1 /*

     2 * Copyright (c) 2005-2007 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Translates key events for different UI related situations.

    15 *

    16 */

    17 

    18 #ifndef __AKN_KEY_FILTER__

    19 #define __AKN_KEY_FILTER__

    20 

    21 #include <coecntrl.h>

    22 #ifdef RD_INTELLIGENT_TEXT_INPUT

    23 #include <centralrepository.h>

    24 #endif

    25 #include "AknCapServerEntry.h"

    26 

    27 const TInt KHomeHoldDelay = 600000;   // 0.6 sec

    28 

    29 class CAknServKeyFilter : public CCoeControl

    30     {

    31 public:

    32     CAknServKeyFilter();

    33     void ConstructL(CAknCapAppServerAppUi& aAppUi);

    34     ~CAknServKeyFilter();

    35     

    36 private: // framework

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

    38     

    39 private: // new functions

    40     TKeyResponse HandleHomeKeyEventL(TEventCode aType);

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

    42     void HandleFlipKeyEvent(TInt aCode);

    43     static TInt HomeTickL(TAny* aThis);

    44     void DoHomeTickL();

    45     void ToggleShellL();

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

    47     void CaptureHardwareStateKeysL();

    48     void InitHardwareStateL();

    49     TBool HandleHardwareStateKeyL(TInt aCode);

    50     void FreeHardwareStateKeys();

    51     void SetHardwareStateL(TInt aState);

    52 #ifdef RD_INTELLIGENT_TEXT_INPUT

    53     TInt CAknServKeyFilter::HwKeyToKeyBoardType(TInt aKeyCode);

    54 #endif

    55 

    56 private:

    57     CAknCapAppServerAppUi* iAppUi; // not owned

    58     CPeriodic* iHomeTimer;

    59     TInt iSuppressAppSwitch;

    60     TInt iHomeKeyHandle;

    61     TVwsViewId iHomeViewId;

    62     RArray<TInt32> iHardwareStateKeyCaptures;

    63     TInt iQwertyOnKeyHandle;

    64     TInt iQwertyOffKeyHandle;

    65     TInt iFlipOpenKeyHandle;

    66     TInt iFlipCloseKeyHandle;

    67 #ifdef RD_INTELLIGENT_TEXT_INPUT

    68     CRepository* iAvkonRepository;

    69 #endif

    70     };

    71 

    72 #endif // __AKN_KEY_FILTER__