void WebKitMutationObserver::observe(Node* node, MutationObserverOptions options, const HashSet<AtomicString>& attributeFilter, ExceptionCode& ec)
{
if (!node) {
ec = NOT_FOUND_ERR;
return;
}
if (!validateOptions(options)) {
// FIXME: Revisit this once the spec specifies the exception type; SYNTAX_ERR may not be appropriate.
ec = SYNTAX_ERR;
return;
}
MutationObserverRegistration* registration = node->registerMutationObserver(this);
registration->resetObservation(options, attributeFilter);
node->document()->addMutationObserverTypes(registration->mutationTypes());
}
void WebKitMutationObserver::observe(Node* node, const Dictionary& optionsDictionary, ExceptionCode& ec)
{
if (!node) {
ec = NOT_FOUND_ERR;
return;
}
if (optionsDictionary.isUndefinedOrNull()) {
ec = TYPE_MISMATCH_ERR;
return;
}
static const struct {
const char* name;
MutationObserverOptions value;
} booleanOptions[] = {
{ "childList", WebKitMutationObserver::ChildList },
{ "attributes", WebKitMutationObserver::Attributes },
{ "characterData", WebKitMutationObserver::CharacterData },
{ "subtree", WebKitMutationObserver::Subtree },
{ "attributeOldValue", WebKitMutationObserver::AttributeOldValue },
{ "characterDataOldValue", WebKitMutationObserver::CharacterDataOldValue }
};
MutationObserverOptions options = 0;
for (unsigned i = 0; i < sizeof(booleanOptions) / sizeof(booleanOptions[0]); ++i) {
bool value = false;
if (optionsDictionary.get(booleanOptions[i].name, value) && value)
options |= booleanOptions[i].value;
}
HashSet<AtomicString> attributeFilter;
if (optionsDictionary.get("attributeFilter", attributeFilter))
options |= WebKitMutationObserver::AttributeFilter;
if (!validateOptions(options)) {
ec = SYNTAX_ERR;
return;
}
MutationObserverRegistration* registration = node->registerMutationObserver(this);
registration->resetObservation(options, attributeFilter);
node->document()->addMutationObserverTypes(registration->mutationTypes());
}
