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

chrome/browser/chromeos/login/screens/app_launch_splash_screen_actor.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_CHROMEOS_LOGIN_SCREENS_APP_LAUNCH_SPLASH_SCREEN_ACTOR_H_
+#define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_APP_LAUNCH_SPLASH_SCREEN_ACTOR_H_
+
+#include "base/strings/string16.h"
+
+namespace chromeos {
+
+// Interface for UI implemenations of the ApplaunchSplashScreen.
+class AppLaunchSplashScreenActor {
+ public:
+  enum AppLaunchState {
+    APP_LAUNCH_STATE_LOADING_AUTH_FILE,
+    APP_LAUNCH_STATE_LOADING_TOKEN_SERVICE,
+    APP_LAUNCH_STATE_PREPARING_NETWORK,
+    APP_LAUNCH_STATE_INSTALLING_APPLICATION,
+  };
+
+  class Delegate {
+   public:
+    virtual void OnConfigureNetwork() = 0;
+    virtual void OnCancelAppLaunch() = 0;
+
+   protected:
+    virtual ~Delegate() {}
+  };
+
+  virtual ~AppLaunchSplashScreenActor() {}
+
+  // Sets screen this actor belongs to.
+  virtual void SetDelegate(Delegate* screen) = 0;
+
+  // Prepare the contents to showing.
+  virtual void PrepareToShow() = 0;
+
+  // Shows the contents of the screen.
+  virtual void Show(const std::string& app_id) = 0;
+
+  // Hides the contents of the screen.
+  virtual void Hide() = 0;
+
+  // Set the current app launch state.
+  virtual void UpdateAppLaunchState(AppLaunchState state) = 0;
+
+  // Sets whether continue control is enabled.
+  virtual void ToggleNetworkConfig(bool visible) = 0;
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_APP_LAUNCH_SPLASH_SCREEN_ACTOR_H_