textinput/AknInputLanguage/src/ptiInputLanguageInfo.cpp
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     1 /*
       
     2 * Copyright (c) 2002 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: 
       
    15 *
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 
       
    22 #include "AknInputLanguageInfo.h"
       
    23 #include "ptiInputLanguageInfo.h"
       
    24 
       
    25 // CONSTANTS
       
    26 const TInt KInputLanguageArrayGranularity = 10;
       
    27 
       
    28 // CLASS IMPLEMENTATION
       
    29 
       
    30 CT9InputLanguageInfo::CT9InputLanguageInfo()
       
    31 	{}
       
    32 
       
    33 
       
    34 CT9InputLanguageInfo* CT9InputLanguageInfo::NewL()
       
    35 	{
       
    36 	CT9InputLanguageInfo* self = new(ELeave)CT9InputLanguageInfo();
       
    37 	CleanupStack::PushL(self);
       
    38 	self->ConstructL();
       
    39 	CleanupStack::Pop();	//self
       
    40 	return self;
       
    41 	}
       
    42 
       
    43 void CT9InputLanguageInfo::ConstructL()
       
    44 	{
       
    45     // This implementation uses english dictionary by default
       
    46     iPtiEngineInterface = CPtiEngine::NewL(); 
       
    47     iPtiEngineInterface->ActivateLanguageL(ELangEnglish); 
       
    48 	}
       
    49 
       
    50 EXPORT_C CT9InputLanguageInfo::~CT9InputLanguageInfo()
       
    51 	{
       
    52 	if(iPtiEngineInterface)
       
    53 		{
       
    54 		TRAP_IGNORE( iPtiEngineInterface->CloseCurrentLanguageL());
       
    55 		}
       
    56 	delete iPtiEngineInterface;
       
    57 	}
       
    58 
       
    59 
       
    60 EXPORT_C void CT9InputLanguageInfo::AppendAvailableLanguagesL( CAknInputLanguageList* aList ) 
       
    61 	{
       
    62 	TAknInputLanguageCapabilities capabilityFilter;
       
    63 	capabilityFilter.SetAllCapabilities();
       
    64 	// Implemented by calling the more generic method with all filtering off:
       
    65 	AppendLanguagesL( aList, NULL, capabilityFilter );
       
    66 	}
       
    67 
       
    68 EXPORT_C void CT9InputLanguageInfo::AppendLanguagesL( 
       
    69 													 CAknInputLanguageList* aList, 
       
    70 													 CArrayFix<TInt>* aLanguageCodeList, 
       
    71 													 TAknInputLanguageCapabilities& aCapabilityFilter) 
       
    72 	{
       
    73     // Provide new arrays for the call 
       
    74 	CArrayFixFlat<TInt>* langCodes = new (ELeave) CArrayFixFlat<TInt>( KInputLanguageArrayGranularity );
       
    75 	CleanupStack::PushL( langCodes );
       
    76 
       
    77     iPtiEngineInterface->GetAvailableLanguagesL( langCodes );
       
    78     
       
    79     TInt count = langCodes->Count();
       
    80 
       
    81     // Loop over the codes, appending them into the existing array;
       
    82 	for ( TInt index = 0; index < count; ++index )
       
    83 		{
       
    84         TLanguage langCode = (TLanguage)langCodes->At(index);
       
    85 
       
    86 		// Filter by language code if array exists
       
    87 		if (  !( aLanguageCodeList && !IsInLanguageCodeList(aLanguageCodeList, langCode ) ) )
       
    88 			{     
       
    89             TBool chineseLanguage = (langCode == ELangTaiwanChinese || langCode == ELangHongKongChinese || langCode == ELangPrcChinese);
       
    90 
       
    91             // Temporary solution for Chinese variants.
       
    92             // All Chinese languages are shown in the input language list.
       
    93             // In western functionality we strip out secondary languages.
       
    94             if ( chineseLanguage || !(!aLanguageCodeList && 0) ) // missing secondary language functionality 
       
    95                 {
       
    96                 TAknInputLanguageCapabilities capabilities = LanguageCapabilitiesFromLanguage( langCode );
       
    97                 // Test is passed if the filter has no support at all (no filtering to be done)
       
    98                 // or there is a filter, but the language supports it
       
    99                 if ( !aCapabilityFilter.HasAnySupport() || (capabilities.FilteredCapabilities( aCapabilityFilter )).HasAnySupport() )
       
   100                     {
       
   101                     CAknInputLanguageItem* inputItem = CAknInputLanguageItem::NewL( langCode, LanguageName(langCode), capabilities );
       
   102                     CleanupStack::PushL( inputItem );	
       
   103                     aList->AppendL( inputItem ); // Takes full ownership
       
   104                     CleanupStack::Pop(); // inputItem
       
   105                     }
       
   106                 }
       
   107 			}
       
   108 		}
       
   109 
       
   110 	CleanupStack::PopAndDestroy(1); // langcodes 
       
   111 	}
       
   112 
       
   113 TBool CT9InputLanguageInfo::IsInLanguageCodeList( CArrayFix<TInt>* aLanguageList, TLanguage aLanguageCode )
       
   114 	{
       
   115 	TBool retVal = EFalse;
       
   116 
       
   117 	TInt index;
       
   118 	TInt count = aLanguageList->Count();
       
   119 	for (index = 0; index < count; ++index )
       
   120 		{
       
   121         TInt language = aLanguageList->At( index );
       
   122         language &= 0x03FF;
       
   123         if (language == ELangOther)
       
   124             {
       
   125             language = ELangEnglish;
       
   126             }
       
   127         if (language == aLanguageCode)
       
   128 			{
       
   129 			retVal = ETrue;
       
   130 			break;
       
   131 			}
       
   132 		}
       
   133 	return retVal;
       
   134 	}
       
   135 
       
   136 
       
   137 EXPORT_C TAknInputLanguageCapabilities CT9InputLanguageInfo::LanguageCapabilitiesFromLanguage( TLanguage aLanguageId )
       
   138     {
       
   139     // essentially this is to map the capabilities to the non-t9 defined ones:
       
   140     
       
   141     MPtiLanguage* lang = iPtiEngineInterface->GetLanguage(aLanguageId);
       
   142     
       
   143     TAknInputLanguageCapabilities returnCapabilities;
       
   144     
       
   145     if ( lang )
       
   146         {
       
   147         returnCapabilities.AssignCapability( TAknInputLanguageCapabilities::EMultitap, ETrue );
       
   148         
       
   149         if (!lang->HasInputMode(EPtiEngineMultitapping))
       
   150             {
       
   151             returnCapabilities.AssignCapability( TAknInputLanguageCapabilities::EMultitap, EFalse );
       
   152             }
       
   153         
       
   154         if (lang->HasInputMode(EPtiEnginePredictive))
       
   155             {
       
   156             returnCapabilities.AssignCapability( TAknInputLanguageCapabilities::EPredictive, ETrue );
       
   157             }
       
   158         }
       
   159     else
       
   160         {
       
   161         returnCapabilities.AssignCapability( TAknInputLanguageCapabilities::EMultitap, EFalse );
       
   162         }
       
   163     
       
   164     return returnCapabilities;
       
   165     }
       
   166 
       
   167 EXPORT_C TAknLanguageName CT9InputLanguageInfo::LanguageName( TLanguage aLanguageCode ) const
       
   168 	{
       
   169     MPtiLanguage* lang = iPtiEngineInterface->GetLanguage(aLanguageCode);
       
   170     return lang->LocalizedName();
       
   171 	}
       
   172 
       
   173 EXPORT_C TLanguage CT9InputLanguageInfo::UrlLanguage() const
       
   174 	{
       
   175 	// English returned for default implementation
       
   176 	return ELangEnglish;
       
   177 	}
       
   178 
       
   179 //
       
   180 // Class CAknInputLanguageInfoFactory
       
   181 //
       
   182 
       
   183 EXPORT_C CAknInputLanguageInfo* AknInputLanguageInfoFactory::CreateInputLanguageInfoL()
       
   184 	{
       
   185 	CAknInputLanguageInfo* info = CT9InputLanguageInfo::NewL();
       
   186 	return info;
       
   187 	}
       
   188 
       
   189 // End of File