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 "CachedXSLStyleSheet.h" 29 30 #include "CachedResourceClient.h" 31 #include "CachedResourceClientWalker.h" 32 #include "TextResourceDecoder.h" 33 #include <wtf/Vector.h> 34 35 namespace WebCore { 36 37 #if ENABLE(XSLT) 38 39 CachedXSLStyleSheet::CachedXSLStyleSheet(const String &url) 40 : CachedResource(url, XSLStyleSheet) 41 , m_decoder(TextResourceDecoder::create("text/xsl")) 42 { 43 // It's XML we want. 44 // FIXME: This should accept more general xml formats */*+xml, image/svg+xml for example. 45 setAccept("text/xml, application/xml, application/xhtml+xml, text/xsl, application/rss+xml, application/atom+xml"); 46 } 47 48 void CachedXSLStyleSheet::didAddClient(CachedResourceClient* c) 49 { 50 if (!m_loading) 51 c->setXSLStyleSheet(m_url, m_response.url(), m_sheet); 52 } 53 54 void CachedXSLStyleSheet::setEncoding(const String& chs) 55 { 56 m_decoder->setEncoding(chs, TextResourceDecoder::EncodingFromHTTPHeader); 57 } 58 59 String CachedXSLStyleSheet::encoding() const 60 { 61 return m_decoder->encoding().name(); 62 } 63 64 void CachedXSLStyleSheet::data(PassRefPtr<SharedBuffer> data, bool allDataReceived) 65 { 66 if (!allDataReceived) 67 return; 68 69 m_data = data; 70 setEncodedSize(m_data.get() ? m_data->size() : 0); 71 if (m_data.get()) { 72 m_sheet = String(m_decoder->decode(m_data->data(), encodedSize())); 73 m_sheet += m_decoder->flush(); 74 } 75 m_loading = false; 76 checkNotify(); 77 } 78 79 void CachedXSLStyleSheet::checkNotify() 80 { 81 if (m_loading) 82 return; 83 84 CachedResourceClientWalker w(m_clients); 85 while (CachedResourceClient *c = w.next()) 86 c->setXSLStyleSheet(m_url, m_response.url(), m_sheet); 87 } 88 89 void CachedXSLStyleSheet::error() 90 { 91 m_loading = false; 92 m_errorOccurred = true; 93 checkNotify(); 94 } 95 96 #endif 97 98 } 99