Scrollbar::~Scrollbar()
{
if (AXObjectCache::accessibilityEnabled() && axObjectCache())
axObjectCache()->remove(this);
stopTimerIfNeeded();
m_theme->unregisterScrollbar(this);
}
void AXSpinButton::addChildren()
{
m_haveChildren = true;
AXSpinButtonPart* incrementor = toAXSpinButtonPart(axObjectCache()->getOrCreate(SpinButtonPartRole));
incrementor->setIsIncrementor(true);
incrementor->setParent(this);
m_children.append(incrementor);
AXSpinButtonPart* decrementor = toAXSpinButtonPart(axObjectCache()->getOrCreate(SpinButtonPartRole));
decrementor->setIsIncrementor(false);
decrementor->setParent(this);
m_children.append(decrementor);
}
void AccessibilitySpinButton::addChildren()
{
m_haveChildren = true;
auto& incrementor = downcast<AccessibilitySpinButtonPart>(*axObjectCache()->getOrCreate(SpinButtonPartRole));
incrementor.setIsIncrementor(true);
incrementor.setParent(this);
m_children.append(&incrementor);
auto& decrementor = downcast<AccessibilitySpinButtonPart>(*axObjectCache()->getOrCreate(SpinButtonPartRole));
decrementor.setIsIncrementor(false);
decrementor.setParent(this);
m_children.append(&decrementor);
}
void AccessibilityMathMLElement::mathPostscripts(AccessibilityMathMultiscriptPairs& postscripts)
{
if (!isMathMultiscript() || !node())
return;
// In Multiscripts, the post-script elements start after the first element (which is the base)
// and continue until a <mprescripts> tag is found
std::pair<AccessibilityObject*, AccessibilityObject*> postscriptPair;
bool foundBaseElement = false;
for (Node* child = node()->firstChild(); child; child = child->nextSibling()) {
if (child->hasTagName(MathMLNames::mprescriptsTag))
break;
AccessibilityObject* axChild = axObjectCache()->getOrCreate(child);
if (axChild && axChild->isMathElement()) {
if (!foundBaseElement)
foundBaseElement = true;
else if (!postscriptPair.first)
postscriptPair.first = axChild;
else {
postscriptPair.second = axChild;
postscripts.append(postscriptPair);
postscriptPair.first = nullptr;
postscriptPair.second = nullptr;
}
}
}
// Handle the odd number of post scripts case.
if (postscriptPair.first)
postscripts.append(postscriptPair);
}
void AccessibilityMathMLElement::mathPrescripts(AccessibilityMathMultiscriptPairs& prescripts)
{
if (!isMathMultiscript() || !node())
return;
bool foundPrescript = false;
std::pair<AccessibilityObject*, AccessibilityObject*> prescriptPair;
for (Node* child = node()->firstChild(); child; child = child->nextSibling()) {
if (foundPrescript) {
AccessibilityObject* axChild = axObjectCache()->getOrCreate(child);
if (axChild && axChild->isMathElement()) {
if (!prescriptPair.first)
prescriptPair.first = axChild;
else {
prescriptPair.second = axChild;
prescripts.append(prescriptPair);
prescriptPair.first = nullptr;
prescriptPair.second = nullptr;
}
}
} else if (child->hasTagName(MathMLNames::mprescriptsTag))
foundPrescript = true;
}
// Handle the odd number of pre scripts case.
if (prescriptPair.first)
prescripts.append(prescriptPair);
}
AXScrollbar* AXScrollView::addChildScrollbar(Scrollbar* scrollbar)
{
if (!scrollbar)
return 0;
AXScrollbar* scrollBarObject = toAXScrollbar(axObjectCache()->getOrCreate(scrollbar));
scrollBarObject->setParent(this);
m_children.append(scrollBarObject);
return scrollBarObject;
}
AccessibilityScrollbar* AccessibilityScrollView::addChildScrollbar(Scrollbar* scrollbar)
{
if (!scrollbar)
return 0;
AccessibilityScrollbar* scrollBarObject = static_cast<AccessibilityScrollbar*>(axObjectCache()->getOrCreate(scrollbar));
scrollBarObject->setParent(this);
m_children.append(scrollBarObject);
return scrollBarObject;
}
AccessibilityObject* AccessibilityScrollView::parentObject() const
{
if (!m_scrollView->isFrameView())
return 0;
HTMLFrameOwnerElement* owner = static_cast<FrameView*>(m_scrollView.get())->frame()->ownerElement();
if (owner && owner->renderPart())
return axObjectCache()->getOrCreate(owner->renderPart()->parent());
return 0;
}
AccessibilityObject* AccessibilityScrollView::webAreaObject() const
{
if (!m_scrollView->isFrameView())
return 0;
Document* doc = static_cast<FrameView*>(m_scrollView.get())->frame()->document();
if (!doc || !doc->renderer())
return 0;
return axObjectCache()->getOrCreate(doc->renderer());
}
AXObject* AXScrollView::parentObjectIfExists() const
{
if (!m_scrollView || !m_scrollView->isFrameView())
return 0;
HTMLFrameOwnerElement* owner = toFrameView(m_scrollView)->frame().ownerElement();
if (owner && owner->renderer())
return axObjectCache()->get(owner);
return 0;
}
AXObject* AXScrollView::webAreaObject() const
{
if (!m_scrollView || !m_scrollView->isFrameView())
return 0;
Document* doc = toFrameView(m_scrollView)->frame().document();
if (!doc || !doc->renderer())
return 0;
return axObjectCache()->getOrCreate(doc);
}
AXObject* AXScrollView::parentObject() const
{
if (!m_scrollView || !m_scrollView->isFrameView())
return 0;
// FIXME: Broken for OOPI.
HTMLFrameOwnerElement* owner = toFrameView(m_scrollView)->frame().deprecatedLocalOwner();
if (owner && owner->renderer())
return axObjectCache()->getOrCreate(owner);
return 0;
}
AccessibilityScrollbar* AccessibilityScrollView::addChildScrollbar(Scrollbar* scrollbar)
{
if (!scrollbar)
return nullptr;
AXObjectCache* cache = axObjectCache();
if (!cache)
return nullptr;
AccessibilityScrollbar* scrollBarObject = toAccessibilityScrollbar(cache->getOrCreate(scrollbar));
scrollBarObject->setParent(this);
m_children.append(scrollBarObject);
return scrollBarObject;
}
AccessibilityObject* AccessibilityScrollView::webAreaObject() const
{
if (!is<FrameView>(m_scrollView))
return nullptr;
Document* document = downcast<FrameView>(*m_scrollView).frame().document();
if (!document || !document->hasLivingRenderTree())
return nullptr;
if (AXObjectCache* cache = axObjectCache())
return cache->getOrCreate(document);
return nullptr;
}
AccessibilityScrollbar* AccessibilityScrollView::addChildScrollbar(Scrollbar* scrollbar)
{
if (!scrollbar)
return nullptr;
AXObjectCache* cache = axObjectCache();
if (!cache)
return nullptr;
auto& scrollBarObject = downcast<AccessibilityScrollbar>(*cache->getOrCreate(scrollbar));
scrollBarObject.setParent(this);
m_children.append(&scrollBarObject);
return &scrollBarObject;
}
AccessibilityObject* AccessibilityScrollView::webAreaObject() const
{
if (!m_scrollView || !m_scrollView->isFrameView())
return nullptr;
Document* doc = toFrameView(m_scrollView)->frame().document();
if (!doc || !doc->hasLivingRenderTree())
return nullptr;
if (AXObjectCache* cache = axObjectCache())
return cache->getOrCreate(doc);
return nullptr;
}
AccessibilityObject* AccessibilityScrollView::parentObject() const
{
if (!is<FrameView>(m_scrollView))
return nullptr;
AXObjectCache* cache = axObjectCache();
if (!cache)
return nullptr;
HTMLFrameOwnerElement* owner = downcast<FrameView>(*m_scrollView).frame().ownerElement();
if (owner && owner->renderer())
return cache->getOrCreate(owner);
return nullptr;
}
AccessibilityObject* AccessibilityScrollView::parentObjectIfExists() const
{
if (!m_scrollView || !m_scrollView->isFrameView())
return nullptr;
AXObjectCache* cache = axObjectCache();
if (!cache)
return nullptr;
HTMLFrameOwnerElement* owner = toFrameView(m_scrollView)->frame().ownerElement();
if (owner && owner->renderer())
return cache->get(owner);
return nullptr;
}
AccessibilityObject* AccessibilitySVGElement::targetForUseElement() const
{
if (!is<SVGUseElement>(element()))
return nullptr;
SVGUseElement& use = downcast<SVGUseElement>(*element());
String href = use.href();
if (href.isEmpty())
href = getAttribute(HTMLNames::hrefAttr);
auto target = SVGURIReference::targetElementFromIRIString(href, use.treeScope());
if (!target.element)
return nullptr;
return axObjectCache()->getOrCreate(target.element.get());
}
void AccessibilitySpinButton::addChildren()
{
m_haveChildren = true;
AccessibilitySpinButtonPart* incrementor = static_cast<AccessibilitySpinButtonPart*>(axObjectCache()->getOrCreate(SpinButtonPartRole));
incrementor->setIsIncrementor(true);
incrementor->setParent(this);
m_children.append(incrementor);
AccessibilitySpinButtonPart* decrementor = static_cast<AccessibilitySpinButtonPart*>(axObjectCache()->getOrCreate(SpinButtonPartRole));
decrementor->setIsIncrementor(false);
decrementor->setParent(this);
m_children.append(decrementor);
}
