// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "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:

// aplappregfinder.h

//

#ifndef __APLAPPREGFINDER_H__

#define __APLAPPREGFINDER_H__

#include <f32file.h>

#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS

#include "apsidcheckermap.h"

#else

#include <apsidchecker.h>

#endif //SYMBIAN_ENABLE_SPLIT_HEADERS

#include <badesca.h>		// typedef CDesCArray

class TDriveUnitInfo;

class TApaAppEntry;

/**

@internalComponent

*/

class CApaAppRegFinder : public CBase

	{

public: // Construction / Destruction

	IMPORT_C static CApaAppRegFinder* NewL(const RFs& aFs);

	IMPORT_C static CApaAppRegFinder* NewLC(const RFs& aFs);

	~CApaAppRegFinder();

private: // Private construction

	CApaAppRegFinder(const RFs& aFs);

	void ConstructL();

public:

	enum TScanScope

		{

		EScanAllDrives,

		EScanRemovableDrives

		};	

	IMPORT_C void FindAllAppsL(TScanScope aScopeOfScan); // sets up a scan for all apps

	IMPORT_C TBool NextL(TApaAppEntry& aEntry, const CDesCArray& aForcedRegistrations); // increments a scan for all apps

	IMPORT_C TArray<const TDriveUnitInfo> DriveList() const;

private:		

	void RebuildDriveListL(TScanScope aScopeOfScan);

	TBool NextDriveAndFolderInNormalizedOrder(TDriveUnitInfo& aNextDrive, TPtrC& aAppFolderOnDrive) const;

	void GetCurrentDriveAndFolder(TDriveUnitInfo& aDrive, TPtrC& aAppFolderOnDrive) const;

	TInt GetAppListOfDriveL(TDriveUnit aDriveUnit, const TDesC& aPathName, CDir*& aFileList) const;

	static void LeaveIfIrregularErrorL(TInt aError);

private:

	enum TScanStage

		{

		EScanStageNonImportROM,

		EScanStageImportNonROM, 

		EScanStageImportNonNativeResourceNonROM,

		EScanStageImportROM,

		EScanStageImportNonNativeResourceROM,

		EScanStageComplete

		};

private:

	CDir* iFileList;

	TInt iFileIndex;

	const RFs& iFs;

	RSidCheckerMap iSidCheckerMap;

	RArray<const TDriveUnitInfo> iListOfDrives;

	mutable TInt iCurrentIndexInDriveList;

	mutable TInt iScanStage;

	mutable TPtrC iFolderOnCurrentDrive;

	TUid iLastChkedApp; //Uid of the last app whose sid cheking has been done.

	};

NONSHARABLE_CLASS(TDriveUnitInfo)

	{

public:

	TDriveUnit iUnit; 

	TUint iAttribs;

	};

#endif // __APLAPPREGFINDER_H__