The Tor Browser: dom/indexedDB/DatabaseInfo.h@7e26c7da4463 (annotated)

dom/indexedDB/DatabaseInfo.h@7e26c7da4463 (annotated)

dom/indexedDB/DatabaseInfo.h

Wed, 31 Dec 2014 06:55:50 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:55:50 +0100
changeset 2: 7e26c7da4463
permissions: -rw-r--r--

Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2

 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* vim: set ts=2 et sw=2 tw=80: */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #ifndef mozilla_dom_indexeddb_databaseinfo_h__
 #define mozilla_dom_indexeddb_databaseinfo_h__
 #include "mozilla/dom/indexedDB/IndexedDatabase.h"
 #include "mozilla/dom/quota/PersistenceType.h"
 #include "nsRefPtrHashtable.h"
 #include "nsHashKeys.h"
 #include "mozilla/dom/indexedDB/Key.h"
 #include "mozilla/dom/indexedDB/KeyPath.h"
 #include "mozilla/dom/indexedDB/IDBObjectStore.h"
 BEGIN_INDEXEDDB_NAMESPACE
 class IndexedDBDatabaseChild;
 struct ObjectStoreInfo;
 typedef nsRefPtrHashtable<nsStringHashKey, ObjectStoreInfo>
         ObjectStoreInfoHash;
 struct DatabaseInfoGuts
 {
   typedef mozilla::dom::quota::PersistenceType PersistenceType;
   DatabaseInfoGuts()
   : nextObjectStoreId(1), nextIndexId(1)
   { }
   bool operator==(const DatabaseInfoGuts& aOther) const
   {
     return this->name == aOther.name &&
            this->group == aOther.group &&
            this->origin == aOther.origin &&
            this->version == aOther.version &&
            this->persistenceType == aOther.persistenceType &&
            this->nextObjectStoreId == aOther.nextObjectStoreId &&
            this->nextIndexId == aOther.nextIndexId;
   };
   // Make sure to update ipc/SerializationHelpers.h when changing members here!
   nsString name;
   nsCString group;
   nsCString origin;
   uint64_t version;
   PersistenceType persistenceType;
   int64_t nextObjectStoreId;
   int64_t nextIndexId;
 };
 struct DatabaseInfo MOZ_FINAL : public DatabaseInfoGuts
 {
   DatabaseInfo()
   : cloned(false)
   { }
 private:
   // Private destructor, to discourage deletion outside of Release():
   ~DatabaseInfo();
 public:
   static bool Get(const nsACString& aId,
                   DatabaseInfo** aInfo);
   static bool Put(DatabaseInfo* aInfo);
   static void Remove(const nsACString& aId);
   bool GetObjectStoreNames(nsTArray<nsString>& aNames);
   bool ContainsStoreName(const nsAString& aName);
   ObjectStoreInfo* GetObjectStore(const nsAString& aName);
   bool PutObjectStore(ObjectStoreInfo* aInfo);
   void RemoveObjectStore(const nsAString& aName);
   already_AddRefed<DatabaseInfo> Clone();
   nsCString id;
   nsString filePath;
   bool cloned;
   nsAutoPtr<ObjectStoreInfoHash> objectStoreHash;
   NS_INLINE_DECL_REFCOUNTING(DatabaseInfo)
 };
 struct IndexInfo
 {
 #ifdef NS_BUILD_REFCNT_LOGGING
   IndexInfo();
   IndexInfo(const IndexInfo& aOther);
   ~IndexInfo();
 #else
   IndexInfo()
   : id(INT64_MIN), keyPath(0), unique(false), multiEntry(false) { }
 #endif
   bool operator==(const IndexInfo& aOther) const
   {
     return this->name == aOther.name &&
            this->id == aOther.id &&
            this->keyPath == aOther.keyPath &&
            this->unique == aOther.unique &&
            this->multiEntry == aOther.multiEntry;
   };
   // Make sure to update ipc/SerializationHelpers.h when changing members here!
   nsString name;
   int64_t id;
   KeyPath keyPath;
   bool unique;
   bool multiEntry;
 };
 struct ObjectStoreInfoGuts
 {
   ObjectStoreInfoGuts()
   : id(0), keyPath(0), autoIncrement(false)
   { }
   bool operator==(const ObjectStoreInfoGuts& aOther) const
   {
     return this->name == aOther.name &&
            this->id == aOther.id;
   };
   // Make sure to update ipc/SerializationHelpers.h when changing members here!
   // Constant members, can be gotten on any thread
   nsString name;
   int64_t id;
   KeyPath keyPath;
   bool autoIncrement;
   // Main-thread only members. This must *not* be touched on the database
   // thread.
   nsTArray<IndexInfo> indexes;
 };
 struct ObjectStoreInfo MOZ_FINAL : public ObjectStoreInfoGuts
 {
 #ifdef NS_BUILD_REFCNT_LOGGING
   ObjectStoreInfo();
 #else
   ObjectStoreInfo()
   : nextAutoIncrementId(0), comittedAutoIncrementId(0) { }
 #endif
   ObjectStoreInfo(ObjectStoreInfo& aOther);
 private:
   // Private destructor, to discourage deletion outside of Release():
 #ifdef NS_BUILD_REFCNT_LOGGING
   ~ObjectStoreInfo();
 #else
   ~ObjectStoreInfo() {}
 #endif
 public:
   // Database-thread members. After the ObjectStoreInfo has been initialized,
   // these can *only* be touced on the database thread.
   int64_t nextAutoIncrementId;
   int64_t comittedAutoIncrementId;
   // This is threadsafe since the ObjectStoreInfos are created on the database
   // thread but then only used from the main thread. Ideal would be if we
   // could transfer ownership from the database thread to the main thread, but
   // we don't have that ability yet.
   NS_INLINE_DECL_THREADSAFE_REFCOUNTING(ObjectStoreInfo)
 };
 struct IndexUpdateInfo
 {
 #ifdef NS_BUILD_REFCNT_LOGGING
   IndexUpdateInfo();
   IndexUpdateInfo(const IndexUpdateInfo& aOther);
   ~IndexUpdateInfo();
 #endif
   bool operator==(const IndexUpdateInfo& aOther) const
   {
     return this->indexId == aOther.indexId &&
            this->indexUnique == aOther.indexUnique &&
            this->value == aOther.value;
   };
   // Make sure to update ipc/SerializationHelpers.h when changing members here!
   int64_t indexId;
   bool indexUnique;
   Key value;
 };
 END_INDEXEDDB_NAMESPACE
 #endif // mozilla_dom_indexeddb_databaseinfo_h__

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dom/indexedDB/DatabaseInfo.h@7e26c7da4463 (annotated)

dom/indexedDB/DatabaseInfo.h