gecko/dom/indexedDB/IDBEvents.cpp

167 lines
5.2 KiB
C++

/* -*- 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):
* 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 ***** */
#include "IDBEvents.h"
#include "nsIIDBDatabaseException.h"
#include "nsIPrivateDOMEvent.h"
#include "jscntxt.h"
#include "nsContentUtils.h"
#include "nsDOMClassInfoID.h"
#include "nsDOMException.h"
#include "nsJSON.h"
#include "nsThreadUtils.h"
#include "IDBRequest.h"
#include "IDBTransaction.h"
USING_INDEXEDDB_NAMESPACE
namespace {
class EventFiringRunnable : public nsRunnable
{
public:
EventFiringRunnable(nsIDOMEventTarget* aTarget,
nsIDOMEvent* aEvent)
: mTarget(aTarget), mEvent(aEvent)
{ }
NS_IMETHOD Run() {
bool dummy;
return mTarget->DispatchEvent(mEvent, &dummy);
}
private:
nsCOMPtr<nsIDOMEventTarget> mTarget;
nsCOMPtr<nsIDOMEvent> mEvent;
};
} // anonymous namespace
already_AddRefed<nsDOMEvent>
mozilla::dom::indexedDB::CreateGenericEvent(const nsAString& aType,
bool aBubblesAndCancelable)
{
nsRefPtr<nsDOMEvent> event(new nsDOMEvent(nsnull, nsnull));
nsresult rv = event->InitEvent(aType, aBubblesAndCancelable,
aBubblesAndCancelable);
NS_ENSURE_SUCCESS(rv, nsnull);
rv = event->SetTrusted(true);
NS_ENSURE_SUCCESS(rv, nsnull);
return event.forget();
}
already_AddRefed<nsIRunnable>
mozilla::dom::indexedDB::CreateGenericEventRunnable(const nsAString& aType,
nsIDOMEventTarget* aTarget)
{
nsCOMPtr<nsIDOMEvent> event(CreateGenericEvent(aType));
NS_ENSURE_TRUE(event, nsnull);
nsCOMPtr<nsIRunnable> runnable(new EventFiringRunnable(aTarget, event));
return runnable.forget();
}
// static
already_AddRefed<nsDOMEvent>
IDBVersionChangeEvent::CreateInternal(const nsAString& aType,
PRUint64 aOldVersion,
PRUint64 aNewVersion)
{
nsRefPtr<IDBVersionChangeEvent> event(new IDBVersionChangeEvent());
nsresult rv = event->InitEvent(aType, false, false);
NS_ENSURE_SUCCESS(rv, nsnull);
rv = event->SetTrusted(true);
NS_ENSURE_SUCCESS(rv, nsnull);
event->mOldVersion = aOldVersion;
event->mNewVersion = aNewVersion;
nsDOMEvent* result;
event.forget(&result);
return result;
}
// static
already_AddRefed<nsIRunnable>
IDBVersionChangeEvent::CreateRunnableInternal(const nsAString& aType,
PRUint64 aOldVersion,
PRUint64 aNewVersion,
nsIDOMEventTarget* aTarget)
{
nsRefPtr<nsDOMEvent> event =
CreateInternal(aType, aOldVersion, aNewVersion);
NS_ENSURE_TRUE(event, nsnull);
nsCOMPtr<nsIRunnable> runnable(new EventFiringRunnable(aTarget, event));
return runnable.forget();
}
NS_IMPL_ADDREF_INHERITED(IDBVersionChangeEvent, nsDOMEvent)
NS_IMPL_RELEASE_INHERITED(IDBVersionChangeEvent, nsDOMEvent)
NS_INTERFACE_MAP_BEGIN(IDBVersionChangeEvent)
NS_INTERFACE_MAP_ENTRY(nsIIDBVersionChangeEvent)
NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(IDBVersionChangeEvent)
NS_INTERFACE_MAP_END_INHERITING(nsDOMEvent)
DOMCI_DATA(IDBVersionChangeEvent, IDBVersionChangeEvent)
NS_IMETHODIMP
IDBVersionChangeEvent::GetOldVersion(PRUint64* aOldVersion)
{
NS_ENSURE_ARG_POINTER(aOldVersion);
*aOldVersion = mOldVersion;
return NS_OK;
}
NS_IMETHODIMP
IDBVersionChangeEvent::GetNewVersion(PRUint64* aNewVersion)
{
NS_ENSURE_ARG_POINTER(aNewVersion);
*aNewVersion = mNewVersion;
return NS_OK;
}