Refactor kiosk app launch to be part of login screen UI flow.

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

+// Copyright 2013 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_APP_LAUNCH_SPLASH_SCREEN_HANDLER_H_
+#define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_APP_LAUNCH_SPLASH_SCREEN_HANDLER_H_
+
+#include <set>
+#include <string>
+
+#include "chrome/browser/chromeos/login/screens/app_launch_splash_screen_actor.h"
+#include "chrome/browser/ui/webui/chromeos/login/base_screen_handler.h"
+
+namespace chromeos {
+
+// A class that handles the WebUI hooks for the app launch splash screen.
+class AppLaunchSplashScreenHandler : public BaseScreenHandler,
+                                     public AppLaunchSplashScreenActor {
+ public:
+  AppLaunchSplashScreenHandler();
+  virtual ~AppLaunchSplashScreenHandler();
+
+  // BaseScreenHandler implementation:
+  virtual void DeclareLocalizedValues(LocalizedValuesBuilder* builder) OVERRIDE;
+  virtual void Initialize() OVERRIDE;
+
+  // WebUIMessageHandler implementation:
+  virtual void RegisterMessages() OVERRIDE;
+
+  // AppLaunchSplashScreenActor implementation:
+  virtual void Show(const std::string& app_id) OVERRIDE;
+  virtual void PrepareToShow() OVERRIDE;
+  virtual void Hide() OVERRIDE;
+  virtual void ToggleNetworkConfig(bool visible) OVERRIDE;
+  virtual void UpdateAppLaunchState(AppLaunchState state) OVERRIDE;
+  virtual void SetDelegate(AppLaunchSplashScreenHandler::Delegate* delegate) OVERRIDE;

[xiyuan, 2013/08/19 17:40:29]

nit: wrap at 80 char col. In this case, we might need to wrap like this because
we don't want to put OVERRIDE on a line just by itself:
virtual void SetDelegate(
    AppLaunchSplashScreenHandler::Delegate* delegate) OVERRIDE;

[Tim Song, 2013/08/19 20:05:07]

Done.

+
+ private:
+  void PopulateAppInfo(base::DictionaryValue* out_info);
+  void SetLaunchText(const std::string& text);
+  int GetProgressMessageFromState(AppLaunchState state);
+  void HandleConfigureNetwork();
+  void HandleCancelAppLaunch();
+
+  AppLaunchSplashScreenHandler::Delegate* delegate_;
+  bool show_on_init_;
+  std::string app_id_;
+  AppLaunchState state_;
+
+  DISALLOW_COPY_AND_ASSIGN(AppLaunchSplashScreenHandler);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_APP_LAUNCH_SPLASH_SCREEN_HANDLER_H_