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