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Side by Side Diff: cc/delay_based_time_source.cc

Issue 12472028: Part 1 of cc/ directory shuffles: base (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 9 months ago
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1 // Copyright 2011 The Chromium Authors. All rights reserved. 1 // Copyright 2011 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 "cc/delay_based_time_source.h" 5 #include "cc/delay_based_time_source.h"
6 6
7 #include <algorithm> 7 #include <algorithm>
8 #include <cmath> 8 #include <cmath>
9 9
10 #include "base/debug/trace_event.h" 10 #include "base/debug/trace_event.h"
11 #include "base/logging.h" 11 #include "base/logging.h"
12 #include "base/message_loop.h" 12 #include "base/message_loop.h"
13 #include "cc/thread.h" 13 #include "cc/base/thread.h"
14 14
15 namespace cc { 15 namespace cc {
16 16
17 namespace { 17 namespace {
18 18
19 // doubleTickThreshold prevents ticks from running within the specified fraction of an interval. 19 // doubleTickThreshold prevents ticks from running within the specified fraction of an interval.
20 // This helps account for jitter in the timebase as well as quick timer reactiva tion. 20 // This helps account for jitter in the timebase as well as quick timer reactiva tion.
21 const double doubleTickThreshold = 0.25; 21 const double doubleTickThreshold = 0.25;
22 22
23 // intervalChangeThreshold is the fraction of the interval that will trigger an immediate interval change. 23 // intervalChangeThreshold is the fraction of the interval that will trigger an immediate interval change.
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225 m_nextParameters.interval.InMillisecondsF() * (1.0 + doubleTickThresh old)); 225 m_nextParameters.interval.InMillisecondsF() * (1.0 + doubleTickThresh old));
226 m_thread->postDelayedTask(base::Bind(&DelayBasedTimeSource::onTimerFired, 226 m_thread->postDelayedTask(base::Bind(&DelayBasedTimeSource::onTimerFired,
227 m_weakFactory.GetWeakPtr()), 227 m_weakFactory.GetWeakPtr()),
228 delay.InMilliseconds()); 228 delay.InMilliseconds());
229 229
230 m_nextParameters.tickTarget = newTickTarget; 230 m_nextParameters.tickTarget = newTickTarget;
231 m_currentParameters = m_nextParameters; 231 m_currentParameters = m_nextParameters;
232 } 232 }
233 233
234 } // namespace cc 234 } // namespace cc
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