/*

* Copyright (c) 2010 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: Desktop specific settings handling

* 

*/

#include <QVariant>

#include <QList>

#include <QMultiMap>

#include <QMetaType>

#include <QString>

#include <QStringList>

#include <QVariant>

#include "cxesettingsstoredesktop.h"

#include "cxenamespace.h"

#include "cxutils.h"

#include "cxenamespace.h"

#include "cxeerror.h"

using namespace Cxe;

using namespace CxeSettingIds;

/*!

* Constructor

*/

CxeSettingsStoreDesktop::CxeSettingsStoreDesktop()

{

    CX_DEBUG_ENTER_FUNCTION();

    initSettings();

    CX_DEBUG_EXIT_FUNCTION();

}

/*!

* Destructor

*/

CxeSettingsStoreDesktop::~CxeSettingsStoreDesktop()

{

    CX_DEBUG_ENTER_FUNCTION();

    CX_DEBUG_EXIT_FUNCTION();

}

/*!

* Initalizes settings with default values.

*/

void CxeSettingsStoreDesktop::initSettings()

{

    mSettings[CAMERA_MODE] = QVariant(0);

    mSettings[FLASH_MODE] = QVariant(0);

    mSettings[WHITE_BALANCE] = QVariant(0);

    mSettings[LIGHT_SENSITIVITY] = QVariant(0);

    mSettings[EXPOSURE_MODE] = QVariant(0);

    mSettings[SHARPNESS] = QVariant(0);

    mSettings[COLOR_TONE] = QVariant(0);

    mSettings[EV_COMPENSATION_VALUE] = QVariant(0);

    mSettings[CONTRAST] = QVariant(0);

    mSettings[BRIGHTNESS] = QVariant(0);

    mSettings[SCENE_ID] = QVariant(IMAGE_SCENE_AUTO);

    mSettings[IMAGE_QUALITY] = QVariant(0);

    mSettings[VIDEO_QUALITY] = QVariant(0);

    mSettings[SELF_TIMER] = QVariant(-1);

    mSettings[FACE_TRACKING] = QVariant(0);

    mSettings[GEOTAGGING] = QVariant(0);

    mSettings[IMAGE_SCENE] = QVariant(IMAGE_SCENE_AUTO);

    mSettings[VIDEO_SCENE] = QVariant(VIDEO_SCENE_AUTO);

    mSettings[STILL_SHOWCAPTURED] = QVariant(2000);

    mSettings[VIDEO_SHOWCAPTURED] = QVariant(2000);

}

/*!

* Reads all run-time settings values from the internal hash

* \param QList<QString> contains list of all runtime key ids.

* \return QHash containing value associated to the keys

* \note loading runtime settings should be done only ONCE at start-up.

*/

QHash<QString, QVariantList> CxeSettingsStoreDesktop::loadVariationSettings(QList<QString>& runtimeKeys)

{

    CX_DEBUG_ENTER_FUNCTION();

    QHash<QString, QVariantList> settings;

    CxeError::Id err = CxeError::None;

    QVariantList list;

    QVariant data;

    // parsing through the list of run-time keys and reading values from the settings array.

    foreach (QString key, runtimeKeys) {

        // read the data from cenrep

        err = get(key, data);

        // clear the list

        list.clear();

        if (CxeError::None == err) {

            if (data.type() == QMetaType::QString ) {

                QString str = data.toString();

                QVariant strListVariant = qVariantFromValue(str.split(","));

                //generate qvariantlist from strListVariant

                list = strListVariant.toList();

            } else {

                // if its of any other type, then just append to the list

                list.append(data);

            }

        }

        // append the values associated with the key to the list.

        settings.insert(key, list);

    } // end for

    CX_DEBUG_EXIT_FUNCTION();

    return settings;

}

/*!

* Reads a setting from the internal hash

* \param "key"   - setting key

* \param "value" - setting value read from cenrep

* \return Error code

*/

CxeError::Id CxeSettingsStoreDesktop::get(const QString& key, QVariant &value)

{

    CX_DEBUG_ENTER_FUNCTION();

    CX_DEBUG(("CxeSettingsStoreDesktop::get - key: %s", key.toAscii().constData()));

    if (mSettings.contains(key) )

    {

        value.setValue(mSettings.value(key));

    }

    CxeError::Id err = CxeError::None;

    CX_DEBUG_EXIT_FUNCTION();

    return err;

}

/*!

* Reads a value from the settings store and starts monitoring it.

* \param "uid"   - UID of the component that own setting key

* \param "key"   - setting key id

* \param "type"  - type of setting key

* \param "value" - setting value read from cenrep

* \note Not only dummy implementation in desktop.

*/

void CxeSettingsStoreDesktop::startMonitoring(long int uid, unsigned long int key, Cxe::SettingKeyType type, QVariant &value)

{

    CX_DEBUG_ENTER_FUNCTION();

    value = QVariant::Invalid;

    CX_DEBUG_EXIT_FUNCTION();

}

/*!

* Sets a new value to the internal hash

* \param "key"   - setting key

* \param "newValue" - new value set to the key in cenrep

* \return Error code, in this case, always CxeError::None

*/

CxeError::Id CxeSettingsStoreDesktop::set(const QString& key, const QVariant newValue)

{

    CX_DEBUG_ENTER_FUNCTION();

    if (mSettings.contains(key) )

    {

        mSettings[key] = newValue;

    }

    CxeError::Id err = CxeError::None;

    CX_DEBUG_EXIT_FUNCTION();

    return err;

}

/*!

* resets the cenrep store

*/

void CxeSettingsStoreDesktop::reset()

{

    CX_DEBUG_ENTER_FUNCTION();

    //!@Todo: How to reset the repository.

    CX_DEBUG_EXIT_FUNCTION();

}

// end of file