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85 lines
3.2 KiB
Objective-C
85 lines
3.2 KiB
Objective-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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// Note: File language is detected using heuristics. Many Objective-C++ headers are incorrectly
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// classified as C++ resulting in invalid linter errors. The use of "NSArray" and other Foundation
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// classes like "NSData", "NSDictionary" and "NSUUID" are highly weighted for Objective-C and
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// Objective-C++ scores. Oddly, "#import <Foundation/Foundation.h>" does not contribute any points.
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// This comment alone should be enough to trick the IDE in to believing this is actually some sort
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// of Objective-C file. See: cs/google3/devtools/search/lang/recognize_language_classifiers_data
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#import <CoreBluetooth/CoreBluetooth.h>
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#import <Foundation/Foundation.h>
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#include <string>
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#include "internal/platform/implementation/ble_v2.h"
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@protocol GNCPeripheral;
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namespace nearby {
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namespace apple {
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// An empty peripheral.
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//
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// Apple APIs do not expose a peripheral's MAC address and does not provide a
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// way to directly connect to a given MAC address. Instead a connection can only
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// be made using a CoreBluetooth peripheral object. Many times a CoreBluetooth
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// peripheral is not available, namely, when the remote device is a central. For
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// these cases, an EmptyBlePeripheral should be used.
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class EmptyBlePeripheral : public api::ble_v2::BlePeripheral {
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public:
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EmptyBlePeripheral();
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~EmptyBlePeripheral() override = default;
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// Returns an empty string.
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std::string GetAddress() const override;
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// Returns an immutable unique identifier. The identifier does not change when
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// the peripheral's address is rotated.
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api::ble_v2::BlePeripheral::UniqueId GetUniqueId() const override;
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private:
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api::ble_v2::BlePeripheral::UniqueId unique_id_;
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};
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// A wrapper of a CoreBluetooth peripheral object. This can be used to uniquely
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// identify a peripheral and connect to its GATT server.
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//
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// Many times a CoreBluetooth peripheral is not available, namely, when the
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// remote device is a central. For these cases, an EmptyBlePeripheral should be
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// used instead.
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class BlePeripheral : public api::ble_v2::BlePeripheral {
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public:
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explicit BlePeripheral(id<GNCPeripheral> peripheral);
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~BlePeripheral() override = default;
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// Returns an empty string.
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std::string GetAddress() const override;
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// Returns an immutable unique identifier. The identifier does not change when
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// the peripheral's address is rotated.
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api::ble_v2::BlePeripheral::UniqueId GetUniqueId() const override;
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// Returns the CoreBluetooth peripheral object.
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id<GNCPeripheral> GetPeripheral() const;
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private:
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id<GNCPeripheral> peripheral_;
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api::ble_v2::BlePeripheral::UniqueId unique_id_;
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};
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} // namespace apple
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} // namespace nearby
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