C++ (Cpp) userAgentShadowRoot示例

示例#1

文件： HTMLDetailsElement.cpp 项目： kublaj/blink

Element* HTMLDetailsElement::findMainSummary() const
{
    for (Element* child = ElementTraversal::firstWithin(*this); child; child = ElementTraversal::nextSibling(*child)) {
        if (child->hasTagName(summaryTag))
            return child;
    }

    HTMLContentElement* content = toHTMLContentElement(userAgentShadowRoot()->firstChild());
    ASSERT(content->firstChild() && content->firstChild()->hasTagName(summaryTag));
    return toElement(content->firstChild());
}

示例#2

void HTMLTextAreaElement::updatePlaceholderText() {
  HTMLElement* placeholder = placeholderElement();
  const AtomicString& placeholderText = fastGetAttribute(placeholderAttr);
  if (placeholderText.isEmpty()) {
    if (placeholder)
      userAgentShadowRoot()->removeChild(placeholder);
    return;
  }
  if (!placeholder) {
    HTMLDivElement* newElement = HTMLDivElement::create(document());
    placeholder = newElement;
    placeholder->setShadowPseudoId(AtomicString("-webkit-input-placeholder"));
    placeholder->setAttribute(idAttr, ShadowElementNames::placeholder());
    placeholder->setInlineStyleProperty(
        CSSPropertyDisplay,
        isPlaceholderVisible() ? CSSValueBlock : CSSValueNone, true);
    userAgentShadowRoot()->insertBefore(placeholder, innerEditorElement());
  }
  placeholder->setTextContent(placeholderText);
}

示例#3

文件： HTMLTextAreaElement.cpp 项目： yoavweiss/RespImg-WebKit

void HTMLTextAreaElement::updatePlaceholderText()
{
    ExceptionCode ec = 0;
    String placeholderText = strippedPlaceholder();
    if (placeholderText.isEmpty()) {
        if (m_placeholder) {
            userAgentShadowRoot()->removeChild(m_placeholder, ec);
            ASSERT(!ec);
            m_placeholder = 0;
        }
        return;
    }
    if (!m_placeholder) {
        RefPtr<HTMLDivElement> placeholder = HTMLDivElement::create(document());
        m_placeholder = placeholder.get();
        m_placeholder->setShadowPseudoId("-webkit-input-placeholder");
        userAgentShadowRoot()->insertBefore(m_placeholder, innerTextElement()->nextSibling(), ec);
        ASSERT(!ec);
    }
    m_placeholder->setInnerText(placeholderText, ec);
    ASSERT(!ec);
    fixPlaceholderRenderer(m_placeholder, innerTextElement());
}

示例#4

void HTMLPlugInImageElement::checkSnapshotStatus()
{
    if (!renderer()->isSnapshottedPlugIn()) {
        if (displayState() == Playing)
            checkSizeChangeForSnapshotting();
        return;
    }

    ShadowRoot* root = userAgentShadowRoot();
    if (!root)
        return;

    Element* shadowContainer = toElement(root->firstChild());
    shadowContainer->setAttribute(classAttr, classNameForShadowRoot(this));
}

示例#5

文件： SVGUseElement.cpp 项目： astojilj/chromium-crosswalk

SVGGraphicsElement* SVGUseElement::targetGraphicsElementForClipping() const
{
    Node* n = userAgentShadowRoot()->firstChild();
    if (!n || !n->isSVGElement())
        return nullptr;

    SVGElement& element = toSVGElement(*n);

    if (!element.isSVGGraphicsElement())
        return nullptr;

    // Spec: "If a <use> element is a child of a clipPath element, it must directly
    // reference <path>, <text> or basic shapes elements. Indirect references are an
    // error and the clipPath element must be ignored."
    // http://dev.w3.org/fxtf/css-masking-1/#the-clip-path
    if (!isDirectReference(element)) {
        // Spec: Indirect references are an error (14.3.5)
        document().accessSVGExtensions().reportError("Not allowed to use indirect reference in <clip-path>");
        return nullptr;
    }

    return &toSVGGraphicsElement(element);
}

示例#6

文件： HTMLTextAreaElement.cpp 项目： ewmailing/webkit

TextControlInnerTextElement* HTMLTextAreaElement::innerTextElement() const
{
    Node* node = userAgentShadowRoot()->firstChild();
    return toTextControlInnerTextElement(node);
}

示例#7

文件： HTMLTextFormControlElement.cpp 项目： Tkkg1994/Platfrom-kccat6

HTMLElement* HTMLTextFormControlElement::innerTextElement() const
{
    return toHTMLElement(userAgentShadowRoot()->getElementById(ShadowElementNames::innerEditor()));
}

示例#8

文件： HTMLTextFormControlElement.cpp 项目： Tkkg1994/Platfrom-kccat6

HTMLElement* HTMLTextFormControlElement::placeholderElement() const
{
    return toHTMLElement(userAgentShadowRoot()->getElementById(ShadowElementNames::placeholder()));
}

示例#9

HTMLElement* HTMLTextAreaElement::innerTextElement() const
{
    Node* node = userAgentShadowRoot()->firstChild();
    ASSERT(!node || node->hasTagName(divTag));
    return toHTMLElement(node);
}