chrome/browser/ui/ash/system_tray_delegate_common.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_SYSTEM_TRAY_DELEGATE_COMMON_H_
   6 #define CHROME_BROWSER_UI_ASH_SYSTEM_TRAY_DELEGATE_COMMON_H_
   7
   8 #include <string>
   9
  10 #include "ash/system/tray/system_tray_delegate.h"
  11 #include "base/compiler_specific.h"
  12 #include "base/i18n/time_formatting.h"
  13 #include "base/macros.h"
  14 #include "base/memory/scoped_ptr.h"
  15 #include "content/public/browser/notification_observer.h"
  16 #include "content/public/browser/notification_registrar.h"
  17
  18 // Common base class for platform-specific implementations.
  19 class SystemTrayDelegateCommon : public ash::SystemTrayDelegate,
  20                                  public content::NotificationObserver {
  21  public:
  22   SystemTrayDelegateCommon();
  23
  24   ~SystemTrayDelegateCommon() override;
  25
  26   // Overridden from ash::SystemTrayDelegate:
  27   void Initialize() override;
  28   void Shutdown() override;
  29   bool GetTrayVisibilityOnStartup() override;
  30   ash::user::LoginStatus GetUserLoginStatus() const override;
  31   bool IsUserSupervised() const override;
  32   bool IsUserChild() const override;
  33   void GetSystemUpdateInfo(ash::UpdateInfo* info) const override;
  34   base::HourClockType GetHourClockType() const override;
  35   void ShowChromeSlow() override;
  36   void ShowHelp() override;
  37   void RequestRestartForUpdate() override;
  38   int GetSystemTrayMenuWidth() override;
  39
  40  private:
  41   void UpdateClockType();
  42
  43   // content::NotificationObserver implementation.
  44   void Observe(int type,
  45                const content::NotificationSource& source,
  46                const content::NotificationDetails& details) override;
  47
  48   scoped_ptr<content::NotificationRegistrar> registrar_;
  49   base::HourClockType clock_type_;
  50
  51   DISALLOW_COPY_AND_ASSIGN(SystemTrayDelegateCommon);
  52 };
  53
  54 #endif  // CHROME_BROWSER_UI_ASH_SYSTEM_TRAY_DELEGATE_COMMON_H_