gecko/dom/indexedDB/IDBRequest.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Indexed Database.
*
* The Initial Developer of the Original Code is
* The Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Shawn Wilsher <me@shawnwilsher.com>
* Ben Turner <bent.mozilla@gmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef mozilla_dom_indexeddb_idbrequest_h__
#define mozilla_dom_indexeddb_idbrequest_h__
#include "mozilla/dom/indexedDB/IndexedDatabase.h"
#include "nsIIDBRequest.h"
#include "nsIIDBVersionChangeRequest.h"
#include "nsDOMEventTargetHelper.h"
#include "nsCycleCollectionParticipant.h"
class nsIScriptContext;
class nsPIDOMWindow;
BEGIN_INDEXEDDB_NAMESPACE
class AsyncConnectionHelper;
class IDBTransaction;
class IDBRequest : public nsDOMEventTargetHelper,
public nsIIDBRequest
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIIDBREQUEST
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(IDBRequest,
nsDOMEventTargetHelper)
static
already_AddRefed<IDBRequest> Create(nsISupports* aSource,
nsIScriptContext* aScriptContext,
nsPIDOMWindow* aOwner,
IDBTransaction* aTransaction);
// nsPIDOMEventTarget
virtual nsresult PreHandleEvent(nsEventChainPreVisitor& aVisitor);
nsISupports* Source()
{
return mSource;
}
void Reset();
nsresult SetDone(AsyncConnectionHelper* aHelper);
nsIScriptContext* ScriptContext()
{
NS_ASSERTION(mScriptContext, "This should never be null!");
return mScriptContext;
}
nsPIDOMWindow* Owner()
{
NS_ASSERTION(mOwner, "This should never be null!");
return mOwner;
}
virtual void RootResultVal();
virtual void UnrootResultVal();
protected:
IDBRequest();
~IDBRequest();
nsCOMPtr<nsISupports> mSource;
nsRefPtr<IDBTransaction> mTransaction;
nsRefPtr<nsDOMEventListenerWrapper> mOnSuccessListener;
nsRefPtr<nsDOMEventListenerWrapper> mOnErrorListener;
jsval mResultVal;
PRUint16 mErrorCode;
bool mResultValRooted;
bool mHaveResultOrErrorCode;
};
class IDBVersionChangeRequest : public IDBRequest,
public nsIIDBVersionChangeRequest
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_FORWARD_NSIIDBREQUEST(IDBRequest::)
NS_DECL_NSIIDBVERSIONCHANGEREQUEST
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(IDBVersionChangeRequest,
IDBRequest)
~IDBVersionChangeRequest();
static
already_AddRefed<IDBVersionChangeRequest>
Create(nsISupports* aSource,
nsIScriptContext* aScriptContext,
nsPIDOMWindow* aOwner,
IDBTransaction* aTransaction);
virtual void RootResultVal();
virtual void UnrootResultVal();
protected:
nsRefPtr<nsDOMEventListenerWrapper> mOnBlockedListener;
};
END_INDEXEDDB_NAMESPACE
#endif // mozilla_dom_indexeddb_idbrequest_h__