59 lines
2.2 KiB
Swift
59 lines
2.2 KiB
Swift
//
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// MyCentralManagerHostApi.swift
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// bluetooth_low_energy
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//
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// Created by 闫守旺 on 2022/9/20.
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//
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import Foundation
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import CoreBluetooth
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class MyCentralManagerHostApi: NSObject, PigeonCentralManagerHostApi {
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func authorize(_ completion: @escaping (NSNumber?, FlutterError?) -> Void) {
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let state = central.state
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if state == .unknown {
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items[KEY_AUTHORIZE_COMPLETION] = completion
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} else {
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let authorized = NSNumber(value: state != .unauthorized)
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completion(authorized, nil)
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}
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}
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func getState(_ error: AutoreleasingUnsafeMutablePointer<FlutterError?>) -> NSNumber? {
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return NSNumber(value: central.stateNumber)
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}
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func addStateObserver(_ error: AutoreleasingUnsafeMutablePointer<FlutterError?>) {
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items[KEY_STATE_OBSERVER] = central.stateNumber
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}
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func removeStateObserver(_ error: AutoreleasingUnsafeMutablePointer<FlutterError?>) {
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items.removeValue(forKey: KEY_STATE_OBSERVER)
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}
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func startScan(_ uuidBuffers: [FlutterStandardTypedData]?, completion: @escaping (FlutterError?) -> Void) {
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let withServices: [CBUUID]? = uuidBuffers?.map {
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let uuid = try! Proto_UUID(serializedData: $0.data)
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return CBUUID(string: uuid.value)
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}
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let options = [CBCentralManagerScanOptionAllowDuplicatesKey: true]
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central.scanForPeripherals(withServices: withServices, options: options)
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completion(nil)
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}
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func stopScan(_ error: AutoreleasingUnsafeMutablePointer<FlutterError?>) {
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central.stopScan()
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}
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func connect(_ uuidBuffer: FlutterStandardTypedData, completion: @escaping (FlutterStandardTypedData?, FlutterError?) -> Void) {
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let uuid = try! Proto_UUID(serializedData: uuidBuffer.data)
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let withIdentifiers = [UUID(uuidString: uuid.value)!]
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let peripheral = central.retrievePeripherals(withIdentifiers: withIdentifiers).first!
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central.connect(peripheral)
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items["\(peripheral.hash)/\(KEY_CONNECT_COMPLETION)"] = completion
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// Keep a refrence right now to avoid system cancel the connection.
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let id = NSNumber(value: peripheral.hash)
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instances[id] = peripheral
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}
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}
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