mirror of
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177 lines
4.1 KiB
C++
177 lines
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_indexeddb_idbdatabase_h__
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#define mozilla_dom_indexeddb_idbdatabase_h__
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#include "mozilla/dom/indexedDB/IndexedDatabase.h"
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#include "nsIDocument.h"
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#include "nsIFileStorage.h"
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#include "nsIIDBDatabase.h"
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#include "nsDOMEventTargetHelper.h"
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#include "mozilla/dom/indexedDB/IDBWrapperCache.h"
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#include "mozilla/dom/indexedDB/FileManager.h"
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class nsIScriptContext;
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class nsPIDOMWindow;
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BEGIN_INDEXEDDB_NAMESPACE
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class AsyncConnectionHelper;
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struct DatabaseInfo;
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class IDBIndex;
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class IDBObjectStore;
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class IDBTransaction;
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class IndexedDatabaseManager;
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class IndexedDBDatabaseChild;
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class IndexedDBDatabaseParent;
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struct ObjectStoreInfoGuts;
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class IDBDatabase : public IDBWrapperCache,
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public nsIIDBDatabase,
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public nsIFileStorage
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{
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friend class AsyncConnectionHelper;
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friend class IndexedDatabaseManager;
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friend class IndexedDBDatabaseChild;
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_NSIIDBDATABASE
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NS_DECL_NSIFILESTORAGE
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(IDBDatabase, IDBWrapperCache)
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static already_AddRefed<IDBDatabase>
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Create(IDBWrapperCache* aOwnerCache,
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already_AddRefed<DatabaseInfo> aDatabaseInfo,
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const nsACString& aASCIIOrigin,
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FileManager* aFileManager);
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// nsIDOMEventTarget
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virtual nsresult PostHandleEvent(nsEventChainPostVisitor& aVisitor);
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nsIAtom* Id() const
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{
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return mDatabaseId;
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}
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DatabaseInfo* Info() const
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{
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return mDatabaseInfo;
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}
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const nsString& Name()
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{
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return mName;
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}
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const nsString& FilePath()
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{
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return mFilePath;
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}
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already_AddRefed<nsIDocument> GetOwnerDocument()
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{
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if (!GetOwner()) {
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return nsnull;
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}
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nsCOMPtr<nsIDocument> doc =
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do_QueryInterface(GetOwner()->GetExtantDocument());
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return doc.forget();
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}
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nsCString& Origin()
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{
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return mASCIIOrigin;
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}
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void Invalidate();
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// Whether or not the database has been invalidated. If it has then no further
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// transactions for this database will be allowed to run.
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bool IsInvalidated();
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void CloseInternal(bool aIsDead);
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// Whether or not the database has had Close called on it.
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bool IsClosed();
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void EnterSetVersionTransaction();
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void ExitSetVersionTransaction();
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// Called when a versionchange transaction is aborted to reset the
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// DatabaseInfo.
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void RevertToPreviousState();
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FileManager* Manager() const
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{
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return mFileManager;
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}
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void
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SetActor(IndexedDBDatabaseChild* aActorChild)
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{
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NS_ASSERTION(!aActorChild || !mActorChild, "Shouldn't have more than one!");
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mActorChild = aActorChild;
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}
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void
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SetActor(IndexedDBDatabaseParent* aActorParent)
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{
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NS_ASSERTION(!aActorParent || !mActorParent,
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"Shouldn't have more than one!");
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mActorParent = aActorParent;
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}
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IndexedDBDatabaseChild*
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GetActorChild() const
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{
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return mActorChild;
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}
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nsresult
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CreateObjectStoreInternal(IDBTransaction* aTransaction,
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const ObjectStoreInfoGuts& aInfo,
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IDBObjectStore** _retval);
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private:
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IDBDatabase();
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~IDBDatabase();
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void OnUnlink();
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nsRefPtr<DatabaseInfo> mDatabaseInfo;
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// Set to a copy of the existing DatabaseInfo when starting a versionchange
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// transaction.
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nsRefPtr<DatabaseInfo> mPreviousDatabaseInfo;
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nsCOMPtr<nsIAtom> mDatabaseId;
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nsString mName;
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nsString mFilePath;
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nsCString mASCIIOrigin;
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nsRefPtr<FileManager> mFileManager;
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// Only touched on the main thread.
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NS_DECL_EVENT_HANDLER(abort)
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NS_DECL_EVENT_HANDLER(error)
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NS_DECL_EVENT_HANDLER(versionchange)
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IndexedDBDatabaseChild* mActorChild;
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IndexedDBDatabaseParent* mActorParent;
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PRInt32 mInvalidated;
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bool mRegistered;
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bool mClosed;
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bool mRunningVersionChange;
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};
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END_INDEXEDDB_NAMESPACE
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#endif // mozilla_dom_indexeddb_idbdatabase_h__
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