зеркало из https://github.com/mozilla/gecko-dev.git
119 строки
2.9 KiB
C++
119 строки
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "HTMLElementAccessibles.h"
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#include "DocAccessible.h"
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#include "nsAccUtils.h"
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#include "nsIPersistentProperties2.h"
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#include "nsTextEquivUtils.h"
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#include "Relation.h"
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#include "Role.h"
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#include "States.h"
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#include "mozilla/dom/HTMLLabelElement.h"
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using namespace mozilla::a11y;
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////////////////////////////////////////////////////////////////////////////////
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// HTMLHRAccessible
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////////////////////////////////////////////////////////////////////////////////
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role
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HTMLHRAccessible::NativeRole()
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{
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return roles::SEPARATOR;
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}
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////////////////////////////////////////////////////////////////////////////////
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// HTMLBRAccessible
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////////////////////////////////////////////////////////////////////////////////
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role
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HTMLBRAccessible::NativeRole()
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{
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return roles::WHITESPACE;
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}
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uint64_t
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HTMLBRAccessible::NativeState()
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{
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return states::READONLY;
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}
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ENameValueFlag
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HTMLBRAccessible::NativeName(nsString& aName)
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{
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aName = static_cast<char16_t>('\n'); // Newline char
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return eNameOK;
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}
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////////////////////////////////////////////////////////////////////////////////
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// HTMLLabelAccessible
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////////////////////////////////////////////////////////////////////////////////
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NS_IMPL_ISUPPORTS_INHERITED0(HTMLLabelAccessible, HyperTextAccessible)
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ENameValueFlag
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HTMLLabelAccessible::NativeName(nsString& aName)
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{
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nsTextEquivUtils::GetNameFromSubtree(this, aName);
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return aName.IsEmpty() ? eNameOK : eNameFromSubtree;
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}
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Relation
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HTMLLabelAccessible::RelationByType(RelationType aType)
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{
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Relation rel = AccessibleWrap::RelationByType(aType);
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if (aType == RelationType::LABEL_FOR) {
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dom::HTMLLabelElement* label = dom::HTMLLabelElement::FromContent(mContent);
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rel.AppendTarget(mDoc, label->GetControl());
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}
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return rel;
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}
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uint8_t
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HTMLLabelAccessible::ActionCount()
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{
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return nsCoreUtils::IsLabelWithControl(mContent) ? 1 : 0;
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}
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void
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HTMLLabelAccessible::ActionNameAt(uint8_t aIndex, nsAString& aName)
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{
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if (aIndex == 0) {
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if (nsCoreUtils::IsLabelWithControl(mContent))
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aName.AssignLiteral("click");
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}
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}
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bool
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HTMLLabelAccessible::DoAction(uint8_t aIndex)
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{
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if (aIndex != 0)
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return false;
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DoCommand();
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return true;
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}
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////////////////////////////////////////////////////////////////////////////////
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// nsHTMLOuputAccessible
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////////////////////////////////////////////////////////////////////////////////
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NS_IMPL_ISUPPORTS_INHERITED0(HTMLOutputAccessible, HyperTextAccessible)
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Relation
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HTMLOutputAccessible::RelationByType(RelationType aType)
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{
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Relation rel = AccessibleWrap::RelationByType(aType);
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if (aType == RelationType::CONTROLLED_BY)
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rel.AppendIter(new IDRefsIterator(mDoc, mContent, nsGkAtoms::_for));
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return rel;
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}
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