зеркало из https://github.com/mozilla/pjs.git
161 строка
4.5 KiB
C++
161 строка
4.5 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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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Indexed Database.
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*
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* The Initial Developer of the Original Code is
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* The Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Shawn Wilsher <me@shawnwilsher.com>
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* Ben Turner <bent.mozilla@gmail.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef mozilla_dom_indexeddb_idbrequest_h__
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#define mozilla_dom_indexeddb_idbrequest_h__
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#include "mozilla/dom/indexedDB/IndexedDatabase.h"
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#include "nsIIDBRequest.h"
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#include "nsIIDBOpenDBRequest.h"
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#include "nsDOMEventTargetHelper.h"
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#include "mozilla/dom/indexedDB/IDBWrapperCache.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 HelperBase;
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class IDBTransaction;
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class IDBRequest : public IDBWrapperCache,
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public nsIIDBRequest
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_NSIIDBREQUEST
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(IDBRequest,
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IDBWrapperCache)
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static
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already_AddRefed<IDBRequest> Create(nsISupports* aSource,
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IDBWrapperCache* aOwnerCache,
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IDBTransaction* aTransaction);
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// nsIDOMEventTarget
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virtual nsresult PreHandleEvent(nsEventChainPreVisitor& aVisitor);
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nsISupports* Source()
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{
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return mSource;
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}
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void Reset();
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nsresult NotifyHelperCompleted(HelperBase* aHelper);
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void SetError(nsresult rv);
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protected:
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IDBRequest();
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~IDBRequest();
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virtual void RootResultValInternal();
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virtual void UnrootResultValInternal();
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void RootResultVal()
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{
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if (!mRooted) {
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RootResultValInternal();
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mRooted = true;
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}
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}
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void UnrootResultVal()
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{
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if (mRooted) {
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UnrootResultValInternal();
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mRooted = false;
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}
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}
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nsCOMPtr<nsISupports> mSource;
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nsRefPtr<IDBTransaction> mTransaction;
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NS_DECL_EVENT_HANDLER(success)
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NS_DECL_EVENT_HANDLER(error)
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jsval mResultVal;
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nsCOMPtr<nsIDOMDOMError> mError;
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bool mHaveResultOrErrorCode;
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bool mRooted;
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};
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class IDBOpenDBRequest : public IDBRequest,
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public nsIIDBOpenDBRequest
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_FORWARD_NSIIDBREQUEST(IDBRequest::)
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NS_DECL_NSIIDBOPENDBREQUEST
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(IDBOpenDBRequest, IDBRequest)
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static
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already_AddRefed<IDBOpenDBRequest>
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Create(nsPIDOMWindow* aOwner,
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JSObject* aScriptOwner);
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static
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already_AddRefed<IDBOpenDBRequest>
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Create(IDBWrapperCache* aOwnerCache)
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{
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return Create(aOwnerCache->GetOwner(),
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aOwnerCache->GetScriptOwner());
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}
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void SetTransaction(IDBTransaction* aTransaction);
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protected:
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~IDBOpenDBRequest();
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virtual void RootResultValInternal();
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virtual void UnrootResultValInternal();
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// Only touched on the main thread.
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NS_DECL_EVENT_HANDLER(blocked)
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NS_DECL_EVENT_HANDLER(upgradeneeded)
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};
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END_INDEXEDDB_NAMESPACE
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#endif // mozilla_dom_indexeddb_idbrequest_h__
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