Cloud sync fixes - ignore .DS_Store files and re-sync on app foreground (#16055)

tasks/task_cloudsync.c

@@ -255,6 +255,9 @@ static bool task_cloud_sync_should_ignore_file(const char *filename)
          return true;
    }
 
+   if (string_ends_with(filename, "/.DS_Store"))
+       return true;
+
    return false;
 }
 

ui/drivers/cocoa/apple_platform.h

@@ -72,6 +72,7 @@ UINavigationControllerDelegate> {
 @property (nonatomic) UIWindow* window;
 @property (nonatomic) NSString* documentsDirectory;
 @property (nonatomic) int menu_count;
+@property (nonatomic) NSDate *bgDate;
 
 + (RetroArch_iOS*)get;
 

ui/drivers/ui_cocoatouch.m

@@ -559,6 +559,11 @@ enum
    retroarch_main_quit();
 }
 
+- (void)applicationWillResignActive:(UIApplication *)application
+{
+   self.bgDate = [NSDate date];
+}
+
 - (void)applicationDidBecomeActive:(UIApplication *)application
 {
    rarch_start_draw_observer();
@@ -573,6 +578,15 @@ enum
 
    if (!ui_companion_start_on_boot)
       [self showGameView];
+
+   if (self.bgDate)
+   {
+      if (   [[NSDate date] timeIntervalSinceDate:self.bgDate] > 60.0f
+          && (   !(runloop_get_flags() & RUNLOOP_FLAG_CORE_RUNNING)
+              || retroarch_ctl(RARCH_CTL_IS_DUMMY_CORE, NULL)))
+         task_push_cloud_sync();
+      self.bgDate = nil;
+   }
 }
 
 -(BOOL)application:(UIApplication *)app openURL:(NSURL *)url options:(NSDictionary<UIApplicationOpenURLOptionsKey, id> *)options {