javauis/mmapi_qt/audiostreaming/src.mmf/cmmastreamrequest.cpp
changeset 23 98ccebc37403
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/mmapi_qt/audiostreaming/src.mmf/cmmastreamrequest.cpp	Fri May 14 15:47:24 2010 +0300
@@ -0,0 +1,106 @@
+/*
+* Copyright (c) 2002 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:  Request used to write or read data
+*
+*/
+
+
+//  INCLUDE FILES
+#include <logger.h>
+#include "CMMAStreamRequest.h"
+#include "MMMAStreamRequestListener.h"
+
+CMMAStreamRequest* CMMAStreamRequest::NewLC(MMMAStreamRequestListener* aListener)
+{
+    CMMAStreamRequest* self = new(ELeave)CMMAStreamRequest(aListener);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    return self;
+}
+
+CMMAStreamRequest::~CMMAStreamRequest()
+{
+    Cancel();
+    delete iData;
+}
+
+TPtr8& CMMAStreamRequest::DataPtr()
+{
+    return iDataPtr;
+}
+
+void CMMAStreamRequest::CompleteRead(TInt aError)
+{
+    if (aError < KErrNone)
+    {
+        iListener->HandleError(this, aError);
+    }
+    else // OK
+    {
+        iListener->ReadComplete(this);
+    }
+}
+
+void CMMAStreamRequest::SetActive()
+{
+    CActive::SetActive();
+}
+
+TPckgBuf< TInt >& CMMAStreamRequest::RequestBuffer()
+{
+    return iRequestBuffer;
+}
+
+void CMMAStreamRequest::RunL()
+{
+    if (iStatus.Int() == KErrNone)
+    {
+        // data is processed, set ready for reuse
+        iDataPtr.SetLength(0);
+        iListener->WriteComplete(this);
+    }
+    else // error
+    {
+        iListener->HandleError(this, iStatus.Int());
+    }
+}
+
+TInt CMMAStreamRequest::RunError(TInt aError)
+{
+    iListener->HandleError(this, aError);
+    return KErrNone;
+}
+
+void CMMAStreamRequest::DoCancel()
+{
+    // Complete this request
+    TRequestStatus* s = &iStatus;
+    User::RequestComplete(s, KErrCancel);
+}
+
+CMMAStreamRequest::CMMAStreamRequest(MMMAStreamRequestListener* aListener):
+        CActive(EPriorityStandard),
+        iListener(aListener),
+        iDataPtr(NULL, 0)
+{
+    CActiveScheduler::Add(this);
+}
+
+void CMMAStreamRequest::ConstructL()
+{
+    iData = HBufC8::NewL(KMMAStreamRequestBufferSize);
+    iDataPtr.Set(iData->Des());
+}
+
+//  END OF FILE