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/* Copyright 2017 Google Inc. 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_MESSAGE_EVENT_H_
#define COBALT_DOM_MESSAGE_EVENT_H_
#include <string>
#include "base/memory/ref_counted.h"
#include "base/string_piece.h"
#include "cobalt/base/token.h"
#include "cobalt/dom/array_buffer.h"
#include "cobalt/dom/blob.h"
#include "cobalt/dom/event.h"
#include "cobalt/script/union_type.h"
#include "cobalt/script/wrappable.h"
#include "net/base/io_buffer.h"
namespace cobalt {
namespace dom {
class MessageEvent : public dom::Event {
public:
typedef script::UnionType3<std::string, scoped_refptr<dom::Blob>,
scoped_refptr<dom::ArrayBuffer> > ResponseType;
// These response codes are ordered in the likelyhood of being used.
// Keeping them in expected order will help make code faster.
enum ResponseTypeCode { kText, kBlob, kArrayBuffer, kResponseTypeCodeMax };
MessageEvent(base::Token type, script::EnvironmentSettings* settings,
ResponseTypeCode response_type,
const scoped_refptr<net::IOBufferWithSize>& data)
: Event(type),
settings_(settings),
response_type_(response_type),
data_(data) {}
// Creates an event with its "initialized flag" unset.
explicit MessageEvent(UninitializedFlag uninitialized_flag)
: Event(uninitialized_flag) {}
ResponseType data() const;
// These helper functions are custom, and not in any spec.
static std::string GetResponseTypeAsString(const ResponseTypeCode code);
// This function returns kResponseTypeCodeMax if no match is found.
static ResponseTypeCode GetResponseTypeCode(base::StringPiece to_match);
DEFINE_WRAPPABLE_TYPE(MessageEvent)
private:
script::EnvironmentSettings* settings_;
ResponseTypeCode response_type_;
scoped_refptr<net::IOBufferWithSize> data_;
};
} // namespace dom
} // namespace cobalt
#endif // COBALT_DOM_MESSAGE_EVENT_H_