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 "core/accessibility/AccessibilityMenuListOption.h" 28 29#include "core/html/HTMLOptionElement.h" 30 31namespace WebCore { 32 33using namespace HTMLNames; 34 35AccessibilityMenuListOption::AccessibilityMenuListOption() 36{ 37} 38 39void AccessibilityMenuListOption::setElement(HTMLElement* element) 40{ 41 ASSERT_ARG(element, element->hasTagName(optionTag)); 42 m_element = element; 43} 44 45Element* AccessibilityMenuListOption::actionElement() const 46{ 47 return m_element.get(); 48} 49 50bool AccessibilityMenuListOption::isEnabled() const 51{ 52 // isDisabledFormControl() returns true if the parent <select> element is disabled, 53 // which we don't want. 54 return !toHTMLOptionElement(m_element.get())->ownElementDisabled(); 55} 56 57bool AccessibilityMenuListOption::isVisible() const 58{ 59 if (!m_parent) 60 return false; 61 62 // In a single-option select with the popup collapsed, only the selected 63 // item is considered visible. 64 return !m_parent->isOffScreen() || isSelected(); 65} 66 67bool AccessibilityMenuListOption::isOffScreen() const 68{ 69 // Invisible list options are considered to be offscreen. 70 return !isVisible(); 71} 72 73bool AccessibilityMenuListOption::isSelected() const 74{ 75 return toHTMLOptionElement(m_element.get())->selected(); 76} 77 78void AccessibilityMenuListOption::setSelected(bool b) 79{ 80 if (!canSetSelectedAttribute()) 81 return; 82 83 toHTMLOptionElement(m_element.get())->setSelected(b); 84} 85 86bool AccessibilityMenuListOption::canSetSelectedAttribute() const 87{ 88 return isEnabled(); 89} 90 91bool AccessibilityMenuListOption::computeAccessibilityIsIgnored() const 92{ 93 return accessibilityIsIgnoredByDefault(); 94} 95 96LayoutRect AccessibilityMenuListOption::elementRect() const 97{ 98 AccessibilityObject* parent = parentObject(); 99 ASSERT(parent->isMenuListPopup()); 100 101 AccessibilityObject* grandparent = parent->parentObject(); 102 ASSERT(grandparent->isMenuList()); 103 104 return grandparent->elementRect(); 105} 106 107String AccessibilityMenuListOption::stringValue() const 108{ 109 return toHTMLOptionElement(m_element.get())->text(); 110} 111 112} // namespace WebCore 113