// 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_GLOBAL_SCOPE_H_
#define COBALT_WORKER_SERVICE_WORKER_GLOBAL_SCOPE_H_

#include <string>

#include "base/memory/ref_counted.h"
#include "base/memory/scoped_refptr.h"
#include "cobalt/base/tokens.h"
#include "cobalt/script/promise.h"
#include "cobalt/script/value_handle.h"
#include "cobalt/script/wrappable.h"
#include "cobalt/web/environment_settings.h"
#include "cobalt/web/event_target.h"
#include "cobalt/web/event_target_listener_info.h"
#include "cobalt/worker/service_worker.h"
#include "cobalt/worker/service_worker_registration.h"
#include "cobalt/worker/worker_global_scope.h"

namespace cobalt {
namespace worker {

// Implementation of Service Worker Global Scope.
//   https://w3c.github.io/ServiceWorker/#serviceworkerglobalscope-interface

class ServiceWorkerGlobalScope : public WorkerGlobalScope {
 public:
  explicit ServiceWorkerGlobalScope(web::EnvironmentSettings* settings);
  ServiceWorkerGlobalScope(const ServiceWorkerGlobalScope&) = delete;
  ServiceWorkerGlobalScope& operator=(const ServiceWorkerGlobalScope&) = delete;

  void Initialize() override;

  // Web API: ServiceWorkerGlobalScope
  //
  scoped_refptr<ServiceWorkerRegistration> registration() const {
    return registration_;
  }
  scoped_refptr<ServiceWorker> service_worker() const {
    return service_worker_;
  }

  script::Handle<script::Promise<void>> SkipWaiting();

  const web::EventTargetListenerInfo::EventListenerScriptValue* oninstall() {
    return GetAttributeEventListener(base::Tokens::install());
  }
  void set_oninstall(
      const web::EventTargetListenerInfo::EventListenerScriptValue&
          event_listener) {
    SetAttributeEventListener(base::Tokens::install(), event_listener);
  }

  const web::EventTargetListenerInfo::EventListenerScriptValue* onactivate() {
    return GetAttributeEventListener(base::Tokens::activate());
  }
  void set_onactivate(
      const web::EventTargetListenerInfo::EventListenerScriptValue&
          event_listener) {
    SetAttributeEventListener(base::Tokens::activate(), event_listener);
  }

  const web::EventTargetListenerInfo::EventListenerScriptValue* onfetch() {
    return GetAttributeEventListener(base::Tokens::fetch());
  }
  void set_onfetch(const web::EventTargetListenerInfo::EventListenerScriptValue&
                       event_listener) {
    SetAttributeEventListener(base::Tokens::fetch(), event_listener);
  }

  const web::EventTargetListenerInfo::EventListenerScriptValue* onmessage() {
    return GetAttributeEventListener(base::Tokens::message());
  }
  void set_onmessage(
      const web::EventTargetListenerInfo::EventListenerScriptValue&
          event_listener) {
    SetAttributeEventListener(base::Tokens::message(), event_listener);
  }
  const web::EventTargetListenerInfo::EventListenerScriptValue*
  onmessageerror() {
    return GetAttributeEventListener(base::Tokens::messageerror());
  }
  void set_onmessageerror(
      const web::EventTargetListenerInfo::EventListenerScriptValue&
          event_listener) {
    SetAttributeEventListener(base::Tokens::messageerror(), event_listener);
  }

  DEFINE_WRAPPABLE_TYPE(ServiceWorkerGlobalScope);

 protected:
  ~ServiceWorkerGlobalScope() override {}

 private:
  scoped_refptr<ServiceWorkerRegistration> registration_;
  scoped_refptr<ServiceWorker> service_worker_;
};

}  // namespace worker
}  // namespace cobalt

#endif  // COBALT_WORKER_SERVICE_WORKER_GLOBAL_SCOPE_H_