Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 212 insertions, 0 deletions

diff --git a/accessible/aom/AccessibleNode.h b/accessible/aom/AccessibleNode.h
new file mode 100644
index 0000000000..e9b328b13d
--- /dev/null
+++ b/accessible/aom/AccessibleNode.h
@@ -0,0 +1,212 @@
+/* -*- 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