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

**

** 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 <hbinstance.h>

#include <hbtheme_p.h>

#include <hbtheme.h>

#include <hbthemeutils_p.h>

#include <hbevent.h>

#include "hbthemeclient_p_p.h"

#include "hbthemecommon_p.h"

#include <QDebug>

#include <QFileSystemWatcher>

#include <QSettings>

/**

 * Constructor

 */

HbThemeClientPrivate::HbThemeClientPrivate() :

        iniFileWatcher(0),

        clientConnected(false)

{

    QSettings settings(QSettings::IniFormat, QSettings::UserScope, QLatin1String(ORGANIZATION), QLatin1String(THEME_COMPONENT));

    iniFileWatcher = new QFileSystemWatcher(this);

    iniFileWatcher->addPath(settings.fileName());

    connect(iniFileWatcher, SIGNAL(fileChanged(QString)), this, SLOT(iniFileChanged(QString)));

}

/**

 * Destructor

 */

HbThemeClientPrivate::~HbThemeClientPrivate()

{

}

/**

 * HbThemeClientPrivate::iniFileChanged()

 */

void HbThemeClientPrivate::iniFileChanged(QString iniFile)

{

    Q_UNUSED(iniFile);

    QSettings settings(QSettings::IniFormat, QSettings::UserScope, QLatin1String(ORGANIZATION), QLatin1String(THEME_COMPONENT));

    QString newTheme = settings.value("currenttheme").toString();

    if (!HbThemeUtils::isThemeValid(newTheme)) {

        // check if the theme name is logical

        newTheme = QDir::fromNativeSeparators(qgetenv("HB_THEMES_DIR")) +

                   '/' + HbThemeUtils::platformHierarchy + '/' +

                    HbThemeUtils::iconsResourceFolder + '/' + newTheme;

        if (!HbThemeUtils::isThemeValid(newTheme)) {

            // use default theme since new theme cannot be resolved

            newTheme = HbThemeUtils::getThemeSetting(HbThemeUtils::DefaultThemeSetting);

        }

        disconnect(iniFileWatcher, SIGNAL(fileChanged(QString)), this, SLOT(iniFileChanged(QString)));

        HbThemeUtils::setThemeSetting(HbThemeUtils::CurrentThemeSetting, newTheme);

        connect(iniFileWatcher, SIGNAL(fileChanged(QString)), this, SLOT(iniFileChanged(QString)));

    } else {

        HbThemeUtils::updateThemeSetting(HbThemeUtils::CurrentThemeSetting, newTheme);

    }

    HbThemeUtils::loadHeapThemeIndex(ActiveTheme);

    hbInstance->theme()->d_ptr->handleThemeChange(newTheme);

}

/**

 * HbThemeClientPrivate::setTheme() 

 */

void HbThemeClientPrivate::setTheme(const QString &theme)

{

    if (HbThemeUtils::isThemeValid(theme)) {

        HbThemeUtils::setThemeSetting(HbThemeUtils::CurrentThemeSetting, theme);

    }

}