File: CSSTiming.h

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 (48 lines) | stat: -rw-r--r-- 1,147 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
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
 
// Copyright 2016 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.

#ifndef CSSTiming_h
#define CSSTiming_h

#include "core/dom/Document.h"
#include "platform/Supplementable.h"
#include "platform/heap/Handle.h"
#include "wtf/Noncopyable.h"

namespace blink {

class PaintTiming;

class CSSTiming : public GarbageCollectedFinalized<CSSTiming>,
                  public Supplement<Document> {
  WTF_MAKE_NONCOPYABLE(CSSTiming);
  USING_GARBAGE_COLLECTED_MIXIN(CSSTiming);

 public:
  virtual ~CSSTiming() {}

  void recordAuthorStyleSheetParseTime(double seconds);
  void recordUpdateDuration(double seconds);

  double authorStyleSheetParseDurationBeforeFCP() const {
    return m_parseTimeBeforeFCP;
  }

  double updateDurationBeforeFCP() const { return m_updateTimeBeforeFCP; }

  static CSSTiming& from(Document&);
  DECLARE_VIRTUAL_TRACE();

 private:
  explicit CSSTiming(Document&);

  double m_parseTimeBeforeFCP = 0;
  double m_updateTimeBeforeFCP = 0;

  Member<PaintTiming> m_paintTiming;
};

}  // namespace blink

#endif  // CSSTiming_h