chrome/browser/ui/app_list/google_now_extension.cc

   1 // Copyright 2015 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/app_list/google_now_extension.h"
   6
   7 #include "base/prefs/pref_service.h"
   8 #include "chrome/browser/notifications/notifier_state_tracker.h"
   9 #include "chrome/browser/notifications/notifier_state_tracker_factory.h"
  10 #include "chrome/browser/profiles/profile.h"
  11 #include "chrome/common/pref_names.h"
  12 #include "components/variations/variations_associated_data.h"
  13 #include "ui/message_center/notifier_settings.h"
  14
  15 namespace {
  16 const char kGoogleNowExtensionFieldTrialName[] = "GoogleNowExtension";
  17
  18 // Extension ID for previous Now notifications component.
  19 const char kNowNotifierId[] = "pafkbggdmjlpgkdkcbjmhmfcdpncadgh";
  20 };  // namespace
  21
  22 bool GetGoogleNowExtensionId(std::string* extension_id) {
  23   *extension_id = variations::GetVariationParamValue(
  24       kGoogleNowExtensionFieldTrialName, "id");
  25   return !extension_id->empty();
  26 }
  27
  28 // TODO(skare): Remove this if/when the Now Notifications component is
  29 // deprecated. http://crbug.com/459846
  30 void MigrateGoogleNowPrefs(Profile* profile) {
  31   std::string now_extension_id;
  32   if (!GetGoogleNowExtensionId(&now_extension_id))
  33     return;
  34
  35   PrefService* prefs = profile->GetPrefs();
  36   const PrefService::Preference* enabled_pref =
  37       prefs->FindPreference(prefs::kGoogleNowLauncherEnabled);
  38
  39   // If the pref is not its default value, migration was performed.
  40   if (!enabled_pref->IsDefaultValue())
  41     return;
  42
  43   NotifierStateTracker* const notifier_state_tracker =
  44       NotifierStateTrackerFactory::GetForProfile(profile);
  45   bool notifier_enabled = notifier_state_tracker->IsNotifierEnabled(
  46       message_center::NotifierId(
  47           message_center::NotifierId::APPLICATION, kNowNotifierId));
  48   prefs->SetBoolean(prefs::kGoogleNowLauncherEnabled, notifier_enabled);
  49 }