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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 MEDIA_BASE_KEYBOARD_EVENT_COUNTER_H_ | 5 #ifndef MEDIA_BASE_KEYBOARD_EVENT_COUNTER_H_ |
6 #define MEDIA_BASE_KEYBOARD_EVENT_COUNTER_H_ | 6 #define MEDIA_BASE_KEYBOARD_EVENT_COUNTER_H_ |
7 | 7 |
8 #include <set> | 8 #include <set> |
9 | 9 |
| 10 #include "base/macros.h" |
10 #include "base/synchronization/lock.h" | 11 #include "base/synchronization/lock.h" |
11 #include "media/base/media_export.h" | 12 #include "media/base/media_export.h" |
12 #include "ui/events/event_constants.h" | 13 #include "ui/events/event_constants.h" |
13 #include "ui/events/keycodes/keyboard_codes.h" | 14 #include "ui/events/keycodes/keyboard_codes.h" |
14 | 15 |
15 namespace media { | 16 namespace media { |
16 | 17 |
17 // This class tracks the total number of keypresses based on the OnKeyboardEvent | 18 // This class tracks the total number of keypresses based on the OnKeyboardEvent |
18 // calls it receives from the client. | 19 // calls it receives from the client. |
19 // Multiple key down events for the same key are counted as one keypress until | 20 // Multiple key down events for the same key are counted as one keypress until |
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40 std::set<ui::KeyboardCode> pressed_keys_; | 41 std::set<ui::KeyboardCode> pressed_keys_; |
41 | 42 |
42 size_t total_key_presses_; | 43 size_t total_key_presses_; |
43 | 44 |
44 DISALLOW_COPY_AND_ASSIGN(KeyboardEventCounter); | 45 DISALLOW_COPY_AND_ASSIGN(KeyboardEventCounter); |
45 }; | 46 }; |
46 | 47 |
47 } // namespace media | 48 } // namespace media |
48 | 49 |
49 #endif // MEDIA_BASE_KEYBOARD_EVENT_COUNTER_H_ | 50 #endif // MEDIA_BASE_KEYBOARD_EVENT_COUNTER_H_ |
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