Exemplos de scrollLayerForScrollableArea em C++ (Cpp)

Exemplo n.º 1

void ScrollingCoordinatorCoordinatedGraphics::scrollableAreaScrollLayerDidChange(ScrollableArea& scrollableArea)
{
    CoordinatedGraphicsLayer* layer = toCoordinatedGraphicsLayer(scrollLayerForScrollableArea(scrollableArea));
    if (!layer)
        return;

    layer->setScrollableArea(&scrollableArea);
}

Exemplo n.º 2

void ScrollingCoordinatorCoordinatedGraphics::willDestroyScrollableArea(ScrollableArea& scrollableArea)
{
    CoordinatedGraphicsLayer* layer = toCoordinatedGraphicsLayer(scrollLayerForScrollableArea(scrollableArea));
    if (!layer)
        return;

    layer->setScrollableArea(nullptr);
}

Exemplo n.º 3

void ScrollingCoordinatorChromium::scrollableAreaScrollLayerDidChange(ScrollableArea* scrollableArea)
{
    GraphicsLayerChromium* scrollLayer = static_cast<GraphicsLayerChromium*>(scrollLayerForScrollableArea(scrollableArea));
    if (scrollLayer)
        scrollLayer->setScrollableArea(scrollableArea);

    WebLayer* webLayer = scrollingWebLayerForScrollableArea(scrollableArea);
    if (webLayer) {
        webLayer->setScrollable(true);
        webLayer->setScrollPosition(IntPoint(scrollableArea->scrollPosition() - scrollableArea->minimumScrollPosition()));
        webLayer->setMaxScrollPosition(IntSize(scrollableArea->scrollSize(HorizontalScrollbar), scrollableArea->scrollSize(VerticalScrollbar)));
    }
    if (WebScrollbarLayer* scrollbarLayer = getWebScrollbarLayer(scrollableArea, HorizontalScrollbar))
        setupScrollbarLayer(horizontalScrollbarLayerForScrollableArea(scrollableArea), scrollbarLayer, webLayer);
    if (WebScrollbarLayer* scrollbarLayer = getWebScrollbarLayer(scrollableArea, VerticalScrollbar))
        setupScrollbarLayer(verticalScrollbarLayerForScrollableArea(scrollableArea), scrollbarLayer, webLayer);
}

Exemplo n.º 4

WebLayer* ScrollingCoordinatorChromium::scrollingWebLayerForScrollableArea(ScrollableArea* scrollableArea)
{
    GraphicsLayer* graphicsLayer = scrollLayerForScrollableArea(scrollableArea);
    return graphicsLayer ? scrollingWebLayerForGraphicsLayer(graphicsLayer) : 0;
}