textinput/peninputarc/inc/peninputlayoutenginc/peninputimefinder.h
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     1 /*
       
     2 * Copyright (c) 2005-2006 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:  header file of peninput ime plugin finder
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 #ifndef C_CPENINPUTIMEFINDER_H
       
    21 #define C_CPENINPUTIMEFINDER_H
       
    22 
       
    23 // INCLUDES
       
    24 #include <e32base.h>
       
    25 #include <badesca.h> 
       
    26 #include <aknfeppeninputimeplugin.h>
       
    27 
       
    28 #include <AknFepGlobalEnums.h>
       
    29 
       
    30 class CPtiEngine;
       
    31 class RPeninputServer;
       
    32 class TImePluginLangAndMode;
       
    33 
       
    34 class TInternalImePlguinImplDetail
       
    35     {
       
    36 public:
       
    37     TInt iImplementationId;
       
    38     TInt iMode;
       
    39     TInt iMeritValue;
       
    40     TInt iLanguage;
       
    41     };
       
    42 
       
    43 /**
       
    44 * CImePluginFinder class.
       
    45 *
       
    46 * This is main class for outside users to find 
       
    47 *
       
    48 * @lib feplayouteng.lib
       
    49 * @since S60 V4.0
       
    50 */
       
    51 class CImePluginFinder : public CBase
       
    52     {
       
    53 public:
       
    54     /**
       
    55      * Two phase constructor.
       
    56      *
       
    57      * @since S60 V4.0
       
    58      * @return The layout engine instance
       
    59      */
       
    60     static CImePluginFinder* NewL();
       
    61     
       
    62     /**
       
    63      * Destructor.
       
    64      *
       
    65      * @since S60 V4.0
       
    66      */
       
    67     ~CImePluginFinder();
       
    68     
       
    69     /**
       
    70      * Initialze the finder and prepare all internal data
       
    71      *
       
    72      * @since S60 V4.0
       
    73      * @param aPtiEngine The ptiEngine instance, used by Ime plug-in 
       
    74      * @return None
       
    75      */
       
    76     void InitializeL(CPtiEngine* aPtiEngine);
       
    77     
       
    78     /**
       
    79      * Get pen support language list
       
    80      *
       
    81      * @since S60 V4.0
       
    82      * @param aLanguageLists A reference to a client owned array which 
       
    83      *                       will be filled with languages code
       
    84      * @return None                        
       
    85      */
       
    86     void SupportLanguages(RArray<TInt>& aLanguageLists);
       
    87     
       
    88     /**
       
    89      * Get IME plugin implementation list for specified language and plugin mode
       
    90      *
       
    91      * @since S60 V4.0
       
    92      * @param aLanguage The required language code.
       
    93      * @param aPluginMode The required IME plugin mode
       
    94      * @param aImplmentationIds A reference to a client owned array which 
       
    95      *                          will be filled with IME implementation code
       
    96      * @return None                        
       
    97      */
       
    98     void GetImePlugins(TInt aLanguage, TInt aPluginMode, RArray<TInt>& aImplmentationIds);
       
    99     
       
   100     /**
       
   101      * Get IME plugin implementation list for specified language 
       
   102      *
       
   103      * @since S60 V4.0
       
   104      * @param aLanguage The required language code.
       
   105      * @param aImplmentationIds A reference to a client owned array which 
       
   106      *                          will be filled with IME implementation code
       
   107      * @return None                        
       
   108      */
       
   109     void GetImePlugins(TInt aLanguage, RArray<TInt>& aImplmentationIds);
       
   110 
       
   111     /**
       
   112      * Test the Ime Finder initialiaztion state
       
   113      *
       
   114      * @since S60 V4.0
       
   115      * @return ETrue if initialzed, otherwise EFalse.
       
   116      */
       
   117     TBool Initialized(); 
       
   118       
       
   119     /**
       
   120      * Refresh internal data after system changes, such as disk insert/remove,
       
   121      * application install/uninstall and so on.
       
   122      * 
       
   123      * @since S60 V4.0
       
   124      * @return None
       
   125      */
       
   126     void RefreshL(CPtiEngine* aPtiEngine);
       
   127 
       
   128     /**
       
   129      * Is support TPluginInputMode for aLanguage. 
       
   130      *
       
   131      * @since S60 v4.0
       
   132      * @param aLanguage Value of TLanguage
       
   133      * @param aMode Value of TPluginInputMode
       
   134      * @return ETrue if supported. Otherwise EFalse.
       
   135      */
       
   136     TBool IsSupportPluginMode( TLanguage aLanguage, TPluginInputMode aMode ) ;
       
   137 private:
       
   138 
       
   139     /**
       
   140      * Constructor
       
   141      *
       
   142      * @since S60 V4.0 
       
   143      */
       
   144     CImePluginFinder();
       
   145 
       
   146     /**
       
   147      * Internal version of get IME plugin implementation list 
       
   148      * for specified language and plugin mode
       
   149      *
       
   150      * @since S60 V4.0
       
   151      * @param aLanguage The required language code.
       
   152      * @param aPluginMode The required IME plugin mode
       
   153      * @param aImplmentationIds A reference to a client owned array which 
       
   154      *                          will be filled with IME implementation code
       
   155      * @return None                        
       
   156      */
       
   157     void InternalGetImePlugins(TInt aLanguage, TInt aPluginMode, RArray<TInt>& aImplmentationIds);
       
   158     
       
   159     /**
       
   160      * Free a list
       
   161      *
       
   162      * @since S60 V4.0
       
   163      * @param aList A reference to the list
       
   164      * @return None                        
       
   165      */
       
   166     void FreeList(RArray<TImePluginLangAndMode>& aList);
       
   167     
       
   168     /**
       
   169      * Reset all data and free memory
       
   170      *
       
   171      * @return None                        
       
   172      */
       
   173     void Reset();
       
   174     
       
   175     /**
       
   176      * Add a implementation into internal data structure
       
   177      *
       
   178      * @param aImplDetail A reference to IME implenmentation detail.
       
   179      * @return None                        
       
   180      */
       
   181     void AddImplementationL(const TInternalImePlguinImplDetail& aImplDetail);
       
   182 
       
   183 private:
       
   184 
       
   185     /**
       
   186      * Implementation list, only contains pointer to iAllImplementations
       
   187      */
       
   188     RArray<TImePluginLangAndMode> iPluginList;
       
   189     
       
   190     /**
       
   191      * All implentation list
       
   192      */
       
   193     RArray<TInternalImePlguinImplDetail> iAllImplementations;
       
   194 
       
   195     /**
       
   196      * Flag of initialzed status
       
   197      */
       
   198     TBool iInitialized;
       
   199     };
       
   200      
       
   201 /**
       
   202 * CImePluginList class.
       
   203 *
       
   204 * This is class storing ime plugin prioritized
       
   205 *
       
   206 * @lib feplayouteng.lib
       
   207 * @since S60 V4.0
       
   208 */
       
   209 class CImePluginList: public CBase
       
   210     {
       
   211 public:
       
   212 
       
   213     /**
       
   214      * Constructor
       
   215      *
       
   216      * @since S60 V4.0 
       
   217      */
       
   218     CImePluginList();
       
   219 
       
   220     /**
       
   221      * Destructor
       
   222      *
       
   223      * @since S60 V4.0 
       
   224      */
       
   225     ~CImePluginList();
       
   226     
       
   227     /**
       
   228      * Insert a implementation in the list and keep priority order
       
   229      *
       
   230      * @param aImplDetail A reference to IME implenmentation detail.
       
   231      * @return None                        
       
   232      */
       
   233     void Insert(const TInternalImePlguinImplDetail* aImplDetail);
       
   234 
       
   235     /**
       
   236      * Get Ime plugin list
       
   237      *
       
   238      * @param aImplmentationIds A reference to internal implementation list.
       
   239      * @return None                        
       
   240      */
       
   241     void GetImePlugins(RArray<TInt>& aImplmentationIds);
       
   242 private:
       
   243 
       
   244     /**
       
   245      * Priorited Ime plugin list
       
   246      */
       
   247     RPointerArray<TInternalImePlguinImplDetail> iPriList;
       
   248     };
       
   249     
       
   250 /**
       
   251 * TImePluginLangAndMode structure.
       
   252 *
       
   253 */
       
   254 class TImePluginLangAndMode
       
   255     {
       
   256 public:
       
   257     
       
   258     /**
       
   259      * Language code
       
   260      */
       
   261     TInt8 iLanguage; 
       
   262     
       
   263     /**
       
   264      * Language code
       
   265      */
       
   266     TInt16 iMode; 
       
   267     
       
   268     /**
       
   269      * Ime plugin list for speicial plugin mode and language of iLanguage
       
   270      */
       
   271     CImePluginList* iImePluginList;
       
   272     };
       
   273 
       
   274 #endif  C_CPENINPUTIMEFINDER_H
       
   275 
       
   276 // End of file