sysstatemgmt/systemstatereferenceplugins/clayer/src/saamiscadaptation.cpp
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     1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 //
       
    15 
       
    16 #include <s32mem.h>
       
    17 #include "saamiscadaptation.h"
       
    18 
       
    19 #include "startupadaptationadapter.h"
       
    20 #include "ssmdebug.h"
       
    21 #include "clayerpanic.h"
       
    22 /*
       
    23  * Creates a new object associated with the passed in CStartupAdaptationAdapter
       
    24  * 
       
    25  * @internalComponent
       
    26  */
       
    27 CSaaMiscAdaptation* CSaaMiscAdaptation::NewL(CStartupAdaptationAdapter* aAdapter)
       
    28 	{
       
    29 	CSaaMiscAdaptation* self = new (ELeave) CSaaMiscAdaptation(aAdapter);
       
    30 	return self;
       
    31 	}
       
    32 
       
    33 /*
       
    34  * Destructor for this object
       
    35  * 
       
    36  * @internalComponent
       
    37  */
       
    38 CSaaMiscAdaptation::~CSaaMiscAdaptation()
       
    39 	{
       
    40 	iLanguageList.Close();
       
    41 	}
       
    42 	
       
    43 /*
       
    44  * Decrements the reference count for this object, deleting it if necessary
       
    45  * 
       
    46  * @internalComponent
       
    47  */
       
    48 void CSaaMiscAdaptation::Release()
       
    49 	{
       
    50 	// This MClass is owned by the singleton CStartupAdaptationAdapter class so
       
    51 	// release should do nothing.
       
    52 	}
       
    53 
       
    54 /*
       
    55  * 
       
    56  * 
       
    57  * @internalComponent
       
    58  */
       
    59 void CSaaMiscAdaptation::SecurityStateChange(TInt aState, TDes8& aResponsePckg, TRequestStatus& aStatus)
       
    60 	{
       
    61 	// If this adaptation is busy then complete with KErrInUse
       
    62 	if(Busy())
       
    63 		{
       
    64 		TRequestStatus* statusPtr = &aStatus;
       
    65 		User::RequestComplete(statusPtr, KErrInUse);
       
    66 		return;
       
    67 		}
       
    68 	// Set this request status
       
    69 	SetRequestStatus(&aStatus);
       
    70 	aStatus = KRequestPending;
       
    71 	// No outstanding requests so set up command id
       
    72 	SetCommandId(StartupAdaptation::ESecurityStateChange);
       
    73 	// Set parameters
       
    74 	iSecurityStateChangePckg() = static_cast<StartupAdaptation::TSecurityState>(aState);
       
    75 	// Set return descriptor
       
    76 	iReturnPckg = &aResponsePckg;
       
    77 	// Pass this to the adapter
       
    78 	TRAPD(err, iAdapter->QueueDispatchL(this));
       
    79 	if(err != KErrNone)
       
    80 		{
       
    81 		// Failed to queue adaptation, complete with error
       
    82 		SetRequestStatus(NULL);
       
    83 		TRequestStatus* statusPtr = &aStatus;
       
    84 		User::RequestComplete(statusPtr, err);
       
    85 		}
       
    86 	}
       
    87 
       
    88 /*
       
    89  * 
       
    90  * 
       
    91  * @internalComponent
       
    92  */
       
    93 void CSaaMiscAdaptation::GetGlobalStartupMode(TDes8& aModePckg, TRequestStatus& aStatus)
       
    94 	{
       
    95 	// If this adaptation is busy then complete with KErrInUse
       
    96 	if(Busy())
       
    97 		{
       
    98 		TRequestStatus* statusPtr = &aStatus;
       
    99 		User::RequestComplete(statusPtr, KErrInUse);
       
   100 		return;
       
   101 		}
       
   102 	// Set this request status
       
   103 	SetRequestStatus(&aStatus);
       
   104 	aStatus = KRequestPending;
       
   105 	// No outstanding requests so set up command id
       
   106 	SetCommandId(StartupAdaptation::EGetGlobalStartupMode);
       
   107 	
       
   108 	// No parameters to set to pass in
       
   109 	
       
   110 	// Set return descriptor
       
   111 	iReturnPckg = &aModePckg;
       
   112 	// Pass this to the adapter
       
   113 	TRAPD(err, iAdapter->QueueDispatchL(this));
       
   114 	if(err != KErrNone)
       
   115 		{
       
   116 		// Failed to queue adaptation, complete with error
       
   117 		SetRequestStatus(NULL);
       
   118 		TRequestStatus* statusPtr = &aStatus;
       
   119 		User::RequestComplete(statusPtr, err);
       
   120 		}
       
   121 	
       
   122 	}
       
   123 
       
   124 void CSaaMiscAdaptation::GetHiddenReset(TDes8& aHiddenResetPckg, TRequestStatus& aStatus)
       
   125 	{
       
   126 	// If this adaptation is busy then complete with KErrInUse
       
   127 	if(Busy())
       
   128 		{
       
   129 		TRequestStatus* statusPtr = &aStatus;
       
   130 		User::RequestComplete(statusPtr, KErrInUse);
       
   131 		return;
       
   132 		}
       
   133 	// Set this request status
       
   134 	SetRequestStatus(&aStatus);
       
   135 	aStatus = KRequestPending;
       
   136 	// No outstanding requests so set up command id
       
   137 	SetCommandId(StartupAdaptation::EGetHiddenReset);
       
   138 	// No parameters to set to pass in
       
   139 	
       
   140 	// Set return package
       
   141 	iReturnPckg = &aHiddenResetPckg;
       
   142 	// Pass this to the adapter
       
   143 	TRAPD(err, iAdapter->QueueDispatchL(this));
       
   144 	if(KErrNone != err)
       
   145 		{
       
   146 		// Failed to queue adaptation, complete with error
       
   147 		SetRequestStatus(NULL);
       
   148 		TRequestStatus* statusPtr = &aStatus;
       
   149 		User::RequestComplete(statusPtr, err);
       
   150 		}
       
   151 	
       
   152 	}
       
   153 
       
   154 /*
       
   155  * 
       
   156  * 
       
   157  * @internalComponent
       
   158  */
       
   159 void CSaaMiscAdaptation::PrepareSimLanguages(TSsmLanguageListPriority aPriority, TDes8& aSizePckg, TRequestStatus& aStatus)
       
   160 	{
       
   161 	// If this adaptation is busy then complete with KErrInUse
       
   162 	if(Busy())
       
   163 		{
       
   164 		TRequestStatus* statusPtr = &aStatus;
       
   165 		User::RequestComplete(statusPtr, KErrInUse);
       
   166 		return;
       
   167 		}
       
   168 	// Set this request status
       
   169 	SetRequestStatus(&aStatus);
       
   170 	aStatus = KRequestPending;
       
   171 	// No outstanding requests so set up command id
       
   172 	SetCommandId(StartupAdaptation::EGetSIMLanguages);
       
   173 	// Set up parameters
       
   174 	switch(aPriority)
       
   175 	{
       
   176 		case EPrimaryLanguages:
       
   177 			iLanguageListPriorityPckg() = StartupAdaptation::EPrimaryLanguages; 
       
   178 			break;
       
   179 		case ESecondaryLanguages:
       
   180 			iLanguageListPriorityPckg() = StartupAdaptation::ESecondaryLanguages;	
       
   181 			break;
       
   182 		case ETertiaryLanguages:
       
   183 			iLanguageListPriorityPckg() = StartupAdaptation::ETertiaryLanguages;
       
   184 			break;	
       
   185 		default:
       
   186 			// Unknown language, pass across unchanged
       
   187 			iLanguageListPriorityPckg() = static_cast<StartupAdaptation::TLanguageListPriority>(aPriority);
       
   188 			break;
       
   189 	}
       
   190 	// Set up the return value
       
   191 	iReturnPckg = &aSizePckg;
       
   192 	// Pass this to the adapter
       
   193 	TRAPD(err, iAdapter->QueueDispatchL(this));
       
   194 	if(err != KErrNone)
       
   195 		{
       
   196 		// Failed to queue adaptation, complete with error
       
   197 		SetRequestStatus(NULL);
       
   198 		TRequestStatus* statusPtr = &aStatus;
       
   199 		User::RequestComplete(statusPtr, err);
       
   200 		}
       
   201 	
       
   202 	}
       
   203 
       
   204 /*
       
   205  * 
       
   206  * 
       
   207  * @internalComponent
       
   208  */
       
   209 void CSaaMiscAdaptation::GetSimLanguagesL(CBufBase* aBuf, TInt aCount)
       
   210 	{
       
   211 	const TInt languageCount = iLanguageList.Count();
       
   212 	if(aCount < languageCount)
       
   213 		{
       
   214 		DEBUGPRINT3A("Language count(%d) given is less than prepared languages count(%d)", aCount, languageCount);
       
   215 		// Buffer passed in isn't large enough 
       
   216 		User::Leave(KErrArgument);		
       
   217 		}
       
   218 
       
   219 	RBufWriteStream writeStream(*aBuf);
       
   220 	CleanupClosePushL(writeStream); 
       
   221 
       
   222 	for (TInt index =0; index < languageCount; ++index)
       
   223 		{
       
   224 		writeStream.WriteInt32L(iLanguageList[index]);
       
   225 		}
       
   226 	writeStream.CommitL();
       
   227 	CleanupStack::PopAndDestroy();
       
   228 	iLanguageList.Reset(); //iLanguageList is reset so that it can be used to contain new language list prepared by the method PrepareSimLanguages()
       
   229 	}
       
   230 
       
   231 /*
       
   232  * 
       
   233  * 
       
   234  * @internalComponent
       
   235  */
       
   236 void CSaaMiscAdaptation::Cancel()
       
   237 	{
       
   238 	CancelRequest();
       
   239 	}
       
   240 
       
   241 /*
       
   242  * Constructs a new state adaptation object and associates it with aAdapter
       
   243  * 
       
   244  * @internalComponent
       
   245  */
       
   246 CSaaMiscAdaptation::CSaaMiscAdaptation(CStartupAdaptationAdapter* aAdapter)
       
   247 : CAdaptationBase(aAdapter)
       
   248 	{
       
   249 
       
   250 	}
       
   251 
       
   252 /**
       
   253  * See CAdaptationBase for description of method.
       
   254  *  
       
   255  * @internalComponent
       
   256  */
       
   257 void CSaaMiscAdaptation::RequestComplete(const StartupAdaptation::TCommand __DEBUG_ONLY(aCommandId), TDesC8& aRetPckg)
       
   258 	{
       
   259 	DEBUGPRINT3A("SAA - Response received from adaptation with commandId: %d, expecting %d", aCommandId, CommandId());
       
   260 	__ASSERT_DEBUG(aCommandId == CommandId(), CLAYER_PANIC(ECLayerUnexpectedCommandResponse));
       
   261 	switch(CommandId())
       
   262 		{
       
   263 		case StartupAdaptation::ESecurityStateChange:
       
   264 			{
       
   265 			StartupAdaptation::TSecurityStateResponsePckg responsePckg;
       
   266 			responsePckg.Copy(aRetPckg);
       
   267 			// Only copy across the response if it's error free
       
   268 			if(responsePckg().iErrorCode == KErrNone)
       
   269 				{
       
   270 				TPckgBuf<TInt> replyPckg;
       
   271 				replyPckg() = responsePckg().iValue;
       
   272 				iReturnPckg->Copy(replyPckg);
       
   273 				// Finished with iReturnPckg
       
   274 				iReturnPckg = NULL;
       
   275 				}
       
   276 			CompleteRequestStatus(responsePckg().iErrorCode);
       
   277 			break;
       
   278 			}
       
   279 		case StartupAdaptation::EGetSIMLanguages:
       
   280 			{
       
   281 			// aRetPckg contains an RClass so we use it in place by creating a reference to it
       
   282 			StartupAdaptation::TLanguageListResponsePckg& languageListResponsePckg =
       
   283 				*(static_cast<StartupAdaptation::TLanguageListResponsePckg*>(&aRetPckg));
       
   284 			if(languageListResponsePckg().iErrorCode == KErrNone)
       
   285 				{
       
   286 				// Clear array
       
   287 				iLanguageList.Reset();
       
   288 				// make a copy of the array
       
   289 				for(TInt i = 0; i < languageListResponsePckg().iLanguages.Count(); ++i)
       
   290 		            {
       
   291 		            iLanguageList.Append( languageListResponsePckg().iLanguages[i] ); // ignore errors for compatibility reasons
       
   292 		            }
       
   293 				// Copy size into the return buffer
       
   294 				TPckgBuf<TInt> sizeBuf(iLanguageList.Count());
       
   295 				iReturnPckg->Copy(sizeBuf);
       
   296 				// done with return buffer
       
   297 				iReturnPckg = NULL;
       
   298 				}
       
   299 			CompleteRequestStatus(languageListResponsePckg().iErrorCode);
       
   300 			break;
       
   301 			}
       
   302 		case StartupAdaptation::EGetGlobalStartupMode:
       
   303 			{
       
   304 			StartupAdaptation::TGlobalStartupModeResponsePckg responsePckg;
       
   305 			responsePckg.Copy(aRetPckg);
       
   306 			// Only copy across the response if it's error free
       
   307 			if(responsePckg().iErrorCode == KErrNone)
       
   308 				{
       
   309 				TPckgBuf<TInt> replyPckg;
       
   310 				replyPckg() = responsePckg().iValue;
       
   311 				iReturnPckg->Copy(replyPckg);
       
   312 				// Finished with iReturnPckg
       
   313 				iReturnPckg = NULL;
       
   314 				}
       
   315 			CompleteRequestStatus(responsePckg().iErrorCode);
       
   316 			break;
       
   317 			}
       
   318 		case StartupAdaptation::EGetHiddenReset:
       
   319 			{
       
   320 			StartupAdaptation::TBooleanResponsePckg booleanResponsePckg;
       
   321 			booleanResponsePckg.Copy(aRetPckg);
       
   322 			if(KErrNone == booleanResponsePckg().iErrorCode)
       
   323 				{
       
   324 				// Copy the boolean value across to the descriptor passed in
       
   325 				TPckgBuf<TBool> boolPckg;
       
   326 				boolPckg() = booleanResponsePckg().iValue;
       
   327 				iReturnPckg->Copy(boolPckg);
       
   328 				// Null iReturnPckg as it has no further use
       
   329 				iReturnPckg = NULL;
       
   330 				}
       
   331 			CompleteRequestStatus(booleanResponsePckg().iErrorCode);
       
   332 			break;
       
   333 			}
       
   334 
       
   335 		default:
       
   336 			CLAYER_PANIC(ECLayerUnknownCommandResponse);
       
   337 			break;
       
   338 		}
       
   339 	}
       
   340 
       
   341 /**
       
   342  * See CAdaptationBase for description of method.
       
   343  *  
       
   344  * @internalComponent
       
   345  */
       
   346 TDesC8* CSaaMiscAdaptation::ParameterPckg()
       
   347 	{
       
   348 	TDesC8* ptr = NULL;
       
   349 	switch(CommandId())
       
   350 		{
       
   351 		case StartupAdaptation::ESecurityStateChange:
       
   352 			ptr = &iSecurityStateChangePckg;
       
   353 			break;
       
   354 		case StartupAdaptation::EGetSIMLanguages:
       
   355 			ptr = &iLanguageListPriorityPckg;
       
   356 			break;
       
   357 		case StartupAdaptation::EGetGlobalStartupMode:
       
   358 			ptr = &iNullBuf;
       
   359 			break;
       
   360 		case StartupAdaptation::EGetHiddenReset:
       
   361 			//No parameters to be passed
       
   362 			ptr = &iNullBuf;
       
   363 			break;
       
   364 		default:
       
   365 			ptr = NULL;
       
   366 			break;
       
   367 		}
       
   368 	return ptr;
       
   369 	}