1 files changed, 170 insertions, 0 deletions
diff --git a/accessible/aom/AccessibleNode.cpp b/accessible/aom/AccessibleNode.cpp
new file mode 100644
index 0000000000..2aff34238c
--- /dev/null
+++ b/accessible/aom/AccessibleNode.cpp
@@ -0,0 +1,170 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 "AccessibleNode.h"
+#include "mozilla/dom/AccessibleNodeBinding.h"
+#include "mozilla/dom/BindingDeclarations.h"
+#include "mozilla/dom/DOMStringList.h"
+#include "mozilla/StaticPrefs_accessibility.h"
+#include "nsContentUtils.h"
+
+#include "LocalAccessible-inl.h"
+#include "nsAccessibilityService.h"
+#include "DocAccessible.h"
+
+#include "mozilla/dom/ToJSValue.h"
+
+using namespace mozilla;
+using namespace mozilla::a11y;
+using namespace mozilla::dom;
+
+bool AccessibleNode::IsAOMEnabled(JSContext* aCx, JSObject* /*unused*/) {
+  return nsContentUtils::IsSystemCaller(aCx) ||
+         StaticPrefs::accessibility_AOM_enabled();
+}
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(AccessibleNode, mRelationProperties,
+                                      mIntl, mDOMNode, mStates)
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(AccessibleNode)
+  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+  NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+NS_IMPL_CYCLE_COLLECTING_ADDREF(AccessibleNode)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(AccessibleNode)
+
+AccessibleNode::AccessibleNode(nsINode* aNode)
+    : mDoubleProperties(3),
+      mIntProperties(3),
+      mUIntProperties(6),
+      mBooleanProperties(0),
+      mRelationProperties(3),
+      mStringProperties(16),
+      mDOMNode(aNode) {
+  nsAccessibilityService* accService = GetOrCreateAccService();
+  if (!accService) {
+    return;
+  }
+
+  DocAccessible* doc = accService->GetDocAccessible(mDOMNode->OwnerDoc());
+  if (doc) {
+    mIntl = doc->GetAccessible(mDOMNode);
+  }
+}
+
+AccessibleNode::~AccessibleNode() {}
+
+/* virtual */
+JSObject* AccessibleNode::WrapObject(JSContext* aCx,
+                                     JS::Handle<JSObject*> aGivenProto) {
+  return AccessibleNode_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+/* virtual */
+ParentObject AccessibleNode::GetParentObject() const {
+  return mDOMNode->GetParentObject();
+}
+
+void AccessibleNode::GetComputedRole(nsAString& aRole) {
+  if (mIntl) {
+    nsAccessibilityService* accService = GetOrCreateAccService();
+    if (accService) {
+      accService->GetStringRole(mIntl->Role(), aRole);
+      return;
+    }
+  }
+
+  aRole.AssignLiteral("unknown");
+}
+
+void AccessibleNode::GetStates(nsTArray<nsString>& aStates) {
+  nsAccessibilityService* accService = GetOrCreateAccService();
+  if (!mIntl || !accService) {
+    aStates.AppendElement(u"defunct"_ns);
+    return;
+  }
+
+  if (mStates) {
+    aStates = mStates->StringArray().Clone();
+    return;
+  }
+
+  mStates = accService->GetStringStates(mIntl->State());
+  aStates = mStates->StringArray().Clone();
+}
+
+void AccessibleNode::GetAttributes(nsTArray<nsString>& aAttributes) {
+  if (!mIntl) {
+    return;
+  }
+
+  RefPtr<AccAttributes> attrs = mIntl->Attributes();
+
+  for (const auto& iter : *attrs) {
+    aAttributes.AppendElement(nsAtomString(iter.Name()));
+  }
+}
+
+bool AccessibleNode::Is(const Sequence<nsString>& aFlavors) {
+  nsAccessibilityService* accService = GetOrCreateAccService();
+  if (!mIntl || !accService) {
+    for (const auto& flavor : aFlavors) {
+      if (!flavor.EqualsLiteral("unknown") &&
+          !flavor.EqualsLiteral("defunct")) {
+        return false;
+      }
+    }
+    return true;
+  }
+
+  nsAutoString role;
+  accService->GetStringRole(mIntl->Role(), role);
+
+  if (!mStates) {
+    mStates = accService->GetStringStates(mIntl->State());
+  }
+
+  for (const auto& flavor : aFlavors) {
+    if (!flavor.Equals(role) && !mStates->Contains(flavor)) {
+      return false;
+    }
+  }
+  return true;
+}
+
+bool AccessibleNode::Has(const Sequence<nsString>& aAttributes) {
+  if (!mIntl) {
+    return false;
+  }
+  RefPtr<AccAttributes> attrs = mIntl->Attributes();
+  for (const auto& attr : aAttributes) {
+    RefPtr<nsAtom> attrAtom = NS_Atomize(attr);
+    if (!attrs->HasAttribute(attrAtom)) {
+      return false;
+    }
+  }
+  return true;
+}
+
+void AccessibleNode::Get(JSContext* aCX, const nsAString& aAttribute,
+                         JS::MutableHandle<JS::Value> aValue,
+                         ErrorResult& aRv) {
+  if (!mIntl) {
+    aRv.ThrowInvalidStateError("No attributes available");
+    return;
+  }
+
+  RefPtr<nsAtom> attrAtom = NS_Atomize(aAttribute);
+  RefPtr<AccAttributes> attrs = mIntl->Attributes();
+  nsAutoString valueStr;
+  attrs->GetAttribute(attrAtom, valueStr);
+  if (!ToJSValue(aCX, valueStr, aValue)) {
+    aRv.NoteJSContextException(aCX);
+    return;
+  }
+}
+
+nsINode* AccessibleNode::GetDOMNode() { return mDOMNode; }