1/*
2 * Copyright (C) 2010, 2011 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "WebPreferencesStore.h"
28
29#include "FontSmoothingLevel.h"
30#include "WebCoreArgumentCoders.h"
31#include <WebCore/Settings.h>
32
33namespace WebKit {
34
35namespace WebPreferencesKey {
36
37#define DEFINE_KEY_GETTERS(KeyUpper, KeyLower, TypeName, Type, DefaultValue) \
38        const String& KeyLower##Key() \
39        { \
40            DEFINE_STATIC_LOCAL(String, key, (#KeyUpper)); \
41            return key; \
42        }
43
44    FOR_EACH_WEBKIT_PREFERENCE(DEFINE_KEY_GETTERS)
45
46#undef DEFINE_KEY_GETTERS
47
48} // namespace WebPreferencesKey
49
50
51static bool hasXSSAuditorEnabledTestRunnerOverride;
52static bool xssAuditorEnabledTestRunnerOverride;
53static bool hasAllowUniversalAccessFromFileURLsTestRunnerOverride;
54static bool allowUniversalAccessFromFileURLsTestRunnerOverride;
55static bool hasAllowFileAccessFromFileURLsTestRunnerOverride;
56static bool allowFileAccessFromFileURLsTestRunnerOverride;
57
58WebPreferencesStore::WebPreferencesStore()
59{
60}
61
62void WebPreferencesStore::encode(CoreIPC::ArgumentEncoder* encoder) const
63{
64    encoder->encode(CoreIPC::In(m_stringValues, m_boolValues, m_uint32Values, m_doubleValues));
65}
66
67bool WebPreferencesStore::decode(CoreIPC::ArgumentDecoder* decoder, WebPreferencesStore& s)
68{
69    if (!decoder->decode(CoreIPC::Out(s.m_stringValues, s.m_boolValues, s.m_uint32Values, s.m_doubleValues)))
70        return false;
71
72    if (hasXSSAuditorEnabledTestRunnerOverride)
73        s.m_boolValues.set(WebPreferencesKey::xssAuditorEnabledKey(), xssAuditorEnabledTestRunnerOverride);
74
75    if (hasAllowUniversalAccessFromFileURLsTestRunnerOverride)
76        s.m_boolValues.set(WebPreferencesKey::allowUniversalAccessFromFileURLsKey(), allowUniversalAccessFromFileURLsTestRunnerOverride);
77
78    if (hasAllowFileAccessFromFileURLsTestRunnerOverride)
79        s.m_boolValues.set(WebPreferencesKey::allowFileAccessFromFileURLsKey(), allowFileAccessFromFileURLsTestRunnerOverride);
80
81    return true;
82}
83
84void WebPreferencesStore::overrideXSSAuditorEnabledForTestRunner(bool enabled)
85{
86    hasXSSAuditorEnabledTestRunnerOverride = true;
87    xssAuditorEnabledTestRunnerOverride = enabled;
88}
89
90void WebPreferencesStore::overrideAllowUniversalAccessFromFileURLsForTestRunner(bool enabled)
91{
92    hasAllowUniversalAccessFromFileURLsTestRunnerOverride = true;
93    allowUniversalAccessFromFileURLsTestRunnerOverride = enabled;
94}
95
96void WebPreferencesStore::overrideAllowFileAccessFromFileURLsForTestRunner(bool enabled)
97{
98    hasAllowFileAccessFromFileURLsTestRunnerOverride = true;
99    allowFileAccessFromFileURLsTestRunnerOverride = enabled;
100}
101
102void WebPreferencesStore::removeTestRunnerOverrides()
103{
104    hasXSSAuditorEnabledTestRunnerOverride = false;
105}
106
107
108template<typename MappedType>
109MappedType defaultValueForKey(const String&);
110
111template<>
112String defaultValueForKey(const String& key)
113{
114    static HashMap<String, String>& defaults = *new HashMap<String, String>;
115    if (defaults.isEmpty()) {
116#define DEFINE_STRING_DEFAULTS(KeyUpper, KeyLower, TypeName, Type, DefaultValue) defaults.set(WebPreferencesKey::KeyLower##Key(), DefaultValue);
117        FOR_EACH_WEBKIT_STRING_PREFERENCE(DEFINE_STRING_DEFAULTS)
118#undef DEFINE_STRING_DEFAULTS
119    }
120
121    return defaults.get(key);
122}
123
124template<>
125bool defaultValueForKey(const String& key)
126{
127    static HashMap<String, bool>& defaults = *new HashMap<String, bool>;
128    if (defaults.isEmpty()) {
129#define DEFINE_BOOL_DEFAULTS(KeyUpper, KeyLower, TypeName, Type, DefaultValue) defaults.set(WebPreferencesKey::KeyLower##Key(), DefaultValue);
130        FOR_EACH_WEBKIT_BOOL_PREFERENCE(DEFINE_BOOL_DEFAULTS)
131#undef DEFINE_BOOL_DEFAULTS
132    }
133
134    return defaults.get(key);
135}
136
137template<>
138uint32_t defaultValueForKey(const String& key)
139{
140    static HashMap<String, uint32_t>& defaults = *new HashMap<String, uint32_t>;
141    if (defaults.isEmpty()) {
142#define DEFINE_UINT32_DEFAULTS(KeyUpper, KeyLower, TypeName, Type, DefaultValue) defaults.set(WebPreferencesKey::KeyLower##Key(), DefaultValue);
143        FOR_EACH_WEBKIT_UINT32_PREFERENCE(DEFINE_UINT32_DEFAULTS)
144#undef DEFINE_UINT32_DEFAULTS
145    }
146
147    return defaults.get(key);
148}
149
150template<>
151double defaultValueForKey(const String& key)
152{
153    static HashMap<String, double>& defaults = *new HashMap<String, double>;
154    if (defaults.isEmpty()) {
155#define DEFINE_DOUBLE_DEFAULTS(KeyUpper, KeyLower, TypeName, Type, DefaultValue) defaults.set(WebPreferencesKey::KeyLower##Key(), DefaultValue);
156        FOR_EACH_WEBKIT_DOUBLE_PREFERENCE(DEFINE_DOUBLE_DEFAULTS)
157#undef DEFINE_DOUBLE_DEFAULTS
158    }
159
160    return defaults.get(key);
161}
162
163template<typename MapType>
164static typename MapType::MappedType valueForKey(const MapType& map, const typename MapType::KeyType& key)
165{
166    typename MapType::const_iterator it = map.find(key);
167    if (it != map.end())
168        return it->second;
169
170    return defaultValueForKey<typename MapType::MappedType>(key);
171}
172
173template<typename MapType>
174static bool setValueForKey(MapType& map, const typename MapType::KeyType& key, const typename MapType::MappedType& value)
175{
176    typename MapType::MappedType existingValue = valueForKey(map, key);
177    if (existingValue == value)
178        return false;
179
180    map.set(key, value);
181    return true;
182}
183
184bool WebPreferencesStore::setStringValueForKey(const String& key, const String& value)
185{
186    return setValueForKey(m_stringValues, key, value);
187}
188
189String WebPreferencesStore::getStringValueForKey(const String& key) const
190{
191    return valueForKey(m_stringValues, key);
192}
193
194bool WebPreferencesStore::setBoolValueForKey(const String& key, bool value)
195{
196    return setValueForKey(m_boolValues, key, value);
197}
198
199bool WebPreferencesStore::getBoolValueForKey(const String& key) const
200{
201    return valueForKey(m_boolValues, key);
202}
203
204bool WebPreferencesStore::setUInt32ValueForKey(const String& key, uint32_t value)
205{
206    return setValueForKey(m_uint32Values, key, value);
207}
208
209uint32_t WebPreferencesStore::getUInt32ValueForKey(const String& key) const
210{
211    return valueForKey(m_uint32Values, key);
212}
213
214bool WebPreferencesStore::setDoubleValueForKey(const String& key, double value)
215{
216    return setValueForKey(m_doubleValues, key, value);
217}
218
219double WebPreferencesStore::getDoubleValueForKey(const String& key) const
220{
221    return valueForKey(m_doubleValues, key);
222}
223
224} // namespace WebKit
225