third_party/WebKit/Source/core/frame/Navigator.cpp

   1 /*
   2  *  Copyright (C) 2000 Harri Porten (porten@kde.org)
   3  *  Copyright (c) 2000 Daniel Molkentin (molkentin@kde.org)
   4  *  Copyright (c) 2000 Stefan Schimanski (schimmi@kde.org)
   5  *  Copyright (C) 2003, 2004, 2005, 2006 Apple Computer, Inc.
   6  *  Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
   7  *
   8  *  This library is free software; you can redistribute it and/or
   9  *  modify it under the terms of the GNU Lesser General Public
  10  *  License as published by the Free Software Foundation; either
  11  *  version 2 of the License, or (at your option) any later version.
  12  *
  13  *  This library is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  *  Lesser General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU Lesser General Public
  19  *  License along with this library; if not, write to the Free Software
  20  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  21  */
  22
  23 #include "config.h"
  24 #include "core/frame/Navigator.h"
  25
  26 #include "bindings/core/v8/ScriptController.h"
  27 #include "core/dom/Document.h"
  28 #include "core/frame/FrameHost.h"
  29 #include "core/frame/LocalFrame.h"
  30 #include "core/frame/NavigatorID.h"
  31 #include "core/frame/Settings.h"
  32 #include "core/loader/CookieJar.h"
  33 #include "core/loader/FrameLoader.h"
  34 #include "core/page/ChromeClient.h"
  35 #include "platform/Language.h"
  36
  37 namespace blink {
  38
  39 Navigator::Navigator(LocalFrame* frame)
  40     : DOMWindowProperty(frame)
  41 {
  42 }
  43
  44 Navigator::~Navigator()
  45 {
  46 }
  47
  48 String Navigator::productSub() const
  49 {
  50     return "20030107";
  51 }
  52
  53 String Navigator::vendor() const
  54 {
  55     // Do not change without good cause. History:
  56     // https://code.google.com/p/chromium/issues/detail?id=276813
  57     // https://www.w3.org/Bugs/Public/show_bug.cgi?id=27786
  58     // https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/QrgyulnqvmE
  59     return "Google Inc.";
  60 }
  61
  62 String Navigator::vendorSub() const
  63 {
  64     return "";
  65 }
  66
  67 String Navigator::userAgent() const
  68 {
  69     // If the frame is already detached it no longer has a meaningful useragent.
  70     if (!m_frame || !m_frame->page())
  71         return String();
  72
  73     return m_frame->loader().userAgent(m_frame->document()->url());
  74 }
  75
  76 bool Navigator::cookieEnabled() const
  77 {
  78     if (!m_frame)
  79         return false;
  80
  81     Settings* settings = m_frame->settings();
  82     if (!settings || !settings->cookieEnabled())
  83         return false;
  84
  85     return cookiesEnabled(m_frame->document());
  86 }
  87
  88 void Navigator::getStorageUpdates()
  89 {
  90     // FIXME: Remove this method or rename to yieldForStorageUpdates.
  91 }
  92
  93 Vector<String> Navigator::languages()
  94 {
  95     Vector<String> languages;
  96
  97     if (!m_frame || !m_frame->host()) {
  98         languages.append(defaultLanguage());
  99         return languages;
 100     }
 101
 102     String acceptLanguages = m_frame->host()->chromeClient().acceptLanguages();
 103     acceptLanguages.split(',', languages);
 104
 105     // Sanitizing tokens. We could do that more extensively but we should assume
 106     // that the accept languages are already sane and support BCP47. It is
 107     // likely a waste of time to make sure the tokens matches that spec here.
 108     for (size_t i = 0; i < languages.size(); ++i) {
 109         String& token = languages[i];
 110         token = token.stripWhiteSpace();
 111         if (token.length() >= 3 && token[2] == '_')
 112             token.replace(2, 1, "-");
 113     }
 114
 115     return languages;
 116 }
 117
 118 DEFINE_TRACE(Navigator)
 119 {
 120     HeapSupplementable<Navigator>::trace(visitor);
 121     DOMWindowProperty::trace(visitor);
 122 }
 123
 124 } // namespace blink