2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * Copyright (C) 2004, 2005, 2006, 2007, 2010 Apple Inc. All rights reserved.
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
23 #include "core/html/HTMLImageLoader.h"
25 #include "core/HTMLNames.h"
26 #include "core/dom/Element.h"
27 #include "core/events/Event.h"
28 #include "core/fetch/ImageResource.h"
29 #include "core/html/HTMLImageElement.h"
30 #include "core/html/HTMLObjectElement.h"
31 #include "core/html/parser/HTMLParserIdioms.h"
32 #include "platform/Logging.h"
36 HTMLImageLoader::HTMLImageLoader(Element* node)
41 HTMLImageLoader::~HTMLImageLoader()
45 void HTMLImageLoader::dispatchLoadEvent()
47 WTF_LOG(Timers, "HTMLImageLoader::dispatchLoadEvent %p", this);
49 // HTMLVideoElement uses this class to load the poster image, but it should not fire events for loading or failure.
50 if (isHTMLVideoElement(*element()))
53 bool errorOccurred = image()->errorOccurred();
54 if (isHTMLObjectElement(*element()) && !errorOccurred)
55 errorOccurred = (image()->response().httpStatusCode() >= 400); // An <object> considers a 404 to be an error and should fire onerror.
56 element()->dispatchEvent(Event::create(errorOccurred ? EventTypeNames::error : EventTypeNames::load));
59 String HTMLImageLoader::sourceURI(const AtomicString& attr) const
61 return stripLeadingAndTrailingHTMLSpaces(attr);
64 void HTMLImageLoader::notifyFinished(Resource*)
66 ImageResource* cachedImage = image();
68 RefPtrWillBeRawPtr<Element> element = this->element();
69 ImageLoader::notifyFinished(cachedImage);
71 bool loadError = cachedImage->errorOccurred() || cachedImage->response().httpStatusCode() >= 400;
73 if (loadError && isHTMLObjectElement(*element))
74 toHTMLObjectElement(element)->renderFallbackContent();