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diff --git a/accessible/aom/AccessibleNode.h b/accessible/aom/AccessibleNode.h
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+/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
+/* vim: set ts=2 et sw=2 tw=40: */
+/* 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/. */
+
+#ifndef A11Y_AOM_ACCESSIBLENODE_H
+#define A11Y_AOM_ACCESSIBLENODE_H
+
+#include "nsTHashMap.h"
+#include "nsRefPtrHashtable.h"
+#include "nsWrapperCache.h"
+#include "mozilla/dom/BindingDeclarations.h"
+#include "mozilla/dom/DOMString.h"
+#include "mozilla/dom/Nullable.h"
+
+class nsINode;
+
+namespace mozilla {
+
+class ErrorResult;
+
+namespace a11y {
+class LocalAccessible;
+}
+
+namespace dom {
+
+class DOMStringList;
+struct ParentObject;
+
+#define ANODE_ENUM(name) e##name,
+
+#define ANODE_FUNC(typeName, type, name) \
+ dom::Nullable<type> Get##name() { \
+ return GetProperty(AOM##typeName##Property::e##name); \
+ } \
+ \
+ void Set##name(const dom::Nullable<type>& a##name) { \
+ SetProperty(AOM##typeName##Property::e##name, a##name); \
+ }
+
+#define ANODE_STRING_FUNC(name) \
+ void Get##name(nsAString& a##name) { \
+ return GetProperty(AOMStringProperty::e##name, a##name); \
+ } \
+ \
+ void Set##name(const nsAString& a##name) { \
+ SetProperty(AOMStringProperty::e##name, a##name); \
+ }
+
+#define ANODE_RELATION_FUNC(name) \
+ already_AddRefed<AccessibleNode> Get##name() { \
+ return GetProperty(AOMRelationProperty::e##name); \
+ } \
+ \
+ void Set##name(AccessibleNode* a##name) { \
+ SetProperty(AOMRelationProperty::e##name, a##name); \
+ }
+
+#define ANODE_PROPS(typeName, type, ...) \
+ enum class AOM##typeName##Property{ \
+ MOZ_FOR_EACH(ANODE_ENUM, (), (__VA_ARGS__))}; \
+ MOZ_FOR_EACH(ANODE_FUNC, (typeName, type, ), (__VA_ARGS__))
+
+#define ANODE_STRING_PROPS(...) \
+ enum class AOMStringProperty { \
+ MOZ_FOR_EACH(ANODE_ENUM, (), (__VA_ARGS__)) \
+ }; \
+ MOZ_FOR_EACH(ANODE_STRING_FUNC, (), (__VA_ARGS__))
+
+#define ANODE_RELATION_PROPS(...) \
+ enum class AOMRelationProperty { \
+ MOZ_FOR_EACH(ANODE_ENUM, (), (__VA_ARGS__)) \
+ }; \
+ MOZ_FOR_EACH(ANODE_RELATION_FUNC, (), (__VA_ARGS__))
+
+#define ANODE_ACCESSOR_MUTATOR(typeName, type, defVal) \
+ nsTHashMap<nsUint32HashKey, type> m##typeName##Properties; \
+ \
+ dom::Nullable<type> GetProperty(AOM##typeName##Property aProperty) { \
+ type value = defVal; \
+ if (m##typeName##Properties.Get(static_cast<int>(aProperty), &value)) { \
+ return dom::Nullable<type>(value); \
+ } \
+ return dom::Nullable<type>(); \
+ } \
+ \
+ void SetProperty(AOM##typeName##Property aProperty, \
+ const dom::Nullable<type>& aValue) { \
+ if (aValue.IsNull()) { \
+ m##typeName##Properties.Remove(static_cast<int>(aProperty)); \
+ } else { \
+ m##typeName##Properties.InsertOrUpdate(static_cast<int>(aProperty), \
+ aValue.Value()); \
+ } \
+ }
+
+class AccessibleNode : public nsISupports, public nsWrapperCache {
+ public:
+ explicit AccessibleNode(nsINode* aNode);
+
+ NS_DECL_CYCLE_COLLECTING_ISUPPORTS;
+ NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(AccessibleNode);
+
+ JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) final;
+ dom::ParentObject GetParentObject() const;
+
+ void GetComputedRole(nsAString& aRole);
+ void GetStates(nsTArray<nsString>& aStates);
+ void GetAttributes(nsTArray<nsString>& aAttributes);
+ nsINode* GetDOMNode();
+
+ bool Is(const Sequence<nsString>& aFlavors);
+ bool Has(const Sequence<nsString>& aAttributes);
+ void Get(JSContext* cx, const nsAString& aAttribute,
+ JS::MutableHandle<JS::Value> aValue, ErrorResult& aRv);
+
+ static bool IsAOMEnabled(JSContext*, JSObject*);
+
+ ANODE_STRING_PROPS(Autocomplete, Checked, Current, HasPopUp, Invalid,
+ KeyShortcuts, Label, Live, Orientation, Placeholder,
+ Pressed, Relevant, Role, RoleDescription, Sort, ValueText)
+
+ ANODE_PROPS(Boolean, bool, Atomic, Busy, Disabled, Expanded, Hidden, Modal,
+ Multiline, Multiselectable, ReadOnly, Required, Selected)
+
+ ANODE_PROPS(UInt, uint32_t, ColIndex, ColSpan, Level, PosInSet, RowIndex,
+ RowSpan)
+
+ ANODE_PROPS(Int, int32_t, ColCount, RowCount, SetSize)
+
+ ANODE_PROPS(Double, double, ValueMax, ValueMin, ValueNow)
+
+ ANODE_RELATION_PROPS(ActiveDescendant, Details, ErrorMessage)
+
+ protected:
+ AccessibleNode(const AccessibleNode& aCopy) = delete;
+ AccessibleNode& operator=(const AccessibleNode& aCopy) = delete;
+ virtual ~AccessibleNode();
+
+ void GetProperty(AOMStringProperty aProperty, nsAString& aRetval) {
+ nsString data;
+ if (!mStringProperties.Get(static_cast<int>(aProperty), &data)) {
+ SetDOMStringToNull(data);
+ }
+ aRetval = data;
+ }
+
+ void SetProperty(AOMStringProperty aProperty, const nsAString& aValue) {
+ if (DOMStringIsNull(aValue)) {
+ mStringProperties.Remove(static_cast<int>(aProperty));
+ } else {
+ nsString value(aValue);
+ mStringProperties.InsertOrUpdate(static_cast<int>(aProperty), value);
+ }
+ }
+
+ dom::Nullable<bool> GetProperty(AOMBooleanProperty aProperty) {
+ int num = static_cast<int>(aProperty);
+ if (mBooleanProperties & (1U << (2 * num))) {
+ bool data = static_cast<bool>(mBooleanProperties & (1U << (2 * num + 1)));
+ return dom::Nullable<bool>(data);
+ }
+ return dom::Nullable<bool>();
+ }
+
+ void SetProperty(AOMBooleanProperty aProperty,
+ const dom::Nullable<bool>& aValue) {
+ int num = static_cast<int>(aProperty);
+ if (aValue.IsNull()) {
+ mBooleanProperties &= ~(1U << (2 * num));
+ } else {
+ mBooleanProperties |= (1U << (2 * num));
+ mBooleanProperties =
+ (aValue.Value() ? mBooleanProperties | (1U << (2 * num + 1))
+ : mBooleanProperties & ~(1U << (2 * num + 1)));
+ }
+ }
+
+ ANODE_ACCESSOR_MUTATOR(Double, double, 0.0)
+ ANODE_ACCESSOR_MUTATOR(Int, int32_t, 0)
+ ANODE_ACCESSOR_MUTATOR(UInt, uint32_t, 0)
+
+ already_AddRefed<AccessibleNode> GetProperty(AOMRelationProperty aProperty) {
+ return mRelationProperties.Get(static_cast<int>(aProperty));
+ }
+
+ void SetProperty(AOMRelationProperty aProperty, AccessibleNode* aValue) {
+ if (!aValue) {
+ mRelationProperties.Remove(static_cast<int>(aProperty));
+ } else {
+ mRelationProperties.InsertOrUpdate(static_cast<int>(aProperty),
+ RefPtr{aValue});
+ }
+ }
+
+ // The 2k'th bit indicates whether the k'th boolean property is used(1) or
+ // not(0) and 2k+1'th bit contains the property's value(1:true, 0:false)
+ uint32_t mBooleanProperties;
+ nsRefPtrHashtable<nsUint32HashKey, AccessibleNode> mRelationProperties;
+ nsTHashMap<nsUint32HashKey, nsString> mStringProperties;
+
+ RefPtr<a11y::LocalAccessible> mIntl;
+ RefPtr<nsINode> mDOMNode;
+ RefPtr<dom::DOMStringList> mStates;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // A11Y_JSAPI_ACCESSIBLENODE