dom/simpledb/SDBConnection.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_simpledb_SDBConnection_h
   8 #define mozilla_dom_simpledb_SDBConnection_h
   9
  10 #include <cstdint>
  11 #include "ErrorList.h"
  12 #include "mozilla/UniquePtr.h"
  13 #include "mozilla/dom/quota/PersistenceType.h"
  14 #include "nsCOMPtr.h"
  15 #include "nsID.h"
  16 #include "nsISDBConnection.h"
  17 #include "nsISupports.h"
  18
  19 #define NS_SDBCONNECTION_CONTRACTID "@mozilla.org/dom/sdb-connection;1"
  20
  21 class nsISDBCloseCallback;
  22
  23 namespace mozilla {
  24
  25 namespace ipc {
  26
  27 class PBackgroundChild;
  28 class PrincipalInfo;
  29
  30 }  // namespace ipc
  31
  32 namespace dom {
  33
  34 class SDBConnectionChild;
  35 class SDBRequest;
  36 class SDBRequestParams;
  37
  38 class SDBConnection final : public nsISDBConnection {
  39   using PersistenceType = mozilla::dom::quota::PersistenceType;
  40   using PBackgroundChild = mozilla::ipc::PBackgroundChild;
  41   using PrincipalInfo = mozilla::ipc::PrincipalInfo;
  42
  43   nsCOMPtr<nsISDBCloseCallback> mCloseCallback;
  44
  45   UniquePtr<PrincipalInfo> mPrincipalInfo;
  46
  47   SDBConnectionChild* mBackgroundActor;
  48
  49   PersistenceType mPersistenceType;
  50   bool mRunningRequest;
  51   bool mOpen;
  52   bool mAllowedToClose;
  53
  54  public:
  55   static nsresult Create(nsISupports* aOuter, REFNSIID aIID, void** aResult);
  56
  57   void AssertIsOnOwningThread() const { NS_ASSERT_OWNINGTHREAD(SDBConnection); }
  58
  59   void ClearBackgroundActor();
  60
  61   void OnNewRequest();
  62
  63   void OnRequestFinished();
  64
  65   void OnOpen();
  66
  67   void OnClose(bool aAbnormal);
  68
  69   void AllowToClose();
  70
  71  private:
  72   SDBConnection();
  73
  74   ~SDBConnection();
  75
  76   nsresult CheckState();
  77
  78   nsresult EnsureBackgroundActor();
  79
  80   nsresult InitiateRequest(SDBRequest* aRequest,
  81                            const SDBRequestParams& aParams);
  82
  83   NS_DECL_ISUPPORTS
  84   NS_DECL_NSISDBCONNECTION
  85 };
  86
  87 }  // namespace dom
  88 }  // namespace mozilla
  89
  90 #endif /* mozilla_dom_simpledb_SDBConnection_h */