/*

* 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 <QProcess>

#include <QTranslator>

#include <QCoreApplication>

#include <HbInstance>

#include <HbAction>

#include <HbMessagebox>

#include "nmsettingsviewfactory.h"

#include "nmmailboxsettingsmanager.h"

#include "nmmailboxsettingview.h"

#include "nmmailboxselectionview.h"

#include "nmmailbox.h"

#include "nmcommon.h"

#include "nmsettingsviewlauncher.h"

#include "nmsettingscommon.h"

static const QString mailWizardStartExe = "mailwizard.exe";

static const QString mailWizardStartArgs = "from:controlpanel";

/*!

    \class NmSettingsViewFactory

    \brief Constructs and displays settings views.

*/

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

/*!

    Constructor of NmSettingsViewFactory.

    \param itemDataHelper

    \param text

    \param description

    \param icon

    \param parent

    \return A newly constructed settings view factory instance.

*/

NmSettingsViewFactory::NmSettingsViewFactory(

    CpItemDataHelper &itemDataHelper,

    const QString &text,

    const QString &description,

    const HbIcon &icon,

    const HbDataFormModelItem *parent)

 : CpSettingFormEntryItemData(itemDataHelper, text, description, icon, parent),

   mSettingsManager(new NmMailboxSettingsManager()), mSettingsViewLauncher(0),mPrevView(0)

{

}

/*!

    Constructor of NmSettingsViewFactory.

    \param viewLauncher

    \param itemDataHelper

    \param text

    \param description

    \param icon

    \param parent

    \return A newly constructed settings view factory instance.

*/

NmSettingsViewFactory::NmSettingsViewFactory(

    const NmSettingsViewLauncher *viewLauncher,

    CpItemDataHelper &itemDataHelper,

    const QString &text,

    const QString &description,

    const HbIcon &icon,

    const HbDataFormModelItem *parent)

 : CpSettingFormEntryItemData(itemDataHelper, text, description, icon, parent),

     mSettingsManager(new NmMailboxSettingsManager()), mSettingsViewLauncher(viewLauncher), mPrevView(0)

{

}

/*!

    Destructor of NmSettingsViewFactory.

*/

NmSettingsViewFactory::~NmSettingsViewFactory()

{

    delete mSettingsManager;

}

/*!

    Constructs a setting view. The type of the view depends on the number of

    mailboxes present. If there are no mailboxes defined, displays a query

    asking whether to user wants to define a new mailbox or not.

    \return A newly constructed setting view instance.

*/

CpBaseSettingView *NmSettingsViewFactory::createSettingView() const

{

    NMLOG(QString("NmSettingsViewFactory::createSettingView(): Begin."));

    CpBaseSettingView *view = 0;

    QList<NmMailbox *> mailboxList;

    mSettingsManager->listMailboxes(mailboxList);

    const int mailboxCount(mailboxList.count());

    // Log the number of mailboxes.

    NMLOG(QString("NmSettingsViewFactory::createSettingView(): Mailbox count is ") +

          QString::number(mailboxCount));

    if (mailboxCount == 0) {

        // Query the user whether to launch the wizard or not.

        HbMessageBox *messageBox = new HbMessageBox(HbMessageBox::MessageTypeQuestion);

        messageBox->setText(hbTrId("txt_mail_dialog_no_mailboxes_create_new"));

        messageBox->setTimeout(HbMessageBox::NoTimeout);

        // Read the user selection.

        HbAction *action = messageBox->exec();

        if (action == messageBox->primaryAction()) {

            // Launch mail wizard.

            NMLOG(QString("NmSettingsViewFactory::createSettingView(): Launching the mail wizard."));

            QStringList args;

            args << mailWizardStartArgs;

            QProcess::startDetached(mailWizardStartExe, args);

        }

    }

    else if (mailboxCount == 1) {

        // Construct setting view for the only available mailbox

        NmMailbox *mailbox = mailboxList.at(0);

        view = new NmMailboxSettingView(mailbox->id(),

                                        mailbox->name(),

                                        *mSettingsManager);

    }

    else if (mailboxCount > 1) {

        // Construct mailbox selection view

        view = new NmMailboxSelectionView(*this, *mSettingsManager, mailboxList);

    }

    if (view) {

        connect(mSettingsManager,

                SIGNAL(mailboxListChanged(const NmId &, NmSettings::MailboxEventType)),

                view, SLOT(mailboxListChanged(const NmId &, NmSettings::MailboxEventType)));

        connect(mSettingsManager,

                SIGNAL(mailboxPropertyChanged(const NmId &, QVariant, QVariant)),

                view, SLOT(mailboxPropertyChanged(const NmId &, QVariant, QVariant)));

    }

    NMLOG(QString("NmSettingsViewFactory::createSettingView(): End."));

    return view;

}

/*!

    Constructs and launches, i.e. displays a setting view for the given mailbox.

    \param mailboxId The id of the mailbox.

    \param mailboxName The name of the mailbox.

*/

void NmSettingsViewFactory::launchSettingView(const NmId &mailboxId,

                                              const QString &mailboxName) const

{

    NMLOG(QString("NmSettingsViewFactory::launchSettingView"));

    // There's always at least one valid main window available.

    HbMainWindow *mainWindow = hbInstance->allMainWindows().takeFirst();

    CpBaseSettingView *view =

        new NmMailboxSettingView(mailboxId, mailboxName, *mSettingsManager);

    connect(mSettingsManager,

            SIGNAL(mailboxListChanged(const NmId &, NmSettings::MailboxEventType)),

            view, SLOT(mailboxListChanged(const NmId &, NmSettings::MailboxEventType)));

    connect(mSettingsManager,

            SIGNAL(mailboxPropertyChanged(const NmId &, QVariant, QVariant)),

            view, SLOT(mailboxPropertyChanged(const NmId &, QVariant, QVariant)));

    // Disconnect mSettingsViewLauncher's previous connections to be sure that signals which are

    // offered out will be sent last.

    mSettingsManager->disconnect(

        SIGNAL(mailboxListChanged(const NmId &, NmSettings::MailboxEventType)),

        mSettingsViewLauncher,

        SIGNAL(mailboxListChanged(const NmId &, NmSettings::MailboxEventType)));

    mSettingsManager->disconnect(

        SIGNAL(mailboxPropertyChanged(const NmId &, QVariant, QVariant)),

        mSettingsViewLauncher,

        SIGNAL(mailboxPropertyChanged(const NmId &, QVariant, QVariant)));

    // Reconnect mSettingsViewLauncher.

    connect(mSettingsManager,

            SIGNAL(mailboxListChanged(const NmId &, NmSettings::MailboxEventType)),

            mSettingsViewLauncher,

            SIGNAL(mailboxListChanged(const NmId &, NmSettings::MailboxEventType)));

    connect(mSettingsManager,

            SIGNAL(mailboxPropertyChanged(const NmId &, QVariant, QVariant)),

            mSettingsViewLauncher,

            SIGNAL(mailboxPropertyChanged(const NmId &, QVariant, QVariant)));

    // Create back navigation action for a view.

    HbAction *action = new HbAction(Hb::BackNaviAction, view);

    connect(action, SIGNAL(triggered()), this, SLOT(backPress()));

    view->setNavigationAction(action);

    mPrevView = mainWindow->currentView();

    mainWindow->addView(view);

    mainWindow->setCurrentView(view);

    NMLOG(QString("NmSettingsViewFactory::launchSettingView - OK"));

}

/*!

   Handles back button press.

   Removes the current view from the main window and activates the previous view.

   Destroys removed view.

*/

void NmSettingsViewFactory::backPress()

{

    NMLOG(QString("NmSettingsViewFactory::backPress"));

    HbMainWindow *mainWindow = hbInstance->allMainWindows().takeFirst();

    QList<HbView *> views = mainWindow->views();

    if (views.count() > 1) {

        HbView *currentView = mainWindow->currentView();

        int indexOfView(views.indexOf(mPrevView));

        if (indexOfView > -1) {

            mainWindow->setCurrentView(views.at(indexOfView));

            mainWindow->removeView(currentView);

            currentView->deleteLater();

        }

        mPrevView = 0;

    }

    NMLOG(QString("NmSettingsViewFactory::backPress - OK"));

}

// End of file.