// Copyright (c) 2006-2009 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:

 //

 /**

  @file

  @publishedAll

  @released

 */

 #ifndef  ECAMDIRECTVIEWFINDER_H

 #define  ECAMDIRECTVIEWFINDER_H

 #include <e32base.h>

 #include <ecam.h>

 #include <ecam/ecamdirectviewfinderuids.hrh>

 class MCameraDirectViewFinder;

 /** 

 UID used to identify the CCameraDirectViewFinder API.

 @see CCamera::CCameraDirectViewFinder

 */

 static const TUid KECamDirectViewFinderUid 	= {KECamDirectViewFinderUidValue};

 /** 

 CCamera direct view finder class is used to provide support for Direct View Finder functionalities like pause/resume.

 @note This class is not intended for sub-classing and used to standardise existing

        varieties of implementations.

 @note   This class features are supposed to be meant for the direct viewfinder started using CCamera methods.

 @note   If the class methods leave, the output type parameter value is not guaranteed to be valid.

 @publishedAll

 @released

 */

 class CCamera::CCameraDirectViewFinder : public CBase

 	{

 	/* so can use internal factory functions etc. */

 	friend class CCamera;

 public:

 	/** Specifies direct viewfinder state. */ 

 	enum TViewFinderState

 		{

 		/** View Finder is activated */  

 		EViewFinderActive, 	 

 		/** View Finder has been paused */

 		EViewFinderPause,	 

 		/** View Finder has been stopped or hasn't yet started. Default state. */

 		EViewFinderInActive

 		};

 public:

 	IMPORT_C static CCameraDirectViewFinder* NewL(CCamera& aOwner);

     IMPORT_C void PauseViewFinderDirectL();

 	IMPORT_C void ResumeViewFinderDirectL();

 	IMPORT_C TViewFinderState ViewFinderState() const;

 	IMPORT_C ~CCameraDirectViewFinder();

 private:

 	CCameraDirectViewFinder(CCamera& aOwner);

 	void ConstructL();

 	void SetImplHandle();

 private:	

 	CCamera&                	iOwner;

 	MCameraDirectViewFinder* 	iImpl;  // not owned

    };		

 #endif // ECAMDIRECTVIEWFINDER_H