зеркало из https://github.com/mozilla/gecko-dev.git
116 строки
3.7 KiB
C++
116 строки
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "HTMLListAccessible.h"
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#include "AccAttributes.h"
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#include "DocAccessible.h"
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#include "EventTree.h"
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#include "nsAccUtils.h"
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#include "nsPersistentProperties.h"
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#include "Role.h"
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#include "States.h"
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#include "nsLayoutUtils.h"
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using namespace mozilla;
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using namespace mozilla::a11y;
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////////////////////////////////////////////////////////////////////////////////
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// HTMLListAccessible
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////////////////////////////////////////////////////////////////////////////////
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role HTMLListAccessible::NativeRole() const {
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a11y::role r = GetAccService()->MarkupRole(mContent);
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return r != roles::NOTHING ? r : roles::LIST;
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}
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uint64_t HTMLListAccessible::NativeState() const {
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return HyperTextAccessibleWrap::NativeState() | states::READONLY;
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}
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////////////////////////////////////////////////////////////////////////////////
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// HTMLLIAccessible
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////////////////////////////////////////////////////////////////////////////////
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HTMLLIAccessible::HTMLLIAccessible(nsIContent* aContent, DocAccessible* aDoc)
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: HyperTextAccessibleWrap(aContent, aDoc) {
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mType = eHTMLLiType;
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}
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role HTMLLIAccessible::NativeRole() const {
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a11y::role r = GetAccService()->MarkupRole(mContent);
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return r != roles::NOTHING ? r : roles::LISTITEM;
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}
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uint64_t HTMLLIAccessible::NativeState() const {
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return HyperTextAccessibleWrap::NativeState() | states::READONLY;
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}
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nsRect HTMLLIAccessible::BoundsInAppUnits() const {
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nsRect rect = AccessibleWrap::BoundsInAppUnits();
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LocalAccessible* bullet = Bullet();
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nsIFrame* frame = GetFrame();
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MOZ_ASSERT(!(bullet && !frame), "Cannot have a bullet if there is no frame");
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if (bullet && frame &&
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frame->StyleList()->mListStylePosition !=
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NS_STYLE_LIST_STYLE_POSITION_INSIDE) {
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nsRect bulletRect = bullet->BoundsInAppUnits();
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return rect.Union(bulletRect);
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}
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return rect;
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}
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LocalAccessible* HTMLLIAccessible::Bullet() const {
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LocalAccessible* firstChild = LocalFirstChild();
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if (firstChild && firstChild->NativeRole() == roles::LISTITEM_MARKER) {
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return firstChild;
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}
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return nullptr;
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}
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////////////////////////////////////////////////////////////////////////////////
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// HTMLListBulletAccessible
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////////////////////////////////////////////////////////////////////////////////
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HTMLListBulletAccessible::HTMLListBulletAccessible(nsIContent* aContent,
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DocAccessible* aDoc)
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: LeafAccessible(aContent, aDoc) {
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mGenericTypes |= eText;
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}
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////////////////////////////////////////////////////////////////////////////////
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// HTMLListBulletAccessible: LocalAccessible
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ENameValueFlag HTMLListBulletAccessible::Name(nsString& aName) const {
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nsLayoutUtils::GetMarkerSpokenText(mContent, aName);
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return eNameOK;
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}
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role HTMLListBulletAccessible::NativeRole() const {
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return roles::LISTITEM_MARKER;
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}
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uint64_t HTMLListBulletAccessible::NativeState() const {
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return LeafAccessible::NativeState() | states::READONLY;
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}
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already_AddRefed<AccAttributes> HTMLListBulletAccessible::NativeAttributes() {
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RefPtr<AccAttributes> attributes = new AccAttributes();
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return attributes.forget();
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}
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void HTMLListBulletAccessible::AppendTextTo(nsAString& aText,
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uint32_t aStartOffset,
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uint32_t aLength) {
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nsAutoString bulletText;
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Name(bulletText);
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aText.Append(Substring(bulletText, aStartOffset, aLength));
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}
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