15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/callback_internal.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace base { 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace internal { 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool CallbackBase::is_null() const { 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return bind_state_.get() == NULL; 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void CallbackBase::Reset() { 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) polymorphic_invoke_ = NULL; 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NULL the bind_state_ last, since it may be holding the last ref to whatever 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // object owns us, and we may be deleted after that. 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bind_state_ = NULL; 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool CallbackBase::Equals(const CallbackBase& other) const { 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return bind_state_.get() == other.bind_state_.get() && 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) polymorphic_invoke_ == other.polymorphic_invoke_; 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)CallbackBase::CallbackBase(BindStateBase* bind_state) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : bind_state_(bind_state), 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) polymorphic_invoke_(NULL) { 31868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) DCHECK(!bind_state_.get() || bind_state_->HasOneRef()); 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)CallbackBase::~CallbackBase() { 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace internal 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace base 39