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// Copyright 2022 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_WORKER_SERVICE_WORKER_H_
#define COBALT_WORKER_SERVICE_WORKER_H_
#include <memory>
#include <string>
#include <utility>
#include "cobalt/script/environment_settings.h"
#include "cobalt/script/value_handle.h"
#include "cobalt/script/wrappable.h"
#include "cobalt/web/event_target.h"
#include "cobalt/web/event_target_listener_info.h"
#include "cobalt/web/message_port.h"
#include "cobalt/worker/abstract_worker.h"
#include "cobalt/worker/service_worker_object.h"
#include "cobalt/worker/service_worker_state.h"
namespace cobalt {
namespace worker {
// The ServiceWorker interface represents a service worker within a service
// worker client realm.
// https://www.w3.org/TR/2022/CRD-service-workers-20220712/#serviceworker-interface
class ServiceWorker : public AbstractWorker, public web::EventTarget {
public:
ServiceWorker(script::EnvironmentSettings* settings,
ServiceWorkerObject* worker);
ServiceWorker(const ServiceWorker&) = delete;
ServiceWorker& operator=(const ServiceWorker&) = delete;
// Web API: ServiceWorker
//
void PostMessage(const script::ValueHandleHolder& message);
// The scriptURL getter steps are to return the
// service worker's serialized script url.
std::string script_url() const { return worker_->script_url().spec(); }
// https://www.w3.org/TR/2022/CRD-service-workers-20220712/#dom-serviceworker-state
void set_state(ServiceWorkerState state) {
if (worker_) worker_->set_state(state);
}
ServiceWorkerState state() const {
return worker_ ? worker_->state() : kServiceWorkerStateParsed;
}
const EventListenerScriptValue* onstatechange() const {
return GetAttributeEventListener(base::Tokens::statechange());
}
void set_onstatechange(const EventListenerScriptValue& event_listener) {
SetAttributeEventListener(base::Tokens::statechange(), event_listener);
}
// Web API: Abstract Worker
//
const EventListenerScriptValue* onerror() const override {
return GetAttributeEventListener(base::Tokens::error());
}
void set_onerror(const EventListenerScriptValue& event_listener) override {
SetAttributeEventListener(base::Tokens::error(), event_listener);
}
const scoped_refptr<ServiceWorkerObject>& service_worker_object() {
return worker_;
}
DEFINE_WRAPPABLE_TYPE(ServiceWorker);
private:
~ServiceWorker() override { worker_ = nullptr; }
scoped_refptr<ServiceWorkerObject> worker_;
};
} // namespace worker
} // namespace cobalt
#endif // COBALT_WORKER_SERVICE_WORKER_H_