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/*
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* Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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/**
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@file
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@publishedPartner
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@deprecated
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*/
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#ifndef __CAF_ATTRIBUTE_H__
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#define __CAF_ATTRIBUTE_H__
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#ifndef REMOVE_CAF1
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#include <e32base.h>
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#include <f32file.h>
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#include <caf/caftypes.h>
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namespace ContentAccess
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{
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class CAgentContent;
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class CAgentFactory;
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class CBitset;
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/**
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* Encapsulates the attributes of a piece of content.
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*
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* These attributes will be required by DRM-aware
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* applications in order that they can uphold DRM policies in a
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* well-behaved manner. In general, clients set one or more attributes
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* in the <i>Query</i> set, make a <i>GetL</i> call, and then
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* read the agent's reponse from the <i>Response</i> set.
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*
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* CAttribute is a container for a number of separate
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* ContentAccess::CBitset objects. These individual bitsets contain:
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* -# Queries - what the client is interested in knowing.
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* -# Responses - the answers to the queries.
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* -# Capabilities - which attributes the system is able to support.
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*
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* Access to the bitset operations themselves can be achieved via the
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* ContentAccess::CAttribute::AttributeSetL operation.
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*
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* @publishedPartner
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* @deprecated
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*/
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class CAttribute : public CBase
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{
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public:
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/**
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Constructs a new attribute given an agent and file handle.
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@param aAgentUid The agent Uid
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@param aFile A file handle
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@return The new CAttribute.
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@internalComponent
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@released
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*/
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static CAttribute* NewLC(TUid aAgentUid, RFile& aFile);
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/**
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Constructs a new attribute given an agent and content.
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@param aAgentUid The agent Uid
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@param aURI The pathname of the target content.
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@param aShareMode Optional share mode for opening attributes of this content, defaults to EContentShareReadOnly. This parameter has no effect unless the content is a local file on the device.
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@return The new CAttribute.
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@internalComponent
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@released
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*/
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static CAttribute* NewLC(TUid aAgentUid, const TDesC& aURI, TContentShareMode aShareMode=EContentShareReadOnly);
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#ifdef SYMBIAN_ENABLE_SDP_WMDRM_SUPPORT
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/**
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Constructs a new attribute given an agent and WMDRM header data.
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@param aAgentUid The agent Uid
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@param aHeaderData Header data of WMDRM content
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@return The new CAttribute.
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@internalComponent
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@released
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*/
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static CAttribute* NewLC(TUid aAgentUid, const TDesC8& aHeaderData);
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#endif //SYMBIAN_ENABLE_SDP_WMDRM_SUPPORT
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virtual ~CAttribute();
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/**
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* Returns a reference to the query set
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*
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* The bits of the query-set should be set or cleared prior to the "GetL()"
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* call to specify which attributes the client is interested in.
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*
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* @note Set is probably best used inline to access some of the
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* CBitset operations directly.
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* @code
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* // Set EIsProtected in the Query set.
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* MyAttr->QuerySet(EQuerySet).Set(EIsProtected);
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* @endcode
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*
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* @return A CBitset refererence.
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*/
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IMPORT_C CBitset& QuerySet();
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/**
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* Returns a reference to the response set.
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*
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* The response set will only be valid after a call to the "GetL()" operation.
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*
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* @return A CBitset refererence.
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*/
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IMPORT_C const CBitset& ResponseSet() const;
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/**
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* Resets the attribute object completely.
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*/
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IMPORT_C void Reset();
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/**
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* Delivers the attribute object to the relevant agent for
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* querying.
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*
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* The agent will set or reset the ResponseSet() bits for any QuerySet() bits
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* that are set
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*/
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IMPORT_C void GetL();
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private:
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void ConstructL(TUid aAgentUid, RFile& aFile);
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void ConstructL(TUid aAgentUid, const TDesC& aURI, TContentShareMode aShareMode=EContentShareReadOnly);
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#ifdef SYMBIAN_ENABLE_SDP_WMDRM_SUPPORT
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void ConstructL(TUid aAgentUid, const TDesC8& aHeaderData);
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#endif //SYMBIAN_ENABLE_SDP_WMDRM_SUPPORT
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CAttribute();
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private:
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/** The real object used to retrieve attributes. */
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CAgentContent* iAgentContent;
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CAgentFactory* iAgentFactory;
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CBitset* iQuerySet;
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CBitset* iResponseSet;
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};
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}
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#endif // REMOVE_CAF1
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#endif // __ATTRIBUTE_H__
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