/*

 *  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 "Navigator.h"

#include "CookieJar.h"

#include "Frame.h"

#include "FrameLoader.h"

#include "FrameLoaderClient.h"

#include "Geolocation.h"

#include "Language.h"

#include "MimeTypeArray.h"

#include "Page.h"

#include "PageGroup.h"

#include "PlatformString.h"

#include "PluginArray.h"

#include "PluginData.h"

#include "ScriptController.h"

#include "Settings.h"

#include "StorageNamespace.h"

namespace WebCore {

Navigator::Navigator(Frame* frame)

    : m_frame(frame)

{

}

Navigator::~Navigator()

{

    disconnectFrame();

}

void Navigator::disconnectFrame()

{

    if (m_plugins) {

        m_plugins->disconnectFrame();

        m_plugins = 0;

    }

    if (m_mimeTypes) {

        m_mimeTypes->disconnectFrame();

        m_mimeTypes = 0;

    }

    if (m_geolocation) {

        m_geolocation->disconnectFrame();

        m_geolocation = 0;

    }

    m_frame = 0;

}

// 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 = NavigatorBase::appVersion();

    if (shouldHideFourDot(m_frame))

        appVersion.replace("4.", "4_");

    return appVersion;

}

String Navigator::language() const

{

    return defaultLanguage();

}

String Navigator::userAgent() const

{

    if (!m_frame)

        return String();

    // If the frame is already detached, FrameLoader::userAgent may malfunction, because it calls a client method

    // that uses frame's WebView (at least, in Mac WebKit).

    if (!m_frame->page())

        return String();

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

}

PluginArray* Navigator::plugins() const

{

    if (!m_plugins)

        m_plugins = PluginArray::create(m_frame);

    return m_plugins.get();

}

MimeTypeArray* Navigator::mimeTypes() const

{

    if (!m_mimeTypes)

        m_mimeTypes = MimeTypeArray::create(m_frame);

    return m_mimeTypes.get();

}

bool Navigator::cookieEnabled() const

{

    if (!m_frame)

        return false;

    if (m_frame->page() && !m_frame->page()->cookieEnabled())

        return false;

    return cookiesEnabled(m_frame->document());

}

bool Navigator::javaEnabled() const

{

    if (!m_frame || !m_frame->settings())

        return false;

    return m_frame->settings()->isJavaEnabled();

}

Geolocation* Navigator::geolocation() const

{

    if (!m_geolocation)

        m_geolocation = Geolocation::create(m_frame);

    return m_geolocation.get();

}

#if ENABLE(DOM_STORAGE)

void Navigator::getStorageUpdates()

{

    if (!m_frame)

        return;

    Page* page = m_frame->page();

    if (!page)

        return;

    StorageNamespace* localStorage = page->group().localStorage();

    if (localStorage)

        localStorage->unlock();

}

#endif

} // namespace WebCore