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 };
  36
  37 enum class OriginInitialization {
  38   None = 0,
  39   PersistentOrigin = 1 << 0,
  40   TemporaryOrigin = 1 << 1,
  41 };
  42
  43 MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(Initialization)
  44 MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(OriginInitialization)
  45
  46 class StringGenerator final {
  47  public:
  48   // TODO: Use constexpr here once bug 1594094 is addressed.
  49   static nsLiteralCString GetString(Initialization aInitialization);
  50
  51   // TODO: Use constexpr here once bug 1594094 is addressed.
  52   static nsLiteralCString GetString(OriginInitialization aOriginInitialization);
  53 };
  54
  55 using OriginInitializationInfo =
  56     FirstInitializationAttempts<OriginInitialization, StringGenerator>;
  57
  58 class InitializationInfo
  59     : public FirstInitializationAttempts<Initialization, StringGenerator> {
  60   nsTHashMap<nsCStringHashKey, OriginInitializationInfo>
  61       mOriginInitializationInfos;
  62
  63  public:
  64   OriginInitializationInfo& MutableOriginInitializationInfoRef(
  65       const nsACString& aOrigin) {
  66     return *mOriginInitializationInfos.Lookup(aOrigin);
  67   }
  68
  69   OriginInitializationInfo& MutableOriginInitializationInfoRef(
  70       const nsACString& aOrigin, const CreateIfNonExistent&) {
  71     return mOriginInitializationInfos.LookupOrInsert(aOrigin);
  72   }
  73
  74   void ResetOriginInitializationInfos() { mOriginInitializationInfos.Clear(); }
  75 };
  76
  77 }  // namespace mozilla::dom::quota
  78
  79 #endif  // DOM_QUOTA_INITIALIZATIONTYPES_H_