chromium/src/third_party/blink/renderer/core/workers/shared_worker_global_scope.h

/*
 * Copyright (C) 2009 Google Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
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 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * 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.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_WORKERS_SHARED_WORKER_GLOBAL_SCOPE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_WORKERS_SHARED_WORKER_GLOBAL_SCOPE_H_

#include <memory>
#include "third_party/blink/public/common/messaging/message_port_channel.h"
#include "third_party/blink/public/common/tokens/tokens.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/workers/global_scope_creation_params.h"
#include "third_party/blink/renderer/core/workers/worker_global_scope.h"
#include "third_party/blink/renderer/platform/heap/handle.h"

namespace blink {

class ApplicationCacheHostForWorker;
class SharedWorkerThread;
class WorkerClassicScriptLoader;

class CORE_EXPORT SharedWorkerGlobalScope final : public WorkerGlobalScope {
  DEFINE_WRAPPERTYPEINFO();

 public:
  SharedWorkerGlobalScope(
      std::unique_ptr<GlobalScopeCreationParams> creation_params,
      SharedWorkerThread* thread,
      base::TimeTicks time_origin,
      const SharedWorkerToken& token,
      const base::UnguessableToken& appcache_host_id);

  ~SharedWorkerGlobalScope() override;

  bool IsSharedWorkerGlobalScope() const override { return true; }

  // EventTarget
  const AtomicString& InterfaceName() const override;

  // WorkerGlobalScope
  void Initialize(
      const KURL& response_url,
      network::mojom::ReferrerPolicy response_referrer_policy,
      network::mojom::IPAddressSpace response_address_space,
      Vector<network::mojom::blink::ContentSecurityPolicyPtr> response_csp,
      const Vector<String>* response_origin_trial_tokens,
      int64_t appcache_id) override;
  void FetchAndRunClassicScript(
      const KURL& script_url,
      std::unique_ptr<WorkerMainScriptLoadParameters>
          worker_main_script_load_params,
      const FetchClientSettingsObjectSnapshot& outside_settings_object,
      WorkerResourceTimingNotifier& outside_resource_timing_notifier,
      const v8_inspector::V8StackTraceId& stack_id) override;
  void FetchAndRunModuleScript(
      const KURL& module_url_record,
      std::unique_ptr<WorkerMainScriptLoadParameters>
          worker_main_script_load_params,
      const FetchClientSettingsObjectSnapshot& outside_settings_object,
      WorkerResourceTimingNotifier& outside_resource_timing_notifier,
      network::mojom::CredentialsMode,
      RejectCoepUnsafeNone reject_coep_unsafe_none) override;

  // shared_worker_global_scope.idl
  const String name() const;
  DEFINE_ATTRIBUTE_EVENT_LISTENER(connect, kConnect)

  void Connect(MessagePortChannel channel);

  void OnAppCacheSelected();

  void Trace(Visitor*) const override;

  // Returns the token that uniquely identifies this worker.
  const SharedWorkerToken& GetSharedWorkerToken() const { return token_; }
  WorkerToken GetWorkerToken() const final { return token_; }
  bool CrossOriginIsolatedCapability() const final;
  ExecutionContextToken GetExecutionContextToken() const final {
    return token_;
  }

 private:
  void DidReceiveResponseForClassicScript(
      WorkerClassicScriptLoader* classic_script_loader);
  void DidFetchClassicScript(WorkerClassicScriptLoader* classic_script_loader,
                             const v8_inspector::V8StackTraceId& stack_id);

  void ExceptionThrown(ErrorEvent*) override;

  const SharedWorkerToken token_;
  Member<ApplicationCacheHostForWorker> appcache_host_;
};

template <>
struct DowncastTraits<SharedWorkerGlobalScope> {
  static bool AllowFrom(const ExecutionContext& context) {
    return context.IsSharedWorkerGlobalScope();
  }
};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_WORKERS_SHARED_WORKER_GLOBAL_SCOPE_H_