File: IdleDeadline.cpp

package info (click to toggle)
chromium-browser 57.0.2987.98-1~deb8u1
  • links: PTS, VCS
  • area: main
  • in suites: jessie
  • size: 2,637,852 kB
  • ctags: 2,544,394
  • sloc: cpp: 12,815,961; ansic: 3,676,222; python: 1,147,112; asm: 526,608; java: 523,212; xml: 286,794; perl: 92,654; sh: 86,408; objc: 73,271; makefile: 27,698; cs: 18,487; yacc: 13,031; tcl: 12,957; pascal: 4,875; ml: 4,716; lex: 3,904; sql: 3,862; ruby: 1,982; lisp: 1,508; php: 1,368; exp: 404; awk: 325; csh: 117; jsp: 39; sed: 37
file content (31 lines) | stat: -rw-r--r-- 974 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
 
// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "core/dom/IdleDeadline.h"

#include "core/timing/PerformanceBase.h"
#include "public/platform/Platform.h"
#include "public/platform/WebScheduler.h"
#include "wtf/CurrentTime.h"

namespace blink {

IdleDeadline::IdleDeadline(double deadlineSeconds, CallbackType callbackType)
    : m_deadlineSeconds(deadlineSeconds), m_callbackType(callbackType) {}

double IdleDeadline::timeRemaining() const {
  double timeRemaining = m_deadlineSeconds - monotonicallyIncreasingTime();
  if (timeRemaining < 0) {
    timeRemaining = 0;
  } else if (Platform::current()
                 ->currentThread()
                 ->scheduler()
                 ->shouldYieldForHighPriorityWork()) {
    timeRemaining = 0;
  }

  return 1000.0 * PerformanceBase::clampTimeResolution(timeRemaining);
}

}  // namespace blink