chrome/browser/chromeos/login/screens/user_image_screen_actor.h

   1 // Copyright (c) 2011 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_CHROMEOS_LOGIN_SCREENS_USER_IMAGE_SCREEN_ACTOR_H_
   6 #define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_USER_IMAGE_SCREEN_ACTOR_H_
   7
   8 #include <string>
   9
  10 class SkBitmap;
  11
  12 namespace gfx {
  13 class ImageSkia;
  14 }
  15
  16 namespace chromeos {
  17
  18 // Interface for dependency injection between UserImageScreen and its actual
  19 // representation, either views based or WebUI.
  20 class UserImageScreenActor {
  21  public:
  22   class Delegate {
  23    public:
  24     virtual ~Delegate() {}
  25
  26     // Called when UI ready to be shown.
  27     virtual void OnScreenReady() = 0;
  28     // Called when user accepts photo as login user image.
  29     virtual void OnPhotoTaken(const std::string& raw_data) = 0;
  30     // Called to check camera presence.
  31     virtual void CheckCameraPresence() = 0;
  32     // Called when some image was selected. |is_user_selection| indicates if
  33     // it was user selection or image was selected programmatically.
  34     virtual void OnImageSelected(const std::string& image_url,
  35                                  const std::string& image_type,
  36                                  bool is_user_selection) = 0;
  37     // Called when user accepts currently selected image
  38     virtual void OnImageAccepted() = 0;
  39
  40     // Called when actor is destroyed so there's no dead reference to it.
  41     virtual void OnActorDestroyed(UserImageScreenActor* actor) = 0;
  42
  43     virtual bool profile_picture_absent() = 0;
  44     virtual int selected_image() = 0;
  45     virtual std::string profile_picture_data_url() = 0;
  46
  47   };
  48
  49   virtual ~UserImageScreenActor() {}
  50
  51   // Sets screen this actor belongs to.
  52   virtual void SetDelegate(Delegate* screen) = 0;
  53
  54   // Prepare the contents to showing.
  55   virtual void PrepareToShow() = 0;
  56
  57   // Shows the contents of the screen.
  58   virtual void Show() = 0;
  59
  60   // Hides the contents of the screen.
  61   virtual void Hide() = 0;
  62
  63   // Selects image with the index specified.
  64   virtual void SelectImage(int index) = 0;
  65
  66   // Sends profile image as a data URL to the page.
  67   virtual void SendProfileImage(const std::string& data_url) = 0;
  68
  69   // Indicates that there is no custom profile image for the user.
  70   virtual void OnProfileImageAbsent() = 0;
  71
  72   // Enables or disables profile picture.
  73   virtual void SetProfilePictureEnabled(bool enabled) = 0;
  74
  75   // Sends result of camera check
  76   virtual void SetCameraPresent(bool enabled) = 0;
  77
  78   // Hides curtain with spinner.
  79   virtual void HideCurtain() = 0;
  80 };
  81
  82 }  // namespace chromeos
  83
  84 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_USER_IMAGE_SCREEN_ACTOR_H_