ash uber tray: Add a tray item for the user.

chrome/browser/chromeos/system/ash_system_tray_delegate.cc

 // 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.
 
 #include "chrome/browser/chromeos/system/ash_system_tray_delegate.h"
 
 #include "ash/shell.h"
 #include "ash/system/audio/audio_controller.h"
 #include "ash/system/brightness/brightness_controller.h"
 #include "ash/system/tray/system_tray.h"
 #include "ash/system/tray/system_tray_delegate.h"
 #include "base/logging.h"
 #include "chrome/browser/chromeos/audio/audio_handler.h"
 #include "chrome/browser/chromeos/dbus/dbus_thread_manager.h"
 #include "chrome/browser/chromeos/dbus/power_manager_client.h"
+#include "chrome/browser/chromeos/login/user.h"
+#include "chrome/browser/chromeos/login/user_manager.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
 
 namespace chromeos {
 
 namespace {
 
 class SystemTrayDelegate : public ash::SystemTrayDelegate,
                            public AudioHandler::VolumeObserver,
                            public PowerManagerClient::Observer {
  public:
   explicit SystemTrayDelegate(ash::SystemTray* tray) : tray_(tray) {
     AudioHandler::GetInstance()->AddVolumeObserver(this);
     DBusThreadManager::Get()->GetPowerManagerClient()->AddObserver(this);
   }
 
   virtual ~SystemTrayDelegate() {
     AudioHandler::GetInstance()->RemoveVolumeObserver(this);
     DBusThreadManager::Get()->GetPowerManagerClient()->RemoveObserver(this);
   }
 
   // Overridden from ash::SystemTrayDelegate.
+  virtual const std::string GetUserDisplayName() OVERRIDE {
+    return UserManager::Get()->logged_in_user().GetDisplayName();
+  }
+
+  virtual const std::string GetUserEmail() OVERRIDE {
+    return UserManager::Get()->logged_in_user().email();
+  }
+
+  virtual const SkBitmap& GetUserImage() OVERRIDE {
+    return UserManager::Get()->logged_in_user().image();
+  }
+
   virtual void ShowSettings() OVERRIDE {
     BrowserList::GetLastActive()->OpenOptionsDialog();
   }
 
   virtual void ShowHelp() OVERRIDE {
     BrowserList::GetLastActive()->ShowHelpTab();
   }
 
   virtual bool IsAudioMuted() const OVERRIDE {
     return AudioHandler::GetInstance()->IsMuted();
   }
 
   virtual void SetAudioMuted(bool muted) OVERRIDE {
     return AudioHandler::GetInstance()->SetMuted(muted);
   }
 
   virtual float GetVolumeLevel() const OVERRIDE {
     return AudioHandler::GetInstance()->GetVolumePercent() / 100.f;
   }
 
   virtual void SetVolumeLevel(float level) OVERRIDE {
     AudioHandler::GetInstance()->SetVolumePercent(level * 100.f);
   }
 
+  virtual void ShutDown() OVERRIDE {
+    DBusThreadManager::Get()->GetPowerManagerClient()->RequestShutdown();
+  }
+
+  virtual void SignOut() OVERRIDE {
+    BrowserList::AttemptUserExit();
+  }
+
+  virtual void LockScreen() OVERRIDE {
+    DBusThreadManager::Get()->GetPowerManagerClient()->
+        NotifyScreenLockRequested();
+  }
+
  private:
   ash::SystemTray* tray_;
 
   // Overridden from AudioHandler::VolumeObserver.
   virtual void OnVolumeChanged() OVERRIDE {
     float level = AudioHandler::GetInstance()->GetVolumePercent() / 100.f;
     ash::Shell::GetInstance()->audio_controller()->
         OnVolumeChanged(level);
   }
 
   // Overridden from PowerManagerClient::Observer.
   virtual void BrightnessChanged(int level, bool user_initiated) OVERRIDE {
     ash::Shell::GetInstance()->brightness_controller()->
         OnBrightnessChanged(level / 100.f, user_initiated);
   }
 
   // TODO(sad): Override more from PowerManagerClient::Observer here (e.g.
   // PowerChanged, PowerButtonStateChanged etc.).
 
   DISALLOW_COPY_AND_ASSIGN(SystemTrayDelegate);
 };
 
 }  // namespace
 
 ash::SystemTrayDelegate* CreateSystemTrayDelegate(ash::SystemTray* tray) {
   return new chromeos::SystemTrayDelegate(tray);
 }
 
 }  // namespace chromeos