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// Copyright 2019 The Chromium Authors
// 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_DICTIONARY_BASE_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_BINDINGS_DICTIONARY_BASE_H_
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
#include "v8/include/v8-forward.h"
#include "v8/include/v8-local-handle.h"
namespace blink {
class ScriptState;
namespace bindings {
// InputDictionaryBase is the common base class for all dictionaries. The ones
// that also support conversion to Objects are inheriting DictionaryBase. Most
// importantly these classes provide a way to differentiate dictionary types in
// template specializations (i.e. are being used for constraints).
class PLATFORM_EXPORT InputDictionaryBase
: public GarbageCollected<InputDictionaryBase> {
public:
InputDictionaryBase(const InputDictionaryBase&) = delete;
InputDictionaryBase(const InputDictionaryBase&&) = delete;
InputDictionaryBase& operator=(const InputDictionaryBase&) = delete;
InputDictionaryBase& operator=(const InputDictionaryBase&&) = delete;
virtual ~InputDictionaryBase() = default;
virtual void Trace(Visitor*) const {}
protected:
InputDictionaryBase() = default;
};
// A dictionary that supports conversion from from and to script value.
// See InputDictionaryBase for additional context.
class PLATFORM_EXPORT DictionaryBase : public InputDictionaryBase {
public:
~DictionaryBase() override = default;
v8::Local<v8::Value> ToV8(ScriptState* script_state) const;
protected:
DictionaryBase() = default;
virtual const void* TemplateKey() const = 0;
virtual void FillTemplateProperties(
WTF::Vector<std::string_view>& properties) const = 0;
virtual v8::Local<v8::Object> FillValues(
ScriptState* script_state,
v8::Local<v8::DictionaryTemplate> dict_template) const = 0;
};
} // namespace bindings
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_BINDINGS_DICTIONARY_BASE_H_
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