102 lines
2.8 KiB
C++
102 lines
2.8 KiB
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 "include/base/internal/cef_callback_internal.h"
|
|
|
|
#include "include/base/cef_logging.h"
|
|
|
|
namespace base {
|
|
namespace cef_internal {
|
|
|
|
namespace {
|
|
|
|
bool QueryCancellationTraitsForNonCancellables(
|
|
const BindStateBase*,
|
|
BindStateBase::CancellationQueryMode mode) {
|
|
switch (mode) {
|
|
case BindStateBase::IS_CANCELLED:
|
|
return false;
|
|
case BindStateBase::MAYBE_VALID:
|
|
return true;
|
|
}
|
|
NOTREACHED();
|
|
return false;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
void BindStateBaseRefCountTraits::Destruct(const BindStateBase* bind_state) {
|
|
bind_state->destructor_(bind_state);
|
|
}
|
|
|
|
BindStateBase::BindStateBase(InvokeFuncStorage polymorphic_invoke,
|
|
void (*destructor)(const BindStateBase*))
|
|
: BindStateBase(polymorphic_invoke,
|
|
destructor,
|
|
&QueryCancellationTraitsForNonCancellables) {}
|
|
|
|
BindStateBase::BindStateBase(
|
|
InvokeFuncStorage polymorphic_invoke,
|
|
void (*destructor)(const BindStateBase*),
|
|
bool (*query_cancellation_traits)(const BindStateBase*,
|
|
CancellationQueryMode))
|
|
: polymorphic_invoke_(polymorphic_invoke),
|
|
destructor_(destructor),
|
|
query_cancellation_traits_(query_cancellation_traits) {}
|
|
|
|
CallbackBase& CallbackBase::operator=(CallbackBase&& c) noexcept = default;
|
|
CallbackBase::CallbackBase(const CallbackBaseCopyable& c)
|
|
: bind_state_(c.bind_state_) {}
|
|
|
|
CallbackBase& CallbackBase::operator=(const CallbackBaseCopyable& c) {
|
|
bind_state_ = c.bind_state_;
|
|
return *this;
|
|
}
|
|
|
|
CallbackBase::CallbackBase(CallbackBaseCopyable&& c) noexcept
|
|
: bind_state_(std::move(c.bind_state_)) {}
|
|
|
|
CallbackBase& CallbackBase::operator=(CallbackBaseCopyable&& c) noexcept {
|
|
bind_state_ = std::move(c.bind_state_);
|
|
return *this;
|
|
}
|
|
|
|
void CallbackBase::Reset() {
|
|
// 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_ = nullptr;
|
|
}
|
|
|
|
bool CallbackBase::IsCancelled() const {
|
|
DCHECK(bind_state_);
|
|
return bind_state_->IsCancelled();
|
|
}
|
|
|
|
bool CallbackBase::MaybeValid() const {
|
|
DCHECK(bind_state_);
|
|
return bind_state_->MaybeValid();
|
|
}
|
|
|
|
bool CallbackBase::EqualsInternal(const CallbackBase& other) const {
|
|
return bind_state_ == other.bind_state_;
|
|
}
|
|
|
|
CallbackBase::~CallbackBase() = default;
|
|
|
|
CallbackBaseCopyable::CallbackBaseCopyable(const CallbackBaseCopyable& c) {
|
|
bind_state_ = c.bind_state_;
|
|
}
|
|
|
|
CallbackBaseCopyable& CallbackBaseCopyable::operator=(
|
|
const CallbackBaseCopyable& c) {
|
|
bind_state_ = c.bind_state_;
|
|
return *this;
|
|
}
|
|
|
|
CallbackBaseCopyable& CallbackBaseCopyable::operator=(
|
|
CallbackBaseCopyable&& c) noexcept = default;
|
|
|
|
} // namespace cef_internal
|
|
} // namespace base
|