static void networkStateChanged()
{
Vector<RefPtr<Frame> > frames;
// Get all the frames of all the pages in all the page groups
if(allPages) // Added by Paul Pedriana, 1/2009.
{
HashSet<Page*>::iterator end = allPages->end();
for (HashSet<Page*>::iterator it = allPages->begin(); it != end; ++it) {
for (Frame* frame = (*it)->mainFrame(); frame; frame = frame->tree()->traverseNext())
frames.append(frame);
}
}
//+daw ca 30/07/2008 static and global management
AtomicString eventName = NetworkStateNotifier::networkStateNotifier()->onLine() ? eventNames().onlineEvent : eventNames().offlineEvent;
//-daw ca
for (unsigned i = 0; i < frames.size(); i++) {
Document* document = frames[i]->document();
if (!document)
continue;
// If the document does not have a body the event should be dispatched to the document
EventTargetNode* eventTarget = document->body();
if (!eventTarget)
eventTarget = document;
eventTarget->dispatchHTMLEvent(eventName, false, false);
}
}
static void networkStateChanged()
{
Vector<RefPtr<Frame> > frames;
// Get all the frames of all the pages in all the page groups
HashSet<Page*>::iterator end = allPages->end();
for (HashSet<Page*>::iterator it = allPages->begin(); it != end; ++it) {
for (Frame* frame = (*it)->mainFrame(); frame; frame = frame->tree()->traverseNext())
frames.append(frame);
}
AtomicString eventName = networkStateNotifier().onLine() ? onlineEvent : offlineEvent;
for (unsigned i = 0; i < frames.size(); i++) {
Document* document = frames[i]->document();
if (!document)
continue;
// If the document does not have a body the event should be dispatched to the document
EventTargetNode* eventTarget = document->body();
if (!eventTarget)
eventTarget = document;
eventTarget->dispatchHTMLEvent(eventName, false, false);
}
}
bool EventTargetNode::dispatchGenericEvent(PassRefPtr<Event> prpEvent)
{
RefPtr<Event> event(prpEvent);
ASSERT(!eventDispatchForbidden());
ASSERT(event->target());
ASSERT(!event->type().isNull()); // JavaScript code can create an event with an empty name, but not null.
// Make a vector of ancestors to send the event to.
// If the node is not in a document just send the event to it.
// Be sure to ref all of nodes since event handlers could result in the last reference going away.
RefPtr<EventTargetNode> thisNode(this);
Vector<RefPtr<ContainerNode> > ancestors;
if (inDocument()) {
for (ContainerNode* ancestor = eventParentNode(); ancestor; ancestor = ancestor->eventParentNode()) {
#if ENABLE(SVG)
// Skip <use> shadow tree elements.
if (ancestor->isSVGElement() && ancestor->isShadowNode())
continue;
#endif
ancestors.append(ancestor);
}
}
// Set up a pointer to indicate whether to dispatch window events.
// We don't dispatch load events to the window. That quirk was originally
// added because Mozilla doesn't propagate load events to the window object.
Document* documentForWindowEvents = 0;
if (event->type() != eventNames().loadEvent) {
EventTargetNode* topLevelContainer = ancestors.isEmpty() ? this : ancestors.last().get();
if (topLevelContainer->isDocumentNode())
documentForWindowEvents = static_cast<Document*>(topLevelContainer);
}
// Give the target node a chance to do some work before DOM event handlers get a crack.
void* data = preDispatchEventHandler(event.get());
if (event->propagationStopped())
goto doneDispatching;
// Trigger capturing event handlers, starting at the top and working our way down.
event->setEventPhase(Event::CAPTURING_PHASE);
if (documentForWindowEvents) {
event->setCurrentTarget(documentForWindowEvents);
documentForWindowEvents->handleWindowEvent(event.get(), true);
if (event->propagationStopped())
goto doneDispatching;
}
for (size_t i = ancestors.size(); i; --i) {
ContainerNode* ancestor = ancestors[i - 1].get();
event->setCurrentTarget(eventTargetRespectingSVGTargetRules(ancestor));
ancestor->handleLocalEvents(event.get(), true);
if (event->propagationStopped())
goto doneDispatching;
}
event->setEventPhase(Event::AT_TARGET);
// We do want capturing event listeners to be invoked here, even though
// that violates some versions of the DOM specification; Mozilla does it.
event->setCurrentTarget(eventTargetRespectingSVGTargetRules(this));
handleLocalEvents(event.get(), true);
if (event->propagationStopped())
goto doneDispatching;
handleLocalEvents(event.get(), false);
if (event->propagationStopped())
goto doneDispatching;
if (event->bubbles() && !event->cancelBubble()) {
// Trigger bubbling event handlers, starting at the bottom and working our way up.
event->setEventPhase(Event::BUBBLING_PHASE);
size_t size = ancestors.size();
for (size_t i = 0; i < size; ++i) {
ContainerNode* ancestor = ancestors[i].get();
event->setCurrentTarget(eventTargetRespectingSVGTargetRules(ancestor));
ancestor->handleLocalEvents(event.get(), false);
if (event->propagationStopped() || event->cancelBubble())
goto doneDispatching;
}
if (documentForWindowEvents) {
event->setCurrentTarget(documentForWindowEvents);
documentForWindowEvents->handleWindowEvent(event.get(), false);
if (event->propagationStopped() || event->cancelBubble())
goto doneDispatching;
}
}
doneDispatching:
event->setCurrentTarget(0);
event->setEventPhase(0);
// Pass the data from the preDispatchEventHandler to the postDispatchEventHandler.
postDispatchEventHandler(event.get(), data);
// Call default event handlers. While the DOM does have a concept of preventing
// default handling, the detail of which handlers are called is an internal
// implementation detail and not part of the DOM.
if (!event->defaultPrevented() && !event->defaultHandled()) {
// Non-bubbling events call only one default event handler, the one for the target.
defaultEventHandler(event.get());
ASSERT(!event->defaultPrevented());
if (event->defaultHandled())
goto doneWithDefault;
// For bubbling events, call default event handlers on the same targets in the
// same order as the bubbling phase.
if (event->bubbles()) {
size_t size = ancestors.size();
for (size_t i = 0; i < size; ++i) {
ContainerNode* ancestor = ancestors[i].get();
ancestor->defaultEventHandler(event.get());
ASSERT(!event->defaultPrevented());
if (event->defaultHandled())
goto doneWithDefault;
}
}
}
doneWithDefault:
Document::updateDocumentsRendering();
return !event->defaultPrevented();
}
bool EventTarget::dispatchGenericEvent(EventTargetNode* referenceNode, PassRefPtr<Event> e, ExceptionCode&, bool tempEvent)
{
RefPtr<Event> evt(e);
ASSERT(!eventDispatchForbidden());
ASSERT(evt->target());
ASSERT(!evt->type().isNull()); // JavaScript code could create an event with an empty name
// work out what nodes to send event to
DeprecatedPtrList<Node> nodeChain;
if (referenceNode->inDocument()) {
for (Node* n = referenceNode; n; n = n->eventParentNode()) {
n->ref();
nodeChain.prepend(n);
}
} else {
// if node is not in the document just send event to itself
referenceNode->ref();
nodeChain.prepend(referenceNode);
}
DeprecatedPtrListIterator<Node> it(nodeChain);
// Before we begin dispatching events, give the target node a chance to do some work prior
// to the DOM event handlers getting a crack.
void* data = preDispatchEventHandler(evt.get());
// trigger any capturing event handlers on our way down
evt->setEventPhase(Event::CAPTURING_PHASE);
it.toFirst();
// Handle window events for capture phase, except load events, this quirk is needed
// because Mozilla used to never propagate load events to the window object
if (evt->type() != eventNames().loadEvent && it.current()->isDocumentNode() && !evt->propagationStopped())
static_cast<Document*>(it.current())->handleWindowEvent(evt.get(), true);
EventTargetNode* eventTargetNode = 0;
for (; it.current() && it.current() != referenceNode && !evt->propagationStopped(); ++it) {
eventTargetNode = EventTargetNodeCast(it.current());
evt->setCurrentTarget(eventTargetRespectingSVGTargetRules(eventTargetNode));
eventTargetNode->handleLocalEvents(evt.get(), true);
}
// dispatch to the actual target node
it.toLast();
if (!evt->propagationStopped()) {
evt->setEventPhase(Event::AT_TARGET);
eventTargetNode = EventTargetNodeCast(it.current());
evt->setCurrentTarget(eventTargetRespectingSVGTargetRules(eventTargetNode));
// We do want capturing event listeners to be invoked here, even though
// that violates the specification since Mozilla does it.
eventTargetNode->handleLocalEvents(evt.get(), true);
eventTargetNode->handleLocalEvents(evt.get(), false);
}
--it;
// ok, now bubble up again (only non-capturing event handlers will be called)
// ### recalculate the node chain here? (e.g. if target node moved in document by previous event handlers)
// no. the DOM specs says:
// The chain of EventTargets from the event target to the top of the tree
// is determined before the initial dispatch of the event.
// If modifications occur to the tree during event processing,
// event flow will proceed based on the initial state of the tree.
//
// since the initial dispatch is before the capturing phase,
// there's no need to recalculate the node chain.
// (tobias)
if (evt->bubbles()) {
evt->setEventPhase(Event::BUBBLING_PHASE);
for (; it.current() && !evt->propagationStopped() && !evt->cancelBubble(); --it) {
eventTargetNode = EventTargetNodeCast(it.current());
evt->setCurrentTarget(eventTargetRespectingSVGTargetRules(eventTargetNode));
eventTargetNode->handleLocalEvents(evt.get(), false);
}
it.toFirst();
// Handle window events for bubbling phase, except load events, this quirk is needed
// because Mozilla used to never propagate load events at all
if (evt->type() != eventNames().loadEvent && it.current()->isDocumentNode() && !evt->propagationStopped() && !evt->cancelBubble()) {
evt->setCurrentTarget(EventTargetNodeCast(it.current()));
static_cast<Document*>(it.current())->handleWindowEvent(evt.get(), false);
}
}
evt->setCurrentTarget(0);
evt->setEventPhase(0); // I guess this is correct, the spec does not seem to say
// anything about the default event handler phase.
// Now call the post dispatch.
postDispatchEventHandler(evt.get(), data);
// now we call all default event handlers (this is not part of DOM - it is internal to WebCore)
it.toLast();
if (evt->bubbles())
for (; it.current() && !evt->defaultPrevented() && !evt->defaultHandled(); --it)
EventTargetNodeCast(it.current())->defaultEventHandler(evt.get());
else if (!evt->defaultPrevented() && !evt->defaultHandled())
EventTargetNodeCast(it.current())->defaultEventHandler(evt.get());
// deref all nodes in chain
it.toFirst();
for (; it.current(); ++it)
it.current()->deref(); // this may delete us
Document::updateDocumentsRendering();
// If tempEvent is true, this means that the DOM implementation
// will not be storing a reference to the event, i.e. there is no
// way to retrieve it from javascript if a script does not already
// have a reference to it in a variable. So there is no need for
// the interpreter to keep the event in it's cache
Frame* frame = referenceNode->document()->frame();
if (tempEvent && frame && frame->script()->isEnabled())
frame->script()->finishedWithEvent(evt.get());
return !evt->defaultPrevented(); // ### what if defaultPrevented was called before dispatchEvent?
}
