--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmfenh/enhancedaudioplayerutility/AudioStreaming/AudioClientStreamSource/src/WriteRequest.cpp	Tue Feb 02 01:08:46 2010 +0200
@@ -0,0 +1,167 @@
+/*
+* Copyright (c) 2005 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:  Implementation of the audio buffer write request active object.
+*
+*/
+
+
+
+// INCLUDE FILES
+#ifdef _DEBUG
+#include 	<e32svr.h>
+#endif
+
+#include "S60StreamingSourceCustomCommands.h"
+#include "WriteRequest.h"
+#include "S60SourceEventDispatcher.h"
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CWriteRequest::CWriteRequest
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CWriteRequest::CWriteRequest(
+	TMMFMessageDestinationPckg aMessageHandler,
+	RMMFController& aController,
+	CS60SourceEventDispatcher& aCallback )
+    :   CActive(CActive::EPriorityStandard),
+    	iController(aController),
+    	iMessageHandler(aMessageHandler),
+    	iCallback(aCallback),
+    	iClientBuffer(NULL),
+    	iProcessed(EFalse),
+    	iFree(ETrue)
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CWriteRequest::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CWriteRequest::ConstructL()
+    {
+    CActiveScheduler::Add(this);
+	}
+
+// -----------------------------------------------------------------------------
+// CWriteRequest::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CWriteRequest* CWriteRequest::NewL(
+	TMMFMessageDestinationPckg aMessageHandler,
+	RMMFController& aController,
+	CS60SourceEventDispatcher& aCallback )
+    {
+    CWriteRequest* self = new(ELeave) CWriteRequest(aMessageHandler, aController, aCallback);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CWriteRequest::~CWriteRequest
+// Destructor
+// -----------------------------------------------------------------------------
+//
+CWriteRequest::~CWriteRequest()
+    {
+#ifdef _DEBUG
+    RDebug::Print(_L("CWriteRequest::~CWriteRequest()\n"));
+#endif
+    Cancel();
+    }
+
+// -----------------------------------------------------------------------------
+// CWriteRequest::WriteAudioData
+// -----------------------------------------------------------------------------
+//
+void CWriteRequest::WriteAudioData(CClientAudioBuffer& aBuffer)
+    {
+	if( !IsActive() )
+		{
+		if( aBuffer.IsLastBuffer() )
+			iLastBufferPckg() = 1;
+		else
+			iLastBufferPckg() = 0;
+
+		iClientBuffer = &aBuffer;
+    	iController.CustomCommandAsync(iMessageHandler, (TInt)EProcessBuffer, iClientBuffer->GetBufferPtr(), iLastBufferPckg, iStatus);
+    	iProcessed = EFalse;
+    	iFree = EFalse;
+    	SetActive();
+		}
+    }
+
+// -----------------------------------------------------------------------------
+// CWriteRequest::IsFree
+// Destructor
+// -----------------------------------------------------------------------------
+//
+TBool CWriteRequest::IsFree()
+    {
+ 	return iFree;
+    }
+
+// -----------------------------------------------------------------------------
+// CWriteRequest::RunL
+// Invoke by the active scheduler when a request completes -- the buffer has been
+// processed.
+// -----------------------------------------------------------------------------
+//
+void CWriteRequest::RunL()
+    {
+#ifdef _DEBUG
+    RDebug::Print(_L("CWriteRequest::RunL()\n"));
+#endif
+
+	if( iStatus == KErrNone )
+		{
+		iCallback.BufferProcessed(*iClientBuffer, KErrNone);
+		iClientBuffer = NULL;
+		iFree = ETrue;
+		}
+	if( iStatus == KErrCancel )
+		{
+		iCallback.BufferProcessed(*iClientBuffer, KErrCancel);
+		iClientBuffer = NULL;
+		iFree = ETrue;
+		}
+
+    }
+
+// -----------------------------------------------------------------------------
+// CWriteRequest::DoCancel
+// Cancels the current and any on going requests/tasks.
+// -----------------------------------------------------------------------------
+//
+void CWriteRequest::DoCancel()
+    {
+#ifdef _DEBUG
+    RDebug::Print(_L("CWriteRequest::DoCancel()\n"));
+#endif
+	TRequestStatus* s = &iStatus;
+
+	User::RequestComplete(s, KErrCancel);
+    }
+
+// End of file
+