File: transient_focus_source_user_activation.h

package info (click to toggle)
chromium 138.0.7204.183-1~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 6,080,960 kB
  • sloc: cpp: 34,937,079; ansic: 7,176,967; javascript: 4,110,704; python: 1,419,954; asm: 946,768; xml: 739,971; pascal: 187,324; sh: 89,623; perl: 88,663; objc: 79,944; sql: 50,304; cs: 41,786; fortran: 24,137; makefile: 21,811; php: 13,980; tcl: 13,166; yacc: 8,925; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (37 lines) | stat: -rw-r--r-- 1,244 bytes parent folder | download | duplicates (8) 
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
 
// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_RENDERER_HOST_TRANSIENT_FOCUS_SOURCE_USER_ACTIVATION_H_
#define CONTENT_BROWSER_RENDERER_HOST_TRANSIENT_FOCUS_SOURCE_USER_ACTIVATION_H_

#include "base/time/time.h"
#include "content/common/content_export.h"

namespace content {

// This class manages a transient state tracking mechanism for tracking if the
// frame initiating the focus call has user activation. This is used to verify
// the validity of focus crossing a fenced frame boundary. When activated, the
// transient state is active for the same amount of time that a transient user
// activation stays active for.
class CONTENT_EXPORT TransientFocusSourceUserActivation {
 public:
  TransientFocusSourceUserActivation();

  // Activate the transient state.
  void Activate();

  // Deactivate the transient state.
  void Deactivate();

  // Returns the transient state; |true| if this object was recently activated.
  bool IsActive() const;

 private:
  base::TimeTicks transient_state_expiry_time_;
};

}  // namespace content

#endif  // CONTENT_BROWSER_RENDERER_HOST_TRANSIENT_FOCUS_SOURCE_USER_ACTIVATION_H_