void PrintContext::outputLinkedDestinations(GraphicsContext& context,
const IntRect& pageRect) {
if (!m_linkedDestinationsValid) {
// Collect anchors in the top-level frame only because our PrintContext
// supports only one namespace for the anchors.
collectLinkedDestinations(frame()->document());
m_linkedDestinationsValid = true;
}
for (const auto& entry : m_linkedDestinations) {
LayoutObject* layoutObject = entry.value->layoutObject();
if (!layoutObject || !layoutObject->frameView())
continue;
IntRect boundingBox = layoutObject->absoluteBoundingBoxRect();
// TODO(bokan): boundingBox looks to be in content coordinates but
// convertToRootFrame doesn't apply scroll offsets when converting up to
// the root frame.
IntPoint point =
layoutObject->frameView()->convertToRootFrame(boundingBox.location());
if (!pageRect.contains(point))
continue;
point.clampNegativeToZero();
context.setURLDestinationLocation(entry.key, point);
}
}
void PrintContext::outputLinkedDestinations(GraphicsContext& graphicsContext, Node* node, const IntRect& pageRect)
{
if (!m_linkedDestinationsValid) {
collectLinkedDestinations(node);
m_linkedDestinationsValid = true;
}
WillBeHeapHashMap<String, RawPtrWillBeMember<Element> >::const_iterator end = m_linkedDestinations.end();
for (WillBeHeapHashMap<String, RawPtrWillBeMember<Element> >::const_iterator it = m_linkedDestinations.begin(); it != end; ++it) {
RenderObject* renderer = it->value->renderer();
if (renderer) {
IntRect boundingBox = renderer->absoluteBoundingBoxRect();
if (pageRect.intersects(boundingBox)) {
IntPoint point = boundingBox.minXMinYCorner();
point.clampNegativeToZero();
graphicsContext.addURLTargetAtPoint(it->key, point);
}
}
}
}
void PrintContext::collectLinkedDestinations(Node* node)
{
for (Node* i = node->firstChild(); i; i = i->nextSibling())
collectLinkedDestinations(i);
if (!node->isLink() || !node->isElementNode())
return;
const AtomicString& href = toElement(node)->getAttribute(HTMLNames::hrefAttr);
if (href.isNull())
return;
KURL url = node->document().completeURL(href);
if (!url.isValid())
return;
if (url.hasFragmentIdentifier() && equalIgnoringFragmentIdentifier(url, node->document().baseURL())) {
String name = url.fragmentIdentifier();
Element* element = node->document().findAnchor(name);
if (element)
m_linkedDestinations.set(name, element);
}
}
void PrintContext::outputLinkedDestinations(SkCanvas* canvas, const IntRect& pageRect)
{
if (!m_linkedDestinationsValid) {
// Collect anchors in the top-level frame only because our PrintContext
// supports only one namespace for the anchors.
collectLinkedDestinations(frame()->document());
m_linkedDestinationsValid = true;
}
for (const auto& entry : m_linkedDestinations) {
LayoutObject* layoutObject = entry.value->layoutObject();
if (!layoutObject || !layoutObject->frameView())
continue;
IntRect boundingBox = layoutObject->absoluteBoundingBoxRect();
boundingBox = layoutObject->frameView()->convertToContainingWindow(boundingBox);
if (!pageRect.intersects(boundingBox))
continue;
IntPoint point = boundingBox.minXMinYCorner();
point.clampNegativeToZero();
SkAutoDataUnref nameData(SkData::NewWithCString(entry.key.utf8().data()));
SkAnnotateNamedDestination(canvas, SkPoint::Make(point.x(), point.y()), nameData);
}
}
