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1 // Copyright (c) 2010 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_USER_IMAGE_VIEW_H_ | |
6 #define CHROME_BROWSER_CHROMEOS_LOGIN_USER_IMAGE_VIEW_H_ | |
7 | |
8 #include "views/controls/button/button.h" | |
9 #include "views/view.h" | |
10 | |
11 class SkBitmap; | |
12 | |
13 namespace views { | |
14 class ImageView; | |
15 class Label; | |
16 class NativeButton; | |
17 class ImageButton; | |
18 } // namespace views | |
19 | |
20 namespace chromeos { | |
21 | |
22 // View used for selecting user image. | |
23 class UserImageView : public views::View, | |
24 public views::ButtonListener { | |
25 public: | |
26 // Delegate class to get notifications from the view. | |
27 class Delegate { | |
28 public: | |
29 virtual ~Delegate() {} | |
30 | |
31 // Called if user accepts the selected image. The image is passed as a | |
32 // parameter. | |
33 virtual void OnOK(const SkBitmap& image) = 0; | |
34 | |
35 // Called if user decides to skip image selection screen. | |
36 virtual void OnCancel() = 0; | |
37 }; | |
38 | |
39 explicit UserImageView(Delegate* delegate); | |
40 virtual ~UserImageView(); | |
41 | |
42 // Initialize view layout. | |
43 void Init(); | |
44 | |
45 // Update strings from the resources. Executed on language change. | |
46 void UpdateLocalizedStrings(); | |
47 | |
48 // Updates snapshot from camera on camera image view. | |
49 void UpdateVideoFrame(const SkBitmap& frame); | |
50 | |
51 // Called when user left-clicks video image control. | |
52 void OnVideoImageClicked(); | |
53 | |
54 // Overridden from views::View: | |
55 virtual gfx::Size GetPreferredSize(); | |
56 virtual void Layout(); | |
57 | |
58 // Overridden from views::ButtonListener. | |
59 virtual void ButtonPressed(views::Button* sender, const views::Event& event); | |
60 | |
61 protected: | |
62 // views::View overrides: | |
63 virtual void LocaleChanged(); | |
64 | |
65 private: | |
66 // Delete and recreate native controls that fail to update preferred size | |
67 // after string update. | |
68 void RecreateNativeControls(); | |
69 | |
70 views::Label* title_label_; | |
71 views::NativeButton* ok_button_; | |
72 views::NativeButton* cancel_button_; | |
73 views::ImageButton* video_button_; | |
74 views::ImageView* selected_image_; | |
75 | |
76 // Notifications receiver. | |
77 Delegate* delegate_; | |
78 | |
79 // Indicates that some image was selected and OK can be pressed. | |
80 bool image_selected_; | |
81 | |
82 // Last frame that was received from the camera in its original resolution. | |
83 scoped_ptr<SkBitmap> last_frame_; | |
84 | |
85 DISALLOW_COPY_AND_ASSIGN(UserImageView); | |
86 }; | |
87 | |
88 } // namespace chromeos | |
89 | |
90 #endif // CHROME_BROWSER_CHROMEOS_LOGIN_USER_IMAGE_VIEW_H_ | |
91 | |
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