2007-03-22 10:30:00 -07:00
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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// vim: ft=cpp tw=78 sw=2 et ts=2
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Boris Zbarsky <bzbarsky@mit.edu>.
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* Portions created by the Initial Developer are Copyright (C) 2003
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Christian Biesinger <cbiesinger@web.de>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* A base class which implements nsIImageLoadingContent and can be
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* subclassed by various content nodes that want to provide image
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* loading functionality (eg <img>, <object>, etc).
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*/
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#include "nsImageLoadingContent.h"
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#include "nsAutoPtr.h"
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#include "nsContentErrors.h"
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#include "nsIContent.h"
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#include "nsIDocument.h"
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#include "nsIScriptGlobalObject.h"
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#include "nsIDOMWindow.h"
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#include "nsServiceManagerUtils.h"
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#include "nsContentPolicyUtils.h"
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#include "nsIURI.h"
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#include "nsILoadGroup.h"
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#include "imgIContainer.h"
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#include "imgILoader.h"
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#include "nsThreadUtils.h"
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#include "nsNetUtil.h"
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#include "nsPresContext.h"
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#include "nsIPresShell.h"
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#include "nsIEventStateManager.h"
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#include "nsGUIEvent.h"
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#include "nsIChannel.h"
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#include "nsIStreamListener.h"
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#include "nsIFrame.h"
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#include "nsIDOMNode.h"
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#include "nsContentUtils.h"
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#include "nsIContentPolicy.h"
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#include "nsContentPolicyUtils.h"
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#include "nsEventDispatcher.h"
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#include "nsDOMClassInfo.h"
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2008-04-11 10:29:06 -07:00
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#include "mozAutoDocUpdate.h"
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2007-03-22 10:30:00 -07:00
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#ifdef DEBUG_chb
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static void PrintReqURL(imgIRequest* req) {
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if (!req) {
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printf("(null req)\n");
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return;
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}
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nsCOMPtr<nsIURI> uri;
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req->GetURI(getter_AddRefs(uri));
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if (!uri) {
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printf("(null uri)\n");
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return;
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}
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nsCAutoString spec;
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uri->GetSpec(spec);
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printf("spec='%s'\n", spec.get());
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}
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#endif /* DEBUG_chb */
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nsImageLoadingContent::nsImageLoadingContent()
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: mObserverList(nsnull),
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mImageBlockingStatus(nsIContentPolicy::ACCEPT),
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mLoadingEnabled(PR_TRUE),
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mStartingLoad(PR_FALSE),
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2009-09-12 15:44:18 -07:00
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mIsImageStateForced(PR_FALSE),
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2007-03-22 10:30:00 -07:00
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mLoading(PR_FALSE),
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// mBroken starts out true, since an image without a URI is broken....
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mBroken(PR_TRUE),
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mUserDisabled(PR_FALSE),
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2009-06-26 00:25:17 -07:00
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mSuppressed(PR_FALSE),
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2009-09-12 15:44:18 -07:00
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mBlockingOnload(PR_FALSE)
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2007-03-22 10:30:00 -07:00
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{
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if (!nsContentUtils::GetImgLoader()) {
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mLoadingEnabled = PR_FALSE;
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}
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}
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void
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nsImageLoadingContent::DestroyImageLoadingContent()
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{
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2009-09-12 15:44:18 -07:00
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// If we're blocking onload for any reason, now's a good time to stop
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SetBlockingOnload(PR_FALSE);
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2007-03-22 10:30:00 -07:00
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// Cancel our requests so they won't hold stale refs to us
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if (mCurrentRequest) {
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2008-12-19 14:35:50 -08:00
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mCurrentRequest->CancelAndForgetObserver(NS_ERROR_FAILURE);
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2007-03-22 10:30:00 -07:00
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mCurrentRequest = nsnull;
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}
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if (mPendingRequest) {
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2008-12-19 14:35:50 -08:00
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mPendingRequest->CancelAndForgetObserver(NS_ERROR_FAILURE);
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2007-03-22 10:30:00 -07:00
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mPendingRequest = nsnull;
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}
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}
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nsImageLoadingContent::~nsImageLoadingContent()
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{
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NS_ASSERTION(!mCurrentRequest && !mPendingRequest,
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"DestroyImageLoadingContent not called");
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NS_ASSERTION(!mObserverList.mObserver && !mObserverList.mNext,
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"Observers still registered?");
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}
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// Macro to call some func on each observer. This handles observers
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// removing themselves.
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#define LOOP_OVER_OBSERVERS(func_) \
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PR_BEGIN_MACRO \
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for (ImageObserver* observer = &mObserverList, *next; observer; \
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observer = next) { \
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next = observer->mNext; \
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if (observer->mObserver) { \
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observer->mObserver->func_; \
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} \
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} \
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PR_END_MACRO
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/*
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* imgIContainerObserver impl
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*/
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NS_IMETHODIMP
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nsImageLoadingContent::FrameChanged(imgIContainer* aContainer,
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2009-01-14 19:27:09 -08:00
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nsIntRect* aDirtyRect)
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2007-03-22 10:30:00 -07:00
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{
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Bug 753 - Remove nsIImage, gfxIImageFrame, and their implementations, and expose an equivalent api on imgIContainer. r=roc,josh,bz,longsonr,vlad,karlt,jimm,bsmedberg,mfinkle,peterw,peterv sr=vlad,roc
--HG--
rename : gfx/src/shared/gfxImageFrame.cpp => modules/libpr0n/src/imgFrame.cpp
rename : gfx/src/shared/gfxImageFrame.h => modules/libpr0n/src/imgFrame.h
2009-07-20 18:50:15 -07:00
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LOOP_OVER_OBSERVERS(FrameChanged(aContainer, aDirtyRect));
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2007-03-22 10:30:00 -07:00
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return NS_OK;
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}
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/*
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* imgIDecoderObserver impl
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*/
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NS_IMETHODIMP
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nsImageLoadingContent::OnStartRequest(imgIRequest* aRequest)
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{
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LOOP_OVER_OBSERVERS(OnStartRequest(aRequest));
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return NS_OK;
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}
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NS_IMETHODIMP
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nsImageLoadingContent::OnStartDecode(imgIRequest* aRequest)
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{
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2009-09-12 15:44:18 -07:00
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// Block onload if it's the current request
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if (aRequest == mCurrentRequest) {
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NS_ABORT_IF_FALSE(!mBlockingOnload, "Shouldn't already be blocking");
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SetBlockingOnload(PR_TRUE);
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}
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2007-03-22 10:30:00 -07:00
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LOOP_OVER_OBSERVERS(OnStartDecode(aRequest));
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return NS_OK;
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}
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NS_IMETHODIMP
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nsImageLoadingContent::OnStartContainer(imgIRequest* aRequest,
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imgIContainer* aContainer)
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{
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LOOP_OVER_OBSERVERS(OnStartContainer(aRequest, aContainer));
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// Have to check for state changes here, since we might have been in
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// the LOADING state before.
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UpdateImageState(PR_TRUE);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsImageLoadingContent::OnStartFrame(imgIRequest* aRequest,
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Bug 753 - Remove nsIImage, gfxIImageFrame, and their implementations, and expose an equivalent api on imgIContainer. r=roc,josh,bz,longsonr,vlad,karlt,jimm,bsmedberg,mfinkle,peterw,peterv sr=vlad,roc
--HG--
rename : gfx/src/shared/gfxImageFrame.cpp => modules/libpr0n/src/imgFrame.cpp
rename : gfx/src/shared/gfxImageFrame.h => modules/libpr0n/src/imgFrame.h
2009-07-20 18:50:15 -07:00
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PRUint32 aFrame)
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2007-03-22 10:30:00 -07:00
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{
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LOOP_OVER_OBSERVERS(OnStartFrame(aRequest, aFrame));
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return NS_OK;
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}
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NS_IMETHODIMP
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nsImageLoadingContent::OnDataAvailable(imgIRequest* aRequest,
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Bug 753 - Remove nsIImage, gfxIImageFrame, and their implementations, and expose an equivalent api on imgIContainer. r=roc,josh,bz,longsonr,vlad,karlt,jimm,bsmedberg,mfinkle,peterw,peterv sr=vlad,roc
--HG--
rename : gfx/src/shared/gfxImageFrame.cpp => modules/libpr0n/src/imgFrame.cpp
rename : gfx/src/shared/gfxImageFrame.h => modules/libpr0n/src/imgFrame.h
2009-07-20 18:50:15 -07:00
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PRBool aCurrentFrame,
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2009-01-14 19:27:09 -08:00
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const nsIntRect* aRect)
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2007-03-22 10:30:00 -07:00
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{
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Bug 753 - Remove nsIImage, gfxIImageFrame, and their implementations, and expose an equivalent api on imgIContainer. r=roc,josh,bz,longsonr,vlad,karlt,jimm,bsmedberg,mfinkle,peterw,peterv sr=vlad,roc
--HG--
rename : gfx/src/shared/gfxImageFrame.cpp => modules/libpr0n/src/imgFrame.cpp
rename : gfx/src/shared/gfxImageFrame.h => modules/libpr0n/src/imgFrame.h
2009-07-20 18:50:15 -07:00
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LOOP_OVER_OBSERVERS(OnDataAvailable(aRequest, aCurrentFrame, aRect));
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2007-03-22 10:30:00 -07:00
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return NS_OK;
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}
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NS_IMETHODIMP
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nsImageLoadingContent::OnStopFrame(imgIRequest* aRequest,
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Bug 753 - Remove nsIImage, gfxIImageFrame, and their implementations, and expose an equivalent api on imgIContainer. r=roc,josh,bz,longsonr,vlad,karlt,jimm,bsmedberg,mfinkle,peterw,peterv sr=vlad,roc
--HG--
rename : gfx/src/shared/gfxImageFrame.cpp => modules/libpr0n/src/imgFrame.cpp
rename : gfx/src/shared/gfxImageFrame.h => modules/libpr0n/src/imgFrame.h
2009-07-20 18:50:15 -07:00
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PRUint32 aFrame)
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2007-03-22 10:30:00 -07:00
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{
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2009-09-12 15:44:18 -07:00
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// If we're blocking a load, one frame is enough
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if (aRequest == mCurrentRequest)
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SetBlockingOnload(PR_FALSE);
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2007-03-22 10:30:00 -07:00
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LOOP_OVER_OBSERVERS(OnStopFrame(aRequest, aFrame));
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return NS_OK;
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}
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NS_IMETHODIMP
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nsImageLoadingContent::OnStopContainer(imgIRequest* aRequest,
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imgIContainer* aContainer)
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{
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2009-09-12 15:44:18 -07:00
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// This is really hacky. We need to handle the case where we start decoding,
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// block onload, but then hit an error before we get to our first frame. In
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// theory we would just hook in at OnStopDecode, but OnStopDecode is broken
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// until we fix bug 505385. OnStopContainer is actually going away at that
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// point. So for now we take advantage of the fact that OnStopContainer is
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// always fired in the decoders at the same time as OnStopDecode.
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if (aRequest == mCurrentRequest)
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SetBlockingOnload(PR_FALSE);
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2007-03-22 10:30:00 -07:00
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LOOP_OVER_OBSERVERS(OnStopContainer(aRequest, aContainer));
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return NS_OK;
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}
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NS_IMETHODIMP
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nsImageLoadingContent::OnStopDecode(imgIRequest* aRequest,
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nsresult aStatus,
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const PRUnichar* aStatusArg)
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{
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2009-09-12 15:44:18 -07:00
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// We should definitely have a request here
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NS_ABORT_IF_FALSE(aRequest, "no request?");
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2007-03-22 10:30:00 -07:00
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NS_PRECONDITION(aRequest == mCurrentRequest || aRequest == mPendingRequest,
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"Unknown request");
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LOOP_OVER_OBSERVERS(OnStopDecode(aRequest, aStatus, aStatusArg));
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if (aRequest == mPendingRequest) {
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2009-09-12 15:44:18 -07:00
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// If we were blocking for the soon-to-be-obsolete request, stop doing so
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SetBlockingOnload(PR_FALSE);
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// The new image is decoded - switch to it
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// XXXbholley - This is technically not true pre bug 505385, but I don't
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// think it's a big enough issue to worry about handling in the mean time
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2007-03-22 10:30:00 -07:00
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mCurrentRequest->Cancel(NS_ERROR_IMAGE_SRC_CHANGED);
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mPendingRequest.swap(mCurrentRequest);
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mPendingRequest = nsnull;
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}
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2009-09-12 15:44:18 -07:00
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// XXXbholley - When we fix bug 505385, this should go in OnStopRequest.
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//
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// We just loaded all the data we're going to get. If we haven't done an
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// initial paint, we want to make sure the image starts decoding for 2
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// reasons:
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//
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// 1) This image is sitting idle but might need to be decoded as soon as we
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// start painting, in which case we've wasted time.
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//
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// 2) We want to block onload until all visible images are decoded. We do this
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// by blocking onload until all in progress decodes get at least one frame
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// decoded. However, if all the data comes in while painting is suppressed
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// (ie, before the initial paint delay is finished), we fire onload without
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// doing a paint first. This means that decode-on-draw images don't start
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// decoding, so we can't wait for them to finish. See bug 512435.
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// We can only do this if we have a presshell
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2009-09-16 12:01:18 -07:00
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nsIDocument* doc = GetOurDocument();
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nsIPresShell* shell = doc ? doc->GetPrimaryShell() : nsnull;
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2009-09-12 15:44:18 -07:00
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if (shell) {
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// We need to figure out whether to kick off decoding
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PRBool doRequestDecode = PR_FALSE;
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// If we haven't got the initial reflow yet, IsPaintingSuppressed actually
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// returns false
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if (!shell->DidInitialReflow())
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doRequestDecode = PR_TRUE;
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// Figure out if painting is suppressed. Note that it's possible for painting
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// to be suppressed for reasons other than the initial paint delay (for
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// example - being in the bfcache), but we probably aren't loading images in
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// those situations.
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|
PRBool isSuppressed = PR_FALSE;
|
|
|
|
nsresult rv = shell->IsPaintingSuppressed(&isSuppressed);
|
|
|
|
if (NS_SUCCEEDED(rv) && isSuppressed)
|
|
|
|
doRequestDecode = PR_TRUE;
|
|
|
|
|
|
|
|
// If we're requesting a decode, do it
|
|
|
|
if (doRequestDecode)
|
|
|
|
aRequest->RequestDecode();
|
|
|
|
}
|
|
|
|
|
2007-03-22 10:30:00 -07:00
|
|
|
// XXXldb What's the difference between when OnStopDecode and OnStopRequest
|
|
|
|
// fire? Should we do this work there instead? Should they just be the
|
|
|
|
// same?
|
|
|
|
|
|
|
|
if (NS_SUCCEEDED(aStatus)) {
|
|
|
|
FireEvent(NS_LITERAL_STRING("load"));
|
|
|
|
} else {
|
|
|
|
FireEvent(NS_LITERAL_STRING("error"));
|
|
|
|
}
|
|
|
|
|
|
|
|
// Have to check for state changes here (for example, the new load could
|
|
|
|
// have resulted in a broken image). Note that we don't want to do this
|
|
|
|
// async, unlike the event, because while this is waiting to happen our
|
|
|
|
// state could change yet again, and then we'll get confused about our
|
|
|
|
// state.
|
|
|
|
UpdateImageState(PR_TRUE);
|
|
|
|
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsImageLoadingContent::OnStopRequest(imgIRequest* aRequest, PRBool aLastPart)
|
|
|
|
{
|
|
|
|
LOOP_OVER_OBSERVERS(OnStopRequest(aRequest, aLastPart));
|
|
|
|
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
2009-09-12 15:44:18 -07:00
|
|
|
NS_IMETHODIMP
|
|
|
|
nsImageLoadingContent::OnDiscard(imgIRequest *aRequest)
|
|
|
|
{
|
|
|
|
LOOP_OVER_OBSERVERS(OnDiscard(aRequest));
|
|
|
|
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
2007-03-22 10:30:00 -07:00
|
|
|
/*
|
|
|
|
* nsIImageLoadingContent impl
|
|
|
|
*/
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsImageLoadingContent::GetLoadingEnabled(PRBool *aLoadingEnabled)
|
|
|
|
{
|
|
|
|
*aLoadingEnabled = mLoadingEnabled;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsImageLoadingContent::SetLoadingEnabled(PRBool aLoadingEnabled)
|
|
|
|
{
|
|
|
|
if (nsContentUtils::GetImgLoader()) {
|
|
|
|
mLoadingEnabled = aLoadingEnabled;
|
|
|
|
}
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsImageLoadingContent::GetImageBlockingStatus(PRInt16* aStatus)
|
|
|
|
{
|
|
|
|
NS_PRECONDITION(aStatus, "Null out param");
|
|
|
|
*aStatus = mImageBlockingStatus;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsImageLoadingContent::AddObserver(imgIDecoderObserver* aObserver)
|
|
|
|
{
|
|
|
|
NS_ENSURE_ARG_POINTER(aObserver);
|
|
|
|
|
|
|
|
if (!mObserverList.mObserver) {
|
|
|
|
mObserverList.mObserver = aObserver;
|
|
|
|
// Don't touch the linking of the list!
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
// otherwise we have to create a new entry
|
|
|
|
|
|
|
|
ImageObserver* observer = &mObserverList;
|
|
|
|
while (observer->mNext) {
|
|
|
|
observer = observer->mNext;
|
|
|
|
}
|
|
|
|
|
|
|
|
observer->mNext = new ImageObserver(aObserver);
|
|
|
|
if (! observer->mNext) {
|
|
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
}
|
|
|
|
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsImageLoadingContent::RemoveObserver(imgIDecoderObserver* aObserver)
|
|
|
|
{
|
|
|
|
NS_ENSURE_ARG_POINTER(aObserver);
|
|
|
|
|
|
|
|
if (mObserverList.mObserver == aObserver) {
|
|
|
|
mObserverList.mObserver = nsnull;
|
|
|
|
// Don't touch the linking of the list!
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
// otherwise have to find it and splice it out
|
|
|
|
ImageObserver* observer = &mObserverList;
|
|
|
|
while (observer->mNext && observer->mNext->mObserver != aObserver) {
|
|
|
|
observer = observer->mNext;
|
|
|
|
}
|
|
|
|
|
|
|
|
// At this point, we are pointing to the list element whose mNext is
|
|
|
|
// the right observer (assuming of course that mNext is not null)
|
|
|
|
if (observer->mNext) {
|
|
|
|
// splice it out
|
|
|
|
ImageObserver* oldObserver = observer->mNext;
|
|
|
|
observer->mNext = oldObserver->mNext;
|
|
|
|
oldObserver->mNext = nsnull; // so we don't destroy them all
|
|
|
|
delete oldObserver;
|
|
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
|
|
else {
|
|
|
|
NS_WARNING("Asked to remove non-existent observer");
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsImageLoadingContent::GetRequest(PRInt32 aRequestType,
|
|
|
|
imgIRequest** aRequest)
|
|
|
|
{
|
|
|
|
switch(aRequestType) {
|
|
|
|
case CURRENT_REQUEST:
|
|
|
|
*aRequest = mCurrentRequest;
|
|
|
|
break;
|
|
|
|
case PENDING_REQUEST:
|
|
|
|
*aRequest = mPendingRequest;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
NS_ERROR("Unknown request type");
|
|
|
|
*aRequest = nsnull;
|
|
|
|
return NS_ERROR_UNEXPECTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IF_ADDREF(*aRequest);
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsImageLoadingContent::GetRequestType(imgIRequest* aRequest,
|
|
|
|
PRInt32* aRequestType)
|
|
|
|
{
|
|
|
|
NS_PRECONDITION(aRequestType, "Null out param");
|
|
|
|
|
|
|
|
if (aRequest == mCurrentRequest) {
|
|
|
|
*aRequestType = CURRENT_REQUEST;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (aRequest == mPendingRequest) {
|
|
|
|
*aRequestType = PENDING_REQUEST;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
*aRequestType = UNKNOWN_REQUEST;
|
|
|
|
NS_ERROR("Unknown request");
|
|
|
|
return NS_ERROR_UNEXPECTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsImageLoadingContent::GetCurrentURI(nsIURI** aURI)
|
|
|
|
{
|
|
|
|
if (mCurrentRequest) {
|
|
|
|
return mCurrentRequest->GetURI(aURI);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!mCurrentURI) {
|
|
|
|
*aURI = nsnull;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
return NS_EnsureSafeToReturn(mCurrentURI, aURI);
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsImageLoadingContent::LoadImageWithChannel(nsIChannel* aChannel,
|
|
|
|
nsIStreamListener** aListener)
|
|
|
|
{
|
|
|
|
NS_PRECONDITION(aListener, "null out param");
|
|
|
|
|
|
|
|
NS_ENSURE_ARG_POINTER(aChannel);
|
|
|
|
|
|
|
|
if (!nsContentUtils::GetImgLoader()) {
|
|
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
}
|
|
|
|
|
|
|
|
// XXX what should we do with content policies here, if anything?
|
|
|
|
// Shouldn't that be done before the start of the load?
|
|
|
|
// XXX what about shouldProcess?
|
|
|
|
|
|
|
|
nsCOMPtr<nsIDocument> doc = GetOurDocument();
|
|
|
|
if (!doc) {
|
|
|
|
// Don't bother
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Null out our mCurrentURI, in case we have no image requests right now.
|
|
|
|
mCurrentURI = nsnull;
|
|
|
|
|
|
|
|
CancelImageRequests(NS_ERROR_IMAGE_SRC_CHANGED, PR_FALSE,
|
|
|
|
nsIContentPolicy::ACCEPT);
|
|
|
|
|
|
|
|
nsCOMPtr<imgIRequest> & req = mCurrentRequest ? mPendingRequest : mCurrentRequest;
|
|
|
|
|
|
|
|
nsresult rv = nsContentUtils::GetImgLoader()->
|
|
|
|
LoadImageWithChannel(aChannel, this, doc, aListener, getter_AddRefs(req));
|
|
|
|
|
|
|
|
// Make sure our state is up to date
|
|
|
|
UpdateImageState(PR_TRUE);
|
|
|
|
|
|
|
|
return rv;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP nsImageLoadingContent::ForceReload()
|
|
|
|
{
|
|
|
|
nsCOMPtr<nsIURI> currentURI;
|
|
|
|
GetCurrentURI(getter_AddRefs(currentURI));
|
|
|
|
if (!currentURI) {
|
|
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
|
|
}
|
|
|
|
|
|
|
|
return LoadImage(currentURI, PR_TRUE, PR_TRUE, nsnull, nsIRequest::VALIDATE_ALWAYS);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Non-interface methods
|
|
|
|
*/
|
|
|
|
|
|
|
|
nsresult
|
|
|
|
nsImageLoadingContent::LoadImage(const nsAString& aNewURI,
|
|
|
|
PRBool aForce,
|
|
|
|
PRBool aNotify)
|
|
|
|
{
|
|
|
|
// First, get a document (needed for security checks and the like)
|
|
|
|
nsIDocument* doc = GetOurDocument();
|
|
|
|
if (!doc) {
|
|
|
|
// No reason to bother, I think...
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
nsCOMPtr<nsIURI> imageURI;
|
|
|
|
nsresult rv = StringToURI(aNewURI, doc, getter_AddRefs(imageURI));
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// XXXbiesi fire onerror if that failed?
|
|
|
|
|
2008-08-07 18:09:20 -07:00
|
|
|
PRBool equal;
|
|
|
|
|
|
|
|
if (aNewURI.IsEmpty() &&
|
|
|
|
doc->GetDocumentURI() &&
|
2008-08-08 08:40:19 -07:00
|
|
|
NS_SUCCEEDED(doc->GetDocumentURI()->Equals(imageURI, &equal)) &&
|
2008-08-07 18:09:20 -07:00
|
|
|
equal) {
|
|
|
|
|
|
|
|
// Loading an embedded img from the same URI as the document URI will not work
|
|
|
|
// as a resource cannot recursively embed itself. Attempting to do so generally
|
|
|
|
// results in having to pre-emptively close down an in-flight HTTP transaction
|
|
|
|
// and then incurring the significant cost of establishing a new TCP channel.
|
|
|
|
// This is generally triggered from <img src="">
|
|
|
|
// In light of that, just skip loading it..
|
2008-12-12 11:41:11 -08:00
|
|
|
// Do make sure to drop our existing image, if any
|
|
|
|
CancelImageRequests(aNotify);
|
2008-08-07 18:09:20 -07:00
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
2007-03-22 10:30:00 -07:00
|
|
|
NS_TryToSetImmutable(imageURI);
|
|
|
|
|
|
|
|
return LoadImage(imageURI, aForce, aNotify, doc);
|
|
|
|
}
|
|
|
|
|
|
|
|
nsresult
|
|
|
|
nsImageLoadingContent::LoadImage(nsIURI* aNewURI,
|
|
|
|
PRBool aForce,
|
|
|
|
PRBool aNotify,
|
|
|
|
nsIDocument* aDocument,
|
|
|
|
nsLoadFlags aLoadFlags)
|
|
|
|
{
|
|
|
|
if (!mLoadingEnabled) {
|
|
|
|
FireEvent(NS_LITERAL_STRING("error"));
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_ASSERTION(!aDocument || aDocument == GetOurDocument(),
|
|
|
|
"Bogus document passed in");
|
|
|
|
// First, get a document (needed for security checks and the like)
|
|
|
|
if (!aDocument) {
|
|
|
|
aDocument = GetOurDocument();
|
|
|
|
if (!aDocument) {
|
|
|
|
// No reason to bother, I think...
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
nsresult rv; // XXXbz Should failures in this method fire onerror?
|
|
|
|
|
|
|
|
// Skip the URI equality check if our current image was blocked. If
|
|
|
|
// that happened, we really do want to try loading again.
|
|
|
|
if (!aForce && NS_CP_ACCEPTED(mImageBlockingStatus)) {
|
|
|
|
nsCOMPtr<nsIURI> currentURI;
|
|
|
|
GetCurrentURI(getter_AddRefs(currentURI));
|
|
|
|
PRBool equal;
|
|
|
|
if (currentURI &&
|
|
|
|
NS_SUCCEEDED(currentURI->Equals(aNewURI, &equal)) &&
|
|
|
|
equal) {
|
|
|
|
// Nothing to do here.
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// From this point on, our state could change before return, so make
|
|
|
|
// sure to notify if it does.
|
|
|
|
AutoStateChanger changer(this, aNotify);
|
|
|
|
|
2007-07-03 11:45:39 -07:00
|
|
|
// Use the principal of aDocument to avoid having to QI |this| an extra time.
|
|
|
|
// It should be the same as the principal of this node in any case.
|
|
|
|
#ifdef DEBUG
|
|
|
|
nsCOMPtr<nsIContent> thisContent = do_QueryInterface(this);
|
|
|
|
NS_ASSERTION(thisContent &&
|
|
|
|
thisContent->NodePrincipal() == aDocument->NodePrincipal(),
|
|
|
|
"Principal mismatch?");
|
|
|
|
#endif
|
|
|
|
|
2007-03-22 10:30:00 -07:00
|
|
|
// If we'll be loading a new image, we want to cancel our existing
|
|
|
|
// requests; the question is what reason to pass in. If everything
|
|
|
|
// is going smoothly, that reason should be
|
|
|
|
// NS_ERROR_IMAGE_SRC_CHANGED so that our frame (if any) will know
|
|
|
|
// not to show the broken image icon. If the load is blocked by the
|
|
|
|
// content policy or security manager, we will want to cancel with
|
|
|
|
// the error code from those.
|
|
|
|
|
|
|
|
PRInt16 newImageStatus;
|
|
|
|
PRBool loadImage = nsContentUtils::CanLoadImage(aNewURI, this, aDocument,
|
2007-07-03 11:45:39 -07:00
|
|
|
aDocument->NodePrincipal(),
|
2007-03-22 10:30:00 -07:00
|
|
|
&newImageStatus);
|
|
|
|
NS_ASSERTION(loadImage || !NS_CP_ACCEPTED(newImageStatus),
|
|
|
|
"CanLoadImage lied");
|
|
|
|
|
|
|
|
nsresult cancelResult = loadImage ? NS_ERROR_IMAGE_SRC_CHANGED
|
|
|
|
: NS_ERROR_IMAGE_BLOCKED;
|
|
|
|
|
|
|
|
CancelImageRequests(cancelResult, PR_FALSE, newImageStatus);
|
|
|
|
|
|
|
|
// Remember the URL of this request, in case someone asks us for it later.
|
|
|
|
// But this only matters if we are affecting the current request. Need to do
|
|
|
|
// this after CancelImageRequests, since that affects the value of
|
|
|
|
// mCurrentRequest.
|
|
|
|
if (!mCurrentRequest) {
|
|
|
|
mCurrentURI = aNewURI;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!loadImage) {
|
|
|
|
// Don't actually load anything! This was blocked by CanLoadImage.
|
|
|
|
FireEvent(NS_LITERAL_STRING("error"));
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
nsCOMPtr<imgIRequest> & req = mCurrentRequest ? mPendingRequest : mCurrentRequest;
|
|
|
|
|
|
|
|
rv = nsContentUtils::LoadImage(aNewURI, aDocument,
|
2007-07-03 11:45:39 -07:00
|
|
|
aDocument->NodePrincipal(),
|
2007-03-22 10:30:00 -07:00
|
|
|
aDocument->GetDocumentURI(),
|
|
|
|
this, aLoadFlags,
|
|
|
|
getter_AddRefs(req));
|
|
|
|
if (NS_FAILED(rv)) {
|
|
|
|
FireEvent(NS_LITERAL_STRING("error"));
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
// If we now have a current request, we don't need to store the URI, since
|
|
|
|
// we can get it off the request. Release it.
|
|
|
|
if (mCurrentRequest) {
|
|
|
|
mCurrentURI = nsnull;
|
|
|
|
}
|
|
|
|
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
2009-06-26 00:25:17 -07:00
|
|
|
nsresult
|
|
|
|
nsImageLoadingContent::ForceImageState(PRBool aForce, PRInt32 aState)
|
|
|
|
{
|
|
|
|
mIsImageStateForced = aForce;
|
|
|
|
mForcedImageState = aState;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
2007-03-22 10:30:00 -07:00
|
|
|
PRInt32
|
|
|
|
nsImageLoadingContent::ImageState() const
|
|
|
|
{
|
2009-06-26 00:25:17 -07:00
|
|
|
return mIsImageStateForced ? mForcedImageState :
|
2007-03-22 10:30:00 -07:00
|
|
|
(mBroken * NS_EVENT_STATE_BROKEN) |
|
|
|
|
(mUserDisabled * NS_EVENT_STATE_USERDISABLED) |
|
|
|
|
(mSuppressed * NS_EVENT_STATE_SUPPRESSED) |
|
|
|
|
(mLoading * NS_EVENT_STATE_LOADING);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
nsImageLoadingContent::UpdateImageState(PRBool aNotify)
|
|
|
|
{
|
|
|
|
if (mStartingLoad) {
|
|
|
|
// Ignore this call; we'll update our state when the state changer is
|
|
|
|
// destroyed. Need this to work around the fact that some libpr0n stuff is
|
|
|
|
// actually sync and hence we can get OnStopDecode called while we're still
|
|
|
|
// under LoadImage, and OnStopDecode doesn't know anything about
|
|
|
|
// aNotify
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
nsCOMPtr<nsIContent> thisContent = do_QueryInterface(this);
|
|
|
|
if (!thisContent) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
PRInt32 oldState = ImageState();
|
|
|
|
|
|
|
|
mLoading = mBroken = mUserDisabled = mSuppressed = PR_FALSE;
|
|
|
|
|
|
|
|
// If we were blocked by server-based content policy, we claim to be
|
|
|
|
// suppressed. If we were blocked by type-based content policy, we claim to
|
|
|
|
// be user-disabled. Otherwise, claim to be broken.
|
|
|
|
if (mImageBlockingStatus == nsIContentPolicy::REJECT_SERVER) {
|
|
|
|
mSuppressed = PR_TRUE;
|
|
|
|
} else if (mImageBlockingStatus == nsIContentPolicy::REJECT_TYPE) {
|
|
|
|
mUserDisabled = PR_TRUE;
|
|
|
|
} else if (!mCurrentRequest) {
|
|
|
|
// No current request means error, since we weren't disabled or suppressed
|
|
|
|
mBroken = PR_TRUE;
|
|
|
|
} else {
|
|
|
|
PRUint32 currentLoadStatus;
|
|
|
|
nsresult rv = mCurrentRequest->GetImageStatus(¤tLoadStatus);
|
|
|
|
if (NS_FAILED(rv) || (currentLoadStatus & imgIRequest::STATUS_ERROR)) {
|
|
|
|
mBroken = PR_TRUE;
|
|
|
|
} else if (!(currentLoadStatus & imgIRequest::STATUS_SIZE_AVAILABLE)) {
|
|
|
|
mLoading = PR_TRUE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (aNotify) {
|
|
|
|
nsIDocument* doc = thisContent->GetCurrentDoc();
|
|
|
|
if (doc) {
|
|
|
|
NS_ASSERTION(thisContent->IsInDoc(), "Something is confused");
|
|
|
|
PRInt32 changedBits = oldState ^ ImageState();
|
|
|
|
if (changedBits) {
|
|
|
|
mozAutoDocUpdate upd(doc, UPDATE_CONTENT_STATE, PR_TRUE);
|
|
|
|
doc->ContentStatesChanged(thisContent, nsnull, changedBits);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
nsImageLoadingContent::CancelImageRequests(PRBool aNotify)
|
|
|
|
{
|
|
|
|
// Make sure to null out mCurrentURI here, so we no longer look like an image
|
2008-12-12 11:41:11 -08:00
|
|
|
AutoStateChanger changer(this, aNotify);
|
2007-03-22 10:30:00 -07:00
|
|
|
mCurrentURI = nsnull;
|
|
|
|
CancelImageRequests(NS_BINDING_ABORTED, PR_TRUE, nsIContentPolicy::ACCEPT);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
nsImageLoadingContent::CancelImageRequests(nsresult aReason,
|
|
|
|
PRBool aEvenIfSizeAvailable,
|
|
|
|
PRInt16 aNewImageStatus)
|
|
|
|
{
|
|
|
|
// Cancel the pending request, if any
|
|
|
|
if (mPendingRequest) {
|
|
|
|
mPendingRequest->Cancel(aReason);
|
|
|
|
mPendingRequest = nsnull;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Cancel the current request if it has not progressed enough to
|
|
|
|
// have a size yet
|
|
|
|
if (mCurrentRequest) {
|
|
|
|
PRUint32 loadStatus = imgIRequest::STATUS_ERROR;
|
|
|
|
mCurrentRequest->GetImageStatus(&loadStatus);
|
|
|
|
|
|
|
|
NS_ASSERTION(NS_CP_ACCEPTED(mImageBlockingStatus),
|
|
|
|
"Have current request but blocked image?");
|
|
|
|
|
|
|
|
if (aEvenIfSizeAvailable ||
|
|
|
|
!(loadStatus & imgIRequest::STATUS_SIZE_AVAILABLE)) {
|
|
|
|
// The new image is going to become the current request. Make sure to
|
|
|
|
// set mImageBlockingStatus _before_ we cancel the request... if we set
|
|
|
|
// it after, things that are watching the mCurrentRequest will get wrong
|
|
|
|
// data.
|
2009-09-12 15:44:18 -07:00
|
|
|
|
|
|
|
// If we were blocking onload for this image, stop doing so
|
|
|
|
SetBlockingOnload(PR_FALSE);
|
|
|
|
|
|
|
|
// Get rid of it
|
2007-03-22 10:30:00 -07:00
|
|
|
mImageBlockingStatus = aNewImageStatus;
|
|
|
|
mCurrentRequest->Cancel(aReason);
|
|
|
|
mCurrentRequest = nsnull;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
// No current request so the new image status will become the
|
|
|
|
// status of the current request
|
|
|
|
mImageBlockingStatus = aNewImageStatus;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Note that the only way we could have avoided setting the image blocking
|
|
|
|
// status above is if we have a current request and have kept it as the
|
|
|
|
// current request. In that case, we want to leave our old status, since the
|
|
|
|
// status corresponds to the current request. Even if we plan to do a
|
|
|
|
// pending request load, having an mCurrentRequest means that our current
|
|
|
|
// status is not a REJECT_* status, and doing the load shouldn't change that.
|
|
|
|
// XXXbz there is an issue here if different ACCEPT statuses are used, but...
|
|
|
|
}
|
|
|
|
|
|
|
|
nsresult
|
|
|
|
nsImageLoadingContent::UseAsPrimaryRequest(imgIRequest* aRequest,
|
|
|
|
PRBool aNotify)
|
|
|
|
{
|
|
|
|
// Use an AutoStateChanger so that the clone call won't
|
|
|
|
// automatically notify from inside OnStopDecode.
|
2008-12-12 11:41:11 -08:00
|
|
|
// Also, make sure to use the CancelImageRequests which doesn't
|
|
|
|
// notify, so that the changer is handling the notifications.
|
2007-03-22 10:30:00 -07:00
|
|
|
NS_PRECONDITION(aRequest, "Must have a request here!");
|
|
|
|
AutoStateChanger changer(this, aNotify);
|
|
|
|
mCurrentURI = nsnull;
|
|
|
|
CancelImageRequests(NS_BINDING_ABORTED, PR_TRUE, nsIContentPolicy::ACCEPT);
|
|
|
|
|
|
|
|
NS_ASSERTION(!mCurrentRequest, "We should not have a current request now");
|
|
|
|
|
|
|
|
return aRequest->Clone(this, getter_AddRefs(mCurrentRequest));
|
|
|
|
}
|
|
|
|
|
|
|
|
nsIDocument*
|
|
|
|
nsImageLoadingContent::GetOurDocument()
|
|
|
|
{
|
|
|
|
nsCOMPtr<nsIContent> thisContent = do_QueryInterface(this);
|
|
|
|
NS_ENSURE_TRUE(thisContent, nsnull);
|
|
|
|
|
|
|
|
return thisContent->GetOwnerDoc();
|
|
|
|
}
|
|
|
|
|
|
|
|
nsresult
|
|
|
|
nsImageLoadingContent::StringToURI(const nsAString& aSpec,
|
|
|
|
nsIDocument* aDocument,
|
|
|
|
nsIURI** aURI)
|
|
|
|
{
|
|
|
|
NS_PRECONDITION(aDocument, "Must have a document");
|
|
|
|
NS_PRECONDITION(aURI, "Null out param");
|
|
|
|
|
|
|
|
// (1) Get the base URI
|
|
|
|
nsCOMPtr<nsIContent> thisContent = do_QueryInterface(this);
|
|
|
|
NS_ASSERTION(thisContent, "An image loading content must be an nsIContent");
|
|
|
|
nsCOMPtr<nsIURI> baseURL = thisContent->GetBaseURI();
|
|
|
|
|
|
|
|
// (2) Get the charset
|
|
|
|
const nsAFlatCString &charset = aDocument->GetDocumentCharacterSet();
|
|
|
|
|
|
|
|
// (3) Construct the silly thing
|
|
|
|
return NS_NewURI(aURI,
|
|
|
|
aSpec,
|
|
|
|
charset.IsEmpty() ? nsnull : charset.get(),
|
|
|
|
baseURL,
|
|
|
|
nsContentUtils::GetIOService());
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Class used to dispatch events
|
|
|
|
*/
|
|
|
|
|
|
|
|
class nsImageLoadingContent::Event : public nsRunnable
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
Event(nsPresContext* aPresContext, nsImageLoadingContent* aContent,
|
|
|
|
const nsAString& aMessage, nsIDocument* aDocument)
|
|
|
|
: mPresContext(aPresContext),
|
|
|
|
mContent(aContent),
|
|
|
|
mMessage(aMessage),
|
|
|
|
mDocument(aDocument)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
~Event()
|
|
|
|
{
|
|
|
|
mDocument->UnblockOnload(PR_TRUE);
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHOD Run();
|
|
|
|
|
|
|
|
nsCOMPtr<nsPresContext> mPresContext;
|
|
|
|
nsRefPtr<nsImageLoadingContent> mContent;
|
|
|
|
nsString mMessage;
|
|
|
|
// Need to hold on to the document in case our event outlives document
|
|
|
|
// teardown... Wantto be able to get back to the document even if the
|
|
|
|
// prescontext and content can't.
|
|
|
|
nsCOMPtr<nsIDocument> mDocument;
|
|
|
|
};
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsImageLoadingContent::Event::Run()
|
|
|
|
{
|
|
|
|
PRUint32 eventMsg;
|
|
|
|
|
|
|
|
if (mMessage.EqualsLiteral("load")) {
|
|
|
|
eventMsg = NS_LOAD;
|
|
|
|
} else {
|
|
|
|
eventMsg = NS_LOAD_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
nsCOMPtr<nsIContent> ourContent = do_QueryInterface(mContent);
|
|
|
|
|
|
|
|
nsEvent event(PR_TRUE, eventMsg);
|
|
|
|
event.flags |= NS_EVENT_FLAG_CANT_BUBBLE;
|
|
|
|
nsEventDispatcher::Dispatch(ourContent, mPresContext, &event);
|
|
|
|
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
nsresult
|
|
|
|
nsImageLoadingContent::FireEvent(const nsAString& aEventType)
|
|
|
|
{
|
|
|
|
// We have to fire the event asynchronously so that we won't go into infinite
|
|
|
|
// loops in cases when onLoad handlers reset the src and the new src is in
|
|
|
|
// cache.
|
|
|
|
|
|
|
|
nsCOMPtr<nsIDocument> document = GetOurDocument();
|
|
|
|
if (!document) {
|
|
|
|
// no use to fire events if there is no document....
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
// We should not be getting called from off the UI thread...
|
|
|
|
NS_ASSERTION(NS_IsMainThread(), "should be on the main thread");
|
|
|
|
|
2007-05-01 15:24:20 -07:00
|
|
|
nsIPresShell *shell = document->GetPrimaryShell();
|
2007-03-22 10:30:00 -07:00
|
|
|
nsPresContext *presContext = shell ? shell->GetPresContext() : nsnull;
|
|
|
|
|
|
|
|
nsCOMPtr<nsIRunnable> evt =
|
|
|
|
new nsImageLoadingContent::Event(presContext, this, aEventType, document);
|
|
|
|
NS_ENSURE_TRUE(evt, NS_ERROR_OUT_OF_MEMORY);
|
|
|
|
|
|
|
|
// Block onload for our event. Since we unblock in the event destructor, we
|
|
|
|
// want to block now, even if posting will fail.
|
|
|
|
document->BlockOnload();
|
|
|
|
|
|
|
|
return NS_DispatchToCurrentThread(evt);
|
|
|
|
}
|
|
|
|
|
2009-09-12 15:44:18 -07:00
|
|
|
void
|
|
|
|
nsImageLoadingContent::SetBlockingOnload(PRBool aBlocking)
|
|
|
|
{
|
|
|
|
// If we're already in the desired state, we have nothing to do
|
|
|
|
if (mBlockingOnload == aBlocking)
|
|
|
|
return;
|
|
|
|
|
|
|
|
// Get the document
|
|
|
|
nsIDocument* doc = GetOurDocument();
|
|
|
|
|
|
|
|
if (doc) {
|
|
|
|
// Take the appropriate action
|
|
|
|
if (aBlocking)
|
|
|
|
doc->BlockOnload();
|
|
|
|
else
|
|
|
|
doc->UnblockOnload(PR_FALSE);
|
|
|
|
|
|
|
|
// Update our state
|
|
|
|
mBlockingOnload = aBlocking;
|
|
|
|
}
|
|
|
|
}
|