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+//
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+// Copyright © 2024 osy. All rights reserved.
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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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+// http://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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+//
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+
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+import SwiftUI
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+import UniformTypeIdentifiers
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+
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+struct MacDeviceLabel<Title>: View where Title : StringProtocol {
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+ let title: Title
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+ let device: MacDevice
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+
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+ init(_ title: Title, device macDevice: MacDevice) {
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+ self.title = title
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+ self.device = macDevice
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+ }
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+
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+ var body: some View {
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+ Label(title, systemImage: device.symbolName)
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+ }
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+}
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+
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+// credits: https://adamdemasi.com/2023/04/15/mac-device-icon-by-device-class.html
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+
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+private extension UTTagClass {
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+ static let deviceModelCode = UTTagClass(rawValue: "com.apple.device-model-code")
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+}
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+
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+private extension UTType {
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+ static let macBook = UTType("com.apple.mac.laptop")
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+ static let macBookWithNotch = UTType("com.apple.mac.notched-laptop")
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+ static let macMini = UTType("com.apple.macmini")
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+ static let macStudio = UTType("com.apple.macstudio")
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+ static let iMac = UTType("com.apple.imac")
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+ static let macPro = UTType("com.apple.macpro")
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+ static let macPro2013 = UTType("com.apple.macpro-cylinder")
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+ static let macPro2019 = UTType("com.apple.macpro-2019")
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+}
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+
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+struct MacDevice {
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+ let model: String
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+ let symbolName: String
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+
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+ #if os(macOS)
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+ static let current: Self = {
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+ let key = "hw.model"
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+ var size = size_t()
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+ sysctlbyname(key, nil, &size, nil, 0)
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+ let value = malloc(size)
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+ defer {
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+ value?.deallocate()
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+ }
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+ sysctlbyname(key, value, &size, nil, 0)
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+ guard let cChar = value?.bindMemory(to: CChar.self, capacity: size) else {
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+ return Self(model: "Unknown")
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+ }
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+ return Self(model: String(cString: cChar))
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+ }()
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+ #endif
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+
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+ init(model: String?) {
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+ self.model = model ?? "Unknown"
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+ self.symbolName = Self.symbolName(from: self.model)
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+ }
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+
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+ private static func checkModel(_ model: String, conformsTo type: UTType?) -> Bool {
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+ guard let type else {
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+ return false
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+ }
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+ return UTType(tag: model, tagClass: .deviceModelCode, conformingTo: nil)?.conforms(to: type) ?? false
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+ }
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+
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+ private static func symbolName(from model: String) -> String {
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+ if checkModel(model, conformsTo: .macBookWithNotch),
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+ #available(macOS 14, iOS 17, macCatalyst 17, tvOS 17, watchOS 10, *) {
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+ // macbook.gen2 was added with SF Symbols 5.0 (macOS Sonoma, 2023), but MacBooks with a notch
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+ // were released in 2021!
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+ return "macbook.gen2"
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+ } else if checkModel(model, conformsTo: .macBook) {
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+ return "laptopcomputer"
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+ } else if checkModel(model, conformsTo: .macMini) {
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+ return "macmini"
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+ } else if checkModel(model, conformsTo: .macStudio) {
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+ return "macstudio"
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+ } else if checkModel(model, conformsTo: .iMac) {
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+ return "desktopcomputer"
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+ } else if checkModel(model, conformsTo: .macPro2019) {
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+ return "macpro.gen3"
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+ } else if checkModel(model, conformsTo: .macPro2013) {
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+ return "macpro.gen2"
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+ } else if checkModel(model, conformsTo: .macPro) {
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+ return "macpro"
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+ }
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+ return "display"
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+ }
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+}
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+
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+#Preview {
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+ MacDeviceLabel("MacBook", device: MacDevice(model: "Mac14,6"))
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+}
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osy