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/*
* 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 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 "DOMMimeTypeArray.h"
#include "DOMPluginArray.h"
#include "Document.h"
#include "Frame.h"
#include "FrameLoader.h"
#include "FrameLoaderClient.h"
#include "Geolocation.h"
#include "Language.h"
#include "Page.h"
#include "PluginData.h"
#include "ScriptController.h"
#include "SecurityOrigin.h"
#include "Settings.h"
#include "StorageNamespace.h"
#include <wtf/HashSet.h>
#include <wtf/NumberOfCores.h>
#include <wtf/StdLibExtras.h>
using namespace WTF;
namespace WebCore {
Navigator::Navigator(Frame* frame)
: DOMWindowProperty(frame)
{
}
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;
return frame->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());
}
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;
if (m_frame->page() && !m_frame->page()->settings().cookieEnabled())
return false;
return cookiesEnabled(m_frame->document());
}
bool Navigator::javaEnabled() const
{
if (!m_frame)
return false;
if (!m_frame->settings().isJavaEnabled())
return false;
if (m_frame->document()->securityOrigin()->isLocal() && !m_frame->settings().isJavaEnabledForLocalFiles())
return false;
return true;
}
#if defined(ENABLE_NAVIGATOR_HWCONCURRENCY)
int Navigator::hardwareConcurrency() const
{
// Enforce a maximum for the number of cores reported to mitigate
// fingerprinting for the minority of machines with large numbers of cores.
// If machines with more than 8 cores become commonplace, we should bump this number.
// see https://bugs.webkit.org/show_bug.cgi?id=132588 for the
// rationale behind this decision.
#if PLATFORM(IOS)
const int maxCoresToReport = 2;
#else
const int maxCoresToReport = 8;
#endif
int hardwareConcurrency = numberOfProcessorCores();
if (hardwareConcurrency > maxCoresToReport)
return maxCoresToReport;
return hardwareConcurrency;
}
#endif
#if PLATFORM(IOS)
bool Navigator::standalone() const
{
return m_frame && m_frame->settings().standalone();
}
#endif
void Navigator::getStorageUpdates()
{
// FIXME: Remove this method or rename to yieldForStorageUpdates.
}
} // namespace WebCore
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