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120 lines
3.2 KiB
C++
120 lines
3.2 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_ServiceWorkerRegistrar_h
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#define mozilla_dom_ServiceWorkerRegistrar_h
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#include "mozilla/Monitor.h"
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#include "mozilla/Telemetry.h"
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#include "nsClassHashtable.h"
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#include "nsIAsyncShutdown.h"
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#include "nsIObserver.h"
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#include "nsCOMPtr.h"
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#include "nsString.h"
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#include "nsTArray.h"
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#define SERVICEWORKERREGISTRAR_FILE u"serviceworker.txt"
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#define SERVICEWORKERREGISTRAR_VERSION "9"
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#define SERVICEWORKERREGISTRAR_TERMINATOR "#"
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#define SERVICEWORKERREGISTRAR_TRUE "true"
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#define SERVICEWORKERREGISTRAR_FALSE "false"
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class nsIFile;
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namespace mozilla {
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namespace ipc {
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class PrincipalInfo;
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} // namespace ipc
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namespace dom {
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class ServiceWorkerRegistrationData;
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}
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} // namespace mozilla
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namespace mozilla::dom {
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class ServiceWorkerRegistrar : public nsIObserver,
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public nsIAsyncShutdownBlocker {
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friend class ServiceWorkerRegistrarSaveDataRunnable;
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSIOBSERVER
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NS_DECL_NSIASYNCSHUTDOWNBLOCKER
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static void Initialize();
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void Shutdown();
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void DataSaved(uint32_t aFileGeneration);
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static already_AddRefed<ServiceWorkerRegistrar> Get();
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void GetRegistrations(nsTArray<ServiceWorkerRegistrationData>& aValues);
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void RegisterServiceWorker(const ServiceWorkerRegistrationData& aData);
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void UnregisterServiceWorker(
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const mozilla::ipc::PrincipalInfo& aPrincipalInfo,
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const nsACString& aScope);
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void RemoveAll();
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bool ReloadDataForTest();
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protected:
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// These methods are protected because we test this class using gTest
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// subclassing it.
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void LoadData();
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nsresult SaveData(const nsTArray<ServiceWorkerRegistrationData>& aData);
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nsresult ReadData();
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nsresult WriteData(const nsTArray<ServiceWorkerRegistrationData>& aData);
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void DeleteData();
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void RegisterServiceWorkerInternal(const ServiceWorkerRegistrationData& aData)
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MOZ_REQUIRES(mMonitor);
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ServiceWorkerRegistrar();
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virtual ~ServiceWorkerRegistrar();
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private:
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void ProfileStarted();
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void ProfileStopped();
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void MaybeScheduleSaveData();
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void ShutdownCompleted();
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void MaybeScheduleShutdownCompleted();
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uint32_t GetNextGeneration();
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void MaybeResetGeneration();
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nsCOMPtr<nsIAsyncShutdownClient> GetShutdownPhase() const;
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bool IsSupportedVersion(const nsACString& aVersion) const;
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protected:
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mozilla::Monitor mMonitor;
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// protected by mMonitor.
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nsCOMPtr<nsIFile> mProfileDir MOZ_GUARDED_BY(mMonitor);
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// Read on mainthread, modified on background thread EXCEPT for
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// ReloadDataForTest() AND for gtest, which modifies this on MainThread.
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nsTArray<ServiceWorkerRegistrationData> mData MOZ_GUARDED_BY(mMonitor);
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bool mDataLoaded MOZ_GUARDED_BY(mMonitor);
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// PBackground thread only
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uint32_t mDataGeneration;
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uint32_t mFileGeneration;
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uint32_t mRetryCount;
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bool mShuttingDown;
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bool mSaveDataRunnableDispatched;
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};
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} // namespace mozilla::dom
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#endif // mozilla_dom_ServiceWorkerRegistrar_h
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