@ -17,6 +17,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterD
var window : UIWindow ?
var backgroundSnapshotBlockerWindow : UIWindow ?
var appStartupWindow : UIWindow ?
var initialLaunchFailed : Bool = false
var hasInitialRootViewController : Bool = false
var startTime : CFTimeInterval = 0
private var loadingViewController : LoadingViewController ?
@ -71,6 +72,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterD
migrationsCompletion : { [ weak self ] result , needsConfigSync in
if case . failure ( let error ) = result {
DispatchQueue . main . async {
self ? . initialLaunchFailed = true
self ? . showFailedStartupAlert ( calledFrom : . finishLaunching , error : . databaseError ( error ) )
}
return
@ -135,10 +137,23 @@ class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterD
// R e s u m e d a t a b a s e
NotificationCenter . default . post ( name : Database . resumeNotification , object : self )
// R e s e t t h e ' s t a r t T i m e ' ( s i n c e i t w o u l d b e i n v a l i d f r o m t h e l a s t l a u n c h )
startTime = CACurrentMediaTime ( )
// I f w e ' v e a l r e a d y c o m p l e t e d m i g r a t i o n s a t l e a s t o n c e t h i s l a u n c h t h e n c h e c k
// t o s e e i f a n y " d e l a y e d " m i g r a t i o n s n o w n e e d t o r u n
if Storage . shared . hasCompletedMigrations {
let initialLaunchFailed : Bool = self . initialLaunchFailed
AppReadiness . invalidate ( )
// I f t h e u s e r w e n t t o t h e b a c k g r o u n d t o o q u i c k l y t h e n t h e d a t a b a s e c a n b e s u s p e n d e d b e f o r e
// p r o p e r l y s t a r t i n g u p , i n t h i s c a s e a n a l e r t w i l l b e s h o w n b u t w e c a n r e c o v e r f r o m i t s o
// d i s m i s s a n y a l e r t s t h a t w e r e s h o w n
if initialLaunchFailed {
self . window ? . rootViewController ? . dismiss ( animated : false )
}
AppSetup . runPostSetupMigrations (
migrationProgressChanged : { [ weak self ] progress , minEstimatedTotalTime in
self ? . loadingViewController ? . updateProgress (
@ -149,18 +164,26 @@ class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterD
migrationsCompletion : { [ weak self ] result , needsConfigSync in
if case . failure ( let error ) = result {
DispatchQueue . main . async {
self ? . showFailedStartupAlert ( calledFrom : . enterForeground , error : . databaseError ( error ) )
self ? . showFailedStartupAlert (
calledFrom : . enterForeground ( initialLaunchFailed : initialLaunchFailed ) ,
error : . databaseError ( error )
)
}
return
}
self ? . completePostMigrationSetup ( calledFrom : . enterForeground , needsConfigSync : needsConfigSync )
self ? . completePostMigrationSetup (
calledFrom : . enterForeground ( initialLaunchFailed : initialLaunchFailed ) ,
needsConfigSync : needsConfigSync
)
}
)
}
}
func applicationDidEnterBackground ( _ application : UIApplication ) {
if ! hasInitialRootViewController { SNLog ( " Entered background before startup was completed " ) }
DDLog . flushLog ( )
// N O T E : F i x a n e d g e c a s e w h e r e u s e r t a p s o n t h e c a l l k i t n o t i f i c a t i o n
@ -264,6 +287,12 @@ class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterD
BackgroundPoller . isValid = true
AppReadiness . runNowOrWhenAppDidBecomeReady {
// I f t h e ' A p p R e a d i n e s s ' p r o c e s s t a k e s t o o l o n g t h e n i t ' s p o s s i b l e f o r t h e u s e r t o o p e n
// t h e a p p a f t e r t h i s c l o s u r e i s r e g i s t e r e d b u t b e f o r e i t ' s a c t u a l l y t r i g g e r e d - t h i s c a n
// r e s u l t i n t h e ` B a c k g r o u n d P o l l e r ` i n c o r r e c t l y g e t t i n g c a l l e d i n t h e f o r e g r o u n d , t h i s c h e c k
// i s h e r e t o p r e v e n t t h a t
guard CurrentAppContext ( ) . isInBackground ( ) else { return }
BackgroundPoller . poll { result in
guard BackgroundPoller . isValid else { return }
@ -283,6 +312,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterD
// MARK: - A p p R e a d i n e s s
private func completePostMigrationSetup ( calledFrom lifecycleMethod : LifecycleMethod , needsConfigSync : Bool ) {
SNLog ( " Migrations completed, performing setup and ensuring rootViewController " )
Configuration . performMainSetup ( )
JobRunner . add ( executor : SyncPushTokensJob . self , for : . syncPushTokens )
@ -292,6 +322,9 @@ class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterD
// t h e u s e r i s i n a n i n v a l i d s t a t e ( a n d s h o u l d h a v e a l r e a d y b e e n s h o w n a m o d a l )
guard success else { return }
self ? . initialLaunchFailed = false
SNLog ( " Migrations completed, performing setup and ensuring rootViewController " )
// / T r i g g e r a n y l a u n c h - s p e c i f i c j o b s a n d s t a r t t h e J o b R u n n e r w i t h ` J o b R u n n e r . a p p D i d F i n i s h L a u n c h i n g ( ) ` s o m e
// / o f t h e s e j o b s ( e g . D i s a p p e a r i n g M e s s a g e s j o b ) c a n i m p a c t t h e i n t e r a c t i o n s w h i c h g e t f e t c h e d t o d i s p l a y o n t h e h o m e
// / s c r e e n , i f t h e P a g e d D a t a b a s e O b s e r v e r h a s n ' t b e e n s e t u p y e t t h e n t h e h o m e s c r e e n c a n s h o w s t a l e ( i e . d e l e t e d )
@ -341,7 +374,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterD
// A d d a l o g t o t r a c k t h e p r o p e r s t a r t u p t i m e o f t h e a p p s o w e k n o w w h e t h e r w e n e e d t o
// i m p r o v e i t i n t h e f u t u r e f r o m u s e r l o g s
let endTime : CFTimeInterval = CACurrentMediaTime ( )
SNLog ( " Launch \( ( self ? . startTime ) . map { ceil ( ( endTime - $0 ) * 1000 ) } ? ? - 1 ) ms " )
SNLog ( " \( lifecycleMethod . timingName ) \( ( self ? . startTime ) . map { ceil ( ( endTime - $0 ) * 1000 ) } ? ? - 1 ) ms " )
}
// M a y a s w e l l r u n t h e s e o n t h e b a c k g r o u n d t h r e a d
@ -429,6 +462,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterD
exit ( 0 )
} )
SNLog ( " Showing startup alert due to error: \( error . name ) " )
self . window ? . rootViewController ? . present ( alert , animated : animated , completion : presentationCompletion )
}
@ -470,7 +504,13 @@ class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterD
}
private func handleActivation ( ) {
guard Identity . userExists ( ) else { return }
// / T h e r e i s a _ f u n _ b e h a v i o u r h e r e w h e r e i f t h e u s e r l a u n c h e s t h e a p p , s e n d s i t t o t h e b a c k g r o u n d a t t h e r i g h t t i m e a n d t h e n
// / o p e n s i t a g a i n t h e ` A p p R e a d i n e s s ` c l o s u r e s c a n b e t r i g g e r e d b e f o r e ` a p p l i c a t i o n D i d B e c o m e A c t i v e ` h a s b e e n
// / c a l l e d a g a i n - t h i s c a n r e s u l t i n o d d b e h a v i o u r s s o h o l d o f f o n r u n n i n g t h i s l o g i c u n t i l i t ' s p r o p e r l y c a l l e d a g a i n
guard
Identity . userExists ( ) &&
UserDefaults . sharedLokiProject ? [ . isMainAppActive ] = = true
else { return }
enableBackgroundRefreshIfNecessary ( )
JobRunner . appDidBecomeActive ( )
@ -492,7 +532,11 @@ class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterD
// A l w a y s c a l l t h e c o m p l e t i o n b l o c k a n d i n d i c a t e w h e t h e r w e s u c c e s s f u l l y c r e a t e d t h e U I
guard
Storage . shared . isValid &&
( AppReadiness . isAppReady ( ) || lifecycleMethod = = . finishLaunching ) &&
(
AppReadiness . isAppReady ( ) ||
lifecycleMethod = = . finishLaunching ||
lifecycleMethod = = . enterForeground ( initialLaunchFailed : true )
) &&
! hasInitialRootViewController
else { return DispatchQueue . main . async { onComplete ( hasInitialRootViewController ) } }
@ -854,10 +898,27 @@ class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterD
// MARK: - L i f e c y c l e M e t h o d
private enum LifecycleMethod {
private enum LifecycleMethod : Equatable {
case finishLaunching
case enterForeground
case enterForeground ( initialLaunchFailed : Bool )
case didBecomeActive
var timingName : String {
switch self {
case . finishLaunching : return " Launch "
case . enterForeground : return " EnterForeground "
case . didBecomeActive : return " BecomeActive "
}
}
static func = = ( lhs : LifecycleMethod , rhs : LifecycleMethod ) -> Bool {
switch ( lhs , rhs ) {
case ( . finishLaunching , . finishLaunching ) : return true
case ( . enterForeground ( let lhsFailed ) , . enterForeground ( let rhsFailed ) ) : return ( lhsFailed = = rhsFailed )
case ( . didBecomeActive , . didBecomeActive ) : return true
default : return false
}
}
}
// MARK: - S t a r t u p E r r o r
@ -867,6 +928,15 @@ private enum StartupError: Error {
case failedToRestore
case startupTimeout
var name : String {
switch self {
case . databaseError ( StorageError . startupFailed ) : return " Database startup failed "
case . failedToRestore : return " Failed to restore "
case . databaseError : return " Database error "
case . startupTimeout : return " Startup timeout "
}
}
var message : String {
switch self {
case . databaseError ( StorageError . startupFailed ) : return " DATABASE_STARTUP_FAILED " . localized ( )
Morgan Pretty
2 years ago