gecko-dev/parser/html/nsHtml5SVGLoadDispatcher.cpp

73 строки
2.9 KiB
C++

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Pierre Phaneuf <pp@ludusdesign.com>
* Henri Sivonen <hsivonen@iki.fi>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
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* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
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*
* ***** END LICENSE BLOCK ***** */
#include "nsHtml5SVGLoadDispatcher.h"
#include "nsPresContext.h"
#include "nsEventDispatcher.h"
#include "nsIPresShell.h"
#include "nsGUIEvent.h"
nsHtml5SVGLoadDispatcher::nsHtml5SVGLoadDispatcher(nsIContent* aElement)
: mElement(aElement)
, mDocument(mElement->GetOwnerDoc())
{
mDocument->BlockOnload();
}
NS_IMETHODIMP
nsHtml5SVGLoadDispatcher::Run()
{
nsEvent event(PR_TRUE, NS_SVG_LOAD);
event.eventStructType = NS_SVG_EVENT;
event.flags |= NS_EVENT_FLAG_CANT_BUBBLE;
// 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?
nsRefPtr<nsPresContext> ctx;
nsCOMPtr<nsIPresShell> shell = mElement->GetOwnerDoc()->GetShell();
if (shell) {
ctx = shell->GetPresContext();
}
nsEventDispatcher::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(PR_FALSE);
return NS_OK;
}