chrome/browser/ui/webui/options/reset_profile_settings_handler.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/ui/webui/options/reset_profile_settings_handler.h"
   6
   7 #include "base/bind.h"
   8 #include "base/bind_helpers.h"
   9 #include "base/metrics/histogram.h"
  10 #include "base/prefs/pref_service.h"
  11 #include "base/strings/string16.h"
  12 #include "base/values.h"
  13 #include "chrome/browser/google/google_util.h"
  14 #include "chrome/browser/profile_resetter/automatic_profile_resetter.h"
  15 #include "chrome/browser/profile_resetter/automatic_profile_resetter_factory.h"
  16 #include "chrome/browser/profile_resetter/brandcode_config_fetcher.h"
  17 #include "chrome/browser/profile_resetter/brandcoded_default_settings.h"
  18 #include "chrome/browser/profile_resetter/profile_resetter.h"
  19 #include "chrome/browser/profile_resetter/resettable_settings_snapshot.h"
  20 #include "chrome/browser/profiles/profile.h"
  21 #include "chrome/common/pref_names.h"
  22 #include "chrome/common/url_constants.h"
  23 #include "content/public/browser/user_metrics.h"
  24 #include "content/public/browser/web_ui.h"
  25 #include "grit/generated_resources.h"
  26 #include "ui/base/l10n/l10n_util.h"
  27
  28 namespace options {
  29
  30 ResetProfileSettingsHandler::ResetProfileSettingsHandler()
  31     : automatic_profile_resetter_(NULL), has_shown_confirmation_dialog_(false) {
  32   google_util::GetBrand(&brandcode_);
  33 }
  34
  35 ResetProfileSettingsHandler::~ResetProfileSettingsHandler() {}
  36
  37 void ResetProfileSettingsHandler::InitializeHandler() {
  38   Profile* profile = Profile::FromWebUI(web_ui());
  39   resetter_.reset(new ProfileResetter(profile));
  40   automatic_profile_resetter_ =
  41       AutomaticProfileResetterFactory::GetForBrowserContext(profile);
  42 }
  43
  44 void ResetProfileSettingsHandler::InitializePage() {
  45   web_ui()->CallJavascriptFunction(
  46       "ResetProfileSettingsOverlay.setResettingState",
  47       base::FundamentalValue(resetter_->IsActive()));
  48   if (automatic_profile_resetter_ &&
  49       automatic_profile_resetter_->ShouldShowResetBanner())
  50     web_ui()->CallJavascriptFunction("ResetProfileSettingsBanner.show");
  51 }
  52
  53 void ResetProfileSettingsHandler::Uninitialize() {
  54   if (has_shown_confirmation_dialog_ && automatic_profile_resetter_) {
  55     automatic_profile_resetter_->NotifyDidCloseWebUIResetDialog(
  56         false /*performed_reset*/);
  57   }
  58 }
  59
  60 void ResetProfileSettingsHandler::GetLocalizedValues(
  61     base::DictionaryValue* localized_strings) {
  62   DCHECK(localized_strings);
  63
  64   static OptionsStringResource resources[] = {
  65     { "resetProfileSettingsBannerText",
  66         IDS_RESET_PROFILE_SETTINGS_BANNER_TEXT },
  67     { "resetProfileSettingsCommit", IDS_RESET_PROFILE_SETTINGS_COMMIT_BUTTON },
  68     { "resetProfileSettingsExplanation",
  69         IDS_RESET_PROFILE_SETTINGS_EXPLANATION },
  70     { "resetProfileSettingsFeedback", IDS_RESET_PROFILE_SETTINGS_FEEDBACK }
  71   };
  72
  73   RegisterStrings(localized_strings, resources, arraysize(resources));
  74   RegisterTitle(localized_strings, "resetProfileSettingsOverlay",
  75                 IDS_RESET_PROFILE_SETTINGS_TITLE);
  76   localized_strings->SetString(
  77       "resetProfileSettingsLearnMoreUrl",
  78       chrome::kResetProfileSettingsLearnMoreURL);
  79 }
  80
  81 void ResetProfileSettingsHandler::RegisterMessages() {
  82   // Setup handlers specific to this panel.
  83   web_ui()->RegisterMessageCallback("performResetProfileSettings",
  84       base::Bind(&ResetProfileSettingsHandler::HandleResetProfileSettings,
  85                  base::Unretained(this)));
  86   web_ui()->RegisterMessageCallback("onShowResetProfileDialog",
  87       base::Bind(&ResetProfileSettingsHandler::OnShowResetProfileDialog,
  88                  base::Unretained(this)));
  89   web_ui()->RegisterMessageCallback("onDismissedResetProfileSettingsBanner",
  90       base::Bind(&ResetProfileSettingsHandler::
  91                  OnDismissedResetProfileSettingsBanner,
  92                  base::Unretained(this)));
  93 }
  94
  95 void ResetProfileSettingsHandler::HandleResetProfileSettings(
  96     const base::ListValue* value) {
  97   bool send_settings = false;
  98   if (!value->GetBoolean(0, &send_settings))
  99     NOTREACHED();
 100
 101   DCHECK(brandcode_.empty() || config_fetcher_);
 102   if (config_fetcher_ && config_fetcher_->IsActive()) {
 103     // Reset once the prefs are fetched.
 104     config_fetcher_->SetCallback(
 105         base::Bind(&ResetProfileSettingsHandler::ResetProfile,
 106                    Unretained(this),
 107                    send_settings));
 108   } else {
 109     ResetProfile(send_settings);
 110   }
 111 }
 112
 113 void ResetProfileSettingsHandler::OnResetProfileSettingsDone() {
 114   web_ui()->CallJavascriptFunction("ResetProfileSettingsOverlay.doneResetting");
 115   if (setting_snapshot_) {
 116     Profile* profile = Profile::FromWebUI(web_ui());
 117     ResettableSettingsSnapshot current_snapshot(profile);
 118     int difference = setting_snapshot_->FindDifferentFields(current_snapshot);
 119     if (difference) {
 120       setting_snapshot_->Subtract(current_snapshot);
 121       std::string report = SerializeSettingsReport(*setting_snapshot_,
 122                                                    difference);
 123       bool is_reset_prompt_active = automatic_profile_resetter_ &&
 124           automatic_profile_resetter_->IsResetPromptFlowActive();
 125       SendSettingsFeedback(report, profile, is_reset_prompt_active ?
 126           PROFILE_RESET_PROMPT : PROFILE_RESET_WEBUI);
 127     }
 128     setting_snapshot_.reset();
 129   }
 130   if (automatic_profile_resetter_) {
 131     automatic_profile_resetter_->NotifyDidCloseWebUIResetDialog(
 132         true /*performed_reset*/);
 133   }
 134 }
 135
 136 void ResetProfileSettingsHandler::OnShowResetProfileDialog(
 137     const base::ListValue*) {
 138   base::DictionaryValue flashInfo;
 139   flashInfo.Set("feedbackInfo", GetReadableFeedback(
 140       Profile::FromWebUI(web_ui())));
 141   web_ui()->CallJavascriptFunction(
 142       "ResetProfileSettingsOverlay.setFeedbackInfo",
 143       flashInfo);
 144
 145   if (automatic_profile_resetter_)
 146     automatic_profile_resetter_->NotifyDidOpenWebUIResetDialog();
 147   has_shown_confirmation_dialog_ = true;
 148
 149   if (brandcode_.empty())
 150     return;
 151   config_fetcher_.reset(new BrandcodeConfigFetcher(
 152       base::Bind(&ResetProfileSettingsHandler::OnSettingsFetched,
 153                  Unretained(this)),
 154       GURL("https://tools.google.com/service/update2"),
 155       brandcode_));
 156 }
 157
 158 void ResetProfileSettingsHandler::OnDismissedResetProfileSettingsBanner(
 159     const base::ListValue* args) {
 160   if (automatic_profile_resetter_)
 161     automatic_profile_resetter_->NotifyDidCloseWebUIResetBanner();
 162 }
 163
 164 void ResetProfileSettingsHandler::OnSettingsFetched() {
 165   DCHECK(config_fetcher_);
 166   DCHECK(!config_fetcher_->IsActive());
 167   // The master prefs is fetched. We are waiting for user pressing 'Reset'.
 168 }
 169
 170 void ResetProfileSettingsHandler::ResetProfile(bool send_settings) {
 171   DCHECK(resetter_);
 172   DCHECK(!resetter_->IsActive());
 173
 174   scoped_ptr<BrandcodedDefaultSettings> default_settings;
 175   if (config_fetcher_) {
 176     DCHECK(!config_fetcher_->IsActive());
 177     default_settings = config_fetcher_->GetSettings();
 178     config_fetcher_.reset();
 179   } else {
 180     DCHECK(brandcode_.empty());
 181   }
 182
 183   // If failed to fetch BrandcodedDefaultSettings or this is an organic
 184   // installation, use default settings.
 185   if (!default_settings)
 186     default_settings.reset(new BrandcodedDefaultSettings);
 187   // Save current settings if required.
 188   setting_snapshot_.reset(send_settings ?
 189       new ResettableSettingsSnapshot(Profile::FromWebUI(web_ui())) : NULL);
 190   resetter_->Reset(
 191       ProfileResetter::ALL,
 192       default_settings.Pass(),
 193       base::Bind(&ResetProfileSettingsHandler::OnResetProfileSettingsDone,
 194                  AsWeakPtr()));
 195   content::RecordAction(base::UserMetricsAction("ResetProfile"));
 196   UMA_HISTOGRAM_BOOLEAN("ProfileReset.SendFeedback", send_settings);
 197 }
 198
 199 }  // namespace options