dom/quota/InitializationTypes.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_INITIALIZATIONTYPES_H_
   8 #define DOM_QUOTA_INITIALIZATIONTYPES_H_
   9
  10 #include "mozilla/TypedEnumBits.h"
  11 #include "mozilla/dom/quota/FirstInitializationAttempts.h"
  12 #include "nsLiteralString.h"
  13 #include "nsStringFwd.h"
  14 #include "nsTHashMap.h"
  15
  16 namespace mozilla {
  17 struct CreateIfNonExistent;
  18 }
  19
  20 namespace mozilla::dom::quota {
  21
  22 enum class Initialization {
  23   None = 0,
  24   Storage = 1 << 0,
  25   TemporaryStorage = 1 << 1,
  26   DefaultRepository = 1 << 2,
  27   TemporaryRepository = 1 << 3,
  28   UpgradeStorageFrom0_0To1_0 = 1 << 4,
  29   UpgradeStorageFrom1_0To2_0 = 1 << 5,
  30   UpgradeStorageFrom2_0To2_1 = 1 << 6,
  31   UpgradeStorageFrom2_1To2_2 = 1 << 7,
  32   UpgradeStorageFrom2_2To2_3 = 1 << 8,
  33   UpgradeFromIndexedDBDirectory = 1 << 9,
  34   UpgradeFromPersistentStorageDirectory = 1 << 10,
  35   PersistentRepository = 1 << 11,
  36 };
  37
  38 enum class GroupInitialization {
  39   None = 0,
  40   PersistentGroup = 1 << 0,
  41   TemporaryGroup = 1 << 1,
  42 };
  43
  44 enum class OriginInitialization {
  45   None = 0,
  46   PersistentOrigin = 1 << 0,
  47   TemporaryOrigin = 1 << 1,
  48 };
  49
  50 MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(Initialization)
  51 MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(GroupInitialization)
  52 MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(OriginInitialization)
  53
  54 class StringGenerator final {
  55  public:
  56   // TODO: Use constexpr here once bug 1594094 is addressed.
  57   static nsLiteralCString GetString(Initialization aInitialization);
  58
  59   // TODO: Use constexpr here once bug 1594094 is addressed.
  60   static nsLiteralCString GetString(GroupInitialization aGroupInitialization);
  61
  62   // TODO: Use constexpr here once bug 1594094 is addressed.
  63   static nsLiteralCString GetString(OriginInitialization aOriginInitialization);
  64 };
  65
  66 using OriginInitializationInfo =
  67     FirstInitializationAttempts<OriginInitialization, StringGenerator>;
  68
  69 using GroupInitializationInfo =
  70     FirstInitializationAttempts<GroupInitialization, StringGenerator>;
  71
  72 class InitializationInfo
  73     : public FirstInitializationAttempts<Initialization, StringGenerator> {
  74   nsTHashMap<nsCStringHashKey, GroupInitializationInfo>
  75       mGroupInitializationInfos;
  76   nsTHashMap<nsCStringHashKey, OriginInitializationInfo>
  77       mOriginInitializationInfos;
  78
  79  public:
  80   GroupInitializationInfo& MutableGroupInitializationInfoRef(
  81       const nsACString& aGroup) {
  82     return *mGroupInitializationInfos.Lookup(aGroup);
  83   }
  84
  85   GroupInitializationInfo& MutableGroupInitializationInfoRef(
  86       const nsACString& aGroup, const CreateIfNonExistent&) {
  87     return mGroupInitializationInfos.LookupOrInsert(aGroup);
  88   }
  89
  90   void ResetGroupInitializationInfos() { mGroupInitializationInfos.Clear(); }
  91
  92   OriginInitializationInfo& MutableOriginInitializationInfoRef(
  93       const nsACString& aOrigin) {
  94     return *mOriginInitializationInfos.Lookup(aOrigin);
  95   }
  96
  97   OriginInitializationInfo& MutableOriginInitializationInfoRef(
  98       const nsACString& aOrigin, const CreateIfNonExistent&) {
  99     return mOriginInitializationInfos.LookupOrInsert(aOrigin);
 100   }
 101
 102   void ResetOriginInitializationInfos() { mOriginInitializationInfos.Clear(); }
 103 };
 104
 105 }  // namespace mozilla::dom::quota
 106
 107 #endif  // DOM_QUOTA_INITIALIZATIONTYPES_H_