// 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