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// Copyright 2015 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef COBALT_DOM_DOM_STRING_MAP_H_
#define COBALT_DOM_DOM_STRING_MAP_H_
#include <string>
#include "base/memory/ref_counted.h"
#include "base/optional.h"
#include "cobalt/script/exception_state.h"
#include "cobalt/script/property_enumerator.h"
#include "cobalt/script/wrappable.h"
namespace cobalt {
namespace dom {
class Element;
// The DOMStringMap interface represents a set of name-value pairs. It exposes
// these using the scripting language's native mechanisms for property access.
// https://www.w3.org/TR/html50/infrastructure.html#domstringmap
//
// NOTE: This implementation is targeted to support |HTMLElement.dataset|
// which performs bidirectional conversion of key names between hyphenated
// and camel-cased forms as per
// https://www.w3.org/TR/html50/dom.html#dom-dataset.
class DOMStringMap : public script::Wrappable,
public base::SupportsWeakPtr<DOMStringMap> {
public:
explicit DOMStringMap(const scoped_refptr<Element>& element);
// Web API: DOMStringMap
base::Optional<std::string> AnonymousNamedGetter(
const std::string& key, script::ExceptionState* exception_state);
void AnonymousNamedSetter(const std::string& key, const std::string& value,
script::ExceptionState* exception_state);
// Custom, not in any spec.
bool CanQueryNamedProperty(const std::string& key) const;
// Custom, not in any spec.
void EnumerateNamedProperties(script::PropertyEnumerator* enumerator);
DEFINE_WRAPPABLE_TYPE(DOMStringMap);
private:
~DOMStringMap();
// The associated element.
scoped_refptr<Element> element_;
DISALLOW_COPY_AND_ASSIGN(DOMStringMap);
};
} // namespace dom
} // namespace cobalt
#endif // COBALT_DOM_DOM_STRING_MAP_H_