1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/security/contentmgmt/cafstreamingsupport/inc/streamagentinfo.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,117 @@
     1.4 +// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of the License "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +//
    1.18 +
    1.19 +/**
    1.20 + @file
    1.21 + @internalComponent
    1.22 + @released
    1.23 +*/
    1.24 +
    1.25 +#ifndef STREAMAGENTINFO_H
    1.26 +#define STREAMAGENTINFO_H
    1.27 +
    1.28 +#include <e32base.h>
    1.29 +
    1.30 +class CImplementationInformation;
    1.31 +class CSdpMediaField;
    1.32 +
    1.33 +namespace StreamAccess
    1.34 +	{
    1.35 +	
    1.36 +	class CStreamAgentFactory;
    1.37 +	
    1.38 +	/* Stores information regarding a Stream Agent interface plug-in implementation.
    1.39 +	 * 
    1.40 +	 * Registration data from the plug-in's resource file and details about the
    1.41 +	 * agents decryption capabilities are contained so that the stream agents credentials
    1.42 +	 * can be obtained without the need to instantiate an instantce of it. 
    1.43 +	 * 
    1.44 +	 * If an instance of the agent is required, the StreamAgentFactoryL() method provides a
    1.45 +	 * handle to it's factory object.
    1.46 +	 */
    1.47 +	class CStreamAgentInfo : public CBase
    1.48 +		{
    1.49 +	public:
    1.50 +		
    1.51 +		/* Constructs a new instance of CStreamAgentInfo and pushs it onto the cleanup stack
    1.52 +		 * @param aImplementationInfo Contains regristration information relating to the stream 
    1.53 +		 * agent interface implementation 
    1.54 +		 * @return Pointer to the new CStreamAgentInfo object
    1.55 +		 */
    1.56 +		static CStreamAgentInfo* NewLC(const CImplementationInformation& aImplementationInfo);
    1.57 +		
    1.58 +		/* Destructor
    1.59 +		 */
    1.60 +		~CStreamAgentInfo();
    1.61 +		
    1.62 +		/* Returns the name of the stream agent plug-in implementation
    1.63 +		 * @return Name of the steam agent interface implementation
    1.64 +		 */
    1.65 +		const TDesC& Name() const;
    1.66 +		
    1.67 +		/* Returns the implementation UID of the stream agent plug-in DLL
    1.68 +		 * @return Implementation UID of the stream agent plug-in DLL
    1.69 +		 */
    1.70 +		TUid ImplementationUid() const;
    1.71 +		
    1.72 +		/* Determines whether the stream agent is capable of decoding the specified key stream
    1.73 +		 * @param aSdpKeyStream Conatins the metadata for SDP key management scheme of the stream
    1.74 +		 * @return ETrue if the stream agent recognises the SDP format and is able to
    1.75 +		 * decode the key stream
    1.76 +		 * @return EFalse if the stream agent fails to recognise the SDP format or is unable to
    1.77 +		 * decode the key stream
    1.78 +		 */
    1.79 +		TBool IsKeyStreamSupportedL(const CSdpMediaField& aSdpKeyStream) const;
    1.80 +		
    1.81 +		/* Returns a handle to the stream agents factory.
    1.82 +		 * 
    1.83 +		 * The factory is instantiated once and can then be called many times. This method
    1.84 +		 * DOES NOT transfer ownership of the factory to the calling client.
    1.85 +		 * 
    1.86 +		 * @return Reference to the CStreamAgentFactory instance 
    1.87 +		 */
    1.88 +		CStreamAgentFactory& StreamAgentFactory() const;
    1.89 +		
    1.90 +	protected:
    1.91 +	
    1.92 +		/* Constructor
    1.93 +		 */
    1.94 +		CStreamAgentInfo();
    1.95 +				
    1.96 +		/* Second phase of construction for CStreamAgentInfo 
    1.97 +		 * @param aImplementationInfo Contains registration information relating to the stream 
    1.98 +		 * agent interface implementation 
    1.99 +		 */
   1.100 +		void ConstructL(const CImplementationInformation& aImplementationInfo);
   1.101 +		
   1.102 +	private:
   1.103 +		
   1.104 +		/* Name of the stream agent plug-in implementation
   1.105 +		 */
   1.106 +		HBufC* iName;
   1.107 +		
   1.108 +		/* Implementation UID of the stream agent plug-in DLL
   1.109 +		 */
   1.110 +		TUid iImplementationUid;
   1.111 +		
   1.112 +		/* Stream agent factory handle used to generate instances of the agent key stream decoder
   1.113 +		 */
   1.114 +		CStreamAgentFactory* iStreamAgentFactory;
   1.115 +		
   1.116 +		// ECOM session key. This is set by REComSession::CreateImplementationL() during construction
   1.117 +		TUid iEcomKey;	
   1.118 +		};
   1.119 +	} // namespace StreamAccess
   1.120 +#endif /*STREAMAGENTINFO_H*/