Initial implementation of network screen WebUI handler.

chrome/browser/ui/webui/chromeos/login/network_screen_handler.h

+// Copyright (c) 2011 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 CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_NETWORK_SCREEN_HANDLER_H_
+#define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_NETWORK_SCREEN_HANDLER_H_
+#pragma once
+
+#include "chrome/browser/chromeos/login/network_screen_actor.h"
+#include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
+#include "content/browser/webui/web_ui.h"
+
+class ListValue;
+
+namespace chromeos {
+
+// WebUI implementation of NetworkScreenActor. It is used to interact with
+// the welcome screen (part of the page) of the OOBE.
+class NetworkScreenHandler : public NetworkScreenActor,
+                             public OobeMessageHandler {
+ public:
+  NetworkScreenHandler();
+  virtual ~NetworkScreenHandler();
+
+  // NetworkScreenActor implementation:
+  virtual void SetDelegate(NetworkScreenActor::Delegate* screen);
+  virtual void PrepareToShow();
+  virtual void Show();
+  virtual void Hide();
+  virtual void ShowError(const string16& message);
+  virtual void ClearErrors();
+  virtual void ShowConnectingStatus(bool connecting,
+                                    const string16& network_id);
+  virtual void EnableContinue(bool enabled);
+
+  // OobeMessageHandler implementation:
+  virtual void GetLocalizedSettings(DictionaryValue* localized_strings);
+  virtual void Initialize();
+
+  // WebUIMessageHandler implementation:
+  virtual void RegisterMessages();
+
+ private:
+  // Handles moving off the screen.
+  void OnExit(const ListValue* args);
+
+  NetworkScreenActor::Delegate* screen_;
+
+  DISALLOW_COPY_AND_ASSIGN(NetworkScreenHandler);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_NETWORK_SCREEN_HANDLER_H_