root/Source/core/dom/custom/CustomElement.cpp

DEFINITIONS

1. didCreateImport
2. embedderCustomElementNames
3. addEmbedderCustomElementName
4. isValidName
5. define
6. attributeDidChange
7. didEnterDocument
8. didLeaveDocument
9. wasDestroyed

/*
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 * modification, are permitted provided that the following conditions
 * are met:
 *
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 *    notice, this list of conditions and the following disclaimer.
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 *    notice, this list of conditions and the following disclaimer
 *    in the documentation and/or other materials provided with the
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 *    may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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#include "config.h"
#include "core/dom/custom/CustomElement.h"

#include "HTMLNames.h"
#include "MathMLNames.h"
#include "SVGNames.h"
#include "core/dom/Element.h"
#include "core/dom/custom/CustomElementObserver.h"
#include "core/dom/custom/CustomElementScheduler.h"

namespace WebCore {

CustomElementMicrotaskImportStep* CustomElement::didCreateImport(HTMLImportChild* import)
{
    return CustomElementScheduler::scheduleImport(import);
}

Vector<AtomicString>& CustomElement::embedderCustomElementNames()
{
    DEFINE_STATIC_LOCAL(Vector<AtomicString>, names, ());
    return names;
}

void CustomElement::addEmbedderCustomElementName(const AtomicString& name)
{
    AtomicString lower = name.lower();
    if (isValidName(lower, EmbedderNames))
        return;
    embedderCustomElementNames().append(lower);
}

bool CustomElement::isValidName(const AtomicString& name, NameSet validNames)
{
    if ((validNames & EmbedderNames) && kNotFound != embedderCustomElementNames().find(name))
        return Document::isValidName(name);

    if ((validNames & StandardNames) && kNotFound != name.find('-')) {
        DEFINE_STATIC_LOCAL(Vector<AtomicString>, reservedNames, ());
        if (reservedNames.isEmpty()) {
            reservedNames.append(MathMLNames::annotation_xmlTag.localName());
            // In principle, "color-profile" should exist in the SVGNames
            // namespace, but we don't implement the color-profile element.
            reservedNames.append("color-profile");
            reservedNames.append(SVGNames::font_faceTag.localName());
            reservedNames.append(SVGNames::font_face_srcTag.localName());
            reservedNames.append(SVGNames::font_face_uriTag.localName());
            reservedNames.append(SVGNames::font_face_formatTag.localName());
            reservedNames.append(SVGNames::font_face_nameTag.localName());
            reservedNames.append(SVGNames::missing_glyphTag.localName());
        }

        if (kNotFound == reservedNames.find(name))
            return Document::isValidName(name.string());
    }

    return false;
}

void CustomElement::define(Element* element, PassRefPtr<CustomElementDefinition> passDefinition)
{
    RefPtr<CustomElementDefinition> definition(passDefinition);

    switch (element->customElementState()) {
    case Element::NotCustomElement:
    case Element::Upgraded:
        ASSERT_NOT_REACHED();
        break;

    case Element::WaitingForUpgrade:
        element->setCustomElementDefinition(definition);
        CustomElementScheduler::scheduleCallback(definition->callbacks(), element, CustomElementLifecycleCallbacks::Created);
        break;
    }
}

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

void CustomElement::didEnterDocument(Element* element, const Document& document)
{
    ASSERT(element->customElementState() == Element::Upgraded);
    if (!document.domWindow())
        return;
    CustomElementScheduler::scheduleCallback(element->customElementDefinition()->callbacks(), element, CustomElementLifecycleCallbacks::Attached);
}

void CustomElement::didLeaveDocument(Element* element, const Document& document)
{
    ASSERT(element->customElementState() == Element::Upgraded);
    if (!document.domWindow())
        return;
    CustomElementScheduler::scheduleCallback(element->customElementDefinition()->callbacks(), element, CustomElementLifecycleCallbacks::Detached);
}

void CustomElement::wasDestroyed(Element* element)
{
    switch (element->customElementState()) {
    case Element::NotCustomElement:
        ASSERT_NOT_REACHED();
        break;

    case Element::WaitingForUpgrade:
    case Element::Upgraded:
        CustomElementObserver::notifyElementWasDestroyed(element);
        break;
    }
}

} // namespace WebCore