sl@0: // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: /**
sl@0:  @file
sl@0:  @publishedAll
sl@0:  @released
sl@0: */
sl@0: #ifndef  ECAMDIRECTVIEWFINDER_H
sl@0: #define  ECAMDIRECTVIEWFINDER_H
sl@0: 
sl@0: #include <e32base.h>
sl@0: #include <ecam.h>
sl@0: #include <ecam/ecamdirectviewfinderuids.hrh>
sl@0: 
sl@0: class MCameraDirectViewFinder;
sl@0: 
sl@0: /** 
sl@0: UID used to identify the CCameraDirectViewFinder API.
sl@0: 
sl@0: @see CCamera::CCameraDirectViewFinder
sl@0: */
sl@0: static const TUid KECamDirectViewFinderUid 	= {KECamDirectViewFinderUidValue};
sl@0: 
sl@0: /** 
sl@0: CCamera direct view finder class is used to provide support for Direct View Finder functionalities like pause/resume.
sl@0: 
sl@0: @note This class is not intended for sub-classing and used to standardise existing
sl@0:        varieties of implementations.
sl@0: 
sl@0: @note   This class features are supposed to be meant for the direct viewfinder started using CCamera methods.
sl@0: 
sl@0: @note   If the class methods leave, the output type parameter value is not guaranteed to be valid.
sl@0: 
sl@0: @publishedAll
sl@0: @released
sl@0: */
sl@0: class CCamera::CCameraDirectViewFinder : public CBase
sl@0: 	{
sl@0: 	/* so can use internal factory functions etc. */
sl@0: 	friend class CCamera;
sl@0: 
sl@0: public:
sl@0:    
sl@0: 	/** Specifies direct viewfinder state. */ 
sl@0: 	enum TViewFinderState
sl@0: 		{
sl@0: 		/** View Finder is activated */  
sl@0: 		EViewFinderActive, 	 
sl@0: 		/** View Finder has been paused */
sl@0: 		EViewFinderPause,	 
sl@0: 		/** View Finder has been stopped or hasn't yet started. Default state. */
sl@0: 		EViewFinderInActive
sl@0: 		};
sl@0: 	
sl@0: public:
sl@0: 
sl@0: 	IMPORT_C static CCameraDirectViewFinder* NewL(CCamera& aOwner);
sl@0: 
sl@0:     IMPORT_C void PauseViewFinderDirectL();
sl@0: 	IMPORT_C void ResumeViewFinderDirectL();
sl@0: 	IMPORT_C TViewFinderState ViewFinderState() const;
sl@0: 	
sl@0: 	IMPORT_C ~CCameraDirectViewFinder();
sl@0:     
sl@0: private:
sl@0: 	CCameraDirectViewFinder(CCamera& aOwner);
sl@0: 	void ConstructL();
sl@0: 	
sl@0: 	void SetImplHandle();
sl@0: 	
sl@0: private:	
sl@0: 	CCamera&                	iOwner;
sl@0: 	MCameraDirectViewFinder* 	iImpl;  // not owned
sl@0:    };		
sl@0:     
sl@0: #endif // ECAMDIRECTVIEWFINDER_H