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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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