user_image_screen_actor.h revision 6e8cce623b6e4fe0c9e4af605d675dd9d0338c38 
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
10class SkBitmap;
11
12namespace gfx {
13class ImageSkia;
14}
15
16namespace chromeos {
17
18// Interface for dependency injection between UserImageScreen and its actual
19// representation, either views based or WebUI.
20class 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
31    // Called when some image was selected. |is_user_selection| indicates if
32    // it was user selection or image was selected programmatically.
33    virtual void OnImageSelected(const std::string& image_url,
34                                 const std::string& image_type,
35                                 bool is_user_selection) = 0;
36    // Called when user accepts currently selected image
37    virtual void OnImageAccepted() = 0;
38
39    // Called when actor is destroyed so there's no dead reference to it.
40    virtual void OnActorDestroyed(UserImageScreenActor* actor) = 0;
41
42    virtual bool profile_picture_absent() = 0;
43    virtual int selected_image() = 0;
44    virtual std::string profile_picture_data_url() = 0;
45
46  };
47
48  virtual ~UserImageScreenActor() {}
49
50  // Sets screen this actor belongs to.
51  virtual void SetDelegate(Delegate* screen) = 0;
52
53  // Prepare the contents to showing.
54  virtual void PrepareToShow() = 0;
55
56  // Shows the contents of the screen.
57  virtual void Show() = 0;
58
59  // Hides the contents of the screen.
60  virtual void Hide() = 0;
61
62  // Selects image with the index specified.
63  virtual void SelectImage(int index) = 0;
64
65  // Sends profile image as a data URL to the page.
66  virtual void SendProfileImage(const std::string& data_url) = 0;
67
68  // Indicates that there is no custom profile image for the user.
69  virtual void OnProfileImageAbsent() = 0;
70
71  // Sends result of camera check
72  virtual void SetCameraPresent(bool enabled) = 0;
73
74  // Hides curtain with spinner.
75  virtual void HideCurtain() = 0;
76};
77
78}  // namespace chromeos
79
80#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_USER_IMAGE_SCREEN_ACTOR_H_
81