/*

* Copyright (c) 2009 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 "hsloadscenestate.h"

#include "hsscene.h"

#include "hsgui.h"

#ifdef Q_OS_SYMBIAN

#include <XQSettingsManager>

#include <startupdomainpskeys.h>

#endif

/*!

    \class HsLoadSceneState

    \ingroup group_hshomescreenstateplugin

    \brief View part of the home screen idle state.

    Loads the home screen scene.

*/

/*!

    Constructs a new load scene state with the given \a parent.

*/

HsLoadSceneState::HsLoadSceneState(QState *parent)

    : QState(parent)

#ifdef Q_OS_SYMBIAN

      ,mStartupKey(KPSUidStartup.iUid, KPSStartupUiPhase),

      mSettingsMgr(0)

#endif

{

    connect(this, SIGNAL(entered()), SLOT(action_loadScene()));

#ifdef Q_OS_SYMBIAN

    mSettingsMgr = new XQSettingsManager(this);

#endif //Q_OS_SYMBIAN

}

/*!

    Destroys this idle state.

*/

HsLoadSceneState::~HsLoadSceneState()

{

}

/*!

    \fn HsLoadSceneState::event_idle()

    Loads scene information and initiates a transition to idle state if ready.

*/

/*!

    Loads the home screen scene.

*/

void HsLoadSceneState::action_loadScene()

{

    HsScene::setInstance(new HsScene);

    HsScene::instance()->load();

#ifdef Q_OS_SYMBIAN

    int startupPhase = mSettingsMgr->readItemValue(mStartupKey).toInt();

    qDebug() << "HsLoadSceneState::action_loadScene boot phase " << startupPhase;

    if (EStartupUiPhaseAllDone != startupPhase) {

        qDebug() << "HsLoadSceneState::HsLoadSceneState, starting to listen key";

        connect(mSettingsMgr,SIGNAL(valueChanged(XQSettingsKey, const QVariant &)), this,

			          SLOT(handleKeyChange(XQSettingsKey, const QVariant &)));

        mSettingsMgr->startMonitoring(mStartupKey);

    } else {

        // We're already at the phase in boot where we can draw ourself to the foreground.

        showUi();

		}

#else

    showUi();

#endif

}

#ifdef Q_OS_SYMBIAN

/*!

    \fn HsLoadSceneState::handleKeyChange()

    Handles the key change. Activates hs ui when appropriate.

*/

void HsLoadSceneState::handleKeyChange(XQSettingsKey key, const QVariant &value)

{

		qDebug() << "HsLoadSceneState::handleKeyChange key " << key.key()

		         << "value " << value.toInt();

		if (key.key() == KPSStartupUiPhase && value.toInt() == EStartupUiPhaseAllDone) {

			showUi();

    		mSettingsMgr->stopMonitoring(mStartupKey);

		}

}

#endif

/*!

    \fn HsLoadSceneState::showUi()

    Makes the main window visible, signals transition to idle state and

    brings the hs app to the foreground.

*/

void HsLoadSceneState::showUi()

{

    HsGui::instance()->show();

    emit event_history();

}