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   virtual ~LocaleNotificationDelegate();
  33
  34   // message_center::NotificationDelegate overrides:
  35   virtual void Display() OVERRIDE;
  36   virtual void Error() OVERRIDE;
  37   virtual void Close(bool by_user) OVERRIDE;
  38   virtual bool HasClickedListener() OVERRIDE;
  39   virtual void Click() OVERRIDE;
  40   virtual void ButtonClick(int button_index) OVERRIDE;
  41
  42  private:
  43   LocaleObserver::Delegate* delegate_;
  44
  45   DISALLOW_COPY_AND_ASSIGN(LocaleNotificationDelegate);
  46 };
  47
  48 LocaleNotificationDelegate::LocaleNotificationDelegate(
  49     LocaleObserver::Delegate* delegate)
  50   : delegate_(delegate) {
  51   DCHECK(delegate_);
  52 }
  53
  54 LocaleNotificationDelegate::~LocaleNotificationDelegate() {
  55 }
  56
  57 void LocaleNotificationDelegate::Display() {
  58 }
  59
  60 void LocaleNotificationDelegate::Error() {
  61 }
  62
  63 void LocaleNotificationDelegate::Close(bool by_user) {
  64   delegate_->AcceptLocaleChange();
  65 }
  66
  67 bool LocaleNotificationDelegate::HasClickedListener() {
  68   return true;
  69 }
  70
  71 void LocaleNotificationDelegate::Click() {
  72   delegate_->AcceptLocaleChange();
  73 }
  74
  75 void LocaleNotificationDelegate::ButtonClick(int button_index) {
  76   DCHECK_EQ(0, button_index);
  77   delegate_->RevertLocaleChange();
  78 }
  79
  80 }  // namespace
  81
  82 LocaleNotificationController::LocaleNotificationController()
  83     : delegate_(NULL) {
  84   Shell::GetInstance()->system_tray_notifier()->AddLocaleObserver(this);
  85 }
  86
  87 LocaleNotificationController::~LocaleNotificationController() {
  88   Shell::GetInstance()->system_tray_notifier()->RemoveLocaleObserver(this);
  89 }
  90
  91 void LocaleNotificationController::OnLocaleChanged(
  92     LocaleObserver::Delegate* delegate,
  93     const std::string& cur_locale,
  94     const std::string& from_locale,
  95     const std::string& to_locale) {
  96   if (!delegate)
  97     return;
  98
  99   base::string16 from = l10n_util::GetDisplayNameForLocale(
 100       from_locale, cur_locale, true);
 101   base::string16 to = l10n_util::GetDisplayNameForLocale(
 102       to_locale, cur_locale, true);
 103
 104   message_center::RichNotificationData optional;
 105   optional.buttons.push_back(message_center::ButtonInfo(
 106       l10n_util::GetStringFUTF16(
 107           IDS_ASH_STATUS_TRAY_LOCALE_REVERT_MESSAGE, from)));
 108   optional.never_timeout = true;
 109
 110   ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
 111   scoped_ptr<Notification> notification(new Notification(
 112       message_center::NOTIFICATION_TYPE_SIMPLE,
 113       kLocaleChangeNotificationId,
 114       base::string16()  /* title */,
 115       l10n_util::GetStringFUTF16(
 116           IDS_ASH_STATUS_TRAY_LOCALE_CHANGE_MESSAGE, from, to),
 117       bundle.GetImageNamed(IDR_AURA_UBER_TRAY_LOCALE),
 118       base::string16()  /* display_source */,
 119       message_center::NotifierId(
 120           message_center::NotifierId::SYSTEM_COMPONENT,
 121           system_notifier::kNotifierLocale),
 122       optional,
 123       new LocaleNotificationDelegate(delegate)));
 124   message_center::MessageCenter::Get()->AddNotification(notification.Pass());
 125 }
 126
 127 }  // namespace ash