xref: /aosp_15_r20/external/cronet/base/functional/callback_helpers.cc (revision 6777b5387eb2ff775bb5750e3f5d96f37fb7352b)
1*6777b538SAndroid Build Coastguard Worker // Copyright 2013 The Chromium Authors
2*6777b538SAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be
3*6777b538SAndroid Build Coastguard Worker // found in the LICENSE file.
4*6777b538SAndroid Build Coastguard Worker 
5*6777b538SAndroid Build Coastguard Worker #include "base/functional/callback_helpers.h"
6*6777b538SAndroid Build Coastguard Worker 
7*6777b538SAndroid Build Coastguard Worker namespace base {
8*6777b538SAndroid Build Coastguard Worker 
9*6777b538SAndroid Build Coastguard Worker ScopedClosureRunner::ScopedClosureRunner() = default;
10*6777b538SAndroid Build Coastguard Worker 
ScopedClosureRunner(OnceClosure closure)11*6777b538SAndroid Build Coastguard Worker ScopedClosureRunner::ScopedClosureRunner(OnceClosure closure)
12*6777b538SAndroid Build Coastguard Worker     : closure_(std::move(closure)) {}
13*6777b538SAndroid Build Coastguard Worker 
ScopedClosureRunner(ScopedClosureRunner && other)14*6777b538SAndroid Build Coastguard Worker ScopedClosureRunner::ScopedClosureRunner(ScopedClosureRunner&& other)
15*6777b538SAndroid Build Coastguard Worker     : closure_(other.Release()) {}
16*6777b538SAndroid Build Coastguard Worker 
operator =(ScopedClosureRunner && other)17*6777b538SAndroid Build Coastguard Worker ScopedClosureRunner& ScopedClosureRunner::operator=(
18*6777b538SAndroid Build Coastguard Worker     ScopedClosureRunner&& other) {
19*6777b538SAndroid Build Coastguard Worker   if (this != &other) {
20*6777b538SAndroid Build Coastguard Worker     RunAndReset();
21*6777b538SAndroid Build Coastguard Worker     ReplaceClosure(other.Release());
22*6777b538SAndroid Build Coastguard Worker   }
23*6777b538SAndroid Build Coastguard Worker   return *this;
24*6777b538SAndroid Build Coastguard Worker }
25*6777b538SAndroid Build Coastguard Worker 
~ScopedClosureRunner()26*6777b538SAndroid Build Coastguard Worker ScopedClosureRunner::~ScopedClosureRunner() {
27*6777b538SAndroid Build Coastguard Worker   RunAndReset();
28*6777b538SAndroid Build Coastguard Worker }
29*6777b538SAndroid Build Coastguard Worker 
RunAndReset()30*6777b538SAndroid Build Coastguard Worker void ScopedClosureRunner::RunAndReset() {
31*6777b538SAndroid Build Coastguard Worker   if (closure_)
32*6777b538SAndroid Build Coastguard Worker     std::move(closure_).Run();
33*6777b538SAndroid Build Coastguard Worker }
34*6777b538SAndroid Build Coastguard Worker 
ReplaceClosure(OnceClosure closure)35*6777b538SAndroid Build Coastguard Worker void ScopedClosureRunner::ReplaceClosure(OnceClosure closure) {
36*6777b538SAndroid Build Coastguard Worker   closure_ = std::move(closure);
37*6777b538SAndroid Build Coastguard Worker }
38*6777b538SAndroid Build Coastguard Worker 
Release()39*6777b538SAndroid Build Coastguard Worker OnceClosure ScopedClosureRunner::Release() {
40*6777b538SAndroid Build Coastguard Worker   return std::move(closure_);
41*6777b538SAndroid Build Coastguard Worker }
42*6777b538SAndroid Build Coastguard Worker 
43*6777b538SAndroid Build Coastguard Worker }  // namespace base
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