// Copyright (c) 2006-2010 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:

//

#ifndef VIRTUALVIDEOHWDEVICE_H

#define VIRTUALVIDEOHWDEVICE_H

#include <kernel/kernel.h>

#include <kernel/kern_priv.h>

#include "virtualvideohwdeviceinterface.h"

class DVirtualVideoHwInterface;

class DDeviceReqHandler;

_LIT( KVirtualVideoHwDevicePanic, "DVVideoHwDevice" );

/**

 * Logical device driver for the virtual Video peripheral used in the

 * platform simulator.

 */

class DVirtualVideoHwDevice : public DLogicalDevice,

                              public MVirtualVideoHwDeviceInterface

    {

public:

    /**

     * Default constructor.

     */

    DVirtualVideoHwDevice();

    /**

     * Destructor.

     */

    virtual ~DVirtualVideoHwDevice();

public: // From DLogicalDevice

    /**

     * Second stage constructor.

     * @see DLogicalDevice::Install

     */

    virtual TInt Install();

    /**

     * Gets the driver's capabilities.

     * @see DLogicalDevice::GetCaps

     */

    virtual void GetCaps( TDes8& aDes ) const;

    /**

     * Called by the kernel's device driver framework to create

     * a Logical Channel.

     * @see DLogicalDevice::Create

     */

    virtual TInt Create( DLogicalChannelBase*& aChannel );

private: // From MVirtualVideoHwDeviceInterface

private:

    // Interface to the hardware

    DVirtualVideoHwInterface* iHwInterface;

    // DFC queue

    TDfcQue* iDfcQ;

    // Request handler

    DDeviceReqHandler* iDeviceReqHandler;     

    };

#endif // VIRTUALVIDEOHWDEVICE_H