// Copyright (c) 2010 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:

// Reference implementation of Key Event Routing plug-in

/**

@file

@internalTechnology

@prototype

*/

#ifndef KEYROUTERIMPL_H

#define KEYROUTERIMPL_H

#include <graphics/wskeyrouter.h>

/** Key Capture Translation Table entry */

struct TTranslationEntry

	{

	TUint	iRequestScanCode;

	TUint	iCaptureScanCode;

	TUint	iRequestKeyCode;

	TUint	iCaptureKeyCode;

	};

/** Restricted Key Table entry */

struct TRestrictedKeyEntry

	{

	TUint			iCode;

	TKeyCaptureType	iType;

	TInt			iAppUidValue;

	};

/** Application Priority Table entry */

struct TAppPriorityEntry

	{

	TUint			iCode;

	TKeyCaptureType	iType;

	TInt			iAppUidValue;

	TInt			iAppPriority;

	};

#ifdef KEYROUTER_TEST

/** Blocked Key Table entry */

struct TBlockedKeyEntry

	{

	TUint			iCode;

	TKeyCaptureType	iType;

	};

#endif // KEYROUTER_TEST

#define TABLE_SIZE(table) (sizeof(table) / sizeof((table)[0]))

/**

Key Event Router implementation class

*/

NONSHARABLE_CLASS(CKeyEventRouterImpl) : public CKeyEventRouter

	{

public:

	CKeyEventRouterImpl();

	~CKeyEventRouterImpl();

	// From CKeyEventRouter

	void AddCaptureKeyL(const TKeyCaptureRequest& aRequest);

	void UpdateCaptureKeyL(const TKeyCaptureRequest& aRequest);

	void CancelCaptureKey(TKeyCaptureType aType, TAny* aHandle);

	void RouteKey(const TKeyEventRouterInput& aInput,

				  TKeyEventRouterOutput& aOutput);

private:

	void CheckCaptureKeyL(const TKeyCaptureRequest& aRequest);

	void ProcessAppPriorities(TKeyCaptureRequest& aRequest);

	void TranslateCaptureKey(TKeyCaptureType aType, TUint& aCode);

	TBool IsRestrictedKey(const TKeyCaptureRequest& aRequest);

#ifdef KEYROUTER_TEST

	TBool IsKeyBlocked(TKeyCaptureType aType, TUint aCode);

#endif

private:

	RArray<TKeyCaptureRequest>	iCaptureKeys;

	};

#endif // KEYROUTERIMPL_H