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+/* -*- 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/. */
+
+#ifndef mozilla_dom_serviceworkerupdatejob_h
+#define mozilla_dom_serviceworkerupdatejob_h
+
+#include "ServiceWorkerJob.h"
+#include "ServiceWorkerRegistration.h"
+
+#include "nsIRequest.h"
+
+namespace mozilla::dom {
+
+namespace serviceWorkerScriptCache {
+enum class OnFailure : uint8_t;
+} // namespace serviceWorkerScriptCache
+
+class ServiceWorkerManager;
+class ServiceWorkerRegistrationInfo;
+
+// A job class that performs the Update and Install algorithms from the
+// service worker spec. This class is designed to be inherited and customized
+// as a different job type. This is necessary because the register job
+// performs largely the same operations as the update job, but has a few
+// different starting steps.
+class ServiceWorkerUpdateJob : public ServiceWorkerJob {
+ public:
+ // Construct an update job to be used only for updates.
+ ServiceWorkerUpdateJob(nsIPrincipal* aPrincipal, const nsACString& aScope,
+ nsCString aScriptSpec,
+ ServiceWorkerUpdateViaCache aUpdateViaCache);
+
+ already_AddRefed<ServiceWorkerRegistrationInfo> GetRegistration() const;
+
+ protected:
+ // Construct an update job that is overriden as another job type.
+ ServiceWorkerUpdateJob(Type aType, nsIPrincipal* aPrincipal,
+ const nsACString& aScope, nsCString aScriptSpec,
+ ServiceWorkerUpdateViaCache aUpdateViaCache);
+
+ virtual ~ServiceWorkerUpdateJob();
+
+ // FailUpdateJob() must be called if an update job needs Finish() with
+ // an error.
+ void FailUpdateJob(ErrorResult& aRv);
+
+ void FailUpdateJob(nsresult aRv);
+
+ // The entry point when the update job is being used directly. Job
+ // types overriding this class should override this method to
+ // customize behavior.
+ virtual void AsyncExecute() override;
+
+ // Set the registration to be operated on by Update() or to be immediately
+ // returned as a result of the job. This must be called before Update().
+ void SetRegistration(ServiceWorkerRegistrationInfo* aRegistration);
+
+ // Execute the bulk of the update job logic using the registration defined
+ // by a previous SetRegistration() call. This can be called by the overriden
+ // AsyncExecute() to complete the job. The Update() method will always call
+ // Finish(). This method corresponds to the spec Update algorithm.
+ void Update();
+
+ ServiceWorkerUpdateViaCache GetUpdateViaCache() const;
+
+ private:
+ class CompareCallback;
+ class ContinueUpdateRunnable;
+ class ContinueInstallRunnable;
+
+ // Utility method called after a script is loaded and compared to
+ // our current cached script.
+ void ComparisonResult(nsresult aStatus, bool aInCacheAndEqual,
+ serviceWorkerScriptCache::OnFailure aOnFailure,
+ const nsAString& aNewCacheName,
+ const nsACString& aMaxScope, nsLoadFlags aLoadFlags);
+
+ // Utility method called after evaluating the worker script.
+ void ContinueUpdateAfterScriptEval(bool aScriptEvaluationResult);
+
+ // Utility method corresponding to the spec Install algorithm.
+ void Install();
+
+ // Utility method called after the install event is handled.
+ void ContinueAfterInstallEvent(bool aInstallEventSuccess);
+
+ RefPtr<ServiceWorkerRegistrationInfo> mRegistration;
+ ServiceWorkerUpdateViaCache mUpdateViaCache;
+ serviceWorkerScriptCache::OnFailure mOnFailure;
+};
+
+} // namespace mozilla::dom
+
+#endif // mozilla_dom_serviceworkerupdatejob_h