C++ (Cpp) ShadowRoot::document示例

void ShadowTree::recalcShadowTreeStyle(Node::StyleChange change)
{
    ShadowRoot* youngest = youngestShadowRoot();
    if (!youngest)
        return;

    if (needsReattachHostChildrenAndShadow())
        reattachHostChildrenAndShadow();
    else {
        StyleResolver* styleResolver = youngest->document()->styleResolver();

        styleResolver->pushParentShadowRoot(youngest);
        for (Node* n = youngest->firstChild(); n; n = n->nextSibling()) {
            if (n->isElementNode())
                static_cast<Element*>(n)->recalcStyle(change);
            else if (n->isTextNode())
                toText(n)->recalcTextStyle(change);
        }
        styleResolver->popParentShadowRoot(youngest);
    }

    clearNeedsReattachHostChildrenAndShadow();
    for (ShadowRoot* root = youngestShadowRoot(); root; root = root->olderShadowRoot()) {
        root->clearNeedsStyleRecalc();
        root->clearChildNeedsStyleRecalc();
    }
}

示例#2

显示文件

static void attachShadowRoot(ShadowRoot& shadowRoot)
{
    if (shadowRoot.attached())
        return;
    StyleResolver& styleResolver = shadowRoot.document().ensureStyleResolver();
    styleResolver.pushParentShadowRoot(&shadowRoot);

    attachChildren(shadowRoot);

    styleResolver.popParentShadowRoot(&shadowRoot);

    shadowRoot.clearNeedsStyleRecalc();
    shadowRoot.setAttached(true);
}