--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/mmapi_akn/audiostreaming/src/cmmadatasourcestream.cpp	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,145 @@
+/*
+* Copyright (c) 2002-2007 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:  Class for reading data from Java SourceStream to native side
+*
+*/
+
+#include <jdebug.h>
+#include "cmmaeventsource.h"
+#include "cmmadatasourcestream.h"
+#include "mmmasourcestreamlistener.h"
+#include "cmmastreamrequest.h"
+#include "cmmasourcestreamevent.h"
+
+
+// CONSTRUCTION
+CMMADataSourceStream* CMMADataSourceStream::NewLC(JNIEnv* aJNIEnv,
+        MMMAEventPoster* aEventPoster,
+        jobject aJavaSourceStream,
+        MMMASourceStreamListener* aListener
+                                                 )
+{
+    CMMADataSourceStream* self = new(ELeave) CMMADataSourceStream(aEventPoster,
+            aListener);
+    CleanupStack::PushL(self);
+    self->ConstructL(aJNIEnv, aJavaSourceStream);
+    return self;
+}
+
+
+CMMADataSourceStream::~CMMADataSourceStream()
+{
+    DEBUG("MMA::CMMADataSourceStream::~");
+}
+
+
+// Default constructor
+CMMADataSourceStream::CMMADataSourceStream(MMMAEventPoster* aEventPoster,
+        MMMASourceStreamListener* aListener):
+        CMMASourceStream(aEventPoster, aListener)
+{
+}
+
+
+inline void CMMADataSourceStream::ConstructL(JNIEnv* aJNIEnv,
+        jobject aJavaSourceStream)
+{
+    CMMASourceStream::ConstructL(aJNIEnv, aJavaSourceStream);
+    CreateDataBufferL(KMMAStreamRequestBufferSize);
+}
+
+void CMMADataSourceStream::WriteL(const TUint8* aData,
+                                  TInt aLength,
+                                  TInt aState)
+{
+    DEBUG_INT("MMA::CMMADataSourceStream::WriteL data length %d", aLength);
+    DEBUG_INT("MMA::CMMADataSourceStream::WriteL state %d", aState);
+
+    if (!iRequest)
+    {
+        // there is no request to write
+        return;
+    }
+
+    if (aState >= KErrNone)
+    {
+        if ((aState == CMMASourceStream::ECompleted) &&
+                aLength == -1)
+        {
+            // Stream ended
+            iRequest->RequestBuffer() = 1;
+        }
+        else if ((iData->Length() == 0) &&
+                 (iRequest->DataPtr().Length() == 0))
+        {
+            iRequest->DataPtr().Append(aData, aLength);
+            // read next
+            iEventPoster->PostEvent(iReadEvent,
+                                    CMMAEvent::ENotifyPriority);
+            return;
+        }
+        else if (iData->Length() == 0)
+        {
+            iData->Des().Append(aData, aLength);
+        }
+    }
+
+    // complete read operation
+    CMMAStreamRequest* r = iRequest;
+    iRequest = NULL;
+    r->CompleteRead(aState);
+    DEBUG("MMA::CMMADataSourceStream::WriteL completed");
+}
+
+void CMMADataSourceStream::ResetData()
+{
+    DEBUG("MMA::CMMADataSourceStream::ResetData");
+}
+
+CMMAStreamRequest* CMMADataSourceStream::Request()
+{
+    return iRequest;
+}
+
+void CMMADataSourceStream::Read(CMMAStreamRequest* aRequest)
+{
+    // Setting NULL, means that all read completes are ignored
+    if (!aRequest)
+    {
+        iRequest = NULL;
+        return;
+    }
+
+    if (!iRequest)
+    {
+        iRequest = aRequest;
+        iRequest->RequestBuffer() = 0;
+        iReadEvent->SetLength(aRequest->DataPtr().MaxLength());
+
+        if (iData->Length() > 0)
+        {
+            // Previous read buffered data
+            iRequest->DataPtr().Append(*iData);
+
+            // re-use buffer
+            iData->Des().SetLength(0);
+        }
+
+        // data has been requested, note will be sent
+        iEventPoster->PostEvent(iReadEvent, CMMAEvent::ENotifyPriority);
+    }
+    // else java is already reading
+}
+
+//  END OF FILE