Beispiel #1
0
void QWebFrameAdapter::setFixedVisibleContentRect(const QRect& rect)
{
    ASSERT(pageAdapter->mainFrameAdapter() == this);
    FrameView* view = frame->view();
    ASSERT(view);
    view->setFixedVisibleContentRect(rect);
}
Beispiel #2
0
bool ScrollingCoordinatorCoordinatedGraphics::requestScrollPositionUpdate(FrameView& frameView, const IntPoint& scrollPosition)
{
    if (!frameView.delegatesScrolling())
        return false;

    frameView.setFixedVisibleContentRect(IntRect(scrollPosition, frameView.visibleContentRect().size()));
    frameView.hostWindow()->delegatedScrollRequested(scrollPosition);
    return true;
}
void CompositingCoordinator::setVisibleContentsRect(const FloatRect& rect, const FloatPoint& trajectoryVector)
{
    // A zero trajectoryVector indicates that tiles all around the viewport are requested.
    if (CoordinatedGraphicsLayer* contentsLayer = mainContentsLayer())
        contentsLayer->setVisibleContentRectTrajectoryVector(trajectoryVector);

    bool contentsRectDidChange = rect != m_visibleContentsRect;
    if (contentsRectDidChange) {
        m_visibleContentsRect = rect;

        for (auto& registeredLayer : m_registeredLayers.values())
            registeredLayer->setNeedsVisibleRectAdjustment();
    }

    FrameView* view = m_page->mainFrame().view();
    if (view->useFixedLayout() && contentsRectDidChange) {
        // Round the rect instead of enclosing it to make sure that its size stays
        // the same while panning. This can have nasty effects on layout.
        view->setFixedVisibleContentRect(roundedIntRect(rect));
    }
}