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
36 namespace WebCore {
37
38 #if ENABLE(XSLT)
39
CachedXSLStyleSheet(const String & url)40 CachedXSLStyleSheet::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
didAddClient(CachedResourceClient * c)49 void CachedXSLStyleSheet::didAddClient(CachedResourceClient* c)
50 {
51 if (!isLoading())
52 c->setXSLStyleSheet(m_url, m_response.url(), m_sheet);
53 }
54
setEncoding(const String & chs)55 void CachedXSLStyleSheet::setEncoding(const String& chs)
56 {
57 m_decoder->setEncoding(chs, TextResourceDecoder::EncodingFromHTTPHeader);
58 }
59
encoding() const60 String CachedXSLStyleSheet::encoding() const
61 {
62 return m_decoder->encoding().name();
63 }
64
data(PassRefPtr<SharedBuffer> data,bool allDataReceived)65 void 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
checkNotify()80 void 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
error(CachedResource::Status status)90 void CachedXSLStyleSheet::error(CachedResource::Status status)
91 {
92 setStatus(status);
93 ASSERT(errorOccurred());
94 setLoading(false);
95 checkNotify();
96 }
97
98 #endif
99
100 }
101