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      1 /*
      2  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
      3  *
      4  * This library is free software; you can redistribute it and/or
      5  * modify it under the terms of the GNU Library General Public
      6  * License as published by the Free Software Foundation; either
      7  * version 2 of the License, or (at your option) any later version.
      8  *
      9  * This library is distributed in the hope that it will be useful,
     10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12  * Library General Public License for more details.
     13  *
     14  * You should have received a copy of the GNU Library General Public License
     15  * along with this library; see the file COPYING.LIB.  If not, write to
     16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     17  * Boston, MA 02110-1301, USA.
     18  *
     19  */
     20 
     21 #include "config.h"
     22 
     23 #if ENABLE(WML)
     24 #include "WMLImageLoader.h"
     25 
     26 #include "CachedImage.h"
     27 #include "HTMLNames.h"
     28 #include "HTMLParserIdioms.h"
     29 #include "WMLImageElement.h"
     30 #include "WMLNames.h"
     31 
     32 namespace WebCore {
     33 
     34 using namespace WMLNames;
     35 
     36 WMLImageLoader::WMLImageLoader(WMLImageElement* element)
     37     : ImageLoader(element)
     38 {
     39 }
     40 
     41 WMLImageLoader::~WMLImageLoader()
     42 {
     43 }
     44 
     45 void WMLImageLoader::dispatchLoadEvent()
     46 {
     47     // WML doesn't fire any events.
     48 }
     49 
     50 String WMLImageLoader::sourceURI(const AtomicString& attr) const
     51 {
     52     return KURL(element()->baseURI(), stripLeadingAndTrailingHTMLSpaces(attr));
     53 }
     54 
     55 void WMLImageLoader::notifyFinished(CachedResource* image)
     56 {
     57     ImageLoader::notifyFinished(image);
     58 
     59     if (!image->errorOccurred())
     60         return;
     61 
     62     WMLImageElement* imageElement = static_cast<WMLImageElement*>(element());
     63     ASSERT(imageElement);
     64 
     65     // Loading both 'localsrc' and 'src' failed. Ignore this image.
     66     if (imageElement->useFallbackAttribute())
     67         return;
     68 
     69     if (!imageElement->hasAttribute(localsrcAttr) && !imageElement->hasAttribute(HTMLNames::srcAttr))
     70         return;
     71 
     72     imageElement->setUseFallbackAttribute(true);
     73     updateFromElementIgnoringPreviousError();
     74 }
     75 
     76 }
     77 
     78 #endif
     79