Common code from linux and windows implementations of SystemTrayDelegate

chrome/browser/ui/ash/system_tray_delegate_common.h

-// Copyright 2013 The Chromium Authors. All rights reserved.
+// Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ASH_SYSTEM_TRAY_DEFAULT_SYSTEM_TRAY_DELEGATE_H_
-#define ASH_SYSTEM_TRAY_DEFAULT_SYSTEM_TRAY_DELEGATE_H_
+#ifndef CHROME_BROWSER_UI_ASH_SYSTEM_TRAY_DELEGATE_COMMON_H_
+#define CHROME_BROWSER_UI_ASH_SYSTEM_TRAY_DELEGATE_COMMON_H_
 
-#include "ash/ash_export.h"
+#include <string>
+
 #include "ash/system/tray/system_tray_delegate.h"
 #include "base/compiler_specific.h"
+#include "base/i18n/time_formatting.h"
+#include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
+#include "content/public/browser/notification_observer.h"
+#include "content/public/browser/notification_registrar.h"
 
 namespace ash {
+class SystemTrayNotifier;
+}
 
-class ASH_EXPORT DefaultSystemTrayDelegate : public SystemTrayDelegate {
+// Common base class for platform-specific implementations.
+class SystemTrayDelegateCommon : public ash::SystemTrayDelegate,
+                                 public content::NotificationObserver {
  public:
-  DefaultSystemTrayDelegate();
-  virtual ~DefaultSystemTrayDelegate();
+  SystemTrayDelegateCommon();
 
-  // Overridden from SystemTrayDelegate:
+  virtual ~SystemTrayDelegateCommon();
+
+  // Overridden from ash::SystemTrayDelegate:
   virtual void Initialize() override;
   virtual void Shutdown() override;
   virtual bool GetTrayVisibilityOnStartup() override;
-  virtual user::LoginStatus GetUserLoginStatus() const override;
+  virtual ash::user::LoginStatus GetUserLoginStatus() const override;
   virtual void ChangeProfilePicture() override;
   virtual const std::string GetEnterpriseDomain() const override;
   virtual const base::string16 GetEnterpriseMessage() const override;
   virtual const std::string GetSupervisedUserManager() const override;
   virtual const base::string16 GetSupervisedUserManagerName() const override;
   virtual const base::string16 GetSupervisedUserMessage() const override;
   virtual bool IsUserSupervised() const override;
-  virtual void GetSystemUpdateInfo(UpdateInfo* info) const override;
+  virtual void GetSystemUpdateInfo(ash::UpdateInfo* info) const override;
   virtual base::HourClockType GetHourClockType() const override;
   virtual void ShowSettings() override;
   virtual bool ShouldShowSettings() override;
   virtual void ShowDateSettings() override;
   virtual void ShowSetTimeDialog() override;
   virtual void ShowNetworkSettings(const std::string& service_path) override;
   virtual void ShowBluetoothSettings() override;
   virtual void ShowDisplaySettings() override;
   virtual void ShowChromeSlow() override;
   virtual bool ShouldShowDisplayNotification() override;
   virtual void ShowIMESettings() override;
   virtual void ShowHelp() override;
   virtual void ShowAccessibilityHelp() override;
   virtual void ShowAccessibilitySettings() override;
   virtual void ShowPublicAccountInfo() override;
+  virtual void ShowSupervisedUserInfo() override;
   virtual void ShowEnterpriseInfo() override;
-  virtual void ShowSupervisedUserInfo() override;
   virtual void ShowUserLogin() override;
   virtual bool ShowSpringChargerReplacementDialog() override;
   virtual bool IsSpringChargerReplacementDialogVisible() override;
   virtual bool HasUserConfirmedSafeSpringCharger() override;
   virtual void ShutDown() override;
   virtual void SignOut() override;
   virtual void RequestLockScreen() override;
   virtual void RequestRestartForUpdate() override;
-  virtual void GetAvailableBluetoothDevices(BluetoothDeviceList* list) override;
+  virtual void GetAvailableBluetoothDevices(
+      ash::BluetoothDeviceList* list) override;
   virtual void BluetoothStartDiscovering() override;
   virtual void BluetoothStopDiscovering() override;
   virtual void ConnectToBluetoothDevice(const std::string& address) override;
-  virtual void GetCurrentIME(IMEInfo* info) override;
-  virtual void GetAvailableIMEList(IMEInfoList* list) override;
-  virtual void GetCurrentIMEProperties(IMEPropertyInfoList* list) override;
+  virtual bool IsBluetoothDiscovering() override;
+  virtual void GetCurrentIME(ash::IMEInfo* info) override;
+  virtual void GetAvailableIMEList(ash::IMEInfoList* list) override;
+  virtual void GetCurrentIMEProperties(ash::IMEPropertyInfoList* list) override;
   virtual void SwitchIME(const std::string& ime_id) override;
   virtual void ActivateIMEProperty(const std::string& key) override;
   virtual void ShowNetworkConfigure(const std::string& network_id) override;
   virtual bool EnrollNetwork(const std::string& network_id) override;
   virtual void ManageBluetoothDevices() override;
   virtual void ToggleBluetooth() override;
-  virtual bool IsBluetoothDiscovering() override;
   virtual void ShowMobileSimDialog() override;
   virtual void ShowMobileSetupDialog(const std::string& service_path) override;
   virtual void ShowOtherNetworkDialog(const std::string& type) override;
   virtual bool GetBluetoothAvailable() override;
   virtual bool GetBluetoothEnabled() override;
   virtual bool GetBluetoothDiscovering() override;
   virtual void ChangeProxySettings() override;
-  virtual VolumeControlDelegate* GetVolumeControlDelegate() const override;
+  virtual ash::VolumeControlDelegate* GetVolumeControlDelegate() const override;
   virtual void SetVolumeControlDelegate(
-      scoped_ptr<VolumeControlDelegate> delegate) override;
+      scoped_ptr<ash::VolumeControlDelegate> delegate) override;
   virtual bool GetSessionStartTime(
       base::TimeTicks* session_start_time) override;
   virtual bool GetSessionLengthLimit(
       base::TimeDelta* session_length_limit) override;
   virtual int GetSystemTrayMenuWidth() override;
   virtual void ActiveUserWasChanged() override;
   virtual bool IsSearchKeyMappedToCapsLock() override;
-  virtual tray::UserAccountsDelegate* GetUserAccountsDelegate(
+  virtual ash::tray::UserAccountsDelegate* GetUserAccountsDelegate(
       const std::string& user_id) override;
   virtual void AddCustodianInfoTrayObserver(
-      CustodianInfoTrayObserver* observer) override;
+      ash::CustodianInfoTrayObserver* observer) override;
   virtual void RemoveCustodianInfoTrayObserver(
-      CustodianInfoTrayObserver* observer) override;
+      ash::CustodianInfoTrayObserver* observer) override;
 
  private:
-  bool bluetooth_enabled_;
-  scoped_ptr<VolumeControlDelegate> volume_control_delegate_;
+  ash::SystemTrayNotifier* GetSystemTrayNotifier();
 
-  DISALLOW_COPY_AND_ASSIGN(DefaultSystemTrayDelegate);
+  void UpdateClockType();
+
+  // content::NotificationObserver implementation.
+  virtual void Observe(int type,
+                       const content::NotificationSource& source,
+                       const content::NotificationDetails& details) override;
+
+  scoped_ptr<content::NotificationRegistrar> registrar_;
+  base::HourClockType clock_type_;
+
+  DISALLOW_COPY_AND_ASSIGN(SystemTrayDelegateCommon);
 };
 
-}  // namespace ash
-
-#endif  // ASH_SYSTEM_TRAY_DEFAULT_SYSTEM_TRAY_DELEGATE_H_
+#endif  // CHROME_BROWSER_UI_ASH_SYSTEM_TRAY_DELEGATE_COMMON_H_