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-rw-r--r--dom/workers/ServiceWorkerRegistrationInfo.h184
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diff --git a/dom/workers/ServiceWorkerRegistrationInfo.h b/dom/workers/ServiceWorkerRegistrationInfo.h
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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_workers_serviceworkerregistrationinfo_h
+#define mozilla_dom_workers_serviceworkerregistrationinfo_h
+
+#include "mozilla/dom/workers/ServiceWorkerInfo.h"
+
+namespace mozilla {
+namespace dom {
+namespace workers {
+
+class ServiceWorkerRegistrationInfo final
+ : public nsIServiceWorkerRegistrationInfo
+{
+ uint32_t mControlledDocumentsCounter;
+
+ enum
+ {
+ NoUpdate,
+ NeedTimeCheckAndUpdate,
+ NeedUpdate
+ } mUpdateState;
+
+ uint64_t mLastUpdateCheckTime;
+
+ RefPtr<ServiceWorkerInfo> mEvaluatingWorker;
+ RefPtr<ServiceWorkerInfo> mActiveWorker;
+ RefPtr<ServiceWorkerInfo> mWaitingWorker;
+ RefPtr<ServiceWorkerInfo> mInstallingWorker;
+
+ virtual ~ServiceWorkerRegistrationInfo();
+
+public:
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSISERVICEWORKERREGISTRATIONINFO
+
+ const nsCString mScope;
+
+ nsCOMPtr<nsIPrincipal> mPrincipal;
+
+ nsTArray<nsCOMPtr<nsIServiceWorkerRegistrationInfoListener>> mListeners;
+
+ // When unregister() is called on a registration, it is not immediately
+ // removed since documents may be controlled. It is marked as
+ // pendingUninstall and when all controlling documents go away, removed.
+ bool mPendingUninstall;
+
+ ServiceWorkerRegistrationInfo(const nsACString& aScope,
+ nsIPrincipal* aPrincipal);
+
+ already_AddRefed<ServiceWorkerInfo>
+ Newest() const
+ {
+ RefPtr<ServiceWorkerInfo> newest;
+ if (mInstallingWorker) {
+ newest = mInstallingWorker;
+ } else if (mWaitingWorker) {
+ newest = mWaitingWorker;
+ } else {
+ newest = mActiveWorker;
+ }
+
+ return newest.forget();
+ }
+
+ already_AddRefed<ServiceWorkerInfo>
+ GetServiceWorkerInfoById(uint64_t aId);
+
+ void
+ StartControllingADocument()
+ {
+ ++mControlledDocumentsCounter;
+ }
+
+ void
+ StopControllingADocument()
+ {
+ MOZ_ASSERT(mControlledDocumentsCounter);
+ --mControlledDocumentsCounter;
+ }
+
+ bool
+ IsControllingDocuments() const
+ {
+ return mActiveWorker && mControlledDocumentsCounter;
+ }
+
+ void
+ Clear();
+
+ void
+ TryToActivateAsync();
+
+ void
+ TryToActivate();
+
+ void
+ Activate();
+
+ void
+ FinishActivate(bool aSuccess);
+
+ void
+ RefreshLastUpdateCheckTime();
+
+ bool
+ IsLastUpdateCheckTimeOverOneDay() const;
+
+ void
+ NotifyListenersOnChange(WhichServiceWorker aChangedWorkers);
+
+ void
+ MaybeScheduleTimeCheckAndUpdate();
+
+ void
+ MaybeScheduleUpdate();
+
+ bool
+ CheckAndClearIfUpdateNeeded();
+
+ ServiceWorkerInfo*
+ GetEvaluating() const;
+
+ ServiceWorkerInfo*
+ GetInstalling() const;
+
+ ServiceWorkerInfo*
+ GetWaiting() const;
+
+ ServiceWorkerInfo*
+ GetActive() const;
+
+ // Set the given worker as the evaluating service worker. The worker
+ // state is not changed.
+ void
+ SetEvaluating(ServiceWorkerInfo* aServiceWorker);
+
+ // Remove an existing evaluating worker, if present. The worker will
+ // be transitioned to the Redundant state.
+ void
+ ClearEvaluating();
+
+ // Remove an existing installing worker, if present. The worker will
+ // be transitioned to the Redundant state.
+ void
+ ClearInstalling();
+
+ // Transition the current evaluating worker to be the installing worker. The
+ // worker's state is update to Installing.
+ void
+ TransitionEvaluatingToInstalling();
+
+ // Transition the current installing worker to be the waiting worker. The
+ // worker's state is updated to Installed.
+ void
+ TransitionInstallingToWaiting();
+
+ // Override the current active worker. This is used during browser
+ // initialization to load persisted workers. Its also used to propagate
+ // active workers across child processes in e10s. This second use will
+ // go away once the ServiceWorkerManager moves to the parent process.
+ // The worker is transitioned to the Activated state.
+ void
+ SetActive(ServiceWorkerInfo* aServiceWorker);
+
+ // Transition the current waiting worker to be the new active worker. The
+ // worker is updated to the Activating state.
+ void
+ TransitionWaitingToActive();
+
+ // Determine if the registration is actively performing work.
+ bool
+ IsIdle() const;
+};
+
+} // namespace workers
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_workers_serviceworkerregistrationinfo_h