dom/serviceworkers/ServiceWorkerRegisterJob.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "ServiceWorkerRegisterJob.h"
   8
   9 #include "mozilla/dom/WorkerCommon.h"
  10 #include "ServiceWorkerManager.h"
  11
  12 namespace mozilla::dom {
  13
  14 ServiceWorkerRegisterJob::ServiceWorkerRegisterJob(
  15     nsIPrincipal* aPrincipal, const nsACString& aScope,
  16     const nsACString& aScriptSpec, ServiceWorkerUpdateViaCache aUpdateViaCache)
  17     : ServiceWorkerUpdateJob(Type::Register, aPrincipal, aScope,
  18                              nsCString(aScriptSpec), aUpdateViaCache) {}
  19
  20 void ServiceWorkerRegisterJob::AsyncExecute() {
  21   MOZ_ASSERT(NS_IsMainThread());
  22
  23   RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
  24   if (Canceled() || !swm) {
  25     FailUpdateJob(NS_ERROR_DOM_ABORT_ERR);
  26     return;
  27   }
  28
  29   RefPtr<ServiceWorkerRegistrationInfo> registration =
  30       swm->GetRegistration(mPrincipal, mScope);
  31
  32   if (registration) {
  33     bool sameUVC = GetUpdateViaCache() == registration->GetUpdateViaCache();
  34     registration->SetUpdateViaCache(GetUpdateViaCache());
  35
  36     RefPtr<ServiceWorkerInfo> newest = registration->Newest();
  37     if (newest && mScriptSpec.Equals(newest->ScriptSpec()) && sameUVC) {
  38       SetRegistration(registration);
  39       Finish(NS_OK);
  40       return;
  41     }
  42   } else {
  43     registration =
  44         swm->CreateNewRegistration(mScope, mPrincipal, GetUpdateViaCache());
  45     if (!registration) {
  46       FailUpdateJob(NS_ERROR_DOM_ABORT_ERR);
  47       return;
  48     }
  49   }
  50
  51   SetRegistration(registration);
  52   Update();
  53 }
  54
  55 ServiceWorkerRegisterJob::~ServiceWorkerRegisterJob() = default;
  56
  57 }  // namespace mozilla::dom