void ScrollingCoordinatorChromium::touchEventTargetRectsDidChange(const Document*)
{
#if ENABLE(TOUCH_EVENT_TRACKING)
// The rects are always evaluated and used in the main frame coordinates.
FrameView* frameView = m_page->mainFrame()->view();
Document* document = m_page->mainFrame()->document();
// Wait until after layout to update.
if (frameView->needsLayout() || !document)
return;
Vector<IntRect> touchEventTargetRects;
computeAbsoluteTouchEventTargetRects(document, touchEventTargetRects);
setTouchEventTargetRects(touchEventTargetRects);
#endif
}
void ScrollingCoordinatorChromium::frameViewLayoutUpdated(FrameView*)
{
ASSERT(m_page);
// Compute the region of the page that we can't do fast scrolling for. This currently includes
// all scrollable areas, such as subframes, overflow divs and list boxes, whose composited
// scrolling are not enabled. We need to do this even if the frame view whose layout was updated
// is not the main frame.
Region nonFastScrollableRegion = computeNonFastScrollableRegion(m_page->mainFrame(), IntPoint());
setNonFastScrollableRegion(nonFastScrollableRegion);
#if ENABLE(TOUCH_EVENT_TRACKING)
Vector<IntRect> touchEventTargetRects;
computeAbsoluteTouchEventTargetRects(m_page->mainFrame()->document(), touchEventTargetRects);
setTouchEventTargetRects(touchEventTargetRects);
#endif
}
void ScrollingCoordinatorChromium::touchEventTargetRectsDidChange(const Document* document)
{
#if ENABLE(TOUCH_EVENT_TRACKING)
// Wait until after layout to update.
if (m_page->mainFrame()->view()->needsLayout())
return;
// We won't necessarily get a setScrollLayer() call before this one, so grab the root ourselves.
setScrollLayer(scrollLayerForFrameView(m_page->mainFrame()->view()));
if (m_private->scrollLayer()) {
Vector<IntRect> touchEventTargetRects;
computeAbsoluteTouchEventTargetRects(document, touchEventTargetRects);
setTouchEventTargetRects(touchEventTargetRects);
}
#else
UNUSED_PARAM(document);
#endif
}
