/*

 * 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: 

 *   WLAN Wizard Page: Key query page for WEP and WPA (2).

 *

 */

// System includes

#include <HbDocumentLoader>

#include <HbMainWindow>

#include <HbWidget>

#include <HbLabel>

#include <HbLineEdit>

#include <HbEditorInterface>

#include <HbParameterLengthLimiter>

// User includes

#include "wlanwizard.h"

#include "wlanwizard_p.h"

#include "wlanwizardpagekeyquery.h"

#include "wlanwizardutils.h"

/*!

   \class WlanWizardPageKeyQuery

   \brief Implements Key Query page for WEP and WPA. 

 */

// External function prototypes

// Local constants

// ======== LOCAL FUNCTIONS ========

// ======== MEMBER FUNCTIONS ========

/*!

   Constructor.

   @param [in] parent pointer to private implementation of wizard.

 */

WlanWizardPageKeyQuery::WlanWizardPageKeyQuery(WlanWizardPrivate* parent) :

    WlanWizardPageInternal(parent), 

    mWidget(NULL), 

    mLabelTitle(NULL),

    mLineEdit(NULL), 

    mLabelError(NULL), 

    mDocLoader(NULL)

{

}

/*!

   Destructor.

 */

WlanWizardPageKeyQuery::~WlanWizardPageKeyQuery()

{

    delete mDocLoader;

    // Wizard framework deletes the visualization (owns mWidget).

}

/*!

   See WlanWizardPage::initializePage()

   Initializes the key query page and initializes objects based on the security

   mode.

 */

HbWidget* WlanWizardPageKeyQuery::initializePage()

{

    if (!mWidget) {

        bool ok;

        mDocLoader = new HbDocumentLoader(mWizard->mainWindow());

        // Load document common part

        mDocLoader->load(":/docml/occ_add_wlan_01_04.docml", &ok);

        Q_ASSERT(ok);

        // Initialize orientation

        loadDocmlSection(mWizard->mainWindow()->orientation());

        // Load widgets

        mWidget = 

            qobject_cast<HbWidget*> (mDocLoader->findWidget("occ_add_wlan_01"));

        Q_ASSERT(mWidget != NULL);

        mLabelTitle = qobject_cast<HbLabel*> (mDocLoader->findWidget("dialog"));

        Q_ASSERT(mLabelTitle != NULL);

        mLineEdit = qobject_cast<HbLineEdit*> (mDocLoader->findWidget("lineEditKey"));

        Q_ASSERT(mLineEdit != NULL);

        mLabelError = 

            qobject_cast<HbLabel*> (mDocLoader->findWidget("labelErrorNote"));

        Q_ASSERT(mLabelError != NULL);

        ok = connect(

            mWizard->mainWindow(), SIGNAL(orientationChanged(Qt::Orientation)),

            this, SLOT(loadDocmlSection(Qt::Orientation)));

        Q_ASSERT(ok);

        HbEditorInterface editInterface(mLineEdit);

        editInterface.setInputConstraints(HbEditorConstraintLatinAlphabetOnly);

        editInterface.setSmileyTheme(HbSmileyTheme());

        mLineEdit->setInputMethodHints(

            Qt::ImhNoPredictiveText | Qt::ImhPreferLowercase);

        mLineEdit->installEventFilter(this);

    }

    if (mWizard->configuration(WlanWizardHelper::ConfSecurityMode) ==

        CMManagerShim::WlanSecModeWep) {

        mLineEdit->setMaxLength(WlanWizardUtils::WepHex128BitMaxLength);    

    } else {

        mLineEdit->setMaxLength(WlanWizardUtils::WpaMaxLength);

    }

    mLabelTitle->setPlainText(

    return mWidget;

}

/*!

   Loads docml at initialization phase and when HbMainWindow sends orientation()

   signal.

   @param [in] orientation to be loaded.

 */

void WlanWizardPageKeyQuery::loadDocmlSection(Qt::Orientation orientation)

{

    WlanWizardPageInternal::loadDocmlSection(

        mDocLoader,

        orientation,

        ":/docml/occ_add_wlan_01_04.docml", 

        "portrait_section",

        "landscape_section");

}

/*!

   See WlanWizardPage::nextId()

   @param [in,out] removeFromStack return value is always false

   @return In case user has entered incorrect key an appropriate error text is

   displayed and WlanWizardPage::PageNone is returned.

   In case user has entered a valid WEP or WPA key, the key is stored into

   internal configuration and WlanWizardPage::PageProcessSettings is returned.

 */

int WlanWizardPageKeyQuery::nextId(bool &removeFromStack) const

{

    WlanWizardUtils::KeyStatus status(WlanWizardUtils::KeyStatusOk);

    int pageId = WlanWizardPage::nextId(removeFromStack);

    int secMode = mWizard->configuration(

        WlanWizardPrivate::ConfSecurityMode).toInt();

    if (secMode == CMManagerShim::WlanSecModeWep) {

        status = WlanWizardUtils::validateWepKey(mLineEdit->text());   

    }

    else {

        Q_ASSERT(

            secMode == CMManagerShim::WlanSecModeWpa ||

            secMode == CMManagerShim::WlanSecModeWpa2);

        status = WlanWizardUtils::validateWpaKey(mLineEdit->text());

    }

    QString errorString = keyStatusToErrorString(status);

    if (errorString.length() == 0 ) {

        if (secMode == CMManagerShim::WlanSecModeWep) {

            mWizard->setConfiguration(WlanWizardPrivate::ConfKeyWep1, mLineEdit->text());

            mWizard->setConfiguration(WlanWizardPrivate::ConfKeyWep2, mLineEdit->text());

            mWizard->setConfiguration(WlanWizardPrivate::ConfKeyWep3, mLineEdit->text());

            mWizard->setConfiguration(WlanWizardPrivate::ConfKeyWep4, mLineEdit->text());

            mWizard->setConfiguration(WlanWizardPrivate::ConfKeyWepDefault, 

                CMManagerShim::WepKeyIndex1);

        } else {

            mWizard->setConfiguration(WlanWizardPrivate::ConfKeyWpa, mLineEdit->text());   

        }

        pageId = WlanWizardPage::PageProcessSettings;

    }

    else {

        mLabelError->setPlainText(errorString);

    }

    removeFromStack = false;

    return pageId;

}

/*!

   See WlanWizardPage::showPage()

 */

bool WlanWizardPageKeyQuery::showPage()

{

    // Open virtual keyboard by setting focus to line edit

    mLineEdit->setFocus();

    return true;

}

/*!

   When focus moves into the Key editor and there is visible error text, it

   is cleared.

   @param [in] obj Pointer to the object the event was sent to

   @param [in] event Pointer to the sent event.

   @return false. do not eat the event.

 */

bool WlanWizardPageKeyQuery::eventFilter(QObject *obj, QEvent *event)

{

    if (obj == mLineEdit && event->type() == QEvent::FocusIn) {

        mLabelError->setPlainText("");

    }

    return false;

}

/*!

   Maps provided error code to error text.

   @param [in] status status of key validation

   @return An error text in case of error, empty string is returned on 

   successful case.

 */

QString WlanWizardPageKeyQuery::keyStatusToErrorString(

    WlanWizardUtils::KeyStatus status) const

{

    QString errorString;

    switch (status) {

    case WlanWizardUtils::KeyStatusIllegalCharacters:

        errorString = hbTrId("txt_occ_dialog_illegal_characters_in_key_please_c");

        break;

    case WlanWizardUtils::KeyStatusWpaTooShort:

        errorString = hbTrId("txt_occ_dialog_preshared_key_too_short_at_least");

        break;

    case WlanWizardUtils::KeyStatusWepInvalidLength:

        errorString = hbTrId("txt_occ_dialog_key_is_of_incorrect_length_please");

        break;

    default:

        Q_ASSERT(WlanWizardUtils::KeyStatusOk == status);

        // nothing to do here.

        break;

    }

    return errorString;

}