void PinchViewport::setupScrollbar(WebScrollbar::Orientation orientation)
{
bool isHorizontal = orientation == WebScrollbar::Horizontal;
GraphicsLayer* scrollbarGraphicsLayer = isHorizontal ?
m_overlayScrollbarHorizontal.get() : m_overlayScrollbarVertical.get();
OwnPtr<WebScrollbarLayer>& webScrollbarLayer = isHorizontal ?
m_webOverlayScrollbarHorizontal : m_webOverlayScrollbarVertical;
const int overlayScrollbarThickness = m_frameHost.settings().pinchOverlayScrollbarThickness();
if (!webScrollbarLayer) {
ScrollingCoordinator* coordinator = m_frameHost.page().scrollingCoordinator();
ASSERT(coordinator);
ScrollbarOrientation webcoreOrientation = isHorizontal ? HorizontalScrollbar : VerticalScrollbar;
webScrollbarLayer = coordinator->createSolidColorScrollbarLayer(webcoreOrientation, overlayScrollbarThickness, 0, false);
webScrollbarLayer->setClipLayer(m_innerViewportContainerLayer->platformLayer());
scrollbarGraphicsLayer->setContentsToPlatformLayer(webScrollbarLayer->layer());
scrollbarGraphicsLayer->setDrawsContent(false);
}
int xPosition = isHorizontal ? 0 : m_innerViewportContainerLayer->size().width() - overlayScrollbarThickness;
int yPosition = isHorizontal ? m_innerViewportContainerLayer->size().height() - overlayScrollbarThickness : 0;
int width = isHorizontal ? m_innerViewportContainerLayer->size().width() - overlayScrollbarThickness : overlayScrollbarThickness;
int height = isHorizontal ? overlayScrollbarThickness : m_innerViewportContainerLayer->size().height() - overlayScrollbarThickness;
// Use the GraphicsLayer to position the scrollbars.
scrollbarGraphicsLayer->setPosition(IntPoint(xPosition, yPosition));
scrollbarGraphicsLayer->setSize(IntSize(width, height));
scrollbarGraphicsLayer->setContentsRect(IntRect(0, 0, width, height));
}
void VisualViewport::setupScrollbar(WebScrollbar::Orientation orientation) {
bool isHorizontal = orientation == WebScrollbar::Horizontal;
GraphicsLayer* scrollbarGraphicsLayer =
isHorizontal ? m_overlayScrollbarHorizontal.get()
: m_overlayScrollbarVertical.get();
std::unique_ptr<WebScrollbarLayer>& webScrollbarLayer =
isHorizontal ? m_webOverlayScrollbarHorizontal
: m_webOverlayScrollbarVertical;
ScrollbarThemeOverlay& theme = ScrollbarThemeOverlay::mobileTheme();
int thumbThickness = theme.thumbThickness();
int scrollbarThickness = theme.scrollbarThickness(RegularScrollbar);
int scrollbarMargin = theme.scrollbarMargin();
if (!webScrollbarLayer) {
ScrollingCoordinator* coordinator =
frameHost().page().scrollingCoordinator();
ASSERT(coordinator);
ScrollbarOrientation webcoreOrientation =
isHorizontal ? HorizontalScrollbar : VerticalScrollbar;
webScrollbarLayer = coordinator->createSolidColorScrollbarLayer(
webcoreOrientation, thumbThickness, scrollbarMargin, false);
// The compositor will control the scrollbar's visibility. Set to invisible
// by default so scrollbars don't show up in layout tests.
webScrollbarLayer->layer()->setOpacity(0);
scrollbarGraphicsLayer->setContentsToPlatformLayer(
webScrollbarLayer->layer());
scrollbarGraphicsLayer->setDrawsContent(false);
}
int xPosition = isHorizontal ? 0
: m_innerViewportContainerLayer->size().width() -
scrollbarThickness;
int yPosition =
isHorizontal
? m_innerViewportContainerLayer->size().height() - scrollbarThickness
: 0;
int width =
isHorizontal
? m_innerViewportContainerLayer->size().width() - scrollbarThickness
: scrollbarThickness;
int height = isHorizontal ? scrollbarThickness
: m_innerViewportContainerLayer->size().height() -
scrollbarThickness;
// Use the GraphicsLayer to position the scrollbars.
scrollbarGraphicsLayer->setPosition(IntPoint(xPosition, yPosition));
scrollbarGraphicsLayer->setSize(FloatSize(width, height));
scrollbarGraphicsLayer->setContentsRect(IntRect(0, 0, width, height));
}
