predictivesearch/PcsAlgorithm/Algorithm2/src/CPcsKeyMap.cpp
branchRCL_3
changeset 18 d4f567ce2e7c
parent 7 b3431bff8c19
--- a/predictivesearch/PcsAlgorithm/Algorithm2/src/CPcsKeyMap.cpp	Thu Jul 15 18:22:55 2010 +0300
+++ b/predictivesearch/PcsAlgorithm/Algorithm2/src/CPcsKeyMap.cpp	Thu Aug 19 09:41:07 2010 +0300
@@ -23,9 +23,37 @@
 #include "FindUtilChineseECE.h"
 #include "CPcsDebug.h"
 #include "CPcsKeyMap.h"
+#include "CPsQueryItem.h"
+#include <PtiEngine.h>
+#include <PtiKeyMapData.h>
 #include <bldvariant.hrh>
 #include <AknFepInternalCRKeys.h>
 
+
+// Unnamed namespace for local definitions
+namespace {
+
+#ifdef _DEBUG
+    enum TPanicCode
+    {
+        EPanicPreCond_MultipleSingleCharMatching = 1,
+        EPanicPreCond_MultipleUIPriorityMatching = 2,
+        EPanicPreCond_MultipleEnglishPriorityMatching = 3,
+        EPanicPreCond_MultipleOthersPriorityMatching = 4,
+        EPanic_OverflowInPoolIndex = 5,
+        EPanic_InvalidKeyboardType = 6
+   };
+
+    void Panic(TInt aReason)
+    {
+        _LIT(KPanicText, "CPcsKeyMap");
+        User::Panic(KPanicText, aReason);
+    }
+#endif // DEBUG
+
+} // namespace
+
+
 // ============================== MEMBER FUNCTIONS ============================
 
 // ----------------------------------------------------------------------------
@@ -61,11 +89,14 @@
 void CPcsKeyMap::ConstructL(CPcsAlgorithm2* aAlgorithm)
     {
     iLanguageNotSupported.Append(ELangJapanese);
+    iLanguageNotSupported.Append(ELangKorean);
 
     iAlgorithm = aAlgorithm;
     iPtiEngine = CPtiEngine::NewL();
-	
+
+    SetupKeyboardTypesL();
     ConstructKeymapL();
+    SetSpaceAndZeroOnSameKey();
     }
 
 // ----------------------------------------------------------------------------
@@ -74,17 +105,18 @@
 // ----------------------------------------------------------------------------
 void CPcsKeyMap::ReconstructKeymapL()
     {
-    TLanguage lang = iAlgorithm->FindUtilECE()->CurrentInputLanguage();
-        if (lang == ELangPrcChinese || !IsLanguageSupportedL(lang))
-            lang = ELangEnglish;
-
-    TInt keyboardType = CurrentKeyBoardTypeL();
-    
     // Clear the keymap data array first when reconstruct the keymap.
     ResetKeyMap();
     
-    // Add new keymap to the keymap data array according the current writing language.
-    AddKeyMapforConcreteKeyboardL( keyboardType, lang );
+    // Always add English mappings first
+    AddKeyMapforConcreteKeyboardL( ELangEnglish );
+    
+    // Then append the mappings of the current input language
+    TLanguage lang = iAlgorithm->FindUtilECE()->CurrentInputLanguage();
+    if ( lang != ELangEnglish && IsLanguageSupportedL(lang) )
+        {
+        AddKeyMapforConcreteKeyboardL( lang );
+        }
     }
 
 // ----------------------------------------------------------------------------
@@ -93,106 +125,107 @@
 // ----------------------------------------------------------------------------
 void CPcsKeyMap::ConstructKeymapL()
     {
+    ConstructConcreteKeyMapL();
+    
+    // Always add English mappings first
+    AddKeyMapforConcreteKeyboardL( ELangEnglish );
+    
+    // Then append the mappings of the current input language
     TLanguage lang = iAlgorithm->FindUtilECE()->CurrentInputLanguage();
-    if (lang == ELangPrcChinese || !IsLanguageSupportedL(lang))
-        lang = ELangEnglish;
-
-    TInt keyboardType = CurrentKeyBoardTypeL();
-    
-    ConstructConcreteKeyMapL( keyboardType, lang );
+    if ( lang != ELangEnglish && IsLanguageSupportedL(lang) )
+        {
+        AddKeyMapforConcreteKeyboardL( lang );
+        }
     
     PRINT ( _L("----------------------------------------"));
-    
     }
 
 // ----------------------------------------------------------------------------
-// CPcsKeyMap::CurrentKeyBoardTypeL
-// 
+// CPcsKeyMap::SetupKeyboardTypesL
+// Initialise the keyboard type variables
 // ----------------------------------------------------------------------------
-TInt CPcsKeyMap::CurrentKeyBoardTypeL()
+void CPcsKeyMap::SetupKeyboardTypesL()
     {
-    TInt keyBoardType = EPtiKeyboardNone;
-    
-#ifdef RD_INTELLIGENT_TEXT_INPUT
-    
     TInt physicalKeyboard = 0;
     CRepository* aknFepRepository = CRepository::NewL( KCRUidAknFep );
-    // Get all the physical keyboards which are connected to the phone currently.
     aknFepRepository->Get( KAknFepPhysicalKeyboards, physicalKeyboard );
     delete aknFepRepository;
-    
-    
-    PRINT1 ( _L("CPcsKeyMap::CurrentKeyBoardTypeL: Physical keyboard support flag = 0x%02X"), physicalKeyboard );
+
+    PRINT1 ( _L("CPcsKeyMap::ConstructL: Physical keyboard support flag = 0x%02X"), physicalKeyboard );
 
     // Constants follow the definition of KAknFepPhysicalKeyboards
-    const TInt ptiKeyboard12Key = 0x01;         // Default
-    // const TInt ptiKeyboardQwerty4x12 = 0x02;    // Not used at the moment
-    const TInt ptiKeyboardQwerty4x10 = 0x04;
-    // const TInt ptiKeyboardQwerty3x11 = 0x08;    // Not used at the moment
-    const TInt ptiKeyboardHalfQwerty = 0x10;
-    // const TInt ptiKeyboardCustomQwerty = 0x20;  // Not used at the moment
+    const TInt KPtiKeyboard12Key = 0x01;
+    const TInt KPtiKeyboardQwerty4x12 = 0x02;
+    const TInt KPtiKeyboardQwerty4x10 = 0x04;
+    const TInt KPtiKeyboardQwerty3x11 = 0x08;
+    const TInt KPtiKeyboardHalfQwerty = 0x10;
+    const TInt KPtiKeyboardCustomQwerty = 0x20; 
 
-    // If there are more than 1 keyboards on HW, The priority from high to low for 
-    // selecting keyboard is EPtiKeyboard12Key, EPtiKeyboardHalfQwerty, EPtiKeyboardQwerty4x10  
-    if ( physicalKeyboard & ptiKeyboard12Key )
+    // Setup ITU-T mode first.
+    // Use always 12-key mode since all the supported devices should have at least
+    // virtual ITU-T available.
+    iItutKeyboardType = EPtiKeyboard12Key;
+    // TODO: ITU-T type could be set to "none" if device does not have either
+    // virtual keypad or hardware ITU-T available. This could be decided according
+    // some cenrep value, feature flag, device model, or platform version.
+    
+    // Then setup QWERTY mode. On real-life devices there should never
+    // be more than one QWERTY keyboard available but on emulator there can be several.
+    // Use the first one found in the following precedence
+    if ( physicalKeyboard & KPtiKeyboardQwerty3x11 )
         {
-        keyBoardType = EPtiKeyboard12Key;
+        iQwertyKeyboardType = EPtiKeyboardQwerty3x11;
         }
-    else if ( physicalKeyboard & ptiKeyboardHalfQwerty )
+    else if ( physicalKeyboard & KPtiKeyboardQwerty4x10 )
         {
-        keyBoardType = EPtiKeyboardHalfQwerty;
+        iQwertyKeyboardType = EPtiKeyboardQwerty4x10;
+        }
+    else if ( physicalKeyboard & KPtiKeyboardQwerty4x12 )
+        {
+        iQwertyKeyboardType = EPtiKeyboardQwerty4x12;
         }
-    else if ( physicalKeyboard & ptiKeyboardQwerty4x10 )
+    else if ( physicalKeyboard & KPtiKeyboardCustomQwerty )
         {
-        keyBoardType = EPtiKeyboardQwerty4x10;
+        iQwertyKeyboardType = EPtiKeyboardCustomQwerty;
+        }
+    else if ( physicalKeyboard & KPtiKeyboardHalfQwerty )
+        {
+        iQwertyKeyboardType = EPtiKeyboardHalfQwerty;
         }
     else
-#endif
         {
-        keyBoardType = EPtiKeyboard12Key;
+        iQwertyKeyboardType = EPtiKeyboardNone;
         }
-    return keyBoardType;
+    
+    // Decide, which keyboard is used for the "default" matching mode.
+    // If there is physical ITU-T available, or there's no physical QWERTY,
+    // then ITU-T is default.
+    iItutIsDefault = (physicalKeyboard & KPtiKeyboard12Key) || 
+                     (iQwertyKeyboardType == EPtiKeyboardNone);
+    
+    PRINT1 ( _L("CPcsKeyMap::ConstructL: ITU-T Keyboard chosen for Predictive Search = %d"), iItutKeyboardType );
+    PRINT1 ( _L("CPcsKeyMap::ConstructL: QWERTY Keyboard chosen for Predictive Search = %d"), iQwertyKeyboardType );
     }
 
+
 // ----------------------------------------------------------------------------
 // CPcsKeyMap::ConstructConcreteKeyMapL
 // 
 // ----------------------------------------------------------------------------
-void CPcsKeyMap::ConstructConcreteKeyMapL( TInt aKeyboardType, TLanguage aLanguage )
+void CPcsKeyMap::ConstructConcreteKeyMapL()
     {
-    switch ( aKeyboardType )
+    if ( iItutKeyboardType != EPtiKeyboardNone )
         {
-        case EPtiKeyboard12Key:
-            {
-            // Construct for Itut keyboard by default
-            PRINT ( _L("CPcsKeyMap::ConstructConcreteKeyMapL: Construct keymap for ContructForItutKeyboardL"));
-            
-            ContructForItutKeyboardL( aLanguage );
-            break;
-            }
-        case EPtiKeyboardHalfQwerty:
-            {
-            // Construct for Half Qwerty keyboard
-            PRINT ( _L("CPcsKeyMap::ConstructConcreteKeyMapL: Construct keymap for ContructForHalfQwertyKeyboardL"));
-            
-            ContructForHalfQwertyKeyboardL( aLanguage );
-            break;
-            }
-        case EPtiKeyboardQwerty4x10:
-            {
-            // Construct for 4x10 Qwerty keyboard
-            PRINT ( _L("CPcsKeyMap::ConstructConcreteKeyMapL: Construct keymap for ContructFor4x10QwertyKeyboardL"));
-            
-            ContructFor4x10QwertyKeyboardL( aLanguage );
-            break;
-            }
-        default:
-            {
-            // Construct for Itut keyboard
-            PRINT ( _L("CPcsKeyMap::ConstructConcreteKeyMapL: Construct keymap for ContructForItutKeyboardL"));
-            
-            ContructForItutKeyboardL( aLanguage );
-            }
+        // Construct for Itut keyboard by default
+        PRINT ( _L("CPcsKeyMap::ConstructConcreteKeyMapL: Construct keymap for ITU-T"));
+        ConstructForItutKeyboardL();
+        }
+    if ( iQwertyKeyboardType != EPtiKeyboardNone )
+        {
+        // Construct for any QWERTY keyboard
+        PRINT1 ( _L("CPcsKeyMap::ConstructConcreteKeyMapL: Construct keymap for QWERTY keyboard type %d"), 
+                 iQwertyKeyboardType );
+        ConstructForQwertyKeyboardL( iQwertyKeyboardType );
         }
     }
 
@@ -200,49 +233,16 @@
 // CPcsKeyMap::AddKeyMapforConcreteKeyboardL
 // 
 // ----------------------------------------------------------------------------
-void CPcsKeyMap::AddKeyMapforConcreteKeyboardL( TInt aKeyboardType, TLanguage aLanguage )
+void CPcsKeyMap::AddKeyMapforConcreteKeyboardL( TLanguage aLanguage )
     {
-    // If it's TW or HK variant, the key map for English also needs add to current key map.
-    TBool needAddEnglishKeyMap = ( aLanguage == ELangTaiwanChinese || aLanguage == ELangHongKongChinese );
-    
-    // Add the keymap for current writing language.
-    switch ( aKeyboardType )
+    if ( iItutKeyboardType != EPtiKeyboardNone )
         {
-        case EPtiKeyboard12Key:
-            {
-            AddKeyMapforItutL( aLanguage );
-            if ( needAddEnglishKeyMap )
-                {
-                AddKeyMapforItutL( ELangEnglish );
-                }
-            break;
-            }
-        case EPtiKeyboardHalfQwerty:
-            {
-            AddKeyMapforHalfQwertyKeyboardL( aLanguage );
-            if ( needAddEnglishKeyMap )
-                {
-                AddKeyMapforHalfQwertyKeyboardL( ELangEnglish );
-                }
-            break;
-            }
-        case EPtiKeyboardQwerty4x10:
-            {
-            AddKeyMapfor4x10QwertyKeyboardL( aLanguage );
-            if ( needAddEnglishKeyMap )
-                {
-                AddKeyMapfor4x10QwertyKeyboardL( ELangEnglish );
-                }
-            break;
-            }
-        default:
-            {
-            AddKeyMapforItutL( aLanguage );
-            if ( needAddEnglishKeyMap )
-                {
-                AddKeyMapforItutL( ELangEnglish );
-                }
-            }
+        AddKeyMapforItutL( aLanguage );
+        }
+    
+    if ( iQwertyKeyboardType != EPtiKeyboardNone )
+        {
+        AddKeyMapForQwertyKeyboardL( aLanguage, iQwertyKeyboardType );
         }
     }
 
@@ -252,12 +252,18 @@
 // ----------------------------------------------------------------------------
 void CPcsKeyMap::ResetKeyMap()
     {
-    for (TInt i = 0; i < iAllKeyMappingsPtrArr.Count(); i++)
+    const TInt ItutKeyMappingsCount = iItutKeyMappings.Count();
+    const TInt qwertyKeyMappingsCount = iQwertyKeyMappings.Count();
+    for (TInt i = 0; i < ItutKeyMappingsCount; i++)
         {
-        iAllKeyMappingsPtrArr[i]->iKeyMappingArray.Close();
+        iItutKeyMappings[i]->iKeyMappingArray.Reset();
         }
+    for (TInt i = 0; i < qwertyKeyMappingsCount; i++)
+        {
+        iQwertyKeyMappings[i]->iKeyMappingArray.Reset();
+        }
+    }
 
-    }
 // ----------------------------------------------------------------------------
 // CPcsKeyMap::~CPcsKeyMap
 // Destructor
@@ -268,137 +274,162 @@
 
     // Cleanup local arrays
     iLanguageNotSupported.Reset();
-    iAllKeyMappingsPtrArr.ResetAndDestroy();
-    iKeysForPoolFormation.Close();
+    iItutKeyMappings.ResetAndDestroy();
+    iItutKeys.Close();
+    iQwertyKeyMappings.ResetAndDestroy();
+    iQwertyKeys.Close();
     delete iPtiEngine;
     }
 
 // ----------------------------------------------------------------------------
-// CPcsKeyMap::GetNumericKeyStringL
-// 
+// CPcsKeyMap::GetMixedKeyStringForQueryL
+// aDestStr will have the length as the number of items in aSrcQuery.
 // ----------------------------------------------------------------------------
-void CPcsKeyMap::GetNumericKeyString(const TDesC& aSrcStr, TDes& aDestStr)
-    {
-    for (int i = 0; i < aSrcStr.Length(); i++)
+void CPcsKeyMap::GetMixedKeyStringForQueryL(
+        CPsQuery& aSrcQuery, TDes& aDestStr) const
+{
+    PRINT ( _L("Enter CPcsKeyMap::GetMixedKeyStringForQueryL") ); 
+
+    GetMixedKeyStringForDataL( aSrcQuery, aSrcQuery.QueryAsStringLC(), aDestStr );
+    CleanupStack::PopAndDestroy(); //result of QueryAsStringLC
+
+    PRINT ( _L("End CPcsKeyMap::GetMixedKeyStringForQueryL") );
+}
+
+// ----------------------------------------------------------------------------
+// CPcsKeyMap::GetMixedKeyStringForDataL
+// aDestStr will have the same length as aSrcData. aSrcQuery can be shorter.
+// ----------------------------------------------------------------------------
+void CPcsKeyMap::GetMixedKeyStringForDataL(
+        CPsQuery& aSrcQuery, const TDesC& aSrcData, TDes& aDestStr) const
+{
+    PRINT ( _L("Enter CPcsKeyMap::GetMixedKeyStringForDataL") );
+
+    const TInt srcDataLength = aSrcData.Length(); 
+    for ( TInt i = 0; i < srcDataLength; ++i )
         {
-        TInt index = KeyForCharacter(aSrcStr[i]);
-
-        // If a character is not mapped to numeric key append the character
-        if (index == -1)
+        TChar character( aSrcData[i] );
+        character.LowerCase();
+        if ( i < aSrcQuery.Count() )
             {
-            aDestStr.Append(aSrcStr[i]);
+            CPsQueryItem& currentItem = aSrcQuery.GetItemAtL(i);
+            TKeyboardModes curMode = ResolveKeyboardMode( currentItem.Mode() );
+            TPtiKey key = KeyForCharacter( aSrcData[i], curMode );
+            // If a character is not mapped to any key or it's entered in non-predictive mode,
+            // then append the character as exact.
+            if ( EPtiKeyNone == key )
+                {
+                aDestStr.Append( character );
+                }
+            else
+                {
+                aDestStr.Append( DefaultCharForKey(key, curMode) );
+                }
             }
         else
             {
-            aDestStr.Append(index);
+            // characters over query length are taken as exact
+            aDestStr.Append( character );
             }
         }
-    }
+
+    PRINT1 ( _L("CPcsKeyMap::GetMixedKeyStringForDataL: Return string: \"%S\""),
+             &aDestStr );
+
+    PRINT ( _L("End CPcsKeyMap::GetMixedKeyStringForDataL") );
+}
 
 // ----------------------------------------------------------------------------
 // CPcsKeyMap::KeyForCharacter
 // 
 // ----------------------------------------------------------------------------
-TInt CPcsKeyMap::KeyForCharacter(const TChar& aChar)
+TPtiKey CPcsKeyMap::KeyForCharacter(TText aChar, TKeyboardModes aKbMode) const
     {
+    const RPointerArray<TKeyMappingData>* keyMappings = KeyMappings( aKbMode );
+    
+    // Don't return any key in the exact mode
+    if ( !keyMappings )
+        {
+        return EPtiKeyNone;
+        }
+    
     TInt index = KErrNotFound;
 
-    TChar lChar = User::LowerCase(aChar);
+    TText lChar = User::LowerCase(aChar);
 
-    TInt count = iAllKeyMappingsPtrArr.Count() - 1;
+    const TInt count = keyMappings->Count() - 1;
 
     for (TInt i = 0; i < count; i++)
         {
-        index = iAllKeyMappingsPtrArr[i]->iKeyMappingArray.Find(lChar);
+        index = (*keyMappings)[i]->iKeyMappingArray.Find(lChar);
         if (index != KErrNotFound)
             {
-            return (TInt) iAllKeyMappingsPtrArr[i]->key;
+            return (*keyMappings)[i]->iKey;
             }
         }
 
-    return index;
+    return EPtiKeyNone;
     }
+
 // ----------------------------------------------------------------------------
-// CPcsKeyMap::ContructForHalfQwertyKeyboardL
+// CPcsKeyMap::AddKeyMapForQwertyKeyboardL
 // 
 // ----------------------------------------------------------------------------
-void CPcsKeyMap::ContructForHalfQwertyKeyboardL(TLanguage aLanguage)
+void CPcsKeyMap::AddKeyMapForQwertyKeyboardL(TLanguage aLanguage, TPtiKeyboardType aKbType)
     {
-#ifdef RD_INTELLIGENT_TEXT_INPUT    
-
-    iKeysForPoolFormation.Append(EPtiKeyQwertyQ);
-    iKeysForPoolFormation.Append(EPtiKeyQwertyE);
-    iKeysForPoolFormation.Append(EPtiKeyQwertyT);
-    iKeysForPoolFormation.Append(EPtiKeyQwertyU);
-    iKeysForPoolFormation.Append(EPtiKeyQwertyO);
-    iKeysForPoolFormation.Append(EPtiKeyQwertyA);
-    iKeysForPoolFormation.Append(EPtiKeyQwertyD);
-    iKeysForPoolFormation.Append(EPtiKeyQwertyG);
-    iKeysForPoolFormation.Append(EPtiKeyQwertyJ);
-    iKeysForPoolFormation.Append(EPtiKeyQwertyL);
-    iKeysForPoolFormation.Append(EPtiKeyQwertyZ);
-    iKeysForPoolFormation.Append(EPtiKeyQwertyC);
-    iKeysForPoolFormation.Append(EPtiKeyQwertyB);
-    iKeysForPoolFormation.Append(EPtiKeyQwertyM);
-    iKeysForPoolFormation.Append(EPtiKeyQwerty0);
-    // one additional pool for special characters not mapped too any keys. 
-    // This should always be the last one in the arrary
-    iKeysForPoolFormation.Append(EPtiKeyNone);
+#ifdef RD_INTELLIGENT_TEXT_INPUT
+    iPtiEngine->ActivateLanguageL(aLanguage);
+    iPtiEngine->SetKeyboardType(aKbType);
 
-    // Now add the keymap arrays to hold the keymap data
-    for (TInt i = 0; i < iKeysForPoolFormation.Count(); i++)
-        {
-        TKeyMappingData *keyData = new (ELeave) TKeyMappingData;
-        keyData->key = iKeysForPoolFormation[i];
-        iAllKeyMappingsPtrArr.Append(keyData);
-        }
-    //  Add the keymap for current language
-    AddKeyMapforHalfQwertyKeyboardL(aLanguage);
-
-    // If it's TW or HK variant, add the keymap for English language
-    if (aLanguage == ELangTaiwanChinese || aLanguage == ELangHongKongChinese)
-        {
-        AddKeyMapforHalfQwertyKeyboardL(ELangEnglish);
-        }
-
-    PRINT ( _L("----------------------------------------"));
-#endif // RD_INTELLIGENT_TEXT_INPUT
-    }
-// ----------------------------------------------------------------------------
-// CPcsKeyMap::AddKeyMapforHalfQwertyKeyboardL
-// 
-// ----------------------------------------------------------------------------
-void CPcsKeyMap::AddKeyMapforHalfQwertyKeyboardL(TLanguage aLanguage)
-    {
-#ifdef RD_INTELLIGENT_TEXT_INPUT     	
     // Make a language object based on current language
-    CPtiCoreLanguage* iCoreLanguage = static_cast<CPtiCoreLanguage*>(iPtiEngine->GetLanguage(  aLanguage));
+    CPtiCoreLanguage* coreLanguage = static_cast<CPtiCoreLanguage*>(iPtiEngine->GetLanguage( aLanguage ));
 
     //Perfrom the key mappings only if the corelanguage is available
-    if (iCoreLanguage)
+    if (coreLanguage)
         {
         // Get the keyboard mappings for the language
-        CPtiHalfQwertyKeyMappings* ptiKeyMappings = static_cast<CPtiHalfQwertyKeyMappings*> 
-                (iCoreLanguage->GetHalfQwertyKeymappings());
+        CPtiKeyMapData* ptiKeyMapData = coreLanguage->RawKeyMapData();
 
-        iPtiEngine->ActivateLanguageL(aLanguage, EPtiEngineHalfQwerty);
-        iPtiEngine->SetKeyboardType(EPtiKeyboardHalfQwerty);
-
-        for (TInt i = 0; i < iAllKeyMappingsPtrArr.Count() - 1; i++)
+        const TInt qwertyKeyMappingsCount = iQwertyKeyMappings.Count() - 1;
+        for (TInt i = 0; i < qwertyKeyMappingsCount; i++)
             {
-            AddDataForHalfQwertyKeyboardL( ptiKeyMappings, iKeysForPoolFormation[i], *(iAllKeyMappingsPtrArr[i]));
+            AddDataForQwertyKeyboardL( ptiKeyMapData, aKbType, 
+                    iQwertyKeys[i], *(iQwertyKeyMappings[i]) );
             }
         }
 #endif // RD_INTELLIGENT_TEXT_INPUT        
     }
 
 // ----------------------------------------------------------------------------
-// CPcsKeyMap::AddDataForHalfQwertyKeyboardL
+// CPcsKeyMap::ConstructForQwertyKeyboardL
+// Destructor
+// ----------------------------------------------------------------------------
+void CPcsKeyMap::ConstructForQwertyKeyboardL(TPtiKeyboardType aKbType)
+    {
+#ifdef RD_INTELLIGENT_TEXT_INPUT
+    CreateKeyListFromKeyBindingTable( iQwertyKeys, aKbType );
+
+    // Now add the keymap arrays to hold the keymap data
+    const TInt qwertyKeysCount = iQwertyKeys.Count();
+    for (TInt i = 0; i < qwertyKeysCount; i++)
+        {
+        TKeyMappingData* keyData = new (ELeave) TKeyMappingData;
+        keyData->iKey = iQwertyKeys[i];
+        iQwertyKeyMappings.Append(keyData);
+        }
+
+    PRINT ( _L("----------------------------------------"));
+#endif //RD_INTELLIGENT_TEXT_INPUT
+    }
+
+// ----------------------------------------------------------------------------
+// CPcsKeyMap::AddDataForQwertyKeyboardL
 // 
 // ----------------------------------------------------------------------------
-void CPcsKeyMap::AddDataForHalfQwertyKeyboardL( CPtiHalfQwertyKeyMappings* aPtiKeyMappings, 
-                                               TPtiKey aKey,  
-                                               TKeyMappingData& aKeyDataList)
+void CPcsKeyMap::AddDataForQwertyKeyboardL(CPtiKeyMapData* aPtiKeyMapData,
+                                           TPtiKeyboardType aKbType,
+                                           TPtiKey aKey,
+                                           TKeyMappingData& aKeyDataList)
     {
 #ifdef RD_INTELLIGENT_TEXT_INPUT     	
     TPtiTextCase caseArray[] =
@@ -411,171 +442,15 @@
         EPtiCaseChrUpper
         };
     
-    TBuf<50> iResult;
-    for (int i = 0; i < sizeof(caseArray) / sizeof(TPtiTextCase); i++)
+    for (TInt i = 0; i < sizeof(caseArray) / sizeof(TPtiTextCase); i++)
         {
-        iResult.Zero();
-        aPtiKeyMappings->GetDataForKey(aKey, iResult, caseArray[i]);
-
-        for (int j = 0; j < iResult.Length(); j++)
-            aKeyDataList.iKeyMappingArray.Append(iResult[j]);
-
-        PRINT2 ( _L("CPcsKeyMap: Mapping for Key %c = %S"), aKey,&iResult)
-        }
-#endif // RD_INTELLIGENT_TEXT_INPUT        
-    }
-
-// ----------------------------------------------------------------------------
-// CPcsKeyMap::ContructFor4x10QwertyKeyboardL
-// Destructor
-// ----------------------------------------------------------------------------
-void CPcsKeyMap::ContructFor4x10QwertyKeyboardL(TLanguage aLanguage)
-    {
-#ifdef RD_INTELLIGENT_TEXT_INPUT     
-// The special 4x10 Qwerty keyboard for Sonja.
-    iKeysForPoolFormation.Append( EPtiKeyQwertyA );
-    iKeysForPoolFormation.Append( EPtiKeyQwerty8 );
-    iKeysForPoolFormation.Append( EPtiKeyQwertyC );
-    iKeysForPoolFormation.Append( EPtiKeyQwertyD );
-    iKeysForPoolFormation.Append( EPtiKeyQwertyE );
-    iKeysForPoolFormation.Append( EPtiKeyQwerty4 );
-    iKeysForPoolFormation.Append( EPtiKeyQwerty5 );
-    iKeysForPoolFormation.Append( EPtiKeyQwerty6 );
-    iKeysForPoolFormation.Append( EPtiKeyQwertyI );
-    iKeysForPoolFormation.Append( EPtiKeyQwertyHash ); // Could have been EPtiKeyQwertyJ, EPtiKeyHash
-    iKeysForPoolFormation.Append( EPtiKeyQwertyK );
-    iKeysForPoolFormation.Append( EPtiKeyQwertyL );
-    iKeysForPoolFormation.Append( EPtiKeyQwerty0 );
-    iKeysForPoolFormation.Append( EPtiKeyQwerty9 );
-    iKeysForPoolFormation.Append( EPtiKeyQwertyO );
-    iKeysForPoolFormation.Append( EPtiKeyQwertyP );
-    iKeysForPoolFormation.Append( EPtiKeyQwertyQ );
-    iKeysForPoolFormation.Append( EPtiKeyQwerty1 );
-    iKeysForPoolFormation.Append( EPtiKeyQwertyS );
-    iKeysForPoolFormation.Append( EPtiKeyQwerty2 );
-    iKeysForPoolFormation.Append( EPtiKeyStar );    // Could have been EPtiKeyQwertyU
-    iKeysForPoolFormation.Append( EPtiKeyQwertyV );    // Could have been EPtiKeyQwerty7
-    iKeysForPoolFormation.Append( EPtiKeyQwertyW );
-    iKeysForPoolFormation.Append( EPtiKeyQwertyX );
-    iKeysForPoolFormation.Append( EPtiKeyQwerty3 );
-    iKeysForPoolFormation.Append( EPtiKeyQwertyZ );
-    
-    // one additional pool for special characters not mapped too any keys. 
-    // This should always be the last one in the arrary
-    iKeysForPoolFormation.Append(EPtiKeyNone);
-
-    // Now add the keymap arrays to hold the keymap data
-    for (TInt i = 0; i < iKeysForPoolFormation.Count(); i++)
-        {
-        TKeyMappingData *keyData = new (ELeave) TKeyMappingData;
-        keyData->key = iKeysForPoolFormation[i];
-        iAllKeyMappingsPtrArr.Append(keyData);
-        }
-
-    //  Add the keymap for current language
-    AddKeyMapfor4x10QwertyKeyboardL(aLanguage);
-
-    // If it's TW or HK variant, add the keymap for English language
-    if (aLanguage == ELangTaiwanChinese || aLanguage == ELangHongKongChinese)
-        {
-        AddKeyMapfor4x10QwertyKeyboardL(ELangEnglish);
-        }
-
-    PRINT ( _L("----------------------------------------"));
-#endif //RD_INTELLIGENT_TEXT_INPUT
-    }
+        TPtrC result = aPtiKeyMapData->DataForKey(aKbType, aKey, caseArray[i]);
 
-// ----------------------------------------------------------------------------
-// CPcsKeyMap::AddKeyMapfor4x10QwertyKeyboardL
-// 
-// ----------------------------------------------------------------------------
-void CPcsKeyMap::AddKeyMapfor4x10QwertyKeyboardL(TLanguage aLanguage)
-    {
-#ifdef RD_INTELLIGENT_TEXT_INPUT     	
-    // Make a language object based on current language
-    CPtiCoreLanguage* iCoreLanguage = static_cast<CPtiCoreLanguage*>(iPtiEngine->GetLanguage(aLanguage));
-
-    //Perfrom the key mappings only if the corelanguage is available
-    if (iCoreLanguage)
-        {
-        // Get the keyboard mappings for the language
-        CPtiQwertyKeyMappings* iPtiKeyMappings = static_cast<CPtiQwertyKeyMappings *> 
-                (iCoreLanguage->GetQwertyKeymappings());
-        iPtiEngine->SetKeyboardType(EPtiKeyboardQwerty4x10);
-
-        for (TInt i = 0; i < iAllKeyMappingsPtrArr.Count() - 1; i++)
-            {
-            AddDataFor4x10QwertyKeyboardL(iPtiKeyMappings, iKeysForPoolFormation[i], *(iAllKeyMappingsPtrArr[i]));
-            }
-
-#ifdef HACK_FOR_E72_J_KEY
-        AddDataFor4x10QwertyKeyboardE72HackL();
-#endif // HACK_FOR_E72_J_KEY
-        }
-#endif //RD_INTELLIGENT_TEXT_INPUT        
-
-    }
-
-#ifdef HACK_FOR_E72_J_KEY
-// ----------------------------------------------------------------------------
-// CPcsKeyMap::AddDataFor4x10QwertyKeyboardE72HackL
-//
-// Key code for J/# key in Sonja is EPtiKeyQwertyHash (127).
-// No returned character code ('J', 'j', '#') has 127 as ASCII value.
-// In this case we must add key to the list of characters for the pool.
-// ----------------------------------------------------------------------------
-void CPcsKeyMap::AddDataFor4x10QwertyKeyboardE72HackL()
-    {
-#ifdef RD_INTELLIGENT_TEXT_INPUT    
-    PRINT ( _L("Enter CPcsKeyMap::AddDataFor4x10QwertyKeyboardE72HackL") );
+        const TInt resultLength = result.Length(); 
+        for (TInt j = 0; j < resultLength; j++)
+            aKeyDataList.iKeyMappingArray.Append(result[j]);
 
-    TPtiKey keyValue = (TPtiKey) EPtiKeyQwertyHash;
-    TInt keyIndex = iKeysForPoolFormation.Find(keyValue);    
-
-    PRINT3 ( _L("CPcsKeyMap: ===== At index %d appending key to list: '%c' (#%d) -Hack-for-E72-"),
-             keyIndex, (TInt) keyValue, (TInt) keyValue);
-
-    if ( KErrNotFound != keyIndex )
-        {
-        iAllKeyMappingsPtrArr[keyIndex]->iKeyMappingArray.Append(keyValue);
-        }
-
-    PRINT ( _L("CPcsKeyMap: ===================================================") );  
-
-    PRINT ( _L("End CPcsKeyMap::AddDataFor4x10QwertyKeyboardE72HackL") );
-#endif // RD_INTELLIGENT_TEXT_INPUT    
-    }
-#endif // HACK_FOR_E72_J_KEY
-
-// ----------------------------------------------------------------------------
-// CPcsKeyMap::AddDataFor4x10QwertyKeyboardL
-// 
-// ----------------------------------------------------------------------------
-void CPcsKeyMap::AddDataFor4x10QwertyKeyboardL(CPtiQwertyKeyMappings* iPtiKeyMappings, 
-                                               TPtiKey aKey,  
-                                               TKeyMappingData& aKeyDataList)
-    {
-#ifdef RD_INTELLIGENT_TEXT_INPUT     	
-    TPtiTextCase caseArray[] =
-            {
-            EPtiCaseUpper,
-            EPtiCaseLower,
-            EPtiCaseFnLower,
-            EPtiCaseFnUpper,
-            EPtiCaseChrLower,
-            EPtiCaseChrUpper
-            };
-        
-    TBuf<50> iResult;
-    for (int i = 0; i < sizeof(caseArray) / sizeof(TPtiTextCase); i++)
-        {
-        iResult.Zero();
-        iPtiKeyMappings->GetDataForKey(aKey, iResult, caseArray[i]);
-
-        for (int j = 0; j < iResult.Length(); j++)
-            aKeyDataList.iKeyMappingArray.Append(iResult[j]);
-
-        PRINT2 ( _L("CPcsKeyMap: Mapping for Key %c = %S"), aKey, &iResult)
+        PRINT2 ( _L("CPcsKeyMap: Mapping for Key %c = %S"), aKey, &result)
         }
 #endif //RD_INTELLIGENT_TEXT_INPUT        
     }
@@ -584,42 +459,33 @@
 // CPcsKeyMap::ContructForItutKeyboardL
 // 
 // ----------------------------------------------------------------------------
-void CPcsKeyMap::ContructForItutKeyboardL(TLanguage aLanguage)
+void CPcsKeyMap::ConstructForItutKeyboardL()
     {
     // Add the keys for Pool formation
-    iKeysForPoolFormation.Append(EPtiKey0);
-    iKeysForPoolFormation.Append(EPtiKey1);
-    iKeysForPoolFormation.Append(EPtiKey2);
-    iKeysForPoolFormation.Append(EPtiKey3);
-    iKeysForPoolFormation.Append(EPtiKey4);
-    iKeysForPoolFormation.Append(EPtiKey5);
-    iKeysForPoolFormation.Append(EPtiKey6);
-    iKeysForPoolFormation.Append(EPtiKey7);
-    iKeysForPoolFormation.Append(EPtiKey8);
-    iKeysForPoolFormation.Append(EPtiKey9);
+    iItutKeys.Append(EPtiKey0);
+    iItutKeys.Append(EPtiKey1);
+    iItutKeys.Append(EPtiKey2);
+    iItutKeys.Append(EPtiKey3);
+    iItutKeys.Append(EPtiKey4);
+    iItutKeys.Append(EPtiKey5);
+    iItutKeys.Append(EPtiKey6);
+    iItutKeys.Append(EPtiKey7);
+    iItutKeys.Append(EPtiKey8);
+    iItutKeys.Append(EPtiKey9);
     // one additional pool for special characters not mapped too any keys. 
     // This should always be the last one in the arrary
-    iKeysForPoolFormation.Append(EPtiKeyNone);
+    iItutKeys.Append(EPtiKeyNone);
 
     // Now add the keymap arrays to hold the keymap data
-    for (TInt i = 0; i < iKeysForPoolFormation.Count(); i++)
+    const TInt ltutKeysCount = iItutKeys.Count();
+    for (TInt i = 0; i < ltutKeysCount; i++)
         {
         TKeyMappingData *keyData = new (ELeave) TKeyMappingData;
-        keyData->key = iKeysForPoolFormation[i];
-        iAllKeyMappingsPtrArr.Append(keyData);
-        }
-
-    //  Add the keymap for current language
-    AddKeyMapforItutL(aLanguage);
-
-    // If it's TW or HK variant, add the keymap for English language
-    if (aLanguage == ELangTaiwanChinese || aLanguage == ELangHongKongChinese)
-        {
-        AddKeyMapforItutL(ELangEnglish);
+        keyData->iKey = iItutKeys[i];
+        iItutKeyMappings.Append(keyData);
         }
 
     PRINT ( _L("----------------------------------------"));
-
     }
 
 // ----------------------------------------------------------------------------
@@ -628,29 +494,31 @@
 // ----------------------------------------------------------------------------
 void CPcsKeyMap::AddKeyMapforItutL(TLanguage aLanguage)
     {
-    // Make a language object based on current language
-    CPtiCoreLanguage* iCoreLanguage = static_cast<CPtiCoreLanguage*> (iPtiEngine->GetLanguage(aLanguage));
+    // Activate given language and get corresponding language object
+    iPtiEngine->ActivateLanguageL(aLanguage);
+    CPtiCoreLanguage* coreLanguage = static_cast<CPtiCoreLanguage*> (iPtiEngine->GetLanguage(aLanguage));
 
     //Perfrom the key mappings only if the corelanguage is available
-    if (iCoreLanguage)
+    if (coreLanguage)
         {
         // Get the keyboard mappings for the language
-        CPtiKeyMappings* iPtiKeyMappings =  static_cast<CPtiKeyMappings*> 
-                (iCoreLanguage->GetKeymappings());
+        CPtiKeyMapData* ptiKeyMapData = coreLanguage->RawKeyMapData();
 
-        for (TInt i = 0; i < iAllKeyMappingsPtrArr.Count() - 1; i++)
+        const TInt ltutKeyMappingsCount = iItutKeyMappings.Count() - 1;
+        for (TInt i = 0; i < ltutKeyMappingsCount; i++)
             {
-            AddDataForItutKeyboardL(iPtiKeyMappings, iKeysForPoolFormation[i], *(iAllKeyMappingsPtrArr[i]));
+            AddDataForItutKeyboardL(ptiKeyMapData, iItutKeys[i], *(iItutKeyMappings[i]));
             }
         }
 
-    if (iAlgorithm->FindUtilECE()->CurrentInputLanguage() == ELangHongKongChinese)
+    if ( (aLanguage == ELangPrcChinese || aLanguage == ELangTaiwanChinese || aLanguage == ELangHongKongChinese) && 
+         (iAlgorithm->FindUtilECE()->CurrentSearchMethod() == EAdptSearchStroke) )
         {
-        (*(iAllKeyMappingsPtrArr[1])).iKeyMappingArray.Append(0x4E00); //heng
-        (*(iAllKeyMappingsPtrArr[2])).iKeyMappingArray.Append(0x4E28); //shu
-        (*(iAllKeyMappingsPtrArr[3])).iKeyMappingArray.Append(0x4E3F); //pie
-        (*(iAllKeyMappingsPtrArr[4])).iKeyMappingArray.Append(0x4E36); //dian
-        (*(iAllKeyMappingsPtrArr[5])).iKeyMappingArray.Append(0x4E5B); //zhe
+        (*(iItutKeyMappings[1])).iKeyMappingArray.Append(0x4E00); //heng
+        (*(iItutKeyMappings[2])).iKeyMappingArray.Append(0x4E28); //shu
+        (*(iItutKeyMappings[3])).iKeyMappingArray.Append(0x4E3F); //pie
+        (*(iItutKeyMappings[4])).iKeyMappingArray.Append(0x4E36); //dian
+        (*(iItutKeyMappings[5])).iKeyMappingArray.Append(0x4E5B); //zhe
         }
 
     }
@@ -658,18 +526,80 @@
 // CPcsKeyMap::AddDataForItutKeyboardL
 // 
 // ----------------------------------------------------------------------------
-void CPcsKeyMap::AddDataForItutKeyboardL(CPtiKeyMappings* iPtiKeyMappings, TPtiKey aKey, TKeyMappingData& aKeyDataList)
+void CPcsKeyMap::AddDataForItutKeyboardL(CPtiKeyMapData* aPtiKeyMapData, TPtiKey aKey, TKeyMappingData& aKeyDataList)
     {
     TPtiTextCase caseArray[] = { EPtiCaseUpper, EPtiCaseLower };
-    TBuf<50> iResult;
-    for (int i = 0; i< sizeof(caseArray) / sizeof(TPtiTextCase); i++)
+    for (TInt i = 0; i< sizeof(caseArray) / sizeof(TPtiTextCase); i++)
+        {
+        TPtrC result = aPtiKeyMapData->DataForKey(EPtiKeyboard12Key, aKey, caseArray[i]);
+        const TInt resultLength =  result.Length();
+        for (TInt j = 0; j < resultLength; j++)
+            aKeyDataList.iKeyMappingArray.Append(result[j]);
+        PRINT2 ( _L("CPcsKeyMap: Mapping for Key %c = %S"), aKey,&result)
+        }
+    }
+
+// ----------------------------------------------------------------------------
+// CPcsKeyMap::CreateKeyMapFromKeyBindingTable
+//
+// ----------------------------------------------------------------------------
+void CPcsKeyMap::CreateKeyListFromKeyBindingTable( RArray<TPtiKey>& aKeyArray, 
+        TPtiKeyboardType aKbType )
+    {
+    PRINT ( _L("Enter CPcsKeyMap::CreateKeyListFromKeyBindingTable") );
+
+    // Use Eglish mappings to list the keys on the keyboard
+    TRAP_IGNORE( iPtiEngine->ActivateLanguageL( ELangEnglish ) );
+    CPtiCoreLanguage* ptiLang = 
+            static_cast<CPtiCoreLanguage*>(iPtiEngine->GetLanguage( ELangEnglish ));
+
+    if (ptiLang)
         {
-        iResult.Zero();
-        iPtiKeyMappings->GetDataForKey(aKey, iResult, caseArray[i]);
-        for (int j = 0; j < iResult.Length(); j++)
-            aKeyDataList.iKeyMappingArray.Append(iResult[j]);
-        PRINT2 ( _L("CPcsKeyMap: Mapping for Key %c = %S"), aKey,&iResult)
+        const CPtiKeyMapData* keyMapData = ptiLang->RawKeyMapData();
+        const TPtiKeyBinding* table = NULL;
+        TInt numItems = 0;
+        if ( keyMapData )
+            {
+            table = keyMapData->KeyBindingTable(aKbType, numItems);
+            }
+        else
+            {
+            PRINT( _L("CPcsKeyMap::CreateKeyListFromKeyBindingTable: #### Failed to get RawKeyMapData ####") );
+            }
+        
+        PRINT1 ( _L("CPcsKeyMap::CreateKeyListFromKeyBindingTable: Num of Items in KeyBindingTable is %d"), numItems );
+
+        // Get from the key table the keys for constructing the pools
+        if (table)
+            {
+            for (TInt i = 0; i < numItems; i++)
+                {
+                TPtiKey key = (TPtiKey) table[i].iScanCode;
+                // Get all keys with same EPtiCaseLower or EPtiCaseUpper case
+                // Only for one of the casing to avoid repetitions
+                if ( (EPtiKeyNone != key) && (EPtiCaseLower == table[i].iCase) )
+                    {
+                    PRINT3 ( _L("CPcsKeyMap::CreateKeyListFromKeyBindingTable: Adding pool %d with key '%c' (0x%02X)"),
+                            aKeyArray.Count(), key, key );
+                    aKeyArray.Append( key );
+                    }
+                }
+            }
+        else
+            {
+            PRINT ( _L("CPcsKeyMap::CreateKeyListFromKeyBindingTable: ##### Failed to create Key List (KeyBindingTable) #####") );
+            }
         }
+    else
+        {
+        PRINT ( _L("CPcsKeyMap::CreateKeyListFromKeyBindingTable: ##### Failed to create Key List (Language) #####") );
+        }
+
+    // one additional pool for special characters not mapped too any keys. 
+    // This should always be the last one in the arrary
+    aKeyArray.Append(EPtiKeyNone);
+
+    PRINT ( _L("End CPcsKeyMap::CreateKeyListFromKeyBindingTable") );
     }
 
 // ----------------------------------------------------------------------------
@@ -680,7 +610,8 @@
     {
 
     TBool flag = ETrue;
-    for (int i = 0; i < iLanguageNotSupported.Count(); i++)
+    const TInt languageNotSupportedCount = iLanguageNotSupported.Count();
+    for (TInt i = 0; i < languageNotSupportedCount; i++)
         {
         if (iLanguageNotSupported[i] == aLang)
             {
@@ -690,31 +621,131 @@
 
     return flag;
     }
+
+// ----------------------------------------------------------------------------
+// CPcsKeyMap::PoolIdForKey
+//
+// ----------------------------------------------------------------------------
+TInt CPcsKeyMap::PoolIdForKey(TPtiKey aKey, TKeyboardModes aKbMode) const
+    {
+    __ASSERT_DEBUG( (aKbMode==EPredictiveItuT || aKbMode==EPredictiveQwerty),
+                    Panic(EPanic_InvalidKeyboardType) );
+    
+    // From logical point of view, the Pool ID is an index of the key in
+    // an array which is formed by concatenating QWERTY keys array in the end
+    // of the ITU-T keys array.
+    TInt poolId = KErrNotFound;
+    if ( aKbMode == EPredictiveItuT && iItutKeys.Count() )
+        {
+        poolId = iItutKeys.Find(aKey);
+        // IF the key is not found, then it should go to the special pool,
+        // which is the pool of the dummy key in the ITU-T keys array
+        if (KErrNotFound == poolId)
+            {
+            poolId = iItutKeys.Count() - 1;
+            }
+        }
+    else if ( aKbMode == EPredictiveQwerty && iQwertyKeys.Count() )
+        {
+        poolId = iQwertyKeys.Find(aKey);
+        // IF the key is not found, then it should go to the special pool,
+        // which is the pool of the dummy key in the QWERTY keys array
+        if (KErrNotFound == poolId)
+            {
+            poolId = iQwertyKeys.Count() - 1;
+            }
+        // Pools of QWERTY keys come after pools of ITU-T keys
+        poolId += iItutKeys.Count();
+        }
+
+    // Pool ID must never exceed value 63, because CPcsCache class
+    // stores these values as bitmask into 64 bit variable.
+    __ASSERT_DEBUG( poolId < 64, Panic(EPanic_OverflowInPoolIndex) );
+    return poolId;
+    }
+
 // ----------------------------------------------------------------------------
 // CPcsKeyMap::PoolIdForCharacter
 // 
 // ----------------------------------------------------------------------------
-TInt CPcsKeyMap::PoolIdForCharacter(TChar aChar)
+TInt CPcsKeyMap::PoolIdForCharacter( TChar aChar, TKeyboardModes aKbMode )
     {
-    TInt numValue = KErrNotFound;
-    
+    // Pools are formed according the predictive keyboard mapping(s).
+    // When selecting pool for non-predictive mode, we use the pool of the
+    // default keyboard. The non-predictive matches should be a sub set of the
+    // predictive matches of the default keyboard, although strictly speaking,
+    // there' no guarantee for this.
+    if ( aKbMode == ENonPredictive || aKbMode == EPredictiveDefaultKeyboard )
+        {
+        aKbMode = ( iItutIsDefault ? EPredictiveItuT : EPredictiveQwerty );
+        }
+
     // If character is a Chinese word character, then we select the
     // pool ID according the first character of the first spelling of the word.
     TRAP_IGNORE( aChar = FirstCharFromSpellingL( aChar ) );
+
+    TPtiKey key = KeyForCharacter( aChar, aKbMode );
+    TInt poolId = PoolIdForKey( key, aKbMode );
+
+    return poolId;
+    }
+
+// ----------------------------------------------------------------------------
+// CPcsKeyMap::PoolCount
+// 
+// ----------------------------------------------------------------------------
+TInt CPcsKeyMap::PoolCount()
+    {
+    return iItutKeyMappings.Count() + iQwertyKeyMappings.Count();
+    }
+
+// ----------------------------------------------------------------------------
+// CPcsKeyMap::GetSpaceAndZeroOnSameKey
+// 
+// ----------------------------------------------------------------------------
+TBool CPcsKeyMap::GetSpaceAndZeroOnSameKey( TKeyboardModes aMode )
+    {
+    // Resolve ambiguous keyboard mode
+    aMode = ResolveKeyboardMode( aMode );
     
-    TInt key = KeyForCharacter(aChar);
-    if (key != KErrNotFound)
+    if ( aMode == EPredictiveItuT )
         {
-        numValue = iKeysForPoolFormation.Find((TPtiKey) key);
+        return iSpaceAndZeroOnSameKeyOnItut;
+        }
+    else if ( aMode == EPredictiveQwerty )
+        {
+        return iSpaceAndZeroOnSameKeyOnQwerty;
         }
     else
         {
-        // IF the key is not found, then it should go to the special pool,
-        // which is the last pool of iAllKeyMappingsPtrArr
-        numValue = iAllKeyMappingsPtrArr.Count() - 1;
+        return EFalse;
         }
+    }
 
-    return numValue;
+// ----------------------------------------------------------------------------
+// CPcsKeyMap::SetSpaceAndZeroOnSameKey
+// 
+// ----------------------------------------------------------------------------
+void CPcsKeyMap::SetSpaceAndZeroOnSameKey()
+    {
+    static const TInt KSpace = 0x20; // ASCII for " "
+    static const TInt KZero  = 0x30; // ASCII for "0"
+
+    TChar charSpace(KSpace);
+    TChar charZero(KZero);
+
+    TPtiKey keySpace;
+    TPtiKey keyZero;
+    
+    // ITU-T mode
+    keySpace = KeyForCharacter(charSpace, EPredictiveItuT);
+    keyZero = KeyForCharacter(charZero, EPredictiveItuT);
+    iSpaceAndZeroOnSameKeyOnItut = (keySpace == keyZero);
+    
+    // QWERTY mode
+    keySpace = KeyForCharacter(charSpace, EPredictiveQwerty);
+    keyZero = KeyForCharacter(charZero, EPredictiveQwerty);
+    iSpaceAndZeroOnSameKeyOnQwerty = (keySpace == keyZero);
     }
 
 // ----------------------------------------------------------------------------
@@ -726,7 +757,7 @@
     TChar translated( aChar );
     TBuf<1> temp;
     temp.Append( aChar );
-    if ( iAlgorithm->FindUtilECE()->IsChineseWord( temp ) )
+    if ( iAlgorithm->FindUtilECE()->IsChineseWordIncluded( temp ) )
         {
         RPointerArray<HBufC> spellList;
         CleanupResetAndDestroyPushL( spellList );
@@ -738,12 +769,91 @@
         }
     return translated;
     }
+
 // ----------------------------------------------------------------------------
-// CPcsKeyMap::PoolCount
+// CPcsKeyMap::KeyMappings
+//
+// ----------------------------------------------------------------------------
+const RPointerArray<TKeyMappingData>* CPcsKeyMap::KeyMappings( TKeyboardModes aMode ) const
+    {
+    const RPointerArray<TKeyMappingData>* mappings = NULL;
+    
+    if ( aMode == EPredictiveItuT )
+        {
+        mappings = &iItutKeyMappings;
+        }
+    else if ( aMode == EPredictiveQwerty )
+        {
+        mappings = &iQwertyKeyMappings;
+        }
+    else if ( aMode == ENonPredictive )
+        {
+        mappings = NULL;
+        }
+    else
+        {
+        mappings = NULL;
+        __ASSERT_DEBUG( EFalse, Panic( EPanic_InvalidKeyboardType ) );
+        }
+    
+    return mappings;
+    }
+
+// ----------------------------------------------------------------------------
+// CPcsKeyMap::ResolveKeyboardMode
 // 
 // ----------------------------------------------------------------------------
-TInt CPcsKeyMap::PoolCount()
+TKeyboardModes CPcsKeyMap::ResolveKeyboardMode( TKeyboardModes aKbMode ) const
     {
-    return iAllKeyMappingsPtrArr.Count();
+    TKeyboardModes resolvedMode = aKbMode;
+    
+    // Substitute "default predictive" mode with actual mode
+    if ( resolvedMode == EPredictiveDefaultKeyboard )
+        {
+        resolvedMode = ( iItutIsDefault ? EPredictiveItuT : EPredictiveQwerty );
+        }
+
+    // Substitute predictive mode with non-predictive mode if corresponding
+    // keyboard mappings are not available.
+    if ( ( resolvedMode == EPredictiveItuT && iItutKeyboardType == EPtiKeyboardNone ) ||
+         ( resolvedMode == EPredictiveQwerty && iQwertyKeyboardType == EPtiKeyboardNone ) )
+        {
+        PRINT1( _L("CPcsKeyMap::ResolveKeyboardMode: Mappings for requested mode %d unavailable. Falling back to non-predictive mode!"), aKbMode );
+        resolvedMode = ENonPredictive;
+        }
+    
+    return resolvedMode;
+    }
+
+// ----------------------------------------------------------------------------
+// CPcsKeyMap::DefaultCharForKey
+// 
+// ----------------------------------------------------------------------------
+TText CPcsKeyMap::DefaultCharForKey( TPtiKey aKey, TKeyboardModes aKbMode ) const
+    {
+    // On ITU-T, the Pti key code can be directly interpreted as unicode character.
+    // Thus, default characters for keys are 1,2,3,4,5,6,7,8,9,0,*,#.
+    TText defChar = aKey;
+    
+    // On QWERTY, using PtiKey values directly is not safe since all PtiKey values are
+    // not codepoints of printable Unicode characters.
+    // Treating these arbitrary numerical values as Unicode characters could break 
+    // the uniqueness of keys when collated comparison is used. Also, converting same
+    // data multiple times to "compare format" would then break the data.
+    if ( aKbMode == EPredictiveQwerty )
+        {
+        // Take first mapped character of the key and convert it to upper case.
+        TInt index = iQwertyKeys.Find( aKey );
+        if ( index != KErrNotFound )
+            {
+            const RArray<TInt>& mappings = iQwertyKeyMappings[index]->iKeyMappingArray;
+            if ( mappings.Count() )
+                {
+                defChar = User::UpperCase( mappings[0] );
+                }
+            }
+        }
+    
+    return defChar;
     }
 // End of file