os/mm/devsoundextensions/addeddevsoundcontrol/AddedDevSoundControlMsgHdlr/src/AddedDevSoundControlMsgHdlr.cpp
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
     1 /*
     2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). 
     3 * All rights reserved.
     4 * This component and the accompanying materials are made available
     5 * under the terms of "Eclipse Public License v1.0"
     6 * which accompanies this distribution, and is available
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
     8 *
     9 * Initial Contributors:
    10 * Nokia Corporation - initial contribution.
    11 *
    12 * Contributors:
    13 *
    14 * Description:   Message handler for AddedDevSoundControl CI.
    15 *
    16 */
    17 
    18 
    19 
    20 // INCLUDE FILES
    21 #include "AddedDevSoundControlCI.h"
    22 #include "AddedDevSoundControlMsgHdlr.h"
    23 #include "AddedDevSoundControlMsgs.h"
    24 
    25 // EXTERNAL DATA STRUCTURES
    26 
    27 // EXTERNAL FUNCTION PROTOTYPES
    28 
    29 // CONSTANTS
    30 
    31 // MACROS
    32 
    33 // LOCAL CONSTANTS AND MACROS
    34 
    35 // MODULE DATA STRUCTURES
    36 
    37 // LOCAL FUNCTION PROTOTYPES
    38 
    39 // FORWARD DECLARATIONS
    40 
    41 // ============================= LOCAL FUNCTIONS ===============================
    42 
    43 // ============================ MEMBER FUNCTIONS ===============================
    44 
    45 /**
    46  * CAddedDevSoundControlMsgHdlr::CAddedDevSoundControlMsgHdlr
    47  * C++ default constructor can NOT contain any code, that might leave.
    48  */
    49 CAddedDevSoundControlMsgHdlr::CAddedDevSoundControlMsgHdlr(
    50                               MAddedDevSoundControl* aAddedDSControlCI) :
    51 	CMMFObject(KUidAddedDevSoundControlInterface)
    52     {
    53     iAddedDSControlCI = aAddedDSControlCI;
    54     }
    55 
    56 /**
    57  * CAddedDevSoundControlMsgHdlr::ConstructL
    58  * Symbian 2nd phase constructor can leave.
    59  */
    60 void CAddedDevSoundControlMsgHdlr::ConstructL()
    61     {
    62     }
    63 
    64 /**
    65  * CAddedDevSoundControlMsgHdlr::NewL
    66  * Two-phased constructor.
    67  */
    68 EXPORT_C CAddedDevSoundControlMsgHdlr*
    69 CAddedDevSoundControlMsgHdlr::NewL(TAny* aAddedDSControlCI)
    70     {
    71     MAddedDevSoundControl* addedDevSoundControlCI =
    72             (MAddedDevSoundControl*)aAddedDSControlCI;
    73     CAddedDevSoundControlMsgHdlr* self =
    74             new (ELeave) CAddedDevSoundControlMsgHdlr(addedDevSoundControlCI);
    75     CleanupStack::PushL( self );
    76     self->ConstructL();
    77     CleanupStack::Pop( self );
    78 
    79     return self;
    80     }
    81 
    82 /**
    83  * Destructor
    84  */
    85 CAddedDevSoundControlMsgHdlr::~CAddedDevSoundControlMsgHdlr()
    86 	{
    87 	delete iAddedDSControlCI;
    88 	}
    89 
    90 /**
    91  * CAddedDevSoundControlMsgHdlr::HandleRequest
    92  * Handles messages from the proxy.
    93  * Calls a subfunction, which determines what custom interface to call.
    94  * A subfunction is used to contain multiple leaving functions for a single
    95  * trap.
    96  * (other items were commented in a header).
    97  */
    98 void CAddedDevSoundControlMsgHdlr::HandleRequest(TMMFMessage& aMessage)
    99 	{
   100 	ASSERT(
   101 	aMessage.Destination().InterfaceId() == KUidAddedDevSoundControlInterface);
   102 
   103 	TRAPD(error, DoHandleRequestL(aMessage));
   104 	if (error)
   105 		{
   106 		aMessage.Complete(error);
   107 		}
   108 	}
   109 
   110 /**
   111  * CAddedDevSoundControlMsgHdlr::DoHandleRequestL
   112  * Determines which custom interface to call.
   113  * (other items were commented in a header).
   114  */
   115 void CAddedDevSoundControlMsgHdlr::DoHandleRequestL(TMMFMessage& aMessage)
   116 	{
   117 	switch(aMessage.Function())
   118 		{
   119 		case EAddedDSControlSetHwAwareness:
   120 			{
   121     		DoSetHwAwarenessL(aMessage);
   122 			break;
   123 			}
   124 		case EAddedDSControlPauseAndFlush:
   125 			{
   126     		DoPauseAndFlushL(aMessage);
   127 			break;
   128 			}
   129 		default:
   130 			{
   131 			aMessage.Complete(KErrNotSupported);
   132 			}
   133 		}
   134 	}
   135 
   136 /**
   137  * CAddedDevSoundControlMsgHdlr::DoSetHwAwarenessL
   138  * Handles EAddedDSControlSetHwAwareness message from the proxy and calls 
   139  * custom interface method.
   140  *
   141  * (other items were commented in a header).
   142  */
   143 void CAddedDevSoundControlMsgHdlr::DoSetHwAwarenessL(TMMFMessage& aMessage)
   144     {
   145 	TPckgBuf<TBool> pckg;
   146 	aMessage.ReadData1FromClientL(pckg);
   147 	TInt status = iAddedDSControlCI->SetHwAwareness(pckg());
   148     aMessage.Complete(status);
   149     }
   150 
   151 /**
   152  * CAddedDevSoundControlMsgHdlr::DoPauseAndFlushL
   153  * Handles EAddedDSControlPauseAndFlush message from the proxy and calls 
   154  * custom interface method.
   155  *
   156  * (other items were commented in a header).
   157  */
   158 void CAddedDevSoundControlMsgHdlr::DoPauseAndFlushL(TMMFMessage& aMessage)
   159     {
   160 	TInt status = iAddedDSControlCI->PauseAndFlush();
   161     aMessage.Complete(status);
   162     }
   163 
   164 // End of File