The Tor Browser: dom/indexedDB/IDBDatabase.h@b8a032363ba2 (annotated)

dom/indexedDB/IDBDatabase.h@b8a032363ba2 (annotated)

dom/indexedDB/IDBDatabase.h

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 /* -*- 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_idbdatabase_h__
 #define mozilla_dom_indexeddb_idbdatabase_h__
 #include "mozilla/dom/indexedDB/IndexedDatabase.h"
 #include "nsIDocument.h"
 #include "nsIFileStorage.h"
 #include "nsIOfflineStorage.h"
 #include "mozilla/Attributes.h"
 #include "mozilla/DOMEventTargetHelper.h"
 #include "mozilla/dom/IDBObjectStoreBinding.h"
 #include "mozilla/dom/IDBTransactionBinding.h"
 #include "mozilla/dom/quota/PersistenceType.h"
 #include "mozilla/dom/indexedDB/FileManager.h"
 #include "mozilla/dom/indexedDB/IDBRequest.h"
 #include "mozilla/dom/indexedDB/IDBWrapperCache.h"
 class nsIScriptContext;
 class nsPIDOMWindow;
 namespace mozilla {
 class EventChainPostVisitor;
 namespace dom {
 class ContentParent;
 namespace quota {
 class Client;
 }
 }
 }
 BEGIN_INDEXEDDB_NAMESPACE
 class AsyncConnectionHelper;
 struct DatabaseInfo;
 class IDBFactory;
 class IDBIndex;
 class IDBObjectStore;
 class IDBTransaction;
 class IndexedDatabaseManager;
 class IndexedDBDatabaseChild;
 class IndexedDBDatabaseParent;
 struct ObjectStoreInfoGuts;
 class IDBDatabase : public IDBWrapperCache,
                     public nsIOfflineStorage
 {
   friend class AsyncConnectionHelper;
   friend class IndexedDatabaseManager;
   friend class IndexedDBDatabaseParent;
   friend class IndexedDBDatabaseChild;
 public:
   NS_DECL_ISUPPORTS_INHERITED
   NS_DECL_NSIFILESTORAGE
   NS_DECL_NSIOFFLINESTORAGE
   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(IDBDatabase, IDBWrapperCache)
   static already_AddRefed<IDBDatabase>
   Create(IDBWrapperCache* aOwnerCache,
          IDBFactory* aFactory,
          already_AddRefed<DatabaseInfo> aDatabaseInfo,
          const nsACString& aASCIIOrigin,
          FileManager* aFileManager,
          mozilla::dom::ContentParent* aContentParent);
   static IDBDatabase*
   FromStorage(nsIOfflineStorage* aStorage);
   static IDBDatabase*
   FromStorage(nsIFileStorage* aStorage)
   {
     nsCOMPtr<nsIOfflineStorage> storage = do_QueryInterface(aStorage);
     return storage ? FromStorage(storage) : nullptr;
   }
   // nsIDOMEventTarget
   virtual nsresult PostHandleEvent(
                      EventChainPostVisitor& aVisitor) MOZ_OVERRIDE;
   DatabaseInfo* Info() const
   {
     return mDatabaseInfo;
   }
   const nsString& Name() const
   {
     return mName;
   }
   const nsString& FilePath() const
   {
     return mFilePath;
   }
   already_AddRefed<nsIDocument> GetOwnerDocument()
   {
     if (!GetOwner()) {
       return nullptr;
     }
     nsCOMPtr<nsIDocument> doc = GetOwner()->GetExtantDoc();
     return doc.forget();
   }
   void DisconnectFromActorParent();
   void CloseInternal(bool aIsDead);
   void EnterSetVersionTransaction();
   void ExitSetVersionTransaction();
   // Called when a versionchange transaction is aborted to reset the
   // DatabaseInfo.
   void RevertToPreviousState();
   FileManager* Manager() const
   {
     return mFileManager;
   }
   void
   SetActor(IndexedDBDatabaseChild* aActorChild)
   {
     NS_ASSERTION(!aActorChild || !mActorChild, "Shouldn't have more than one!");
     mActorChild = aActorChild;
   }
   void
   SetActor(IndexedDBDatabaseParent* aActorParent)
   {
     NS_ASSERTION(!aActorParent || !mActorParent,
                  "Shouldn't have more than one!");
     mActorParent = aActorParent;
   }
   IndexedDBDatabaseChild*
   GetActorChild() const
   {
     return mActorChild;
   }
   IndexedDBDatabaseParent*
   GetActorParent() const
   {
     return mActorParent;
   }
   mozilla::dom::ContentParent*
   GetContentParent() const
   {
     return mContentParent;
   }
   already_AddRefed<IDBObjectStore>
   CreateObjectStoreInternal(IDBTransaction* aTransaction,
                             const ObjectStoreInfoGuts& aInfo,
                             ErrorResult& aRv);
   IDBFactory*
   Factory() const
   {
     return mFactory;
   }
   // nsWrapperCache
   virtual JSObject*
   WrapObject(JSContext* aCx) MOZ_OVERRIDE;
   // WebIDL
   nsPIDOMWindow*
   GetParentObject() const
   {
     return GetOwner();
   }
   void
   GetName(nsString& aName) const
   {
     NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
     aName.Assign(mName);
   }
   uint64_t
   Version() const;
   already_AddRefed<mozilla::dom::DOMStringList>
   GetObjectStoreNames(ErrorResult& aRv) const;
   already_AddRefed<IDBObjectStore>
   CreateObjectStore(JSContext* aCx, const nsAString& aName,
                     const IDBObjectStoreParameters& aOptionalParameters,
                     ErrorResult& aRv);
   void
   DeleteObjectStore(const nsAString& name, ErrorResult& aRv);
   already_AddRefed<indexedDB::IDBTransaction>
   Transaction(const nsAString& aStoreName, IDBTransactionMode aMode,
               ErrorResult& aRv)
   {
     Sequence<nsString> list;
     list.AppendElement(aStoreName);
     return Transaction(list, aMode, aRv);
   }
   already_AddRefed<indexedDB::IDBTransaction>
   Transaction(const Sequence<nsString>& aStoreNames, IDBTransactionMode aMode,
               ErrorResult& aRv);
   IMPL_EVENT_HANDLER(abort)
   IMPL_EVENT_HANDLER(error)
   IMPL_EVENT_HANDLER(versionchange)
   mozilla::dom::StorageType
   Storage() const
   {
     return PersistenceTypeToStorage(mPersistenceType);
   }
   already_AddRefed<IDBRequest>
   MozCreateFileHandle(const nsAString& aName, const Optional<nsAString>& aType,
                       ErrorResult& aRv);
   virtual void LastRelease() MOZ_OVERRIDE;
 private:
   IDBDatabase(IDBWrapperCache* aOwnerCache);
   ~IDBDatabase();
   void OnUnlink();
   void InvalidateInternal(bool aIsDead);
   // The factory must be kept alive when IndexedDB is used in multiple
   // processes. If it dies then the entire actor tree will be destroyed with it
   // and the world will explode.
   nsRefPtr<IDBFactory> mFactory;
   nsRefPtr<DatabaseInfo> mDatabaseInfo;
   // Set to a copy of the existing DatabaseInfo when starting a versionchange
   // transaction.
   nsRefPtr<DatabaseInfo> mPreviousDatabaseInfo;
   nsCString mDatabaseId;
   nsString mName;
   nsString mFilePath;
   nsCString mASCIIOrigin;
   nsRefPtr<FileManager> mFileManager;
   IndexedDBDatabaseChild* mActorChild;
   IndexedDBDatabaseParent* mActorParent;
   mozilla::dom::ContentParent* mContentParent;
   nsRefPtr<mozilla::dom::quota::Client> mQuotaClient;
   bool mInvalidated;
   bool mRegistered;
   bool mClosed;
   bool mRunningVersionChange;
 };
 END_INDEXEDDB_NAMESPACE
 #endif // mozilla_dom_indexeddb_idbdatabase_h__

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dom/indexedDB/IDBDatabase.h@b8a032363ba2 (annotated)

dom/indexedDB/IDBDatabase.h