/* -*- 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> 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> 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<AsyncEventDispatcher> ensureDeletionWhenFailing = this; return NS_DispatchToCurrentThread(this); } void AsyncEventDispatcher::RunDOMEventWhenSafe() { RefPtr<AsyncEventDispatcher> ensureDeletionWhenFailing = this; nsContentUtils::AddScriptRunner(this); } /****************************************************************************** * mozilla::LoadBlockingAsyncEventDispatcher ******************************************************************************/ LoadBlockingAsyncEventDispatcher::~LoadBlockingAsyncEventDispatcher() { if (mBlockedDoc) { mBlockedDoc->UnblockOnload(true); } } } // namespace mozilla