--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmsharing/mmshavailability/inc/musavaoptionhandler.h	Fri Jun 11 13:36:18 2010 +0300
@@ -0,0 +1,234 @@
+/*
+* Copyright (c) 2005-2007 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:  Provide interface for the client request in capabilty
+*                availability.
+*
+*/
+
+#ifndef __MUSAVAOPTIONHANDLER_H__
+#define __MUSAVAOPTIONHANDLER_H__
+
+#include <e32base.h>
+#include <badesca.h>
+#include "musavaavailability.h"
+#include "musavaobserver.h"
+#include "musunittesting.h"
+#include "mmusavacapabilityqueryobserver.h"
+
+class CMusAvaSharedObject;
+class MMusAvaAvailabilityObserver;
+class CMusAvaCapabilitySipAgent;
+class CMusAvaCapabilityExchange;
+class CMusAvaCapability;
+class CMusAvaCapabilityQueryBase;
+class CMusAvaSettingsImp;
+
+
+/**
+ *  Implements handling of non-desired SIP invites.
+ *
+ *  Provide interface for the client to availability class.
+ *
+ *  @lib musavailabilityplugin.lib
+ *  @since S60 v3.2
+ */
+class CMusAvaOptionHandler : public CMusAvaAvailability,
+                             public MMusAvaCapabilityQueryObserver
+	{
+public:
+	/**
+     * Two-phased constructor
+     *
+     * @param aObserver Pointer to observer intercase
+     * @param aSettings Availability settings.
+     * @return Returns pointer to CMusAvaInterface object
+     */
+    static CMusAvaOptionHandler* NewL(
+        MMusAvaAvailabilityObserver& aObserver,
+        CMusAvaSettingsImp& aSettings );
+
+	/**
+     * Two-phased constructor
+     *
+     * @param aObserver Pointer to observer intercase
+     * @param aSettings Availability settings.
+     * @return Returns pointer to CMusAvaInterface object
+     */
+	static CMusAvaOptionHandler* NewLC(
+        MMusAvaAvailabilityObserver& aObserver,
+        CMusAvaSettingsImp& aSettings );
+
+	/**
+     * Destructor
+     */
+	~CMusAvaOptionHandler();
+
+protected:
+
+	/**
+     * Constructor
+     *
+     * @since S60 v3.2
+     * @param aObserver Pointer to observer intercase
+     * @param aName availability name
+     * @param aModules is data container
+     */
+
+	CMusAvaOptionHandler(
+	    MMusAvaAvailabilityObserver& aObserver,
+        CMusAvaSettingsImp& aSettings );
+
+	void ConstructL();
+
+    void ConstructCapabilityExchangeL();
+
+    HBufC8* ConstructTerminalIdL();
+
+public: // from base class CMusAvaAvailability
+
+    /**
+     * Executes for the availability.
+     *
+     * @since S60 v3.2
+     * @return KErrNone if ExecutePatternL operation was
+     *         successfully executed; system wide error otherwise
+     */
+    virtual void DoExecuteL();
+
+
+    /**
+     * Stop the execution.
+     *
+     * @since S60 v3.2
+     * @return KErrNone if stop operation was successfully executed;
+     *         system wide error otherwise
+     */
+    virtual void Stop();
+
+    /**
+     * From CMusAvaAvailability.
+     * Returns availability name.
+     *
+     * @return Name of *this* availability.
+     */
+    virtual MMusAvaObserver::TAvailabilityName Name();
+    
+    /**
+    * Invitation has been received.
+    */  
+    virtual void PrepareForReceivedInviteL();
+    
+
+public: // functions from base class MMusAvaCapabilityQueryObserver
+
+    void CapabilitiesResolved( const CMusAvaCapabilityQueryBase& aSentQuery );
+
+    void CapabilitiesResolvedL( const TDesC& aUri );
+
+    void SetCapabilitiesResolvedForCingular();
+
+    TBool CapabilitiesResolvedForCingular();   
+    
+    /**
+     * This is to advertise MMusAvaCapabilityQueryObserver implementors
+     * about sip header change. It is mainly used in below scneraio but could
+     * be used in future if anyother sip headers has to be set.
+     * 
+     * Incase if we receive OPTIONS request already and 
+     * P-Asserted-Identity Header is present then OPTIONS
+     * request should be sent to this ID. This function should be
+     * called to configure this id in CMusAvaSettingsImp& iSettings
+     *
+     * @aHeaders Array of SIP Headers.    
+     * @aHeaderType Type of the header.
+     * Leavs if Array is empty or pointer is NULL.
+     * Ownership Transferred.
+     */
+    void SipHeadersL(const MDesCArray& aHeaders,
+                          SipStrConsts::TStrings aHeaderType);
+
+    /**
+     * Advertise about video codec capabilities     
+     */
+    void VideoCodecsResolvedL( const MDesCArray& aVideoCodecs );
+
+    TBool CapabilityQueryAnswered( TBool aAnswered );
+
+    void FastModeResolved( MusSettingsKeys::TFastMode aMode );
+
+private:
+    
+    /**
+    * Change state.
+    * @param aNewState, proposed new state
+    * @return KErrNone if successfull
+    */
+    TInt DoSetState( MMusAvaObserver::TAvailabilityStatus aNewState );
+    
+    /**
+    * Handle state change in fast mode, state change may be modified
+    * based on fast mode session setup progress.
+    * @param aNewState, proposed new state
+    * @param aCouldNotProceed, ETrue if state change occured because
+    *       couldn't proceed (e.g. missing information)
+    * @return new state to set
+    */
+    MMusAvaObserver::TAvailabilityStatus HandleFastModeL( 
+        MMusAvaObserver::TAvailabilityStatus aNewState );
+    
+    MMusAvaObserver::TAvailabilityStatus HandleFastModeAvailableL(
+        MMusAvaObserver::TAvailabilityStatus aNewState );
+    
+    MMusAvaObserver::TAvailabilityStatus HandleFastModeOptionsNotSentL(
+        MMusAvaObserver::TAvailabilityStatus aNewState );
+    
+    MMusAvaObserver::TAvailabilityStatus HandleFastModeOptionNotAvailableL(
+        MMusAvaObserver::TAvailabilityStatus aNewState );
+    
+    void HandleFastModeQueryAnswered();
+    
+    TBool FastModeNegotiatedByAnswerMT();
+    
+    TBool FastModeNegotiationFailedMO();
+    
+private:
+
+    /**
+     * Reference to availability settings (data store)
+     */
+    CMusAvaSettingsImp&         iSettings;
+
+	/**
+     * Pointer to CMusAvaSharedObject object
+     */
+	CMusAvaSharedObject*        iSharedObj;
+
+    CMusAvaCapabilitySipAgent*  iSipAgent;
+    CMusAvaCapabilityExchange*  iCapabilityExchange;
+    CMusAvaCapability*          iSwisCapability;
+    TBool                       iCapabilitiesRequestAnswered;
+    TBool                       iCapabilityQueryAnswered;
+    
+    TBool                       iFastModeCapable;
+    TBool                       iFastModeAvailabilityDelayed;
+    
+    MUS_UNITTEST ( UT_CMusAvaOptionHandler )
+    MUS_UNITTEST ( UT_CMusAvaCapabilityExchange )
+    MUS_UNITTEST ( UT_CMusAvaCapability )
+    MUS_UNITTEST ( UT_CMusAvaTerminal )
+    MUS_UNITTEST ( UT_CMusAvaCapabilitySipAgent )
+    MUS_UNITTEST ( UT_CMusAvaCapabilityQuery )
+    };
+
+#endif // __MUSAVAOPTIONHANDLER_H__