third_party/blink/renderer/core/workers/worker_navigator.cc

/*
 * Copyright (C) 2008 Apple Inc. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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 distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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#include "third_party/blink/renderer/core/workers/worker_navigator.h"
#include "third_party/blink/public/platform/web_worker_fetch_context.h"
#include "third_party/blink/renderer/core/dom/events/event.h"
#include "third_party/blink/renderer/core/dom/events/event_target.h"
#include "third_party/blink/renderer/core/loader/worker_fetch_context.h"
#include "third_party/blink/renderer/core/workers/worker_global_scope.h"
#include "third_party/blink/renderer/core/workers/worker_or_worklet_global_scope.h"
#include "third_party/blink/renderer/core/workers/worker_thread.h"
#include "third_party/blink/renderer/platform/loader/fetch/resource_fetcher.h"

namespace blink {

WorkerNavigator::WorkerNavigator(const String& user_agent,
                                 const UserAgentMetadata& ua_metadata,
                                 ExecutionContext* execution_context)
    : ExecutionContextClient(execution_context),
      NavigatorLanguage(execution_context),
      user_agent_(user_agent),
      ua_metadata_(ua_metadata) {}

WorkerNavigator::~WorkerNavigator() = default;

String WorkerNavigator::userAgent() const {
  return user_agent_;
}

String WorkerNavigator::GetAcceptLanguages() {
  WorkerOrWorkletGlobalScope* global_scope =
      To<WorkerOrWorkletGlobalScope>(GetExecutionContext());
  WebWorkerFetchContext* worker_fetch_context =
      static_cast<WorkerFetchContext*>(
          (&global_scope->EnsureFetcher()->Context()))
          ->GetWebWorkerFetchContext();
  return worker_fetch_context->GetAcceptLanguages();
}

void WorkerNavigator::NotifyUpdate() {
  SetLanguagesDirty();
  WorkerOrWorkletGlobalScope* global_scope =
      To<WorkerOrWorkletGlobalScope>(GetExecutionContext());
  global_scope->DispatchEvent(
      *Event::Create(event_type_names::kLanguagechange));
}

void WorkerNavigator::Trace(Visitor* visitor) const {
  ScriptWrappable::Trace(visitor);
  ExecutionContextClient::Trace(visitor);
  NavigatorLanguage::Trace(visitor);
  Supplementable<WorkerNavigator>::Trace(visitor);
}

}  // namespace blink