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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 ASH_TOUCH_EXPLORATION_MANAGER_CHROMEOS_H_ | 5 #ifndef ASH_TOUCH_EXPLORATION_MANAGER_CHROMEOS_H_ |
6 #define ASH_TOUCH_EXPLORATION_MANAGER_CHROMEOS_H_ | 6 #define ASH_TOUCH_EXPLORATION_MANAGER_CHROMEOS_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 | 9 |
10 #include "ash/ash_export.h" | 10 #include "ash/ash_export.h" |
11 #include "ash/common/system/accessibility_observer.h" | 11 #include "ash/common/system/accessibility_observer.h" |
12 #include "base/macros.h" | 12 #include "base/macros.h" |
13 #include "ui/chromeos/touch_accessibility_enabler.h" | |
14 #include "ui/chromeos/touch_exploration_controller.h" | 13 #include "ui/chromeos/touch_exploration_controller.h" |
15 #include "ui/display/display_observer.h" | 14 #include "ui/display/display_observer.h" |
16 #include "ui/wm/public/activation_change_observer.h" | 15 #include "ui/wm/public/activation_change_observer.h" |
17 | 16 |
18 namespace chromeos { | 17 namespace chromeos { |
19 class CrasAudioHandler; | 18 class CrasAudioHandler; |
20 } | 19 } |
21 | 20 |
22 namespace ash { | 21 namespace ash { |
23 class RootWindowController; | 22 class RootWindowController; |
24 | 23 |
25 // Responsible for initializing TouchExplorationController when spoken | 24 // Responsible for initializing TouchExplorationController when spoken |
26 // feedback is on for ChromeOS only. This class implements | 25 // feedback is on for ChromeOS only. This class implements |
27 // TouchExplorationControllerDelegate which allows touch gestures to manipulate | 26 // TouchExplorationControllerDelegate which allows touch gestures to manipulate |
28 // the system. | 27 // the system. |
29 class ASH_EXPORT AshTouchExplorationManager | 28 class ASH_EXPORT AshTouchExplorationManager |
30 : public AccessibilityObserver, | 29 : public AccessibilityObserver, |
31 public ui::TouchExplorationControllerDelegate, | 30 public ui::TouchExplorationControllerDelegate, |
32 public ui::TouchAccessibilityEnablerDelegate, | |
33 public display::DisplayObserver, | 31 public display::DisplayObserver, |
34 public aura::client::ActivationChangeObserver { | 32 public aura::client::ActivationChangeObserver { |
35 public: | 33 public: |
36 explicit AshTouchExplorationManager( | 34 explicit AshTouchExplorationManager( |
37 RootWindowController* root_window_controller); | 35 RootWindowController* root_window_controller); |
38 ~AshTouchExplorationManager() override; | 36 ~AshTouchExplorationManager() override; |
39 | 37 |
40 // AccessibilityObserver overrides: | 38 // AccessibilityObserver overrides: |
41 void OnAccessibilityModeChanged( | 39 void OnAccessibilityModeChanged( |
42 AccessibilityNotificationVisibility notify) override; | 40 AccessibilityNotificationVisibility notify) override; |
43 | 41 |
44 // TouchExplorationControllerDelegate overrides: | 42 // TouchExplorationControllerDelegate overrides: |
45 void SetOutputLevel(int volume) override; | 43 void SetOutputLevel(int volume) override; |
46 void SilenceSpokenFeedback() override; | 44 void SilenceSpokenFeedback() override; |
47 void PlayVolumeAdjustEarcon() override; | 45 void PlayVolumeAdjustEarcon() override; |
48 void PlayPassthroughEarcon() override; | 46 void PlayPassthroughEarcon() override; |
49 void PlayExitScreenEarcon() override; | 47 void PlayExitScreenEarcon() override; |
50 void PlayEnterScreenEarcon() override; | 48 void PlayEnterScreenEarcon() override; |
51 void HandleAccessibilityGesture(ui::AXGesture gesture) override; | 49 void HandleAccessibilityGesture(ui::AXGesture gesture) override; |
52 | 50 |
53 // display::DisplayObserver overrides: | 51 // display::DisplayObserver overrides: |
54 void OnDisplayMetricsChanged(const display::Display& display, | 52 void OnDisplayMetricsChanged(const display::Display& display, |
55 uint32_t changed_metrics) override; | 53 uint32_t changed_metrics) override; |
56 | 54 |
57 // TouchAccessibilityEnablerDelegate overrides: | |
58 void PlaySpokenFeedbackToggleCountdown(int tick_count) override; | |
59 void ToggleSpokenFeedback() override; | |
60 | |
61 // aura::client::ActivationChangeObserver overrides: | 55 // aura::client::ActivationChangeObserver overrides: |
62 void OnWindowActivated( | 56 void OnWindowActivated( |
63 aura::client::ActivationChangeObserver::ActivationReason reason, | 57 aura::client::ActivationChangeObserver::ActivationReason reason, |
64 aura::Window* gained_active, | 58 aura::Window* gained_active, |
65 aura::Window* lost_active) override; | 59 aura::Window* lost_active) override; |
66 | 60 |
67 // Update the touch exploration controller so that synthesized touch | 61 // Update the touch exploration controller so that synthesized touch |
68 // events are anchored at this point. | 62 // events are anchored at this point. |
69 void SetTouchAccessibilityAnchorPoint(const gfx::Point& anchor_point); | 63 void SetTouchAccessibilityAnchorPoint(const gfx::Point& anchor_point); |
70 | 64 |
71 private: | 65 private: |
72 void UpdateTouchExplorationState(); | 66 void UpdateTouchExplorationState(); |
73 bool VolumeAdjustSoundEnabled(); | 67 bool VolumeAdjustSoundEnabled(); |
74 | 68 |
75 std::unique_ptr<ui::TouchExplorationController> touch_exploration_controller_; | 69 std::unique_ptr<ui::TouchExplorationController> touch_exploration_controller_; |
76 std::unique_ptr<ui::TouchAccessibilityEnabler> touch_accessibility_enabler_; | |
77 RootWindowController* root_window_controller_; | 70 RootWindowController* root_window_controller_; |
78 chromeos::CrasAudioHandler* audio_handler_; | 71 chromeos::CrasAudioHandler* audio_handler_; |
79 | 72 |
80 DISALLOW_COPY_AND_ASSIGN(AshTouchExplorationManager); | 73 DISALLOW_COPY_AND_ASSIGN(AshTouchExplorationManager); |
81 }; | 74 }; |
82 | 75 |
83 } // namespace ash | 76 } // namespace ash |
84 | 77 |
85 #endif // ASH_TOUCH_EXPLORATION_MANAGER_CHROMEOS_H_ | 78 #endif // ASH_TOUCH_EXPLORATION_MANAGER_CHROMEOS_H_ |
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