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 34 namespace WebCore { 35 36 using namespace HTMLNames; 37 38 AccessibilityMenuListOption::AccessibilityMenuListOption() 39 : m_popup(0) 40 { 41 } 42 43 void AccessibilityMenuListOption::setElement(HTMLElement* element) 44 { 45 ASSERT_ARG(element, element->hasTagName(optionTag)); 46 m_element = element; 47 } 48 49 Element* AccessibilityMenuListOption::actionElement() const 50 { 51 return m_element.get(); 52 } 53 54 AccessibilityObject* AccessibilityMenuListOption::parentObject() const 55 { 56 return m_popup; 57 } 58 59 bool 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 66 bool 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 73 bool AccessibilityMenuListOption::isOffScreen() const 74 { 75 // Invisible list options are considered to be offscreen. 76 return !isVisible(); 77 } 78 79 bool AccessibilityMenuListOption::isSelected() const 80 { 81 return static_cast<HTMLOptionElement*>(m_element.get())->selected(); 82 } 83 84 void AccessibilityMenuListOption::setSelected(bool b) 85 { 86 if (!canSetSelectedAttribute()) 87 return; 88 89 static_cast<HTMLOptionElement*>(m_element.get())->setSelected(b); 90 } 91 92 String AccessibilityMenuListOption::nameForMSAA() const 93 { 94 return stringValue(); 95 } 96 97 bool AccessibilityMenuListOption::canSetSelectedAttribute() const 98 { 99 return isEnabled(); 100 } 101 102 IntRect 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 String AccessibilityMenuListOption::stringValue() const 114 { 115 return static_cast<HTMLOptionElement*>(m_element.get())->text(); 116 } 117 118 } // namespace WebCore 119