| // Copyright 2012 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/functional/callback_internal.h" |
| |
| #include "base/check.h" |
| #include "base/notreached.h" |
| #include "base/types/cxx23_to_underlying.h" |
| |
| namespace base::internal { |
| |
| namespace { |
| |
| bool QueryCancellationTraitsForNonCancellables( |
| const BindStateBase*, |
| BindStateBase::CancellationQueryMode mode) { |
| // Non-cancellables are never cancelled and always valid, which means the |
| // response for each mode is the same as its underlying value. |
| return to_underlying(mode); |
| } |
| |
| } // namespace |
| |
| void BindStateBaseRefCountTraits::Destruct(const BindStateBase* bind_state) { |
| bind_state->destructor_(bind_state); |
| } |
| |
| BindStateBase::BindStateBase(InvokeFuncStorage polymorphic_invoke, |
| DestructorPtr destructor) |
| : BindStateBase(polymorphic_invoke, |
| destructor, |
| &QueryCancellationTraitsForNonCancellables) {} |
| |
| BindStateBase::BindStateBase( |
| InvokeFuncStorage polymorphic_invoke, |
| DestructorPtr destructor, |
| QueryCancellationTraitsPtr query_cancellation_traits) |
| : polymorphic_invoke_(polymorphic_invoke), |
| destructor_(destructor), |
| query_cancellation_traits_(query_cancellation_traits) {} |
| |
| BindStateHolder& BindStateHolder::operator=(BindStateHolder&&) noexcept = |
| default; |
| |
| BindStateHolder::BindStateHolder(const BindStateHolder&) = default; |
| |
| BindStateHolder& BindStateHolder::operator=(const BindStateHolder&) = default; |
| |
| BindStateHolder::~BindStateHolder() = default; |
| |
| void BindStateHolder::Reset() { |
| bind_state_ = nullptr; |
| } |
| |
| bool BindStateHolder::IsCancelled() const { |
| DCHECK(bind_state_); |
| return bind_state_->IsCancelled(); |
| } |
| |
| bool BindStateHolder::MaybeValid() const { |
| DCHECK(bind_state_); |
| return bind_state_->MaybeValid(); |
| } |
| |
| } // namespace base::internal |