user_image_screen_actor.h revision c2e0dbddbe15c98d52c4786dac06cb8952a8ae6d 
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 user accepts photo as login user image.
27    virtual void OnPhotoTaken(const std::string& raw_data) = 0;
28    // Called to check camera presence.
29    virtual void CheckCameraPresence() = 0;
30    // Called when user selects some image
31    virtual void OnImageSelected(const std::string& image_url,
32                                 const std::string& image_type) = 0;
33    // Called when user accepts currently selected image
34    virtual void OnImageAccepted() = 0;
35
36    // Called when actor is destroyed so there's no dead reference to it.
37    virtual void OnActorDestroyed(UserImageScreenActor* actor) = 0;
38
39    virtual bool profile_picture_absent() = 0;
40    virtual int selected_image() = 0;
41    virtual std::string profile_picture_data_url() = 0;
42
43  };
44
45  virtual ~UserImageScreenActor() {}
46
47  // Sets screen this actor belongs to.
48  virtual void SetDelegate(Delegate* screen) = 0;
49
50  // Prepare the contents to showing.
51  virtual void PrepareToShow() = 0;
52
53  // Shows the contents of the screen.
54  virtual void Show() = 0;
55
56  // Hides the contents of the screen.
57  virtual void Hide() = 0;
58
59  // Selects image with the index specified.
60  virtual void SelectImage(int index) = 0;
61
62  // Sends profile image as a data URL to the page.
63  virtual void SendProfileImage(const std::string& data_url) = 0;
64
65  // Indicates that there is no custom profile image for the user.
66  virtual void OnProfileImageAbsent() = 0;
67
68  // Enables or disables profile picture.
69  virtual void SetProfilePictureEnabled(bool enabled) = 0;
70
71  // Sends result of camera check
72  virtual void SetCameraPresent(bool enabled) = 0;
73};
74
75}  // namespace chromeos
76
77#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_USER_IMAGE_SCREEN_ACTOR_H_
78