/*

* 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: 

*

*/

#include <QKeyEvent>

#include <hblineedit.h>

#include <hbstringutil.h>

#include "dialpademergencycalleventfilter.h"

#include "dialpad.h"

#include "qtphonesrvlog.h"

#ifdef Q_OS_SYMBIAN

#include <cphcltemergencycall.h>

#include <phclttypes.h>

#endif //Q_OS_SYMBIAN

DialpadEmergencyCallEventFilter::DialpadEmergencyCallEventFilter(Dialpad* dialpad, QObject* parent) :

    QObject(parent), mDialpad(dialpad), mEmergency(0)

{

    PHONE_TRACE;

#ifdef Q_OS_SYMBIAN

    TRAP_IGNORE(mEmergency = CPhCltEmergencyCall::NewL( NULL ));

#endif // Q_OS_SYMBIAN

    mDialpad->setCallButtonEnabled(false);

    connect(&mDialpad->editor(),SIGNAL(contentsChanged()),

            this,SLOT(editorTextChanged()));

}

DialpadEmergencyCallEventFilter::~DialpadEmergencyCallEventFilter()

{

}

bool DialpadEmergencyCallEventFilter::eventFilter(QObject *watched, QEvent *event)

{

    PHONE_TRACE;

    Q_UNUSED(watched)

    bool eventFiltered = false;

#ifdef Q_OS_SYMBIAN

    const int eventType = event->type();

    if (eventType == QEvent::KeyPress) {

        QKeyEvent *keyEvent = static_cast<QKeyEvent*>(event);

        const int keyCode = keyEvent->key();

        if (keyCode == Qt::Key_Yes ||

             keyCode == Qt::Key_Enter) {           

            if (isEmergencyNumber(editorText())) {

                createCall(editorText());

                eventFiltered = true;

            }            

        }

    }

#else

    Q_UNUSED(event)

#endif // Q_OS_SYMBIAN

    return eventFiltered;

}

bool DialpadEmergencyCallEventFilter::isEmergencyNumber(QString string)

{

    PHONE_TRACE;

    bool ret = false;

#ifdef Q_OS_SYMBIAN

    if (KPhCltTelephoneNumberLength >= string.length()) {

        TBool emergency;

        TPhCltTelephoneNumber number(reinterpret_cast<const TUint16*>(string.utf16()));

        if (mEmergency && 

           KErrNone == mEmergency->IsEmergencyPhoneNumber(number, emergency)) {

            ret = emergency;

        }               

    }

#else

    Q_UNUSED(string)

#endif // Q_OS_SYMBIAN

    return ret;

}

QString DialpadEmergencyCallEventFilter::editorText()

{

    PHONE_TRACE;

    return HbStringUtil::convertDigitsTo(

                mDialpad->editor().text(), WesternDigit);

}

void DialpadEmergencyCallEventFilter::createCall(const QString &phoneNumber)

{

    PHONE_TRACE2("phoneNumber:", phoneNumber);

#ifdef Q_OS_SYMBIAN

    TPtrC number (static_cast<const TUint16*>(phoneNumber.utf16()),

            phoneNumber.length());

    TRAP_IGNORE(mEmergency->DialEmergencyCallL(number));

#endif // Q_OS_SYMBIAN

}

void DialpadEmergencyCallEventFilter::editorTextChanged()

{

    mDialpad->setCallButtonEnabled(isEmergencyNumber(editorText())); 

}