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Merge pull request #88 from NordicSemiconductor/feature/preview-perip…
…heral Simple CBMPeripheral implementation for Swift UI Previews
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| /* | ||
| * Copyright (c) 2020, Nordic Semiconductor | ||
| * All rights reserved. | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without modification, | ||
| * are permitted provided that the following conditions are met: | ||
| * | ||
| * 1. Redistributions of source code must retain the above copyright notice, this | ||
| * list of conditions and the following disclaimer. | ||
| * | ||
| * 2. Redistributions in binary form must reproduce the above copyright notice, this | ||
| * list of conditions and the following disclaimer in the documentation and/or | ||
| * other materials provided with the distribution. | ||
| * | ||
| * 3. Neither the name of the copyright holder nor the names of its contributors may | ||
| * be used to endorse or promote products derived from this software without | ||
| * specific prior written permission. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND | ||
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | ||
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | ||
| * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | ||
| * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | ||
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | ||
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
| * POSSIBILITY OF SUCH DAMAGE. | ||
| */ | ||
|
|
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| import Foundation | ||
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| /// A stub ``CBMPeripheral`` implementation designed only for SwiftUI Previews. | ||
| /// | ||
| /// The `CBMPeripheralPreview` object has very limited functionality. The implementation | ||
| /// handles connection but all request methods just call corresponding delegate method. | ||
| /// | ||
| /// All ``CBMService``s are available immediately, without the need for service discovery. | ||
| /// Bluetooth LE operations are NO OP. The device does not need to be scanned to | ||
| /// be retrievable by any ``CBMCentralManagerMock`` instance. | ||
| open class CBMPeripheralPreview: CBMPeripheral { | ||
| private let mock: CBMPeripheralSpec | ||
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| public let identifier: UUID | ||
| open var name: String? { | ||
| mock.name | ||
| } | ||
| public var services: [CBMService]? | ||
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| public var delegate: CBMPeripheralDelegate? | ||
| public internal(set) var state: CBMPeripheralState | ||
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| public let canSendWriteWithoutResponse: Bool = true | ||
| public let ancsAuthorized: Bool = false | ||
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| /// Creates the preview ``CBMPeripheral``. | ||
| /// - Parameters: | ||
| /// - mock: The mock peripheral to base the preview on. | ||
| /// - state: The state to return from ``CBMPeripheral/state``. | ||
| public init(_ mock: CBMPeripheralSpec, | ||
| state: CBMPeripheralState = .disconnected) { | ||
| self.mock = mock | ||
| self.identifier = mock.identifier | ||
| self.state = state | ||
| self.services = mock.services?.map { CBMService(copy: $0, for: self) } | ||
| CBMCentralManagerMock.registerForPreviews(self) | ||
| } | ||
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| open func readRSSI() { | ||
| delegate?.peripheral(self, didReadRSSI: mock.proximity.RSSI as NSNumber, error: nil) | ||
| } | ||
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| open func discoverServices(_ serviceUUIDs: [CBMUUID]?) { | ||
| delegate?.peripheral(self, didDiscoverServices: nil) | ||
| } | ||
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| open func discoverIncludedServices(_ includedServiceUUIDs: [CBMUUID]?, for service: CBMService) { | ||
| delegate?.peripheral(self, didDiscoverIncludedServicesFor: service, error: nil) | ||
| } | ||
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| open func discoverCharacteristics(_ characteristicUUIDs: [CBMUUID]?, for service: CBMService) { | ||
| delegate?.peripheral(self, didDiscoverCharacteristicsFor: service, error: nil) | ||
| } | ||
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| open func discoverDescriptors(for characteristic: CBMCharacteristic) { | ||
| delegate?.peripheral(self, didDiscoverDescriptorsFor: characteristic, error: nil) | ||
| } | ||
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| open func readValue(for characteristic: CBMCharacteristic) { | ||
| delegate?.peripheral(self, didUpdateValueFor: characteristic, error: nil) | ||
| } | ||
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| open func readValue(for descriptor: CBMDescriptor) { | ||
| delegate?.peripheral(self, didUpdateValueFor: descriptor, error: nil) | ||
| } | ||
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| open func maximumWriteValueLength(for type: CBMCharacteristicWriteType) -> Int { | ||
| return (mock.mtu ?? 23) - 3 | ||
| } | ||
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| open func writeValue(_ data: Data, for characteristic: CBMCharacteristic, | ||
| type: CBMCharacteristicWriteType) { | ||
| if type == .withResponse { | ||
| delegate?.peripheral(self, didWriteValueFor: characteristic, error: nil) | ||
| } | ||
| } | ||
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| open func writeValue(_ data: Data, for descriptor: CBMDescriptor) { | ||
| delegate?.peripheral(self, didWriteValueFor: descriptor, error: nil) | ||
| } | ||
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| open func setNotifyValue(_ enabled: Bool, for characteristic: CBMCharacteristic) { | ||
| delegate?.peripheral(self, didUpdateNotificationStateFor: characteristic, error: nil) | ||
| } | ||
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| open func openL2CAPChannel(_ PSM: CBML2CAPPSM) { | ||
| fatalError("Not available") | ||
| } | ||
| } | ||
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| extension CBMPeripheralPreview: Hashable { | ||
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| public static func == (lhs: CBMPeripheralPreview, rhs: CBMPeripheralPreview) -> Bool { | ||
| return lhs.identifier == rhs.identifier | ||
| } | ||
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| public func hash(into hasher: inout Hasher) { | ||
| hasher.combine(identifier) | ||
| } | ||
|
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| } |
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