1/* 2 Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de) 3 Copyright (C) 2001 Dirk Mueller (mueller@kde.org) 4 Copyright (C) 2002 Waldo Bastian (bastian@kde.org) 5 Copyright (C) 2006 Samuel Weinig (sam.weinig@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 "CachedXSLStyleSheet.h" 29 30#include "CachedResourceClient.h" 31#include "CachedResourceClientWalker.h" 32#include "SharedBuffer.h" 33#include "TextResourceDecoder.h" 34#include <wtf/Vector.h> 35 36namespace WebCore { 37 38#if ENABLE(XSLT) 39 40CachedXSLStyleSheet::CachedXSLStyleSheet(const String &url) 41 : CachedResource(url, XSLStyleSheet) 42 , m_decoder(TextResourceDecoder::create("text/xsl")) 43{ 44 // It's XML we want. 45 // FIXME: This should accept more general xml formats */*+xml, image/svg+xml for example. 46 setAccept("text/xml, application/xml, application/xhtml+xml, text/xsl, application/rss+xml, application/atom+xml"); 47} 48 49void CachedXSLStyleSheet::didAddClient(CachedResourceClient* c) 50{ 51 if (!isLoading()) 52 c->setXSLStyleSheet(m_url, m_response.url(), m_sheet); 53} 54 55void CachedXSLStyleSheet::setEncoding(const String& chs) 56{ 57 m_decoder->setEncoding(chs, TextResourceDecoder::EncodingFromHTTPHeader); 58} 59 60String CachedXSLStyleSheet::encoding() const 61{ 62 return m_decoder->encoding().name(); 63} 64 65void CachedXSLStyleSheet::data(PassRefPtr<SharedBuffer> data, bool allDataReceived) 66{ 67 if (!allDataReceived) 68 return; 69 70 m_data = data; 71 setEncodedSize(m_data.get() ? m_data->size() : 0); 72 if (m_data.get()) { 73 m_sheet = String(m_decoder->decode(m_data->data(), encodedSize())); 74 m_sheet += m_decoder->flush(); 75 } 76 setLoading(false); 77 checkNotify(); 78} 79 80void CachedXSLStyleSheet::checkNotify() 81{ 82 if (isLoading()) 83 return; 84 85 CachedResourceClientWalker w(m_clients); 86 while (CachedResourceClient *c = w.next()) 87 c->setXSLStyleSheet(m_url, m_response.url(), m_sheet); 88} 89 90void CachedXSLStyleSheet::error(CachedResource::Status status) 91{ 92 setStatus(status); 93 ASSERT(errorOccurred()); 94 setLoading(false); 95 checkNotify(); 96} 97 98#endif 99 100} 101