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 9 namespace base { 10 namespace internal { 11 Reset()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 Equals(const CallbackBase & other) const19bool CallbackBase::Equals(const CallbackBase& other) const { 20 return bind_state_.get() == other.bind_state_.get() && 21 polymorphic_invoke_ == other.polymorphic_invoke_; 22 } 23 CallbackBase(BindStateBase * bind_state)24CallbackBase::CallbackBase(BindStateBase* bind_state) 25 : bind_state_(bind_state), 26 polymorphic_invoke_(NULL) { 27 DCHECK(!bind_state_.get() || bind_state_->HasOneRef()); 28 } 29 ~CallbackBase()30CallbackBase::~CallbackBase() { 31 } 32 33 } // namespace internal 34 } // namespace base 35