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