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/Chrome.h"
35#include "core/page/ChromeClient.h"
36#include "core/plugins/DOMMimeTypeArray.h"
37#include "core/plugins/DOMPluginArray.h"
38#include "platform/Language.h"
39
40#ifndef WEBCORE_NAVIGATOR_PRODUCT_SUB
41#define WEBCORE_NAVIGATOR_PRODUCT_SUB "20030107"
42#endif // ifndef WEBCORE_NAVIGATOR_PRODUCT_SUB
43
44#ifndef WEBCORE_NAVIGATOR_VENDOR
45#define WEBCORE_NAVIGATOR_VENDOR "Google Inc."
46#endif // ifndef WEBCORE_NAVIGATOR_VENDOR
47
48#ifndef WEBCORE_NAVIGATOR_VENDOR_SUB
49#define WEBCORE_NAVIGATOR_VENDOR_SUB ""
50#endif // ifndef WEBCORE_NAVIGATOR_VENDOR_SUB
51
52namespace blink {
53
54Navigator::Navigator(LocalFrame* frame)
55    : DOMWindowProperty(frame)
56{
57}
58
59Navigator::~Navigator()
60{
61}
62
63String Navigator::productSub() const
64{
65    return WEBCORE_NAVIGATOR_PRODUCT_SUB;
66}
67
68String Navigator::vendor() const
69{
70    return WEBCORE_NAVIGATOR_VENDOR;
71}
72
73String Navigator::vendorSub() const
74{
75    return WEBCORE_NAVIGATOR_VENDOR_SUB;
76}
77
78String Navigator::userAgent() const
79{
80    // If the frame is already detached it no longer has a meaningful useragent.
81    if (!m_frame || !m_frame->page())
82        return String();
83
84    return m_frame->loader().userAgent(m_frame->document()->url());
85}
86
87DOMPluginArray* Navigator::plugins() const
88{
89    if (!m_plugins)
90        m_plugins = DOMPluginArray::create(m_frame);
91    return m_plugins.get();
92}
93
94DOMMimeTypeArray* Navigator::mimeTypes() const
95{
96    if (!m_mimeTypes)
97        m_mimeTypes = DOMMimeTypeArray::create(m_frame);
98    return m_mimeTypes.get();
99}
100
101bool Navigator::cookieEnabled() const
102{
103    if (!m_frame)
104        return false;
105
106    Settings* settings = m_frame->settings();
107    if (!settings || !settings->cookieEnabled())
108        return false;
109
110    return cookiesEnabled(m_frame->document());
111}
112
113bool Navigator::javaEnabled() const
114{
115    if (!m_frame || !m_frame->settings())
116        return false;
117
118    if (!m_frame->settings()->javaEnabled())
119        return false;
120
121    return true;
122}
123
124void Navigator::getStorageUpdates()
125{
126    // FIXME: Remove this method or rename to yieldForStorageUpdates.
127}
128
129Vector<String> Navigator::languages()
130{
131    Vector<String> languages;
132
133    if (!m_frame || !m_frame->host()) {
134        languages.append(defaultLanguage());
135        return languages;
136    }
137
138    String acceptLanguages = m_frame->host()->chrome().client().acceptLanguages();
139    acceptLanguages.split(',', languages);
140
141    // Sanitizing tokens. We could do that more extensively but we should assume
142    // that the accept languages are already sane and support BCP47. It is
143    // likely a waste of time to make sure the tokens matches that spec here.
144    for (size_t i = 0; i < languages.size(); ++i) {
145        String& token = languages[i];
146        token = token.stripWhiteSpace();
147        if (token.length() >= 3 && token[2] == '_')
148            token.replace(2, 1, "-");
149    }
150
151    return languages;
152}
153
154void Navigator::trace(Visitor* visitor)
155{
156#if ENABLE(OILPAN)
157    visitor->trace(m_plugins);
158    visitor->trace(m_mimeTypes);
159    HeapSupplementable<Navigator>::trace(visitor);
160#endif
161    DOMWindowProperty::trace(visitor);
162}
163
164} // namespace blink
165