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      1 /*
      2  * Copyright (C) 2010 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 "WebPreferences.h"
     28 
     29 #include <wtf/RetainPtr.h>
     30 #include <wtf/text/StringConcatenate.h>
     31 
     32 #if !PLATFORM(MAC)
     33 
     34 namespace WebKit {
     35 
     36 static RetainPtr<CFStringRef> cfStringFromWebCoreString(const String& string)
     37 {
     38     return RetainPtr<CFStringRef>(AdoptCF, CFStringCreateWithCharacters(0, reinterpret_cast<const UniChar*>(string.characters()), string.length()));
     39 }
     40 
     41 static inline RetainPtr<CFStringRef> makeKey(const String& identifier, const String& baseKey)
     42 {
     43     return cfStringFromWebCoreString(makeString(identifier, ".WebKit2", baseKey));
     44 }
     45 
     46 static void setStringValueIfInUserDefaults(const String& identifier, const String& baseKey, WebPreferencesStore& store)
     47 {
     48     RetainPtr<CFPropertyListRef> value(AdoptCF, CFPreferencesCopyAppValue(makeKey(identifier, baseKey).get(), kCFPreferencesCurrentApplication));
     49     if (!value)
     50         return;
     51     if (CFGetTypeID(value.get()) != CFStringGetTypeID())
     52         return;
     53 
     54     store.setStringValueForKey(baseKey, (CFStringRef)value.get());
     55 }
     56 
     57 static void setBoolValueIfInUserDefaults(const String& identifier, const String& baseKey, WebPreferencesStore& store)
     58 {
     59     RetainPtr<CFPropertyListRef> value(AdoptCF, CFPreferencesCopyAppValue(makeKey(identifier, baseKey).get(), kCFPreferencesCurrentApplication));
     60     if (!value)
     61         return;
     62     if (CFGetTypeID(value.get()) != CFBooleanGetTypeID())
     63         return;
     64 
     65     store.setBoolValueForKey(baseKey, CFBooleanGetValue((CFBooleanRef)value.get()) ? true : false);
     66 }
     67 
     68 static void setUInt32ValueIfInUserDefaults(const String& identifier, const String& baseKey, WebPreferencesStore& store)
     69 {
     70     RetainPtr<CFPropertyListRef> value(AdoptCF, CFPreferencesCopyAppValue(makeKey(identifier, baseKey).get(), kCFPreferencesCurrentApplication));
     71     if (!value)
     72         return;
     73     if (CFGetTypeID(value.get()) != CFNumberGetTypeID())
     74         return;
     75     int32_t intValue = 0;
     76     if (!CFNumberGetValue((CFNumberRef)value.get(), kCFNumberSInt32Type, &intValue))
     77         return;
     78 
     79     store.setUInt32ValueForKey(baseKey, intValue);
     80 }
     81 
     82 static void setDoubleValueIfInUserDefaults(const String& identifier, const String& baseKey, WebPreferencesStore& store)
     83 {
     84     RetainPtr<CFPropertyListRef> value(AdoptCF, CFPreferencesCopyAppValue(makeKey(identifier, baseKey).get(), kCFPreferencesCurrentApplication));
     85     if (!value)
     86         return;
     87     if (CFGetTypeID(value.get()) != CFNumberGetTypeID())
     88         return;
     89     double doubleValue = 0;
     90     if (!CFNumberGetValue((CFNumberRef)value.get(), kCFNumberDoubleType, &doubleValue))
     91         return;
     92 
     93     store.setDoubleValueForKey(baseKey, doubleValue);
     94 }
     95 
     96 void WebPreferences::platformInitializeStore()
     97 {
     98     if (!m_identifier)
     99         return;
    100 
    101 #define INITIALIZE_PREFERENCE_FROM_NSUSERDEFAULTS(KeyUpper, KeyLower, TypeName, Type, DefaultValue) \
    102     set##TypeName##ValueIfInUserDefaults(m_identifier, WebPreferencesKey::KeyLower##Key(), m_store);
    103 
    104     FOR_EACH_WEBKIT_PREFERENCE(INITIALIZE_PREFERENCE_FROM_NSUSERDEFAULTS)
    105 
    106 #undef INITIALIZE_PREFERENCE_FROM_NSUSERDEFAULTS
    107 
    108 }
    109 
    110 void WebPreferences::platformUpdateStringValueForKey(const String& key, const String& value)
    111 {
    112     if (!m_identifier)
    113         return;
    114 
    115     CFPreferencesSetAppValue(makeKey(m_identifier, key).get(), cfStringFromWebCoreString(value).get(), kCFPreferencesCurrentApplication);
    116 }
    117 
    118 void WebPreferences::platformUpdateBoolValueForKey(const String& key, bool value)
    119 {
    120     if (!m_identifier)
    121         return;
    122 
    123     CFPreferencesSetAppValue(makeKey(m_identifier, key).get(), value ? kCFBooleanTrue : kCFBooleanFalse, kCFPreferencesCurrentApplication);
    124 }
    125 
    126 void WebPreferences::platformUpdateUInt32ValueForKey(const String& key, uint32_t value)
    127 {
    128     if (!m_identifier)
    129         return;
    130 
    131     RetainPtr<CFNumberRef> number(AdoptCF, CFNumberCreate(0, kCFNumberSInt32Type, &value));
    132     CFPreferencesSetAppValue(makeKey(m_identifier, key).get(), number.get(), kCFPreferencesCurrentApplication);
    133 }
    134 
    135 void WebPreferences::platformUpdateDoubleValueForKey(const String& key, double value)
    136 {
    137     if (!m_identifier)
    138         return;
    139 
    140     RetainPtr<CFNumberRef> number(AdoptCF, CFNumberCreate(0, kCFNumberDoubleType, &value));
    141     CFPreferencesSetAppValue(makeKey(m_identifier, key).get(), number.get(), kCFPreferencesCurrentApplication);
    142 }
    143 
    144 } // namespace WebKit
    145 
    146 #endif // !PLATFORM(MAC)
    147