AccessibilityMenuListPopup.cpp [plain text]
#include "config.h"
#include "AccessibilityMenuListPopup.h"
#include "AXObjectCache.h"
#include "AccessibilityMenuList.h"
#include "AccessibilityMenuListOption.h"
#include "HTMLNames.h"
#include "HTMLSelectElement.h"
#include "RenderObject.h"
namespace WebCore {
using namespace HTMLNames;
AccessibilityMenuListPopup::AccessibilityMenuListPopup()
: m_menuList(0)
{
}
bool AccessibilityMenuListPopup::isVisible() const
{
return false;
}
bool AccessibilityMenuListPopup::isOffScreen() const
{
return m_menuList->isCollapsed();
}
AccessibilityObject* AccessibilityMenuListPopup::parentObject() const
{
return m_menuList;
}
bool AccessibilityMenuListPopup::isEnabled() const
{
return m_menuList->isEnabled();
}
AccessibilityMenuListOption* AccessibilityMenuListPopup::menuListOptionAccessibilityObject(HTMLElement* element) const
{
if (!element || !element->hasTagName(optionTag))
return 0;
AccessibilityObject* object = m_menuList->renderer()->document()->axObjectCache()->getOrCreate(MenuListOptionRole);
ASSERT(object->isMenuListOption());
AccessibilityMenuListOption* option = static_cast<AccessibilityMenuListOption*>(object);
option->setElement(element);
return option;
}
bool AccessibilityMenuListPopup::press() const
{
m_menuList->press();
return true;
}
void AccessibilityMenuListPopup::addChildren()
{
Node* selectNode = m_menuList->renderer()->node();
if (!selectNode)
return;
m_haveChildren = true;
ASSERT(selectNode->hasTagName(selectTag));
const Vector<Element*>& listItems = static_cast<HTMLSelectElement*>(selectNode)->listItems();
unsigned length = listItems.size();
for (unsigned i = 0; i < length; i++) {
AccessibilityMenuListOption* option = menuListOptionAccessibilityObject(static_cast<HTMLElement*>(listItems[i]));
if (option) {
option->setParent(this);
m_children.append(option);
}
}
}
void AccessibilityMenuListPopup::childrenChanged()
{
for (size_t i = m_children.size(); i > 0 ; --i) {
AccessibilityObject* child = m_children[i - 1].get();
if (child->actionElement() && !child->actionElement()->attached()) {
m_menuList->renderer()->document()->axObjectCache()->remove(child->axObjectID());
m_children.remove(i - 1);
}
}
}
void AccessibilityMenuListPopup::setMenuList(AccessibilityMenuList* menuList)
{
ASSERT_ARG(menuList, menuList);
ASSERT(!m_menuList);
m_menuList = menuList;
}
}