/*

* 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

 @internalComponent

 @released

*/

#ifndef __FILECONTENTITERATORBASE_H__

#define __FILECONTENTITERATORBASE_H__

#include <e32base.h>

#include "streamableptrarray.h"

#include "ContentIteratorInterface.h"

#include <caf/virtualpathptr.h>

class CDir;

namespace ContentAccess 

	{

	class CContent;

	class CManager;

	class CEmbeddedObject;

	/** Internal class used to recursively iterate over all files in a path and then

	iterate into all content objects inside each file

	@internalComponent

	@released

	*/

	NONSHARABLE_CLASS(CFileContentIteratorBase) : public MContentIterator

		{

	public:

		virtual ~CFileContentIteratorBase();

		// MContentIterator

		virtual const TDesC& FileName() const;

		virtual const TDesC& UniqueId() const;

		virtual const TDesC& Name() const;

		virtual const TDesC8& MimeType() const;

		virtual TInt Next();

	private:

		// Only ever created by CFileContentIterator

		friend class CFileContentIterator;

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

		@param aPath The path to search under

		@param aRecursive Whether to explore sub-directories 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 CFileContentIteratorBase* NewL(CManager &aManager, const TDesC& aPath, TBool aRecursive, const TDesC8& aMimeType = KNullDesC8);

		CFileContentIteratorBase(CManager& aManager, const TDesC& aPath, TBool aRecursive, const TDesC8& aMimeType);

		void ConstructL();

		// Construction parameters

		CManager& iManager;

		const TDesC& iPath;

		TBool iRecursive;

		const TDesC8& iMimeType;

		MContentIterator* iSubIterator;

		// Index into the directory list

		TInt iDirIndex;

		TInt iFileIndex;

		// List of files and directories inside (iPath)

		CDir* iCurrentDirectoryList;

		CDir* iCurrentFileList;

		// Used to store the path of the subdirectory we are exploring

		HBufC* iNewPath;

		};

	}

#endif