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1 // Copyright (c) 2012 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 ASH_COMMON_SYSTEM_TRAY_ACCESSIBILITY_H_ | |
6 #define ASH_COMMON_SYSTEM_TRAY_ACCESSIBILITY_H_ | |
7 | |
8 #include <stdint.h> | |
9 | |
10 #include "ash/common/accessibility_delegate.h" | |
11 #include "ash/common/shell_observer.h" | |
12 #include "ash/common/system/accessibility_observer.h" | |
13 #include "ash/common/system/tray/tray_details_view.h" | |
14 #include "ash/common/system/tray/tray_image_item.h" | |
15 #include "ash/common/system/tray/tray_notification_view.h" | |
16 #include "base/macros.h" | |
17 #include "ui/gfx/font.h" | |
18 #include "ui/views/controls/button/button.h" | |
19 | |
20 namespace chromeos { | |
21 class TrayAccessibilityTest; | |
22 } | |
23 | |
24 namespace gfx { | |
25 struct VectorIcon; | |
26 } | |
27 | |
28 namespace views { | |
29 class Button; | |
30 class CustomButton; | |
31 class Label; | |
32 class View; | |
33 } | |
34 | |
35 namespace ash { | |
36 class HoverHighlightView; | |
37 class SystemTrayItem; | |
38 | |
39 namespace tray { | |
40 | |
41 class AccessibilityPopupView : public TrayNotificationView { | |
42 public: | |
43 explicit AccessibilityPopupView(uint32_t enabled_state_bits); | |
44 | |
45 const views::Label* label_for_test() const { return label_; } | |
46 | |
47 private: | |
48 views::Label* CreateLabel(uint32_t enabled_state_bits); | |
49 | |
50 views::Label* label_; | |
51 | |
52 DISALLOW_COPY_AND_ASSIGN(AccessibilityPopupView); | |
53 }; | |
54 | |
55 // Create the detailed view of accessibility tray. | |
56 class AccessibilityDetailedView : public TrayDetailsView, | |
57 public ShellObserver { | |
58 public: | |
59 AccessibilityDetailedView(SystemTrayItem* owner, LoginStatus login); | |
60 ~AccessibilityDetailedView() override {} | |
61 | |
62 private: | |
63 // TrayDetailsView: | |
64 void HandleViewClicked(views::View* view) override; | |
65 void HandleButtonPressed(views::Button* sender, | |
66 const ui::Event& event) override; | |
67 void CreateExtraTitleRowButtons() override; | |
68 | |
69 // Launches the WebUI settings in a browser and closes the system menu. | |
70 void ShowSettings(); | |
71 | |
72 // Launches the a11y help article in a browser and closes the system menu. | |
73 void ShowHelp(); | |
74 | |
75 // Add the accessibility feature list. | |
76 void AppendAccessibilityList(); | |
77 | |
78 // Helper function to create entries in the detailed accessibility view. | |
79 HoverHighlightView* AddScrollListItem(const base::string16& text, | |
80 bool highlight, | |
81 bool checked, | |
82 const gfx::VectorIcon& icon); | |
83 | |
84 views::View* spoken_feedback_view_; | |
85 views::View* high_contrast_view_; | |
86 views::View* screen_magnifier_view_; | |
87 views::View* large_cursor_view_; | |
88 views::CustomButton* help_view_; | |
89 views::CustomButton* settings_view_; | |
90 views::View* autoclick_view_; | |
91 views::View* virtual_keyboard_view_; | |
92 | |
93 bool spoken_feedback_enabled_; | |
94 bool high_contrast_enabled_; | |
95 bool screen_magnifier_enabled_; | |
96 bool large_cursor_enabled_; | |
97 bool autoclick_enabled_; | |
98 bool virtual_keyboard_enabled_; | |
99 LoginStatus login_; | |
100 | |
101 friend class chromeos::TrayAccessibilityTest; | |
102 DISALLOW_COPY_AND_ASSIGN(AccessibilityDetailedView); | |
103 }; | |
104 | |
105 } // namespace tray | |
106 | |
107 class TrayAccessibility : public TrayImageItem, public AccessibilityObserver { | |
108 public: | |
109 explicit TrayAccessibility(SystemTray* system_tray); | |
110 ~TrayAccessibility() override; | |
111 | |
112 private: | |
113 void SetTrayIconVisible(bool visible); | |
114 tray::AccessibilityDetailedView* CreateDetailedMenu(); | |
115 | |
116 // Overridden from TrayImageItem. | |
117 bool GetInitialVisibility() override; | |
118 views::View* CreateDefaultView(LoginStatus status) override; | |
119 views::View* CreateDetailedView(LoginStatus status) override; | |
120 void DestroyDefaultView() override; | |
121 void DestroyDetailedView() override; | |
122 void UpdateAfterLoginStatusChange(LoginStatus status) override; | |
123 | |
124 // Overridden from AccessibilityObserver. | |
125 void OnAccessibilityModeChanged( | |
126 AccessibilityNotificationVisibility notify) override; | |
127 | |
128 views::View* default_; | |
129 tray::AccessibilityPopupView* detailed_popup_; | |
130 tray::AccessibilityDetailedView* detailed_menu_; | |
131 | |
132 // Bitmap of fvalues from AccessibilityState. Can contain any or | |
133 // both of A11Y_SPOKEN_FEEDBACK A11Y_BRAILLE_DISPLAY_CONNECTED. | |
134 uint32_t request_popup_view_state_; | |
135 | |
136 bool tray_icon_visible_; | |
137 LoginStatus login_; | |
138 | |
139 // Bitmap of values from AccessibilityState enum. | |
140 uint32_t previous_accessibility_state_; | |
141 | |
142 // A11y feature status on just entering the lock screen. | |
143 bool show_a11y_menu_on_lock_screen_; | |
144 | |
145 friend class chromeos::TrayAccessibilityTest; | |
146 DISALLOW_COPY_AND_ASSIGN(TrayAccessibility); | |
147 }; | |
148 | |
149 } // namespace ash | |
150 | |
151 #endif // ASH_COMMON_SYSTEM_TRAY_ACCESSIBILITY_H_ | |
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