| /* |
| Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de) |
| Copyright (C) 2001 Dirk Mueller (mueller@kde.org) |
| Copyright (C) 2002 Waldo Bastian (bastian@kde.org) |
| Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) |
| Copyright (C) 2004, 2005, 2006, 2007, 2008 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. |
| |
| This class provides all functionality needed for loading images, style |
| sheets and html pages from the web. It has a memory cache for these objects. |
| */ |
| |
| #include "core/fetch/XSLStyleSheetResource.h" |
| |
| #include "core/fetch/FetchRequest.h" |
| #include "core/fetch/ResourceClientWalker.h" |
| #include "core/fetch/ResourceFetcher.h" |
| #include "core/fetch/StyleSheetResourceClient.h" |
| #include "platform/RuntimeEnabledFeatures.h" |
| #include "platform/SharedBuffer.h" |
| |
| namespace blink { |
| |
| static void applyXSLRequestProperties(ResourceRequest& request) { |
| request.setRequestContext(WebURLRequest::RequestContextXSLT); |
| // TODO(japhet): Accept: headers can be set manually on XHRs from script, in |
| // the browser process, and... here. The browser process can't tell the |
| // difference between an XSL stylesheet and a CSS stylesheet, so it assumes |
| // stylesheets are all CSS unless they already have an Accept: header set. |
| // Should we teach the browser process the difference? |
| DEFINE_STATIC_LOCAL(const AtomicString, acceptXSLT, |
| ("text/xml, application/xml, application/xhtml+xml, " |
| "text/xsl, application/rss+xml, application/atom+xml")); |
| request.setHTTPAccept(acceptXSLT); |
| } |
| |
| XSLStyleSheetResource* XSLStyleSheetResource::fetchSynchronously( |
| FetchRequest& request, |
| ResourceFetcher* fetcher) { |
| applyXSLRequestProperties(request.mutableResourceRequest()); |
| request.makeSynchronous(); |
| XSLStyleSheetResource* resource = toXSLStyleSheetResource( |
| fetcher->requestResource(request, XSLStyleSheetResourceFactory())); |
| if (resource && resource->data()) |
| resource->m_sheet = resource->decodedText(); |
| return resource; |
| } |
| |
| XSLStyleSheetResource* XSLStyleSheetResource::fetch(FetchRequest& request, |
| ResourceFetcher* fetcher) { |
| DCHECK(RuntimeEnabledFeatures::xsltEnabled()); |
| applyXSLRequestProperties(request.mutableResourceRequest()); |
| return toXSLStyleSheetResource( |
| fetcher->requestResource(request, XSLStyleSheetResourceFactory())); |
| } |
| |
| XSLStyleSheetResource::XSLStyleSheetResource( |
| const ResourceRequest& resourceRequest, |
| const ResourceLoaderOptions& options, |
| const String& charset) |
| : StyleSheetResource(resourceRequest, |
| XSLStyleSheet, |
| options, |
| "text/xsl", |
| charset) {} |
| |
| void XSLStyleSheetResource::didAddClient(ResourceClient* c) { |
| DCHECK(StyleSheetResourceClient::isExpectedType(c)); |
| Resource::didAddClient(c); |
| if (!isLoading()) { |
| static_cast<StyleSheetResourceClient*>(c)->setXSLStyleSheet( |
| resourceRequest().url(), response().url(), m_sheet); |
| } |
| } |
| |
| void XSLStyleSheetResource::checkNotify() { |
| if (data()) |
| m_sheet = decodedText(); |
| |
| ResourceClientWalker<StyleSheetResourceClient> w(clients()); |
| while (StyleSheetResourceClient* c = w.next()) { |
| markClientFinished(c); |
| c->setXSLStyleSheet(resourceRequest().url(), response().url(), m_sheet); |
| } |
| } |
| |
| } // namespace blink |