dom/simpledb/SDBRequest.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
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_simpledb_SDBRequest_h
   8 #define mozilla_dom_simpledb_SDBRequest_h
   9
  10 #include <cstdint>
  11 #include "ErrorList.h"
  12 #include "mozilla/Assertions.h"
  13 #include "mozilla/RefPtr.h"
  14 #include "nsCOMPtr.h"
  15 #include "nsCycleCollectionParticipant.h"
  16 #include "nsISDBRequest.h"
  17 #include "nsISupports.h"
  18
  19 class nsISDBCallback;
  20 class nsIVariant;
  21
  22 namespace mozilla {
  23 namespace dom {
  24
  25 class SDBConnection;
  26
  27 class SDBRequest final : public nsISDBRequest {
  28   RefPtr<SDBConnection> mConnection;
  29
  30   nsCOMPtr<nsIVariant> mResult;
  31   nsCOMPtr<nsISDBCallback> mCallback;
  32
  33   nsresult mResultCode;
  34   bool mHaveResultOrErrorCode;
  35
  36  public:
  37   explicit SDBRequest(SDBConnection* aConnection);
  38
  39   void AssertIsOnOwningThread() const { NS_ASSERT_OWNINGTHREAD(SDBRequest); }
  40
  41   SDBConnection* GetConnection() const {
  42     AssertIsOnOwningThread();
  43
  44     return mConnection;
  45   }
  46
  47   void SetResult(nsIVariant* aResult);
  48
  49   void SetError(nsresult aRv);
  50
  51  private:
  52   ~SDBRequest();
  53
  54   void FireCallback();
  55
  56   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  57   NS_DECL_NSISDBREQUEST
  58   NS_DECL_CYCLE_COLLECTION_CLASS(SDBRequest)
  59 };
  60
  61 }  // namespace dom
  62 }  // namespace mozilla
  63
  64 #endif  // mozilla_dom_simpledb_SDBRequest_h