/*

* Copyright (c) 2002 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:  Sound Map

*

*/

// AKNSOUNDMAP.CPP

//

// Copyright (c) 1997-2000 Symbian Ltd.  All rights reserved.

//

// AknSoundMap - maps a set of keys to SID's

#include "AknSoundMap.h"

#include <avkon.hrh>

const TInt KAknKeySoundMapGranularity = 4;

const TInt KAknSKeyGranularity = 16;

// class TSkey - SKey definition

// Keycode and Repeat are stored as a single code, to enable fast searching

void TSKey::Set(TInt aKeyCode, TInt aRepeatType, TInt aSid)

    {

    iSid = aSid;

    iKeyCode = aKeyCode + (aRepeatType << 16);

    }

CAknKeySoundMap* CAknKeySoundMap::NewL()

    {

    CAknKeySoundMap* self = new(ELeave)CAknKeySoundMap();

    return self;

    }

CAknKeySoundMap::~CAknKeySoundMap()

    {

    }

CAknKeySoundMap::CAknKeySoundMap()

:CArrayFixFlat<TSKey>(KAknSKeyGranularity)

    {

    }

void CAknKeySoundMap::ConstructFromResourceL(TResourceReader& aReader)

    {

    TInt count = aReader.ReadInt16();

    for (TInt ii=0; ii<count; ii++)

        {

        TInt sid = aReader.ReadInt16();

        TInt key = aReader.ReadUint16();

        TInt type = aReader.ReadInt8();

        TSKey sKey;

        sKey.Set(key, type, sid);

        TKeyArrayFix sidKey(_FOFF(TSKey, iKeyCode), ECmpTInt);

        InsertIsqL(sKey, sidKey);

        }

    }

TBool CAknKeySoundMap::Find(TSKey& aKey)

    {

    TKeyArrayFix sidKey(_FOFF(TSKey, iKeyCode), ECmpTInt);

    TInt index;

    if (FindIsq(aKey, sidKey, index) == 0)

        {

        aKey.iSid = At(index).iSid;

        return ETrue;

        }

    return EFalse;

    }

// CAknKeySoundStack

CAknKeySoundStack* CAknKeySoundStack::NewL()

    {

    CAknKeySoundStack* self = new(ELeave)CAknKeySoundStack();

    return self;

    }

CAknKeySoundStack::~CAknKeySoundStack()

    {

    ResetAndDestroy();

    }

CAknKeySoundStack::CAknKeySoundStack()

:CArrayPtrFlat<CAknKeySoundMap>(KAknKeySoundMapGranularity)

    {

    }

TBool CAknKeySoundStack::Find(const TKeyEvent& aKeyEvent, TInt& aSid)

    {

    TSKey key;

    // Decide on key-repeat type to check for

    if (aKeyEvent.iRepeats == 0)

        {

        key.Set(aKeyEvent.iCode, ESKeyTypeShort, 0);

        }

    else

        {

        if (iPreviousEvent.iRepeats == 0)

            {

            key.Set(aKeyEvent.iCode, ESKeyTypeLong, 0);

            }

        else

            {

            key.Set(aKeyEvent.iCode, ESKeyTypeRepeat, 0);

            }

        }

    iPreviousEvent = aKeyEvent;

    // Check in top layer

    TInt index = Count();

    while (index)

        {

        index--;

        CAknKeySoundMap* map = At(index);

        if (map->Find(key))

            {

            if (key.iSid == EAvkonSIDNoSound)

                return EFalse;

            else if (key.iSid == EAvkonSIDDefaultSound)

                {

                // Go direct to play default sound

                index = 1;

                continue;

                }

            else

                {

                aSid = key.iSid;

                return ETrue;

                }

            }

        }

    return EFalse;

    }

// End of File