1 files changed, 126 insertions, 0 deletions
diff --git a/WebCore/accessibility/AccessibilityMenuListPopup.cpp b/WebCore/accessibility/AccessibilityMenuListPopup.cpp
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+++ b/WebCore/accessibility/AccessibilityMenuListPopup.cpp
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+/*
+ * Copyright (C) 2010 Apple Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#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++) {
+        // The cast to HTMLElement below is safe because the only other possible listItem type
+        // would be a WMLElement, but WML builds don't use accessbility features at all.
+        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;
+}
+
+} // namespace WebCore