/**
 * This file is part of the DOM implementation for KDE.
 *
 * (C) 1999 Lars Knoll (knoll@kde.org)
 *
 * 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.
 *
 * $Id$
 */
// --------------------------------------------------------------------------
#include <dcopclient.h>
#include <kapp.h>
#include <kdebug.h>

#include "html_document.h"

#include "dom_node.h"
#include "dom_element.h"
#include "dom_doc.h"
#include "dom_string.h"
#include "dom_textimpl.h"
#include "html_misc.h"
#include "html_element.h"
#include "html_documentimpl.h"
#include "html_elementimpl.h"
#include "html_miscimpl.h"
#include "htmlhashes.h"
#include "khtmlview.h"
using namespace DOM;


HTMLDocument::HTMLDocument() : Document(false) // create the impl here
{
    impl = new HTMLDocumentImpl();
    impl->ref();

}

HTMLDocument::HTMLDocument(KHTMLView *parent)
    : Document(false) // create the impl here
{
    impl = new HTMLDocumentImpl( parent);
    impl->ref();

}

HTMLDocument::HTMLDocument(const HTMLDocument &other) : Document(other)
{
}

HTMLDocument::HTMLDocument(HTMLDocumentImpl *impl) : Document(impl)
{
}

HTMLDocument &HTMLDocument::operator = (const Node &other)
{
    if(other.nodeType() != DOCUMENT_NODE)
    {
	impl = 0;
	return *this;
    }
    Document d;
    d = other;
    if(!d.isHTMLDocument())
	impl = 0;
    else
	Node::operator =(other);
    return *this;
}

HTMLDocument &HTMLDocument::operator = (const HTMLDocument &other)
{
    Document::operator =(other);
    return *this;
}

HTMLDocument::~HTMLDocument()
{
}

DOMString HTMLDocument::title() const
{
    if(!impl) return 0;

    NodeImpl *e = static_cast<HTMLDocumentImpl *>(impl)->findElement(ID_TITLE);
    if(!e) return 0;

    NodeImpl *t = e->firstChild();
    if(!t) return 0;

    return static_cast<TextImpl *>(t)->data();
}

void HTMLDocument::setTitle( const DOMString &/*value*/ )
{
    // ###
}

DOMString HTMLDocument::referrer() const
{
    if(!impl) return 0;
    return ((HTMLDocumentImpl *)impl)->referrer();
}

DOMString HTMLDocument::domain() const
{
    if(!impl) return 0;
    return ((HTMLDocumentImpl *)impl)->domain();
}

DOMString HTMLDocument::URL() const
{
    if(!impl) return 0;
    return ((HTMLDocumentImpl *)impl)->URL();
}

HTMLElement HTMLDocument::body() const
{
    if(!impl) return 0;
    return ((HTMLDocumentImpl *)impl)->body();
}

void HTMLDocument::setBody(const HTMLElement &_body)
{
    if (!impl) return;
    ((HTMLDocumentImpl *)impl)->setBody(_body);
    return;
}

HTMLCollection HTMLDocument::images() const
{
    if(!impl) return HTMLCollection();
    return HTMLCollection(impl, HTMLCollectionImpl::DOC_IMAGES);
}

HTMLCollection HTMLDocument::applets() const
{
    if(!impl) return HTMLCollection();
    return HTMLCollection(impl, HTMLCollectionImpl::DOC_APPLETS);
}

HTMLCollection HTMLDocument::links() const
{
    if(!impl) return HTMLCollection();
    return HTMLCollection(impl, HTMLCollectionImpl::DOC_LINKS);
}

HTMLCollection HTMLDocument::forms() const
{
    if(!impl) return HTMLCollection();
    return HTMLCollection(impl, HTMLCollectionImpl::DOC_FORMS);
}

HTMLCollection HTMLDocument::anchors() const
{
    if(!impl) return HTMLCollection();
    return HTMLCollection(impl, HTMLCollectionImpl::DOC_ANCHORS);
}

HTMLCollection HTMLDocument::all() const
{
    if(!impl) return HTMLCollection();
    return HTMLCollection(impl, HTMLCollectionImpl::DOC_ALL);
}

DOMString HTMLDocument::cookie() const
{
    QCString replyType;
    QByteArray params, reply;
    QDataStream stream(params, IO_WriteOnly);
    stream << URL().string();
    if (!kapp->dcopClient()->call("kcookiejar", "kcookiejar",
				  "findDOMCookies(QString)", params, replyType, reply)) {
	 kdWarning(6010) << "Can't communicate with cookiejar!" << endl;
	 return 0;
    }

    QDataStream stream2(reply, IO_ReadOnly);
    if(replyType != "QString") {
	 kdError(6010) << "DCOP function findDOMCookies(...) returns "
		       << replyType << ", expected QString" << endl;
	 return 0;
    }

    QString result;
    stream2 >> result;
    return DOMString(result);
}

void HTMLDocument::setCookie( const DOMString & value )
{
    long windowId = view()->winId();
    QByteArray params;
    QDataStream stream(params, IO_WriteOnly);
    QString fake_header("Set-Cookie: ");
    fake_header.append(value.string());
    fake_header.append("\n");
    stream << URL().string() << fake_header.utf8() << windowId;
    if (!kapp->dcopClient()->send("kcookiejar", "kcookiejar",
				  "addCookies(QString, QCString, long)", params))
    {
	 kdWarning(6010) << "Can't communicate with cookiejar!" << endl;
    }
}

void HTMLDocument::open(  )
{
    if(impl)
        ((HTMLDocumentImpl *)impl)->open(  );
}

void HTMLDocument::close(  )
{
    if(impl)
        ((HTMLDocumentImpl *)impl)->close(  );
}

void HTMLDocument::write( const DOMString &text )
{
    if(impl)
        ((HTMLDocumentImpl *)impl)->write( text );
}

void HTMLDocument::write( const QString &text )
{
    if(impl)
        ((HTMLDocumentImpl *)impl)->write( text );
}

void HTMLDocument::writeln( const DOMString &text )
{
    if(impl)
        ((HTMLDocumentImpl *)impl)->writeln( text );
}

Element HTMLDocument::getElementById( const DOMString &elementId )
{
    if(!impl) return 0;
    return ((HTMLDocumentImpl *)impl)->getElementById( elementId );
}

NodeList HTMLDocument::getElementsByName( const DOMString &elementName )
{
    if(!impl) return 0;
    return ((HTMLDocumentImpl *)impl)->getElementsByName( elementName );
}