diff -r 000000000000 -r 4f2f89ce4247 WebCore/page/Navigator.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/page/Navigator.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,173 @@
+/*
+ *  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 "Chrome.h"
+#include "CookieJar.h"
+#include "DOMMimeTypeArray.h"
+#include "DOMPluginArray.h"
+#include "Frame.h"
+#include "FrameLoader.h"
+#include "FrameLoaderClient.h"
+#include "Geolocation.h"
+#include "Language.h"
+#include "Page.h"
+#include "PageGroup.h"
+#include "PlatformString.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());
+}
+
+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()->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