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Side by Side Diff: components/exo/wm_helper.h

Issue 2407303003: exo: Use WMHelper to access ash accessibility related features. (Closed)
Patch Set: Fix compile errors. Created 4 years, 2 months ago
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1 // Copyright 2016 The Chromium Authors. All rights reserved. 1 // Copyright 2016 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 COMPONENTS_EXO_WM_HELPER_H_ 5 #ifndef COMPONENTS_EXO_WM_HELPER_H_
6 #define COMPONENTS_EXO_WM_HELPER_H_ 6 #define COMPONENTS_EXO_WM_HELPER_H_
7 7
8 #include "base/macros.h" 8 #include "base/macros.h"
9 #include "base/observer_list.h" 9 #include "base/observer_list.h"
10 #include "ui/base/cursor/cursor.h" 10 #include "ui/base/cursor/cursor.h"
(...skipping 44 matching lines...) Expand 10 before | Expand all | Expand 10 after
55 55
56 class MaximizeModeObserver { 56 class MaximizeModeObserver {
57 public: 57 public:
58 virtual void OnMaximizeModeStarted() = 0; 58 virtual void OnMaximizeModeStarted() = 0;
59 virtual void OnMaximizeModeEnded() = 0; 59 virtual void OnMaximizeModeEnded() = 0;
60 60
61 protected: 61 protected:
62 virtual ~MaximizeModeObserver() {} 62 virtual ~MaximizeModeObserver() {}
63 }; 63 };
64 64
65 class AccessibilityObserver {
66 public:
67 virtual void OnAccessibilityModeChanged() = 0;
68
69 protected:
70 virtual ~AccessibilityObserver() {}
71 };
72
65 virtual ~WMHelper(); 73 virtual ~WMHelper();
66 74
67 static void SetInstance(WMHelper* helper); 75 static void SetInstance(WMHelper* helper);
68 static WMHelper* GetInstance(); 76 static WMHelper* GetInstance();
69 77
70 void AddActivationObserver(ActivationObserver* observer); 78 void AddActivationObserver(ActivationObserver* observer);
71 void RemoveActivationObserver(ActivationObserver* observer); 79 void RemoveActivationObserver(ActivationObserver* observer);
72 void AddFocusObserver(FocusObserver* observer); 80 void AddFocusObserver(FocusObserver* observer);
73 void RemoveFocusObserver(FocusObserver* observer); 81 void RemoveFocusObserver(FocusObserver* observer);
74 void AddCursorObserver(CursorObserver* observer); 82 void AddCursorObserver(CursorObserver* observer);
75 void RemoveCursorObserver(CursorObserver* observer); 83 void RemoveCursorObserver(CursorObserver* observer);
76 void AddMaximizeModeObserver(MaximizeModeObserver* observer); 84 void AddMaximizeModeObserver(MaximizeModeObserver* observer);
77 void RemoveMaximizeModeObserver(MaximizeModeObserver* observer); 85 void RemoveMaximizeModeObserver(MaximizeModeObserver* observer);
86 void AddAccessibilityObserver(AccessibilityObserver* observer);
87 void RemoveAccessibilityObserver(AccessibilityObserver* observer);
78 88
79 virtual const display::ManagedDisplayInfo GetDisplayInfo( 89 virtual const display::ManagedDisplayInfo GetDisplayInfo(
80 int64_t display_id) const = 0; 90 int64_t display_id) const = 0;
81 virtual aura::Window* GetContainer(int container_id) = 0; 91 virtual aura::Window* GetContainer(int container_id) = 0;
82 virtual aura::Window* GetActiveWindow() const = 0; 92 virtual aura::Window* GetActiveWindow() const = 0;
83 virtual aura::Window* GetFocusedWindow() const = 0; 93 virtual aura::Window* GetFocusedWindow() const = 0;
84 virtual ui::CursorSetType GetCursorSet() const = 0; 94 virtual ui::CursorSetType GetCursorSet() const = 0;
85 virtual void AddPreTargetHandler(ui::EventHandler* handler) = 0; 95 virtual void AddPreTargetHandler(ui::EventHandler* handler) = 0;
86 virtual void PrependPreTargetHandler(ui::EventHandler* handler) = 0; 96 virtual void PrependPreTargetHandler(ui::EventHandler* handler) = 0;
87 virtual void RemovePreTargetHandler(ui::EventHandler* handler) = 0; 97 virtual void RemovePreTargetHandler(ui::EventHandler* handler) = 0;
88 virtual void AddPostTargetHandler(ui::EventHandler* handler) = 0; 98 virtual void AddPostTargetHandler(ui::EventHandler* handler) = 0;
89 virtual void RemovePostTargetHandler(ui::EventHandler* handler) = 0; 99 virtual void RemovePostTargetHandler(ui::EventHandler* handler) = 0;
90 virtual bool IsMaximizeModeWindowManagerEnabled() const = 0; 100 virtual bool IsMaximizeModeWindowManagerEnabled() const = 0;
101 virtual bool IsSpokenFeedbackEnabled() const = 0;
102 virtual void PlayEarcon(int sound_key) const = 0;
91 103
92 protected: 104 protected:
93 WMHelper(); 105 WMHelper();
94 106
95 void NotifyWindowActivated(aura::Window* gained_active, 107 void NotifyWindowActivated(aura::Window* gained_active,
96 aura::Window* lost_active); 108 aura::Window* lost_active);
97 void NotifyWindowFocused(aura::Window* gained_focus, 109 void NotifyWindowFocused(aura::Window* gained_focus,
98 aura::Window* lost_focus); 110 aura::Window* lost_focus);
99 void NotifyCursorVisibilityChanged(bool is_visible); 111 void NotifyCursorVisibilityChanged(bool is_visible);
100 void NotifyCursorSetChanged(ui::CursorSetType cursor_set); 112 void NotifyCursorSetChanged(ui::CursorSetType cursor_set);
101 void NotifyMaximizeModeStarted(); 113 void NotifyMaximizeModeStarted();
102 void NotifyMaximizeModeEnded(); 114 void NotifyMaximizeModeEnded();
115 void NotifyAccessibilityModeChanged();
103 116
104 private: 117 private:
105 base::ObserverList<ActivationObserver> activation_observers_; 118 base::ObserverList<ActivationObserver> activation_observers_;
106 base::ObserverList<FocusObserver> focus_observers_; 119 base::ObserverList<FocusObserver> focus_observers_;
107 base::ObserverList<CursorObserver> cursor_observers_; 120 base::ObserverList<CursorObserver> cursor_observers_;
108 base::ObserverList<MaximizeModeObserver> maximize_mode_observers_; 121 base::ObserverList<MaximizeModeObserver> maximize_mode_observers_;
122 base::ObserverList<AccessibilityObserver> accessibility_observers_;
109 123
110 DISALLOW_COPY_AND_ASSIGN(WMHelper); 124 DISALLOW_COPY_AND_ASSIGN(WMHelper);
111 }; 125 };
112 126
113 } // namespace exo 127 } // namespace exo
114 128
115 #endif // COMPONENTS_EXO_WM_HELPER_H_ 129 #endif // COMPONENTS_EXO_WM_HELPER_H_
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