// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

// This file contains all the interfaces classes that can be implemented by

// the Licensee LTSY relating to CallControl related features.

//

/**

 @file

 @internalAll 

*/

#ifndef MLTSYDISPATCHCALLCONTROLINTERFACE_H_

#define MLTSYDISPATCHCALLCONTROLINTERFACE_H_

#include <ctsy/ltsy/mltsydispatchinterface.h>

#include <etelmm.h>

#include <ctsy/rmmcustomapi.h>

class MLtsyDispatchCallControlAnswer : public MLtsyDispatchInterface

	{

public:

	static const TInt KLtsyDispatchCallControlAnswerApiId = KDispatchCallControlFuncUnitId + 1;

	/**

	 * The CTSY Dispatcher shall invoke this function on receiving the EEtelCallAnswer

	 * request from the CTSY.

	 *

	 * It is a request call that is completed by invoking

	 * CCtsyDispatcherCallback::CallbackCallControlAnswerComp()

	 *

	 * Implementation of this interface should answer the specified incoming call.

	 *

	 * @param aCallId The Call ID of the call to answer.

	 *

	 * @param aIsIsvCall ETrue if the request to answer the call comes from a

	 * 3rd party application, EFalse otherwise. This parameter exists in case the

	 * LTSY wishes to perform special handling of ISV calls.

	 *

	 * @return KErrNone on success, otherwise another error code indicating the

	 * failure.

	 *

	 * @see RCall::AnswerIncomingCall()

	 * @see RCall::AnswerIncomingCallISV()

	 * @see CTelephony::AnswerIncomingCall()

	 */

	virtual TInt HandleAnswerReqL(TInt aCallId, TBool aIsIsvCall) = 0;

	}; // class MLtsyDispatchCallControlAnswer

class MLtsyDispatchCallControlHold : public MLtsyDispatchInterface

	{

public:

	static const TInt KLtsyDispatchCallControlHoldApiId = KDispatchCallControlFuncUnitId + 2;

	/**

	 * The CTSY Dispatcher shall invoke this function on receiving the EMobileCallHold

	 * request from the CTSY.

	 *

	 * It is a request call that is completed by invoking

	 * CCtsyDispatcherCallback::CallbackCallControlHoldComp()

	 *

	 * Implementation of this interface should hold the specified call.

	 *

	 * @param aCallId The Call ID of the call to hold.

	 *

	 * @return KErrNone on success, otherwise another error code indicating the

	 * failure.

	 *

	 * @see RMobileCall::Hold()

	 */

	virtual TInt HandleHoldReqL(TInt aCallId) = 0;

	}; // class MLtsyDispatchCallControlHold

class MLtsyDispatchCallControlDialEmergency : public MLtsyDispatchInterface

	{

public:

	static const TInt KLtsyDispatchCallControlDialEmergencyApiId = KDispatchCallControlFuncUnitId + 3;

	/**

	 * The CTSY Dispatcher shall invoke this function on receiving the EMobileCallDialEmergencyCall

	 * request from the CTSY.

	 *

	 * It is a request call that is completed by invoking

	 * CCtsyDispatcherCallback::CallbackCallControlDialEmergencyComp()

	 *

	 * Implementation of this interface should dial an emergency call to the specified

	 * number.

	 *

	 * @param aEmergencyNumber The emergency phone number to dial.  The descriptor

	 * should be of type RMobileENStore::TEmergencyNumber.

	 *

	 * @return KErrNone on success, otherwise another error code indicating the

	 * failure.

	 *

	 * @see RMobileCall::DialEmergencyCall()

	 */

	virtual TInt HandleDialEmergencyReqL(const TDes& aEmergencyNumber) = 0;

	}; // class MLtsyDispatchCallControlDialEmergency

class MLtsyDispatchCallControlStopDtmfTone : public MLtsyDispatchInterface

	{

public:

	static const TInt KLtsyDispatchCallControlStopDtmfToneApiId = KDispatchCallControlFuncUnitId + 4;

	/**

	 * The CTSY Dispatcher shall invoke this function on receiving the EMobilePhoneStopDTMFTone

	 * request from the CTSY.

	 *

	 * It is a request call that is completed by invoking

	 * CCtsyDispatcherCallback::CallbackCallControlStopDtmfToneComp()

	 *

	 * Implementation of this interface should stop sending the DTMF tone previously

	 * started by MLtsyDispatchCallControlStartDtmfTone::HandleStartDtmfToneReqL().

	 *

	 * @param aCallId Call ID of the connected call the stop request will be sent

	 * through.

	 *

	 * @return KErrNone on success, otherwise another error code indicating the

	 * failure.

	 *

	 * @see RMobileCall::StopDTMFTone()

	 */

	virtual TInt HandleStopDtmfToneReqL(TInt aCallId) = 0;

	}; // class MLtsyDispatchCallControlStopDtmfTone

class MLtsyDispatchCallControlSetActiveAlsLine : public MLtsyDispatchInterface

	{

public:

	static const TInt KLtsyDispatchCallControlSetActiveAlsLineApiId = KDispatchCallControlFuncUnitId + 5;

	/**

	 * The CTSY Dispatcher shall invoke this function on receiving the EMobilePhoneSetALSLine

	 * request from the CTSY.

	 *

	 * It is a request call that is completed by invoking

	 * CCtsyDispatcherCallback::CallbackCallControlSetActiveAlsLineComp()

	 *

	 * Implementation of this interface should set the active ALS line to that

	 * specified.

	 *

	 * @param aAlsLine The new active ALS line.

	 *

	 * @return KErrNone on success, otherwise another error code indicating the

	 * failure.

	 *

	 * @see RMobilePhone::SetALSLine()

	 */

	virtual TInt HandleSetActiveAlsLineReqL(RMobilePhone::TMobilePhoneALSLine aAlsLine) = 0;

	}; // class MLtsyDispatchCallControlSetActiveAlsLine

class MLtsyDispatchCallControlSendDtmfTonesCancel : public MLtsyDispatchInterface

	{

public:

	static const TInt KLtsyDispatchCallControlSendDtmfTonesCancelApiId = KDispatchCallControlFuncUnitId + 6;

	/**

	 * The CTSY Dispatcher shall invoke this function on receiving the EMobilePhoneSendDTMFTonesCancel

	 * request from the CTSY.

	 *

	 * It is a request call that is completed by invoking

	 * CCtsyDispatcherCallback::CallbackCallControlSendDtmfTonesCancelComp()

	 *

	 * Implementation of this interface should attempt to cancel the sending of

	 * a string of DTMF tones which were previously sent by

	 * MLtsyDispatchCallControlSendDtmfTones::HandleSendDtmfTonesReqL()

	 *

	 * @param aCallId The Call ID of the active call that the cancel request relates

	 * to.

	 *

	 * @return KErrNone on success, otherwise another error code indicating the

	 * failure.

	 *

	 * @see RMobilePhone::SendDTMFTones()

	 */

	virtual TInt HandleSendDtmfTonesCancelReqL(TInt aCallId) = 0;

	}; // class MLtsyDispatchCallControlSendDtmfTonesCancel

class MLtsyDispatchCallControlHangUp : public MLtsyDispatchInterface

	{

public:

	static const TInt KLtsyDispatchCallControlHangUpApiId = KDispatchCallControlFuncUnitId + 7;

	/**

	 * The CTSY Dispatcher shall invoke this function on receiving the EEtelCallHangUp

	 * request from the CTSY.

	 *

	 * It is a request call that is completed by invoking

	 * CCtsyDispatcherCallback::CallbackCallControlHangUpComp()

	 *

	 * Implementation of this interface should

	 * make a request to the modem to hang up the call specified

	 * in aCallId.  The completion should be called to indicate the result of

	 * placing the hang up request with the baseband.

	 *

	 *  - If aCallId refers to a connected call, the Common TSY will pass

	 * a hang up cause of KErrGsmReleaseByUser to indicate that the call is

	 * being released by the user.

	 *

	 *  - If aCallId refers to a mobile terminated call which is ringing,

	 * the Common TSY will pass a hang up cause of KErrGsmBusyUserRequest to

	 * indicate that the user is rejecting the incoming call.

	 *

	 * @param aCallId The Call ID of the call to hang up.

	 *

	 * @param aHangupCause The reason for the hang up request.

	 *

	 * @return KErrNone on success, otherwise another error code indicating the

	 * failure.

	 *

	 * @see RCall::HangUp()

	 */

	virtual TInt HandleHangUpReqL(TInt aCallId, TInt aHangupCause) = 0;

	}; // class MLtsyDispatchCallControlHangUp

class MLtsyDispatchCallControlResume : public MLtsyDispatchInterface

	{

public:

	static const TInt KLtsyDispatchCallControlResumeApiId = KDispatchCallControlFuncUnitId + 8;

	/**

	 * The CTSY Dispatcher shall invoke this function on receiving the EMobileCallResume

	 * request from the CTSY.

	 *

	 * It is a request call that is completed by invoking

	 * CCtsyDispatcherCallback::CallbackCallControlResumeComp()

	 *

	 * Implementation of this interface should resume the specified call.

	 * See 3GPP 24.083

	 *

	 * @param aCallId The Call ID of the call to resume.

	 *

	 * @return KErrNone on success, otherwise another error code indicating the

	 * failure.

	 *

	 * @see RMobileCall::Resume()

	 */

	virtual TInt HandleResumeReqL(TInt aCallId) = 0;

	}; // class MLtsyDispatchCallControlResume

class MLtsyDispatchCallControlSetDynamicHscsdParams : public MLtsyDispatchInterface

	{

public:

	static const TInt KLtsyDispatchCallControlSetDynamicHscsdParamsApiId = KDispatchCallControlFuncUnitId + 9;

	/**

	 * The CTSY Dispatcher shall invoke this function on receiving the EMobileCallSetDynamicHscsdParams

	 * request from the CTSY.

	 *

	 * It is a request call that is completed by invoking

	 * CCtsyDispatcherCallback::CallbackCallControlSetDynamicHscsdParamsComp()

	 *

	 * Implementation of this interface should set the dynamic HSCSD parameters

	 * of the specified data call.

	 *

	 * @param aCallId The call ID of the data call.

	 *

	 * @param aHscsdParams The requested dynamic HSCSD parameters.

	 *

	 * @return KErrNone on success, otherwise another error code indicating the

	 * failure.

	 *

	 * @see RMobileCall::SetDynamicHscsdParams()

	 */

	virtual TInt HandleSetDynamicHscsdParamsReqL(TInt aCallId, const RMobileCall::TMobileHscsdCallParamsV1& aHscsdParams) = 0;

	}; // class MLtsyDispatchCallControlSetDynamicHscsdParams

class MLtsyDispatchCallControlDialVoice : public MLtsyDispatchInterface

	{

public:

	static const TInt KLtsyDispatchCallControlDialVoiceApiId = KDispatchCallControlFuncUnitId + 10;

	/**

	 * The CTSY Dispatcher shall invoke this function on receiving the EEtelCallDial

	 * request from the CTSY for dialling a voice call.

	 *

	 * It is a request call that is completed by invoking

	 * CCtsyDispatcherCallback::CallbackCallControlDialVoiceComp()

	 *

	 * Implementation of this interface should

	 * dial the requested voice call and complete the callback to indicate

	 * that an attempt to dial the call has been made.  The callback function is used

	 * to indicate the outcome of this attempt to initiate the dialling process.

	 *

	 * @param aCallLine The line to use to dial the call. This parameter can have

	 * one of two possible values RMobilePhone::EAlternateLinePrimary to use the

	 * primary voice line or RMobilePhone::EAlternateLineAuxiliary to use the

	 * auxiliary voice line.

	 *

	 * @param aDialledParty Details about the dialled party including the phone

	 * number to dial.

	 *

	 * @param aCallParamsV1 The call parameters of the call to dial. If aIsIsvCall

	 * is set to ETrue, only the RMobileCall::TMobileCallParamsV1::iIdRestrict

	 * and RMobileCall::TMobileCallParamsV1::iAutoRedial fields are valid.

	 *

	 * @param aIsIsvCall Indicates whether the call originated from a third party

	 * application which would have used the CTelephony class to dial the call.

	 * This information is provided in case the LTSY wishes to do special handling

	 * for third party calls, for example, not allow third party applications to

	 * place emergency calls. See also

	 * MLtsyDispatchCallControlQueryIsEmergencyNumber::HandleQueryIsEmergencyNumberSyncL()

	 * See also: CTelephony::DialNewCall() and RMobileCall::DialISV()

	 *

	 * @param aCallOrigin The origin of the dial request. e.g. Whether the dial

	 * came from an Etel client or the SIM or another source.

	 * 

	 * @param aPerformFdnCheck whether or not an FDN (Fixed Dialling Number) check should be performed.

	 *

	 * @return KErrNone on success; KErrNotSupported if the LTSY does not

	 * support handling of this request or another error code indicating the

	 * failure otherwise.

	 *

	 * @see RCall::Dial()

	 * @see RMobileCall::DialISV()

	 * @see RMobileCall::DialNoFdnCheck()

	 */

	virtual TInt HandleDialVoiceReqL(RMobilePhone::TMobilePhoneALSLine aCallLine, const RMobilePhone::TMobileAddress& aDialledParty, const RMobileCall::TMobileCallParamsV1& aCallParamsV1, TBool aIsIsvCall, RMobileCall::TCallParamOrigin aCallOrigin,

			TBool aPerformFdnCheck) = 0;

	}; // class MLtsyDispatchCallControlDialVoice

class MLtsyDispatchCallControlTransfer : public MLtsyDispatchInterface

	{

public:

	static const TInt KLtsyDispatchCallControlTransferApiId = KDispatchCallControlFuncUnitId + 11;

	/**

	 * The CTSY Dispatcher shall invoke this function on receiving the EMobileCallTransfer

	 * request from the CTSY.

	 *

	 * It is a request call that is completed by invoking

	 * CCtsyDispatcherCallback::CallbackCallControlTransferComp()

	 *

	 * This request should be completed when the request to transfer the call has

	 * been placed.

	 *

	 * Implementation of this interface should transfer the specified held call.

	 * Transferring a call can be requested when there is one held call and another

	 * call either connected or in the ringing state. When the two remote parties

	 * are transferred to each other, the party requesting this operation (us)

	 * drops out of the call.

	 *

	 * @param aHeldCallId Call ID of the call held call to transfer.

	 *

	 * @param aOtherCallId Call ID of the other call to transfer the held call to.

	 * This call is either an incoming call in the ringing state or a connected call.

	 *

	 * @return KErrNone on success, otherwise another error code indicating the

	 * failure.

	 *

	 * @see RMobileCall::Transfer()

	 */

	virtual TInt HandleTransferReqL(TInt aHeldCallId, TInt aOtherCallId) = 0;

	}; // class MLtsyDispatchCallControlTransfer

class MLtsyDispatchCallControlSendDtmfTones : public MLtsyDispatchInterface

	{

public:

	static const TInt KLtsyDispatchCallControlSendDtmfTonesApiId = KDispatchCallControlFuncUnitId + 12;

	/**

	 * The CTSY Dispatcher shall invoke this function on receiving the EMobilePhoneSendDTMFTones

	 * request from the CTSY.

	 *

	 * It is a request call that is completed by invoking

	 * CCtsyDispatcherCallback::CallbackCallControlSendDtmfTonesComp()

	 *

	 * Implementation of this interface should send the specified DTMF string through

	 * the currently active call.

	 *

	 * @param aCallId The Call ID of the call through which the DTMF string will be

	 * sent.

	 *

	 * @param aTones Tones to send through the active call.

	 *

	 * @return KErrNone on success, otherwise another error code indicating the

	 * failure.

	 *

	 * @see RMobilePhone::SendDTMFTones()

	 */

	virtual TInt HandleSendDtmfTonesReqL(TInt aCallId, const TDesC& aTones) = 0;

	}; // class MLtsyDispatchCallControlSendDtmfTones

class MLtsyDispatchCallControlGetIdentityServiceStatus : public MLtsyDispatchInterface

	{

public:

	static const TInt KLtsyDispatchCallControlGetIdentityServiceStatusApiId = KDispatchCallControlFuncUnitId + 13;

	/**

	 * The CTSY Dispatcher shall invoke this function on receiving the EMobilePhoneGetIdentityServiceStatus

	 * request from the CTSY.

	 *

	 * It is a request call that is completed by invoking

	 * CCtsyDispatcherCallback::CallbackCallControlGetIdentityServiceStatusComp()

	 *

	 * Implementation of this interface should request for the status of the

	 * specified identity service such as the Caller ID Presentation Service.

	 *

	 * @param aService The service whose status needs to be retrieved.

	 *

	 * @return KErrNone on success, otherwise another error code indicating the

	 * failure.

	 *

	 * @see RMobilePhone::GetIdentityServiceStatus()

	 */

	virtual TInt HandleGetIdentityServiceStatusReqL(RMobilePhone::TMobilePhoneIdService aService) = 0;

	}; // class MLtsyDispatchCallControlGetIdentityServiceStatus

class MLtsyDispatchCallControlSwap : public MLtsyDispatchInterface

	{

public:

	static const TInt KLtsyDispatchCallControlSwapApiId = KDispatchCallControlFuncUnitId + 14;

	static const TInt KLtsyDispatchCallControlSingleSwapApiId = KDispatchCallControlFuncUnitId + 29;

	/**

	 * The CTSY Dispatcher shall invoke this function on receiving the EMobileCallSwap

	 * request from the CTSY.

	 *

	 * It is a request call that is completed by invoking

	 * CCtsyDispatcherCallback::CallbackCallControlSwapComp()

	 *

	 * This request should be completed when the request to swap two calls has

	 * been placed. One is held and the other connected. The held call becomes connected

	 * (RMobileCall::EStatusConnected) and the connected call becomes held 

	 * (RMobileCall::EStatusHold).

	 *

	 * Implementation of this interface should request that the Licensee TSY

	 * swap the specified calls. Swapping is allowed for one or two active calls.

	 *

	 * @param aCallId The Call ID of the call to swap.

	 *

	 * @return KErrNone on success, otherwise another error code indicating the

	 * failure.

	 *

	 * @see RMobileCall::Swap()

	 */

	virtual TInt HandleSwapReqL(TInt aCallId, TInt aSecondCallId) = 0;

	/**

	 * The CTSY Dispatcher shall invoke this function on receiving the EMobileCallSwap

	 * request, for a single call, from the CTSY.

	 *

	 * It is a request call that is completed by invoking

	 * CCtsyDispatcherCallback::CallbackCallControlSwapComp()

	 *

	 * This request should be completed when the request to swap the single call has

	 * been placed.

	 *

	 * Implementation of this interface should request that the Licensee TSY

	 * swap the specified call. The state of the call will be swapped from held to connected 

	 * (or visa versa)

	 *

	 * @param aCallId The Call ID of the single call to swap.

	 *

	 * @return KErrNone on success, otherwise another error code indicating the

	 * failure.

	 *

	 * @see RMobileCall::Swap()

	 */

	virtual TInt HandleSwapReqL(TInt aCallId) = 0;