Chrome OS multi-profiles backend and UI.

ash/system/tray/system_tray_delegate.h

 // Copyright (c) 2012 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_SYSTEM_TRAY_DELEGATE_H_
 #define ASH_SYSTEM_TRAY_SYSTEM_TRAY_DELEGATE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 92 matching lines @@
   std::string id;
   base::string16 name;
   base::string16 medium_name;
   base::string16 short_name;
 };
 
 typedef std::vector<IMEInfo> IMEInfoList;
 
 class VolumeControlDelegate;
 
+typedef std::vector<std::string> UserEmailList;
+
 class SystemTrayDelegate {
  public:
   virtual ~SystemTrayDelegate() {}
 
   // Called after SystemTray has been instantiated.
   virtual void Initialize() = 0;
 
   // Called before SystemTray is destroyed.
   virtual void Shutdown() = 0;
 
   // Returns true if system tray should be visible on startup.
   virtual bool GetTrayVisibilityOnStartup() = 0;
 
-  // Gets information about the logged in user.
+  // Gets information about the active user.
   virtual const base::string16 GetUserDisplayName() const = 0;
   virtual const std::string GetUserEmail() const = 0;
   virtual const gfx::ImageSkia& GetUserImage() const = 0;
   virtual user::LoginStatus GetUserLoginStatus() const = 0;
   virtual bool IsOobeCompleted() const = 0;
 
+  // Returns a list of all logged in users.
+  virtual void GetLoggedInUsers(UserEmailList* users) = 0;
+
+  // Switches to another active user (if that user has already signed in).
+  virtual void SwitchActiveUser(const std::string& email) = 0;
+
   // Shows UI for changing user's profile picture.
   virtual void ChangeProfilePicture() = 0;
 
   // Returns the domain that manages the device, if it is enterprise-enrolled.
   virtual const std::string GetEnterpriseDomain() const = 0;
 
   // Returns notification for enterprise enrolled devices.
   virtual const base::string16 GetEnterpriseMessage() const = 0;
 
   // Returns whether a system upgrade is available.
@@ skipping 34 matching lines @@
 
   // Show accessilibity help.
   virtual void ShowAccessibilityHelp() = 0;
 
   // Shows more information about public account mode.
   virtual void ShowPublicAccountInfo() = 0;
 
   // Shows information about enterprise enrolled devices.
   virtual void ShowEnterpriseInfo() = 0;
 
+  // Shows login UI to add other users to this session.
+  virtual void ShowUserLogin() = 0;
+
   // Attempts to shut down the system.
   virtual void ShutDown() = 0;
 
   // Attempts to sign out the user.
   virtual void SignOut() = 0;
 
   // Attempts to lock the screen.
   virtual void RequestLockScreen() = 0;
 
   // Attempts to restart the system.
@@ skipping 154 matching lines @@
   // Speaks the given text if spoken feedback is enabled.
   virtual void MaybeSpeak(const std::string& utterance) const = 0;
 
   // Creates a dummy delegate for testing.
   static SystemTrayDelegate* CreateDummyDelegate();
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_SYSTEM_TRAY_DELEGATE_H_