/*!

* 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: Implements Qt Highway provider for key sequence handling.

*

*/

#include <QCoreApplication>

#include <QTimer>

#include <QTranslator>

#include <QLocale>

#include "keysequencerecognitionprovider.h"

#include "manufacturerkeysequencehandler.h"

#include "imeikeysequencehandler.h"

#include "lifetimerkeysequencehandler.h"

#include "keysequencerecognitionservicelog.h"

/*!

  KeySequenceRecognitionProvider::KeySequenceRecognitionProvider.

 */

KeySequenceRecognitionProvider::KeySequenceRecognitionProvider(

    QObject* parent)

    : 

    XQServiceProvider(QLatin1String(

        "keysequencerecognitionservice.com.nokia.symbian.IKeySequenceRecognition"),

        parent),

    m_keySequenceValidator("")

{

    DPRINT_METHODENTRYEXIT;

    publishAll();

    setupLocalization();

    // One should not call anything exception generating after handlers are

    // created because memory for handlers will be leaked on an exception 

    // while being in c++ constructor.

    constructKeySequenceHandlers();

}

/*!

  KeySequenceRecognitionProvider::~KeySequenceRecognitionProvider.

 */

KeySequenceRecognitionProvider::~KeySequenceRecognitionProvider()

{

    DPRINT_METHODENTRYEXIT;

}

/*!

  KeySequenceRecognitionProvider::keySequenceValidator.

 */

QString KeySequenceRecognitionProvider::keySequenceValidator()

{

    DPRINT_METHODENTRYEXIT;

    if (m_keySequenceValidator.isEmpty()) {

        constructKeySequenceValidator();

    }

    return m_keySequenceValidator;

}

/*!

  KeySequenceRecognitionProvider::executeKeySequence.

 */

bool KeySequenceRecognitionProvider::executeKeySequence(

    const QString &keySequence)

{

    DPRINT_METHODENTRYEXIT;

    bool handled = false;

    QList<KeySequenceHandler*>::const_iterator it = m_handlers.constBegin();

    for (;(it != m_handlers.constEnd()) && (!handled); ++it) {

        handled = (*it)->executeKeySequence(keySequence);

    }

    return handled;

}

/*!

  KeySequenceRecognitionProvider::setupLocalization.

 */

void KeySequenceRecognitionProvider::setupLocalization()

{

    DPRINT_METHODENTRYEXIT;

    QScopedPointer<QTranslator> translator(new QTranslator(this));

    QString locale = QLocale::system().name();

    QString path = QString("z:/resource/qt/translations/");

    bool translatorLoaded = 

        translator->load(QString(path + "telephone_" + locale));

    if (translatorLoaded) {

        qApp->installTranslator(translator.data());

        translator.take();

    }

}

/*!

  KeySequenceRecognitionProvider::constructKeySequenceHandlers.

 */

void KeySequenceRecognitionProvider::constructKeySequenceHandlers()

{

    DPRINT_METHODENTRYEXIT;

    QScopedPointer<KeySequenceHandler> manufacturerHandler( 

        new ManufacturerKeySequenceHandler(this));

    m_handlers.append(manufacturerHandler.data());

    manufacturerHandler.take();

    QScopedPointer<KeySequenceHandler> imeiHandler( 

        new ImeiKeySequenceHandler(this));

    m_handlers.append(imeiHandler.data());

    imeiHandler.take();

    QScopedPointer<KeySequenceHandler> lifeTimerHandler( 

        new LifeTimerKeySequenceHandler(this));

    m_handlers.append(lifeTimerHandler.data());

    lifeTimerHandler.take();

}

/*!

  KeySequenceRecognitionProvider::constructKeySequenceValidator.

 */

void KeySequenceRecognitionProvider::constructKeySequenceValidator()

{

    DPRINT_METHODENTRYEXIT;

    QList<KeySequenceHandler*>::const_iterator it = m_handlers.constBegin();

    for (;it != m_handlers.constEnd(); ++it) {

        if (!m_keySequenceValidator.isEmpty()) {

            m_keySequenceValidator.append("|");

        }

        QString validator = (*it)->keySequenceValidator();

        m_keySequenceValidator.append(validator);

    }

}