1 // Copyright (c) 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 /**

    17  @file

    18  @internalComponent

    19 */

    20 

    21 #include "mtpplaybackcontroldpprocessor.h"

    22 #include "cmtprequestprocessor.h"

    23 #include "cmtppbcgetdevicepropdesc.h"

    24 #include "cmtppbcgetdevicepropvalue.h"

    25 #include "cmtppbcsetdevicepropvalue.h"

    26 #include "cmtppbcresetdevicepropvalue.h"

    27 #include "cmtppbcskip.h"

    28 #include "cmtprequestunknown.h"

    29 

    30 typedef MMTPRequestProcessor*(*TMTPPlaybackRequestProcessorCreateFunc)(

    31     MMTPDataProviderFramework& aFramework,

    32     MMTPConnection& aConnection,

    33     CMTPPlaybackControlDataProvider& aDataProvider);

    34 

    35 /**

    36 Defines an entry which maps from operation code to the request processor

    37 

    38 @internalComponent

    39 */

    40 typedef struct

    41     {

    42     TUint16                                  iOperationCode;

    43     TMTPPlaybackRequestProcessorCreateFunc    iCreateFunc;

    44     } TMTPPlaybackRequestProcessorEntry;

    45 

    46 /**

    47 Playback control data provider mapping table from request ID to factory method of the request processor

    48 */

    49 static const TMTPPlaybackRequestProcessorEntry KMTPRequestProcessorTable[] = 

    50 	{

    51 		{EMTPOpCodeGetDevicePropDesc, CMTPPbcGetDevicePropDesc::NewL},

    52 		{EMTPOpCodeGetDevicePropValue, CMTPPbcGetDevicePropValue::NewL},

    53 		{EMTPOpCodeSetDevicePropValue, CMTPPbcSetDevicePropValue::NewL},

    54 		{EMTPOpCodeResetDevicePropValue, CMTPPbcResetDevicePropValue::NewL},

    55 		{EMTPOpCodeSkip, CMTPPbcSkip::NewL},

    56 	};

    57 

    58 /**

    59 Create a request processor that matches the request

    60 @param aPlugin	The reference to the data provider plugin 

    61 @param aFramework The reference to the data provider framework

    62 @param aRequest	The request to be processed

    63 @param aConnection The connection from which the request comes from

    64 @return a pointer to the request processor

    65 */	

    66 MMTPRequestProcessor* MTPPlaybackControlDpProcessor::CreateL(

    67 													MMTPDataProviderFramework& aFramework,

    68 													const TMTPTypeRequest& aRequest, 

    69 													MMTPConnection& aConnection, 

    70 													CMTPPlaybackControlDataProvider& aDataProvider)

    71 	{

    72 	TMTPPlaybackRequestProcessorCreateFunc createFunc = NULL; 

    73 	TUint16 operationCode = aRequest.Uint16(TMTPTypeRequest::ERequestOperationCode);

    74 	TInt count = sizeof(KMTPRequestProcessorTable) / sizeof(TMTPRequestProcessorEntry);

    75 	for(TInt i = 0; i < count; i++)

    76 		{

    77 		if(KMTPRequestProcessorTable[i].iOperationCode == operationCode)

    78 			{

    79 			createFunc = KMTPRequestProcessorTable[i].iCreateFunc;

    80 			break;

    81 			}

    82 		}

    83 

    84     if(!createFunc) 

    85         {

    86         return CMTPRequestUnknown::NewL(aFramework, aConnection);

    87         }

    88     else

    89         {

    90         return (*createFunc)(aFramework, aConnection, aDataProvider);

    91         }

    92 	}

    93 

    94 

    95