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Diffstat (limited to 'Source/WebCore/accessibility/AccessibilityMenuListOption.cpp')
-rw-r--r-- | Source/WebCore/accessibility/AccessibilityMenuListOption.cpp | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/Source/WebCore/accessibility/AccessibilityMenuListOption.cpp b/Source/WebCore/accessibility/AccessibilityMenuListOption.cpp new file mode 100644 index 0000000..5bca580 --- /dev/null +++ b/Source/WebCore/accessibility/AccessibilityMenuListOption.cpp @@ -0,0 +1,118 @@ +/* + * Copyright (C) 2010 Apple Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY + * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "config.h" +#include "AccessibilityMenuListOption.h" + +#include "AXObjectCache.h" +#include "AccessibilityMenuListPopup.h" +#include "HTMLNames.h" +#include "HTMLOptionElement.h" + +namespace WebCore { + +using namespace HTMLNames; + +AccessibilityMenuListOption::AccessibilityMenuListOption() + : m_popup(0) +{ +} + +void AccessibilityMenuListOption::setElement(HTMLElement* element) +{ + ASSERT_ARG(element, element->hasTagName(optionTag)); + m_element = element; +} + +Element* AccessibilityMenuListOption::actionElement() const +{ + return m_element.get(); +} + +AccessibilityObject* AccessibilityMenuListOption::parentObject() const +{ + return m_popup; +} + +bool AccessibilityMenuListOption::isEnabled() const +{ + // disabled() returns true if the parent <select> element is disabled, + // which we don't want. + return !static_cast<HTMLOptionElement*>(m_element.get())->ownElementDisabled(); +} + +bool AccessibilityMenuListOption::isVisible() const +{ + // In a single-option select with the popup collapsed, only the selected + // item is considered visible. + return !m_popup->isOffScreen() || isSelected(); +} + +bool AccessibilityMenuListOption::isOffScreen() const +{ + // Invisible list options are considered to be offscreen. + return !isVisible(); +} + +bool AccessibilityMenuListOption::isSelected() const +{ + return static_cast<HTMLOptionElement*>(m_element.get())->selected(); +} + +void AccessibilityMenuListOption::setSelected(bool b) +{ + if (!canSetSelectedAttribute()) + return; + + static_cast<HTMLOptionElement*>(m_element.get())->setSelected(b); +} + +String AccessibilityMenuListOption::nameForMSAA() const +{ + return stringValue(); +} + +bool AccessibilityMenuListOption::canSetSelectedAttribute() const +{ + return isEnabled(); +} + +IntRect AccessibilityMenuListOption::elementRect() const +{ + AccessibilityObject* parent = parentObject(); + ASSERT(parent->isMenuListPopup()); + + AccessibilityObject* grandparent = parent->parentObject(); + ASSERT(grandparent->isMenuList()); + + return grandparent->elementRect(); +} + +String AccessibilityMenuListOption::stringValue() const +{ + return static_cast<HTMLOptionElement*>(m_element.get())->text(); +} + +} // namespace WebCore |