1 /*

     2 * Copyright (c) 2002-2004 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:            Provides the TAknFepInputStateInitialIndicPhoneticMultitap definition.

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 

    22 

    23 

    24 

    25 

    26 

    27 

    28 #ifndef __AKN_FEP_UI_INPUT_STATE_INIT_INDIC_PHONETIC_MULTITAP_H__

    29 #define __AKN_FEP_UI_INPUT_STATE_INIT_INDIC_PHONETIC_MULTITAP_H__

    30 

    31 #include "AknFepUIInputStateInitialMultitapBase.h"

    32 /**

    33 *  This class  handles the multitap input for Indic languages.

    34 *  @lib avkonfep.dll

    35 *  @since Series 60 3.1

    36 */

    37 class TAknFepInputStateInitialIndicPhoneticMultitap : public TAknFepInputStateInitialMultitapBase

    38     {

    39 public:

    40     /**

    41     * 

    42     * Constructor for TAknFepInputStateInitialIndicPhoneticMultitap.	

    43     * @since 5.0

    44     * @return 

    45     */

    46     TAknFepInputStateInitialIndicPhoneticMultitap(MAknFepUIManagerStateInterface* aOwner, 

    47                                                   TInt aLanguage); 

    48 public: //from TAknFepInputStateBase    

    49     /**

    50     * 

    51     * Returns the virama character depending on the input language.	

    52     * @since 5.0

    53     * @return Etrue if the Key is handled. 

    54     */

    55 

    56     TBool HandleKeyL(TInt aKey, TKeyPressLength aLength);

    57 #ifdef RD_HINDI_PHONETIC_INPUT 

    58     /**

    59     * 

    60     * Populates iPhoneticLatinChar to aChar.	

    61     * @since 5.0

    62     * @return None. 

    63     */

    64     virtual void GetPhoneticLatinChar(TChar& aChar)const;

    65 #endif 

    66     

    67 public: //from MptiObserver

    68     /**

    69     * 

    70     * Gets called when PTI Engine's timer expires.	

    71     * @since 5.0

    72     * @return 

    73     */

    74 	void KeyTimerExpired();

    75 	/**

    76 	 * Transliterate the current inputted character to language specific character

    77 	 * of Halant.

    78 	 * @since 5.0

    79 	 * @param Null

    80 	 * @return Null

    81 	 */

    82 private:

    83 	void TransliterateFromLatinL();

    84 	/**

    85      * Removes Halant added by Phonetic PtiENgine for North Indian Languages.

    86      * 

    87      * @since 5.0

    88      * @param aLanguage- Current Phonetic input language is passed to this function.

    89      * Engine.

    90      * @return Nothing

    91      */

    92 	void RemoveHalantL(TLanguage aLanguage);

    93 	

    94 	/**

    95      * Checks wheather the current Phonetic Input Language follows North Indian style of editing. This is necessary for removal

    96      * of Halant.

    97      * @since 5.0

    98      * @param aLanguage- Current Phonetic input language is passed to this function.

    99      * Engine.

   100      * @return Returns True if the current language comes under North Indian style of writting.

   101      */

   102 	TBool IsToRemoveHalantForLanguage(TInt aLanguage);

   103 	/**

   104 	 * Checks if the character has phonetic equivallent to be Transliterated

   105 	 * of Halant.

   106 	 * @since 5.0

   107 	 * @param aChar character to be checked

   108 	 * @return returns ETrue if the character can be transliterated

   109 	 */

   110 	inline TBool IsToTransliterate(TChar& aChar);

   111 	/**

   112 	 * Checks if the current transliterated character can be inputted as per the language rule, if not then Question mark is inputted 

   113 	 * of Halant.

   114 	 * @since 5.0

   115 	 * @param aChar character to be validated for inputting

   116 	 * @return ETrue if the character is allowed

   117 	 */

   118 	TBool ValidatePhoneticInputL(const TDes& aBuf, TLanguage aLanguage);

   119 	/**

   120 	 * Checks if the current inputted character is a fallback rendered character

   121 	 * of Halant.

   122 	 * @since 5.0

   123 	 * @param aChar Character to be checked

   124 	 * @return ETrue is the character is a fallback rendered character

   125 	 */	

   126 	TBool IsInvalidPhoneticCharacter( TUint aChar, TLanguage aLanguage );

   127 	/**

   128 	 * Handels the key timer expiry

   129 	 * of Halant.

   130 	 * @since 5.0

   131 	 * @param Null

   132 	 * @return Null

   133 	 */

   134 	void HandleKeyTimerExpiryL();

   135 	};

   136 

   137 

   138 #endif //__AKN_FEP_UI_INPUT_STATE_INIT_INDIC_MULTITAP_H__

   139 

   140 // End of File