sl@0: /*
sl@0: * Copyright (c) 2004-2010 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of the License "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description: 
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: /**
sl@0:  @file
sl@0:  @internalComponent
sl@0:  @released
sl@0: */
sl@0: 
sl@0: 
sl@0: #ifndef __CAF_EMBEDDEDCONTENTITERATORBASE_H__
sl@0: #define __CAF_EMBEDDEDCONTENTITERATORBASE_H__
sl@0: 
sl@0: #include <e32base.h>
sl@0: 
sl@0: #include "StreamablePtrArray.h"
sl@0: #include <caf/virtualpathptr.h>
sl@0: 
sl@0: namespace ContentAccess 
sl@0: 	{
sl@0: 	class CContent;
sl@0: 	class CEmbeddedObject;
sl@0: 
sl@0: 
sl@0: 	/** Internal class for recursively searching through a particular content file
sl@0: 
sl@0: 	Only ever created by CContentIteratorBase, CEmbeddedContetnIterator or itself
sl@0: 
sl@0: 	@internalComponent
sl@0: 	@released
sl@0: 	*/
sl@0: 	NONSHARABLE_CLASS(CEmbeddedContentIteratorBase) : public CBase
sl@0: 		{
sl@0: 	public:
sl@0: 		virtual ~CEmbeddedContentIteratorBase();
sl@0: 
sl@0: 		CEmbeddedObject& EmbeddedObject();
sl@0: 		TInt Next();
sl@0: 
sl@0: 	private:
sl@0: 		// Only ever created by one of these two or itself
sl@0: 		friend class CEmbeddedContentIterator;
sl@0: 		friend class CContentIteratorBase;
sl@0: 
sl@0: 		/** Create a content iterator for a particular path in the file system
sl@0: 		@param aContent Already set up to look at the container we are interested in
sl@0: 		@param aRecursive Whether to explore sub-containers under the given path
sl@0: 		@param aMimeType The mime type to search for. Finds content objects of any mime types if this parameter is omitted
sl@0: 		@leave KErrNotFound If no suitable content objects were found inside the given path
sl@0: 		*/
sl@0: 		static CEmbeddedContentIteratorBase* NewL(CContent& aContent, TBool aRecursive, const TDesC8& aMimeType);
sl@0: 
sl@0: 		CEmbeddedContentIteratorBase(CContent& aContent, TBool aRecursive, const TDesC8& aMimeType );
sl@0: 		void ConstructL();
sl@0: 
sl@0: 		// Construction parameters
sl@0: 		CContent& iContent;
sl@0: 		TBool iRecursive;
sl@0: 		const TDesC8& iMimeType;
sl@0: 
sl@0: 		// Index into the list of embedded content objects
sl@0: 		TInt iContentIndex;
sl@0: 		
sl@0: 		// Index into the list of embedded container objects
sl@0: 		TInt iContainerIndex;
sl@0: 		
sl@0: 		// Objects inside the current container within the specificed file
sl@0: 		RStreamablePtrArray<CEmbeddedObject> iEmbeddedContentObjects;
sl@0: 
sl@0: 		// Container Objects inside the current container within the specified file
sl@0: 		RStreamablePtrArray<CEmbeddedObject> iEmbeddedContainerObjects;
sl@0: 
sl@0: 		// Used for looking inside sub-containers
sl@0: 		CEmbeddedContentIteratorBase* iSubIterator;
sl@0: 		};
sl@0: 
sl@0: 
sl@0: 	}
sl@0: 
sl@0: #endif