsSession::GetSortOrderL
       
   641 //
       
   642 // ----------------------------------------------------------------------------
       
   643 void CPcsSession::GetSortOrderL(const RMessage2& aMessage)
       
   644 {
       
   645     PRINT ( _L("Enter CPcsSession::GetSortOrderL") );
       
   646 
       
   647     // --------------------------------------------------------------
       
   648 
       
   649     // Read URI from the message
       
   650     HBufC8* buffer = HBufC8::NewLC(KBufferMaxLen);
       
   651 
       
   652     TPtr8 bufferPtr(buffer->Des());
       
   653     aMessage.ReadL(0, bufferPtr);
       
   654 
       
   655     // Stream over the buffer
       
   656     RDesReadStream stream(bufferPtr);
       
   657     stream.PushL();
       
   658 
       
   659 	// Size of URI
       
   660 	TInt uriSize = stream.ReadUint16L();
       
   661 
       
   662     // URI
       
   663     HBufC* uri = HBufC::NewL(stream, uriSize);
       
   664     CleanupStack::PopAndDestroy( &stream );
       
   665     CleanupStack::PopAndDestroy( buffer );
       
   666     CleanupStack::PushL( uri );
       
   667 
       
   668     // --------------------------------------------------------------
       
   669 
       
   670     // Set the sort order
       
   671     RArray<TInt> sortOrder;
       
   672     iServer->PluginInterface()->GetSortOrderL(*uri, sortOrder);
       
   673     
       
   674     CleanupStack::PopAndDestroy( uri );
       
   675     
       
   676     CleanupClosePushL( sortOrder );
       
   677     
       
   678     // --------------------------------------------------------------
       
   679 
       
   680     // Dynamic data buffer
       
   681     CBufFlat* buffer1 = CBufFlat::NewL(KBufferMaxLen);
       
   682     CleanupStack::PushL(buffer1);
       
   683 
       
   684     // Stream over the buffer
       
   685     RBufWriteStream stream1(*buffer1);
       
   686     stream1.PushL();
       
   687 
       
   688     // Pack the data order fields
       
   689 	TInt fieldCount = sortOrder.Count();
       
   690 	stream1.WriteUint16L(fieldCount);
       
   691 
       
   692 	// Pack the fields
       
   693 	for ( TInt i = 0; i < fieldCount; i++ )
       
   694 	{
       
   695 		stream1.WriteUint16L(sortOrder[i]);
       
   696 	}
       
   697 
       
   698     stream1.CommitL();
       
   699 
       
   700     // --------------------------------------------------------------
       
   701 
       
   702 	aMessage.Write(1, buffer1->Ptr(0));
       
   703 	aMessage.Complete(KErrNone);
       
   704 	CleanupStack::PopAndDestroy(3, &sortOrder); // buffer1, stream1, sortOrder
       
   705 
       
   706     PRINT ( _L("End CPcsSession::GetSortOrderL") );
       
   707 }
       
   708 
       
   709 // ----------------------------------------------------------------------------
       
   710 // CPcsSession::ChangeSortOrderL
       
   711 //
       
   712 // ----------------------------------------------------------------------------
       
   713 void CPcsSession::ChangeSortOrderL(const RMessage2& aMessage)
       
   714 {
       
   715     PRINT ( _L("Enter CPcsSession::ChangeSortOrderL") );
       
   716 
       
   717     // --------------------------------------------------------------
       
   718 
       
   719     // Read URI from the message
       
   720     HBufC8* buffer = HBufC8::NewLC(KBufferMaxLen);
       
   721 
       
   722     TPtr8 bufferPtr(buffer->Des());
       
   723     aMessage.ReadL(0, bufferPtr);
       
   724 
       
   725     // Stream over the buffer
       
   726     RDesReadStream stream(bufferPtr);
       
   727     stream.PushL();
       
   728 
       
   729 	// Size of URI
       
   730 	TInt uriSize = stream.ReadUint16L();
       
   731 
       
   732     // URI
       
   733     HBufC* uri = HBufC::NewLC(stream, uriSize);
       
   734 
       
   735     // Number of data fields
       
   736     TInt fieldCount = stream.ReadUint16L();
       
   737     RArray<TInt> sortOrder;
       
   738     CleanupClosePushL( sortOrder );
       
   739 
       
   740     for ( TInt i = 0; i < fieldCount; i++ )
       
   741     {
       
   742     	sortOrder.AppendL(stream.ReadUint16L());
       
   743     }
       
   744 
       
   745     // --------------------------------------------------------------
       
   746 
       
   747     // Set the sort order
       
   748     iServer->PluginInterface()->ChangeSortOrderL(*uri, sortOrder);
       
   749 
       
   750     CleanupStack::PopAndDestroy( &sortOrder ); // Close
       
   751     CleanupStack::PopAndDestroy( uri );
       
   752     CleanupStack::PopAndDestroy( &stream );
       
   753     CleanupStack::PopAndDestroy( buffer );
       
   754 
       
   755     // --------------------------------------------------------------
       
   756 
       
   757 	aMessage.Complete(KErrNone);
       
   758 
       
   759     PRINT ( _L("End CPcsSession::ChangeSortOrderL") );
       
   760 }
       
   761 
       
   762 // ----------------------------------------------------------------------------
       
   763 // CPcsSession::GetAdaptiveGridL
       
   764 //
       
   765 // ----------------------------------------------------------------------------
       
   766 void CPcsSession::GetAdaptiveGridL(const RMessage2& aMessage)
       
   767 {
       
   768     PRINT ( _L("Enter CPcsSession::GetAdaptiveGridL") );
       
   769     __LATENCY_MARK ( _L("CPcsSession::GetAdaptiveGridL") );
       
   770 
       
   771     // Create the result output buffer
       
   772     HBufC* outBuf = HBufC::NewLC( KBufferMaxLen );
       
   773     TPtr outBufPtr( outBuf->Des() );
       
   774 
       
   775     // ------- Read the Data Stores from the message -------
       
   776     
       
   777     // Read URIs from the message
       
   778     HBufC8* buffer = HBufC8::NewLC(KBufferMaxLen);
       
   779 
       
   780     TPtr8 bufferPtr(buffer->Des());
       
   781     aMessage.ReadL(0, bufferPtr);
       
   782 
       
   783     // Stream over the buffer
       
   784     RDesReadStream stream(bufferPtr);
       
   785     stream.PushL();
       
   786 
       
   787     // Number of URIs
       
   788     TUint16 uriCount = stream.ReadUint16L();
       
   789 
       
   790     CDesCArrayFlat* dataStores = NULL;
       
   791     dataStores = new (ELeave) CDesCArrayFlat( uriCount );
       
   792     CleanupStack::PushL( dataStores );
       
   793 
       
   794     for (TUint i = 0; i < uriCount; i++ )
       
   795         {
       
   796         // Size of URI
       
   797         TUint16 uriSize = stream.ReadUint16L();
       
   798     
       
   799         // URI
       
   800         HBufC* uri = HBufC::NewLC( stream, uriSize );
       
   801         dataStores->AppendL( *uri );
       
   802         CleanupStack::PopAndDestroy( uri );
       
   803         }
       
   804     
       
   805     // -----------------------------------------------------
       
   806     
       
   807     // Read the Company Name from the message
       
   808     TBool companyName = aMessage.Int1();
       
   809     
       
   810     // Get the Adaptive Grid
       
   811     iServer->PluginInterface()->GetAdaptiveGridL( *dataStores, companyName, outBufPtr );
       
   812 
       
   813     // Write the Adaptive Grid to the message
       
   814     aMessage.Write( 2, *outBuf );
       
   815     aMessage.Complete( KErrNone );
       
   816 
       
   817     // Cleanup
       
   818     CleanupStack::PopAndDestroy( dataStores );
       
   819     CleanupStack::PopAndDestroy( &stream ); 
       
   820     CleanupStack::PopAndDestroy( buffer ); 
       
   821     CleanupStack::PopAndDestroy( outBuf );
       
   822     
       
   823     PRINT ( _L("End CPcsSession::GetAdaptiveGridL") );
       
   824     __LATENCY_MARKEND ( _L("CPcsSession::GetAdaptiveGridL") );
       
   825 }
       
   826 
       
   827 // ----------------------------------------------------------------------------
       
   828 // CPcsSession::ShutdownServerL
       
   829 //
       
   830 // ----------------------------------------------------------------------------
       
   831 void CPcsSession::ShutdownServerL(const RMessage2& aMessage)
       
   832 {
       
   833 	PRINT ( _L("Enter CPcsSession::ShutdownServerL") );
       
   834 
       
   835 	aMessage.Complete(KErrNone);
       
   836 	CActiveScheduler::Stop();
       
   837 
       
   838 	PRINT ( _L("End CPcsSession::ShutdownServerL") );
       
   839 }
       
   840 
       
   841 // ----------------------------------------------------------------------------
       
   842 // CPcsSession::ReadQueryLC
       
   843 //
       
   844 // ----------------------------------------------------------------------------
       
   845 CPsQuery* CPcsSession::ReadQueryLC( TInt aParam, const RMessage2& aMessage )
       
   846 {
       
   847     PRINT( _L("Enter CPcsSession::ReadQueryLC") );
       
   848     TInt size = aMessage.GetDesLength( aParam );
       
   849 
       
   850     if(size < 0)
       
   851     {
       
   852         PRINT ( _L("DesLength <0, Leave from  CPcsSession::ReadQueryLC"));
       
   853         User::Leave(KErrArgument);
       
   854     }
       
   855 
       
   856     HBufC8* tempBuf = HBufC8::NewLC( size );
       
   857 
       
   858     TPtr8 ptr( tempBuf->Des() );
       
   859     aMessage.ReadL( aParam, ptr );
       
   860 
       
   861     // Stream over the buffer
       
   862     RDesReadStream stream( ptr );
       
   863     stream.PushL();
       
   864 
       
   865     // Query object
       
   866     CPsQuery* psQuery = CPsQuery::NewL();
       
   867     CleanupStack::PushL( psQuery );
       
   868 
       
   869     psQuery->InternalizeL( stream );
       
   870 
       
   871     CleanupStack::Pop( psQuery ); // temporarily
       
   872     CleanupStack::PopAndDestroy( &stream );
       
   873     CleanupStack::PopAndDestroy( tempBuf );
       
   874     CleanupStack::PushL( psQuery );
       
   875 	
       
   876     PRINT ( _L("End CPcsSession::ReadQueryLC") );
       
   877     return psQuery;
       
   878 }