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callback_helpers.cc
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callback_helpers.cc
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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/callback_helpers.h"
#include "base/callback.h"
namespace base {
ScopedClosureRunner::ScopedClosureRunner() {}
ScopedClosureRunner::ScopedClosureRunner(const Closure& closure)
: closure_(closure) {}
ScopedClosureRunner::~ScopedClosureRunner() {
if (!closure_.is_null())
closure_.Run();
}
ScopedClosureRunner::ScopedClosureRunner(ScopedClosureRunner&& other)
: closure_(other.Release()) {}
ScopedClosureRunner& ScopedClosureRunner::operator=(
ScopedClosureRunner&& other) {
ReplaceClosure(other.Release());
return *this;
}
void ScopedClosureRunner::RunAndReset() {
Closure old_closure = Release();
if (!old_closure.is_null())
old_closure.Run();
}
void ScopedClosureRunner::ReplaceClosure(const Closure& closure) {
closure_ = closure;
}
Closure ScopedClosureRunner::Release() {
Closure result = closure_;
closure_.Reset();
return result;
}
} // namespace base