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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_APP_LAUNCH_SPLASH_SCREEN_HANDLER_H_
      6 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_APP_LAUNCH_SPLASH_SCREEN_HANDLER_H_
      7 
      8 #include <set>
      9 #include <string>
     10 
     11 #include "chrome/browser/chromeos/login/screens/app_launch_splash_screen_actor.h"
     12 #include "chrome/browser/ui/webui/chromeos/login/base_screen_handler.h"
     13 #include "chrome/browser/ui/webui/chromeos/login/network_state_informer.h"
     14 
     15 namespace chromeos {
     16 
     17 class ErrorScreenActor;
     18 
     19 // A class that handles the WebUI hooks for the app launch splash screen.
     20 class AppLaunchSplashScreenHandler
     21     : public BaseScreenHandler,
     22       public AppLaunchSplashScreenActor,
     23       public NetworkStateInformer::NetworkStateInformerObserver {
     24  public:
     25   AppLaunchSplashScreenHandler(
     26       const scoped_refptr<NetworkStateInformer>& network_state_informer,
     27       ErrorScreenActor* error_screen_actor);
     28   virtual ~AppLaunchSplashScreenHandler();
     29 
     30   // BaseScreenHandler implementation:
     31   virtual void DeclareLocalizedValues(LocalizedValuesBuilder* builder) OVERRIDE;
     32   virtual void Initialize() OVERRIDE;
     33 
     34   // WebUIMessageHandler implementation:
     35   virtual void RegisterMessages() OVERRIDE;
     36 
     37   // AppLaunchSplashScreenActor implementation:
     38   virtual void Show(const std::string& app_id) OVERRIDE;
     39   virtual void PrepareToShow() OVERRIDE;
     40   virtual void Hide() OVERRIDE;
     41   virtual void ToggleNetworkConfig(bool visible) OVERRIDE;
     42   virtual void UpdateAppLaunchState(AppLaunchState state) OVERRIDE;
     43   virtual void SetDelegate(
     44       AppLaunchSplashScreenHandler::Delegate* delegate) OVERRIDE;
     45   virtual void ShowNetworkConfigureUI() OVERRIDE;
     46   virtual bool IsNetworkReady() OVERRIDE;
     47 
     48   // NetworkStateInformer::NetworkStateInformerObserver implementation:
     49   virtual void OnNetworkReady() OVERRIDE;
     50   virtual void UpdateState(ErrorScreenActor::ErrorReason reason) OVERRIDE;
     51 
     52  private:
     53   void PopulateAppInfo(base::DictionaryValue* out_info);
     54   void SetLaunchText(const std::string& text);
     55   int GetProgressMessageFromState(AppLaunchState state);
     56   void HandleConfigureNetwork();
     57   void HandleCancelAppLaunch();
     58   void HandleContinueAppLaunch();
     59   void HandleNetworkConfigRequested();
     60 
     61   AppLaunchSplashScreenHandler::Delegate* delegate_;
     62   bool show_on_init_;
     63   std::string app_id_;
     64   AppLaunchState state_;
     65 
     66   scoped_refptr<NetworkStateInformer> network_state_informer_;
     67   ErrorScreenActor* error_screen_actor_;
     68   // True if we are online.
     69   bool online_state_;
     70   // True if we have network config screen was already shown before.
     71   bool network_config_done_;
     72   // True if we have manually requested network config screen.
     73   bool network_config_requested_;
     74 
     75   DISALLOW_COPY_AND_ASSIGN(AppLaunchSplashScreenHandler);
     76 };
     77 
     78 }  // namespace chromeos
     79 
     80 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_APP_LAUNCH_SPLASH_SCREEN_HANDLER_H_
     81