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GeoMonitor
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Avoid duplicated work when first scheduling an update, but then updating now 

Also might help with duplicated calls to update
This commit is contained in:
Adrian Schoenig 2022-12-08 18:10:09 +11:00
parent 46fedf24a9
commit 228062267a
1 changed files with 7 additions and 5 deletions
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12
Sources/GeoMonitor/GeoMonitor.swift
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@ -306,12 +306,12 @@ public class GeoMonitor: NSObject, ObservableObject {
/// this is called in quick succession.
public func scheduleUpdate(regions: [CLCircularRegion]) async {
let location = isMonitoring ? (try? await fetchCurrentLocation()) : nil
monitorDebounced(regions, location: location)
monitorDebounced(regions, location: location, delay: 2.5)
}
public func update(regions: [CLCircularRegion]) async {
let location = isMonitoring ? (try? await fetchCurrentLocation()) : nil
monitorNow(regions, location: location)
monitorDebounced(regions, location: location)
}
/// Trigger a check whether the user is in any of the registered regions and, if so, trigger the primary
@ -390,15 +390,17 @@ extension GeoMonitor {
extension GeoMonitor {
func monitorDebounced(_ regions: [CLCircularRegion], location: CLLocation?) {
private func monitorDebounced(_ regions: [CLCircularRegion], location: CLLocation?, delay: TimeInterval? = nil) {
monitorTask?.cancel()
monitorTask = Task {
try await Task.sleep(nanoseconds: 2_500_000_000)
if let delay {
try await Task.sleep(nanoseconds: UInt64(delay * 1_000_000_000))
}
monitorNow(regions, location: location)
}
}
func monitorNow(_ regions: [CLCircularRegion], location: CLLocation?) {
private func monitorNow(_ regions: [CLCircularRegion], location: CLLocation?) {
guard !Task.isCancelled else { return }
// Remember all the regions, if it currently too far away