storage/VacuumManager.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
   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_storage_VacuumManager_h__
   8 #define mozilla_storage_VacuumManager_h__
   9
  10 #include "nsCOMPtr.h"
  11 #include "nsIObserver.h"
  12 #include "mozIStorageStatementCallback.h"
  13 #include "mozIStorageVacuumParticipant.h"
  14 #include "nsCategoryCache.h"
  15 #include "mozilla/Attributes.h"
  16
  17 namespace mozilla {
  18 namespace storage {
  19
  20 class VacuumManager final : public nsIObserver {
  21  public:
  22   NS_DECL_ISUPPORTS
  23   NS_DECL_NSIOBSERVER
  24
  25   VacuumManager();
  26
  27   /**
  28    * Obtains the VacuumManager object.
  29    */
  30   static already_AddRefed<VacuumManager> getSingleton();
  31
  32  private:
  33   ~VacuumManager();
  34
  35   static VacuumManager *gVacuumManager;
  36
  37   // Cache of components registered in "vacuum-participant" category.
  38   nsCategoryCache<mozIStorageVacuumParticipant> mParticipants;
  39 };
  40
  41 }  // namespace storage
  42 }  // namespace mozilla
  43
  44 #endif