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      1 // Copyright (c) 2012 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_USER_IMAGE_SCREEN_HANDLER_H_
      6 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_USER_IMAGE_SCREEN_HANDLER_H_
      7 
      8 #include <string>
      9 
     10 #include "base/memory/weak_ptr.h"
     11 #include "base/time/time.h"
     12 #include "chrome/browser/chromeos/login/screens/user_image_screen_actor.h"
     13 #include "chrome/browser/ui/webui/chromeos/login/base_screen_handler.h"
     14 #include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
     15 #include "ui/gfx/image/image_skia.h"
     16 #include "ui/gfx/native_widget_types.h"
     17 
     18 namespace chromeos {
     19 
     20 // WebUI implementation of UserImageScreenActor. It is used to interact
     21 // with JS page part allowing user to select avatar.
     22 class UserImageScreenHandler : public UserImageScreenActor,
     23                                public BaseScreenHandler {
     24  public:
     25   UserImageScreenHandler();
     26   virtual ~UserImageScreenHandler();
     27 
     28   // BaseScreenHandler implementation:
     29   virtual void Initialize() OVERRIDE;
     30   virtual void DeclareLocalizedValues(LocalizedValuesBuilder* builder) OVERRIDE;
     31 
     32   // WebUIMessageHandler implementation:
     33   virtual void RegisterMessages() OVERRIDE;
     34 
     35   // UserImageScreenActor implementation:
     36   virtual void SetDelegate(
     37       UserImageScreenActor::Delegate* screen) OVERRIDE;
     38   virtual void Show() OVERRIDE;
     39   virtual void Hide() OVERRIDE;
     40   virtual void PrepareToShow() OVERRIDE;
     41 
     42   virtual void SelectImage(int index) OVERRIDE;
     43   virtual void SendProfileImage(const std::string& data_url) OVERRIDE;
     44   virtual void OnProfileImageAbsent() OVERRIDE;
     45 
     46   virtual void SetProfilePictureEnabled(bool enabled) OVERRIDE;
     47 
     48   virtual void SetCameraPresent(bool enabled) OVERRIDE;
     49 
     50   virtual void HideCurtain() OVERRIDE;
     51 
     52  private:
     53 
     54   // Sends image data to the page.
     55   void HandleGetImages();
     56 
     57   // Screen ready to be shown.
     58   void HandleScreenReady();
     59 
     60   // Handles photo taken with WebRTC UI.
     61   void HandlePhotoTaken(const std::string& image_url);
     62 
     63   // Handles camera presence check request.
     64   void HandleCheckCameraPresence();
     65 
     66   // Handles clicking on default user image.
     67   void HandleSelectImage(const std::string& image_url,
     68                          const std::string& image_type,
     69                          bool is_user_selection);
     70 
     71   // Called when user accept the image closing the screen.
     72   void HandleImageAccepted();
     73 
     74   // Called when the user image screen has been loaded and shown.
     75   void HandleScreenShown();
     76 
     77   UserImageScreenActor::Delegate* screen_;
     78 
     79   // Keeps whether screen should be shown right after initialization.
     80   bool show_on_init_;
     81 
     82   // Keeps whether screen has loaded all default images and redy to be shown.
     83   bool is_ready_;
     84 
     85   base::Time screen_show_time_;
     86 
     87   DISALLOW_COPY_AND_ASSIGN(UserImageScreenHandler);
     88 };
     89 
     90 }  // namespace chromeos
     91 
     92 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_USER_IMAGE_SCREEN_HANDLER_H_
     93