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Add background app refresh.

This commit is contained in:
Maurice Parker 2019-04-23 10:29:14 -05:00
parent bf1f02d084
commit 2a839a3b92
1 changed files with 32 additions and 1 deletions
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33
iOS/AppDelegate.swift
View File

@ -24,6 +24,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate, UISplitViewControllerDele
var feedIconDownloader: FeedIconDownloader! var feedIconDownloader: FeedIconDownloader!
private let log = Log() private let log = Log()
private var didDownloadArticles = false
var unreadCount = 0 { var unreadCount = 0 {
didSet { didSet {
@ -87,7 +88,14 @@ class AppDelegate: UIResponder, UIApplicationDelegate, UISplitViewControllerDele
} }
} }
} }
// TODO: Remove this testing code...
// AppDefaults.refreshInterval = RefreshInterval.every10Minutes
UIApplication.shared.setMinimumBackgroundFetchInterval(AppDefaults.refreshInterval.inSeconds())
NotificationCenter.default.addObserver(self, selector: #selector(accountDidDownloadArticles(_:)), name: .AccountDidDownloadArticles, object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(userDefaultsDidChange(_:)), name: UserDefaults.didChangeNotification, object: nil)
return true return true
} }
@ -133,6 +141,21 @@ class AppDelegate: UIResponder, UIApplicationDelegate, UISplitViewControllerDele
// Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:. // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
} }
func application(_ application: UIApplication, performFetchWithCompletionHandler completionHandler: @escaping (UIBackgroundFetchResult) -> Void) {
AccountManager.shared.refreshAll()
while (!AccountManager.shared.combinedRefreshProgress.isComplete) {
sleep(1)
}
if didDownloadArticles {
completionHandler(.newData)
} else {
completionHandler(.noData)
}
}
// MARK: - Split view // MARK: - Split view
func splitViewController(_ splitViewController: UISplitViewController, collapseSecondary secondaryViewController:UIViewController, onto primaryViewController:UIViewController) -> Bool { func splitViewController(_ splitViewController: UISplitViewController, collapseSecondary secondaryViewController:UIViewController, onto primaryViewController:UIViewController) -> Bool {
@ -152,7 +175,15 @@ class AppDelegate: UIResponder, UIApplicationDelegate, UISplitViewControllerDele
unreadCount = AccountManager.shared.unreadCount unreadCount = AccountManager.shared.unreadCount
} }
} }
@objc func userDefaultsDidChange(_ note: Notification) {
UIApplication.shared.setMinimumBackgroundFetchInterval(AppDefaults.refreshInterval.inSeconds())
}
@objc func accountDidDownloadArticles(_ note: Notification) {
didDownloadArticles = true
}
// MARK: - API // MARK: - API
func logMessage(_ message: String, type: LogItem.ItemType) { func logMessage(_ message: String, type: LogItem.ItemType) {