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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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_workers_serviceworkerupdatejob_h
#define mozilla_dom_workers_serviceworkerupdatejob_h
#include "ServiceWorkerJob.h"
#include "ServiceWorkerRegistrationInfo.h"
#include "nsILoadGroup.h"
namespace mozilla {
namespace dom {
namespace workers {
class ServiceWorkerManager;
// 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,
const nsACString& aScriptSpec,
nsILoadGroup* aLoadGroup);
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,
const nsACString& aScriptSpec,
nsILoadGroup* aLoadGroup);
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();
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,
const nsAString& aNewCacheName,
const nsACString& aMaxScope);
// Utility method called after evaluating the worker script.
void
ContinueUpdateAfterScriptEval(bool aScriptEvaluationResult);
// Utility method corresponding to the spec Install algorithm.
void
Install(ServiceWorkerManager* aSWM);
// Utility method called after the install event is handled.
void
ContinueAfterInstallEvent(bool aInstallEventSuccess);
nsCOMPtr<nsILoadGroup> mLoadGroup;
RefPtr<ServiceWorkerRegistrationInfo> mRegistration;
};
} // namespace workers
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_workers_serviceworkerupdatejob_h
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