--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmplugins/cameraplugins/source/webcamera/ecamwebcameravfactive.h	Thu Mar 25 11:21:36 2010 +0900
@@ -0,0 +1,132 @@
+/*
+* Copyright (c) 2010 ISB.
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the "Symbian Foundation License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".
+*
+* Initial Contributors:
+* ISB - Initial contribution
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+#ifndef ECAMWEBCAMERAVFACTIVE_H
+#define ECAMWEBCAMERAVFACTIVE_H
+
+#include "ecamwebcameraplugin.h"
+
+/**
+ *  Perform a viewfinder function.
+ */
+class CWebCameraVfActive : public CActive
+						 , public MDirectScreenAccess
+	{
+public:
+	 /**
+     * Two-phased constructor.
+     * @param aOwner pointer to callback object.
+     * @param aDriver reference to driver.
+     */
+	static CWebCameraVfActive* NewL(MWebCameraVfActiveCallBack* aOwner, RWebcameraDevice& aDriver);
+
+	CWebCameraVfActive(MWebCameraVfActiveCallBack* aOwner, RWebcameraDevice& aDriver);
+
+	/**> Destructor */
+	~CWebCameraVfActive();
+
+	/** 
+	Starts transfer of view finder data to the given portion of the screen using
+	direct screen access.
+
+	The aScreenRect parameter is in screen co-ordinates and may be modified if,
+	eg, the camera requires the destination to have a certain byte alignment, etc.
+
+    @param  aWs 
+	        Window server session.
+	@param  aScreenDevice 
+	        Screen device.
+	@param  aWindow 
+	        Displayable window.
+	@param  aScreenRect 
+	        Portion of the screen to which view finder data is to be
+	        transferred. This is in screen co-ordinates and may be modified if, for example,
+	        the camera requires the destination to have a certain byte alignment.
+	*/
+	void StartViewFinderDirectL(RWsSession& aWs, CWsScreenDevice& aScreenDevice, RWindowBase& aWindow, TRect& aScreenRect, TRect& aClipRect);
+
+	/** 
+	Stops transfer of view finder data to the screen. 
+	*/
+	void StopViewFinder();
+
+	/** 
+	Queries whether the view finder is active.
+
+	@return  ETrue if the view finder is active. EFalse if the view finder is not
+	         active. 
+	*/
+	TBool ViewFinderActive();
+
+private:
+	/** 
+	from MAbortDirectScreenAccess
+	
+	This function is called by the window server when direct screen access must stop
+	(for example because a dialogue is moved in front of the area where direct screen access is taking place).
+	
+	@param  aScreenDevice 
+			The reason why direct screen access was terminated. 
+	*/
+	virtual void AbortNow(RDirectScreenAccess::TTerminationReasons aReason);
+
+private: 
+	/** 
+	from 	from MDirectScreenAccess
+	
+	This function is called by the window server as soon as direct screen access can resume.
+	
+	@param  aScreenDevice 
+			Provides the reason why direct screen access was terminated. 
+	*/
+	virtual void Restart(RDirectScreenAccess::TTerminationReasons aReason);
+
+private:
+	void ConstructL();
+	
+	/** 
+	Start viewfinder process.
+	*/
+	void Start();
+	
+	/** 
+	Draw the image of the view finder on screen.
+	*/
+	void UpdateViewL();
+
+private:
+	void RunL();
+	void DoCancel();
+
+private:
+	MWebCameraVfActiveCallBack*		iOwner;				///< origin of start.
+	TBool							iViewFinderActive;	///< Status of viewfinder
+	RWebcameraDevice				iDriver;			///< Camera driver
+
+	CFbsBitmap*						iVfBitmap;			///< Bitmap data of viewfinder.
+	HBufC8*							iVfBuf;				///< Data buffer of viewfinder.
+	TPtr8							iVfBufPtr;			///< Pointer to data buffer of viewfinder.
+
+	CDirectScreenAccess*			iDSA;				///< DirectScreenAccess object.
+	TRect							iScreenRect;		///< The region to draw.
+	TRect							iClipRect;			///< The clipping region to draw.
+
+	TBool							iTestFlug;			///< for test
+	};
+
+
+#endif // ECAMWEBCAMERAPLUGIN_H