1 files changed, 112 insertions, 0 deletions
diff --git a/accessible/html/HTMLListAccessible.cpp b/accessible/html/HTMLListAccessible.cpp
new file mode 100644
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+++ b/accessible/html/HTMLListAccessible.cpp
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "HTMLListAccessible.h"
+
+#include "AccAttributes.h"
+#include "nsAccessibilityService.h"
+#include "mozilla/a11y/Role.h"
+#include "States.h"
+
+#include "nsLayoutUtils.h"
+
+using namespace mozilla;
+using namespace mozilla::a11y;
+
+////////////////////////////////////////////////////////////////////////////////
+// HTMLListAccessible
+////////////////////////////////////////////////////////////////////////////////
+
+role HTMLListAccessible::NativeRole() const {
+  a11y::role r = GetAccService()->MarkupRole(mContent);
+  return r != roles::NOTHING ? r : roles::LIST;
+}
+
+uint64_t HTMLListAccessible::NativeState() const {
+  return HyperTextAccessible::NativeState() | states::READONLY;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// HTMLLIAccessible
+////////////////////////////////////////////////////////////////////////////////
+
+HTMLLIAccessible::HTMLLIAccessible(nsIContent* aContent, DocAccessible* aDoc)
+    : HyperTextAccessible(aContent, aDoc) {
+  mType = eHTMLLiType;
+}
+
+role HTMLLIAccessible::NativeRole() const {
+  a11y::role r = GetAccService()->MarkupRole(mContent);
+  return r != roles::NOTHING ? r : roles::LISTITEM;
+}
+
+uint64_t HTMLLIAccessible::NativeState() const {
+  return HyperTextAccessible::NativeState() | states::READONLY;
+}
+
+nsRect HTMLLIAccessible::BoundsInAppUnits() const {
+  nsRect rect = AccessibleWrap::BoundsInAppUnits();
+
+  LocalAccessible* bullet = Bullet();
+  nsIFrame* frame = GetFrame();
+  MOZ_ASSERT(!(bullet && !frame), "Cannot have a bullet if there is no frame");
+
+  if (bullet && frame &&
+      frame->StyleList()->mListStylePosition !=
+          StyleListStylePosition::Inside) {
+    nsRect bulletRect = bullet->BoundsInAppUnits();
+    return rect.Union(bulletRect);
+  }
+
+  return rect;
+}
+
+LocalAccessible* HTMLLIAccessible::Bullet() const {
+  LocalAccessible* firstChild = LocalFirstChild();
+  if (firstChild && firstChild->NativeRole() == roles::LISTITEM_MARKER) {
+    return firstChild;
+  }
+
+  return nullptr;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// HTMLListBulletAccessible
+////////////////////////////////////////////////////////////////////////////////
+HTMLListBulletAccessible::HTMLListBulletAccessible(nsIContent* aContent,
+                                                   DocAccessible* aDoc)
+    : LeafAccessible(aContent, aDoc) {
+  mGenericTypes |= eText;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// HTMLListBulletAccessible: LocalAccessible
+
+ENameValueFlag HTMLListBulletAccessible::Name(nsString& aName) const {
+  nsLayoutUtils::GetMarkerSpokenText(mContent, aName);
+  return eNameOK;
+}
+
+role HTMLListBulletAccessible::NativeRole() const {
+  return roles::LISTITEM_MARKER;
+}
+
+uint64_t HTMLListBulletAccessible::NativeState() const {
+  return LeafAccessible::NativeState() | states::READONLY;
+}
+
+already_AddRefed<AccAttributes> HTMLListBulletAccessible::NativeAttributes() {
+  RefPtr<AccAttributes> attributes = new AccAttributes();
+  return attributes.forget();
+}
+
+void HTMLListBulletAccessible::AppendTextTo(nsAString& aText,
+                                            uint32_t aStartOffset,
+                                            uint32_t aLength) {
+  nsAutoString bulletText;
+  Name(bulletText);
+  aText.Append(Substring(bulletText, aStartOffset, aLength));
+}