HTMLAreaElement* HitTestResult::imageAreaForImage() const
{
ASSERT(m_innerNode);
HTMLImageElement* imageElement = nullptr;
if (isHTMLImageElement(m_innerNode)) {
imageElement = toHTMLImageElement(m_innerNode);
} else if (m_innerNode->isInShadowTree()) {
if (m_innerNode->containingShadowRoot()->type() == ShadowRootType::UserAgent) {
if (isHTMLImageElement(m_innerNode->shadowHost()))
imageElement = toHTMLImageElement(m_innerNode->shadowHost());
}
}
if (!imageElement || !imageElement->layoutObject() || !imageElement->layoutObject()->isBox())
return nullptr;
HTMLMapElement* map = imageElement->treeScope().getImageMap(imageElement->fastGetAttribute(usemapAttr));
if (!map)
return nullptr;
LayoutBox* box = toLayoutBox(imageElement->layoutObject());
LayoutRect contentBox = box->contentBoxRect();
float scaleFactor = 1 / box->style()->effectiveZoom();
LayoutPoint location = localPoint();
location.scale(scaleFactor, scaleFactor);
return map->areaForPoint(location, contentBox.size());
}
bool HTMLAreaElement::layoutObjectIsFocusable() const
{
HTMLImageElement* image = imageElement();
if (!image || !image->layoutObject() || image->layoutObject()->style()->visibility() != VISIBLE)
return false;
return supportsFocus() && Element::tabIndex() >= 0;
}
void HTMLAreaElement::setFocus(bool shouldBeFocused)
{
if (focused() == shouldBeFocused)
return;
HTMLAnchorElement::setFocus(shouldBeFocused);
HTMLImageElement* imageElement = this->imageElement();
if (!imageElement)
return;
LayoutObject* layoutObject = imageElement->layoutObject();
if (!layoutObject || !layoutObject->isImage())
return;
toLayoutImage(layoutObject)->areaElementFocusChanged(this);
}