remotecontrol/remotecontrolfw/client/extapi1/src/absvoltarget.cpp
changeset 51 20ac952a623c
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48:22de2e391156 51:20ac952a623c
       
     1 // Copyright (c) 2004-2009 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 <bluetooth/logger.h>
       
    22 #include <e32base.h>
       
    23 #include <remcon/remconextapi1.h>
       
    24 #include <remconabsvoltarget.h>
       
    25 #include <remconabsvoltargetobserver.h>
       
    26 #include <remconinterfaceselector.h>
       
    27 #include "absvolutils.h"
       
    28 
       
    29 #ifdef __FLOG_ACTIVE
       
    30 _LIT8(KLogComponent, LOG_COMPONENT_REMCON_EXTAPI1);
       
    31 #endif
       
    32 
       
    33 EXPORT_C CRemConAbsVolTarget* CRemConAbsVolTarget::NewL(CRemConInterfaceSelector& aInterfaceSelector, 
       
    34 																	MRemConAbsVolTargetObserver& aObserver)
       
    35 	{
       
    36 	LOG_STATIC_FUNC
       
    37 
       
    38 	CRemConAbsVolTarget* self = new(ELeave) CRemConAbsVolTarget(aInterfaceSelector, aObserver);
       
    39 	CleanupStack::PushL(self);
       
    40 	self->BaseConstructL();
       
    41 	CleanupStack::Pop(self);
       
    42 	return self;
       
    43 	}
       
    44 
       
    45 CRemConAbsVolTarget::CRemConAbsVolTarget(CRemConInterfaceSelector& aInterfaceSelector, 
       
    46 													 MRemConAbsVolTargetObserver& aObserver)
       
    47 :	CRemConInterfaceBase(TUid::Uid(KRemConAbsVolApiUid), 
       
    48 						 KMaxOperationDataSize,
       
    49 						 aInterfaceSelector,
       
    50 						 ERemConClientTypeTarget),
       
    51 	iObserver(aObserver)
       
    52 	{
       
    53 	}
       
    54 
       
    55 EXPORT_C CRemConAbsVolTarget::~CRemConAbsVolTarget()
       
    56 	{
       
    57 	LOG_FUNC
       
    58 	}
       
    59 
       
    60 TAny* CRemConAbsVolTarget::GetInterfaceIf(TUid aUid)
       
    61 	{
       
    62 	TAny* ret = NULL;
       
    63 	if ( aUid == TUid::Uid(KRemConInterfaceIf1) )
       
    64 		{
       
    65 		ret = reinterpret_cast<TAny*>(
       
    66 			static_cast<MRemConInterfaceIf*>(this)
       
    67 			);
       
    68 		}
       
    69 
       
    70 	return ret;
       
    71 	}
       
    72 
       
    73 void CRemConAbsVolTarget::MrcibNewMessage(TUint aOperationId, const TDesC8& aData)
       
    74 	{
       
    75 	LOG_FUNC
       
    76 	LOG1(_L("\taOperationId = 0x%02x"), aOperationId);
       
    77 	LOG1(_L("\taData.Length = %d"), aData.Length());
       
    78 
       
    79 	switch ( aOperationId )
       
    80 		{
       
    81 	case ERemConGetAbsoluteVolume:
       
    82 		iObserver.MrcavtoGetAbsoluteVolume();
       
    83 		break;
       
    84 
       
    85 	case ERemConSetAbsoluteVolume:
       
    86 		{
       
    87 		TUint absVol;
       
    88 		TUint maxVol;
       
    89 		// 20 is the length of the abs vol data.
       
    90 		if(aData.Length()<KRemConExtApi1MinimumDataLength+20)
       
    91 			{
       
    92 			// Silently drop the message
       
    93 			LOG(_L("Warning: Message is dropped due to invalid length!"));
       
    94 			__DEBUGGER();
       
    95 			}
       
    96 		else if ( GetAbsMaxVol(aData.Mid(KRemConExtApi1MinimumDataLength, 20), absVol, maxVol) == KErrNone )
       
    97 			{
       
    98 			iObserver.MrcavtoSetAbsoluteVolume(absVol, maxVol);
       
    99 			}
       
   100 		break;
       
   101 		}
       
   102 
       
   103 	default:
       
   104 		break;
       
   105 		}
       
   106 	}
       
   107 
       
   108 EXPORT_C void CRemConAbsVolTarget::GetAbsoluteVolumeResponse(TRequestStatus& aStatus, TUint aAbsVol, TUint aMaxVol, TInt aError)
       
   109 	{
       
   110 	LOG_FUNC
       
   111 
       
   112 	iOutData.Copy((TUint8*)&aError, KRemConExtApi1ResultDataLength);
       
   113 	iOutData.AppendFormat(_L8("0x%08x0x%08x"), aAbsVol, aMaxVol);
       
   114 	
       
   115 	// We pass iNumRemotes even though we're not interested in its value but 
       
   116 	// RemCon will write to this location so we need it to be somewhere safe.
       
   117 	InterfaceSelector().Send(aStatus, 
       
   118 		TUid::Uid(KRemConAbsVolApiUid), 
       
   119 		(TUint)ERemConGetAbsoluteVolume, 
       
   120 		iNumRemotes,
       
   121 		ERemConResponse,
       
   122 		iOutData);
       
   123 	}
       
   124 
       
   125 EXPORT_C void CRemConAbsVolTarget::SetAbsoluteVolumeResponse(TRequestStatus& aStatus, TInt aError)
       
   126 	{
       
   127 	LOG_FUNC
       
   128 
       
   129 	iOutData.Copy((TUint8*)&aError, KRemConExtApi1ResultDataLength);
       
   130 	
       
   131 	// We pass iNumRemotes even though we're not interested in its value but 
       
   132 	// RemCon will write to this location so we need it to be somewhere safe.
       
   133 	InterfaceSelector().Send(aStatus, 
       
   134 		TUid::Uid(KRemConAbsVolApiUid), 
       
   135 		(TUint)ERemConSetAbsoluteVolume, 
       
   136 		iNumRemotes,
       
   137 		ERemConResponse,
       
   138 		KNullDesC8());
       
   139 	}