os/graphics/windowing/windowserverplugins/keyeventrouting/src/keyrouterimpl.h
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/graphics/windowing/windowserverplugins/keyeventrouting/src/keyrouterimpl.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,92 @@
     1.4 +// Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// Reference implementation of Key Event Routing plug-in
    1.18 +
    1.19 +/**
    1.20 +@file
    1.21 +@internalTechnology
    1.22 +@prototype
    1.23 +*/
    1.24 +
    1.25 +#ifndef KEYROUTERIMPL_H
    1.26 +#define KEYROUTERIMPL_H
    1.27 +
    1.28 +#include <graphics/wskeyrouter.h>
    1.29 +
    1.30 +/** Key Capture Translation Table entry */
    1.31 +struct TTranslationEntry
    1.32 +	{
    1.33 +	TUint	iRequestScanCode;
    1.34 +	TUint	iCaptureScanCode;
    1.35 +	TUint	iRequestKeyCode;
    1.36 +	TUint	iCaptureKeyCode;
    1.37 +	};
    1.38 +
    1.39 +/** Restricted Key Table entry */
    1.40 +struct TRestrictedKeyEntry
    1.41 +	{
    1.42 +	TUint			iCode;
    1.43 +	TKeyCaptureType	iType;
    1.44 +	TInt			iAppUidValue;
    1.45 +	};
    1.46 +
    1.47 +/** Application Priority Table entry */
    1.48 +struct TAppPriorityEntry
    1.49 +	{
    1.50 +	TUint			iCode;
    1.51 +	TKeyCaptureType	iType;
    1.52 +	TInt			iAppUidValue;
    1.53 +	TInt			iAppPriority;
    1.54 +	};
    1.55 +
    1.56 +#ifdef KEYROUTER_TEST
    1.57 +/** Blocked Key Table entry */
    1.58 +struct TBlockedKeyEntry
    1.59 +	{
    1.60 +	TUint			iCode;
    1.61 +	TKeyCaptureType	iType;
    1.62 +	};
    1.63 +#endif // KEYROUTER_TEST
    1.64 +
    1.65 +#define TABLE_SIZE(table) (sizeof(table) / sizeof((table)[0]))
    1.66 +
    1.67 +/**
    1.68 +Key Event Router implementation class
    1.69 +*/
    1.70 +NONSHARABLE_CLASS(CKeyEventRouterImpl) : public CKeyEventRouter
    1.71 +	{
    1.72 +public:
    1.73 +	CKeyEventRouterImpl();
    1.74 +	~CKeyEventRouterImpl();
    1.75 +
    1.76 +	// From CKeyEventRouter
    1.77 +	void AddCaptureKeyL(const TKeyCaptureRequest& aRequest);
    1.78 +	void UpdateCaptureKeyL(const TKeyCaptureRequest& aRequest);
    1.79 +	void CancelCaptureKey(TKeyCaptureType aType, TAny* aHandle);
    1.80 +	void RouteKey(const TKeyEventRouterInput& aInput,
    1.81 +				  TKeyEventRouterOutput& aOutput);
    1.82 +private:
    1.83 +	void CheckCaptureKeyL(const TKeyCaptureRequest& aRequest);
    1.84 +	void ProcessAppPriorities(TKeyCaptureRequest& aRequest);
    1.85 +	void TranslateCaptureKey(TKeyCaptureType aType, TUint& aCode);
    1.86 +	TBool IsRestrictedKey(const TKeyCaptureRequest& aRequest);
    1.87 +#ifdef KEYROUTER_TEST
    1.88 +	TBool IsKeyBlocked(TKeyCaptureType aType, TUint aCode);
    1.89 +#endif
    1.90 +
    1.91 +private:
    1.92 +	RArray<TKeyCaptureRequest>	iCaptureKeys;
    1.93 +	};
    1.94 +
    1.95 +#endif // KEYROUTERIMPL_H