void QtViewportHandler::flickMoveStarted()
{
Q_ASSERT(m_viewportItem->isMoving());
m_scrollUpdateDeferrer = adoptPtr(new ViewportUpdateDeferrer(this, ViewportUpdateDeferrer::DeferUpdateAndSuspendContent));
m_lastScrollPosition = m_viewportItem->contentPos();
connect(m_viewportItem, SIGNAL(contentXChanged()), SLOT(pageItemPositionChanged()));
connect(m_viewportItem, SIGNAL(contentYChanged()), SLOT(pageItemPositionChanged()));
}
void QtViewportHandler::flickMoveEnded()
{
Q_ASSERT(!m_viewportItem->isMoving());
// This method is called on the end of the pan or pan kinetic animation.
m_scrollUpdateDeferrer.clear();
m_lastScrollPosition = QPointF();
disconnect(m_viewportItem, SIGNAL(contentXChanged()), this, SLOT(pageItemPositionChanged()));
disconnect(m_viewportItem, SIGNAL(contentYChanged()), this, SLOT(pageItemPositionChanged()));
}
PageViewportControllerClientQt::PageViewportControllerClientQt(QQuickWebView* viewportItem, QQuickWebPage* pageItem)
: m_viewportItem(viewportItem)
, m_pageItem(pageItem)
, m_scaleAnimation(new ScaleAnimation(this))
, m_pinchStartScale(-1)
, m_lastCommittedScale(-1)
, m_zoomOutScale(0)
, m_isUserInteracting(false)
, m_ignoreViewportChanges(false)
{
m_scaleAnimation->setDuration(kScaleAnimationDurationMillis);
m_scaleAnimation->setEasingCurve(QEasingCurve::OutCubic);
connect(m_viewportItem, SIGNAL(movementStarted()), SLOT(flickMoveStarted()), Qt::DirectConnection);
connect(m_viewportItem, SIGNAL(movementEnded()), SLOT(flickMoveEnded()), Qt::DirectConnection);
connect(m_viewportItem, SIGNAL(contentXChanged()), SLOT(pageItemPositionChanged()));
connect(m_viewportItem, SIGNAL(contentYChanged()), SLOT(pageItemPositionChanged()));
connect(m_scaleAnimation, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State)),
SLOT(scaleAnimationStateChanged(QAbstractAnimation::State, QAbstractAnimation::State)));
}
