1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/indexedDB/DatabaseInfo.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,203 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim: set ts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef mozilla_dom_indexeddb_databaseinfo_h__
1.11 +#define mozilla_dom_indexeddb_databaseinfo_h__
1.12 +
1.13 +#include "mozilla/dom/indexedDB/IndexedDatabase.h"
1.14 +
1.15 +#include "mozilla/dom/quota/PersistenceType.h"
1.16 +#include "nsRefPtrHashtable.h"
1.17 +#include "nsHashKeys.h"
1.18 +
1.19 +#include "mozilla/dom/indexedDB/Key.h"
1.20 +#include "mozilla/dom/indexedDB/KeyPath.h"
1.21 +#include "mozilla/dom/indexedDB/IDBObjectStore.h"
1.22 +
1.23 +BEGIN_INDEXEDDB_NAMESPACE
1.24 +
1.25 +class IndexedDBDatabaseChild;
1.26 +struct ObjectStoreInfo;
1.27 +
1.28 +typedef nsRefPtrHashtable<nsStringHashKey, ObjectStoreInfo>
1.29 + ObjectStoreInfoHash;
1.30 +
1.31 +struct DatabaseInfoGuts
1.32 +{
1.33 + typedef mozilla::dom::quota::PersistenceType PersistenceType;
1.34 +
1.35 + DatabaseInfoGuts()
1.36 + : nextObjectStoreId(1), nextIndexId(1)
1.37 + { }
1.38 +
1.39 + bool operator==(const DatabaseInfoGuts& aOther) const
1.40 + {
1.41 + return this->name == aOther.name &&
1.42 + this->group == aOther.group &&
1.43 + this->origin == aOther.origin &&
1.44 + this->version == aOther.version &&
1.45 + this->persistenceType == aOther.persistenceType &&
1.46 + this->nextObjectStoreId == aOther.nextObjectStoreId &&
1.47 + this->nextIndexId == aOther.nextIndexId;
1.48 + };
1.49 +
1.50 + // Make sure to update ipc/SerializationHelpers.h when changing members here!
1.51 + nsString name;
1.52 + nsCString group;
1.53 + nsCString origin;
1.54 + uint64_t version;
1.55 + PersistenceType persistenceType;
1.56 + int64_t nextObjectStoreId;
1.57 + int64_t nextIndexId;
1.58 +};
1.59 +
1.60 +struct DatabaseInfo MOZ_FINAL : public DatabaseInfoGuts
1.61 +{
1.62 + DatabaseInfo()
1.63 + : cloned(false)
1.64 + { }
1.65 +
1.66 +private:
1.67 + // Private destructor, to discourage deletion outside of Release():
1.68 + ~DatabaseInfo();
1.69 +
1.70 +public:
1.71 + static bool Get(const nsACString& aId,
1.72 + DatabaseInfo** aInfo);
1.73 +
1.74 + static bool Put(DatabaseInfo* aInfo);
1.75 +
1.76 + static void Remove(const nsACString& aId);
1.77 +
1.78 + bool GetObjectStoreNames(nsTArray<nsString>& aNames);
1.79 + bool ContainsStoreName(const nsAString& aName);
1.80 +
1.81 + ObjectStoreInfo* GetObjectStore(const nsAString& aName);
1.82 +
1.83 + bool PutObjectStore(ObjectStoreInfo* aInfo);
1.84 +
1.85 + void RemoveObjectStore(const nsAString& aName);
1.86 +
1.87 + already_AddRefed<DatabaseInfo> Clone();
1.88 +
1.89 + nsCString id;
1.90 + nsString filePath;
1.91 + bool cloned;
1.92 +
1.93 + nsAutoPtr<ObjectStoreInfoHash> objectStoreHash;
1.94 +
1.95 + NS_INLINE_DECL_REFCOUNTING(DatabaseInfo)
1.96 +};
1.97 +
1.98 +struct IndexInfo
1.99 +{
1.100 +#ifdef NS_BUILD_REFCNT_LOGGING
1.101 + IndexInfo();
1.102 + IndexInfo(const IndexInfo& aOther);
1.103 + ~IndexInfo();
1.104 +#else
1.105 + IndexInfo()
1.106 + : id(INT64_MIN), keyPath(0), unique(false), multiEntry(false) { }
1.107 +#endif
1.108 +
1.109 + bool operator==(const IndexInfo& aOther) const
1.110 + {
1.111 + return this->name == aOther.name &&
1.112 + this->id == aOther.id &&
1.113 + this->keyPath == aOther.keyPath &&
1.114 + this->unique == aOther.unique &&
1.115 + this->multiEntry == aOther.multiEntry;
1.116 + };
1.117 +
1.118 + // Make sure to update ipc/SerializationHelpers.h when changing members here!
1.119 + nsString name;
1.120 + int64_t id;
1.121 + KeyPath keyPath;
1.122 + bool unique;
1.123 + bool multiEntry;
1.124 +};
1.125 +
1.126 +struct ObjectStoreInfoGuts
1.127 +{
1.128 + ObjectStoreInfoGuts()
1.129 + : id(0), keyPath(0), autoIncrement(false)
1.130 + { }
1.131 +
1.132 + bool operator==(const ObjectStoreInfoGuts& aOther) const
1.133 + {
1.134 + return this->name == aOther.name &&
1.135 + this->id == aOther.id;
1.136 + };
1.137 +
1.138 + // Make sure to update ipc/SerializationHelpers.h when changing members here!
1.139 +
1.140 + // Constant members, can be gotten on any thread
1.141 + nsString name;
1.142 + int64_t id;
1.143 + KeyPath keyPath;
1.144 + bool autoIncrement;
1.145 +
1.146 + // Main-thread only members. This must *not* be touched on the database
1.147 + // thread.
1.148 + nsTArray<IndexInfo> indexes;
1.149 +};
1.150 +
1.151 +struct ObjectStoreInfo MOZ_FINAL : public ObjectStoreInfoGuts
1.152 +{
1.153 +#ifdef NS_BUILD_REFCNT_LOGGING
1.154 + ObjectStoreInfo();
1.155 +#else
1.156 + ObjectStoreInfo()
1.157 + : nextAutoIncrementId(0), comittedAutoIncrementId(0) { }
1.158 +#endif
1.159 +
1.160 + ObjectStoreInfo(ObjectStoreInfo& aOther);
1.161 +
1.162 +private:
1.163 + // Private destructor, to discourage deletion outside of Release():
1.164 +#ifdef NS_BUILD_REFCNT_LOGGING
1.165 + ~ObjectStoreInfo();
1.166 +#else
1.167 + ~ObjectStoreInfo() {}
1.168 +#endif
1.169 +public:
1.170 +
1.171 + // Database-thread members. After the ObjectStoreInfo has been initialized,
1.172 + // these can *only* be touced on the database thread.
1.173 + int64_t nextAutoIncrementId;
1.174 + int64_t comittedAutoIncrementId;
1.175 +
1.176 + // This is threadsafe since the ObjectStoreInfos are created on the database
1.177 + // thread but then only used from the main thread. Ideal would be if we
1.178 + // could transfer ownership from the database thread to the main thread, but
1.179 + // we don't have that ability yet.
1.180 + NS_INLINE_DECL_THREADSAFE_REFCOUNTING(ObjectStoreInfo)
1.181 +};
1.182 +
1.183 +struct IndexUpdateInfo
1.184 +{
1.185 +#ifdef NS_BUILD_REFCNT_LOGGING
1.186 + IndexUpdateInfo();
1.187 + IndexUpdateInfo(const IndexUpdateInfo& aOther);
1.188 + ~IndexUpdateInfo();
1.189 +#endif
1.190 +
1.191 + bool operator==(const IndexUpdateInfo& aOther) const
1.192 + {
1.193 + return this->indexId == aOther.indexId &&
1.194 + this->indexUnique == aOther.indexUnique &&
1.195 + this->value == aOther.value;
1.196 + };
1.197 +
1.198 + // Make sure to update ipc/SerializationHelpers.h when changing members here!
1.199 + int64_t indexId;
1.200 + bool indexUnique;
1.201 + Key value;
1.202 +};
1.203 +
1.204 +END_INDEXEDDB_NAMESPACE
1.205 +
1.206 +#endif // mozilla_dom_indexeddb_databaseinfo_h__
