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 "mozilla/dom/quota/PersistenceType.h"
  11 #include "mozilla/UniquePtr.h"
  12 #include "nsISDBConnection.h"
  13 #include "nsTArray.h"
  14
  15 #define NS_SDBCONNECTION_CONTRACTID "@mozilla.org/dom/sdb-connection;1"
  16
  17 class nsISDBCloseCallback;
  18
  19 namespace mozilla {
  20
  21 namespace ipc {
  22
  23 class PBackgroundChild;
  24 class PrincipalInfo;
  25
  26 }  // namespace ipc
  27
  28 namespace dom {
  29
  30 class SDBConnectionChild;
  31 class SDBRequest;
  32 class SDBRequestParams;
  33
  34 class SDBConnection final : public nsISDBConnection {
  35   typedef mozilla::dom::quota::PersistenceType PersistenceType;
  36   typedef mozilla::ipc::PBackgroundChild PBackgroundChild;
  37   typedef mozilla::ipc::PrincipalInfo PrincipalInfo;
  38
  39   nsCOMPtr<nsISDBCloseCallback> mCloseCallback;
  40
  41   UniquePtr<PrincipalInfo> mPrincipalInfo;
  42
  43   SDBConnectionChild* mBackgroundActor;
  44
  45   PersistenceType mPersistenceType;
  46   bool mRunningRequest;
  47   bool mOpen;
  48   bool mAllowedToClose;
  49
  50  public:
  51   static nsresult Create(nsISupports* aOuter, REFNSIID aIID, void** aResult);
  52
  53   void AssertIsOnOwningThread() const { NS_ASSERT_OWNINGTHREAD(SDBConnection); }
  54
  55   void ClearBackgroundActor();
  56
  57   void OnNewRequest();
  58
  59   void OnRequestFinished();
  60
  61   void OnOpen();
  62
  63   void OnClose(bool aAbnormal);
  64
  65   void AllowToClose();
  66
  67  private:
  68   SDBConnection();
  69
  70   ~SDBConnection();
  71
  72   nsresult CheckState();
  73
  74   nsresult EnsureBackgroundActor();
  75
  76   nsresult InitiateRequest(SDBRequest* aRequest,
  77                            const SDBRequestParams& aParams);
  78
  79   NS_DECL_ISUPPORTS
  80   NS_DECL_NSISDBCONNECTION
  81 };
  82
  83 }  // namespace dom
  84 }  // namespace mozilla
  85
  86 #endif /* mozilla_dom_simpledb_SDBConnection_h */