87 lines
2.9 KiB
Swift
87 lines
2.9 KiB
Swift
//
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// Copyright 2022 New Vector Ltd
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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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import SwiftUI
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class UserIndicatorController: ObservableObject, UserIndicatorControllerProtocol, CustomStringConvertible {
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private let rootCoordinator: CoordinatorProtocol
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private var dismisalTimer: Timer?
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private var displayTimes = [String: Date]()
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var nonPersistentDisplayDuration = 2.5
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var minimumDisplayDuration = 0.5
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@Published private(set) var activeIndicator: UserIndicator?
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private(set) var indicatorQueue = [UserIndicator]() {
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didSet {
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activeIndicator = indicatorQueue.last
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if let activeIndicator, !activeIndicator.persistent {
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dismisalTimer?.invalidate()
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dismisalTimer = Timer.scheduledTimer(withTimeInterval: nonPersistentDisplayDuration, repeats: false) { [weak self] _ in
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self?.retractIndicatorWithId(activeIndicator.id)
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}
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}
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}
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}
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init(rootCoordinator: CoordinatorProtocol) {
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self.rootCoordinator = rootCoordinator
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}
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func toPresentable() -> AnyView {
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AnyView(
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UserIndicatorPresenter(userIndicatorController: self, rootView: rootCoordinator.toPresentable())
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)
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}
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func submitIndicator(_ indicator: UserIndicator) {
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if let index = indicatorQueue.firstIndex(where: { $0.id == indicator.id }) {
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indicatorQueue[index] = indicator
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} else {
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retractIndicatorWithId(indicator.id)
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indicatorQueue.append(indicator)
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}
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displayTimes[indicator.id] = .now
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}
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func retractAllIndicators() {
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for indicator in indicatorQueue {
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retractIndicatorWithId(indicator.id)
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}
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}
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func retractIndicatorWithId(_ id: String) {
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guard let displayTime = displayTimes[id], abs(displayTime.timeIntervalSinceNow) <= minimumDisplayDuration else {
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indicatorQueue.removeAll { $0.id == id }
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return
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}
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Timer.scheduledTimer(withTimeInterval: minimumDisplayDuration, repeats: false) { [weak self] _ in
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self?.indicatorQueue.removeAll { $0.id == id }
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self?.displayTimes[id] = nil
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}
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}
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// MARK: - CustomStringConvertible
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var description: String {
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"UserIndicatorController(\(String(describing: rootCoordinator)))"
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}
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}
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