// Copyright (c) 1999-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// which accompanies this distribution, and is available

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

#ifndef __MSVFTEXT_H__

#define __MSVFTEXT_H__

#include <e32base.h>

#include <mentact.h>

#include <mtclbase.h>

#include <mtmdef.h>

class CRichText;

class CMsvFindText : public CMsgActive

/** A utility class which searches through given plain text or rich text for a 

specified text string.

The class is an active object and searching can be done synchronously or asynchronously. 

An instance of this class can be re-used to perform multiple searches for 

text. 

@publishedAll

@released

*/

	{

public:

	IMPORT_C static CMsvFindText* NewLC(TInt aPriority = EPriorityStandard);

	IMPORT_C static CMsvFindText* NewL(TInt aPriority = EPriorityStandard);

	IMPORT_C ~CMsvFindText();

	//

	IMPORT_C void FindTextL(const TDesC& aFind, const TDesC& aSource, TMsvPartList aFlags, TRequestStatus& aStatus);

	IMPORT_C void FindRichTextL(const TDesC& aFind, const CRichText& aSource, TMsvPartList aFlags, TRequestStatus& aStatus);

	//

	IMPORT_C TBool FindTextL(const TDesC& aFind, const TDesC& aSource, TMsvPartList aFlags);

	IMPORT_C TBool FindRichTextL(const TDesC& aFind, const CRichText& aSource, TMsvPartList aFlags);

	//

	inline TBool FoundText() const;

	//

private:

	CMsvFindText(TInt aPriority);

	//

	void InitialiseL(const TDesC& aFind, const TDesC* aPlainSource, const CRichText* aRichSource, TMsvPartList aFlags);

	void DoFindAsyncL(TRequestStatus& aStatus);

	void DoComplete(TInt&);

	TBool DoFindSyncL();

	TBool DoFindStepL();

	TBool DoFindTextL();

	void DoRunL();

	void Check();

	//

private:

	HBufC* iBuf;

	HBufC* iFind;

	TInt iSourcePos;

	TInt iMaxRead;

	TInt iSourceLen;

	const CRichText* iRichText;

	const TDesC* iPlainText;

	TMsvPartList iFlags;

	TChar iPreChar;

	TChar iPostChar;

	TBool iFoundText;

	};

#include <msvftext.inl>

#endif