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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 #include "ui/events/base_event_utils.h" | 5 #include "ui/events/base_event_utils.h" |
6 | 6 |
7 #include "base/atomic_sequence_num.h" | 7 #include "base/atomic_sequence_num.h" |
8 #include "base/command_line.h" | 8 #include "base/command_line.h" |
| 9 #include "base/lazy_instance.h" |
9 #include "base/logging.h" | 10 #include "base/logging.h" |
10 #include "base/time/time.h" | 11 #include "base/time/time.h" |
11 #include "build/build_config.h" | 12 #include "build/build_config.h" |
12 #include "ui/events/event_constants.h" | 13 #include "ui/events/event_constants.h" |
13 #include "ui/events/event_switches.h" | 14 #include "ui/events/event_switches.h" |
14 | 15 |
15 namespace ui { | 16 namespace ui { |
16 | 17 |
17 namespace { | 18 namespace { |
18 | 19 |
(...skipping 17 matching lines...) Expand all Loading... |
36 return id; | 37 return id; |
37 } | 38 } |
38 | 39 |
39 bool IsSystemKeyModifier(int flags) { | 40 bool IsSystemKeyModifier(int flags) { |
40 // AltGr modifier is used to type alternative keys on certain keyboard layouts | 41 // AltGr modifier is used to type alternative keys on certain keyboard layouts |
41 // so we don't consider keys with the AltGr modifier as a system key. | 42 // so we don't consider keys with the AltGr modifier as a system key. |
42 return (kSystemKeyModifierMask & flags) != 0 && | 43 return (kSystemKeyModifierMask & flags) != 0 && |
43 (EF_ALTGR_DOWN & flags) == 0; | 44 (EF_ALTGR_DOWN & flags) == 0; |
44 } | 45 } |
45 | 46 |
| 47 base::LazyInstance<std::unique_ptr<base::TickClock>>::Leaky g_tick_clock = |
| 48 LAZY_INSTANCE_INITIALIZER; |
| 49 |
| 50 base::TimeTicks EventTimeForNow() { |
| 51 return g_tick_clock.Get() ? g_tick_clock.Get()->NowTicks() |
| 52 : base::TimeTicks::Now(); |
| 53 } |
| 54 |
| 55 void SetEventTickClockForTesting(std::unique_ptr<base::TickClock> tick_clock) { |
| 56 g_tick_clock.Get() = std::move(tick_clock); |
| 57 } |
| 58 |
46 double EventTimeStampToSeconds(base::TimeTicks time_stamp) { | 59 double EventTimeStampToSeconds(base::TimeTicks time_stamp) { |
47 return (time_stamp - base::TimeTicks()).InSecondsF(); | 60 return (time_stamp - base::TimeTicks()).InSecondsF(); |
48 } | 61 } |
49 | 62 |
50 base::TimeTicks EventTimeStampFromSeconds(double time_stamp_seconds) { | 63 base::TimeTicks EventTimeStampFromSeconds(double time_stamp_seconds) { |
51 return base::TimeTicks() + base::TimeDelta::FromSecondsD(time_stamp_seconds); | 64 return base::TimeTicks() + base::TimeDelta::FromSecondsD(time_stamp_seconds); |
52 } | 65 } |
53 | 66 |
54 } // namespace ui | 67 } // namespace ui |
55 | 68 |
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