1// Copyright (c) 2012 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_internal.h" 6 7#include "base/logging.h" 8 9namespace base { 10namespace internal { 11 12void CallbackBase::Reset() { 13 polymorphic_invoke_ = NULL; 14 // NULL the bind_state_ last, since it may be holding the last ref to whatever 15 // object owns us, and we may be deleted after that. 16 bind_state_ = NULL; 17} 18 19bool CallbackBase::Equals(const CallbackBase& other) const { 20 return bind_state_.get() == other.bind_state_.get() && 21 polymorphic_invoke_ == other.polymorphic_invoke_; 22} 23 24CallbackBase::CallbackBase(BindStateBase* bind_state) 25 : bind_state_(bind_state), 26 polymorphic_invoke_(NULL) { 27 DCHECK(!bind_state_.get() || bind_state_->HasOneRef()); 28} 29 30CallbackBase::~CallbackBase() { 31} 32 33} // namespace internal 34} // namespace base 35