/****************************************************************************

**

** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (developer.feedback@nokia.com)

**

** This file is part of the HbCore module of the UI Extensions for Mobile.

**

** GNU Lesser General Public License Usage

** This file may be used under the terms of the GNU Lesser General Public

** License version 2.1 as published by the Free Software Foundation and

** appearing in the file LICENSE.LGPL included in the packaging of this file.

** Please review the following information to ensure the GNU Lesser General

** Public License version 2.1 requirements will be met:

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

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at developer.feedback@nokia.com.

**

****************************************************************************/

#include "hbfeaturemanager_r.h"

#include <QString>

#include <centralrepository.h>

#else

#include <QSettings>

/*!

    @alpha

    @hbcore

    \class HbFeatureManager

    \brief HbFeatureManager is used to control hb internal features.

*/

/*!

    \enum HbFeatureManager::Feature

    This enum defines the hb internal features.

*/

/*!

    \var HbFeatureManager::TextMeasurement

    Runtime variation flag for text measurement feature.

    This needs to be enabled if you want to get the localization layout

    metrics from your application.

*/

/*!

    \var HbFeatureManager::TheTestUtility

    Runtime variation flag for "the test utility"

    This needs to be enabled if you want to utilize "the test utility"

    Zero means disabled, non-zero means enabled.

*/

/*!

    \var HbFeatureManager::LanguageSwitch

*/

const TUid HBFM_CREPO_ID  = {0x2002C304};

#endif

class HbFeatureManagerPrivate

{

public:

    HbFeatureManagerPrivate();

    virtual ~HbFeatureManagerPrivate();

    QString toString( HbFeatureManager::Feature feature );

    CRepository *mRepo;

#else

    QSettings *mSettings;

};

/*!

\internal

*/

HbFeatureManagerPrivate::HbFeatureManagerPrivate()

{

    TRAPD( err, mRepo = CRepository::NewL( HBFM_CREPO_ID ) );

    if( err ) {

        qWarning( "HbFeatureManager construction fails, error code = %d", err );

    }

    // Default values defined in cenrep file.

#else

    // Set default values:

    if( !mSettings->contains( toString( HbFeatureManager::TextMeasurement ) ) ) {

        mSettings->setValue( toString( HbFeatureManager::TextMeasurement ), 0 );

    }

    if( !mSettings->contains( toString( HbFeatureManager::TheTestUtility ) ) ) {

        mSettings->setValue( toString( HbFeatureManager::TheTestUtility ), 0 );

    }

}

/*!

\internal

*/

HbFeatureManagerPrivate::~HbFeatureManagerPrivate()

{

    delete mRepo;

#else

    delete mSettings;

}

/*!

\internal

*/

QString HbFeatureManagerPrivate::toString( HbFeatureManager::Feature feature )

{

    return QString( "HbFeature_" ) + QString::number( ( int )feature );

}

/*!

    Default constructor.

*/

HbFeatureManager::HbFeatureManager() :

    d(new HbFeatureManagerPrivate)

{

}

/*!

    Returns singleton instance

*/

HbFeatureManager *HbFeatureManager::instance()

{

    static HbFeatureManager theManager;

    return &theManager;

}

/*!

    Destructor

*/

HbFeatureManager::~HbFeatureManager()

{

    delete d;

}

/*!

    Returns the status of requested feature.

*/

int HbFeatureManager::featureStatus( Feature feature )

{

    if (!d->mRepo) {

        return 0;

    }

    TUint32 key = (TUint32)feature;

    TInt value = 0;

    TInt error = d->mRepo->Get( key, value );

    if( error != KErrNone ) {

        qWarning( "HbFeatureManager getting the feature fails, error code = %d", error );

    } else {

        return (int)value;

    }

#else

    if( d->mSettings->contains( d->toString( feature ) ) ) {

        return d->mSettings->value( d->toString( feature ) ).toInt();

    }

#endif

    return 0;

}

/*!

    Sets the status of requested feature to given value.

*/

void HbFeatureManager::setFeatureStatus( Feature feature, int status )

{

    if (!d->mRepo) {

        return;

    }

    TUint32 key = (TUint32)feature;

    TInt value = (TInt)status;

    TInt error = d->mRepo->Set( key, value );

    if( error != KErrNone ) {

        qWarning( "HbFeatureManager setting the feature fails, error code = %d", error );

    }

#else

    d->mSettings->setValue( d->toString( feature ), status );

#endif

}