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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Base class for all screensavers.
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*
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*/
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#include "screensaver_p.h"
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/*!
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\class Screensaver
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\brief The private implementation of the Screensaver.
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*/
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/*!
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Constructs a new ScreensaverPrivate with \a screensaverPublic.
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*/
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ScreensaverPrivate::ScreensaverPrivate(Screensaver * const screensaverPublic) :
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m_q(screensaverPublic), mState(ScreensaverStateConstructed)
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{
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}
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/*!
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Destructs the class.
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*/
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ScreensaverPrivate::~ScreensaverPrivate()
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{
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}
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/*!
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Return current state.
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\return Current state.
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*/
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ScreensaverState ScreensaverPrivate::currentState()
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{
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return mState;
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}
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/*!
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Change state on Initialized.
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*/
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void ScreensaverPrivate::initialize()
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{
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switch (mState)
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{
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case ScreensaverStateConstructed:
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case ScreensaverStateClosed:
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break;
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default:
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return;
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}
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mState = ScreensaverStateInitialized;
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if (!m_q->onInitialize()) {
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emit m_q->faulted();
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}
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}
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/*!
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Change state on Foreground.
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*/
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void ScreensaverPrivate::foreground()
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{
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switch (mState)
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{
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case ScreensaverStateInitialized:
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case ScreensaverStateBackground:
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case ScreensaverStatePowerSave:
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case ScreensaverStatePartialForeground:
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break;
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default:
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return;
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}
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mState = ScreensaverStateForeground;
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if (!m_q->onForeground()) {
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emit m_q->faulted();
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}
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}
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/*!
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Change state on PartialForeground.
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*/
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void ScreensaverPrivate::partialForeground()
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{
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switch (mState)
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{
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case ScreensaverStateInitialized:
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case ScreensaverStateForeground:
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case ScreensaverStateBackground:
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break;
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default:
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return;
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}
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mState = ScreensaverStatePartialForeground;
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if (!m_q->onPartialForeground()) {
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emit m_q->faulted();
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}
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}
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/*!
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Change state on Background.
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*/
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void ScreensaverPrivate::background()
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{
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switch (mState)
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{
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case ScreensaverStateInitialized:
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case ScreensaverStateForeground:
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case ScreensaverStatePartialForeground:
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case ScreensaverStatePowerSave:
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break;
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default:
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return;
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}
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mState = ScreensaverStateBackground;
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if (!m_q->onBackground()) {
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emit m_q->faulted();
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}
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}
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/*!
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Change state on Disabled.
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*/
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void ScreensaverPrivate::powerSave()
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{
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switch (mState)
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{
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case ScreensaverStateBackground:
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break;
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default:
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return;
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}
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mState = ScreensaverStatePowerSave;
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if (!m_q->onPowerSave()) {
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emit m_q->faulted();
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}
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}
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/*!
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Change state on Closed.
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*/
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void ScreensaverPrivate::close()
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{
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switch (mState)
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{
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case ScreensaverStateInitialized:
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case ScreensaverStateBackground:
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case ScreensaverStateForeground:
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case ScreensaverStatePartialForeground:
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case ScreensaverStatePowerSave:
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break;
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default:
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return;
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}
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mState = ScreensaverStateClosed;
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if (!m_q->onClose()) {
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emit m_q->faulted();
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}
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}
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