1 /*

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

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 

    19 /**

    20  @file

    21  @internalComponent

    22  @released

    23 */

    24 

    25 

    26 #ifndef __CAF_EMBEDDEDCONTENTITERATORBASE_H__

    27 #define __CAF_EMBEDDEDCONTENTITERATORBASE_H__

    28 

    29 #include <e32base.h>

    30 

    31 #include "streamableptrarray.h"

    32 #include <caf/virtualpathptr.h>

    33 

    34 namespace ContentAccess 

    35 	{

    36 	class CContent;

    37 	class CEmbeddedObject;

    38 

    39 

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

    41 

    42 	Only ever created by CContentIteratorBase, CEmbeddedContetnIterator or itself

    43 

    44 	@internalComponent

    45 	@released

    46 	*/

    47 	NONSHARABLE_CLASS(CEmbeddedContentIteratorBase) : public CBase

    48 		{

    49 	public:

    50 		virtual ~CEmbeddedContentIteratorBase();

    51 

    52 		CEmbeddedObject& EmbeddedObject();

    53 		TInt Next();

    54 

    55 	private:

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

    57 		friend class CEmbeddedContentIterator;

    58 		friend class CContentIteratorBase;

    59 

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

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

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

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

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

    65 		*/

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

    67 

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

    69 		void ConstructL();

    70 

    71 		// Construction parameters

    72 		CContent& iContent;

    73 		TBool iRecursive;

    74 		const TDesC8& iMimeType;

    75 

    76 		// Index into the list of embedded content objects

    77 		TInt iContentIndex;

    78 		

    79 		// Index into the list of embedded container objects

    80 		TInt iContainerIndex;

    81 		

    82 		// Objects inside the current container within the specificed file

    83 		RStreamablePtrArray<CEmbeddedObject> iEmbeddedContentObjects;

    84 

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

    86 		RStreamablePtrArray<CEmbeddedObject> iEmbeddedContainerObjects;

    87 

    88 		// Used for looking inside sub-containers

    89 		CEmbeddedContentIteratorBase* iSubIterator;

    90 		};

    91 

    92 

    93 	}

    94 

    95 #endif