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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef ASH_COMMON_SYSTEM_CHROMEOS_PALETTE_TOOLS_LASER_POINTER_MODE_H_ | |
6 #define ASH_COMMON_SYSTEM_CHROMEOS_PALETTE_TOOLS_LASER_POINTER_MODE_H_ | |
7 | |
8 #include "ash/common/system/chromeos/palette/common_palette_tool.h" | |
9 #include "ash/common/system/chromeos/palette/tools/laser_pointer_view.h" | |
jdufault
2016/08/19 01:02:08
Forward declare LaserPointerView
sammiequon
2016/08/19 20:28:46
Done.
| |
10 #include "ui/views/pointer_watcher.h" | |
11 | |
12 namespace ash { | |
13 | |
14 // Controller for the laser pointer functionality. Enables/disables laser | |
15 // pointer as well as receives points and passes them off to be rendered. | |
16 class LaserPointerMode : public CommonPaletteTool, | |
17 public views::PointerWatcher { | |
18 public: | |
19 explicit LaserPointerMode(Delegate* delegate); | |
20 ~LaserPointerMode() override; | |
21 | |
22 private: | |
23 friend class LaserPointerModeTestApi; | |
24 | |
25 // PaletteTool: | |
26 PaletteGroup GetGroup() const override; | |
27 PaletteToolId GetToolId() const override; | |
28 void OnEnable() override; | |
29 void OnDisable() override; | |
30 gfx::VectorIconId GetActiveTrayIcon() override; | |
31 views::View* CreateView() override; | |
32 | |
33 // CommonPaletteTool: | |
34 gfx::VectorIconId GetPaletteIconId() override; | |
35 | |
36 // views::PointerWatcher: | |
37 void OnPointerEventObserved(const ui::PointerEvent& event, | |
38 const gfx::Point& location_in_screen, | |
39 views::Widget* target) override; | |
40 | |
41 void StopTimer(); | |
42 | |
43 // Timer callback which adds a point where the mouse was last seen. This | |
44 // allows the trail to fade away when the mouse is stationary. | |
45 void AddStationaryPoint(); | |
46 | |
47 // Timer which will add a new stationary point when the mouse stops moving. | |
48 // This will remove points past a certain threshold. | |
49 std::unique_ptr<base::Timer> timer_; | |
50 int timer_repeat_count_ = 0; | |
51 | |
52 gfx::Point current_mouse_location_; | |
53 std::unique_ptr<LaserPointerView> laser_pointer_view_; | |
54 | |
55 DISALLOW_COPY_AND_ASSIGN(LaserPointerMode); | |
56 }; | |
57 | |
58 } // namespace ash | |
59 | |
60 #endif // ASH_COMMON_SYSTEM_CHROMEOS_PALETTE_TOOLS_LASER_POINTER_MODE_H_ | |
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