base/callback_helpers.cc

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