Quelle ServiceWorkerManagerParent.cpp Sprache: C

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "ServiceWorkerManagerParent.h"
#include "ServiceWorkerUtils.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/dom/ServiceWorkerRegistrar.h"
#include "mozilla/ipc/BackgroundParent.h"
#include "mozilla/ipc/BackgroundUtils.h"
#include "mozilla/Unused.h"
#include "nsThreadUtils.h"

namespace mozilla {

using namespace ipc;

namespace dom {

ServiceWorkerManagerParent::ServiceWorkerManagerParent() {
  AssertIsOnBackgroundThread();
}

ServiceWorkerManagerParent::~ServiceWorkerManagerParent() {
  AssertIsOnBackgroundThread();
}

mozilla::ipc::IPCResult ServiceWorkerManagerParent::RecvRegister(
    const ServiceWorkerRegistrationData& aData) {
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();
  MOZ_ASSERT(!BackgroundParent::IsOtherProcessActor(Manager()));

  // Basic validation.
  if (aData.scope().IsEmpty() ||
      aData.principal().type() == PrincipalInfo::TNullPrincipalInfo ||
      aData.principal().type() == PrincipalInfo::TSystemPrincipalInfo) {
    return IPC_FAIL_NO_REASON(this);
  }

  // If false then we have shutdown during the process of trying to update the
  // registrar. We can give up on this modification.
  if (const RefPtr<dom::ServiceWorkerRegistrar> service =
          dom::ServiceWorkerRegistrar::Get()) {
    service->RegisterServiceWorker(aData);
  }

  return IPC_OK();
}

mozilla::ipc::IPCResult ServiceWorkerManagerParent::RecvUnregister(
    const PrincipalInfo& aPrincipalInfo, const nsString& aScope) {
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();
  MOZ_ASSERT(!BackgroundParent::IsOtherProcessActor(Manager()));

  // Basic validation.
  if (aScope.IsEmpty() ||
      aPrincipalInfo.type() == PrincipalInfo::TNullPrincipalInfo ||
      aPrincipalInfo.type() == PrincipalInfo::TSystemPrincipalInfo) {
    return IPC_FAIL_NO_REASON(this);
  }

  // If false then we have shutdown during the process of trying to update the
  // registrar. We can give up on this modification.
  if (const RefPtr<dom::ServiceWorkerRegistrar> service =
          dom::ServiceWorkerRegistrar::Get()) {
    service->UnregisterServiceWorker(aPrincipalInfo,
                                     NS_ConvertUTF16toUTF8(aScope));
  }

  return IPC_OK();
}

mozilla::ipc::IPCResult ServiceWorkerManagerParent::RecvPropagateUnregister(
    const PrincipalInfo& aPrincipalInfo, const nsString& aScope) {
  AssertIsOnBackgroundThread();

  RefPtr<dom::ServiceWorkerRegistrar> service =
      dom::ServiceWorkerRegistrar::Get();
  MOZ_ASSERT(service);

  // It's possible that we don't have any ServiceWorkerManager managing this
  // scope but we still need to unregister it from the ServiceWorkerRegistrar.
  service->UnregisterServiceWorker(aPrincipalInfo,
                                   NS_ConvertUTF16toUTF8(aScope));

  // There is no longer any point to propagating because the only sender is the
  // one and only ServiceWorkerManager, but it is necessary for us to have run
  // the unregister call above because until Bug 1183245 is fixed,
  // nsIServiceWorkerManager.propagateUnregister() is a de facto API for
  // clearing ServiceWorker registrations by Sanitizer.sys.mjs via
  // ServiceWorkerCleanUp.sys.mjs, as well as devtools "unregister" affordance
  // and the no-longer-relevant about:serviceworkers UI.

  return IPC_OK();
}

void ServiceWorkerManagerParent::ActorDestroy(ActorDestroyReason aWhy) {
  AssertIsOnBackgroundThread();
}

}  // namespace dom
}  // namespace mozilla

quality100%

¤ Dauer der Verarbeitung: 0.12 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.