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 #include "base/callback.h" 8 9 namespace base { 10 11 ScopedClosureRunner::ScopedClosureRunner() { 12 } 13 14 ScopedClosureRunner::ScopedClosureRunner(const Closure& closure) 15 : closure_(closure) { 16 } 17 18 ScopedClosureRunner::~ScopedClosureRunner() { 19 if (!closure_.is_null()) 20 closure_.Run(); 21 } 22 23 void ScopedClosureRunner::Reset() { 24 Closure old_closure = Release(); 25 if (!old_closure.is_null()) 26 old_closure.Run(); 27 } 28 29 void ScopedClosureRunner::Reset(const Closure& closure) { 30 Closure old_closure = Release(); 31 closure_ = closure; 32 if (!old_closure.is_null()) 33 old_closure.Run(); 34 } 35 36 Closure ScopedClosureRunner::Release() { 37 Closure result = closure_; 38 closure_.Reset(); 39 return result; 40 } 41 42 } // namespace base 43