/*

* 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:

*

*/

#ifndef CMMLINETSY_H

#define CMMLINETSY_H

//  INCLUDES

#include <et_tsy.h>

#include <et_phone.h>

#include <etelmm.h>

// FORWARD DECLARATIONS

class CMmPhoneTsy;

class CMmCallTsy;

class CMmTsyReqHandleStore;

class CMmMessageManagerBase;

class CMmDataPackage;

class MLtsyFactoryBase;

// CLASS DECLARATION

/**

 * CMmLineTsy implements mode independent Line based functionality (defined by

 * Symbian

 */

NONSHARABLE_CLASS( CMmLineTsy ) : public CLineBase

    {

    public: // Enumerations

        /**Enumeration for request handle types*/

        enum TLineRequestTypes

            { 

            EMultimodeLineReqHandleUnknown, //0

            EMultimodeLineNotifyIncomingCall, 

            EMultimodeLineNotifyStatusChange,

            EMultimodeLineNotifyCallAdded,

            EMultimodeLineCapsChangeNotification,

            EMultimodeLineMobileLineStatusChange, //5

            // NOTE!: Declare constant for those requests that need

            // own request handle record in iTsyReqHandleStore above the

            // following!

            EMultimodeLineMaxNumOfRequests

            };

    public:  // Constructors and destructor

        /**

        * Destructor.

        */

        virtual ~CMmLineTsy();

        // New functions

        /**

         * This method is used for notifying a client about an incoming call.

         *          

         *

         * @param aDataPackage Package containing information about the 

         * incoming call

         */

        virtual void CompleteNotifyIncomingCall( 

            CMmDataPackage* aDataPackage ) = 0;

        /**

         * This method is used for notifying a line of a call entering 

         * Dialling state

         *          

         *

         * @param aDataPackage Package containing information about the call

         */

        virtual void CompleteNotifyDiallingStatus( 

            CMmDataPackage* aDataPackage ) = 0;

        /**

         * This method is used for notifying a client that a 

         * call has been added

         *          

         *

         * to the line.

         * @param aName Name of the call added to this line

         */

        void CompleteNotifyCallAdded( const TDesC& aName );

        /**

         * This method is used to notify a client about a line status change

         *          

         *

         */

        virtual void CompleteNotifyStatusChange();

        /**

         * Returns current line mode

         *          

         *

         * @return Line mode

         */

        RMobilePhone::TMobileService LineMode() const;

        /**

         * Returns current line name

         *          

         *

         * @return Line name

         */

        TName LineName() const;

        /**

         * Returns current line information

         *          

         *

         * @return Line information

         */

        RPhone::TLineInfo LineInfo() const;

        /**

         * Decrements counter containing information about the number of calls 

         * opened from this line

         *          

         *

         */

        void DecrementNumberOfCalls();

        /**

         * Notifies Line object about a new MO call that has been initiated

         * bypassing TSY

         *          

         *

         * @param aDataPackage Information about the call

         */

        void CompleteNotifyAddBypassingCall( CMmDataPackage* aDataPackage ); 

        // Functions from base classes

        /**

         * Dispatches Multimode API functions calls

         *          

         *

         * @param aTsyReqHandle TSY request handle

         * @param aIpc IPC number of the request

         * @param aPackage Packaged request parameters

         * @return Result of the request

         */

        TInt ExtFunc( 

                const TTsyReqHandle aTsyReqHandle, 

                const TInt aIpc, 

                const TDataPackage& aPackage );

        /**

         * This function opens a requested line.

         *          

         *

         * @param aName Name of the call to be opened.

         * @return Call object that was opened.

         */

        CTelObject* OpenNewObjectByNameL( const TDesC& aName );

        /**

         * This function creates a new name for a call and opens a new call.

         *          

         * 

         * @param aName Name of the new call.

         * @return Call object that was opened.

         */

        virtual CTelObject* OpenNewObjectL( TDes& aNewName ) = 0;

        /**

         * Returns request mode for a given IPC.

         *          

         *

         * @param aIpc: IPC number

         * @return Request mode for the given IPC

         */

        CTelObject::TReqMode ReqModeL( const TInt aIpc );

        /**

         * Cancels request that's IPC number and request handle are given as

         * parameters

         *          

         *

         * @param aIpc IPC number of the cancelled request

         * @param aTsyReqHandle TSY request handle of the cancelled request

         * @return Result of the request

         */

        TInt CancelService( const TInt aIpc, 

            const TTsyReqHandle aTsyReqHandle );

        /**

         * Register a notification by IPC number.

         *          

         *

         * @param aIpc IPC number of the request.

         * @return Result of the request

         */

        TInt RegisterNotification( const TInt aIpc );

        /**

         * Deregisters a given notification

         *          

         *

         * @param aIpc IPC number of the request

         * @return Result of the request

         */

        TInt DeregisterNotification( const TInt aIpc );

        /**

         * Returns number of slots to be used for a given IPC

         *          

         *

         * @param aIpc IPC number of the request

         * @return Number of slots for the given IPC

         */

        TInt NumberOfSlotsL( const TInt aIpc );

        /**

         * Returns the number of calls opened from this line.

         *          

         *

         * @param aTsyReqHandle: TSY request handle

         * @param aCount: Number of calls opened from this line

         * @return Return value to the ETel Server

         */

        TInt EnumerateCall( const TTsyReqHandle aTsyReqHandle, 

            TInt* aCount );

        /**

         * This function retrieves the current line information.

         *          

         *

         * @param aTsyReqHandle TSY Request handle

         * @param aLineInfo Current line information

         * @return Return value to the ETel Server 

         */

        TInt GetInfo( const TTsyReqHandle aTsyReqHandle, 

            RLine::TLineInfo* aLineInfo );

        /**

         * This function retrieves the current line capabilities.

         *           

         *

         * @param aTsyReqHandle TSY request handle

         * @param aCaps Current line capabilities

         * @return Return value to the ETel Server

         */

        TInt GetCaps( const TTsyReqHandle aTsyReqHandle, 

            RLine::TCaps* aCaps );

        /**

         * This function returns core line status information.

         *          

         *

         * @param aTsyReqHandle TSY request handle

         * @param aStatus Current line status

         * @return Return value to the ETel Server

         */

        TInt GetStatus( const TTsyReqHandle aTsyReqHandle, 

            RCall::TStatus* aStatus );

        /**

         * This function returns information about a call.

         *          

         *

         * @param aTsyReqHandle TSY request handle

         * @param aCallInfo Call ínformation

         * @return Return value to the ETel Server

         */

        TInt GetCallInfo( 

                const TTsyReqHandle aTsyReqHandle, 

                TCallInfoIndex* aCallInfo );

        /**

         * Used for subscribing a notification in a line status change.

         *          

         *

         * @param aTsyReqHandle TSY request handle

         * @param aLineStatus New status of this line

         * @return Return value to the ETel Server

         */

        TInt NotifyStatusChange( const TTsyReqHandle aTsyReqHandle,

            RCall::TStatus* aLineStatus );

        /**

         * Cancels line status notifications.

         *          

         *

         * @param aTsyReqHandle TSY request handle

         * @return Return value to the ETel Server

         */

        TInt NotifyStatusChangeCancel( 

            const TTsyReqHandle aTsyReqHandle );

        /**

         * This method retrieves the current hook status.

         *          

         *

         * @param aTsyReqHandle TSY request handle

         * @param aHookStatus Hook status

         * @return Return value to the ETel Server

         */        

        TInt GetHookStatus( const TTsyReqHandle aTsyReqHandle,

            RCall::THookStatus* /*aHookStatus*/ );

        /**

         * Notify when hook status has changed

         *          

         *

         * @param aTsyReqHandle TSY request handle

         * @param aHookStatus Hook status

         * @return Return value to the ETel Server

         */

        TInt NotifyHookChange( const TTsyReqHandle aTsyReqHandle,

            RCall::THookStatus* /*aHookStatus*/ );

        /**

         * Cancels hook status change notifications

         *          

         *

         * @param aTsyReqHandle TSY request handle

         * @return Return value to the ETel Server

         */

        TInt NotifyHookChangeCancel( 

            const TTsyReqHandle aTsyReqHandle );

        /**

         * This method provides notification of a change in the line 

         * capabilities.

         *          

         *

         * @param aTsyReqHandle TSY request handle

         * @param aCaps New capabilities of this line

         * @return Return value to the ETel Server

         */

        TInt NotifyCapsChange( const TTsyReqHandle aTsyReqHandle, 

            RLine::TCaps* aCaps );

        /**

         * This method cancels line capabilities change notification 

         * request.

         *          

         *

         * @param aTsyReqHandle TSY request handle

         * @return Return value to the ETel Server

         */

        TInt NotifyCapsChangeCancel( 

            const TTsyReqHandle aTsyReqHandle );

        /**

         * This method is used for notifyinf a client when an incoming call is 

         * detected.

         *          

         *

         * @param aTsyReqHandle TSY request handle

         * @param aName Name of the incoming call

         * @return Return value to the ETel Server

         */

        virtual TInt NotifyIncomingCall( const TTsyReqHandle aTsyReqHandle,

            TName* aName );

        /**

         * This method cancels an outstanding incoming call notification.

         *          

         *

         * @param aTsyReqHandle TSY request handle

         * @return Return value to the ETel Server

         */

        TInt NotifyIncomingCallCancel( 

            const TTsyReqHandle aTsyReqHandle );

        /**

         * This method provides a notification that a new call has been added to

         * the line.

         *

         * @param aTsyReqHandle TSY request handle

         * @param aName The name of the added call

         * @return Return value to the ETel Server

         */

        TInt NotifyCallAdded( const TTsyReqHandle aTsyReqHandle, 

            TName* aName );

        /**

         * This method cancels an outstanding new call added notification 

         * request.

         *          

         *

         * @param aTsyReqHandle TSY request handle

         * @return Return value to the ETel Server

         */

        TInt NotifyCallAddedCancel( const TTsyReqHandle aTsyReqHandle );

#ifdef TF_LOGGING_ENABLED     

        /**

         * Overloads original ReqCompleted for logging purposes

         *          

         *

         * @param aTsyReqHandle TSY request handle

         * @param aError Result

         */

        virtual void ReqCompleted(const TTsyReqHandle aTsyReqHandle,

            const TInt aError);

#endif

    protected:  // Constructors and destructor

        /**

         * C++ default constructor.

         */

        CMmLineTsy();

        /**

         * By default Symbian 2nd phase constructor is private.

         */

        void ConstructL();

        // New functions

        /**

         * Returns the current status of the line

         *          

         *

         * @param aTsyReqHandle TSY request handle

         * @param aStatus Mobile line status

         * @return Return value to the ETel Server

         */

        TInt GetMobileLineStatus( const TTsyReqHandle aTsyReqHandle,

            RMobileCall::TMobileCallStatus* aStatus );

        /**

         * Allows a client to be notified when the mobile line changes state.

         *          

         *

         * @param aStatus New mobile status of a line

         * @return Return value to the ETel Server

         */

        TInt NotifyMobileLineStatusChange( 

            RMobileCall::TMobileCallStatus* aStatus );

        /**

         * Cancels an outstanding asynchronous NotifyMobileLineStatusChange 

         * request.

         *          

         *

         * @param aTsyReqHandle TSY request handle

         * @return Return value to the ETel Server

         */

        TInt NotifyMobileLineStatusChangeCancel( 

            const TTsyReqHandle aTsyReqHandle );

        /**

         * Handles extended client requests. 

         *          

         *

         * @param aTsyReqHandle TSY request handle

         * @param aIpc IPC number of the request

         * @param aPackage Packaged request parameters

         * @return Result of the request

         */

        TInt DoExtFuncL( const TTsyReqHandle aTsyReqHandle, const TInt aIpc, 

            const TDataPackage& aPackage );

        /**

         * Creates a call object for the call that has been initiated bypassing 

         * TSY

         *          

         *

         * @param aCallId: Call id of the new call

         * @param aCallMode: Call mode

         * @param aCallStatus: Call status

         * @return Pointer to created call object

         */

        virtual CMmCallTsy* CreateGhostCallObject(

            TInt aCallId,

            RMobilePhone::TMobileService aCallMode,

            RMobileCall::TMobileCallStatus aCallStatus ) = 0;

        /**

         * Initialises miscellaneous internal attributes

         *          

         *

         */

        virtual void InitInternalAttributesL();

        /**

         * Returns the preallocated Call object for incoming call or creates a 

         * new one

         *          

         *

         * @return Pointer to the call object for incoming call

         */

        CMmCallTsy* CallObjectForIncomingCall();

        /**

         * Creates and stores a Call object for incoming call

         *          

         *

         * @return TInt Success/failure value

         */

        virtual TInt CreateCallObjectForIncomingCall() = 0;

        /**

         * Creates a new name for a call.

         *          

         *

         * @param aNewName On return contains the new call name

         * @return Success/failure value

         */

        TInt CreateNewCallName( TDes& aNewName );

        /**

         * Returns the sequence number of the call created from this line.

         *          

         *