Source/core/dom/CustomElement.cpp

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#include "config.h"
#include "core/dom/CustomElement.h"

#include "core/dom/CustomElementCallbackScheduler.h"
#include "core/dom/CustomElementRegistrationContext.h"
#include "core/dom/Element.h"

namespace WebCore {

void CustomElement::define(Element* element, PassRefPtr<CustomElementDefinition> passDefinition)
{
    RefPtr<CustomElementDefinition> definition(passDefinition);
    element->setCustomElementState(Element::Defined);
    definitions().add(element, definition);
    CustomElementCallbackScheduler::scheduleCreatedCallback(definition->callbacks(), element);
}

void CustomElement::attributeDidChange(Element* element, const AtomicString& name, const AtomicString& oldValue, const AtomicString& newValue)
{
    ASSERT(element->customElementState() == Element::Upgraded);
    CustomElementCallbackScheduler::scheduleAttributeChangedCallback(definitions().get(element)->callbacks(), element, name, oldValue, newValue);
}

void CustomElement::didEnterDocument(Element* element)
{
    ASSERT(element->customElementState() == Element::Upgraded);
    CustomElementCallbackScheduler::scheduleEnteredDocumentCallback(definitions().get(element)->callbacks(), element);
}

void CustomElement::didLeaveDocument(Element* element)
{
    ASSERT(element->customElementState() == Element::Upgraded);
    CustomElementCallbackScheduler::scheduleLeftDocumentCallback(definitions().get(element)->callbacks(), element);
}

void CustomElement::wasDestroyed(Element* element)
{
    definitions().remove(element);

    // FIXME: Elements should only depend on their document's
    // registration context at creation; maintain a mapping to
    // registration context for upgrade candidates.
    if (element->document() && element->document()->registrationContext())
        element->document()->registrationContext()->customElementWasDestroyed(element);
}

void CustomElement::DefinitionMap::add(Element* element, PassRefPtr<CustomElementDefinition> definition)
{
    ASSERT(definition.get());
    DefinitionMap::ElementDefinitionHashMap::AddResult result = m_definitions.add(element, definition);
    ASSERT(result.isNewEntry);
}

void CustomElement::DefinitionMap::remove(Element* element)
{
    m_definitions.remove(element);
}

CustomElementDefinition* CustomElement::DefinitionMap::get(Element* element)
{
    DefinitionMap::ElementDefinitionHashMap::const_iterator it = m_definitions.find(element);
    ASSERT(it != m_definitions.end());
    return it->value.get();
}

CustomElement::DefinitionMap& CustomElement::definitions()
{
    DEFINE_STATIC_LOCAL(DefinitionMap, definitionMap, ());
    return definitionMap;
}

} // namespace WebCore