39 lines
1010 B
C++
39 lines
1010 B
C++
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style license that can be
|
||
|
|
// found in the LICENSE file.
|
||
|
|
|
||
|
|
#include "base/callback_internal.h"
|
||
|
|
|
||
|
|
#include "base/logging.h"
|
||
|
|
|
||
|
|
namespace base {
|
||
|
|
namespace internal {
|
||
|
|
|
||
|
|
bool CallbackBase::is_null() const {
|
||
|
|
return bind_state_.get() == NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
void CallbackBase::Reset() {
|
||
|
|
polymorphic_invoke_ = NULL;
|
||
|
|
// NULL the bind_state_ last, since it may be holding the last ref to whatever
|
||
|
|
// object owns us, and we may be deleted after that.
|
||
|
|
bind_state_ = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool CallbackBase::Equals(const CallbackBase& other) const {
|
||
|
|
return bind_state_.get() == other.bind_state_.get() &&
|
||
|
|
polymorphic_invoke_ == other.polymorphic_invoke_;
|
||
|
|
}
|
||
|
|
|
||
|
|
CallbackBase::CallbackBase(BindStateBase* bind_state)
|
||
|
|
: bind_state_(bind_state),
|
||
|
|
polymorphic_invoke_(NULL) {
|
||
|
|
DCHECK(!bind_state_.get() || bind_state_->HasOneRef());
|
||
|
|
}
|
||
|
|
|
||
|
|
CallbackBase::~CallbackBase() {
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace internal
|
||
|
|
} // namespace base
|