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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 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_TOUCH_OBSERVER_HUD_H_ | 5 #ifndef ASH_TOUCH_TOUCH_OBSERVER_HUD_H_ |
| 6 #define ASH_TOUCH_TOUCH_OBSERVER_HUD_H_ | 6 #define ASH_TOUCH_TOUCH_OBSERVER_HUD_H_ |
| 7 | 7 |
| 8 #include "ash/ash_export.h" | 8 #include "ash/ash_export.h" |
| 9 #include "ash/display/display_controller.h" | 9 #include "ash/display/display_controller.h" |
| 10 #include "ui/events/event_handler.h" | 10 #include "ui/events/event_handler.h" |
| 11 #include "ui/gfx/display_observer.h" | 11 #include "ui/gfx/display_observer.h" |
| 12 #include "ui/views/widget/widget_observer.h" | 12 #include "ui/views/widget/widget_observer.h" |
| 13 | 13 |
| 14 #if defined(OS_CHROMEOS) | 14 #if defined(OS_CHROMEOS) |
| 15 #include "ui/display/chromeos/output_configurator.h" | 15 #include "ui/display/chromeos/display_configurator.h" |
| 16 #endif // defined(OS_CHROMEOS) | 16 #endif // defined(OS_CHROMEOS) |
| 17 | 17 |
| 18 namespace views { | 18 namespace views { |
| 19 class Widget; | 19 class Widget; |
| 20 } | 20 } |
| 21 | 21 |
| 22 namespace ash { | 22 namespace ash { |
| 23 | 23 |
| 24 // An event filter which handles system level gesture events. Objects of this | 24 // An event filter which handles system level gesture events. Objects of this |
| 25 // class manage their own lifetime. | 25 // class manage their own lifetime. |
| 26 class ASH_EXPORT TouchObserverHUD : public ui::EventHandler, | 26 class ASH_EXPORT TouchObserverHUD : public ui::EventHandler, |
| 27 public views::WidgetObserver, | 27 public views::WidgetObserver, |
| 28 public gfx::DisplayObserver, | 28 public gfx::DisplayObserver, |
| 29 #if defined(OS_CHROMEOS) | 29 #if defined(OS_CHROMEOS) |
| 30 public ui::OutputConfigurator::Observer, | 30 public ui::DisplayConfigurator::Observer, |
| 31 #endif // defined(OS_CHROMEOS) | 31 #endif // defined(OS_CHROMEOS) |
| 32 public DisplayController::Observer { | 32 public DisplayController::Observer { |
| 33 public: | 33 public: |
| 34 // Called to clear touch points and traces from the screen. Default | 34 // Called to clear touch points and traces from the screen. Default |
| 35 // implementation does nothing. Sub-classes should implement appropriately. | 35 // implementation does nothing. Sub-classes should implement appropriately. |
| 36 virtual void Clear(); | 36 virtual void Clear(); |
| 37 | 37 |
| 38 // Removes the HUD from the screen. | 38 // Removes the HUD from the screen. |
| 39 void Remove(); | 39 void Remove(); |
| 40 | 40 |
| (...skipping 16 matching lines...) Expand all Loading... |
| 57 | 57 |
| 58 // Overridden from views::WidgetObserver. | 58 // Overridden from views::WidgetObserver. |
| 59 virtual void OnWidgetDestroying(views::Widget* widget) OVERRIDE; | 59 virtual void OnWidgetDestroying(views::Widget* widget) OVERRIDE; |
| 60 | 60 |
| 61 // Overridden from gfx::DisplayObserver. | 61 // Overridden from gfx::DisplayObserver. |
| 62 virtual void OnDisplayBoundsChanged(const gfx::Display& display) OVERRIDE; | 62 virtual void OnDisplayBoundsChanged(const gfx::Display& display) OVERRIDE; |
| 63 virtual void OnDisplayAdded(const gfx::Display& new_display) OVERRIDE; | 63 virtual void OnDisplayAdded(const gfx::Display& new_display) OVERRIDE; |
| 64 virtual void OnDisplayRemoved(const gfx::Display& old_display) OVERRIDE; | 64 virtual void OnDisplayRemoved(const gfx::Display& old_display) OVERRIDE; |
| 65 | 65 |
| 66 #if defined(OS_CHROMEOS) | 66 #if defined(OS_CHROMEOS) |
| 67 // Overriden from ui::OutputConfigurator::Observer. | 67 // Overriden from ui::DisplayConfigurator::Observer. |
| 68 virtual void OnDisplayModeChanged( | 68 virtual void OnDisplayModeChanged( |
| 69 const ui::OutputConfigurator::DisplayStateList& outputs) OVERRIDE; | 69 const ui::DisplayConfigurator::DisplayStateList& outputs) OVERRIDE; |
| 70 #endif // defined(OS_CHROMEOS) | 70 #endif // defined(OS_CHROMEOS) |
| 71 | 71 |
| 72 // Overriden form DisplayController::Observer. | 72 // Overriden form DisplayController::Observer. |
| 73 virtual void OnDisplaysInitialized() OVERRIDE; | 73 virtual void OnDisplaysInitialized() OVERRIDE; |
| 74 virtual void OnDisplayConfigurationChanging() OVERRIDE; | 74 virtual void OnDisplayConfigurationChanging() OVERRIDE; |
| 75 virtual void OnDisplayConfigurationChanged() OVERRIDE; | 75 virtual void OnDisplayConfigurationChanged() OVERRIDE; |
| 76 | 76 |
| 77 private: | 77 private: |
| 78 friend class TouchHudTestBase; | 78 friend class TouchHudTestBase; |
| 79 | 79 |
| 80 const int64 display_id_; | 80 const int64 display_id_; |
| 81 aura::Window* root_window_; | 81 aura::Window* root_window_; |
| 82 | 82 |
| 83 views::Widget* widget_; | 83 views::Widget* widget_; |
| 84 | 84 |
| 85 DISALLOW_COPY_AND_ASSIGN(TouchObserverHUD); | 85 DISALLOW_COPY_AND_ASSIGN(TouchObserverHUD); |
| 86 }; | 86 }; |
| 87 | 87 |
| 88 } // namespace ash | 88 } // namespace ash |
| 89 | 89 |
| 90 #endif // ASH_TOUCH_TOUCH_OBSERVER_HUD_H_ | 90 #endif // ASH_TOUCH_TOUCH_OBSERVER_HUD_H_ |
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