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 

    29 #if ENABLE(XBL)

    30 

    31 #include "CachedXBLDocument.h"

    32 

    33 #include "CachedResourceClientWalker.h"

    34 #include "TextResourceDecoder.h"

    35 #include <wtf/Vector.h>

    36 

    37 namespace WebCore {

    38 

    39 CachedXBLDocument::CachedXBLDocument(const String &url)

    40 : CachedResource(url, XBL), m_document(0)

    41 {

    42     // It's XML we want.

    43     setAccept("text/xml, application/xml, application/xhtml+xml, text/xsl, application/rss+xml, application/atom+xml");

    44 

    45     m_decoder = new TextResourceDecoder("application/xml");

    46 }

    47 

    48 CachedXBLDocument::~CachedXBLDocument()

    49 {

    50     if (m_document)

    51         m_document->deref();

    52 }

    53 

    54 void CachedXBLDocument::ref(CachedResourceClient *c)

    55 {

    56     CachedResource::ref(c);

    57     if (!m_loading)

    58         c->setXBLDocument(m_url, m_document);

    59 }

    60 

    61 void CachedXBLDocument::setEncoding(const String& chs)

    62 {

    63     m_decoder->setEncoding(chs, TextResourceDecoder::EncodingFromHTTPHeader);

    64 }

    65 

    66 String CachedXBLDocument::encoding() const

    67 {

    68     return m_decoder->encoding().name();

    69 }

    70 

    71 void CachedXBLDocument::data(Vector<char>& data, bool )

    72 {

    73     if (!allDataReceived)

    74         return;

    75     

    76     ASSERT(!m_document);

    77     

    78     m_document = new XBL::XBLDocument();

    79     m_document->ref();

    80     m_document->open();

    81     

    82     m_document->write(m_decoder->decode(data.data(), data.size()));

    83     setSize(data.size());

    84     

    85     m_document->finishParsing();

    86     m_document->close();

    87     m_loading = false;

    88     checkNotify();

    89 }

    90 

    91 void CachedXBLDocument::checkNotify()

    92 {

    93     if (m_loading)

    94         return;

    95     

    96     CachedResourceClientWalker w(m_clients);

    97     while (CachedResourceClient *c = w.next())

    98         c->setXBLDocument(m_url, m_document);

    99 }

   100 

   101 void CachedXBLDocument::error()

   102 {

   103     m_loading = false;

   104     m_errorOccurred = true;

   105     checkNotify();

   106 }

   107 

   108 }

   109 

   110 #endif