// 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:
// generic framework node state machine states
// 
//

/**
 @file 
 @internalAll
*/

#ifndef SYMBIAN_MM_ACTIVITIES_INTERNAL_H
#define SYMBIAN_MM_ACTIVITIES_INTERNAL_H

namespace MeshMachine
{

static const TUint16 KActivityNull                 = 0;
static const TUint16 KActivityCustom               = 0x007f;
//the range is used for activities that can run more than one instance in parallel
//such activities must be type of or derived from CNodeParallerActivityBase (e_mm_activity.h)
static const TUint16 KActivityParallelRangeMin     = 0x0100;
static const TUint16 KActivityParallelRangeMax     = 0xFF00;

class AMMNodeBase;
class CNodeActivityBase;
class TNodeContextBase;

//-=========================================================
//
// TNodeActivity
//
//-=========================================================
struct TNodeActivity
/**
*/
	{
	typedef CNodeActivityBase* (*TStaticActivityCtor)(const TNodeActivity& aActivitySig, AMMNodeBase& aNode);
	const TUint8 iId;
	//Message starting the activity (state in iFirstTriple is waiting for),
	//used by error handling, could be NULL for "single triple" activities because
	//than the current message associated with context is used.
    const TUint16 iKickOffMessageId;
    const TUint32 iKickOffMessageRealm;
	const NetStateMachine::TStateTriple& iFirstTriple;
	const TStaticActivityCtor iCtor;
	const TText8* iName;
	};

//-=========================================================
//
// TNodeActivityMap
//
//-=========================================================
struct TNodeActivityMap
/**
*/
	{
	typedef const TNodeActivityMap& (*TStaticNodeActivityMap)();
	typedef const TNodeActivity& (*TStaticNodeActivity)();
	const TStaticNodeActivity& iFirstActivity;
	};

//-=========================================================
//
// TNodeActivityIter
//
//-=========================================================
class TNodeActivityIter
/**
*/
	{
public:
	TNodeActivityIter(const TNodeActivityMap& aActivityMap)
	:	iCurrentEntry(&aActivityMap.iFirstActivity)
		{
		}
	const TNodeActivity* operator++(TInt /*aInd*/)
		{
		return FetchActivity(); //recursive
		}

private:
	const TNodeActivity* FetchActivity();

private:
	const TNodeActivityMap::TStaticNodeActivity* iCurrentEntry;
	};

} // namespace MeshMachine

#endif // SYMBIAN_MM_ACTIVITIES_INTERNAL_H