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      1 /*
      2     Copyright (C) 1998 Lars Knoll (knoll (at) mpi-hd.mpg.de)
      3     Copyright (C) 2001 Dirk Mueller (mueller (at) kde.org)
      4     Copyright (C) 2002 Waldo Bastian (bastian (at) kde.org)
      5     Copyright (C) 2006 Samuel Weinig (sam.weinig (at) gmail.com)
      6     Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
      7 
      8     This library is free software; you can redistribute it and/or
      9     modify it under the terms of the GNU Library General Public
     10     License as published by the Free Software Foundation; either
     11     version 2 of the License, or (at your option) any later version.
     12 
     13     This library is distributed in the hope that it will be useful,
     14     but WITHOUT ANY WARRANTY; without even the implied warranty of
     15     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     16     Library General Public License for more details.
     17 
     18     You should have received a copy of the GNU Library General Public License
     19     along with this library; see the file COPYING.LIB.  If not, write to
     20     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     21     Boston, MA 02110-1301, USA.
     22 
     23     This class provides all functionality needed for loading images, style sheets and html
     24     pages from the web. It has a memory cache for these objects.
     25 */
     26 
     27 #include "config.h"
     28 #include "core/fetch/XSLStyleSheetResource.h"
     29 
     30 #include "core/fetch/ResourceClientWalker.h"
     31 #include "core/fetch/StyleSheetResourceClient.h"
     32 #include "platform/RuntimeEnabledFeatures.h"
     33 #include "platform/SharedBuffer.h"
     34 
     35 namespace blink {
     36 
     37 XSLStyleSheetResource::XSLStyleSheetResource(const ResourceRequest& resourceRequest, const String& charset)
     38     : StyleSheetResource(resourceRequest, XSLStyleSheet, "text/xsl", charset)
     39 {
     40     ASSERT(RuntimeEnabledFeatures::xsltEnabled());
     41     DEFINE_STATIC_LOCAL(const AtomicString, acceptXSLT, ("text/xml, application/xml, application/xhtml+xml, text/xsl, application/rss+xml, application/atom+xml", AtomicString::ConstructFromLiteral));
     42 
     43     // It's XML we want.
     44     // FIXME: This should accept more general xml formats */*+xml, image/svg+xml for example.
     45     setAccept(acceptXSLT);
     46 }
     47 
     48 void XSLStyleSheetResource::didAddClient(ResourceClient* c)
     49 {
     50     ASSERT(c->resourceClientType() == StyleSheetResourceClient::expectedType());
     51     Resource::didAddClient(c);
     52     if (!isLoading())
     53         static_cast<StyleSheetResourceClient*>(c)->setXSLStyleSheet(m_resourceRequest.url(), m_response.url(), m_sheet);
     54 }
     55 
     56 void XSLStyleSheetResource::checkNotify()
     57 {
     58     if (m_data.get())
     59         m_sheet = decodedText();
     60 
     61     ResourceClientWalker<StyleSheetResourceClient> w(m_clients);
     62     while (StyleSheetResourceClient* c = w.next())
     63         c->setXSLStyleSheet(m_resourceRequest.url(), m_response.url(), m_sheet);
     64 }
     65 
     66 } // namespace blink
     67