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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/android/profile_key_startup_accessor.h"
#include <type_traits>
#include "base/check.h"
#include "base/no_destructor.h"
ProfileKeyStartupAccessor::ProfileKeyStartupAccessor() : key_(nullptr) {}
// Hack to satisfy the compiler: ProfileKeyStartupAccessor's raw_ptr member
// may or may not be trivially destructible. If it isn't we have to use
// NoDestructor; if it is, we must not use NoDestructor. We use constexpr if
// to choose which to do, but the compiler will complain about the unused
// branch unless it's inside of a template, which is why this function exists.
template <typename T>
T* GetInstanceTemplated() {
if constexpr (std::is_trivially_destructible_v<T>) {
static T instance;
return &instance;
} else {
static base::NoDestructor<T> instance;
return instance.get();
}
}
// static
ProfileKeyStartupAccessor* ProfileKeyStartupAccessor::GetInstance() {
return GetInstanceTemplated<ProfileKeyStartupAccessor>();
}
void ProfileKeyStartupAccessor::SetProfileKey(ProfileKey* key) {
DCHECK(!key_);
key_ = key;
}
void ProfileKeyStartupAccessor::Reset() {
key_ = nullptr;
}
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