// controller.h
//
// Copyright (c) 2000 Symbian Ltd.  All rights reserved.
//

#ifndef __CONTROLLER_H
#define __CONTROLLER_H

#include <coecntrl.h>
#include <coemain.h>

#include <eikappui.h>
#include <eikapp.h>
#include <eikdoc.h>
#include <eikenv.h>
#include <eikon.hrh>

#include <tp-ships.rsg>
#include "tp-ships.hrh"

#include "engine.h"

class CFleetView;

// command handler
class MGameViewCmdHandler
	{
public:
	virtual void ViewCmdHitFleet(TInt aX, TInt aY)=0;
	};

// controller
class CGameController : public CBase, public MGameViewCmdHandler
	{
public:
	// construct/destruct
	static CGameController* NewL();
	~CGameController();
	// persistence
	TStreamId StoreL(CStreamStore& aStore) const;
	void RestoreL(const CStreamStore& aStore, TStreamId aStreamId);
	// state
	inline TBool IsFinished() const;
	// game control
	void Reset();
	// zooming
	void ZoomInL();
	void ZoomOutL();
	// engine
	inline CGameEngine& Engine() const;

private:
	enum TState 
		{
		EGameOn,
		EFinished
		};
private:
	// construct/restore
	void ConstructL();
	// stream persistence
	void ExternalizeL(RWriteStream& aStream) const;
	void InternalizeL(RReadStream& aStream);
	// from MGameViewCmdHandler
	void ViewCmdHitFleet(TInt aX, TInt aY);

	CFleetView& ActiveView() const;

private:
	CGameEngine* iEngine;
	// cached pointers and values
	CEikonEnv* iEnv;
	// private persistent state
	TState iState;
	// zoom for internalizing
	TInt iZoomFactor;
	};

// state inlines
inline TBool CGameController::IsFinished() const { return  iState==EFinished; }

inline CGameEngine& CGameController::Engine() const
	{
	return *iEngine;
	}
		
#endif