/*

* Copyright (c) 2005-2007 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:  Translates key events for different UI related situations.

*

*/

#ifndef __AKN_KEY_FILTER__

#define __AKN_KEY_FILTER__

#include <coecntrl.h>

#ifdef RD_INTELLIGENT_TEXT_INPUT

#include <centralrepository.h>

#endif

#include "AknCapServerEntry.h"

const TInt KHomeHoldDelay = 600000;   // 0.6 sec

class CAknServKeyFilter : public CCoeControl

    {

public:

    CAknServKeyFilter();

    void ConstructL(CAknCapAppServerAppUi& aAppUi);

    ~CAknServKeyFilter();

private: // framework

    TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent, TEventCode aType);

private: // new functions

    TKeyResponse HandleQwertyKeyEvent(const TKeyEvent& aKeyEvent, TEventCode aType);

    void HandleFlipKeyEvent(TInt aCode);

    static TInt HomeTickL(TAny* aThis);

    void DoHomeTickL();

    void ToggleShellL();

    void ActivateViewL( const TVwsViewId& aViewId, TUid aCustomMessageId );

    void CaptureHardwareStateKeysL();

    void InitHardwareStateL();

    TBool HandleHardwareStateKeyL(TInt aCode);

    void FreeHardwareStateKeys();

    void SetHardwareStateL(TInt aState);

#ifdef RD_INTELLIGENT_TEXT_INPUT

    TInt CAknServKeyFilter::HwKeyToKeyBoardType(TInt aKeyCode);

#endif

private:

    CAknCapAppServerAppUi* iAppUi; // not owned

    CPeriodic* iHomeTimer;

    TInt iSuppressAppSwitch;

    TVwsViewId iHomeViewId;

    RArray<TInt32> iHardwareStateKeyCaptures;

    TInt iQwertyOnKeyHandle;

    TInt iQwertyOffKeyHandle;

    TInt iFlipOpenKeyHandle;

    TInt iFlipCloseKeyHandle;

#ifdef RD_INTELLIGENT_TEXT_INPUT

    CRepository* iAvkonRepository;

#endif

    };

#endif // __AKN_KEY_FILTER__