--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothappprofiles/avrcp/remconbeareravrcp/src/avrcpfragmenter.cpp	Mon Jan 18 20:28:57 2010 +0200
@@ -0,0 +1,128 @@
+// Copyright (c) 2007-2009 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:
+//
+
+
+
+/**
+ @file
+ @internalComponent
+ @released
+*/
+
+#include "avrcpfragmenter.h"
+#include "controlcommand.h"
+#include <e32debug.h>
+
+// Maximum size of data in a fragment response
+static const int KFragmentDataLength = KAVCMaxVendorDependentPayload - KAVRCPMinVendorDependentResponseLen;
+
+
+CAVRCPFragmenter* CAVRCPFragmenter::NewL()
+	{
+	CAVRCPFragmenter* self = new (ELeave) CAVRCPFragmenter();
+	self->Construct();
+	return self;
+	}
+
+TBool CAVRCPFragmenter::InFragmentedState()
+	{
+	return iInFragmentedState;
+	}
+
+void CAVRCPFragmenter::Reset()
+	{
+	iStart = KAVRCPMinVendorDependentResponseLen;
+	iInFragmentedState = EFalse;
+	}
+
+void CAVRCPFragmenter::AssignPayload(const RBuf8& aPayload)
+	{
+	// Assign the allocated memory containing the reponse to
+	// this class, allowing the caller to Close() aPayload.
+	iPayload.Close();
+	iPayload.Assign(aPayload);
+	iInFragmentedState = ETrue;
+	}
+
+TPtr8 CAVRCPFragmenter::GetNextFragmentHeader()
+	{
+	if (! InFragmentedState())
+		return TPtr8(0,0,0);
+	
+	// Fragmentation byte is 2nd byte of response; poke this
+	// and set the length correctly
+	if (iStart == KAVRCPMinVendorDependentResponseLen)
+		{
+		iPayload[1] = EFragmentStart;
+		iPayload[2] = (KFragmentDataLength >> 8) & 0xff;
+		iPayload[3] = (KFragmentDataLength) & 0xff;
+		}
+	else if (LastFragment())
+		{
+		iPayload[1] = EFragmentEnd;
+		TInt length = iPayload.Length() - iStart;
+		iPayload[2] = (length >> 8) & 0xff;
+		iPayload[3] = (length) & 0xff;
+		}
+	else
+		{
+		iPayload[1] = EFragmentContinue;
+		iPayload[2] = (KFragmentDataLength >> 8) & 0xff;
+		iPayload[3] = (KFragmentDataLength) & 0xff;
+		}
+	
+	// Return the first 4 bytes, which contain the PDU id,
+	// fragmentation status and parameter length (2 bytes)
+	return iPayload.MidTPtr(0, KAVRCPMinVendorDependentResponseLen);
+	}
+
+TPtr8 CAVRCPFragmenter::GetNextFragment()
+	{
+	if (! InFragmentedState())
+		return TPtr8(0,0,0);
+	
+	// Sigh. MidTPtr() PANICs if the 2nd argument is too large.
+	// Other APIs (e.g. Java, STL) just return to end of string.
+	TInt fragmentSize = KFragmentDataLength;
+	if (LastFragment())
+		fragmentSize = iPayload.Length() - iStart;
+	
+	TPtr8 fragment = iPayload.MidTPtr(iStart, fragmentSize);
+	
+	if (LastFragment())
+		Reset();
+	else
+		iStart += fragmentSize;
+	return fragment;
+	}
+
+TBool CAVRCPFragmenter::LastFragment()
+	{
+	if (iStart + KFragmentDataLength > iPayload.Length())
+		return ETrue;
+	else
+		return EFalse;
+	}
+
+TInt CAVRCPFragmenter::GetPDU()
+	{
+	return iPayload[0];
+	}
+
+void CAVRCPFragmenter::Construct()
+	{
+	Reset();
+	}
+