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 "TextResourceDecoder.h"
33 #include <wtf/Vector.h>
34
35 namespace WebCore {
36
37 #if ENABLE(XSLT)
38
CachedXSLStyleSheet(const String & url)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
didAddClient(CachedResourceClient * c)48 void CachedXSLStyleSheet::didAddClient(CachedResourceClient* c)
49 {
50 if (!m_loading)
51 c->setXSLStyleSheet(m_url, m_sheet);
52 }
53
setEncoding(const String & chs)54 void CachedXSLStyleSheet::setEncoding(const String& chs)
55 {
56 m_decoder->setEncoding(chs, TextResourceDecoder::EncodingFromHTTPHeader);
57 }
58
encoding() const59 String CachedXSLStyleSheet::encoding() const
60 {
61 return m_decoder->encoding().name();
62 }
63
data(PassRefPtr<SharedBuffer> data,bool allDataReceived)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
checkNotify()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_sheet);
87 }
88
89
error()90 void CachedXSLStyleSheet::error()
91 {
92 m_loading = false;
93 m_errorOccurred = true;
94 checkNotify();
95 }
96
97 #endif
98
99 }
100