From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- dom/events/AsyncEventDispatcher.cpp | 90 +++++++++++++++++++++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100644 dom/events/AsyncEventDispatcher.cpp (limited to 'dom/events/AsyncEventDispatcher.cpp') diff --git a/dom/events/AsyncEventDispatcher.cpp b/dom/events/AsyncEventDispatcher.cpp new file mode 100644 index 000000000..da36f7993 --- /dev/null +++ b/dom/events/AsyncEventDispatcher.cpp @@ -0,0 +1,90 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=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 "mozilla/AsyncEventDispatcher.h" +#include "mozilla/BasicEvents.h" +#include "mozilla/EventDispatcher.h" +#include "mozilla/dom/Event.h" // for nsIDOMEvent::InternalDOMEvent() +#include "mozilla/dom/EventTarget.h" +#include "nsContentUtils.h" +#include "nsIDOMEvent.h" + +namespace mozilla { + +using namespace dom; + +/****************************************************************************** + * mozilla::AsyncEventDispatcher + ******************************************************************************/ + +AsyncEventDispatcher::AsyncEventDispatcher(EventTarget* aTarget, + WidgetEvent& aEvent) + : mTarget(aTarget) +{ + MOZ_ASSERT(mTarget); + RefPtr event = + EventDispatcher::CreateEvent(aTarget, nullptr, &aEvent, EmptyString()); + mEvent = event.forget(); + NS_ASSERTION(mEvent, "Should never fail to create an event"); + mEvent->DuplicatePrivateData(); + mEvent->SetTrusted(aEvent.IsTrusted()); +} + +NS_IMETHODIMP +AsyncEventDispatcher::Run() +{ + if (mCanceled) { + return NS_OK; + } + mTarget->AsyncEventRunning(this); + RefPtr event = mEvent ? mEvent->InternalDOMEvent() : nullptr; + if (!event) { + event = NS_NewDOMEvent(mTarget, nullptr, nullptr); + event->InitEvent(mEventType, mBubbles, false); + event->SetTrusted(true); + } + if (mOnlyChromeDispatch) { + MOZ_ASSERT(event->IsTrusted()); + event->WidgetEventPtr()->mFlags.mOnlyChromeDispatch = true; + } + bool dummy; + mTarget->DispatchEvent(event, &dummy); + return NS_OK; +} + +nsresult +AsyncEventDispatcher::Cancel() +{ + mCanceled = true; + return NS_OK; +} + +nsresult +AsyncEventDispatcher::PostDOMEvent() +{ + RefPtr ensureDeletionWhenFailing = this; + return NS_DispatchToCurrentThread(this); +} + +void +AsyncEventDispatcher::RunDOMEventWhenSafe() +{ + RefPtr ensureDeletionWhenFailing = this; + nsContentUtils::AddScriptRunner(this); +} + +/****************************************************************************** + * mozilla::LoadBlockingAsyncEventDispatcher + ******************************************************************************/ + +LoadBlockingAsyncEventDispatcher::~LoadBlockingAsyncEventDispatcher() +{ + if (mBlockedDoc) { + mBlockedDoc->UnblockOnload(true); + } +} + +} // namespace mozilla -- cgit v1.2.3