1 /* 2 * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org) 3 * (C) 1999 Antti Koivisto (koivisto (at) kde.org) 4 * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. 5 * 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. 10 * 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. 15 * 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. 20 */ 21 22 #include "config.h" 23 #include "HTMLImageLoader.h" 24 25 #include "CSSHelper.h" 26 #include "CachedImage.h" 27 #include "Element.h" 28 #include "Event.h" 29 #include "EventNames.h" 30 #include "HTMLNames.h" 31 #include "HTMLObjectElement.h" 32 33 namespace WebCore { 34 35 HTMLImageLoader::HTMLImageLoader(Element* node) 36 : ImageLoader(node) 37 { 38 } 39 40 HTMLImageLoader::~HTMLImageLoader() 41 { 42 } 43 44 void HTMLImageLoader::dispatchLoadEvent() 45 { 46 bool errorOccurred = image()->errorOccurred(); 47 if (!errorOccurred && image()->httpStatusCodeErrorOccurred()) 48 errorOccurred = element()->hasTagName(HTMLNames::objectTag); // An <object> considers a 404 to be an error and should fire onerror. 49 element()->dispatchEvent(Event::create(errorOccurred ? eventNames().errorEvent : eventNames().loadEvent, false, false)); 50 } 51 52 String HTMLImageLoader::sourceURI(const AtomicString& attr) const 53 { 54 return deprecatedParseURL(attr); 55 } 56 57 void HTMLImageLoader::notifyFinished(CachedResource*) 58 { 59 CachedImage* cachedImage = image(); 60 61 Element* elem = element(); 62 ImageLoader::notifyFinished(cachedImage); 63 64 if ((cachedImage->errorOccurred() || cachedImage->httpStatusCodeErrorOccurred()) && elem->hasTagName(HTMLNames::objectTag)) 65 static_cast<HTMLObjectElement*>(elem)->renderFallbackContent(); 66 } 67 68 } 69