WebCore::IntRect CachedNode::cursorRingBounds(const CachedFrame* frame) const
{
int partMax = mNavableRects;
ASSERT(partMax > 0);
WebCore::IntRect bounds = mCursorRing[0];
for (int partIndex = 1; partIndex < partMax; partIndex++)
bounds.unite(mCursorRing[partIndex]);
bounds.inflate(CURSOR_RING_HIT_TEST_RADIUS);
return mIsInLayer ? frame->adjustBounds(this, bounds) : bounds;
}
void WebPageCompositorPrivate::findFixedElementRect(LayerCompositingThread* layer, WebCore::IntRect& fixedElementRect)
{
if ((layer->hasFixedContainer() || layer->isFixedPosition() || layer->hasFixedAncestorInDOMTree()) && layer->layerRenderer()) {
IntRect fixedRect = layer->layerRenderer()->toPixelViewportCoordinates(layer->boundingBox());
// FIXME: It's possible that the rects don't intersect now, but will be connected by a fixed rect found later.
// We need to handle it as well.
if (fixedElementRect.isEmpty() || fixedElementRect.intersects(fixedRect)) // Unite rects if they intersect each other.
fixedElementRect.unite(fixedRect);
else if (fixedRect.y() < fixedElementRect.y()) // Replace the fixedElementRect with fixedRect if fixedRect is above it (closer to top).
fixedElementRect = fixedRect;
}
const Vector<RefPtr<LayerCompositingThread> >& sublayers = layer->sublayers();
for (size_t i = 0; i < sublayers.size(); i++)
findFixedElementRect(sublayers[i].get(), fixedElementRect);
}