File: ServiceWorkerRegistrationDescriptor.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_ServiceWorkerRegistrationDescriptor_h
#define _mozilla_dom_ServiceWorkerRegistrationDescriptor_h

#include "mozilla/Maybe.h"
#include "mozilla/dom/ServiceWorkerDescriptor.h"
#include "mozilla/UniquePtr.h"

namespace mozilla {

namespace ipc {
class PrincipalInfo;
}  // namespace ipc

namespace dom {

class IPCServiceWorkerRegistrationDescriptor;
class OptionalIPCServiceWorkerDescriptor;
class ServiceWorkerInfo;
enum class ServiceWorkerUpdateViaCache : uint8_t;

// This class represents a snapshot of a particular
// ServiceWorkerRegistrationInfo object. It is threadsafe and can be
// transferred across processes.
class ServiceWorkerRegistrationDescriptor final {
  // This class is largely a wrapper wround an IPDL generated struct.  We
  // need the wrapper class since IPDL generated code includes windows.h
  // which is in turn incompatible with bindings code.
  UniquePtr<IPCServiceWorkerRegistrationDescriptor> mData;

  Maybe<IPCServiceWorkerDescriptor> NewestInternal() const;

 public:
  ServiceWorkerRegistrationDescriptor(
      uint64_t aId, nsIPrincipal* aPrincipal, const nsACString& aScope,
      ServiceWorkerUpdateViaCache aUpdateViaCache);

  ServiceWorkerRegistrationDescriptor(
      uint64_t aId, const mozilla::ipc::PrincipalInfo& aPrincipalInfo,
      const nsACString& aScope, ServiceWorkerUpdateViaCache aUpdateViaCache);

  explicit ServiceWorkerRegistrationDescriptor(
      const IPCServiceWorkerRegistrationDescriptor& aDescriptor);

  ServiceWorkerRegistrationDescriptor(
      const ServiceWorkerRegistrationDescriptor& aRight);

  ServiceWorkerRegistrationDescriptor& operator=(
      const ServiceWorkerRegistrationDescriptor& aRight);

  ServiceWorkerRegistrationDescriptor(
      ServiceWorkerRegistrationDescriptor&& aRight);

  ServiceWorkerRegistrationDescriptor& operator=(
      ServiceWorkerRegistrationDescriptor&& aRight);

  ~ServiceWorkerRegistrationDescriptor();

  bool operator==(const ServiceWorkerRegistrationDescriptor& aRight) const;

  uint64_t Id() const;

  ServiceWorkerUpdateViaCache UpdateViaCache() const;

  const mozilla::ipc::PrincipalInfo& PrincipalInfo() const;

  const nsCString& Scope() const;

  Maybe<ServiceWorkerDescriptor> GetInstalling() const;

  Maybe<ServiceWorkerDescriptor> GetWaiting() const;

  Maybe<ServiceWorkerDescriptor> GetActive() const;

  Maybe<ServiceWorkerDescriptor> Newest() const;

  bool IsValid() const;

  void SetUpdateViaCache(ServiceWorkerUpdateViaCache aUpdateViaCache);

  void SetWorkers(ServiceWorkerInfo* aInstalling, ServiceWorkerInfo* aWaiting,
                  ServiceWorkerInfo* aActive);

  void SetWorkers(const OptionalIPCServiceWorkerDescriptor& aInstalling,
                  const OptionalIPCServiceWorkerDescriptor& aWaiting,
                  const OptionalIPCServiceWorkerDescriptor& aActive);

  // Expose the underlying IPC type so that it can be passed via IPC.
  const IPCServiceWorkerRegistrationDescriptor& ToIPC() const;
};

}  // namespace dom
}  // namespace mozilla

#endif  // _mozilla_dom_ServiceWorkerRegistrationDescriptor_h