Platform specific notification clearing

Signal/src/AppDelegate.m

@@ -732,7 +732,7 @@ static NSTimeInterval launchStartedAt;
             OWSLogInfo(@"running post launch block for unregistered user.");
 
             // Unregistered user should have no unread messages. e.g. if you delete your account.
-            [SignalApp clearAllNotifications];
+            [AppEnvironment.shared.notificationPresenter clearAllNotifications];
 
             [self.socketManager requestSocketOpen];
 
@@ -791,6 +791,7 @@ static NSTimeInterval launchStartedAt;
     OWSLogWarn(@"applicationWillResignActive.");
 
     [self updateShouldEnableLandscape];
+    [self clearAllNotificationsAndRestoreBadgeCount];
 
     [DDLog flushLog];
 }
@@ -799,8 +800,8 @@ static NSTimeInterval launchStartedAt;
 {
     OWSAssertIsOnMainThread();
 
-    [SignalApp clearAllNotifications];
     [AppReadiness runNowOrWhenAppDidBecomeReady:^{
+        [AppEnvironment.shared.notificationPresenter clearAllNotifications];
         [OWSMessageUtils.sharedManager updateApplicationBadgeCount];
     }];
 }

Signal/src/UserInterface/Notifications/LegacyNotificationsAdaptee.swift

@@ -222,6 +222,13 @@ extension LegacyNotificationPresenterAdaptee: NotificationPresenterAdaptee {
         for (_, notification) in notifications {
             cancelNotification(notification)
         }
+        // This will cancel all "scheduled" local notifications that haven't
+        // been presented yet.
+        UIApplication.shared.cancelAllLocalNotifications()
+        // To clear all already presented local notifications, we need to
+        // set the app badge number to zero after setting it to a non-zero value.
+        UIApplication.shared.applicationIconBadgeNumber = 1
+        UIApplication.shared.applicationIconBadgeNumber = 0
     }
 }
 

Signal/src/environment/SignalApp.h

@@ -50,7 +50,6 @@ NS_ASSUME_NONNULL_BEGIN
 
 + (void)resetAppData;
 
-+ (void)clearAllNotifications;
 
 - (void)showHomeView;
 

Signal/src/environment/SignalApp.m

@@ -1,5 +1,5 @@
 //
-//  Copyright (c) 2018 Open Whisper Systems. All rights reserved.
+//  Copyright (c) 2019 Open Whisper Systems. All rights reserved.
 //
 
 #import "SignalApp.h"
@@ -138,26 +138,12 @@ NS_ASSUME_NONNULL_BEGIN
     [OWSStorage resetAllStorage];
     [OWSUserProfile resetProfileStorage];
     [Environment.shared.preferences clear];
-
-    [self clearAllNotifications];
+    [AppEnvironment.shared.notificationPresenter clearAllNotifications];
 
     [DebugLogger.sharedLogger wipeLogs];
     exit(0);
 }
 
-+ (void)clearAllNotifications
-{
-    OWSLogInfo(@"clearAllNotifications.");
-
-    // This will cancel all "scheduled" local notifications that haven't
-    // been presented yet.
-    [UIApplication.sharedApplication cancelAllLocalNotifications];
-    // To clear all already presented local notifications, we need to
-    // set the app badge number to zero after setting it to a non-zero value.
-    [UIApplication sharedApplication].applicationIconBadgeNumber = 1;
-    [UIApplication sharedApplication].applicationIconBadgeNumber = 0;
-}
-
 - (void)showHomeView
 {
     HomeViewController *homeView = [HomeViewController new];