1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 /**

    17  @file

    18  @internalTechnology

    19 */

    20 

    21 #ifndef MTPFILEENUMERATOR_H

    22 #define MTPFILEENUMERATOR_H

    23 

    24 #include <e32base.h>

    25 #include <f32file.h>

    26 

    27 #include "rmtpdpsingletons.h"

    28 #include "mtpdebug.h"

    29 #include "rmtpframework.h"

    30 

    31 class MMTPDataProviderFramework;

    32 class MMTPDataProviderFramework;

    33 class MMTPObjectMgr;

    34 class MMTPEnumerationCallback;

    35 class CMTPObjectMetaData;

    36 class CMTPFSExclusionMgr;

    37 

    38 /** 

    39 Defines file enumerator.  Enumerates all files/directories under a specified path or storage

    40 

    41 @internalTechnology

    42 */

    43 class CMTPFSEnumerator : public CActive

    44     {

    45 public:

    46     IMPORT_C static CMTPFSEnumerator* NewL(MMTPDataProviderFramework& aFramework, CMTPFSExclusionMgr& aExclusionMgr, MMTPEnumerationCallback& aCallback, TInt aProcessLimit);

    47     IMPORT_C ~CMTPFSEnumerator();

    48 

    49 	IMPORT_C void StartL(TUint32 aStorageId);	

    50 	

    51 private:

    52 	//from CActive

    53 	void DoCancel();

    54 	void RunL();

    55 	TInt RunError(TInt aError);

    56 	

    57 private:

    58 	CMTPFSEnumerator(MMTPDataProviderFramework& aFramework, CMTPFSExclusionMgr& aExclusionMgr, MMTPEnumerationCallback& aCallback, TInt aProcessLimit);

    59 	void ConstructL();

    60 	

    61 	void ScanDirL();

    62 	void ScanStorageL(TUint32 aStorageId);

    63 	void ScanNextL();

    64 	void ScanNextStorageL();

    65 	void ScanNextSubdirL();

    66 	void ProcessEntriesL();

    67 	void AddEntryL(const TDesC& aPath, TUint32 &aHandle, TMTPFormatCode format, TUint32 aDPId, const TEntry& aEntry);

    68 	void AddFileEntryForOtherDpL(const TDesC& aPath, TUint32 &aHandle, TMTPFormatCode format, TUint32 aDPId, const TEntry& aEntry);

    69 	void NotifyObjectAddToDP(const TUint32 aHandle,const TUint DpId);

    70 	

    71 private: 

    72 	// Owned

    73 	MMTPDataProviderFramework&  iFramework;

    74 	CMTPFSExclusionMgr& 		iExclusionMgr;

    75 	MMTPEnumerationCallback& 	iCallback;

    76 	RMTPDpSingletons			iDpSingletons;

    77 	TUint32 					iParentHandle;

    78 	TParse						iPath;

    79 	RDir						iDir;

    80 	TEntryArray					iEntries;

    81 	TInt						iFirstUnprocessed;

    82 	RArray<TEntry>				iDirStack;

    83 	RArray<TUint>				iStorages;

    84 	TUint32						iStorageId;

    85 	// How many entries should be processed in one go

    86 	TInt 						iProcessLimit;

    87 	CMTPObjectMetaData* 		iObject;

    88 	TUint						iDpID;

    89 	RMTPFramework               iSingletons;

    90 	TBool                       iSkipCurrentStorage;

    91 	/**

    92     FLOGGER debug trace member variable.

    93     */

    94     __FLOG_DECLARATION_MEMBER_MUTABLE;

    95        

    96     };

    97 

    98 #endif // MTPFILEENUMERATOR_H

    99