chrome/browser/ui/ash/multi_user/multi_user_notification_blocker_chromeos.h

   1 // Copyright 2014 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 #ifndef CHROME_BROWSER_UI_ASH_MULTI_USER_MULTI_USER_NOTIFICATION_BLOCKER_CHROMEOS_H_
   6 #define CHROME_BROWSER_UI_ASH_MULTI_USER_MULTI_USER_NOTIFICATION_BLOCKER_CHROMEOS_H_
   7
   8 #include <map>
   9 #include <set>
  10 #include <string>
  11
  12 #include "chrome/browser/ui/ash/multi_user/multi_user_window_manager.h"
  13 #include "ui/message_center/notification_blocker.h"
  14
  15 // A notification blocker for per-profile stream switching. Owned and controlled
  16 // by MultiUserWindowManagerChromeOS.
  17 class MultiUserNotificationBlockerChromeOS
  18     : public message_center::NotificationBlocker,
  19       public chrome::MultiUserWindowManager::Observer {
  20  public:
  21   MultiUserNotificationBlockerChromeOS(
  22       message_center::MessageCenter* message_center,
  23       chrome::MultiUserWindowManager* multi_user_window_manager,
  24       const std::string& initial_user_id);
  25   virtual ~MultiUserNotificationBlockerChromeOS();
  26
  27   // Called by MultiUserWindowManager when the active user has changed.
  28   void ActiveUserChanged(const std::string& user_id);
  29
  30   // message_center::NotificationBlocker overrides:
  31   virtual bool ShouldShowNotification(
  32       const message_center::NotifierId& notifier_id) const OVERRIDE;
  33   virtual bool ShouldShowNotificationAsPopup(
  34       const message_center::NotifierId& notifier_id) const OVERRIDE;
  35
  36   // chrome::MultiUserWindowManager::Observer overrides:
  37   virtual void OnOwnerEntryAdded(aura::Window* window) OVERRIDE;
  38   virtual void OnOwnerEntryChanged(aura::Window* window) OVERRIDE;
  39   virtual void OnOwnerEntryRemoved(aura::Window* window) OVERRIDE;
  40
  41  private:
  42   // Returns true if this blocker is actively working.
  43   bool IsActive() const;
  44
  45   // Checks the current desktop and update the list of users which owns windows
  46   // on the current desktop.
  47   void UpdateWindowOwners();
  48
  49   chrome::MultiUserWindowManager* multi_user_window_manager_;  // Weak.
  50   std::string active_user_id_;
  51   std::map<std::string, bool> quiet_modes_;
  52   std::set<std::string> current_user_ids_;
  53
  54   DISALLOW_COPY_AND_ASSIGN(MultiUserNotificationBlockerChromeOS);
  55 };
  56
  57 #endif  // CHROME_BROWSER_UI_ASH_MULTI_USER_MULTI_USER_NOTIFICATION_BLOCKER_CHROMEOS_H_