SDBConnection.h - mozsearch

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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_simpledb_SDBConnection_h

#define mozilla_dom_simpledb_SDBConnection_h

#include <cstdint>

#include "ErrorList.h"

#include "mozilla/UniquePtr.h"

#include "mozilla/dom/quota/PersistenceType.h"

#include "nsCOMPtr.h"

#include "nsID.h"

#include "nsISDBConnection.h"

#include "nsISupports.h"

#define NS_SDBCONNECTION_CONTRACTID "@mozilla.org/dom/sdb-connection;1"

class nsISDBCloseCallback;

namespace mozilla {

namespace ipc {

class PBackgroundChild;

class PrincipalInfo;

}  // namespace ipc

namespace dom {

class SDBConnectionChild;

class SDBRequest;

class SDBRequestParams;

class SDBConnection final : public nsISDBConnection {

  using PersistenceType = mozilla::dom::quota::PersistenceType;

  using PBackgroundChild = mozilla::ipc::PBackgroundChild;

  using PrincipalInfo = mozilla::ipc::PrincipalInfo;

  nsCOMPtr<nsISDBCloseCallback> mCloseCallback;

  UniquePtr<PrincipalInfo> mPrincipalInfo;

  SDBConnectionChild* mBackgroundActor;

  PersistenceType mPersistenceType;

  bool mRunningRequest;

  bool mOpen;

  bool mAllowedToClose;

 public:

  static nsresult Create(REFNSIID aIID, void** aResult);

  void AssertIsOnOwningThread() const { NS_ASSERT_OWNINGTHREAD(SDBConnection); }

  void ClearBackgroundActor();

  void OnNewRequest();

  void OnRequestFinished();

  void OnOpen();

  void OnClose(bool aAbnormal);

  void AllowToClose();

 private:

  SDBConnection();

  ~SDBConnection();

  nsresult CheckState();

  nsresult EnsureBackgroundActor();

  nsresult InitiateRequest(SDBRequest* aRequest,

                           const SDBRequestParams& aParams);

  NS_DECL_ISUPPORTS

  NS_DECL_NSISDBCONNECTION

};

}  // namespace dom

}  // namespace mozilla

#endif /* mozilla_dom_simpledb_SDBConnection_h */