void HTMLStyleElementImp::handleMutation(EventListenerImp* listener, events::Event event)
{
// TODO: update type, media, and scoped. Then check type.
events::MutationEvent mutation(interface_cast<events::MutationEvent>(event));
DocumentImp* document = getOwnerDocumentImp();
if (!document)
return;
if (mutation.getType() == u"DOMNodeRemoved" && event.getTarget().self() == this)
styleSheet = 0;
else {
std::u16string content;
for (Node node = getFirstChild(); node; node = node.getNextSibling()) {
if (TextImp* text = dynamic_cast<TextImp*>(node.self())) // TODO better to avoid imp call?
content += text->getData();
}
CSSParser parser;
styleSheet = parser.parse(document, content);
if (auto imp = dynamic_cast<CSSStyleSheetImp*>(styleSheet.self())) {
imp->setOwnerNode(this);
if (4 <= getLogLevel())
dumpStyleSheet(std::cerr, imp);
}
}
if (WindowImp* view = document->getDefaultWindow())
view->setFlags(Box::NEED_SELECTOR_REMATCHING);
document->resetStyleSheets();
}
bool EventTargetImp::dispatchEvent(events::Event evt)
{
EventImp* event = dynamic_cast<EventImp*>(evt.self());
if (!event)
return false;
event->setDispatchFlag(true);
if (auto documentWindow = dynamic_cast<DocumentWindow*>(this))
event->setTarget(documentWindow->getWindowImp());
else
event->setTarget(this);
if (NodeImp* node = dynamic_cast<NodeImp*>(this)) {
DocumentImp* document = dynamic_cast<DocumentImp*>(node);
if (!document)
document = node->getOwnerDocumentImp();
assert(document);
document->enter();
std::list<EventTargetImp*> eventPath;
for (NodeImp* ancestor = node->parentNode; ancestor; ancestor = ancestor->parentNode) {
if (auto shadowTree = dynamic_cast<HTMLTemplateElementImp*>(ancestor)) {
if (NodeImp* host = dynamic_cast<NodeImp*>(shadowTree->getHost().self())) {
// TODO: Fix 'target' of the event as well.
// TODO: Check the mouseover and mouseout events.
ancestor = host;
if (!dynamic_cast<UIEventImp*>(event)) {
// To repaint the window, we still need to notify the bound document
// of the event.
// TODO: Support nesting of bound elements.
eventPath.push_front(ancestor->getOwnerDocumentImp());
break;
}
}
}
eventPath.push_front(ancestor);
}
// cf. http://www.whatwg.org/specs/web-apps/current-work/multipage/webappapis.html#events-and-the-window-object
if (document && event->getType() != u"load") {
if (WindowImp* view = document->getDefaultWindow())
eventPath.push_front(view->getDocumentWindow().get());
}
event->setEventPhase(events::Event::CAPTURING_PHASE);
for (auto i = eventPath.begin(); i != eventPath.end(); ++i) {
if (event->getStopPropagationFlag())
break;
event->setCurrentTarget(*i);
(*i)->invoke(event);
}
event->setEventPhase(events::Event::AT_TARGET);
if (!event->getStopPropagationFlag()) {
event->setCurrentTarget(node);
node->invoke(event);
}
if (event->getBubbles()) {
event->setEventPhase(events::Event::BUBBLING_PHASE);
for (auto i = eventPath.rbegin(); i != eventPath.rend(); ++i) {
if (event->getStopPropagationFlag())
break;
event->setCurrentTarget(*i);
(*i)->invoke(event);
}
}
if (!event->getDefaultPrevented()) {
// TODO: Call default actions;
// cf. http://www.w3.org/TR/DOM-Level-3-Events/#event-flow-default-cancel
// cf. http://www.w3.org/TR/xbl/#the-default-phase0
event->setEventPhase(EventImp::DEFAULT_PHASE);
event->setCurrentTarget(node);
node->invoke(event);
if (event->getBubbles()) {
for (auto i = eventPath.rbegin(); i != eventPath.rend(); ++i) {
if (event->getDefaultPrevented())
break;
event->setCurrentTarget(*i);
(*i)->invoke(event);
}
}
}
document->exit();
} else if (DocumentWindow* window = dynamic_cast<DocumentWindow*>(this)) {
auto proxy = dynamic_cast<WindowImp*>(window->getDocument().getDefaultView().self());
window->enter(proxy);
event->setEventPhase(events::Event::AT_TARGET);
event->setCurrentTarget(this);
invoke(event);
window->exit(proxy);
}
event->setDispatchFlag(false);
event->setEventPhase(events::Event::AT_TARGET);
event->setCurrentTarget(0);
return !event->getDefaultPrevented();
}