/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU Lesser General Public License as published by

* the Free Software Foundation, version 2.1 of the License.

* 

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU Lesser General Public License for more details.

*

* You should have received a copy of the GNU Lesser General Public License

* along with this program.  If not, 

* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".

*

* Description:

*

*/

#include "settingshandlerbase.h"

#include "xqsettingskey.h"

QVariant SettingsHandlerBase::handleReadItemValue(const XQSettingsKey& key, XQSettingsManager::Type type, TInt& error)

{

    const TInt KRBufDefaultLength = 32;

    switch(type)

    {

        case XQSettingsManager::TypeVariant:

        {

            //Try to read TInt

            TInt intValue;

            error = getValue(key.key(), intValue);

            if (error == KErrNone)

            {

                return QVariant(intValue);

            }

            //Try to read TReal

            TReal realValue;

            error = getValue(key.key(), realValue);

            if (error == KErrNone)

            {

                return QVariant(realValue);

            }

            //Try to read RBuf8

            QVariant byteArrayVariant;

            TRAP(error,

                RBuf8 tdes8Value;

                tdes8Value.CreateL(KRBufDefaultLength);

                CleanupClosePushL(tdes8Value);

                getValueL(key.key(), tdes8Value);

                byteArrayVariant.setValue(QByteArray((const char*)tdes8Value.Ptr(), tdes8Value.Length()));

                CleanupStack::PopAndDestroy(&tdes8Value);

            )

            if (error == KErrNone)

            {

                return byteArrayVariant;

            }

            break;

        }

        case XQSettingsManager::TypeInt:

        {

            //Try to read TInt

            TInt intValue;

            error = getValue(key.key(), intValue);

            if (error == KErrNone)

            {

                return QVariant(intValue);

            }

            break;

        }

        case XQSettingsManager::TypeDouble:

        {

            //Try to read TReal

            TReal realValue;

            error = getValue(key.key(), realValue);

            if (error == KErrNone)

            {

                return QVariant(realValue);

            }

            break;

        }

        case XQSettingsManager::TypeString:

        {

            //Try to read RBuf8

            QVariant stringVariant;

            TRAP(error,

                RBuf16 tdes16Value;

                tdes16Value.CreateL(KRBufDefaultLength);

                CleanupClosePushL(tdes16Value);

                getValueL(key.key(), tdes16Value);

                stringVariant.setValue(QString::fromUtf16(tdes16Value.Ptr(), tdes16Value.Length()));

                CleanupStack::PopAndDestroy(&tdes16Value);

            )

            if (error == KErrNone)

            {

                return stringVariant;

            }

            break;

        }

        case XQSettingsManager::TypeByteArray:

        {

            //Try to read RBuf8

            QVariant byteArrayVariant;

            TRAP(error,

                RBuf8 tdes8Value;

                tdes8Value.CreateL(KRBufDefaultLength);

                CleanupClosePushL(tdes8Value);

                getValueL(key.key(), tdes8Value);

                byteArrayVariant.setValue(QByteArray((const char*)tdes8Value.Ptr(), tdes8Value.Length()));

                CleanupStack::PopAndDestroy(&tdes8Value);

            )

            if (error == KErrNone)

            {

                return byteArrayVariant;

            }

            break;

        }

        default:

        {

            break;

        }

    };

    return QVariant();

}

bool SettingsHandlerBase::handleWriteItemValue(const XQSettingsKey& key, const QVariant& value, TInt& error)

{

    switch (value.type())

    {

        case QVariant::Int:

        {

            error = setValue(key.key(), value.toInt());

            break;

        }

        case QVariant::Double:

        {

            error = setValue(key.key(), value.toDouble());

            break;

        }

        case QVariant::String:

        {

            error = setValue(key.key(), TPtrC16(reinterpret_cast<const TUint16*>(value.toString().utf16())));

            break;

        }

        case QVariant::ByteArray:

        {

            QByteArray byteArray(value.toByteArray());

            error = setValue(key.key(), TPtrC8((TUint8*)(byteArray.constData()), byteArray.size()));

            break;

        }

        default:

        {

            error = KErrArgument;

            break;

        }

    }

    return error == KErrNone;

}