/*

* Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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: 

*

*/

/**

 @file

 @released

*/

#ifndef __EMBEDDEDOBJECT_H__

#define __EMBEDDEDOBJECT_H__

#include <apmstd.h>

#include <caf/virtualpath.h>

#include <caf/caftypes.h>

namespace ContentAccess

	{

	/** Represents a content object embedded within a file

	The agent defined uniqueId field describes the location of the object within 

	the file.

	*/

	class CEmbeddedObject : public CBase

		{

	public:

		/** Create a new CEmbeddedObject with a different name and uniqueId

		@param aUniqueId The UniqueId of the embedded object

		@param aName A user friendly name for the object

		@param aMimeType The mime type of the object (if it not a container object)

		@param aType The type of object (Content, container, agentspecific etc)

		@return a CEmbeddedObject

		*/

		IMPORT_C static CEmbeddedObject* NewL(const TDesC& aUniqueId, const TDesC& aName, const TDesC8& aMimeType, TEmbeddedType aType);

		/** Create a new CEmbeddedObject where the Name field is the same as the uniqueId

		@param aUniqueId The UniqueId of the embedded object

		@param aMimeType The mime type of the object (if it not a container object)

		@param aType The type of object (Content, container, agentspecific etc)

		@return a CEmbeddedObject

		*/

		IMPORT_C static CEmbeddedObject* NewL(const TDesC& aUniqueId, const TDesC8& aMimeType, TEmbeddedType aType);

		/** Create a new CEmbeddedObject from a stream 

		@param aStream The stream to read the CEmbeddedObject from

		@return a CEmbeddedObject

		*/

		IMPORT_C static CEmbeddedObject* NewL(RReadStream& aStream);

		/** destructor */

		virtual ~CEmbeddedObject();

		/** The agent defined UniqueId 

		@return The uniqueId

		*/

		IMPORT_C const TDesC& UniqueId() const;

		/** User friendly name of the object 

		@return The name of the object

		*/

		IMPORT_C const TDesC& Name() const;

		/** The type of object 

		@return The type

		*/

		IMPORT_C TEmbeddedType Type() const;	

		/** Mime type of the object

		@return The mime type of the object or KNullDesC8() if this is a container object

		*/

		IMPORT_C const TDesC8& MimeType() const;

		/** Allow the class write itself out to a stream 

		@param aStream The stream to write to

		*/ 

		IMPORT_C void ExternalizeL(RWriteStream& aStream) const;

	private:

		CEmbeddedObject(TEmbeddedType aType);

		void ConstructL(const TDesC& aUniqueId, const TDesC& aName, const TDesC8& aMimeType);

		void InternalizeL(RReadStream& aStream);

	private:

		TEmbeddedType iType;

		HBufC* iUniqueId;

		HBufC* iName;

		TBuf8 <KMaxDataTypeLength> iMimeType;

		};

	} // namespace ContentAccess

#endif