File: client_navigation_throttler.cc

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 (44 lines) | stat: -rw-r--r-- 1,236 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
 
// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/renderer/client_navigation_throttler.h"

namespace content {

ClientNavigationThrottler::ClientNavigationThrottler() = default;
ClientNavigationThrottler::~ClientNavigationThrottler() {
  DispatchPendingCallbacks();
}

base::ScopedClosureRunner ClientNavigationThrottler::DeferNavigations() {
  ++defer_counter_;
  return base::ScopedClosureRunner(
      base::BindOnce(&ClientNavigationThrottler::UndeferNavigations,
                     weak_factory_.GetWeakPtr()));
}

void ClientNavigationThrottler::DispatchOrScheduleNavigation(
    base::OnceClosure navigation_start) {
  if (!defer_counter_) {
    std::move(navigation_start).Run();
    return;
  }
  deferred_navigations_.push_back(std::move(navigation_start));
}

void ClientNavigationThrottler::UndeferNavigations() {
  CHECK_GT(defer_counter_, 0);
  if (!--defer_counter_) {
    DispatchPendingCallbacks();
    deferred_navigations_.clear();
  }
}

void ClientNavigationThrottler::DispatchPendingCallbacks() {
  for (auto& item : deferred_navigations_) {
    std::move(item).Run();
  }
}

}  // namespace content