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1 // Copyright (c) 2014 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 #include "chrome/browser/chromeos/input_method/input_method_switch_recorder.h" | |
6 | |
7 #include "base/metrics/histogram_macros.h" | |
8 | |
9 namespace { | |
10 | |
11 chromeos::input_method::InputMethodSwitchRecorder* | |
12 g_input_method_switch_recorder = NULL; | |
13 | |
14 enum SwitchBy { | |
15 // The values should not reordered or deleted and new entries should only be | |
16 // added at the end (otherwise it will cause problems interpreting logs) | |
17 SWITCH_BY_TRAY = 0, | |
18 SWITCH_BY_ACCELERATOR = 1, | |
19 NUM_SWITCH_BY = 2 | |
20 }; | |
21 | |
22 } // namespace | |
23 | |
24 namespace chromeos { | |
25 namespace input_method { | |
26 | |
27 // static | |
28 InputMethodSwitchRecorder* InputMethodSwitchRecorder::Get() { | |
29 if (!g_input_method_switch_recorder) | |
30 g_input_method_switch_recorder = new InputMethodSwitchRecorder(); | |
31 return g_input_method_switch_recorder; | |
32 } | |
33 | |
34 InputMethodSwitchRecorder::InputMethodSwitchRecorder() { | |
35 } | |
36 | |
37 InputMethodSwitchRecorder::~InputMethodSwitchRecorder() { | |
38 } | |
39 | |
40 void InputMethodSwitchRecorder::RecordSwitch(bool by_tray_menu) { | |
41 UMA_HISTOGRAM_ENUMERATION( | |
42 "InputMethod.ImeSwitch", | |
43 by_tray_menu ? SWITCH_BY_TRAY : SWITCH_BY_ACCELERATOR, NUM_SWITCH_BY); | |
44 } | |
45 | |
46 } // namespace input_method | |
47 } // namespace chromeos | |
48 | |
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