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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 CHROME_BROWSER_CHROMEOS_DEVICE_UMA_H_ | 5 #ifndef CHROME_BROWSER_CHROMEOS_DEVICE_UMA_H_ |
6 #define CHROME_BROWSER_CHROMEOS_DEVICE_UMA_H_ | 6 #define CHROME_BROWSER_CHROMEOS_DEVICE_UMA_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "ui/events/platform/platform_event_observer.h" | 9 #include "ui/events/platform/platform_event_observer.h" |
10 | 10 |
| 11 namespace base { |
11 template <typename T> struct DefaultSingletonTraits; | 12 template <typename T> struct DefaultSingletonTraits; |
| 13 } |
12 | 14 |
13 namespace chromeos { | 15 namespace chromeos { |
14 | 16 |
15 // A class to record devices' input event details via the UMA system | 17 // A class to record devices' input event details via the UMA system |
16 class DeviceUMA : public ui::PlatformEventObserver { | 18 class DeviceUMA : public ui::PlatformEventObserver { |
17 public: | 19 public: |
18 // Getting instance starts the class automatically if it hasn't been | 20 // Getting instance starts the class automatically if it hasn't been |
19 // started before. | 21 // started before. |
20 static DeviceUMA* GetInstance(); | 22 static DeviceUMA* GetInstance(); |
21 | 23 |
22 void Stop(); | 24 void Stop(); |
23 | 25 |
24 private: | 26 private: |
25 friend struct DefaultSingletonTraits<DeviceUMA>; | 27 friend struct base::DefaultSingletonTraits<DeviceUMA>; |
26 | 28 |
27 DeviceUMA(); | 29 DeviceUMA(); |
28 ~DeviceUMA() override; | 30 ~DeviceUMA() override; |
29 | 31 |
30 // ui::PlatformEventObserver: | 32 // ui::PlatformEventObserver: |
31 void WillProcessEvent(const ui::PlatformEvent& event) override; | 33 void WillProcessEvent(const ui::PlatformEvent& event) override; |
32 void DidProcessEvent(const ui::PlatformEvent& event) override; | 34 void DidProcessEvent(const ui::PlatformEvent& event) override; |
33 | 35 |
34 // Check CrOS touchpad events to see if the metrics gesture is present | 36 // Check CrOS touchpad events to see if the metrics gesture is present |
35 void CheckTouchpadEvent(XEvent* event); | 37 void CheckTouchpadEvent(XEvent* event); |
36 | 38 |
37 // Check the incoming events for interesting patterns that we care about. | 39 // Check the incoming events for interesting patterns that we care about. |
38 void CheckIncomingEvent(XEvent* event); | 40 void CheckIncomingEvent(XEvent* event); |
39 | 41 |
40 bool stopped_; | 42 bool stopped_; |
41 | 43 |
42 DISALLOW_COPY_AND_ASSIGN(DeviceUMA); | 44 DISALLOW_COPY_AND_ASSIGN(DeviceUMA); |
43 }; | 45 }; |
44 | 46 |
45 } // namespace chromeos | 47 } // namespace chromeos |
46 | 48 |
47 #endif // CHROME_BROWSER_CHROMEOS_DEVICE_UMA_H_ | 49 #endif // CHROME_BROWSER_CHROMEOS_DEVICE_UMA_H_ |
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