/*
 *  Copyright (C) 2000 Harri Porten (porten@kde.org)
 *  Copyright (c) 2000 Daniel Molkentin (molkentin@kde.org)
 *  Copyright (c) 2000 Stefan Schimanski (schimmi@kde.org)
 *  Copyright (C) 2003, 2004, 2005, 2006 Apple Computer, Inc.
 *  Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
 *
 *  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 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include "config.h"
#include "core/frame/Navigator.h"

#include "bindings/v8/ScriptController.h"
#include "core/dom/Document.h"
#include "core/frame/NavigatorID.h"
#include "core/loader/CookieJar.h"
#include "core/loader/FrameLoader.h"
#include "core/frame/Frame.h"
#include "core/frame/Settings.h"
#include "core/plugins/DOMMimeTypeArray.h"
#include "core/plugins/DOMPluginArray.h"
#include "platform/Language.h"

#ifndef WEBCORE_NAVIGATOR_PRODUCT_SUB
#define WEBCORE_NAVIGATOR_PRODUCT_SUB "20030107"
#endif // ifndef WEBCORE_NAVIGATOR_PRODUCT_SUB

#ifndef WEBCORE_NAVIGATOR_VENDOR
#define WEBCORE_NAVIGATOR_VENDOR "Google Inc."
#endif // ifndef WEBCORE_NAVIGATOR_VENDOR

#ifndef WEBCORE_NAVIGATOR_VENDOR_SUB
#define WEBCORE_NAVIGATOR_VENDOR_SUB ""
#endif // ifndef WEBCORE_NAVIGATOR_VENDOR_SUB

namespace WebCore {

Navigator::Navigator(Frame* frame)
    : DOMWindowProperty(frame)
{
    ScriptWrappable::init(this);
}

Navigator::~Navigator()
{
}

// If this function returns true, we need to hide the substring "4." that would otherwise
// appear in the appVersion string. This is to avoid problems with old versions of a
// library called OpenCube QuickMenu, which as of this writing is still being used on
// sites such as nwa.com -- the library thinks Safari is Netscape 4 if we don't do this!
static bool shouldHideFourDot(Frame* frame)
{
    const String* sourceURL = frame->script().sourceURL();
    if (!sourceURL)
        return false;
    if (!(sourceURL->endsWith("/dqm_script.js") || sourceURL->endsWith("/dqm_loader.js") || sourceURL->endsWith("/tdqm_loader.js")))
        return false;
    Settings* settings = frame->settings();
    if (!settings)
        return false;
    return settings->needsSiteSpecificQuirks();
}

String Navigator::appVersion() const
{
    if (!m_frame)
        return String();
    String appVersion = NavigatorID::appVersion(this);
    if (shouldHideFourDot(m_frame))
        appVersion.replace("4.", "4_");
    return appVersion;
}

String Navigator::language() const
{
    return defaultLanguage();
}

String Navigator::productSub() const
{
    return WEBCORE_NAVIGATOR_PRODUCT_SUB;
}

String Navigator::vendor() const
{
    return WEBCORE_NAVIGATOR_VENDOR;
}

String Navigator::vendorSub() const
{
    return WEBCORE_NAVIGATOR_VENDOR_SUB;
}

String Navigator::userAgent() const
{
    // If the frame is already detached it no longer has a meaningful useragent.
    if (!m_frame || !m_frame->page())
        return String();

    return m_frame->loader().userAgent(m_frame->document()->url());
}

DOMPluginArray* Navigator::plugins() const
{
    if (!m_plugins)
        m_plugins = DOMPluginArray::create(m_frame);
    return m_plugins.get();
}

DOMMimeTypeArray* Navigator::mimeTypes() const
{
    if (!m_mimeTypes)
        m_mimeTypes = DOMMimeTypeArray::create(m_frame);
    return m_mimeTypes.get();
}

bool Navigator::cookieEnabled() const
{
    if (!m_frame)
        return false;

    Settings* settings = m_frame->settings();
    if (!settings || !settings->cookieEnabled())
        return false;

    return cookiesEnabled(m_frame->document());
}

bool Navigator::javaEnabled() const
{
    if (!m_frame || !m_frame->settings())
        return false;

    if (!m_frame->settings()->javaEnabled())
        return false;

    return true;
}

void Navigator::getStorageUpdates()
{
    // FIXME: Remove this method or rename to yieldForStorageUpdates.
}

} // namespace WebCore