--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/remotecontrol/avrcp/remconbeareravrcp/src/browsingframe.cpp	Wed Oct 13 16:20:29 2010 +0300
@@ -0,0 +1,81 @@
+// Copyright (c) 2008-2009 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:
+//
+
+#include "browsingframe.h"
+
+
+/** Verifies the length of a frame is correct.  Checking:
+1) Header is present
+2) Data length indicated is present
+
+This does not semantically check that the data expected for
+the PDU ID is present.
+
+@param aFrame The frame to verify
+@leave KErrCorrupt if the length of the frame is incorrect
+*/
+void AvrcpBrowsing::BrowsingFrame::VerifyFrameL(const TDesC8& aFrame)
+	{
+	if((aFrame.Length() < AvrcpBrowsing::KHeaderLength) ||
+	  (aFrame.Length() < (AvrcpBrowsing::KHeaderLength + ParamLength(aFrame))))
+		{
+		User::Leave(KErrCorrupt);
+		}
+	}
+
+
+/** Retreives the PDU ID from this frame.
+
+@pre The integrity of the frame must have been verified (@see 
+	 BrowsingFrame::VerifyFrameL) as the length is not checked
+	 before retrieving the PDU ID.
+@param aFrame The frame to retrieve the PDU ID for.
+@return The PDU ID of aFrame
+*/
+AvrcpBrowsing::TPduId AvrcpBrowsing::BrowsingFrame::PduId(const TDesC8& aFrame)
+	{
+	return aFrame[0];
+	}
+
+/** Retreives the parameter length from this frame.
+
+@pre The integrity of the frame must have been verified (@see 
+	 BrowsingFrame::VerifyFrameL) as the length is not checked
+	 before retrieving the parameter length.
+@param aFrame The frame to retrieve the parameter length for.
+@return The parameter length of aFrame
+*/
+TInt AvrcpBrowsing::BrowsingFrame::ParamLength(const TDesC8& aFrame)
+	{
+	TInt paramLength = 0;
+	paramLength += aFrame[2];
+	paramLength += ((TUint)aFrame[1]) << 8;
+	
+	return paramLength;
+	}
+
+/** Retreives the payload from this frame.
+
+@pre The integrity of the frame must have been verified (@see 
+	 BrowsingFrame::VerifyFrameL) as the length is not checked
+	 before retrieving the payload.
+@param aFrame The frame to retrieve the payload for.
+@param aPayload On return the payload of aFrame
+*/
+void AvrcpBrowsing::BrowsingFrame::Payload(const TDesC8& aFrame, TPtrC8& aPayload)
+	{
+	aPayload.Set(aFrame.Mid(AvrcpBrowsing::KHeaderLength, AvrcpBrowsing::BrowsingFrame::ParamLength(aFrame)));
+	}
+