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- // Copyright 2017 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.
- #ifndef SERVICES_NETWORK_NETWORK_CHANGE_MANAGER_H_
- #define SERVICES_NETWORK_NETWORK_CHANGE_MANAGER_H_
- #include <memory>
- #include <vector>
- #include "base/component_export.h"
- #include "build/build_config.h"
- #include "build/chromeos_buildflags.h"
- #include "mojo/public/cpp/bindings/receiver_set.h"
- #include "mojo/public/cpp/bindings/remote.h"
- #include "net/base/network_change_notifier.h"
- #include "services/network/public/mojom/network_change_manager.mojom.h"
- namespace network {
- // Implementation of mojom::NetworkChangeManager. All accesses to this class are
- // done through mojo on the main thread. This registers itself to receive
- // broadcasts from net::NetworkChangeNotifier and rebroadcasts the notifications
- // to mojom::NetworkChangeManagerClients through mojo pipes.
- class COMPONENT_EXPORT(NETWORK_SERVICE) NetworkChangeManager
- : public mojom::NetworkChangeManager,
- public net::NetworkChangeNotifier::NetworkChangeObserver {
- public:
- // If |network_change_notifier| is not null, |this| will take ownership of it.
- // Otherwise, the global net::NetworkChangeNotifier will be used.
- explicit NetworkChangeManager(
- std::unique_ptr<net::NetworkChangeNotifier> network_change_notifier);
- NetworkChangeManager(const NetworkChangeManager&) = delete;
- NetworkChangeManager& operator=(const NetworkChangeManager&) = delete;
- ~NetworkChangeManager() override;
- // Binds a NetworkChangeManager receiver to this object. Mojo messages
- // coming through the associated pipe will be served by this object.
- void AddReceiver(mojo::PendingReceiver<mojom::NetworkChangeManager> receiver);
- // mojom::NetworkChangeManager implementation:
- void RequestNotifications(
- mojo::PendingRemote<mojom::NetworkChangeManagerClient> client_remote)
- override;
- #if BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_ANDROID)
- void OnNetworkChanged(
- bool dns_changed,
- bool ip_address_changed,
- bool connection_type_changed,
- mojom::ConnectionType new_connection_type,
- bool connection_subtype_changed,
- mojom::ConnectionSubtype new_connection_subtype) override;
- #endif
- size_t GetNumClientsForTesting() const;
- private:
- // Handles connection errors on notification pipes.
- void NotificationPipeBroken(mojom::NetworkChangeManagerClient* client);
- // net::NetworkChangeNotifier::NetworkChangeObserver implementation:
- void OnNetworkChanged(
- net::NetworkChangeNotifier::ConnectionType type) override;
- std::unique_ptr<net::NetworkChangeNotifier> network_change_notifier_;
- mojo::ReceiverSet<mojom::NetworkChangeManager> receivers_;
- std::vector<mojo::Remote<mojom::NetworkChangeManagerClient>> clients_;
- mojom::ConnectionType connection_type_;
- };
- } // namespace network
- #endif // SERVICES_NETWORK_NETWORK_CHANGE_MANAGER_H_
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