WebCore/loader/CachedXBLDocument.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/loader/CachedXBLDocument.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,110 @@
+/*
+    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 "config.h"
+
+#if ENABLE(XBL)
+
+#include "CachedXBLDocument.h"
+
+#include "CachedResourceClientWalker.h"
+#include "TextResourceDecoder.h"
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+CachedXBLDocument::CachedXBLDocument(const String &url)
+: CachedResource(url, XBL), m_document(0)
+{
+    // It's XML we want.
+    setAccept("text/xml, application/xml, application/xhtml+xml, text/xsl, application/rss+xml, application/atom+xml");
+
+    m_decoder = new TextResourceDecoder("application/xml");
+}
+
+CachedXBLDocument::~CachedXBLDocument()
+{
+    if (m_document)
+        m_document->deref();
+}
+
+void CachedXBLDocument::ref(CachedResourceClient *c)
+{
+    CachedResource::ref(c);
+    if (!m_loading)
+        c->setXBLDocument(m_url, m_document);
+}
+
+void CachedXBLDocument::setEncoding(const String& chs)
+{
+    m_decoder->setEncoding(chs, TextResourceDecoder::EncodingFromHTTPHeader);
+}
+
+String CachedXBLDocument::encoding() const
+{
+    return m_decoder->encoding().name();
+}
+
+void CachedXBLDocument::data(Vector<char>& data, bool )
+{
+    if (!allDataReceived)
+        return;
+    
+    ASSERT(!m_document);
+    
+    m_document = new XBL::XBLDocument();
+    m_document->ref();
+    m_document->open();
+    
+    m_document->write(m_decoder->decode(data.data(), data.size()));
+    setSize(data.size());
+    
+    m_document->finishParsing();
+    m_document->close();
+    m_loading = false;
+    checkNotify();
+}
+
+void CachedXBLDocument::checkNotify()
+{
+    if (m_loading)
+        return;
+    
+    CachedResourceClientWalker w(m_clients);
+    while (CachedResourceClient *c = w.next())
+        c->setXBLDocument(m_url, m_document);
+}
+
+void CachedXBLDocument::error()
+{
+    m_loading = false;
+    m_errorOccurred = true;
+    checkNotify();
+}
+
+}
+
+#endif