/*

* Copyright (c) 2006-2008 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:   CCP reference plug-in implementation.

*

*/

#ifndef CVCCPERFORMER_H

#define CVCCPERFORMER_H

//  INCLUDES

#include <e32base.h>

#include <e32cmn.h> // HBufC

#include <mccpcallobserver.h> //CCP API

#include <mccpcscall.h>//CCP API

#include <cccpcallparameters.h>

#include <cccecallparameters.h>

#include "cconvergedcallprovider.h"

#include "tvccstate.h"

class CVccEngPsPropertyListener;

class CVccEngPsProperty;

class CVccHoTrigger;

class CVccTransferProvider;

/**

* The class acts as a proxy forward the CCE. 

* It forwards the call to the actual MCCP interface implementation 

* and initiates new call if instructed to do the handover.

* 

*  @lib vccperformer.dll

*  @since S60 3.2

* 

*/

class CVccPerformer : public CBase,

                   	  public MCCPCSCall,

                   	  public MCCPCallObserver

    {

public:

 	/*

 	* The c'tor

 	* @param aProviders Array or call providers

 	* @param aState State of the call to be created

 	* @param aVccHoTrigger Reference to handover trigger object

 	* @since S60 3.2

 	*/

    static CVccPerformer* NewL(RPointerArray<CConvergedCallProvider>& aProviders, 

    						   TVccState& aState, CVccHoTrigger& aVccHoTrigger,

    						   TBool aCsOriginated );

    /*

    * dtor

    */

    ~CVccPerformer();

    /**

     * Starts Handover procedure

     * @since S60 3.2

     * @param aValue Type and direction of the possible HO

     * @return void

     */

    void SwitchL( const TInt aValue );

    /**

    * Gets the observer for the call events

    * @since Series60 3.2

    * @return Call event observer 

    */

    MCCPCallObserver* CallObserver();

    /**

    * Makes run-time decision what technology to use for the call

    * @since Series60 3.2

    * @param aParameters Call parameters

    * @param aRecipient Recipient

    * @param aObserver Reference to call observer

    * @return Reference to created call object or leaves with Symbian error code

    */

    MCCPCall* CreatePrimaryCallL(const CCCPCallParameters& aParameters,

                          const TDesC& aRecipient,

                          const MCCPCallObserver& aObserver );

    /**

    * handles incoming call

    * @since Series60 3.2

    * @param aCall Reference to call object

    * @return reference to this object

    */

    MCCPCall* IncomingCall( MCCPCall* aCall );

    /**

    * handles 3rd party mo call

    * @since Series60 3.2

    * @param aCall Reference to call object

    * @return reference to this object

    */

    MCCPCall* MoCall( MCCPCall* aCall );

    /**

    * Gets the actual implementation of the active call

    * @since Series60 3.2

    * @return reference to call object

    */

    MCCPCall* PrimaryCall();

    /**

    * returns cs provider

    * @since Series60 3.2

    * @return reference to CS call provider

    */

    CConvergedCallProvider& CsProvider();

    /**

    * returns ps provider

    * @since Series60 3.2

    * @return reference to PS call provider

    */

    CConvergedCallProvider& PsProvider();

    /**

    * Changing the call object

    * @since Series60 3.2

    * @param aCall Reference to a new call object

    */                                            

    void SetCall( MCCPCall* aCall );                

    /**

    * Changing the call object

    * @since Series60 3.2

    * @param aCall Reference to a new call object

    * leaves with system error code

    */                                            

    void SetCallL( MCCPCall* aCall );                

    /**

    * Releases call

    * @since Series60 3.2

    * @param aCall Call to be removed

    * @return Symbian error code

    */

    TInt ReleaseCall( MCCPCall& aCall );

    /**

    * Informat that the domain has been changed.

    * @since Series60 3.2

    */

    void HandoverReady();           

    /**

    * Creates an implementation for making handover

    * @since Series60 3.2

    * @param aParameters Call parameters

    * @param aRecipient Recipient

    * @param aObserver Reference to call observer

    */

    void CreateSecondaryCallL(const CCCPCallParameters& aParameters,

                               const TDesC& aRecipient,

                               const MCCPCallObserver& aObserver);

    /**

    * Returns created local implementation

    * @since Series60 3.2

    * @return local implementation for hand-over, NULL if not created.

    */                         

    MCCPCall* SecondaryCall();

    /**

    * Updates the current state with the next state

    * @since Series60 3.2

    * @param aState reference to a new call state

    */

    void SetState( TVccState& aState );

    /**

    * Returns current state name

    * @since Series60 3.2

    * @return current state, see state headers for the state names

    */

    TUint StateName() const;

    /**

    * Gets the notifier

    * @since Series60 3.2

    * @return the notifier to be used for the reporting hand-over process

    */

    CVccEngPsProperty& Notifier();

    /**

     * Activates the trigger if call is connected, stops otherwise

     * @since Series60 3.2

     * @param aActivation activate or deactivate trigger

     */

    void ActivateTrigger( TBool aActivation );

    /**

     * PS key is updated via this method, so that UI item is removed from 

     * in call Options menu when needed

     * @since Series60 3.2

     * @param aAllow to show or hide HO option in menu

     */

    void AllowHo( TBool aAllow );

    /**

     * PS key is updated via this method, so that UI item is removed from 

     * in call Options menu when needed

     * @since Series60 3.2

     * @param aAllow to show or hide HO option in menu

     * @leave with system wide error if fails 

     */

    void AllowHoL( TBool aAllow );

    /**

     * Checks own state after conference and starts trigger if state is connected.

     * @since Series60 3.2

     */

    void ConferenceEnded();    

    /**

     * Release secondary call leg, if needed, before calling destructor.

     * @since Series60 3.2

     */

    void ReleaseSecondaryCallLeg();

    /**

     * Save original RemoteParty and RemotePartyName, so that call bubble

     * stays intact also after handover

     */

    void SetRemoteParties();

    /**

     * Finds provider index number from array

     * @param aVoipIndex true if voip index should be searched, false if

     *                   cs index

     * @return index number from which the provider can be found, KErrNotFound

     *         if provider not found from array

     */

    TInt VoipProviderIndex( TBool aVoipIndexWanted );

// from base class MCCPCall    

    /**

    * @see MCCPCall::Answer()

    */

    TInt Answer();

    /**

    * @see MCCPCall::Reject()

    */

    TInt Reject();

    /**

    * @see MCCPCall::Queue()

    */

    TInt Queue();

    /**

    * @see MCCPCall::Dial()

    */

    TInt Dial();

    /**

    * @see MCCPCall::Ringing()

    */

    TInt Ringing();

    /**

    * @see MCCPCall::HangUp()

    */

    TInt HangUp();

    /**

    * @see MCCPCall::Cancel()

    */

    TInt Cancel();

    /**

    * @see MCCPCall::Hold()

    */

    TInt Hold();

    /**

    * @see MCCPCall::Resume()

    */

    TInt Resume();

    /**

    * @see MCCPCall::Swap()

    */

    TInt Swap();

    /**

    * @see MCCPCall::RemoteParty()

    */

    const TDesC& RemoteParty() const;

    /**

    * @see MCCPCall::RemotePartyName()

    */

    const TDesC& RemotePartyName();

    /**

    * @see MCCPCall::DialledParty()

    */

    const TDesC& DialledParty() const;

    /**

    * @see MCCPCall::IsCallForwarded()

    */

    TBool IsCallForwarded() const;

    /**

    * @see MCCPCall::IsMobileOriginated()

    */

    TBool IsMobileOriginated() const;

    /**

    * @see MCCPCall::State()

    */

    MCCPCallObserver::TCCPCallState State() const;

    /**

    * @see MCCPCall::Uid()

    */

    TUid Uid() const;

    /**

    * @see MCCPCall::Caps()

    */

    MCCPCallObserver::TCCPCallControlCaps Caps() const;     

    /**

    * @see MCCPCall::SecureSpecified()

    */

    TBool SecureSpecified() const;

    /**

    * @see MCCPCall::IsSecured()

    */

    TBool IsSecured() const;

    /**

	* @see MCCPCall::SetParameters()

	*/

    void SetParameters( const CCCPCallParameters& aNewParams );

    /**

	* @see MCCPCall::Parameters()

	*/

    const CCCPCallParameters& Parameters() const;

    /**

	* @see MCCPCall::Tone()

    */

    TCCPTone Tone() const;

	/**

	* @see MCCPCall::ForwardProviderL()

	*/

	MCCPForwardProvider* ForwardProviderL( const MCCPForwardObserver& aObserver );

	/**

    * @see MCCPCall::TransferProviderL()

    */

	MCCPTransferProvider* TransferProviderL( const MCCPTransferObserver& aObserver );

    /**

    * @see MCCPCall::AddObserverL()

    */

    void AddObserverL( const MCCPCallObserver& aObserver );

    /**

    * @see MCCPCall::RemoveObserver()

    */

    TInt RemoveObserver( const MCCPCallObserver& aObserver );

//from base class MCCPCSCall

    /**

    * @see MCCPCSCall::Dial()

    */

	TInt Dial( const TDesC8& aCallParams );

    /**

    * @see MCCPCSCall::NoFDNCheck()

    */

	void NoFDNCheck();

    /**

    * @see MCCPCSCall::GetMobileCallInfo()

    */

	TInt GetMobileCallInfo( TDes8& aCallInfo ) const;

    /**

    * @see MCCPCSCall::SwitchAlternatingCall()

    */

	TInt SwitchAlternatingCall();

    /**

    * @see MCCPCSCall::GetMobileDataCallCaps()

    */

	TInt GetMobileDataCallCaps( TDes8& aCaps ) const;

    /**

    * @see MCCPCSCall::LogDialedNumber()

    */

    TBool LogDialedNumber() const;

//from base class MCCPCallObserver

    /**

    * @see MCCPCallObserver::ErrorOccurred()

    */

	void ErrorOccurred( const TCCPError aError, MCCPCall* aCall );

    /**

    * @see MCCPCallObserver::CallStateChanged()

    */

	void CallStateChanged( const MCCPCallObserver::TCCPCallState aState, 

	                       MCCPCall* aCall );

    /**

    * @see MCCPCallObserver::CallStateChangedWithInband()

    */

	void CallStateChangedWithInband( const MCCPCallObserver::TCCPCallState aState,

	                                 MCCPCall* aCall );

    /**

    * @see MCCPCallObserver::CallEventOccurred()

    */

	void CallEventOccurred( const MCCPCallObserver::TCCPCallEvent aEvent, 

	                        MCCPCall* aCall  );

    /**

    * @see MCCPCallObserver::CallCapsChanged()

    */

	void CallCapsChanged( const TUint32 aCapsFlags, MCCPCall* aCall );

private:

    /**

    * constructor.

    */

    CVccPerformer(RPointerArray<CConvergedCallProvider>& aProviders,

    			  TVccState& aState, CVccHoTrigger& aVccHoTrigger,

    			  TBool aCsOriginated);

    /**

    * By default Symbian 2nd phase constructor is private.

    */

    void ConstructL();

       /**

    * Removes SIP-uri from remoteparty number if call is VoIP call

    */

    void ParseRemoteParty();

private: // data

    /**

     * Call provider array

     * Not own

     */

	RPointerArray<CConvergedCallProvider>& iProviders;

    /**

     * actual call implementation, can be changed run-time

     * Own

     */

	MCCPCall* iPrimaryCall; 

    /**

     * actual call implementation, created to perfome a handover

     * Own

     */

	MCCPCall* iSecondaryCall; 

    /**

     * remembering the call observer because it needs to change

     * Not own

     */

	MCCPCallObserver* iCallObs;

    /**

     * for informing the states

     * Own

     */

	CVccEngPsProperty* iVccPsp;

    /**

     * current state in case of the hand-over

     * Own

     */

	TVccState* iCurrentState;

    /**

     * trigger for initiating automatic HOs

     * Not own

     */

	CVccHoTrigger& iVccHoTrigger;

	/**

	 * Originating domain of the call

	 * */

	TBool iCsOriginated;

	/**

	 * Transfer provider for handling call transfer 

	 * Own

	 */

	CVccTransferProvider* iTransferProvider;

	/**