C++ (Cpp) ShadowRoot::insertedInto 예제들

예제 #1

ShadowRoot& ElementShadow::addShadowRoot(Element& shadowHost, ShadowRootType type)
{
    EventDispatchForbiddenScope assertNoEventDispatch;
    ScriptForbiddenScope forbidScript;

    if (type == ShadowRootType::V0 && m_shadowRoot) {
        DCHECK_EQ(m_shadowRoot->type(), ShadowRootType::V0);
        Deprecation::countDeprecation(shadowHost.document(), UseCounter::ElementCreateShadowRootMultiple);
    }

    if (m_shadowRoot) {
        // TODO(hayato): Is the order, from the youngest to the oldest, important?
        for (ShadowRoot* root = &youngestShadowRoot(); root; root = root->olderShadowRoot())
            root->lazyReattachIfAttached();
    }

    ShadowRoot* shadowRoot = ShadowRoot::create(shadowHost.document(), type);
    shadowRoot->setParentOrShadowHostNode(&shadowHost);
    shadowRoot->setParentTreeScope(shadowHost.treeScope());
    appendShadowRoot(*shadowRoot);
    setNeedsDistributionRecalc();

    shadowRoot->insertedInto(&shadowHost);
    shadowHost.setChildNeedsStyleRecalc();
    shadowHost.setNeedsStyleRecalc(SubtreeStyleChange, StyleChangeReasonForTracing::create(StyleChangeReason::Shadow));

    InspectorInstrumentation::didPushShadowRoot(&shadowHost, shadowRoot);

    return *shadowRoot;
}