Files
element-x-ios/ElementX/Sources/Application/Settings/ConfigurableSetting.swift
T
Doug 82c659f3da Refactor Rageshake URL and Target configuration. (#4337)
* Move the rageshakeURL configuration from the BugReportService to AppSettings.

* Refactor Target to return a handle when configuring.

This helps with reconfiguration and removes the @MainActor constraint.
2025-07-22 10:19:26 +01:00

36 lines
1.1 KiB
Swift

//
// Copyright 2025 New Vector Ltd.
//
// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
// Please see LICENSE files in the repository root for full details.
//
import Combine
/// A setting that can be instantiated with an initial value, overridden and reset back again,
/// automatically publishing the changes for downstream subscribers to react to.
///
/// Unlike ``UserPreference``, this type of setting isn't settable by the user, nor is the
/// override persisted between app launches.
struct ConfigurableSetting<T: Equatable> {
private let initialValue: T
private let subject: CurrentValueSubject<T, Never>
var publisher: CurrentValuePublisher<T, Never> { subject.asCurrentValuePublisher() }
var isOverridden: Bool { subject.value != initialValue }
init(_ initialValue: T) {
self.initialValue = initialValue
subject = .init(initialValue)
}
func override(_ value: T) {
subject.send(value)
}
func reset() {
if isOverridden {
subject.send(initialValue)
}
}
}