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Issue 11453012: Fix black background when locking with fullscreen window: (Closed) Base URL: http://git.chromium.org/chromium/src.git@master
Patch Set: Rename undo/stop to cancel Created 8 years ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 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 5
6 // Windows Timer Primer 6 // Windows Timer Primer
7 // 7 //
8 // A good article: http://www.ddj.com/windows/184416651 8 // A good article: http://www.ddj.com/windows/184416651
9 // A good mozilla bug: http://bugzilla.mozilla.org/show_bug.cgi?id=363258 9 // A good mozilla bug: http://bugzilla.mozilla.org/show_bug.cgi?id=363258
10 // 10 //
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96 // number of leap year days between 1601 and 1970: (1970-1601)/4 excluding 96 // number of leap year days between 1601 and 1970: (1970-1601)/4 excluding
97 // 1700, 1800, and 1900. 97 // 1700, 1800, and 1900.
98 // static 98 // static
99 const int64 Time::kTimeTToMicrosecondsOffset = GG_INT64_C(11644473600000000); 99 const int64 Time::kTimeTToMicrosecondsOffset = GG_INT64_C(11644473600000000);
100 100
101 bool Time::high_resolution_timer_enabled_ = false; 101 bool Time::high_resolution_timer_enabled_ = false;
102 int Time::high_resolution_timer_activated_ = 0; 102 int Time::high_resolution_timer_activated_ = 0;
103 103
104 // static 104 // static
105 Time Time::Now() { 105 Time Time::Now() {
106 if (TimeFactory::instance())
107 return TimeFactory::instance()->TimeNow();
108
106 if (initial_time == 0) 109 if (initial_time == 0)
107 InitializeClock(); 110 InitializeClock();
108 111
109 // We implement time using the high-resolution timers so that we can get 112 // We implement time using the high-resolution timers so that we can get
110 // timeouts which are smaller than 10-15ms. If we just used 113 // timeouts which are smaller than 10-15ms. If we just used
111 // CurrentWallclockMicroseconds(), we'd have the less-granular timer. 114 // CurrentWallclockMicroseconds(), we'd have the less-granular timer.
112 // 115 //
113 // To make this work, we initialize the clock (initial_time) and the 116 // To make this work, we initialize the clock (initial_time) and the
114 // counter (initial_ctr). To compute the initial time, we can check 117 // counter (initial_ctr). To compute the initial time, we can check
115 // the number of ticks that have elapsed, and compute the delta. 118 // the number of ticks that have elapsed, and compute the delta.
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444 // static 447 // static
445 TimeTicks::TickFunctionType TimeTicks::SetMockTickFunction( 448 TimeTicks::TickFunctionType TimeTicks::SetMockTickFunction(
446 TickFunctionType ticker) { 449 TickFunctionType ticker) {
447 TickFunctionType old = tick_function; 450 TickFunctionType old = tick_function;
448 tick_function = ticker; 451 tick_function = ticker;
449 return old; 452 return old;
450 } 453 }
451 454
452 // static 455 // static
453 TimeTicks TimeTicks::Now() { 456 TimeTicks TimeTicks::Now() {
457 if (TimeFactory::instance())
458 return TimeFactory::instance()->TimeTicksNow();
459
454 return TimeTicks() + RolloverProtectedNow(); 460 return TimeTicks() + RolloverProtectedNow();
455 } 461 }
456 462
457 // static 463 // static
458 TimeTicks TimeTicks::HighResNow() { 464 TimeTicks TimeTicks::HighResNow() {
459 return TimeTicks() + HighResNowSingleton::GetInstance()->Now(); 465 return TimeTicks() + HighResNowSingleton::GetInstance()->Now();
460 } 466 }
461 467
462 // static 468 // static
463 TimeTicks TimeTicks::NowFromSystemTraceTime() { 469 TimeTicks TimeTicks::NowFromSystemTraceTime() {
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480 return HighResNowSingleton::GetInstance()->IsUsingHighResClock(); 486 return HighResNowSingleton::GetInstance()->IsUsingHighResClock();
481 } 487 }
482 488
483 // TimeDelta ------------------------------------------------------------------ 489 // TimeDelta ------------------------------------------------------------------
484 490
485 // static 491 // static
486 TimeDelta TimeDelta::FromQPCValue(LONGLONG qpc_value) { 492 TimeDelta TimeDelta::FromQPCValue(LONGLONG qpc_value) {
487 return TimeDelta( 493 return TimeDelta(
488 HighResNowSingleton::GetInstance()->QPCValueToMicroseconds(qpc_value)); 494 HighResNowSingleton::GetInstance()->QPCValueToMicroseconds(qpc_value));
489 } 495 }
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