1 // Copyright (c) 2006-2010 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #ifndef VIRTUALVIDEOHWDEVICE_H

    17 #define VIRTUALVIDEOHWDEVICE_H

    18 

    19 #include <kernel/kernel.h>

    20 #include <kernel/kern_priv.h>

    21 #include "virtualvideohwdeviceinterface.h"

    22 

    23 class DVirtualVideoHwInterface;

    24 class DDeviceReqHandler;

    25 

    26 _LIT( KVirtualVideoHwDevicePanic, "DVVideoHwDevice" );

    27 

    28 /**

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

    30  * platform simulator.

    31  */

    32 class DVirtualVideoHwDevice : public DLogicalDevice,

    33                               public MVirtualVideoHwDeviceInterface

    34     {

    35 public:

    36 

    37     /**

    38      * Default constructor.

    39      */

    40     DVirtualVideoHwDevice();

    41 

    42     /**

    43      * Destructor.

    44      */

    45     virtual ~DVirtualVideoHwDevice();

    46 

    47 public: // From DLogicalDevice

    48 

    49     /**

    50      * Second stage constructor.

    51      * @see DLogicalDevice::Install

    52      */

    53     virtual TInt Install();

    54     

    55     /**

    56      * Gets the driver's capabilities.

    57      * @see DLogicalDevice::GetCaps

    58      */

    59     virtual void GetCaps( TDes8& aDes ) const;

    60 

    61     /**

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

    63      * a Logical Channel.

    64      * @see DLogicalDevice::Create

    65      */

    66     virtual TInt Create( DLogicalChannelBase*& aChannel );

    67     

    68 private: // From MVirtualVideoHwDeviceInterface

    69     

    70 private:

    71 

    72     // Interface to the hardware

    73     DVirtualVideoHwInterface* iHwInterface;

    74     

    75     // DFC queue

    76     TDfcQue* iDfcQ;

    77     

    78     // Request handler

    79     DDeviceReqHandler* iDeviceReqHandler;     

    80     };

    81 

    82 #endif // VIRTUALVIDEOHWDEVICE_H