Home | History | Annotate | Download | only in cache 
      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/loader/cache/XSLStyleSheetResource.h"
     29 
     30 #include "core/loader/TextResourceDecoder.h"
     31 #include "core/loader/cache/ResourceClientWalker.h"
     32 #include "core/loader/cache/StyleSheetResourceClient.h"
     33 #include "core/platform/SharedBuffer.h"
     34 #include "wtf/Vector.h"
     35 
     36 namespace WebCore {
     37 
     38 XSLStyleSheetResource::XSLStyleSheetResource(const ResourceRequest& resourceRequest)
     39     : Resource(resourceRequest, XSLStyleSheet)
     40     , m_decoder(TextResourceDecoder::create("text/xsl"))
     41 {
     42     DEFINE_STATIC_LOCAL(const AtomicString, acceptXSLT, ("text/xml, application/xml, application/xhtml+xml, text/xsl, application/rss+xml, application/atom+xml", AtomicString::ConstructFromLiteral));
     43 
     44     // It's XML we want.
     45     // FIXME: This should accept more general xml formats */*+xml, image/svg+xml for example.
     46     setAccept(acceptXSLT);
     47 }
     48 
     49 void XSLStyleSheetResource::didAddClient(ResourceClient* c)
     50 {
     51     ASSERT(c->resourceClientType() == StyleSheetResourceClient::expectedType());
     52     if (!isLoading())
     53         static_cast<StyleSheetResourceClient*>(c)->setXSLStyleSheet(m_resourceRequest.url(), m_response.url(), m_sheet);
     54 }
     55 
     56 void XSLStyleSheetResource::setEncoding(const String& chs)
     57 {
     58     m_decoder->setEncoding(chs, TextResourceDecoder::EncodingFromHTTPHeader);
     59 }
     60 
     61 String XSLStyleSheetResource::encoding() const
     62 {
     63     return m_decoder->encoding().name();
     64 }
     65 
     66 void XSLStyleSheetResource::checkNotify()
     67 {
     68     if (m_data.get()) {
     69         m_sheet = m_decoder->decode(m_data->data(), encodedSize());
     70         m_sheet.append(m_decoder->flush());
     71     }
     72 
     73     ResourceClientWalker<StyleSheetResourceClient> w(m_clients);
     74     while (StyleSheetResourceClient* c = w.next())
     75         c->setXSLStyleSheet(m_resourceRequest.url(), m_response.url(), m_sheet);
     76 }
     77 
     78 } // namespace WebCore
     79