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       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 mozilla_dom_quota_persistencetype_h__
       8             : #define mozilla_dom_quota_persistencetype_h__
       9             : 
      10             : #include "mozilla/dom/quota/QuotaCommon.h"
      11             : 
      12             : #include "mozilla/dom/StorageTypeBinding.h"
      13             : 
      14             : BEGIN_QUOTA_NAMESPACE
      15             : 
      16             : enum PersistenceType
      17             : {
      18             :   PERSISTENCE_TYPE_PERSISTENT = 0,
      19             :   PERSISTENCE_TYPE_TEMPORARY,
      20             :   PERSISTENCE_TYPE_DEFAULT,
      21             : 
      22             :   // Only needed for IPC serialization helper, should never be used in code.
      23             :   PERSISTENCE_TYPE_INVALID
      24             : };
      25             : 
      26             : static const PersistenceType kAllPersistenceTypes[] = {
      27             :   PERSISTENCE_TYPE_PERSISTENT,
      28             :   PERSISTENCE_TYPE_TEMPORARY,
      29             :   PERSISTENCE_TYPE_DEFAULT
      30             : };
      31             : 
      32             : inline void
      33           0 : PersistenceTypeToText(PersistenceType aPersistenceType, nsACString& aText)
      34             : {
      35           0 :   switch (aPersistenceType) {
      36             :     case PERSISTENCE_TYPE_PERSISTENT:
      37           0 :       aText.AssignLiteral("persistent");
      38           0 :       return;
      39             :     case PERSISTENCE_TYPE_TEMPORARY:
      40           0 :       aText.AssignLiteral("temporary");
      41           0 :       return;
      42             :     case PERSISTENCE_TYPE_DEFAULT:
      43           0 :       aText.AssignLiteral("default");
      44           0 :       return;
      45             : 
      46             :     case PERSISTENCE_TYPE_INVALID:
      47             :     default:
      48           0 :       MOZ_CRASH("Bad persistence type value!");
      49             :   }
      50             : }
      51             : 
      52             : inline PersistenceType
      53           0 : PersistenceTypeFromText(const nsACString& aText)
      54             : {
      55           0 :   if (aText.EqualsLiteral("persistent")) {
      56           0 :     return PERSISTENCE_TYPE_PERSISTENT;
      57             :   }
      58             : 
      59           0 :   if (aText.EqualsLiteral("temporary")) {
      60           0 :     return PERSISTENCE_TYPE_TEMPORARY;
      61             :   }
      62             : 
      63           0 :   if (aText.EqualsLiteral("default")) {
      64           0 :     return PERSISTENCE_TYPE_DEFAULT;
      65             :   }
      66             : 
      67           0 :   MOZ_CRASH("Should never get here!");
      68             : }
      69             : 
      70             : inline nsresult
      71           0 : NullablePersistenceTypeFromText(const nsACString& aText,
      72             :                                 Nullable<PersistenceType>* aPersistenceType)
      73             : {
      74           0 :   if (aText.IsVoid()) {
      75           0 :     *aPersistenceType = Nullable<PersistenceType>();
      76           0 :     return NS_OK;
      77             :   }
      78             : 
      79           0 :   if (aText.EqualsLiteral("persistent")) {
      80           0 :     *aPersistenceType = Nullable<PersistenceType>(PERSISTENCE_TYPE_PERSISTENT);
      81           0 :     return NS_OK;
      82             :   }
      83             : 
      84           0 :   if (aText.EqualsLiteral("temporary")) {
      85           0 :     *aPersistenceType = Nullable<PersistenceType>(PERSISTENCE_TYPE_TEMPORARY);
      86           0 :     return NS_OK;
      87             :   }
      88             : 
      89           0 :   if (aText.EqualsLiteral("default")) {
      90           0 :     *aPersistenceType = Nullable<PersistenceType>(PERSISTENCE_TYPE_DEFAULT);
      91           0 :     return NS_OK;
      92             :   }
      93             : 
      94           0 :   return NS_ERROR_FAILURE;
      95             : }
      96             : 
      97             : inline mozilla::dom::StorageType
      98           0 : PersistenceTypeToStorage(PersistenceType aPersistenceType)
      99             : {
     100           0 :   return mozilla::dom::StorageType(static_cast<int>(aPersistenceType));
     101             : }
     102             : 
     103             : inline PersistenceType
     104           0 : PersistenceTypeFromStorage(const Optional<mozilla::dom::StorageType>& aStorage)
     105             : {
     106           0 :   if (aStorage.WasPassed()) {
     107           0 :     return PersistenceType(static_cast<int>(aStorage.Value()));
     108             :   }
     109             : 
     110           0 :   return PERSISTENCE_TYPE_DEFAULT;
     111             : }
     112             : 
     113             : inline PersistenceType
     114           0 : ComplementaryPersistenceType(PersistenceType aPersistenceType)
     115             : {
     116           0 :   MOZ_ASSERT(aPersistenceType == PERSISTENCE_TYPE_DEFAULT ||
     117             :              aPersistenceType == PERSISTENCE_TYPE_TEMPORARY);
     118             : 
     119           0 :   if (aPersistenceType == PERSISTENCE_TYPE_DEFAULT) {
     120           0 :     return PERSISTENCE_TYPE_TEMPORARY;
     121             :   }
     122             : 
     123           0 :   return PERSISTENCE_TYPE_DEFAULT;
     124             : }
     125             : 
     126             : END_QUOTA_NAMESPACE
     127             : 
     128             : #endif // mozilla_dom_quota_persistencetype_h__