1 /*

     2 * Copyright (c) 2005 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 *     It defines class that contains static helper functions.

    16 *

    17 */

    18 

    19 

    20 #ifndef CPHONEKEYS_H

    21 #define CPHONEKEYS_H

    22 

    23 // INCLUDES

    24 #include    <w32std.h>

    25 #include    "phoneconstants.h"

    26 

    27 // CONSTANTS

    28 

    29 // CLASS DECLARATION

    30 

    31 /**

    32 * It defines some helper functions.

    33 */

    34 class CPhoneKeys: public CBase

    35     {

    36     public: // New functions

    37 

    38         /**

    39         * Checks if the key is a number key.

    40         */

    41         IMPORT_C static TBool IsNumberKey(

    42             const TKeyEvent& aKeyEvent,

    43             TEventCode aType );

    44         

    45         /**

    46         * Checks if the key is a numeric key.

    47         */

    48         IMPORT_C static TBool IsNumericKey( 

    49             const TKeyEvent& aKeyEvent,

    50             TEventCode aType );

    51 

    52         /**

    53         * Checks if keyevent is escape.

    54         */

    55         IMPORT_C static TBool IsEscapeKey(

    56             const TKeyEvent& aKeyEvent,

    57             TEventCode aType );

    58 

    59         /**

    60         * Checks if keyevent is DTMF tone.

    61         */

    62         IMPORT_C static TBool IsDtmfTone(

    63             const TKeyEvent& aKeyEvent,

    64             TEventCode aType );

    65 

    66         /**

    67         * Checks if keyevent is Second "#" key, i.e, "##".

    68         */

    69         IMPORT_C static TBool IsSecondHashKey(

    70             const TDes& aText );

    71         

    72         /**

    73         * Checks if keyevent is "*" key or following via taps of

    74         */    

    75         IMPORT_C static TBool IsExtraChar(

    76             TInt aChar ); 

    77         

    78         /**

    79         * Validates number entry string.

    80         *

    81         * String is ok if it contains only characters from 

    82         * set { 0, .., 9, *, #, +, p, w, P, W }.

    83         *

    84         * @param aString string to be validated.

    85         * @return ETrue iff string is ok.

    86         */

    87         IMPORT_C static TBool Validate( const TDesC& aString );           

    88     };

    89 

    90 #endif      // CPHONEKEYS_H

    91             

    92 // End of File