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Deactivate BG Tasks #257

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merged 2 commits into from
Mar 17, 2022
Merged

Deactivate BG Tasks #257

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bd10796
explicitly cancel BGTasks
Mar 17, 2022
744867d
add check to RefreshTask
Mar 17, 2022
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28 changes: 27 additions & 1 deletion Sources/DP3TSDK/Background/DP3TBackgroundTaskManager.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,15 @@ class DP3TBackgroundTaskManager {

private weak var tracer: Tracer!

var shouldReschedule: Bool = true
var shouldReschedule: Bool = true {
didSet {
if shouldReschedule == false {
if #available(iOS 13.0, *) {
cancelScheduledTask()
}
}
}
}

init(handler: DP3TBackgroundHandler?,
keyProvider: DiagnosisKeysProvider,
Expand Down Expand Up @@ -87,6 +95,11 @@ class DP3TBackgroundTaskManager {

private func handleiOS12BackgroundLaunch() {
logger.trace()

if !shouldReschedule {
return
}

let queue = OperationQueue()

if let handler = handler {
Expand All @@ -110,6 +123,10 @@ class DP3TBackgroundTaskManager {
private func handleExposureNotificationBackgroundTask(_ task: BGTask) {
logger.trace()
scheduleBackgroundTasks()

if !shouldReschedule {
return
}

let queue = OperationQueue()

Expand Down Expand Up @@ -154,6 +171,10 @@ class DP3TBackgroundTaskManager {
private func handleRefreshTask(_ task: BGTask) {
logger.trace()
scheduleBackgroundTasks()

if !shouldReschedule {
return
}

let queue = OperationQueue()
let completionGroup = DispatchGroup()
Expand Down Expand Up @@ -213,4 +234,9 @@ class DP3TBackgroundTaskManager {
logger.error("Exposure notification task schedule failed error: %{public}@", error.localizedDescription)
}
}

@available(iOS 13.0, *)
func cancelScheduledTask() {
BGTaskScheduler.shared.cancelAllTaskRequests()
}
}