chromium/third_party/blink/renderer/modules/service_worker/service_worker_global_scope_proxy.h

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 *
 *     * Redistributions of source code must retain the above copyright
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 * in the documentation and/or other materials provided with the
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_SERVICE_WORKER_SERVICE_WORKER_GLOBAL_SCOPE_PROXY_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_SERVICE_WORKER_SERVICE_WORKER_GLOBAL_SCOPE_PROXY_H_

#include <memory>

#include "base/memory/raw_ptr.h"
#include "base/task/single_thread_task_runner.h"
#include "base/threading/thread_checker.h"
#include "base/time/time.h"
#include "third_party/blink/public/mojom/service_worker/controller_service_worker.mojom-blink.h"
#include "third_party/blink/public/mojom/service_worker/dispatch_fetch_event_params.mojom-blink.h"
#include "third_party/blink/public/mojom/service_worker/service_worker.mojom-blink.h"
#include "third_party/blink/public/mojom/service_worker/service_worker_fetch_handler_type.mojom-blink.h"
#include "third_party/blink/public/platform/web_string.h"
#include "third_party/blink/public/web/modules/service_worker/web_service_worker_context_proxy.h"
#include "third_party/blink/renderer/core/workers/worker_reporting_proxy.h"
#include "third_party/blink/renderer/platform/heap/cross_thread_persistent.h"
#include "third_party/blink/renderer/platform/weborigin/kurl.h"
#include "third_party/blink/renderer/platform/wtf/casting.h"
#include "third_party/blink/renderer/platform/wtf/forward.h"
#include "third_party/blink/renderer/platform/wtf/functional.h"

namespace blink {

class ServiceWorkerGlobalScope;
class WebEmbeddedWorkerImpl;
class WebServiceWorkerContextClient;

// This class is created and destructed on an "initiator thread" (the
// background ThreadPool thread that WebEmbeddedWorkerImpl run on), but lives
// most of its time as a resident of the service worker thread. All methods
// other than its ctor/dtor and Detach() are called on the service worker
// thread.
//
// This implements WebServiceWorkerContextProxy, which connects ServiceWorker's
// WorkerGlobalScope and embedder/chrome, and implements ServiceWorker-specific
// events/upcall methods that are to be called by embedder/chromium, e.g.
// onfetch.
//
// An instance of this class is supposed to outlive until
// workerThreadTerminated() is called by its corresponding WorkerGlobalScope.
class ServiceWorkerGlobalScopeProxy final : public WebServiceWorkerContextProxy,
                                            public WorkerReportingProxy { … };

// TODO(leonhsl): This is only used by ServiceWorkerGlobalScope for calling
// WebServiceWorkerContextClient::{SetupNavigationPreload,RequestTermination}(),
// which will be Onion Soupped eventually, at that time we'd remove this.
template <>
struct DowncastTraits<ServiceWorkerGlobalScopeProxy> { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_MODULES_SERVICE_WORKER_SERVICE_WORKER_GLOBAL_SCOPE_PROXY_H_