зеркало из https://github.com/mozilla/gecko-dev.git
117 строки
3.9 KiB
C++
117 строки
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_serviceworkerupdatejob_h
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#define mozilla_dom_serviceworkerupdatejob_h
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#include "ServiceWorkerJob.h"
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#include "ServiceWorkerRegistration.h"
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namespace mozilla {
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namespace dom {
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namespace serviceWorkerScriptCache {
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enum class OnFailure : uint8_t;
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} // namespace serviceWorkerScriptCache
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class ServiceWorkerManager;
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// A job class that performs the Update and Install algorithms from the
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// service worker spec. This class is designed to be inherited and customized
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// as a different job type. This is necessary because the register job
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// performs largely the same operations as the update job, but has a few
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// different starting steps.
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class ServiceWorkerUpdateJob : public ServiceWorkerJob
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{
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public:
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// Construct an update job to be used only for updates.
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ServiceWorkerUpdateJob(nsIPrincipal* aPrincipal,
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const nsACString& aScope,
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const nsACString& aScriptSpec,
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nsILoadGroup* aLoadGroup,
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ServiceWorkerUpdateViaCache aUpdateViaCache);
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already_AddRefed<ServiceWorkerRegistrationInfo>
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GetRegistration() const;
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protected:
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// Construct an update job that is overriden as another job type.
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ServiceWorkerUpdateJob(Type aType,
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nsIPrincipal* aPrincipal,
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const nsACString& aScope,
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const nsACString& aScriptSpec,
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nsILoadGroup* aLoadGroup,
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ServiceWorkerUpdateViaCache aUpdateViaCache);
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virtual ~ServiceWorkerUpdateJob();
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// FailUpdateJob() must be called if an update job needs Finish() with
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// an error.
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void
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FailUpdateJob(ErrorResult& aRv);
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void
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FailUpdateJob(nsresult aRv);
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// The entry point when the update job is being used directly. Job
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// types overriding this class should override this method to
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// customize behavior.
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virtual void
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AsyncExecute() override;
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// Set the registration to be operated on by Update() or to be immediately
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// returned as a result of the job. This must be called before Update().
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void
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SetRegistration(ServiceWorkerRegistrationInfo* aRegistration);
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// Execute the bulk of the update job logic using the registration defined
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// by a previous SetRegistration() call. This can be called by the overriden
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// AsyncExecute() to complete the job. The Update() method will always call
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// Finish(). This method corresponds to the spec Update algorithm.
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void
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Update();
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ServiceWorkerUpdateViaCache
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GetUpdateViaCache() const;
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private:
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class CompareCallback;
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class ContinueUpdateRunnable;
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class ContinueInstallRunnable;
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// Utility method called after a script is loaded and compared to
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// our current cached script.
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void
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ComparisonResult(nsresult aStatus,
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bool aInCacheAndEqual,
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serviceWorkerScriptCache::OnFailure aOnFailure,
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const nsAString& aNewCacheName,
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const nsACString& aMaxScope,
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nsLoadFlags aLoadFlags);
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// Utility method called after evaluating the worker script.
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void
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ContinueUpdateAfterScriptEval(bool aScriptEvaluationResult);
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// Utility method corresponding to the spec Install algorithm.
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void
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Install(ServiceWorkerManager* aSWM);
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// Utility method called after the install event is handled.
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void
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ContinueAfterInstallEvent(bool aInstallEventSuccess);
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RefPtr<ServiceWorkerRegistrationInfo> mRegistration;
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nsCOMPtr<nsILoadGroup> mLoadGroup;
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ServiceWorkerUpdateViaCache mUpdateViaCache;
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serviceWorkerScriptCache::OnFailure mOnFailure;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_serviceworkerupdatejob_h
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