os/mm/devsoundextensions/addeddevsoundcontrol/AddedDevSoundControlMsgHdlr/src/AddedDevSoundControlMsgHdlr.cpp
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/mm/devsoundextensions/addeddevsoundcontrol/AddedDevSoundControlMsgHdlr/src/AddedDevSoundControlMsgHdlr.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,164 @@
1.4 +/*
1.5 +* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
1.6 +* All rights reserved.
1.7 +* This component and the accompanying materials are made available
1.8 +* under the terms of "Eclipse Public License v1.0"
1.9 +* which accompanies this distribution, and is available
1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.11 +*
1.12 +* Initial Contributors:
1.13 +* Nokia Corporation - initial contribution.
1.14 +*
1.15 +* Contributors:
1.16 +*
1.17 +* Description: Message handler for AddedDevSoundControl CI.
1.18 +*
1.19 +*/
1.20 +
1.21 +
1.22 +
1.23 +// INCLUDE FILES
1.24 +#include "AddedDevSoundControlCI.h"
1.25 +#include "AddedDevSoundControlMsgHdlr.h"
1.26 +#include "AddedDevSoundControlMsgs.h"
1.27 +
1.28 +// EXTERNAL DATA STRUCTURES
1.29 +
1.30 +// EXTERNAL FUNCTION PROTOTYPES
1.31 +
1.32 +// CONSTANTS
1.33 +
1.34 +// MACROS
1.35 +
1.36 +// LOCAL CONSTANTS AND MACROS
1.37 +
1.38 +// MODULE DATA STRUCTURES
1.39 +
1.40 +// LOCAL FUNCTION PROTOTYPES
1.41 +
1.42 +// FORWARD DECLARATIONS
1.43 +
1.44 +// ============================= LOCAL FUNCTIONS ===============================
1.45 +
1.46 +// ============================ MEMBER FUNCTIONS ===============================
1.47 +
1.48 +/**
1.49 + * CAddedDevSoundControlMsgHdlr::CAddedDevSoundControlMsgHdlr
1.50 + * C++ default constructor can NOT contain any code, that might leave.
1.51 + */
1.52 +CAddedDevSoundControlMsgHdlr::CAddedDevSoundControlMsgHdlr(
1.53 + MAddedDevSoundControl* aAddedDSControlCI) :
1.54 + CMMFObject(KUidAddedDevSoundControlInterface)
1.55 + {
1.56 + iAddedDSControlCI = aAddedDSControlCI;
1.57 + }
1.58 +
1.59 +/**
1.60 + * CAddedDevSoundControlMsgHdlr::ConstructL
1.61 + * Symbian 2nd phase constructor can leave.
1.62 + */
1.63 +void CAddedDevSoundControlMsgHdlr::ConstructL()
1.64 + {
1.65 + }
1.66 +
1.67 +/**
1.68 + * CAddedDevSoundControlMsgHdlr::NewL
1.69 + * Two-phased constructor.
1.70 + */
1.71 +EXPORT_C CAddedDevSoundControlMsgHdlr*
1.72 +CAddedDevSoundControlMsgHdlr::NewL(TAny* aAddedDSControlCI)
1.73 + {
1.74 + MAddedDevSoundControl* addedDevSoundControlCI =
1.75 + (MAddedDevSoundControl*)aAddedDSControlCI;
1.76 + CAddedDevSoundControlMsgHdlr* self =
1.77 + new (ELeave) CAddedDevSoundControlMsgHdlr(addedDevSoundControlCI);
1.78 + CleanupStack::PushL( self );
1.79 + self->ConstructL();
1.80 + CleanupStack::Pop( self );
1.81 +
1.82 + return self;
1.83 + }
1.84 +
1.85 +/**
1.86 + * Destructor
1.87 + */
1.88 +CAddedDevSoundControlMsgHdlr::~CAddedDevSoundControlMsgHdlr()
1.89 + {
1.90 + delete iAddedDSControlCI;
1.91 + }
1.92 +
1.93 +/**
1.94 + * CAddedDevSoundControlMsgHdlr::HandleRequest
1.95 + * Handles messages from the proxy.
1.96 + * Calls a subfunction, which determines what custom interface to call.
1.97 + * A subfunction is used to contain multiple leaving functions for a single
1.98 + * trap.
1.99 + * (other items were commented in a header).
1.100 + */
1.101 +void CAddedDevSoundControlMsgHdlr::HandleRequest(TMMFMessage& aMessage)
1.102 + {
1.103 + ASSERT(
1.104 + aMessage.Destination().InterfaceId() == KUidAddedDevSoundControlInterface);
1.105 +
1.106 + TRAPD(error, DoHandleRequestL(aMessage));
1.107 + if (error)
1.108 + {
1.109 + aMessage.Complete(error);
1.110 + }
1.111 + }
1.112 +
1.113 +/**
1.114 + * CAddedDevSoundControlMsgHdlr::DoHandleRequestL
1.115 + * Determines which custom interface to call.
1.116 + * (other items were commented in a header).
1.117 + */
1.118 +void CAddedDevSoundControlMsgHdlr::DoHandleRequestL(TMMFMessage& aMessage)
1.119 + {
1.120 + switch(aMessage.Function())
1.121 + {
1.122 + case EAddedDSControlSetHwAwareness:
1.123 + {
1.124 + DoSetHwAwarenessL(aMessage);
1.125 + break;
1.126 + }
1.127 + case EAddedDSControlPauseAndFlush:
1.128 + {
1.129 + DoPauseAndFlushL(aMessage);
1.130 + break;
1.131 + }
1.132 + default:
1.133 + {
1.134 + aMessage.Complete(KErrNotSupported);
1.135 + }
1.136 + }
1.137 + }
1.138 +
1.139 +/**
1.140 + * CAddedDevSoundControlMsgHdlr::DoSetHwAwarenessL
1.141 + * Handles EAddedDSControlSetHwAwareness message from the proxy and calls
1.142 + * custom interface method.
1.143 + *
1.144 + * (other items were commented in a header).
1.145 + */
1.146 +void CAddedDevSoundControlMsgHdlr::DoSetHwAwarenessL(TMMFMessage& aMessage)
1.147 + {
1.148 + TPckgBuf<TBool> pckg;
1.149 + aMessage.ReadData1FromClientL(pckg);
1.150 + TInt status = iAddedDSControlCI->SetHwAwareness(pckg());
1.151 + aMessage.Complete(status);
1.152 + }
1.153 +
1.154 +/**
1.155 + * CAddedDevSoundControlMsgHdlr::DoPauseAndFlushL
1.156 + * Handles EAddedDSControlPauseAndFlush message from the proxy and calls
1.157 + * custom interface method.
1.158 + *
1.159 + * (other items were commented in a header).
1.160 + */
1.161 +void CAddedDevSoundControlMsgHdlr::DoPauseAndFlushL(TMMFMessage& aMessage)
1.162 + {
1.163 + TInt status = iAddedDSControlCI->PauseAndFlush();
1.164 + aMessage.Complete(status);
1.165 + }
1.166 +
1.167 +// End of File