| /* |
| 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/loader/resource/XSLStyleSheetResource.h" |
| |
| #include "core/loader/resource/StyleSheetResourceClient.h" |
| #include "platform/RuntimeEnabledFeatures.h" |
| #include "platform/SharedBuffer.h" |
| #include "platform/loader/fetch/FetchParameters.h" |
| #include "platform/loader/fetch/ResourceClientWalker.h" |
| #include "platform/loader/fetch/ResourceFetcher.h" |
| |
| namespace blink { |
| |
| static void ApplyXSLRequestProperties(FetchParameters& params) { |
| params.SetRequestContext(WebURLRequest::kRequestContextXSLT); |
| // 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, accept_xslt, |
| ("text/xml, application/xml, application/xhtml+xml, " |
| "text/xsl, application/rss+xml, application/atom+xml")); |
| params.MutableResourceRequest().SetHTTPAccept(accept_xslt); |
| } |
| |
| XSLStyleSheetResource* XSLStyleSheetResource::FetchSynchronously( |
| FetchParameters& params, |
| ResourceFetcher* fetcher) { |
| ApplyXSLRequestProperties(params); |
| params.MakeSynchronous(); |
| XSLStyleSheetResource* resource = ToXSLStyleSheetResource( |
| fetcher->RequestResource(params, XSLStyleSheetResourceFactory())); |
| if (resource && resource->Data()) |
| resource->sheet_ = resource->DecodedText(); |
| return resource; |
| } |
| |
| XSLStyleSheetResource* XSLStyleSheetResource::Fetch(FetchParameters& params, |
| ResourceFetcher* fetcher) { |
| DCHECK(RuntimeEnabledFeatures::XSLTEnabled()); |
| ApplyXSLRequestProperties(params); |
| return ToXSLStyleSheetResource( |
| fetcher->RequestResource(params, XSLStyleSheetResourceFactory())); |
| } |
| |
| XSLStyleSheetResource::XSLStyleSheetResource( |
| const ResourceRequest& resource_request, |
| const ResourceLoaderOptions& options, |
| const String& charset) |
| : StyleSheetResource(resource_request, |
| kXSLStyleSheet, |
| options, |
| "text/xsl", |
| charset) {} |
| |
| void XSLStyleSheetResource::DidAddClient(ResourceClient* c) { |
| DCHECK(StyleSheetResourceClient::IsExpectedType(c)); |
| Resource::DidAddClient(c); |
| if (!IsLoading()) { |
| static_cast<StyleSheetResourceClient*>(c)->SetXSLStyleSheet( |
| GetResourceRequest().Url(), GetResponse().Url(), sheet_); |
| } |
| } |
| |
| void XSLStyleSheetResource::CheckNotify() { |
| TriggerNotificationForFinishObservers(); |
| |
| if (Data()) |
| sheet_ = DecodedText(); |
| |
| ResourceClientWalker<StyleSheetResourceClient> w(Clients()); |
| while (StyleSheetResourceClient* c = w.Next()) { |
| MarkClientFinished(c); |
| c->SetXSLStyleSheet(GetResourceRequest().Url(), GetResponse().Url(), |
| sheet_); |
| } |
| } |
| |
| } // namespace blink |