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{ 40} 41 42void AccessibilityMenuListOption::setElement(HTMLElement* element) 43{ 44 ASSERT_ARG(element, element->hasTagName(optionTag)); 45 m_element = element; 46} 47 48Element* AccessibilityMenuListOption::actionElement() const 49{ 50 return m_element.get(); 51} 52 53bool AccessibilityMenuListOption::isEnabled() const 54{ 55 // isDisabledFormControl() returns true if the parent <select> element is disabled, 56 // which we don't want. 57 return !static_cast<HTMLOptionElement*>(m_element.get())->ownElementDisabled(); 58} 59 60bool AccessibilityMenuListOption::isVisible() const 61{ 62 if (!m_parent) 63 return false; 64 65 // In a single-option select with the popup collapsed, only the selected 66 // item is considered visible. 67 return !m_parent->isOffScreen() || isSelected(); 68} 69 70bool AccessibilityMenuListOption::isOffScreen() const 71{ 72 // Invisible list options are considered to be offscreen. 73 return !isVisible(); 74} 75 76bool AccessibilityMenuListOption::isSelected() const 77{ 78 return static_cast<HTMLOptionElement*>(m_element.get())->selected(); 79} 80 81void AccessibilityMenuListOption::setSelected(bool b) 82{ 83 if (!canSetSelectedAttribute()) 84 return; 85 86 static_cast<HTMLOptionElement*>(m_element.get())->setSelected(b); 87} 88 89String AccessibilityMenuListOption::nameForMSAA() const 90{ 91 return stringValue(); 92} 93 94bool AccessibilityMenuListOption::canSetSelectedAttribute() const 95{ 96 return isEnabled(); 97} 98 99bool AccessibilityMenuListOption::computeAccessibilityIsIgnored() const 100{ 101 return accessibilityIsIgnoredByDefault(); 102} 103 104LayoutRect AccessibilityMenuListOption::elementRect() const 105{ 106 AccessibilityObject* parent = parentObject(); 107 ASSERT(parent->isMenuListPopup()); 108 109 AccessibilityObject* grandparent = parent->parentObject(); 110 ASSERT(grandparent->isMenuList()); 111 112 return grandparent->elementRect(); 113} 114 115String AccessibilityMenuListOption::stringValue() const 116{ 117 return static_cast<HTMLOptionElement*>(m_element.get())->text(); 118} 119 120} // namespace WebCore 121