devsoundextensions/mmfcustominterfaces/G711DecoderIntfc/G711DecoderIntfcMsgHdlr/src/G711DecoderIntfcMsgHdlr.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/devsoundextensions/mmfcustominterfaces/G711DecoderIntfc/G711DecoderIntfcMsgHdlr/src/G711DecoderIntfcMsgHdlr.cpp Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,220 @@
+/*
+* Copyright (c) 2002-2004 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: Message handler for G711 decoder interface
+*
+*/
+
+
+
+// INCLUDE FILES
+#include "G711DecoderIntfcMsgHdlr.h"
+#include "G711DecoderIntfcMsgs.h"
+#include <G711DecoderIntfc.h>
+
+// EXTERNAL DATA STRUCTURES
+
+// EXTERNAL FUNCTION PROTOTYPES
+
+// CONSTANTS
+
+// MACROS
+
+// LOCAL CONSTANTS AND MACROS
+
+// MODULE DATA STRUCTURES
+
+// LOCAL FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+
+// ============================= LOCAL FUNCTIONS ===============================
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CG711DecoderIntfcMsgHdlr::CG711DecoderIntfcMsgHdlr
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CG711DecoderIntfcMsgHdlr::CG711DecoderIntfcMsgHdlr(
+ CG711DecoderIntfc* aG711DecoderIntfcCI) :
+ CMMFObject(KUidG711DecoderIntfc)
+ {
+ iG711DecoderIntfcCI = aG711DecoderIntfcCI;
+ }
+
+// -----------------------------------------------------------------------------
+// CG711DecoderIntfcMsgHdlr::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CG711DecoderIntfcMsgHdlr::ConstructL()
+ {
+ }
+
+// -----------------------------------------------------------------------------
+// CG711DecoderIntfcMsgHdlr::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CG711DecoderIntfcMsgHdlr* CG711DecoderIntfcMsgHdlr::NewL(
+ TAny* aG711DecoderIntfcCI)
+ {
+ CG711DecoderIntfc* errorConcealmentIntfcCI =
+ (CG711DecoderIntfc*)aG711DecoderIntfcCI;
+ CG711DecoderIntfcMsgHdlr* self =
+ new (ELeave) CG711DecoderIntfcMsgHdlr(errorConcealmentIntfcCI);
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop( self );
+
+ return self;
+ }
+
+// Destructor
+EXPORT_C CG711DecoderIntfcMsgHdlr::~CG711DecoderIntfcMsgHdlr()
+ {
+ delete iG711DecoderIntfcCI;
+ }
+
+// ---------------------------------------------------------
+// CG711DecoderIntfcMsgHdlr::HandleRequest
+// Handles the messages from the proxy.
+// Calls a subfunction which determines which custom interface to call.
+// A subfunction is used to contain multiple leaving functions for a single
+// trap.
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+EXPORT_C void CG711DecoderIntfcMsgHdlr::HandleRequest(
+ TMMFMessage& aMessage)
+ {
+ ASSERT(aMessage.Destination().InterfaceId() == KUidG711DecoderIntfc);
+ TRAPD(error,DoHandleRequestL(aMessage));
+ if(error)
+ {
+ aMessage.Complete(error);
+ }
+ }
+
+// ---------------------------------------------------------
+// CG711DecoderIntfcMsgHdlr::DoHandleRequestL
+// Determines which custom interface to call.
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CG711DecoderIntfcMsgHdlr::DoHandleRequestL(TMMFMessage& aMessage)
+ {
+ switch(aMessage.Function())
+ {
+ case EG711dimSetDecoderMode:
+ {
+ DoSetDecoderModeL(aMessage);
+ break;
+ }
+ case EG711dimSetCng:
+ {
+ DoSetCngL(aMessage);
+ break;
+ }
+ case EG711dimGetCng:
+ {
+ DoGetCngL(aMessage);
+ break;
+ }
+ case EG711dimSetPlc:
+ {
+ DoSetPlcL(aMessage);
+ break;
+ }
+ default:
+ {
+ aMessage.Complete(KErrNotSupported);
+ }
+ }
+ }
+
+// ---------------------------------------------------------
+// CG711DecoderIntfcMsgHdlr::DoSetDecoderModeL
+// Handles the message from the proxy and calls the custom interface method.
+// The data passed from the proxy is read from the message and passed to
+// the custom interface.
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CG711DecoderIntfcMsgHdlr::DoSetDecoderModeL(TMMFMessage& aMessage)
+ {
+ TPckgBuf<CG711DecoderIntfc::TDecodeMode> pckgBuf;
+ aMessage.ReadData1FromClientL(pckgBuf);
+ TInt status = iG711DecoderIntfcCI->SetDecoderMode(pckgBuf());
+ aMessage.Complete(status);
+ }
+
+// ---------------------------------------------------------
+// CG711DecoderIntfcMsgHdlr::DoSetCngL
+// Handles the message from the proxy and calls the custom interface method.
+// The data passed from the proxy is read from the message and passed to
+// the custom interface.
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CG711DecoderIntfcMsgHdlr::DoSetCngL(TMMFMessage& aMessage)
+ {
+ TPckgBuf<TBool> pckgBuf;
+ aMessage.ReadData1FromClientL(pckgBuf);
+ TInt status = iG711DecoderIntfcCI->SetCng(pckgBuf());
+ aMessage.Complete(status);
+ }
+
+// ---------------------------------------------------------
+// CG711DecoderIntfcMsgHdlr::DoGetCngL
+// Handles the message from the proxy and calls the custom interface method.
+// The custom interface returns the data requested and this function
+// writes it back to the proxy.
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CG711DecoderIntfcMsgHdlr::DoGetCngL(TMMFMessage& aMessage)
+ {
+ TBool cng;
+ TInt status = iG711DecoderIntfcCI->GetCng(cng);
+ if (status == KErrNone)
+ {
+ TPckgBuf<TBool> pckgBuf;
+ pckgBuf() = cng;
+ aMessage.WriteDataToClientL(pckgBuf);
+ }
+ aMessage.Complete(status);
+ }
+
+// ---------------------------------------------------------
+// CG711DecoderIntfcMsgHdlr::DoSetPlcL
+// Handles the message from the proxy and calls the custom interface method.
+// The data passed from the proxy is read from the message and passed to
+// the custom interface.
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CG711DecoderIntfcMsgHdlr::DoSetPlcL(TMMFMessage& aMessage)
+ {
+ TPckgBuf<TBool> pckgBuf;
+ aMessage.ReadData1FromClientL(pckgBuf);
+ TInt status = iG711DecoderIntfcCI->SetPlc(pckgBuf());
+ aMessage.Complete(status);
+ }
+
+
+
+// End of File