/*

* 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:  Base class for all screensavers.

*

*/

#include "screensaver_p.h"

/*!

    \class Screensaver

    \brief The private implementation of the Screensaver.

 */

/*!

    Constructs a new ScreensaverPrivate with \a screensaverPublic.

 */

ScreensaverPrivate::ScreensaverPrivate(Screensaver * const screensaverPublic) :

    m_q(screensaverPublic), mState(ScreensaverStateConstructed)

{

}

/*!

    Destructs the class.

 */

ScreensaverPrivate::~ScreensaverPrivate()

{

}

/*!

    Return current state.

    \return Current state.

 */

ScreensaverState ScreensaverPrivate::currentState()

{

    return mState;

}

/*!

    Change state on Initialized.

 */

void ScreensaverPrivate::initialize()

{

    switch (mState)

    {

    case ScreensaverStateConstructed:

    case ScreensaverStateClosed:

        break;

    default:

        return;

    }

    mState = ScreensaverStateInitialized;

    if (!m_q->onInitialize()) {

        emit m_q->faulted();

    }

}

/*!

    Change state on Foreground.

 */

void ScreensaverPrivate::foreground()

{

    switch (mState)

    {

    case ScreensaverStateInitialized:

    case ScreensaverStateBackground:

    case ScreensaverStatePowerSave:

    case ScreensaverStatePartialForeground:

        break;

    default:

        return;

    }

    mState = ScreensaverStateForeground;

    if (!m_q->onForeground()) {

        emit m_q->faulted();

    }

}

/*!

    Change state on PartialForeground.

 */

void ScreensaverPrivate::partialForeground()

{

    switch (mState)

    {

    case ScreensaverStateInitialized:

    case ScreensaverStateForeground:

    case ScreensaverStateBackground:

        break;

    default:

        return;

    }

    mState = ScreensaverStatePartialForeground;

    if (!m_q->onPartialForeground()) {

        emit m_q->faulted();

    }

}

/*!

    Change state on Background.

 */

void ScreensaverPrivate::background()

{

    switch (mState)

    {

    case ScreensaverStateInitialized:

    case ScreensaverStateForeground:

    case ScreensaverStatePartialForeground:

    case ScreensaverStatePowerSave:

        break;

    default:

        return;

    }

    mState = ScreensaverStateBackground;

    if (!m_q->onBackground()) {

        emit m_q->faulted();

    }

}

/*!

    Change state on Disabled.

 */

void ScreensaverPrivate::powerSave()

{

    switch (mState)

    {

    case ScreensaverStateBackground:

        break;

    default:

        return;

    }

    mState = ScreensaverStatePowerSave;

    if (!m_q->onPowerSave()) {

        emit m_q->faulted();

    }

}

/*!

    Change state on Closed.

 */

void ScreensaverPrivate::close()

{

    switch (mState)

    {

    case ScreensaverStateInitialized:

    case ScreensaverStateBackground:

    case ScreensaverStateForeground:

    case ScreensaverStatePartialForeground:

    case ScreensaverStatePowerSave:

        break;

    default:

        return;

    }

    mState = ScreensaverStateClosed;

    if (!m_q->onClose()) {

        emit m_q->faulted();

    }

}

/*!

    Nothing to do here but call the actual handler method.

 */

void ScreensaverPrivate::handleActiveIndicators(

        const QList<HbIndicatorInterface*> &activeIndicators)

{

    m_q->onHandleActiveIndicators(activeIndicators);

}

/*!

    Nothing to do here but call the actual handler method.

 */

void ScreensaverPrivate::handleActivatedIndicator(

        HbIndicatorInterface *activatedIndicator)

{

    m_q->onHandleActivatedIndicator(activatedIndicator);

}

/*!

    Nothing to do here but call the actual handler method.

 */

void ScreensaverPrivate::handleDeactivatedIndicator(

        HbIndicatorInterface *deactivatedIndicator)

{

    m_q->onHandleDeactivatedIndicator(deactivatedIndicator);

}