| /* |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * (C) 1999 Antti Koivisto (koivisto@kde.org) |
| * Copyright (C) 2004, 2005, 2006, 2007, 2010 Apple Inc. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #include "config.h" |
| #include "core/html/HTMLImageLoader.h" |
| |
| #include "core/HTMLNames.h" |
| #include "core/dom/Element.h" |
| #include "core/events/Event.h" |
| #include "core/fetch/ImageResource.h" |
| #include "core/html/HTMLImageElement.h" |
| #include "core/html/HTMLObjectElement.h" |
| #include "core/html/parser/HTMLParserIdioms.h" |
| |
| namespace WebCore { |
| |
| HTMLImageLoader::HTMLImageLoader(Element* node) |
| : ImageLoader(node) |
| { |
| } |
| |
| HTMLImageLoader::~HTMLImageLoader() |
| { |
| } |
| |
| void HTMLImageLoader::dispatchLoadEvent() |
| { |
| // HTMLVideoElement uses this class to load the poster image, but it should not fire events for loading or failure. |
| if (isHTMLVideoElement(*element())) |
| return; |
| |
| bool errorOccurred = image()->errorOccurred(); |
| if (isHTMLObjectElement(*element()) && !errorOccurred) |
| errorOccurred = (image()->response().httpStatusCode() >= 400); // An <object> considers a 404 to be an error and should fire onerror. |
| element()->dispatchEvent(Event::create(errorOccurred ? EventTypeNames::error : EventTypeNames::load)); |
| } |
| |
| String HTMLImageLoader::sourceURI(const AtomicString& attr) const |
| { |
| return stripLeadingAndTrailingHTMLSpaces(attr); |
| } |
| |
| void HTMLImageLoader::notifyFinished(Resource*) |
| { |
| ImageResource* cachedImage = image(); |
| |
| RefPtrWillBeRawPtr<Element> element = this->element(); |
| ImageLoader::notifyFinished(cachedImage); |
| |
| bool loadError = cachedImage->errorOccurred() || cachedImage->response().httpStatusCode() >= 400; |
| |
| if (loadError && isHTMLObjectElement(*element)) |
| toHTMLObjectElement(element)->renderFallbackContent(); |
| } |
| |
| } |