1/* 2 * Copyright (C) 2010 Apple Inc. All Rights Reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "config.h" 27#include "AccessibilityMenuListOption.h" 28 29#include "AXObjectCache.h" 30#include "AccessibilityMenuListPopup.h" 31#include "HTMLNames.h" 32#include "HTMLOptionElement.h" 33 34namespace WebCore { 35 36using namespace HTMLNames; 37 38AccessibilityMenuListOption::AccessibilityMenuListOption() 39 : m_popup(0) 40{ 41} 42 43void AccessibilityMenuListOption::setElement(HTMLElement* element) 44{ 45 ASSERT_ARG(element, element->hasTagName(optionTag)); 46 m_element = element; 47} 48 49Element* AccessibilityMenuListOption::actionElement() const 50{ 51 return m_element.get(); 52} 53 54AccessibilityObject* AccessibilityMenuListOption::parentObject() const 55{ 56 return m_popup; 57} 58 59bool AccessibilityMenuListOption::isEnabled() const 60{ 61 // disabled() returns true if the parent <select> element is disabled, 62 // which we don't want. 63 return !static_cast<HTMLOptionElement*>(m_element.get())->ownElementDisabled(); 64} 65 66bool AccessibilityMenuListOption::isVisible() const 67{ 68 // In a single-option select with the popup collapsed, only the selected 69 // item is considered visible. 70 return !m_popup->isOffScreen() || isSelected(); 71} 72 73bool AccessibilityMenuListOption::isOffScreen() const 74{ 75 // Invisible list options are considered to be offscreen. 76 return !isVisible(); 77} 78 79bool AccessibilityMenuListOption::isSelected() const 80{ 81 return static_cast<HTMLOptionElement*>(m_element.get())->selected(); 82} 83 84void AccessibilityMenuListOption::setSelected(bool b) 85{ 86 if (!canSetSelectedAttribute()) 87 return; 88 89 static_cast<HTMLOptionElement*>(m_element.get())->setSelected(b); 90} 91 92String AccessibilityMenuListOption::nameForMSAA() const 93{ 94 return static_cast<HTMLOptionElement*>(m_element.get())->text(); 95} 96 97bool AccessibilityMenuListOption::canSetSelectedAttribute() const 98{ 99 return isEnabled(); 100} 101 102IntRect AccessibilityMenuListOption::elementRect() const 103{ 104 AccessibilityObject* parent = parentObject(); 105 ASSERT(parent->isMenuListPopup()); 106 107 AccessibilityObject* grandparent = parent->parentObject(); 108 ASSERT(grandparent->isMenuList()); 109 110 return grandparent->elementRect(); 111} 112 113} // namespace WebCore 114