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      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/display/display_error_observer.h"
      6 
      7 #include "grit/ash_resources.h"
      8 #include "grit/ash_strings.h"
      9 #include "ui/base/l10n/l10n_util.h"
     10 #include "ui/base/resource/resource_bundle.h"
     11 #include "ui/message_center/message_center.h"
     12 #include "ui/message_center/notification.h"
     13 #include "ui/message_center/notification_delegate.h"
     14 #include "ui/message_center/notification_list.h"
     15 
     16 using message_center::Notification;
     17 
     18 namespace ash {
     19 namespace internal {
     20 namespace {
     21 
     22 const char kDisplayErrorNotificationId[] = "chrome://settings/display/error";
     23 
     24 class DisplayErrorNotificationDelegate
     25     : public message_center::NotificationDelegate {
     26  public:
     27   DisplayErrorNotificationDelegate() {}
     28 
     29   // message_center::NotificationDelegate overrides:
     30   virtual void Display() OVERRIDE {}
     31   virtual void Error() OVERRIDE {}
     32   virtual void Close(bool by_user) OVERRIDE {}
     33   virtual bool HasClickedListener() OVERRIDE { return false; }
     34   virtual void Click() OVERRIDE { }
     35 
     36  protected:
     37   virtual ~DisplayErrorNotificationDelegate() {}
     38 
     39  private:
     40   DISALLOW_COPY_AND_ASSIGN(DisplayErrorNotificationDelegate);
     41 };
     42 
     43 }  // namespace
     44 
     45 DisplayErrorObserver::DisplayErrorObserver() {
     46 }
     47 
     48 DisplayErrorObserver::~DisplayErrorObserver() {
     49 }
     50 
     51 void DisplayErrorObserver::OnDisplayModeChangeFailed(
     52     chromeos::OutputState new_state) {
     53   // Always remove the notification to make sure the notification appears
     54   // as a popup in any situation.
     55   message_center::MessageCenter::Get()->RemoveNotification(
     56       kDisplayErrorNotificationId, false /* by_user */);
     57 
     58   int message_id = (new_state == chromeos::STATE_DUAL_MIRROR) ?
     59       IDS_ASH_DISPLAY_FAILURE_ON_MIRRORING :
     60       IDS_ASH_DISPLAY_FAILURE_ON_NON_MIRRORING;
     61 
     62   ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
     63   scoped_ptr<Notification> notification(new Notification(
     64       message_center::NOTIFICATION_TYPE_SIMPLE,
     65       kDisplayErrorNotificationId,
     66       l10n_util::GetStringUTF16(message_id),
     67       base::string16(),  // message
     68       bundle.GetImageNamed(IDR_AURA_UBER_TRAY_DISPLAY),
     69       base::string16(),  // display_source
     70       std::string(),  // extension_id
     71       message_center::RichNotificationData(),
     72       new DisplayErrorNotificationDelegate()));
     73   message_center::MessageCenter::Get()->AddNotification(notification.Pass());
     74 }
     75 
     76 string16 DisplayErrorObserver::GetTitleOfDisplayErrorNotificationForTest() {
     77   message_center::NotificationList::Notifications notifications =
     78       message_center::MessageCenter::Get()->GetNotifications();
     79   for (message_center::NotificationList::Notifications::const_iterator iter =
     80            notifications.begin(); iter != notifications.end(); ++iter) {
     81     if ((*iter)->id() == kDisplayErrorNotificationId)
     82       return (*iter)->title();
     83   }
     84 
     85   return base::string16();
     86 }
     87 
     88 }  // namespace internal
     89 }  // namespace ash
     90