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// Copyright 2020 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_PLATFORM_BINDINGS_UNION_BASE_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_BINDINGS_UNION_BASE_H_
#include "third_party/blink/renderer/platform/heap/handle.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "v8/include/v8.h"
namespace blink {
class Visitor;
namespace bindings {
// This class is the base class for all IDL dictionary implementations. This
// is designed to collaborate with NativeValueTraits and ToV8 with supporting
// type dispatching (SFINAE, etc.).
class PLATFORM_EXPORT UnionBase {
DISALLOW_NEW();
public:
virtual ~UnionBase() = default;
virtual v8::Local<v8::Value> CreateV8Object(
v8::Isolate* isolate,
v8::Local<v8::Object> creation_context) const = 0;
void Trace(Visitor*) const {}
protected:
UnionBase() = default;
UnionBase(const UnionBase&) = default;
UnionBase(UnionBase&&) = default;
UnionBase& operator=(const UnionBase&) = default;
UnionBase& operator=(UnionBase&&) = default;
};
} // namespace bindings
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_BINDINGS_UNION_BASE_H_
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