/*

* Copyright (c) 2009 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:

*

*/

#include <QCoreApplication>

#include <QDir>

#include "hswidgetcomponent.h"

#include "hswidgetcomponentdescriptor.h"

#include "hswidgetcomponentregistry.h"

#include "hsapp_defs.h"

#include "caservice.h"

#include "caquery.h"

/*!

*/

HsWidgetComponent::~HsWidgetComponent()

{

}

/*!

*/

QString HsWidgetComponent::rootPath() const

{

    return mRootPath;

}

/*!

*/

QString HsWidgetComponent::uri() const

{

    return mUri;

}

bool HsWidgetComponent::isAvailable() const

{

    bool ret(true);

    if (mRootPath.isEmpty() || !QDir(mRootPath).exists()) {

        ret = false;

    }

    return  ret;

}

/*!

*/

HsWidgetComponent::HsWidgetComponent(const QString &uri, QObject *parent)

  : QObject(parent),

    mUri(uri),

    mState(Available)

{

	resolveRootPath();

	installTranslator();

}

/*!

*/

void HsWidgetComponent::resolveRootPath()

{

	CaQuery query;

    query.setEntryTypeNames(QStringList(widgetTypeName()));

	query.setAttribute(widgetUriAttributeName(), mUri);

	QList< QSharedPointer<CaEntry> > widgetEntries = CaService::instance()->getEntries(query);

    if (widgetEntries.isEmpty()) {

        return;

	}

    QSharedPointer<CaEntry> entry = widgetEntries.first();

    mRootPath = entry->attribute(widgetPathAttributeName());

    if (mRootPath.isEmpty() || !QDir(mRootPath).exists()) {

        mState = Unavailable;

    }

}

/*!

*/

void HsWidgetComponent::installTranslator()

{

    QStringList possiblePaths;

#ifdef Q_OS_WIN32

    possiblePaths << "resource/qt/translations";

#else

    QDir currentDir(mRootPath);

    if (!currentDir.exists() || mRootPath.isEmpty()) {

        return;

    }

    while (currentDir.cdUp()) {}

    QString drive = currentDir.path();

    drive.append("resource/qt/translations");

    possiblePaths << drive;

    // if it is not in installed,then check z drive

    possiblePaths << "z:/resource/qt/translations";

#endif

    for(int i=0; i<possiblePaths.count(); ++i) {

        QString candidate = QDir::toNativeSeparators(possiblePaths.at(i));   

        if (QDir(candidate).exists()) {

            QString fileName(mUri);

		    fileName.append("_");

		    fileName.append(QLocale::system().name());

            if (mTranslator.load(fileName, candidate)) {

                QCoreApplication::installTranslator(&mTranslator);

		        break;

            }

	    }

    }

}

/*!

*/

void HsWidgetComponent::uninstallTranslator()

{

    QCoreApplication::removeTranslator(&mTranslator);

}

void HsWidgetComponent::emitAboutToUninstall()

{

    if (mState == Available) {

        mState = Uninstalling;

        emit aboutToUninstall();

    }

}

void HsWidgetComponent::emitUninstalled()

{

    if (mState == Uninstalling) {

        mState = Available;

        emit uninstalled();

    }

}

void HsWidgetComponent::emitUpdated()

{

    if (mState == Uninstalling) {

        mState = Available;

        emit updated();

    }

}

void HsWidgetComponent::emitUnavailable()

{

    if (mState == Available) {

        mState = Unavailable;

        emit unavailable();

    }

}

void HsWidgetComponent::emitAvailable()

{

    if (mState == Unavailable) {

        mState = Available;

        emit available();

    }

}