static void accumulateDocumentEventTargetRects(Vector<IntRect>& rects, const Document* document)
{
ASSERT(document);
if (!document->touchEventTargets())
return;
const TouchEventTargetSet* targets = document->touchEventTargets();
for (TouchEventTargetSet::const_iterator iter = targets->begin(); iter != targets->end(); ++iter) {
const Node* touchTarget = iter->key;
if (!touchTarget->inDocument())
continue;
if (touchTarget == document) {
if (RenderView* view = document->renderView()) {
IntRect r = enclosingIntRect(view->clippedOverflowRectForRepaint(0));
if (!r.isEmpty())
rects.append(r);
}
return;
}
if (touchTarget->isDocumentNode() && touchTarget != document) {
accumulateDocumentEventTargetRects(rects, static_cast<const Document*>(touchTarget));
continue;
}
if (RenderObject* renderer = touchTarget->renderer())
accumulateRendererTouchEventTargetRects(rects, renderer);
}
}
void ScrollingCoordinator::computeAbsoluteTouchEventTargetRects(const Document* document, Vector<IntRect>& rects)
{
ASSERT(document);
if (!document->view())
return;
// FIXME: These rects won't be properly updated if the renderers are in a sub-tree that scrolls.
accumulateDocumentEventTargetRects(rects, document);
}