screensaver/screensavermodel/src/screensaver_p.cpp
changeset 62 341166945d65
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/screensaver/screensavermodel/src/screensaver_p.cpp	Fri Jun 25 19:19:22 2010 +0300
@@ -0,0 +1,202 @@
+/*
+* 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);
+}
+