base/callback_internal.cc

   1 // Copyright (c) 2011 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 namespace base {
   8 namespace internal {
   9
  10 bool CallbackBase::is_null() const {
  11   return invoker_storage_.get() == NULL;
  12 }
  13
  14 void CallbackBase::Reset() {
  15   invoker_storage_ = NULL;
  16   polymorphic_invoke_ = NULL;
  17 }
  18
  19 bool CallbackBase::Equals(const CallbackBase& other) const {
  20   return invoker_storage_.get() == other.invoker_storage_.get() &&
  21          polymorphic_invoke_ == other.polymorphic_invoke_;
  22 }
  23
  24 CallbackBase::CallbackBase(InvokeFuncStorage polymorphic_invoke,
  25                            scoped_refptr<InvokerStorageBase>* invoker_storage)
  26     : polymorphic_invoke_(polymorphic_invoke) {
  27   if (invoker_storage) {
  28     invoker_storage_.swap(*invoker_storage);
  29   }
  30 }
  31
  32 CallbackBase::~CallbackBase() {
  33 }
  34
  35 }  // namespace base
  36 }  // namespace internal