chromeos/network/network_ui_data.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chromeos/network/network_ui_data.h"
   6
   7 #include "base/logging.h"
   8 #include "base/values.h"
   9 #include "components/onc/onc_constants.h"
  10
  11 namespace chromeos {
  12
  13 // Top-level UI data dictionary keys.
  14 const char NetworkUIData::kKeyONCSource[] = "onc_source";
  15 const char NetworkUIData::kKeyUserSettings[] = "user_settings";
  16 const char NetworkUIData::kONCSourceUserImport[] = "user_import";
  17 const char NetworkUIData::kONCSourceDevicePolicy[] = "device_policy";
  18 const char NetworkUIData::kONCSourceUserPolicy[] = "user_policy";
  19
  20 namespace {
  21
  22 template <typename Enum>
  23 struct StringEnumEntry {
  24   const char* string;
  25   Enum enum_value;
  26 };
  27
  28 const StringEnumEntry< ::onc::ONCSource> kONCSourceTable[] = {
  29   { NetworkUIData::kONCSourceUserImport, ::onc::ONC_SOURCE_USER_IMPORT },
  30   { NetworkUIData::kONCSourceDevicePolicy, ::onc::ONC_SOURCE_DEVICE_POLICY },
  31   { NetworkUIData::kONCSourceUserPolicy, ::onc::ONC_SOURCE_USER_POLICY }
  32 };
  33
  34 // Converts |enum_value| to the corresponding string according to |table|. If no
  35 // enum value of the table matches (which can only occur if incorrect casting
  36 // was used to obtain |enum_value|), returns an empty string instead.
  37 template <typename Enum, int N>
  38 std::string EnumToString(const StringEnumEntry<Enum>(& table)[N],
  39                          Enum enum_value) {
  40   for (int i = 0; i < N; ++i) {
  41     if (table[i].enum_value == enum_value)
  42       return table[i].string;
  43   }
  44   return std::string();
  45 }
  46
  47 // Converts |str| to the corresponding enum value according to |table|. If no
  48 // string of the table matches, returns |fallback| instead.
  49 template<typename Enum, int N>
  50 Enum StringToEnum(const StringEnumEntry<Enum>(& table)[N],
  51                   const std::string& str,
  52                   Enum fallback) {
  53   for (int i = 0; i < N; ++i) {
  54     if (table[i].string == str)
  55       return table[i].enum_value;
  56   }
  57   return fallback;
  58 }
  59
  60 }  // namespace
  61
  62 NetworkUIData::NetworkUIData() : onc_source_(::onc::ONC_SOURCE_NONE) {
  63 }
  64
  65 NetworkUIData::NetworkUIData(const NetworkUIData& other) {
  66   *this = other;
  67 }
  68
  69 NetworkUIData& NetworkUIData::operator=(const NetworkUIData& other) {
  70   onc_source_ = other.onc_source_;
  71   if (other.user_settings_)
  72     user_settings_.reset(other.user_settings_->DeepCopy());
  73   return *this;
  74 }
  75
  76 NetworkUIData::NetworkUIData(const base::DictionaryValue& dict) {
  77   std::string source;
  78   dict.GetString(kKeyONCSource, &source);
  79   onc_source_ = StringToEnum(kONCSourceTable, source, ::onc::ONC_SOURCE_NONE);
  80
  81   std::string type_string;
  82
  83   const base::DictionaryValue* user_settings = NULL;
  84   if (dict.GetDictionary(kKeyUserSettings, &user_settings))
  85     user_settings_.reset(user_settings->DeepCopy());
  86 }
  87
  88 NetworkUIData::~NetworkUIData() {
  89 }
  90
  91 void NetworkUIData::set_user_settings(scoped_ptr<base::DictionaryValue> dict) {
  92   user_settings_ = dict.Pass();
  93 }
  94
  95 std::string NetworkUIData::GetONCSourceAsString() const {
  96   return EnumToString(kONCSourceTable, onc_source_);
  97 }
  98
  99 void NetworkUIData::FillDictionary(base::DictionaryValue* dict) const {
 100   dict->Clear();
 101
 102   std::string source_string = GetONCSourceAsString();
 103   if (!source_string.empty())
 104     dict->SetString(kKeyONCSource, source_string);
 105
 106   if (user_settings_)
 107     dict->SetWithoutPathExpansion(kKeyUserSettings,
 108                                   user_settings_->DeepCopy());
 109 }
 110
 111 // static
 112 scoped_ptr<NetworkUIData> NetworkUIData::CreateFromONC(
 113     ::onc::ONCSource onc_source) {
 114   scoped_ptr<NetworkUIData> ui_data(new NetworkUIData());
 115
 116   ui_data->onc_source_ = onc_source;
 117
 118   return ui_data.Pass();
 119 }
 120
 121 }  // namespace chromeos