/*

 * Copyright (c) 2004-2010 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

  @internalComponent

  @released

 */

 #ifndef __CAF_EMBEDDEDCONTENTITERATORBASE_H__

 #define __CAF_EMBEDDEDCONTENTITERATORBASE_H__

 #include <e32base.h>

 #include "StreamablePtrArray.h"

 #include <caf/virtualpathptr.h>

 namespace ContentAccess 

 	{

 	class CContent;

 	class CEmbeddedObject;

 	/** Internal class for recursively searching through a particular content file

 	Only ever created by CContentIteratorBase, CEmbeddedContetnIterator or itself

 	@internalComponent

 	@released

 	*/

 	NONSHARABLE_CLASS(CEmbeddedContentIteratorBase) : public CBase

 		{

 	public:

 		virtual ~CEmbeddedContentIteratorBase();

 		CEmbeddedObject& EmbeddedObject();

 		TInt Next();

 	private:

 		// Only ever created by one of these two or itself

 		friend class CEmbeddedContentIterator;

 		friend class CContentIteratorBase;

 		/** Create a content iterator for a particular path in the file system

 		@param aContent Already set up to look at the container we are interested in

 		@param aRecursive Whether to explore sub-containers under the given path

 		@param aMimeType The mime type to search for. Finds content objects of any mime types if this parameter is omitted

 		@leave KErrNotFound If no suitable content objects were found inside the given path

 		*/

 		static CEmbeddedContentIteratorBase* NewL(CContent& aContent, TBool aRecursive, const TDesC8& aMimeType);

 		CEmbeddedContentIteratorBase(CContent& aContent, TBool aRecursive, const TDesC8& aMimeType );

 		void ConstructL();

 		// Construction parameters

 		CContent& iContent;

 		TBool iRecursive;

 		const TDesC8& iMimeType;

 		// Index into the list of embedded content objects

 		TInt iContentIndex;

 		// Index into the list of embedded container objects

 		TInt iContainerIndex;

 		// Objects inside the current container within the specificed file

 		RStreamablePtrArray<CEmbeddedObject> iEmbeddedContentObjects;

 		// Container Objects inside the current container within the specified file

 		RStreamablePtrArray<CEmbeddedObject> iEmbeddedContainerObjects;

 		// Used for looking inside sub-containers

 		CEmbeddedContentIteratorBase* iSubIterator;

 		};

 	}

 #endif