chrome/browser/profile_resetter/brandcoded_default_settings.cc

   1 // Copyright 2013 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 "chrome/browser/profile_resetter/brandcoded_default_settings.h"
   6
   7 #include "base/json/json_string_value_serializer.h"
   8 #include "base/logging.h"
   9 #include "chrome/common/pref_names.h"
  10 #include "chrome/installer/util/master_preferences_constants.h"
  11 #include "components/crx_file/id_util.h"
  12 #include "components/search_engines/search_engines_pref_names.h"
  13
  14 BrandcodedDefaultSettings::BrandcodedDefaultSettings() {
  15 }
  16
  17 BrandcodedDefaultSettings::BrandcodedDefaultSettings(const std::string& prefs) {
  18   if (!prefs.empty()) {
  19     JSONStringValueDeserializer json(prefs);
  20     std::string error;
  21     scoped_ptr<base::Value> root(json.Deserialize(NULL, &error));
  22     if (!root.get()) {
  23       VLOG(1) << "Failed to parse brandcode prefs file: " << error;
  24       return;
  25     }
  26     if (!root->IsType(base::Value::TYPE_DICTIONARY)) {
  27       VLOG(1) << "Failed to parse brandcode prefs file: "
  28               << "Root item must be a dictionary.";
  29       return;
  30     }
  31     master_dictionary_.reset(
  32         static_cast<base::DictionaryValue*>(root.release()));
  33   }
  34 }
  35
  36 BrandcodedDefaultSettings::~BrandcodedDefaultSettings() {
  37 }
  38
  39 scoped_ptr<base::ListValue>
  40 BrandcodedDefaultSettings::GetSearchProviderOverrides() const {
  41   return ExtractList(prefs::kSearchProviderOverrides);
  42 }
  43
  44 bool BrandcodedDefaultSettings::GetHomepage(std::string* homepage) const {
  45   return master_dictionary_ &&
  46          master_dictionary_->GetString(prefs::kHomePage, homepage) &&
  47          !homepage->empty();
  48 }
  49
  50 bool BrandcodedDefaultSettings::GetHomepageIsNewTab(
  51     bool* homepage_is_ntp) const {
  52   return master_dictionary_ &&
  53          master_dictionary_->GetBoolean(prefs::kHomePageIsNewTabPage,
  54                                         homepage_is_ntp);
  55 }
  56
  57 bool BrandcodedDefaultSettings::GetShowHomeButton(
  58     bool* show_home_button) const {
  59   return master_dictionary_ &&
  60          master_dictionary_->GetBoolean(prefs::kShowHomeButton,
  61                                         show_home_button);
  62 }
  63
  64 bool BrandcodedDefaultSettings::GetExtensions(
  65     std::vector<std::string>* extension_ids) const {
  66   DCHECK(extension_ids);
  67   base::DictionaryValue* extensions = NULL;
  68   if (master_dictionary_ &&
  69       master_dictionary_->GetDictionary(
  70           installer::master_preferences::kExtensionsBlock,
  71           &extensions)) {
  72     for (base::DictionaryValue::Iterator extension_id(*extensions);
  73          !extension_id.IsAtEnd(); extension_id.Advance()) {
  74       if (crx_file::id_util::IdIsValid(extension_id.key()))
  75         extension_ids->push_back(extension_id.key());
  76     }
  77     return true;
  78   }
  79   return false;
  80 }
  81
  82 bool BrandcodedDefaultSettings::GetRestoreOnStartup(
  83     int* restore_on_startup) const {
  84   return master_dictionary_ &&
  85          master_dictionary_->GetInteger(prefs::kRestoreOnStartup,
  86                                         restore_on_startup);
  87 }
  88
  89 scoped_ptr<base::ListValue>
  90 BrandcodedDefaultSettings::GetUrlsToRestoreOnStartup() const {
  91   return ExtractList(prefs::kURLsToRestoreOnStartup);
  92 }
  93
  94 scoped_ptr<base::ListValue> BrandcodedDefaultSettings::ExtractList(
  95     const char* pref_name) const {
  96   const base::ListValue* value = NULL;
  97   if (master_dictionary_ &&
  98       master_dictionary_->GetList(pref_name, &value) &&
  99       !value->empty()) {
 100     return scoped_ptr<base::ListValue>(value->DeepCopy());
 101   }
 102   return scoped_ptr<base::ListValue>();
 103 }