src/ash/system/locale/locale_notification_controller.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 "ash/system/locale/locale_notification_controller.h"
   6
   7 #include "ash/shell.h"
   8 #include "ash/system/system_notifier.h"
   9 #include "ash/system/tray/system_tray_notifier.h"
  10 #include "base/strings/string16.h"
  11 #include "grit/ash_resources.h"
  12 #include "grit/ash_strings.h"
  13 #include "ui/base/l10n/l10n_util.h"
  14 #include "ui/base/resource/resource_bundle.h"
  15 #include "ui/message_center/message_center.h"
  16 #include "ui/message_center/notification.h"
  17 #include "ui/message_center/notification_delegate.h"
  18 #include "ui/message_center/notification_types.h"
  19
  20 using message_center::Notification;
  21
  22 namespace ash {
  23 namespace {
  24
  25 const char kLocaleChangeNotificationId[] = "chrome://settings/locale";
  26
  27 class LocaleNotificationDelegate : public message_center::NotificationDelegate {
  28  public:
  29   explicit LocaleNotificationDelegate(LocaleObserver::Delegate* delegate);
  30
  31  protected:
  32   ~LocaleNotificationDelegate() override;
  33
  34   // message_center::NotificationDelegate overrides:
  35   void Close(bool by_user) override;
  36   bool HasClickedListener() override;
  37   void Click() override;
  38   void ButtonClick(int button_index) override;
  39
  40  private:
  41   LocaleObserver::Delegate* delegate_;
  42
  43   DISALLOW_COPY_AND_ASSIGN(LocaleNotificationDelegate);
  44 };
  45
  46 LocaleNotificationDelegate::LocaleNotificationDelegate(
  47     LocaleObserver::Delegate* delegate)
  48   : delegate_(delegate) {
  49   DCHECK(delegate_);
  50 }
  51
  52 LocaleNotificationDelegate::~LocaleNotificationDelegate() {
  53 }
  54
  55 void LocaleNotificationDelegate::Close(bool by_user) {
  56   delegate_->AcceptLocaleChange();
  57 }
  58
  59 bool LocaleNotificationDelegate::HasClickedListener() {
  60   return true;
  61 }
  62
  63 void LocaleNotificationDelegate::Click() {
  64   delegate_->AcceptLocaleChange();
  65 }
  66
  67 void LocaleNotificationDelegate::ButtonClick(int button_index) {
  68   DCHECK_EQ(0, button_index);
  69   delegate_->RevertLocaleChange();
  70 }
  71
  72 }  // namespace
  73
  74 LocaleNotificationController::LocaleNotificationController()
  75     : delegate_(NULL) {
  76   Shell::GetInstance()->system_tray_notifier()->AddLocaleObserver(this);
  77 }
  78
  79 LocaleNotificationController::~LocaleNotificationController() {
  80   Shell::GetInstance()->system_tray_notifier()->RemoveLocaleObserver(this);
  81 }
  82
  83 void LocaleNotificationController::OnLocaleChanged(
  84     LocaleObserver::Delegate* delegate,
  85     const std::string& cur_locale,
  86     const std::string& from_locale,
  87     const std::string& to_locale) {
  88   if (!delegate)
  89     return;
  90
  91   base::string16 from = l10n_util::GetDisplayNameForLocale(
  92       from_locale, cur_locale, true);
  93   base::string16 to = l10n_util::GetDisplayNameForLocale(
  94       to_locale, cur_locale, true);
  95
  96   message_center::RichNotificationData optional;
  97   optional.buttons.push_back(message_center::ButtonInfo(
  98       l10n_util::GetStringFUTF16(
  99           IDS_ASH_STATUS_TRAY_LOCALE_REVERT_MESSAGE, from)));
 100   optional.never_timeout = true;
 101
 102   ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
 103   scoped_ptr<Notification> notification(new Notification(
 104       message_center::NOTIFICATION_TYPE_SIMPLE,
 105       kLocaleChangeNotificationId,
 106       base::string16()  /* title */,
 107       l10n_util::GetStringFUTF16(
 108           IDS_ASH_STATUS_TRAY_LOCALE_CHANGE_MESSAGE, from, to),
 109       bundle.GetImageNamed(IDR_AURA_UBER_TRAY_LOCALE),
 110       base::string16()  /* display_source */,
 111       message_center::NotifierId(
 112           message_center::NotifierId::SYSTEM_COMPONENT,
 113           system_notifier::kNotifierLocale),
 114       optional,
 115       new LocaleNotificationDelegate(delegate)));
 116   message_center::MessageCenter::Get()->AddNotification(notification.Pass());
 117 }
 118
 119 }  // namespace ash