File: tracing_notification_controller.h

package info (click to toggle)
chromium 139.0.7258.127-1
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 6,122,068 kB
  • sloc: cpp: 35,100,771; ansic: 7,163,530; javascript: 4,103,002; python: 1,436,920; asm: 946,517; xml: 746,709; pascal: 187,653; perl: 88,691; sh: 88,436; objc: 79,953; sql: 51,488; cs: 44,583; fortran: 24,137; makefile: 22,147; tcl: 15,277; php: 13,980; yacc: 8,984; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (45 lines) | stat: -rw-r--r-- 1,268 bytes parent folder | download | duplicates (6)
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
// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef ASH_SYSTEM_TRACING_NOTIFICATION_CONTROLLER_H_
#define ASH_SYSTEM_TRACING_NOTIFICATION_CONTROLLER_H_

#include "ash/ash_export.h"
#include "ash/system/model/tracing_model.h"
#include "base/memory/raw_ptr.h"

namespace ash {

// Controller class to manage tracing enabled (chrome://slow) notification.
class ASH_EXPORT TracingNotificationController : public TracingObserver {
 public:
  TracingNotificationController();

  TracingNotificationController(const TracingNotificationController&) = delete;
  TracingNotificationController& operator=(
      const TracingNotificationController&) = delete;

  ~TracingNotificationController() override;

  // TracingObserver:
  void OnTracingModeChanged() override;

 private:
  friend class TracingNotificationControllerTest;

  void CreateNotification();
  void RemoveNotification();

  static const char kNotificationId[];

  // True if performance tracing was active on the last time
  // OnTracingModeChanged was called.
  bool was_tracing_ = false;

  const raw_ptr<TracingModel> model_;
};

}  // namespace ash

#endif  // ASH_SYSTEM_TRACING_NOTIFICATION_CONTROLLER_H_