os/security/contentmgmt/referencedrmagent/contentiterator/EmbeddedcontentIterator.h
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
     1 /*
     2 * Copyright (c) 2004-2010 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_EMBEDDEDCONTENTITERATOR_H__
    27 #define __CAF_EMBEDDEDCONTENTITERATOR_H__
    28 
    29 #include <e32base.h>
    30 
    31 #include "StreamablePtrArray.h"
    32 #include <caf/virtualpathptr.h>
    33 #include "ContentIteratorInterface.h"
    34 
    35 namespace ContentAccess 
    36 	{
    37 	class CContent;
    38 	class CEmbeddedObject;
    39 	class CEmbeddedContentIteratorBase;
    40 
    41 	/** Recursively iterate over all content objects within a file
    42 
    43 	Can be used to find the all content objects inside a given file. A mimetype
    44 	can be specified to return only those objects with the correct mime type
    45 
    46 	@internalComponent
    47 	@released
    48 	*/
    49 	NONSHARABLE_CLASS(CEmbeddedContentIterator): public MContentIterator
    50 		{	
    51 	public:
    52 		/** Create a content iterator for a particular path in the file system
    53 		@param aVirtualPath The file to search inside
    54 		@param aRecursive Whether to explore sub-containers under the given path
    55 		@param aMimeType The mime type to search for. Finds content objects of any mime types if this parameter is omitted
    56 		@leave KErrNotFound If no suitable content objects were found inside the given path
    57 		*/
    58 		static CEmbeddedContentIterator* NewL(const TVirtualPathPtr& aVirtualPath, TBool aRecursive, const TDesC8& aMimeType = KNullDesC8);
    59 
    60 		
    61 		virtual ~CEmbeddedContentIterator();
    62 
    63 		// MContentIterator
    64 		virtual const TDesC& FileName() const;
    65 		virtual const TDesC& UniqueId() const;
    66 		virtual const TDesC& Name() const;
    67 		virtual const TDesC8& MimeType() const;
    68 		virtual TInt Next();
    69 		
    70 		
    71 	private:
    72 		CEmbeddedContentIterator();
    73 		void ConstructL(const TVirtualPathPtr& aVirtualPath, TBool aRecursive, const TDesC8& aMimeType);
    74 
    75 		// Construction parameters (copies)
    76 		CContent* iContent;  // created from virtual path
    77 		TBool iRecursive;
    78 		HBufC8* iMimeType;
    79 		HBufC* iUri;
    80 			
    81 		// Iterator that actually does the work
    82 		CEmbeddedContentIteratorBase* iSubIterator;
    83 		};
    84 
    85 	}
    86 
    87 #endif