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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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
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