// Copyright (c) 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

 @test

 @internalComponent - Internal Symbian test code 

*/

#ifndef TFLOWINDOWSCONTROLLER_H

#define TFLOWINDOWSCONTROLLER_H

#include "twindow.h"

class CSurfaceUtility;

/**

 * Creates and manages the windows and moves them around.

 * It uses function pointers to create the windows.

 * 

 */

class CTFlowWindowsController : public CBase

    {

public:    

    virtual ~CTFlowWindowsController();

    static CTFlowWindowsController* NewL (TBool aPreload, RArray<TPtrC>& aFileNames, 

										  TSize& aWindowSize, RArray<pTWindowCreatorFunction>& aNewLs,

										  RArray<TPoint>& aInitialPositions, TBool aBouncing,

										  TBool aMoveHorizontal = ETrue);

    inline TInt NumberOfWindows() const;

    inline void SetFlowRate(TInt aFlowRate);

	void Rotate(CFbsBitGc::TGraphicsOrientation aOrientation);

	void SetWindowsVisibility(TBool aVisible);

	virtual void MoveL();

protected:

    CTFlowWindowsController(TInt aNumWindows, TBool aPreload, TSize& aWindowSize, TBool aBouncing, TBool aMoveHorizontal);

    void ConstructL(RArray<TPtrC>& aFileNames, RArray<pTWindowCreatorFunction>& aNewLs, RArray<TPoint>& aInitialPositions);

	void SubmitUpdateL();

protected:

	RWsSession              iWs;

	RWindowGroup            iWinGroup;

	CWsScreenDevice*        iScreenDev;

	CSurfaceUtility*        iUtility;

	RArray<CTWindow*>       iFlowWindows;

	RArray<TPtrC>           iFileNames;

	RRegion                 iWindowsRegion;

	TSize                   iWindowSize;

	TRect                   iScreenRect;

	TBool                   iPreload;

	TInt                    iNumWindows;

	TInt                    iDeltaX;

	TInt                    iDeltaY;

	TBool                   iBouncing;

    };

inline TInt CTFlowWindowsController::NumberOfWindows() const

    {

    return iNumWindows;

    }

/**

    Sets the rate at which the images are scrolled.

    @param aSpeed The number of pixels to move the image each cycle.

    */

inline void CTFlowWindowsController::SetFlowRate(TInt aFlowRate)

    {

    if (iDeltaX > 0)

        {

        iDeltaX = aFlowRate;

        }

    else 

        {

        iDeltaY = aFlowRate;

        }

    }

#endif /*TFLOWINDOWSCONTROLLER_H*/