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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_WIZARD_ACCESSIBILITY_HELPER_H_ | 5 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_WIZARD_ACCESSIBILITY_HELPER_H_ |
6 #define CHROME_BROWSER_CHROMEOS_LOGIN_WIZARD_ACCESSIBILITY_HELPER_H_ | 6 #define CHROME_BROWSER_CHROMEOS_LOGIN_WIZARD_ACCESSIBILITY_HELPER_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include "app/keyboard_codes.h" | 9 #include "base/keyboard_codes.h" |
10 #include "base/scoped_ptr.h" | 10 #include "base/scoped_ptr.h" |
11 #include "base/singleton.h" | 11 #include "base/singleton.h" |
12 #include "chrome/browser/chromeos/login/wizard_accessibility_handler.h" | 12 #include "chrome/browser/chromeos/login/wizard_accessibility_handler.h" |
13 #include "chrome/browser/views/accessible_view_helper.h" | 13 #include "chrome/browser/views/accessible_view_helper.h" |
14 #include "chrome/common/notification_registrar.h" | 14 #include "chrome/common/notification_registrar.h" |
15 | 15 |
16 class Profile; | 16 class Profile; |
17 namespace views { | 17 namespace views { |
18 class View; | 18 class View; |
19 } | 19 } |
20 | 20 |
21 // Class that provides convenience methods to enable accessibility for a | 21 // Class that provides convenience methods to enable accessibility for a |
22 // specified View. | 22 // specified View. |
23 class WizardAccessibilityHelper { | 23 class WizardAccessibilityHelper { |
24 public: | 24 public: |
25 // Get Singleton instance of WizardAccessibilityHelper. | 25 // Get Singleton instance of WizardAccessibilityHelper. |
26 static WizardAccessibilityHelper* GetInstance(); | 26 static WizardAccessibilityHelper* GetInstance(); |
27 | 27 |
28 // Enables Accessibility by setting the accessibility pref and | 28 // Enables Accessibility by setting the accessibility pref and |
29 // registering the specified view_tree to raise UI notifications. | 29 // registering the specified view_tree to raise UI notifications. |
30 void EnableAccessibility(views::View* view_tree, Profile* profile); | 30 void EnableAccessibility(views::View* view_tree, Profile* profile); |
31 | 31 |
32 // Enabled accessibility for the specified view_tree if the | 32 // Enabled accessibility for the specified view_tree if the |
33 // accessibility pref is already set. | 33 // accessibility pref is already set. |
34 void MaybeEnableAccessibility(views::View* view_tree, Profile* profile); | 34 void MaybeEnableAccessibility(views::View* view_tree, Profile* profile); |
35 | 35 |
36 // Keyboard accelerator key to enable accessibility. | 36 // Keyboard accelerator key to enable accessibility. |
37 static const app::KeyboardCode accelerator = app::VKEY_Z; | 37 static const base::KeyboardCode accelerator = base::VKEY_Z; |
38 | 38 |
39 private: | 39 private: |
40 friend struct DefaultSingletonTraits<WizardAccessibilityHelper>; | 40 friend struct DefaultSingletonTraits<WizardAccessibilityHelper>; |
41 WizardAccessibilityHelper(); | 41 WizardAccessibilityHelper(); |
42 ~WizardAccessibilityHelper() {} | 42 ~WizardAccessibilityHelper() {} |
43 | 43 |
44 scoped_ptr<AccessibleViewHelper> accessible_view_helper_; | 44 scoped_ptr<AccessibleViewHelper> accessible_view_helper_; |
45 | 45 |
46 scoped_ptr<WizardAccessibilityHandler> accessibility_handler_; | 46 scoped_ptr<WizardAccessibilityHandler> accessibility_handler_; |
47 | 47 |
48 // Used for tracking registrations to accessibility notifications. | 48 // Used for tracking registrations to accessibility notifications. |
49 NotificationRegistrar registrar_; | 49 NotificationRegistrar registrar_; |
50 | 50 |
51 DISALLOW_COPY_AND_ASSIGN(WizardAccessibilityHelper); | 51 DISALLOW_COPY_AND_ASSIGN(WizardAccessibilityHelper); |
52 }; | 52 }; |
53 | 53 |
54 #endif // CHROME_BROWSER_CHROMEOS_LOGIN_WIZARD_ACCESSIBILITY_HELPER_H_ | 54 #endif // CHROME_BROWSER_CHROMEOS_LOGIN_WIZARD_ACCESSIBILITY_HELPER_H_ |
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