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Generalise WireGuardObfuscationSettings-based SwiftUI view model
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44
... controllers/Settings/Obfuscation/TunnelObfuscationSettingsWatchingObservableObject.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| // | ||
| // TunnelObfuscationSettingsWatchingObservableObject.swift | ||
| // MullvadVPN | ||
| // | ||
| // Created by Andrew Bulhak on 2024-11-07. | ||
| // Copyright © 2024 Mullvad VPN AB. All rights reserved. | ||
| // | ||
|
|
||
| import Foundation | ||
| import MullvadSettings | ||
|
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| /// a generic ObservableObject that binds to obfuscation settings in TunnelManager. | ||
| /// Used as the basis for ViewModels for SwiftUI interfaces for these settings. | ||
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| class TunnelObfuscationSettingsWatchingObservableObject<T: Equatable>: ObservableObject { | ||
| let tunnelManager: TunnelManager | ||
| let keyPath: WritableKeyPath<WireGuardObfuscationSettings, T> | ||
| private var tunnelObserver: TunnelObserver? | ||
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| // this is essentially @Published from scratch | ||
| var value: T { | ||
| willSet(newValue) { | ||
| guard newValue != self.value else { return } | ||
| objectWillChange.send() | ||
| var obfuscationSettings = tunnelManager.settings.wireGuardObfuscation | ||
| obfuscationSettings[keyPath: keyPath] = newValue | ||
| } | ||
| } | ||
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| init(tunnelManager: TunnelManager, keyPath: WritableKeyPath<WireGuardObfuscationSettings, T>, _ initialValue: T) { | ||
| self.tunnelManager = tunnelManager | ||
| self.keyPath = keyPath | ||
| self.value = initialValue | ||
| tunnelObserver = | ||
| TunnelBlockObserver(didUpdateTunnelSettings: { [weak self] _, newSettings in | ||
| guard let self else { return } | ||
| updateValueFromSettings(newSettings.wireGuardObfuscation) | ||
| }) | ||
| } | ||
|
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| private func updateValueFromSettings(_ settings: WireGuardObfuscationSettings) { | ||
| let newValue = settings | ||
| } | ||
| } |
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