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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_INVALIDATION_INVALIDATION_FACTORY_H_
#define COMPONENTS_INVALIDATION_INVALIDATION_FACTORY_H_
#include <stdint.h>
#include <memory>
#include <string>
#include <string_view>
#include <variant>
#include "base/memory/scoped_refptr.h"
#include "components/invalidation/invalidation_listener.h"
#include "components/invalidation/public/invalidation_service.h"
class PrefService;
namespace gcm {
class GCMDriver;
}
namespace instance_id {
class InstanceIDDriver;
}
namespace network {
class SharedURLLoaderFactory;
}
namespace invalidation {
class IdentityProvider;
bool IsInvalidationListenerSupported(int64_t project_number);
std::variant<std::unique_ptr<InvalidationService>,
std::unique_ptr<InvalidationListener>>
CreateInvalidationServiceOrListener(
IdentityProvider* identity_provider,
gcm::GCMDriver* gcm_driver,
instance_id::InstanceIDDriver* instance_id_driver,
scoped_refptr<network::SharedURLLoaderFactory> url_loader_factory,
PrefService* pref_service,
int64_t project_number,
std::string log_prefix);
// Converts a variant of unique pointers to a corresponding variant of raw
// pointers.
template <typename T, typename U>
auto UniquePointerVariantToPointer(
const std::variant<std::unique_ptr<T>, std::unique_ptr<U>>& v) {
return std::visit(
[](auto&& arg) -> std::variant<T*, U*> { return arg.get(); }, v);
}
// Converts a variant of raw pointers to a corresponding variant of `raw_ptr`.
template <typename T, typename U>
auto PointerVariantToRawPointer(const std::variant<T*, U*>& v) {
return std::visit(
[](auto&& arg) -> std::variant<raw_ptr<T>, raw_ptr<U>> { return arg; },
v);
}
// Converts a variant of `raw_ptr` to a corresponding variant of raw pointers.
template <typename T, typename U>
auto RawPointerVariantToPointer(const std::variant<raw_ptr<T>, raw_ptr<U>>& v) {
return std::visit([](auto&& arg) -> std::variant<T*, U*> { return arg; }, v);
}
} // namespace invalidation
#endif // COMPONENTS_INVALIDATION_INVALIDATION_FACTORY_H_
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