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

   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_