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