| /* |
| * Copyright (C) 2010, 2011, 2012 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #pragma once |
| |
| #include "Decoder.h" |
| #include "Encoder.h" |
| #include <wtf/HashMap.h> |
| #include <wtf/text/StringHash.h> |
| #include <wtf/text/WTFString.h> |
| |
| namespace WebKit { |
| |
| struct WebPreferencesStore { |
| WebPreferencesStore(); |
| |
| void encode(IPC::Encoder&) const; |
| static bool decode(IPC::Decoder&, WebPreferencesStore&); |
| |
| // NOTE: The getters in this class have non-standard names to aid in the use of the preference macros. |
| |
| bool setStringValueForKey(const String& key, const String& value); |
| String getStringValueForKey(const String& key) const; |
| |
| bool setBoolValueForKey(const String& key, bool value); |
| bool getBoolValueForKey(const String& key) const; |
| |
| bool setUInt32ValueForKey(const String& key, uint32_t value); |
| uint32_t getUInt32ValueForKey(const String& key) const; |
| |
| bool setDoubleValueForKey(const String& key, double value); |
| double getDoubleValueForKey(const String& key) const; |
| |
| void setOverrideDefaultsStringValueForKey(const String& key, String value); |
| void setOverrideDefaultsBoolValueForKey(const String& key, bool value); |
| void setOverrideDefaultsUInt32ValueForKey(const String& key, uint32_t value); |
| void setOverrideDefaultsDoubleValueForKey(const String& key, double value); |
| |
| // For WebKitTestRunner usage. |
| static void overrideBoolValueForKey(const String& key, bool value); |
| static void removeTestRunnerOverrides(); |
| |
| struct Value { |
| enum class Type { |
| None, |
| String, |
| Bool, |
| UInt32, |
| Double, |
| }; |
| |
| void encode(IPC::Encoder&) const; |
| static bool decode(IPC::Decoder&, Value&); |
| |
| explicit Value() : m_type(Type::None) { } |
| explicit Value(const String& value) : m_type(Type::String), m_string(value) { } |
| explicit Value(bool value) : m_type(Type::Bool), m_bool(value) { } |
| explicit Value(uint32_t value) : m_type(Type::UInt32), m_uint32(value) { } |
| explicit Value(double value) : m_type(Type::Double), m_double(value) { } |
| |
| Value(Value&& value) |
| : m_type(value.m_type) |
| { |
| switch (m_type) { |
| case Type::None: |
| break; |
| case Type::String: |
| new (&m_string) String(WTFMove(value.m_string)); |
| break; |
| case Type::Bool: |
| m_bool = value.m_bool; |
| break; |
| case Type::UInt32: |
| m_uint32 = value.m_uint32; |
| break; |
| case Type::Double: |
| m_double = value.m_double; |
| break; |
| } |
| } |
| |
| Value& operator=(const Value& other) |
| { |
| if (this == &other) |
| return *this; |
| |
| destroy(); |
| |
| m_type = other.m_type; |
| switch (m_type) { |
| case Type::None: |
| break; |
| case Type::String: |
| new (&m_string) String(other.m_string); |
| break; |
| case Type::Bool: |
| m_bool = other.m_bool; |
| break; |
| case Type::UInt32: |
| m_uint32 = other.m_uint32; |
| break; |
| case Type::Double: |
| m_double = other.m_double; |
| break; |
| } |
| |
| return *this; |
| } |
| |
| ~Value() |
| { |
| destroy(); |
| } |
| |
| Type type() const { return m_type; } |
| |
| String asString() const |
| { |
| ASSERT(m_type == Type::String); |
| return m_string; |
| } |
| |
| bool asBool() const |
| { |
| ASSERT(m_type == Type::Bool); |
| return m_bool; |
| } |
| |
| uint32_t asUInt32() const |
| { |
| ASSERT(m_type == Type::UInt32); |
| return m_uint32; |
| } |
| |
| double asDouble() const |
| { |
| ASSERT(m_type == Type::Double); |
| return m_double; |
| } |
| |
| private: |
| void destroy() |
| { |
| if (m_type == Type::String) |
| m_string.~String(); |
| } |
| |
| Type m_type; |
| union { |
| String m_string; |
| bool m_bool; |
| uint32_t m_uint32; |
| double m_double; |
| }; |
| }; |
| |
| typedef HashMap<String, Value> ValueMap; |
| ValueMap m_values; |
| ValueMap m_overridenDefaults; |
| }; |
| |
| } // namespace WebKit |