--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmsharing/mmshavailability/inc/musavacapability.h	Fri Jun 11 13:36:18 2010 +0300
@@ -0,0 +1,246 @@
+/*
+* 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:  Capability
+*
+*/
+
+
+#ifndef CMUSAVACAPABILITY_H
+#define CMUSAVACAPABILITY_H
+
+
+#include <e32base.h>    // CBase
+#include <sdpcodecstringconstants.h>
+#include <sdpcodecstringpool.h>
+#include <badesca.h>
+#include "musunittesting.h"
+#include "mussettingskeys.h"
+
+class CMusAvaCapabilityExchange;
+class CSIPServerTransaction;
+class CSIPHeaderBase;
+class CSdpDocument;
+class CSIPAcceptContactHeader;
+class CSdpFmtAttributeField;
+class CSdpAttributeField;
+class CSdpOriginField;
+class CSdpMediaField;
+class RStringF;
+
+#define CAPABILITY_CONTAINS( tagSet, tag ) ( tagSet.Find( tag ) >= KErrNone )
+_LIT8( KCapabilitySwisFeature, "+g.3gpp.cs-voice");
+_LIT8( KCapabilitySwisApplication, "com.gsma.rts");
+_LIT8( KCapabilitySDPAttributeNameType, "type");
+_LIT8( KCapabilitySDPAttributeType, "videolive");
+_LIT8( KCapabilitySDPAttributeCodecH263, "H263-2000" );
+_LIT8( KCapabilitySwisFormatList, "98 96" );
+_LIT8( KCapabilitySwisFormatListH263Only, "96" );
+_LIT8( KCapabilitySDPAttributeCodecH264, "H264" );
+_LIT8( KCapabilitySDPAttributeFastMode, "fastmode" ); //a=keywds:fastmode, see RFC 4566
+
+const TUint64 KCapabilitySDPAttributeClockrate = 90000;
+const TUint64 KCapabilitySDPAttributePayloadType = 96;
+const TUint64 KCapabilitySDPAttributePayloadTypeH264 = 98;
+
+
+/**
+ * Capability
+ *
+ * @lib musavailabilityplugin.dll
+ */
+class CMusAvaCapability : public CBase
+    {
+
+public: // constructors and destructor
+
+    static CMusAvaCapability* NewL( CMusAvaCapabilityExchange& aExchange );
+    virtual ~CMusAvaCapability();
+
+
+protected: // constructors
+
+    CMusAvaCapability( CMusAvaCapabilityExchange& aExchange );
+
+    void ConstructL( );
+
+public: // new functions
+
+    /**
+    * Returns exchance
+    *
+    * @return exchance
+    */
+    CMusAvaCapabilityExchange& Exchange() const;
+
+    /**
+    * Returns feature this capability represents
+    *
+    * @return feature this capability represents
+    */
+    const RStringF& Feature() const;
+
+    /**
+    * Checks if capability supports feature, found
+    * in Accept-Contact header
+    *
+    * @param acceptContact accept contact
+    * @return ETrue, if there is a match
+    */
+    virtual TBool Supports( const CSIPAcceptContactHeader& acceptContact );
+
+    /**
+    * Uses for conrolling capability 
+    *
+    * @return ETrue, if capability is enabled
+    */
+    TBool& Enabled();
+
+    /**
+    * Populates response to query
+    *
+    * @param aQuery query as SIP server transaction
+    * @param aResponseHeaders SIP headers container for response
+    * @param aResponseContent SDP document container for response
+    */
+    virtual void PopulateResponseL( 
+            CSIPServerTransaction& aQuery,
+            RPointerArray<CSIPHeaderBase>& aResponseHeaders,
+            CSdpDocument& aResponseContent );
+            
+
+private: 
+
+    /**
+    * Populates response to query
+    *
+    * @param aResponseContent SDP document container for response
+    */
+    void DoPopulateResponseL( CSdpDocument& aResponseContent );
+
+
+
+public: //static API
+
+                       
+    /**
+     * Creates SDP document
+     *
+     * @param aQuery received query
+     * @return SDP document
+     */
+    static CSdpDocument* ResponseContentLC( 
+                                     const CSIPServerTransaction& aQuery );
+
+    /**
+     * Finds and resolves the codecs from SDP document
+     *
+     * @return the supported media types
+     */
+    static CDesCArrayFlat* ResolveCodecsL( CSdpDocument& aSDP );
+
+    /**
+     * Finds attribute field from SDP document
+     *
+     * @param aAttribute attribute name
+     * @param aSDP SDP document
+     * @return the attribute
+     */
+    static const CSdpAttributeField* Attribute( const RStringF& aAttribute,
+                                                   CSdpDocument& aSDP );
+
+    /**
+     * Finds attribute field from media part in SDP document
+     *
+     * @param aMedia name of the media
+     * @param aAttribute attribute name
+     * @param aSDP SDP document
+     * @return the attribute
+     */
+    static const CSdpAttributeField* Attribute( const RStringF& aMedia,
+                                        const RStringF& aAttribute,
+                                        CSdpDocument& aSDP );
+    
+    /**
+     * Finds fast mode value from the SDP document
+     */
+    static MusSettingsKeys::TFastMode ResolveFastModeL( CSdpDocument& aSdp );
+    
+    /**
+     * Add fast mode related attribute to SDP, if fast mode is supported
+     */
+    static void AddFastModeL( CSdpDocument& aSdp );
+    
+    
+public://new functions
+
+    /**
+    * Adds contact header to response of query
+    *
+    * @param aQuery query as SIP server transaction
+    * @param aResponseHeaders SIP headers container for response
+    */
+    virtual void AddContactHeaderL(
+            CSIPServerTransaction& aQuery,
+            RPointerArray<CSIPHeaderBase>& aResponseHeaders );
+            
+    /**
+     * Creates origin field for sdp
+     *
+     * @param aNetType net type
+     * @param aLocalHost local host
+     * @param aHostType host type
+     * @return origin field 
+     */
+    static CSdpOriginField* OriginFieldL( const RStringF& aNetType,
+                                          const TDesC8& aLocalHost,
+                                          const RStringF& aHostType );
+                                          
+    /**
+     * Creates media line 
+     *
+     * @param aMedia name of the media
+     * @param aFormatList format list
+     * @return media line
+     */
+    CSdpMediaField* MediaLineLC( const RStringF& aMedia, 
+                                 const TDesC8& aFormatList ) const;
+    
+    
+    /**
+     * Creates rtpmap line
+     *
+     * @param aCodec name of coded
+     * @param aPayloadType payload type
+     * @param aClockRate clockrate
+     * @param aParams optional params
+     * @return rtpmap line
+     */
+    static CSdpFmtAttributeField* RtpMapLineLC( const TDesC8& aCodec,
+                                 const TUint64 aPayloadType,
+                                 const TUint64 aClockRate,
+                                 const TDesC8& aParams = KNullDesC8 );
+    
+                                   
+private:
+
+    CMusAvaCapabilityExchange& iExchange;
+    RStringF iFeature;
+    TBool iIsEnabled;
+
+    //for unit testing
+    //MUS_UNITTEST ( UT_ )
+
+    };
+
+#endif // CMUSAVACAPABILITY_H