323ccc86ad
* Explicit deletion of copy constructors not necessary when move constructors are given. * No way to check if the runner had a closure inside. * RunAndReset() crashed if called with no closure inside. * operator=() failed to run the outgoing closure. Bug: none Change-Id: I8c92dfaca95619fe6661af10c018a75dae7e25ff Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2537787 Commit-Queue: Peter Kasting <pkasting@chromium.org> Reviewed-by: Avi Drissman <avi@chromium.org> Reviewed-by: danakj <danakj@chromium.org> Auto-Submit: Peter Kasting <pkasting@chromium.org> Cr-Commit-Position: refs/heads/master@{#827526}
44 lines
1.0 KiB
C++
44 lines
1.0 KiB
C++
// Copyright 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/callback_helpers.h"
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namespace base {
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ScopedClosureRunner::ScopedClosureRunner() = default;
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ScopedClosureRunner::ScopedClosureRunner(OnceClosure closure)
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: closure_(std::move(closure)) {}
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ScopedClosureRunner::ScopedClosureRunner(ScopedClosureRunner&& other)
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: closure_(other.Release()) {}
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ScopedClosureRunner& ScopedClosureRunner::operator=(
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ScopedClosureRunner&& other) {
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if (this != &other) {
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RunAndReset();
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ReplaceClosure(other.Release());
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}
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return *this;
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}
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ScopedClosureRunner::~ScopedClosureRunner() {
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RunAndReset();
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}
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void ScopedClosureRunner::RunAndReset() {
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if (closure_)
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std::move(closure_).Run();
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}
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void ScopedClosureRunner::ReplaceClosure(OnceClosure closure) {
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closure_ = std::move(closure);
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}
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OnceClosure ScopedClosureRunner::Release() {
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return std::move(closure_);
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}
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} // namespace base
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