/*

* 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:  Menu Application Library state.

 *

*/

#include <hbmainwindow.h>

#include <hbview.h>

#include <hbinstance.h>

#include <qstatemachine.h>

#include <hbaction.h>

#include <qpluginloader.h>

#include "hsdomainmodel_global.h"

#include "hsapp_defs.h"

#include "hsmenuevent.h"

#include "hsviewappsettingsstate.h"

#include "caentry.h"

#include "canotifier.h"

#include "canotifierfilter.h"

#include "hsmenuservice.h"

/*!

 \class HsViewAppSettingsState

 \ingroup HsViewAppSettingsState

 \brief State for showing Application Settings HbView from provided plugin

 */

/*!

 \var HsViewAppSettingsState::mView

 View.

 Owned.

 */

/*!

 \var HsViewAppSettingsState::mPreviousView

 Previous view.

 Not owned.

 */

/*!

 \var HsViewAppSettingsState::mActionConfirm

 Confirm action. Owned.

 */

/*!

 Constructor

 \retval void

 */

HsViewAppSettingsState::HsViewAppSettingsState(QState *parent) :

        QState(parent),

        mView(0), 

        mPreviousView(0), 

        mActionConfirm(0),

        mNotifier(0)

{

}

/*!

 Constructs contained objects.

 */

void HsViewAppSettingsState::construct()

{

}

/*!

 Destructor.

 */

HsViewAppSettingsState::~HsViewAppSettingsState()

{

    if (mNotifier) {

        delete mNotifier;

    }    

}

/*!

 onEntry method invoked on entering the state

 \param event: event

 \retval void

 */

void HsViewAppSettingsState::onEntry(QEvent *event)

{

    HSMENUTEST_FUNC_ENTRY("HsViewAppSettingsState::onEntry");

    QState::onEntry(event);

    qDebug("CollectionState::onEntry()");

    HsMenuEvent *menuEvent = static_cast<HsMenuEvent *>(event);

    QVariantMap data = menuEvent->data();

    const int entryId = data.value(itemIdKey()).toInt();   

    QSharedPointer<const CaEntry> entry = CaService::instance()->getEntry(entryId);    

    QPluginLoader loader(pluginPath);

    mView = qobject_cast<HbView *>(loader.instance()); 

    mActionConfirm = new HbAction(Hb::ConfirmNaviAction, mView);

    connect(mActionConfirm, SIGNAL(triggered()),SLOT(settingsDone()));

    if(mView)

        {    

        subscribeForMemoryCardRemove(entryId);

        QObject::connect(this, SIGNAL(initialize(QString)), mView, SLOT(initialize(QString)));        

        mView->setParent(this);

        emit initialize(entry->attribute(applicationUidEntryKey()));        

        // Add View to main window

        HbMainWindow *hbMainWindow = mainWindow();

        // add confirm action

        mView->setNavigationAction(mActionConfirm);

        hbMainWindow->addView(mView);

        // record the current view in order to activate it once done

        mPreviousView = hbMainWindow->currentView();

        hbMainWindow->setCurrentView(mView);

        hbMainWindow->show();

        }

    HSMENUTEST_FUNC_EXIT("HsViewAppSettingsState::onEntry");

}

#ifdef COVERAGE_MEASUREMENT

#pragma CTC SKIP

/*!

 Returns pointer to tha main window.

 \return Pointer to the main window.

 */

HbMainWindow *HsViewAppSettingsState::mainWindow() const

{

    return HbInstance::instance()->allMainWindows().value(0);

}

#ifdef COVERAGE_MEASUREMENT

#pragma CTC ENDSKIP

#endif //COVERAGE_MEASUREMENT

/*!

 Invoked when plugin view exits

 */

void HsViewAppSettingsState::settingsDone()

{

    emit exit();

}

/*!

 Subscribe for memory card remove.

 \param entryId: entry id.

 \retval void

 */

void HsViewAppSettingsState::subscribeForMemoryCardRemove(int entryId)

{

    CaNotifierFilter filter;

    QList<int> entryIds;

    entryIds.append(entryId);

    filter.setIds(entryIds);

    mNotifier = CaService::instance()->createNotifier(filter);

    mNotifier->setParent(this);

    connect(mNotifier,

            SIGNAL(entryChanged(CaEntry,ChangeType)),

            SLOT(settingsDone()));

}

void HsViewAppSettingsState::onExit(QEvent *event)

{

    QState::onExit(event);

    // Remove mView from main window and restore previous view.

    HbMainWindow *hbMainWindow = mainWindow();

    hbMainWindow->setCurrentView(mPreviousView);

    hbMainWindow->removeView(mView);

    disconnect(mNotifier,

               SIGNAL(entryChanged(CaEntry,ChangeType)),

               this,

               SLOT(settingsDone()));

    delete mNotifier;

    mNotifier = NULL;

    delete mActionConfirm;

    mActionConfirm = NULL;

    delete mView;

    mView = NULL;

}