html_documentimpl.cpp

khtml在gtk上的移植版本

/**
 * This file is part of the DOM implementation for KDE.
 *
 * Copyright (C) 1999 Lars Knoll ([e-mail])
 *           (C) 1999 Antti Koivisto ([e-mail])
 * Copyright (C) 2003 Apple Computer, Inc.
 *
 * 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., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * Portions are Copyright (C) 2002 Netscape Communications Corporation.
 * Other contributors: David Baron <[e-mail]>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Alternatively, the document type parsing portions of this file may be used
 * under the terms of either the Mozilla Public License Version 1.1, found at
 * http://www.mozilla.org/MPL/ (the "MPL") or the GNU General Public
 * License Version 2.0, found at http://www.fsf.org/copyleft/gpl.html
 * (the "GPL"), in which case the provisions of the MPL or the GPL are
 * applicable instead of those above.  If you wish to allow use of your
 * version of this file only under the terms of one of those two
 * licenses (the MPL or the GPL) and not to allow others to use your
 * version of this file under the LGPL, indicate your decision by
 * deleting the provisions above and replace them with the notice and
 * other provisions required by the MPL or the GPL, as the case may be.
 * If you do not delete the provisions above, a recipient may use your
 * version of this file under any of the LGPL, the MPL or the GPL.
 */

#include "html/html_documentimpl.h"
#include "html/html_imageimpl.h"
#include "html/html_headimpl.h"
#include "html/html_baseimpl.h"
#include "html/htmltokenizer.h"
#include "html/html_miscimpl.h"
#include "html/html_imageimpl.h"
#include "html/html_formimpl.h"

#include "khtmlview.h"
#include "khtml_part.h"
#include "khtmlpart_p.h"
#include "khtml_settings.h"
#include "misc/htmlattrs.h"
#include "misc/htmlhashes.h"

#include "xml/xml_tokenizer.h"
#include "xml/dom2_eventsimpl.h"

#include "khtml_factory.h"
#include "rendering/render_object.h"
#include "dom/dom_exception.h"

#include <dcopclient.h>
#include <kapplication.h>
#include <kdebug.h>
#include <kurl.h>
#include <kglobal.h>
#include <kcharsets.h>
#include <kglobalsettings.h>

#include "css/cssproperties.h"
#include "css/cssstyleselector.h"
#include "css/css_stylesheetimpl.h"
#include <stdlib.h>
#include <qptrstack.h>

#if APPLE_CHANGES
#include "KWQKCookieJar.h"
#endif


// Turn off inlining to avoid warning with newer gcc.
#undef __inline
#define __inline
#include "doctypes.cpp"
#undef __inline


template class QPtrStack<DOM::NodeImpl>;

using namespace DOM;
using namespace khtml;


HTMLDocumentImpl::HTMLDocumentImpl(DOMImplementationImpl *_implementation, KHTMLView *v)
  : DocumentImpl(_implementation, v)
{
//    kdDebug( 6090 ) << "HTMLDocumentImpl constructor this = " << this << endl;
    bodyElement = 0;
    htmlElement = 0;

/* dynamic history stuff to be fixed later (pfeiffer)
    connect( KHTMLFactory::vLinks(), SIGNAL( inserted( const QString& )),
             SLOT( slotHistoryChanged() ));
    connect( KHTMLFactory::vLinks(), SIGNAL( removed( const QString& )),
             SLOT( slotHistoryChanged() ));
*/
    connect( KHTMLFactory::vLinks(), SIGNAL( cleared()),
             SLOT( slotHistoryChanged() ));
}

HTMLDocumentImpl::~HTMLDocumentImpl()
{
}

ElementImpl* HTMLDocumentImpl::documentElement() const
{
    return static_cast<ElementImpl*>(_first);
}

DOMString HTMLDocumentImpl::referrer() const
{
    if ( part() )
#if APPLE_CHANGES
        return KWQ(part())->incomingReferrer();
#else
        // This is broken; returns the referrer used for links within this page (basically
        // the same as the URL), not the referrer used for loading this page itself.
        return part()->referrer();
#endif
    return DOMString();
}

DOMString HTMLDocumentImpl::lastModified() const
{
    if ( part() )
        return part()->lastModified();
    return DOMString();
}

DOMString HTMLDocumentImpl::cookie() const
{
#if APPLE_CHANGES
    return KWQKCookieJar::cookie(URL());
#else
    long windowId = 0;
    KHTMLView *v = view ();
    
    if ( v && v->topLevelWidget() )
      windowId = v->topLevelWidget()->winId();

    QCString replyType;
    QByteArray params, reply;
    QDataStream stream(params, IO_WriteOnly);
    stream << URL() << windowId;
    if (!kapp->dcopClient()->call("kcookiejar", "kcookiejar",
                                  "findDOMCookies(QString, int)", params, 
                                  replyType, reply)) {
         // Maybe it wasn't running (e.g. we're opening local html files)
         KApplication::startServiceByDesktopName( "kcookiejar");
         if (!kapp->dcopClient()->call("kcookiejar", "kcookiejar",
                                       "findDOMCookies(QString)", params, replyType, reply)) {
           kdWarning(6010) << "Can't communicate with cookiejar!" << endl;
           return DOMString();
         }
    }

    QDataStream stream2(reply, IO_ReadOnly);
    if(replyType != "QString") {
         kdError(6010) << "DCOP function findDOMCookies(...) returns "
                       << replyType << ", expected QString" << endl;
         return DOMString();
    }

    QString result;
    stream2 >> result;
    return DOMString(result);
#endif // APPLE_CHANGES
}

void HTMLDocumentImpl::setCookie( const DOMString & value )
{
#if APPLE_CHANGES
    return KWQKCookieJar::setCookie(URL(), m_policyBaseURL.string(), value.string());
#else
    long windowId = 0;
    KHTMLView *v = view ();
    
    if ( v && v->topLevelWidget() )
      windowId = v->topLevelWidget()->winId();
     
    QByteArray params;
    QDataStream stream(params, IO_WriteOnly);
    QString fake_header("Set-Cookie: ");
    fake_header.append(value.string());
    fake_header.append("\n");
    stream << URL() << fake_header.utf8() << windowId;
    if (!kapp->dcopClient()->send("kcookiejar", "kcookiejar",
                                  "addCookies(QString,QCString,long int)", params))
    {
         // Maybe it wasn't running (e.g. we're opening local html files)
         KApplication::startServiceByDesktopName( "kcookiejar");
         if (!kapp->dcopClient()->send("kcookiejar", "kcookiejar",
                                       "addCookies(QString,QCString,long int)", params))
             kdWarning(6010) << "Can't communicate with cookiejar!" << endl;
    }
#endif
}

void HTMLDocumentImpl::setBody(HTMLElementImpl *_body, int &exceptioncode)
{
    HTMLElementImpl *b = body();
    if ( !_body ) { 
	exceptioncode = DOMException::HIERARCHY_REQUEST_ERR;
	return;
    }
    if ( !b )
        documentElement()->appendChild( _body, exceptioncode );
    else
        documentElement()->replaceChild( _body, b, exceptioncode );
}

Tokenizer *HTMLDocumentImpl::createTokenizer()
{
    return new HTMLTokenizer(docPtr(),m_view);
}

// --------------------------------------------------------------------------
// not part of the DOM
// --------------------------------------------------------------------------

bool HTMLDocumentImpl::childAllowed( NodeImpl *newChild )
{
    // ### support comments. etc as a child
    return (newChild->id() == ID_HTML || newChild->id() == ID_COMMENT);
}

ElementImpl *HTMLDocumentImpl::createElement( const DOMString &name, int &exceptioncode )
{
    return createHTMLElement(name, exceptioncode);
}

void HTMLDocumentImpl::slotHistoryChanged()
{
    if ( true || !m_render ) // disabled for now
        return;

    recalcStyle( Force );
    m_render->repaint();
}

void HTMLDocumentImpl::addNamedImageOrForm(const QString &name)
{
    if (name.length() == 0) {