1 /*

     2  * Copyright (c) 2009 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: Telephony Multimedia Service

    15  *

    16  */

    17 

    18 #ifndef MCCPDTMFOBSERVER_H

    19 #define MCCPDTMFOBSERVER_H

    20 

    21 #include <e32base.h>

    22 

    23 namespace TMS {

    24 

    25 /**

    26  * CCP DTMF related events observer class.

    27  * This class is used for notifying DTMF specific events.

    28  */

    29 class TMSCCPDTMFObserver

    30     {

    31 public:

    32 

    33     /** DTMF Events */

    34     enum TCCPDtmfEvent

    35         {

    36         /** Unknown */

    37         ECCPDtmfUnknown = 0,

    38         /** DTMF sending started manually */

    39         ECCPDtmfManualStart = 5,

    40         /** DTMF sending stopped manually */

    41         ECCPDtmfManualStop = 6,

    42         /** DTMF sending aborted manually */

    43         ECCPDtmfManualAbort = 7,

    44         /** Automatic DTMF sending initialized */

    45         ECCPDtmfSequenceStart = 9,

    46         /** Automatic DTMF sending stopped */

    47         ECCPDtmfSequenceStop = 10,

    48         /** Automatic DTMF sending aborted */

    49         ECCPDtmfSequenceAbort = 11,

    50         /** There was stop mark in DTMF string */

    51         ECCPDtmfStopInDtmfString,

    52         /** DTMF sending completed succesfully */

    53         ECCPDtmfStringSendingCompleted

    54         };

    55 

    56     //protected:

    57     /**

    58      * Protects the observer being deleted through the observer interface.

    59      */

    60     //virtual inline ~TMSCCPDTMFObserver() {};

    61 

    62 public:

    63 

    64     /**

    65      * HandleDTMFEvents.

    66      * @param aEvent Event type

    67      * @param aError Error code

    68      * @param aTone Character

    69      * @return none

    70      */

    71     virtual void HandleDTMFEvent(const TMSCCPDTMFObserver::TCCPDtmfEvent aEvent,

    72             const TInt aError, const TChar aTone) /*const*/ = 0;

    73     };

    74 

    75 } //namespace TMS

    76 

    77 #endif // MCCPDTMFOBSERVER_H

    78 

    79 // End of File