textinput/peninputfingerhwrar/src/peninputfingerhwrarstatemanager.cpp
branchRCL_3
changeset 44 ecbabf52600f
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43:ebd48d2de13c 44:ecbabf52600f
       
     1 /*
       
     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  Implementation for arabic peninput finger hwr
       
    15 *
       
    16 */
       
    17 
       
    18 #include <peninputcmd.h>
       
    19 
       
    20 #include "peninputfingerhwrarlayout.h"
       
    21 #include "peninputfingerhwrarwnd.h"
       
    22 #include "peninputfingerhwrarstatemanager.h"
       
    23 #include "peninputfingerhwrardatastore.h"
       
    24 #include "peninputfingerhwrarevent.h"
       
    25 
       
    26 
       
    27 // ============================ MEMBER FUNCTIONS ===============================
       
    28 //                     CPeninputFingerHwrArStateHandlerBase class
       
    29 // -----------------------------------------------------------------------------
       
    30 // CPeninputFingerHwrArStateHandlerBase::CPeninputFingerHwrArStateHandlerBase()
       
    31 // .
       
    32 // -----------------------------------------------------------------------------
       
    33 //
       
    34 CPeninputFingerHwrArStateHandlerBase::CPeninputFingerHwrArStateHandlerBase( 
       
    35 CPeninputFingerHwrArStateManagerBase& aStateManager )
       
    36     :iStateManager( aStateManager ),
       
    37     iDataStore( aStateManager.HwrLayout().DataStore() )
       
    38     {
       
    39     
       
    40     }
       
    41 
       
    42 // -----------------------------------------------------------------------------
       
    43 // CPeninputFingerHwrArStateHandlerBase::~CPeninputFingerHwrArStateHandlerBase()
       
    44 // .
       
    45 // -----------------------------------------------------------------------------
       
    46 //
       
    47 CPeninputFingerHwrArStateHandlerBase::~CPeninputFingerHwrArStateHandlerBase()
       
    48     {
       
    49     
       
    50     }
       
    51 
       
    52 
       
    53 // ============================ MEMBER FUNCTIONS ===============================
       
    54 //                     CPeninputFingerHwrStateManager class
       
    55 // -----------------------------------------------------------------------------
       
    56 // CPeninputFingerHwrStateManager::CPeninputFingerHwrStateManager()
       
    57 // .
       
    58 // -----------------------------------------------------------------------------
       
    59 //
       
    60 CPeninputFingerHwrArStateManagerBase::CPeninputFingerHwrArStateManagerBase( 
       
    61     CPeninputFingerHwrArLayout* aLayout )
       
    62     :iLayout(aLayout)
       
    63     {
       
    64     
       
    65     }
       
    66 
       
    67 // -----------------------------------------------------------------------------
       
    68 // CPeninputFingerHwrStateManager::~CPeninputFingerHwrStateManager()
       
    69 // .
       
    70 // -----------------------------------------------------------------------------
       
    71 //
       
    72 CPeninputFingerHwrArStateManagerBase::~CPeninputFingerHwrArStateManagerBase()
       
    73     {
       
    74     }
       
    75 
       
    76 // -----------------------------------------------------------------------------
       
    77 // CPeninputFingerHwrStateManager::CosntructL()
       
    78 // .
       
    79 // -----------------------------------------------------------------------------
       
    80 //
       
    81 void CPeninputFingerHwrArStateManagerBase::BaseConstructL()
       
    82     {
       
    83 
       
    84     }
       
    85     
       
    86 // -----------------------------------------------------------------------------
       
    87 // CPeninputFingerHwrArStateManagerBase::SetState()
       
    88 // .
       
    89 // -----------------------------------------------------------------------------
       
    90 //    
       
    91 void CPeninputFingerHwrArStateManagerBase::SetState( TInt /*aState*/ )
       
    92     {
       
    93 
       
    94     }
       
    95 
       
    96 // -----------------------------------------------------------------------------
       
    97 // CPeninputFingerHwrArStateManagerBase::IsStandbyState()
       
    98 // .
       
    99 // -----------------------------------------------------------------------------
       
   100 //
       
   101 TBool CPeninputFingerHwrArStateManagerBase::IsStandbyState()
       
   102     {
       
   103     if(iCurrentState == 0)
       
   104         {
       
   105         return ETrue;
       
   106         }
       
   107 
       
   108     return EFalse;
       
   109     }
       
   110 
       
   111 
       
   112 // -----------------------------------------------------------------------------
       
   113 // CPeninputFingerHwrArStateManagerBase::HandleEventL()
       
   114 // .
       
   115 // -----------------------------------------------------------------------------
       
   116 //    
       
   117 void CPeninputFingerHwrArStateManagerBase::HandleEventL( const TInt /*aEventType*/,
       
   118     const TDesC& /*aEventData*/)
       
   119     {
       
   120 
       
   121     }
       
   122 
       
   123 CPeninputFingerHwrArLayout& CPeninputFingerHwrArStateManagerBase::HwrLayout()
       
   124     {
       
   125     return *iLayout;
       
   126     }
       
   127 
       
   128  
       
   129 // ============================ MEMBER FUNCTIONS ===============================
       
   130 //                     CPeninputFingerHwrStateManager class
       
   131 // -----------------------------------------------------------------------------
       
   132 // CPeninputFingerHwrArStateManager::NewL()
       
   133 // .
       
   134 // -----------------------------------------------------------------------------
       
   135 //
       
   136 CPeninputFingerHwrArStateManager* CPeninputFingerHwrArStateManager::NewL( 
       
   137     CPeninputFingerHwrArLayout* aLayout )
       
   138     {
       
   139     CPeninputFingerHwrArStateManager* self = new( ELeave ) 
       
   140         CPeninputFingerHwrArStateManager( aLayout );
       
   141     CleanupStack::PushL( self );
       
   142     self->ConstructL();
       
   143     CleanupStack::Pop();
       
   144     return self;
       
   145     }
       
   146 
       
   147 // -----------------------------------------------------------------------------
       
   148 // CPeninputFingerHwrArStateManager::CPeninputFingerHwrStateManager()
       
   149 // .
       
   150 // -----------------------------------------------------------------------------
       
   151 //
       
   152 CPeninputFingerHwrArStateManager::CPeninputFingerHwrArStateManager( 
       
   153     CPeninputFingerHwrArLayout* aLayout )
       
   154     :CPeninputFingerHwrArStateManagerBase( aLayout )
       
   155     {
       
   156     
       
   157     }
       
   158 
       
   159 // -----------------------------------------------------------------------------
       
   160 // CPeninputFingerHwrArStateManager::~CPeninputFingerHwrStateManager()
       
   161 // .
       
   162 // -----------------------------------------------------------------------------
       
   163 //
       
   164 CPeninputFingerHwrArStateManager::~CPeninputFingerHwrArStateManager()
       
   165     {
       
   166 	for( int i = 0; i < EPeninputFingerHwrArStateCount; ++i )
       
   167 		{
       
   168 		delete iStateHandlers[i];
       
   169 		}
       
   170     }
       
   171 
       
   172 // -----------------------------------------------------------------------------
       
   173 // CPeninputFingerHwrArStateManager::CosntructL()
       
   174 // .
       
   175 // -----------------------------------------------------------------------------
       
   176 //
       
   177 void CPeninputFingerHwrArStateManager::ConstructL()
       
   178     {
       
   179     BaseConstructL();
       
   180     
       
   181     TInt i = 0;
       
   182     
       
   183     iStates[i] = EPeninputFingerHwrArStateStandby;
       
   184     iStateHandlers[i] = CPeninputFingerHwrArStateStandby::NewL( *this );
       
   185 
       
   186 	iStates[++i] = EPeninputFingerHwrArStateWriting;
       
   187     iStateHandlers[i] = CPeninputFingerHwrArStateWriting::NewL( *this );
       
   188     
       
   189 	iStates[++i] = EPeninputFingerHwrArStateCandidateSelecting;
       
   190     iStateHandlers[i] = 
       
   191         CPeninputFingerHwrArStateCandidateSelecting::NewL( *this );
       
   192 	  
       
   193     iCurrentStateHandler = iStateHandlers[0];
       
   194     iCurrentState = EPeninputFingerHwrArStateStandby;
       
   195     }
       
   196     
       
   197 // -----------------------------------------------------------------------------
       
   198 // CPeninputFingerHwrArStateManager::SetState()
       
   199 // .
       
   200 // -----------------------------------------------------------------------------
       
   201 //    
       
   202 void CPeninputFingerHwrArStateManager::SetState( TInt aState )
       
   203     {
       
   204     if( iCurrentState == aState )        
       
   205         {
       
   206         return;    
       
   207         }
       
   208         
       
   209     CPeninputFingerHwrArStateHandlerBase* newStateHandler = Find( (TPeninputFingerHwrArState)aState );
       
   210     if( newStateHandler )
       
   211         {
       
   212         iCurrentState = (TPeninputFingerHwrArState)aState;
       
   213         iCurrentStateHandler->OnExit();
       
   214         iCurrentStateHandler = newStateHandler;
       
   215         iCurrentStateHandler->OnEntry();
       
   216         }
       
   217     }
       
   218 
       
   219 // -----------------------------------------------------------------------------
       
   220 // CPeninputFingerHwrArStateManager::Find()
       
   221 // .
       
   222 // -----------------------------------------------------------------------------
       
   223 //  
       
   224 CPeninputFingerHwrArStateHandlerBase* CPeninputFingerHwrArStateManager::Find( 
       
   225     TPeninputFingerHwrArState aState )
       
   226     {
       
   227     for( TInt i = 0; i < EPeninputFingerHwrArStateCount; i++ )
       
   228         {
       
   229         if( iStates[i] == aState )
       
   230             {
       
   231             return iStateHandlers[i];
       
   232             }
       
   233         }
       
   234     return NULL;
       
   235     }
       
   236 
       
   237 // -----------------------------------------------------------------------------
       
   238 // CPeninputFingerHwrArStateManager::HandleEventL()
       
   239 // .
       
   240 // -----------------------------------------------------------------------------
       
   241 //    
       
   242 void CPeninputFingerHwrArStateManager::HandleEventL( const TInt aEventType, 
       
   243     const TDesC& aEventData )
       
   244     {
       
   245     iCurrentStateHandler->HandleEventL( aEventType, aEventData );
       
   246     }
       
   247 
       
   248 
       
   249 // ============================ MEMBER FUNCTIONS ===============================
       
   250 //                     CPeninputFingerHwrStateHandlerStandby class
       
   251 // -----------------------------------------------------------------------------
       
   252 // CPeninputFingerHwrStateHandlerStandby::CPeninputFingerHwrStateHandlerStandby()
       
   253 // .
       
   254 // -----------------------------------------------------------------------------
       
   255 // 
       
   256 CPeninputFingerHwrArStateStandby::CPeninputFingerHwrArStateStandby( 
       
   257 	CPeninputFingerHwrArStateManager& aStateManager )
       
   258 	:CPeninputFingerHwrArStateHandlerBase( aStateManager )
       
   259     {
       
   260     
       
   261     }
       
   262 
       
   263 // -----------------------------------------------------------------------------
       
   264 // CPeninputFingerHwrStateHandlerStandby::NewL()
       
   265 // .
       
   266 // -----------------------------------------------------------------------------
       
   267 // 
       
   268 CPeninputFingerHwrArStateStandby* CPeninputFingerHwrArStateStandby::NewL( 
       
   269 	CPeninputFingerHwrArStateManager& aStateManager )
       
   270     {
       
   271     CPeninputFingerHwrArStateStandby* self = new( ELeave ) 
       
   272         CPeninputFingerHwrArStateStandby( aStateManager );
       
   273     
       
   274     return self;
       
   275                                                                                 
       
   276     }
       
   277     
       
   278 
       
   279 // -----------------------------------------------------------------------------
       
   280 // CPeninputFingerHwrStateHandlerStandby::HandleEventL()
       
   281 // .
       
   282 // -----------------------------------------------------------------------------
       
   283 //
       
   284 void CPeninputFingerHwrArStateStandby::HandleEventL( const TInt aEventType, 
       
   285     const TDesC& /*aEventData*/ )
       
   286     {
       
   287     switch( aEventType )
       
   288         {
       
   289         case EEventHwrStrokeStarted:
       
   290             {
       
   291             iStateManager.SetState( 
       
   292                 CPeninputFingerHwrArStateManager::EPeninputFingerHwrArStateWriting );
       
   293             }
       
   294             break;
       
   295         default:
       
   296             break;
       
   297         }
       
   298     }
       
   299 
       
   300 // -----------------------------------------------------------------------------
       
   301 // CPeninputFingerHwrStateHandlerStandby::OnEntry()
       
   302 // .
       
   303 // -----------------------------------------------------------------------------
       
   304 //
       
   305 void CPeninputFingerHwrArStateStandby::OnEntry()
       
   306     {
       
   307 //    iDataStore.TriggerStr()->DeleteAll();
       
   308     
       
   309     }
       
   310 
       
   311 // -----------------------------------------------------------------------------
       
   312 // CPeninputFingerHwrStateHandlerStandby::OnExit()
       
   313 // .
       
   314 // -----------------------------------------------------------------------------
       
   315 //
       
   316 void CPeninputFingerHwrArStateStandby::OnExit()
       
   317     {
       
   318 
       
   319     }
       
   320 
       
   321 // ============================ MEMBER FUNCTIONS ===============================
       
   322 //                     CPeninputFingerHwrStateHandlerWriting class
       
   323 // -----------------------------------------------------------------------------
       
   324 // CPeninputFingerHwrArStateWriting::CPeninputFingerHwrStateHandlerWriting()
       
   325 // .
       
   326 // -----------------------------------------------------------------------------
       
   327 // 
       
   328 CPeninputFingerHwrArStateWriting::CPeninputFingerHwrArStateWriting( 
       
   329 	CPeninputFingerHwrArStateManager& aStateManager )
       
   330 	:CPeninputFingerHwrArStateHandlerBase( aStateManager )
       
   331     {
       
   332     
       
   333     }
       
   334 
       
   335 // -----------------------------------------------------------------------------
       
   336 // CPeninputFingerHwrArStateWriting::NewL()
       
   337 // .
       
   338 // -----------------------------------------------------------------------------
       
   339 // 
       
   340 CPeninputFingerHwrArStateWriting* CPeninputFingerHwrArStateWriting::NewL( 
       
   341 	CPeninputFingerHwrArStateManager& aStateManager )
       
   342     {
       
   343     CPeninputFingerHwrArStateWriting* self = new( ELeave ) 
       
   344         CPeninputFingerHwrArStateWriting( aStateManager );
       
   345     
       
   346     return self;
       
   347                                                                                 
       
   348     }
       
   349     
       
   350 
       
   351 // -----------------------------------------------------------------------------
       
   352 // CPeninputFingerHwrArStateWriting::HandleEventL()
       
   353 // .
       
   354 // -----------------------------------------------------------------------------
       
   355 //
       
   356 void CPeninputFingerHwrArStateWriting::HandleEventL( const TInt aEventType, 
       
   357     const TDesC& aEventData )
       
   358     {
       
   359     switch( aEventType )
       
   360         {
       
   361         case EEventHwrStrokeFinished:
       
   362             {
       
   363             OnEndStrokeL(aEventData);
       
   364             }
       
   365             break;
       
   366         case EEventHwrCharacterTimerOut:
       
   367             {
       
   368             OnEndWritingL( aEventData );
       
   369             }
       
   370             break;
       
   371         default:
       
   372             break;
       
   373         }
       
   374     }
       
   375 
       
   376 // -----------------------------------------------------------------------------
       
   377 // CPeninputFingerHwrArStateWriting::OnEndStrokeL()
       
   378 // .
       
   379 // -----------------------------------------------------------------------------
       
   380 //
       
   381 void CPeninputFingerHwrArStateWriting::OnEndStrokeL( const TDesC& aEventData )
       
   382 	{
       
   383 	const RArray<TPoint>* aTraceData = ( RArray<TPoint>* )aEventData.Ptr();
       
   384     iDataStore.DoRecognizeL( *aTraceData );
       
   385 	}
       
   386 
       
   387 
       
   388 // -----------------------------------------------------------------------------
       
   389 // CPeninputFingerHwrArStateWriting::OnEndWriting()
       
   390 // .
       
   391 // -----------------------------------------------------------------------------
       
   392 //
       
   393 void CPeninputFingerHwrArStateWriting::OnEndWritingL( const TDesC& /*aEventData*/ )
       
   394 	{
       
   395     // record the default cell highlight flag.
       
   396     iDataStore.SetHighlight(ETrue);
       
   397     // This is a workarround to clear the recognizer.
       
   398     RArray<TPoint> stroke_array;
       
   399     stroke_array.Reset(); 
       
   400     // Call recognize with a empty array of stroke is the condition
       
   401     // to clear the context>
       
   402     iDataStore.DoRecognizeL(stroke_array );      
       
   403     
       
   404     RPointerArray<HBufC> candidates = iDataStore.Candidate();
       
   405     if ( candidates.Count() > 0 )
       
   406         {
       
   407 		if(iStateManager.HwrLayout().IsAllowedToSubmitDefaultCandiate())
       
   408 		    {
       
   409 			iStateManager.HwrLayout().SubmitStringToFep( *candidates[0]);
       
   410 			}
       
   411         iStateManager.SetState( CPeninputFingerHwrArStateManager::
       
   412                 EPeninputFingerHwrArStateCandidateSelecting );  
       
   413         
       
   414         } 
       
   415 	}
       
   416 
       
   417 // -----------------------------------------------------------------------------
       
   418 // CPeninputFingerHwrArStateWriting::OnEntry()
       
   419 // .
       
   420 // -----------------------------------------------------------------------------
       
   421 //
       
   422 void CPeninputFingerHwrArStateWriting::OnEntry()
       
   423     {
       
   424      
       
   425     }
       
   426 
       
   427 // -----------------------------------------------------------------------------
       
   428 // CPeninputFingerHwrArStateWriting::OnExit()
       
   429 // .
       
   430 // -----------------------------------------------------------------------------
       
   431 //
       
   432 void CPeninputFingerHwrArStateWriting::OnExit()
       
   433     {
       
   434     
       
   435     }
       
   436 
       
   437 // ============================ MEMBER FUNCTIONS ===============================
       
   438 //                     CPeninputFingerHwrStateHandlerCandidateSelecting class
       
   439 // -----------------------------------------------------------------------------
       
   440 // CPeninputFingerHwrArStateCandidateSelecting::
       
   441 //                              CPeninputFingerHwrArStateCandidateSelecting()
       
   442 // .
       
   443 // -----------------------------------------------------------------------------
       
   444 // 
       
   445 CPeninputFingerHwrArStateCandidateSelecting::
       
   446     CPeninputFingerHwrArStateCandidateSelecting( 
       
   447 	CPeninputFingerHwrArStateManager& aStateManager )
       
   448 	:CPeninputFingerHwrArStateHandlerBase( aStateManager )
       
   449     {
       
   450     
       
   451     }
       
   452 
       
   453 // -----------------------------------------------------------------------------
       
   454 // CPeninputFingerHwrArStateCandidateSelecting::NewL()
       
   455 // .
       
   456 // -----------------------------------------------------------------------------
       
   457 // 
       
   458 CPeninputFingerHwrArStateCandidateSelecting* 
       
   459     CPeninputFingerHwrArStateCandidateSelecting::NewL( 
       
   460 	CPeninputFingerHwrArStateManager& aStateManager )
       
   461     {
       
   462     CPeninputFingerHwrArStateCandidateSelecting* self = new( ELeave ) 
       
   463         CPeninputFingerHwrArStateCandidateSelecting( aStateManager );
       
   464     
       
   465     return self;                                                                                
       
   466     }
       
   467 
       
   468 
       
   469 // -----------------------------------------------------------------------------
       
   470 // CPeninputFingerHwrArStateCandidateSelecting::HandleEventL()
       
   471 // .
       
   472 // -----------------------------------------------------------------------------
       
   473 //
       
   474 void CPeninputFingerHwrArStateCandidateSelecting::HandleEventL( const TInt aEventType, 
       
   475     const TDesC& aEventData )
       
   476     {
       
   477     switch( aEventType )
       
   478         {
       
   479         case EHwrEventCandidateSelected:
       
   480             {
       
   481             OnSelectedCandidatesL( aEventData );
       
   482             }
       
   483             break;
       
   484         case EHwrEventKeyBack:
       
   485             {
       
   486             OnClickBackSpaceL();
       
   487             }
       
   488             break;
       
   489         case EEventHwrStrokeStarted:
       
   490             {
       
   491             iStateManager.SetState( CPeninputFingerHwrArStateManager::
       
   492                 EPeninputFingerHwrArStateWriting );
       
   493             }
       
   494             break;                     
       
   495         default:
       
   496             break;
       
   497         }
       
   498     
       
   499     }
       
   500 
       
   501 // -----------------------------------------------------------------------------
       
   502 // CPeninputFingerHwrStateHandlerCandidateSelecting::OnSelectedCandidatesL()
       
   503 // .
       
   504 // -----------------------------------------------------------------------------
       
   505 //    
       
   506 void CPeninputFingerHwrArStateCandidateSelecting::OnSelectedCandidatesL( 
       
   507     const TDesC& aEventData )
       
   508     {
       
   509     //get the candidate index
       
   510     const TInt cellNo = aEventData[aEventData.Length()-1];
       
   511     if (!iDataStore.IsValidCandidate( cellNo ))
       
   512         {
       
   513         iStateManager.SetState( CPeninputFingerHwrArStateManager::
       
   514                         EPeninputFingerHwrArStateStandby );
       
   515         return;
       
   516         }    
       
   517     
       
   518     TPtrC ptr;
       
   519     ptr.Set( ( aEventData.Left( aEventData.Length() - 1 ) ) );
       
   520 	if(!iStateManager.HwrLayout().IsAllowedToSubmitDefaultCandiate())
       
   521 		{
       
   522 		iStateManager.HwrLayout().SubmitStringToFep( ptr);
       
   523 		}
       
   524 	else
       
   525         {
       
   526 		RPointerArray<HBufC> candidates = iDataStore.Candidate();
       
   527 		//the selected char is not same as default
       
   528 		//replace the default candidate
       
   529 		HBufC* defaultCandidate = candidates[0];
       
   530 		if( *defaultCandidate != ptr )
       
   531 			{
       
   532 			iStateManager.HwrLayout().Replace( *defaultCandidate, ptr, EFalse);         
       
   533 			}
       
   534 		}	
       
   535     iDataStore.SetArabicSymbolL();
       
   536     }
       
   537 
       
   538 
       
   539 // -----------------------------------------------------------------------------
       
   540 // CPeninputFingerHwrStateHandlerCandidateSelecting::OnClickBackSpaceL()
       
   541 // .
       
   542 // -----------------------------------------------------------------------------
       
   543 // 
       
   544 void CPeninputFingerHwrArStateCandidateSelecting::OnClickBackSpaceL()
       
   545     {
       
   546     iDataStore.SetHighlight(EFalse);                                                        
       
   547     iDataStore.SetArabicSymbolL();
       
   548     iStateManager.SetState( CPeninputFingerHwrArStateManager::
       
   549             EPeninputFingerHwrArStateStandby );
       
   550     }
       
   551     
       
   552     
       
   553         
       
   554 // -----------------------------------------------------------------------------
       
   555 // CPeninputFingerHwrStateHandlerCandidateSelecting::OnEntry()
       
   556 // .
       
   557 // -----------------------------------------------------------------------------
       
   558 //
       
   559 void CPeninputFingerHwrArStateCandidateSelecting::OnEntry()
       
   560     {
       
   561     }
       
   562 
       
   563 // -----------------------------------------------------------------------------
       
   564 // CPeninputFingerHwrStateHandlerCandidateSelecting::OnExit()
       
   565 // .
       
   566 // -----------------------------------------------------------------------------
       
   567 //
       
   568 void CPeninputFingerHwrArStateCandidateSelecting::OnExit()
       
   569     {
       
   570     
       
   571     }
       
   572 //End of file