Beispiel #1
0
void Page::setPageScaleFactor(float scale, const IntPoint& origin)
{
    FrameView* view = mainFrame()->view();

    if (scale != m_pageScaleFactor) {
        m_pageScaleFactor = scale;

        if (view)
            view->setVisibleContentScaleFactor(scale);

        mainFrame()->deviceOrPageScaleFactorChanged();

        if (view)
            view->setViewportConstrainedObjectsNeedLayout();
    }

    if (view && view->scrollPosition() != origin)
        view->notifyScrollPositionChanged(origin);
}
Beispiel #2
0
void Page::setPageScaleFactor(float scale, const IntPoint& origin)
{
    Document* document = mainFrame()->document();
    FrameView* view = document->view();

    if (scale == m_pageScaleFactor) {
        if (view && (view->scrollPosition() != origin || view->delegatesScrolling())) {
            if (!m_settings->applyPageScaleFactorInCompositor())
                document->updateLayoutIgnorePendingStylesheets();
            view->setScrollPosition(origin);
        }
        return;
    }

    m_pageScaleFactor = scale;

    if (!m_settings->applyPageScaleFactorInCompositor()) {
        if (document->renderer())
            document->renderer()->setNeedsLayout(true);

        document->recalcStyle(Style::Force);

        // Transform change on RenderView doesn't trigger repaint on non-composited contents.
        mainFrame()->view()->invalidateRect(IntRect(LayoutRect::infiniteRect()));
    }

#if USE(ACCELERATED_COMPOSITING)
    mainFrame()->deviceOrPageScaleFactorChanged();
#endif

    if (view && view->fixedElementsLayoutRelativeToFrame())
        view->setViewportConstrainedObjectsNeedLayout();

    if (view && view->scrollPosition() != origin) {
        if (!m_settings->applyPageScaleFactorInCompositor() && document->renderer() && document->renderer()->needsLayout() && view->didFirstLayout())
            view->layout();
        view->setScrollPosition(origin);
    }
}