gecko-dev/dom/indexedDB/IDBEvents.cpp

101 строка
3.0 KiB
C++

/* -*- 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/. */
#include "IDBEvents.h"
#include "nsJSON.h"
#include "nsThreadUtils.h"
#include "IDBRequest.h"
#include "IDBTransaction.h"
USING_INDEXEDDB_NAMESPACE
using namespace mozilla::dom;
NS_DEFINE_STATIC_IID_ACCESSOR(IDBVersionChangeEvent, IDBVERSIONCHANGEEVENT_IID)
namespace {
class EventFiringRunnable : public nsRunnable
{
public:
EventFiringRunnable(EventTarget* aTarget,
nsIDOMEvent* aEvent)
: mTarget(aTarget), mEvent(aEvent)
{ }
NS_IMETHOD Run() {
bool dummy;
return mTarget->DispatchEvent(mEvent, &dummy);
}
private:
nsCOMPtr<EventTarget> mTarget;
nsCOMPtr<nsIDOMEvent> mEvent;
};
} // anonymous namespace
already_AddRefed<nsIDOMEvent>
mozilla::dom::indexedDB::CreateGenericEvent(mozilla::dom::EventTarget* aOwner,
const nsAString& aType,
Bubbles aBubbles,
Cancelable aCancelable)
{
nsCOMPtr<nsIDOMEvent> event;
NS_NewDOMEvent(getter_AddRefs(event), aOwner, nullptr, nullptr);
nsresult rv = event->InitEvent(aType,
aBubbles == eDoesBubble ? true : false,
aCancelable == eCancelable ? true : false);
NS_ENSURE_SUCCESS(rv, nullptr);
event->SetTrusted(true);
return event.forget();
}
// static
already_AddRefed<IDBVersionChangeEvent>
IDBVersionChangeEvent::CreateInternal(mozilla::dom::EventTarget* aOwner,
const nsAString& aType,
uint64_t aOldVersion,
uint64_t aNewVersion)
{
nsRefPtr<IDBVersionChangeEvent> event(new IDBVersionChangeEvent(aOwner));
nsresult rv = event->InitEvent(aType, false, false);
NS_ENSURE_SUCCESS(rv, nullptr);
event->SetTrusted(true);
event->mOldVersion = aOldVersion;
event->mNewVersion = aNewVersion;
return event.forget();
}
// static
already_AddRefed<nsIRunnable>
IDBVersionChangeEvent::CreateRunnableInternal(mozilla::dom::EventTarget* aTarget,
const nsAString& aType,
uint64_t aOldVersion,
uint64_t aNewVersion)
{
nsRefPtr<nsDOMEvent> event =
CreateInternal(aTarget, aType, aOldVersion, aNewVersion);
NS_ENSURE_TRUE(event, nullptr);
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(IDBVersionChangeEvent)
NS_INTERFACE_MAP_END_INHERITING(nsDOMEvent)