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/***************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (directui@nokia.com)
**
** This file is part of libmeegotouch.
**
** If you have questions regarding the use of this file, please contact
** Nokia at directui@nokia.com.
**
** This library is free software; you can redistribute it and/or
** modify it under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation
** and appearing in the file LICENSE.LGPL included in the packaging
** of this file.
**
****************************************************************************/
#include "mwidgetfadeanimation.h"
#include "mwidgetfadeanimation_p.h"
#include "manimationcreator.h"
#include <QPauseAnimation>
#include <QPropertyAnimation>
#include <QSequentialAnimationGroup>
#include <mwidgetcontroller.h>
void MWidgetFadeAnimationPrivate::init()
{
Q_Q(MWidgetFadeAnimation);
direction = MWidgetFadeAnimation::In;
QSequentialAnimationGroup *delayedAnimation = new QSequentialAnimationGroup;
delay = new QPauseAnimation;
opacityAnimation = new QPropertyAnimation;
opacityAnimation->setPropertyName("opacity");
delayedAnimation->addAnimation(delay);
delayedAnimation->addAnimation(opacityAnimation);
q->addAnimation(delayedAnimation);
}
MWidgetFadeAnimation::MWidgetFadeAnimation(MWidgetFadeAnimationPrivate *dd, QObject *parent) :
MAbstractWidgetAnimation(dd, parent)
{
Q_D(MWidgetFadeAnimation);
d->init();
}
MWidgetFadeAnimation::MWidgetFadeAnimation(QObject *parent) :
MAbstractWidgetAnimation(new MWidgetFadeAnimationPrivate, parent)
{
Q_D(MWidgetFadeAnimation);
d->init();
}
MWidgetFadeAnimation::~MWidgetFadeAnimation()
{
}
void MWidgetFadeAnimation::setTargetWidget(MWidgetController *widget)
{
Q_D(MWidgetFadeAnimation);
MAbstractWidgetAnimation::setTargetWidget(widget);
d->played = false;
d->opacityAnimation->setTargetObject(targetWidget());
}
void MWidgetFadeAnimation::restoreTargetWidgetState()
{
Q_D(MWidgetFadeAnimation);
if (d->played)
targetWidget()->setOpacity(d->originalOpacity);
}
void MWidgetFadeAnimation::setTransitionDirection(TransitionDirection direction)
{
Q_D(MWidgetFadeAnimation);
d->direction = direction;
if (d->direction == In)
style().setObjectName("In");
else
style().setObjectName("Out");
}
void MWidgetFadeAnimation::updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState)
{
Q_D(MWidgetFadeAnimation);
if (!d->targetWidget)
return;
if (oldState == QAbstractAnimation::Stopped &&
newState == QAbstractAnimation::Running)
{
if (style().objectName().isNull())
style().setObjectName("In");
d->originalOpacity = d->targetWidget->opacity();
if (d->direction == In) {
targetWidget()->setOpacity(0);
d->opacityAnimation->setStartValue(0);
d->opacityAnimation->setEndValue(style()->opacity());
} else {
d->opacityAnimation->setStartValue(style()->opacity());
d->opacityAnimation->setEndValue(0);
}
d->played = true;
d->delay->setDuration(style()->delay());
d->opacityAnimation->setDuration(style()->duration());
}
}
M_REGISTER_ANIMATION(MWidgetFadeAnimation)
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