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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_AOM_ACCESSIBLE_NODE_LIST_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_AOM_ACCESSIBLE_NODE_LIST_H_
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/bindings/v8_binding.h"
namespace blink {
class AccessibleNode;
enum class AOMRelationListProperty;
class ExceptionState;
// Accessibility Object Model node list
// Explainer: https://github.com/WICG/aom/blob/master/explainer.md
// Spec: https://wicg.github.io/aom/spec/
class CORE_EXPORT AccessibleNodeList : public ScriptWrappable {
DEFINE_WRAPPERTYPEINFO();
public:
static AccessibleNodeList* Create(const HeapVector<Member<AccessibleNode>>&);
AccessibleNodeList();
~AccessibleNodeList() override;
void AddOwner(AOMRelationListProperty, AccessibleNode*);
void RemoveOwner(AOMRelationListProperty, AccessibleNode*);
AccessibleNode* item(unsigned offset) const;
void add(AccessibleNode*, AccessibleNode* = nullptr);
void remove(int index);
IndexedPropertySetterResult AnonymousIndexedSetter(unsigned,
AccessibleNode*,
ExceptionState&);
unsigned length() const;
void setLength(unsigned);
void Trace(Visitor*) override;
private:
void NotifyChanged();
HeapVector<std::pair<AOMRelationListProperty, Member<AccessibleNode>>>
owners_;
HeapVector<Member<AccessibleNode>> nodes_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_AOM_ACCESSIBLE_NODE_LIST_H_