parser/html/nsHtml5SVGLoadDispatcher.cpp

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #include "nsHtml5SVGLoadDispatcher.h"
   6 #include "mozilla/BasicEvents.h"
   7 #include "mozilla/EventDispatcher.h"
   8 #include "mozilla/dom/Document.h"
   9 #include "mozilla/dom/DocumentInlines.h"
  10 #include "nsPresContext.h"
  11
  12 using namespace mozilla;
  13
  14 nsHtml5SVGLoadDispatcher::nsHtml5SVGLoadDispatcher(nsIContent* aElement)
  15     : Runnable("nsHtml5SVGLoadDispatcher"),
  16       mElement(aElement),
  17       mDocument(mElement->OwnerDoc()) {
  18   mDocument->BlockOnload();
  19 }
  20
  21 // TODO: Convert this to MOZ_CAN_RUN_SCRIPT (bug 1415230, bug 1535398)
  22 MOZ_CAN_RUN_SCRIPT_BOUNDARY NS_IMETHODIMP nsHtml5SVGLoadDispatcher::Run() {
  23   WidgetEvent event(true, eSVGLoad);
  24   event.mFlags.mBubbles = false;
  25   // Do we care about forcing presshell creation if it hasn't happened yet?
  26   // That is, should this code flush or something?  Does it really matter?
  27   // For that matter, do we really want to try getting the prescontext?
  28   // Does this event ever want one?
  29   RefPtr<nsPresContext> ctx = mElement->OwnerDoc()->GetPresContext();
  30   EventDispatcher::Dispatch(mElement, ctx, &event);
  31   // Unblocking onload on the same document that it was blocked even if
  32   // the element has moved between docs since blocking.
  33   mDocument->UnblockOnload(false);
  34   return NS_OK;
  35 }