/*

  Copyright (C) 2007 Staikos Computing Services Inc.  <info@staikos.net>

  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 tracking global history.

*/

#include "qwebhistoryinterface.h"

#include <QCoreApplication>

#include "DeprecatedString.h"

namespace WebCore {

bool historyContains(const DeprecatedString& s)

{

    if (!QWebHistoryInterface::defaultInterface())

        return false;

    return QWebHistoryInterface::defaultInterface()->historyContains(QString(s));

}

} // namespace WebCore

static QWebHistoryInterface *default_interface;

static bool gRoutineAdded;

static void gCleanupInterface()

{

    delete default_interface;

    default_interface = 0;

}

/*!

  Sets a new default interface that will be used by all of WebKit

  for managing history.

*/

void QWebHistoryInterface::setDefaultInterface(QWebHistoryInterface *defaultInterface)

{

    if (default_interface == defaultInterface)

        return;

    if (default_interface)

        delete default_interface;

    default_interface = defaultInterface;

    if (!gRoutineAdded) {

        qAddPostRoutine(gCleanupInterface);

        gRoutineAdded = true;

    }

}

/*!

  Returns the default interface that will be used by WebKit. If no

  default interface has been set, QtWebkit will not track history.

*/

QWebHistoryInterface *QWebHistoryInterface::defaultInterface()

{

    return default_interface;

}

QWebHistoryInterface::QWebHistoryInterface(QObject *parent) : QObject(parent)

{

}

QWebHistoryInterface::~QWebHistoryInterface()

{

}