--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothappprofiles/avrcp/playerinformation/src/eventsmask.cpp	Mon Jan 18 20:28:57 2010 +0200
@@ -0,0 +1,104 @@
+// 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 "eventsmask.h"
+
+#ifdef _DEBUG
+_LIT(KEventsMask, "TEventsMask");
+#endif
+
+TEventsMask::TEventsMask ()
+	{
+	Reset();
+	}
+
+void TEventsMask::Reset()
+	{
+	iMask = 0x0000;
+	iNextSupportedEvent = 0x00;
+	}
+
+TBool TEventsMask::Find(TRegisterNotificationEvent aEvent) const
+	{
+	return ( (0x0001 << (aEvent -1)) & iMask ) ? ETrue : EFalse;
+	}
+
+void TEventsMask::Append(TRegisterNotificationEvent aEvent)
+	{
+	// the assertion assures that aEvent is a valid argument (in the range) 
+	__ASSERT_DEBUG((aEvent >= ERegisterNotificationPlaybackStatusChanged) && 
+		(aEvent < ERegisterNotificationReservedLast), 
+		User::Panic(KEventsMask, KErrArgument));
+
+	iMask |= (0x0001 << (aEvent -1));
+	}
+
+void TEventsMask::Remove(TRegisterNotificationEvent aEvent)
+	{
+	// the assertion assures that aEvent is a valid argument (in the range)
+	__ASSERT_DEBUG((aEvent >= ERegisterNotificationPlaybackStatusChanged) && 
+		(aEvent < ERegisterNotificationReservedLast), 
+		User::Panic(KEventsMask, KErrArgument));
+		
+	iMask &= ~(0x0001 << (aEvent -1));
+	}
+
+void TEventsMask::Begin()
+	{
+	iNextSupportedEvent = 0x00;
+	}
+
+TBool TEventsMask::Next()
+	{
+	TUint index = iNextSupportedEvent+1;
+	
+	if (index == ERegisterNotificationReservedLast)
+		{
+		return EFalse;
+		}
+	
+	while( (!Find((TRegisterNotificationEvent)index)) && (index < ERegisterNotificationReservedLast) )
+		{
+		index++;
+		}
+	
+	if (index < ERegisterNotificationReservedLast)
+		{
+		iNextSupportedEvent = index;
+		return ETrue;
+		}
+	else
+		{
+		return EFalse;
+		}
+	}
+
+TRegisterNotificationEvent TEventsMask::Get() const
+	{
+	// if Get() is called before calling Begin() and at least one call to Next()
+	// it Panics because iNextSupportedEvent is invalid (equals to 0x00).
+	__ASSERT_DEBUG(iNextSupportedEvent >= ERegisterNotificationPlaybackStatusChanged, User::Panic(KEventsMask, KErrUnderflow));
+	// this should never happen, it would mean that iNextSupport overtakes the
+	// last valid value
+	__ASSERT_DEBUG(iNextSupportedEvent < ERegisterNotificationReservedLast, User::Panic(KEventsMask, KErrOverflow));
+
+	return static_cast<TRegisterNotificationEvent>(iNextSupportedEvent);
+	}