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