dom/quota/GroupInfoPair.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 DOM_QUOTA_GROUPINFOPAIR_H_
   8 #define DOM_QUOTA_GROUPINFOPAIR_H_
   9
  10 #include "GroupInfo.h"
  11 #include "mozilla/dom/quota/Assertions.h"
  12 #include "mozilla/dom/quota/PersistenceType.h"
  13 #include "nsISupportsImpl.h"
  14 #include "nsString.h"
  15
  16 namespace mozilla::dom::quota {
  17
  18 class GroupInfo;
  19
  20 // XXX Consider a new name for this class, it has other data members now and an
  21 // additional GroupInfo (it's not a pair of GroupInfo objects anymore).
  22 class GroupInfoPair {
  23  public:
  24   GroupInfoPair(const nsACString& aSuffix, const nsACString& aGroup)
  25       : mSuffix(aSuffix), mGroup(aGroup) {
  26     MOZ_COUNT_CTOR(GroupInfoPair);
  27   }
  28
  29   MOZ_COUNTED_DTOR(GroupInfoPair)
  30
  31   const nsCString& Suffix() const { return mSuffix; }
  32
  33   const nsCString& Group() const { return mGroup; }
  34
  35   RefPtr<GroupInfo> LockedGetGroupInfo(PersistenceType aPersistenceType) {
  36     AssertCurrentThreadOwnsQuotaMutex();
  37     MOZ_ASSERT(aPersistenceType != PERSISTENCE_TYPE_PERSISTENT);
  38
  39     return GetGroupInfoForPersistenceType(aPersistenceType);
  40   }
  41
  42   void LockedSetGroupInfo(PersistenceType aPersistenceType,
  43                           GroupInfo* aGroupInfo) {
  44     AssertCurrentThreadOwnsQuotaMutex();
  45     MOZ_ASSERT(aPersistenceType != PERSISTENCE_TYPE_PERSISTENT);
  46
  47     RefPtr<GroupInfo>& groupInfo =
  48         GetGroupInfoForPersistenceType(aPersistenceType);
  49     groupInfo = aGroupInfo;
  50   }
  51
  52   void LockedClearGroupInfo(PersistenceType aPersistenceType) {
  53     AssertCurrentThreadOwnsQuotaMutex();
  54     MOZ_ASSERT(aPersistenceType != PERSISTENCE_TYPE_PERSISTENT);
  55
  56     RefPtr<GroupInfo>& groupInfo =
  57         GetGroupInfoForPersistenceType(aPersistenceType);
  58     groupInfo = nullptr;
  59   }
  60
  61   bool LockedHasGroupInfos() {
  62     AssertCurrentThreadOwnsQuotaMutex();
  63
  64     return mTemporaryStorageGroupInfo || mDefaultStorageGroupInfo ||
  65            mPrivateStorageGroupInfo;
  66   }
  67
  68  private:
  69   RefPtr<GroupInfo>& GetGroupInfoForPersistenceType(
  70       PersistenceType aPersistenceType);
  71
  72   const nsCString mSuffix;
  73   const nsCString mGroup;
  74   RefPtr<GroupInfo> mTemporaryStorageGroupInfo;
  75   RefPtr<GroupInfo> mDefaultStorageGroupInfo;
  76   RefPtr<GroupInfo> mPrivateStorageGroupInfo;
  77 };
  78
  79 }  // namespace mozilla::dom::quota
  80
  81 #endif  // DOM_QUOTA_GROUPINFOPAIR_H_