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 /** Key Capture Translation Table entry */

    28 struct TTranslationEntry

    29 	{

    30 	TUint	iRequestScanCode;

    31 	TUint	iCaptureScanCode;

    32 	TUint	iRequestKeyCode;

    33 	TUint	iCaptureKeyCode;

    34 	};

    35 

    36 /** Restricted Key Table entry */

    37 struct TRestrictedKeyEntry

    38 	{

    39 	TUint			iCode;

    40 	TKeyCaptureType	iType;

    41 	TInt			iAppUidValue;

    42 	};

    43 

    44 /** Application Priority Table entry */

    45 struct TAppPriorityEntry

    46 	{

    47 	TUint			iCode;

    48 	TKeyCaptureType	iType;

    49 	TInt			iAppUidValue;

    50 	TInt			iAppPriority;

    51 	};

    52 

    53 #ifdef KEYROUTER_TEST

    54 /** Blocked Key Table entry */

    55 struct TBlockedKeyEntry

    56 	{

    57 	TUint			iCode;

    58 	TKeyCaptureType	iType;

    59 	};

    60 #endif // KEYROUTER_TEST

    61 

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

    63 

    64 /**

    65 Key Event Router implementation class

    66 */

    67 NONSHARABLE_CLASS(CKeyEventRouterImpl) : public CKeyEventRouter

    68 	{

    69 public:

    70 	CKeyEventRouterImpl();

    71 	~CKeyEventRouterImpl();

    72 

    73 	// From CKeyEventRouter

    74 	void AddCaptureKeyL(const TKeyCaptureRequest& aRequest);

    75 	void UpdateCaptureKeyL(const TKeyCaptureRequest& aRequest);

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

    77 	void RouteKey(const TKeyEventRouterInput& aInput,

    78 				  TKeyEventRouterOutput& aOutput);

    79 private:

    80 	void CheckCaptureKeyL(const TKeyCaptureRequest& aRequest);

    81 	void ProcessAppPriorities(TKeyCaptureRequest& aRequest);

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

    83 	TBool IsRestrictedKey(const TKeyCaptureRequest& aRequest);

    84 #ifdef KEYROUTER_TEST

    85 	TBool IsKeyBlocked(TKeyCaptureType aType, TUint aCode);

    86 #endif

    87 

    88 private:

    89 	RArray<TKeyCaptureRequest>	iCaptureKeys;

    90 	};

    91 

    92 #endif // KEYROUTERIMPL_H