1 // Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // Reference implementation of Key Event Routing plug-in

    15 

    16 /**

    17 @file

    18 @internalTechnology

    19 @prototype

    20 */

    21 

    22 #ifndef KEYROUTERIMPL_H

    23 #define KEYROUTERIMPL_H

    24 

    25 #include <graphics/wskeyrouter.h>

    26 

    27 #ifdef KEYROUTER_TEST

    28 /** Key Capture Translation Table entry */

    29 struct TTranslationEntry

    30 	{

    31 	TUint	iRequestScanCode;

    32 	TUint	iCaptureScanCode;

    33 	TUint	iRequestKeyCode;

    34 	TUint	iCaptureKeyCode;

    35 	};

    36 

    37 /** Entry for Restricted Key and Priority Application tables */

    38 struct TAppKeyEntry

    39 	{

    40 	TUint			iCode;

    41 	TKeyCaptureType	iType;

    42 	TInt			iAppUidValue;

    43 	};

    44 

    45 /** Blocked Key Table entry */

    46 struct TBlockedKeyEntry

    47 	{

    48 	TUint			iCode;

    49 	TKeyCaptureType	iType;

    50 	};

    51 

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

    53 

    54 #endif // KEYROUTER_TEST

    55 

    56 /**

    57 Key Event Router implementation class

    58 */

    59 NONSHARABLE_CLASS(CKeyEventRouterImpl) : public CKeyEventRouter

    60 	{

    61 public:

    62 	CKeyEventRouterImpl();

    63 	~CKeyEventRouterImpl();

    64 

    65 	// From CKeyEventRouter

    66 	void AddCaptureKeyL(const TKeyCaptureRequest& aRequest);

    67 	void UpdateCaptureKeyL(const TKeyCaptureRequest& aRequest);

    68 	void CancelCaptureKey(TKeyCaptureType aType, TAny* aHandle);

    69 	void RouteKey(const TKeyEventRouterInput& aInput,

    70 				  TKeyEventRouterOutput& aOutput);

    71 private:

    72 	void CheckCaptureKeyL(const TKeyCaptureRequest& aRequest);

    73 #ifdef KEYROUTER_TEST

    74 	TBool IsRestrictedKey(const TKeyCaptureRequest& aRequest);

    75 	TBool IsKeyBlocked(TKeyCaptureType aType, TUint aCode);

    76 	TInt PriorityAppUid(TKeyCaptureType aType, TUint aCode);

    77 	void TranslateCaptureKey(TKeyCaptureType aType, TUint& aCode);

    78 #endif

    79 

    80 private:

    81 	RArray<TKeyCaptureRequest>	iCaptureKeys;

    82 	};

    83 

    84 #endif // KEYROUTERIMPL_H