gecko-dev/parser/html/nsHtml5SVGLoadDispatcher.cpp

42 строки
1.4 KiB
C++

/* 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 "nsHtml5SVGLoadDispatcher.h"
#include "nsPresContext.h"
#include "nsIPresShell.h"
#include "mozilla/BasicEvents.h"
#include "mozilla/EventDispatcher.h"
#include "nsIDocument.h"
using namespace mozilla;
nsHtml5SVGLoadDispatcher::nsHtml5SVGLoadDispatcher(nsIContent* aElement)
: Runnable("nsHtml5SVGLoadDispatcher")
, mElement(aElement)
, mDocument(mElement->OwnerDoc())
{
mDocument->BlockOnload();
}
NS_IMETHODIMP
nsHtml5SVGLoadDispatcher::Run()
{
WidgetEvent event(true, eSVGLoad);
event.mFlags.mBubbles = false;
// Do we care about forcing presshell creation if it hasn't happened yet?
// That is, should this code flush or something? Does it really matter?
// For that matter, do we really want to try getting the prescontext?
// Does this event ever want one?
RefPtr<nsPresContext> ctx;
nsCOMPtr<nsIPresShell> shell = mElement->OwnerDoc()->GetShell();
if (shell) {
ctx = shell->GetPresContext();
}
EventDispatcher::Dispatch(mElement, ctx, &event);
// Unblocking onload on the same document that it was blocked even if
// the element has moved between docs since blocking.
mDocument->UnblockOnload(false);
return NS_OK;
}