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82 lines
2.7 KiB
C++
82 lines
2.7 KiB
C++
// Copyright 2023 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef THIRD_PARTY_NEARBY_SHARING_INTERNAL_API_WIFI_ADAPTER_H_
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#define THIRD_PARTY_NEARBY_SHARING_INTERNAL_API_WIFI_ADAPTER_H_
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#include <array>
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#include <functional>
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#include <optional>
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#include <string>
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#include "absl/status/status.h"
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namespace nearby {
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namespace sharing {
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namespace api {
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class WifiAdapter {
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public:
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enum class PermissionStatus {
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kUndetermined = 0,
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kSystemDenied,
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kUserDenied,
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kAllowed
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};
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class Observer {
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public:
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virtual ~Observer() = default;
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// Called when the presence of the adapter `adapter` changes. When `present`
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// is true the adapter is now present, false means the adapter has been
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// removed from the system.
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virtual void AdapterPresentChanged(WifiAdapter* adapter, bool present) {}
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// Called when the radio power state of the adapter `adapter` changes. When
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// `powered` is true the adapter radio is powered, false means the adapter
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// radio is off.
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virtual void AdapterPoweredChanged(WifiAdapter* adapter, bool powered) {}
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};
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virtual ~WifiAdapter() = default;
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// Indicates whether the adapter is actually present/not disabled by the
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// device firmware or hardware switch on the system.
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virtual bool IsPresent() const = 0;
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// Indicates whether the adapter radio is powered.
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virtual bool IsPowered() const = 0;
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// Requests a change to the adapter radio power. Setting `powered` to true
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// will turn on the radio and false will turn it off. On success,
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// `success_callback` will be called. On failure, `error_callback` will be
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// called.
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virtual void SetPowered(bool powered, std::function<void()> success_callback,
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std::function<void()> error_callback) = 0;
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// Adds and removes observers for events on this Wi-Fi adapter. If
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// monitoring multiple adapters, check the `adapter` parameter of observer
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// methods to determine which adapter is issuing the event.
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virtual void AddObserver(Observer* observer) = 0;
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virtual void RemoveObserver(Observer* observer) = 0;
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virtual bool HasObserver(Observer* observer) = 0;
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};
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} // namespace api
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} // namespace sharing
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} // namespace nearby
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#endif // THIRD_PARTY_NEARBY_SHARING_INTERNAL_API_WIFI_ADAPTER_H_
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