Compare file info list every 3 seconds.

luosheng · Nov 11, 2015 · 1601b7c · 1601b7c
1 parent ba78f0c
commit 1601b7c
Showing 1 changed file with 16 additions and 0 deletions.
diff --git a/OpenSim/AppDelegate.swift b/OpenSim/AppDelegate.swift
@@ -14,11 +14,27 @@ class AppDelegate: NSObject, NSApplicationDelegate {
     @IBOutlet weak var window: NSWindow!
 
     var statusItem: NSStatusItem!
+    var fileInfoList: [FileInfo?]!
 
     func applicationDidFinishLaunching(aNotification: NSNotification) {
+        fileInfoList = buildFileInfoList()
+        let timer = NSTimer.scheduledTimerWithTimeInterval(3, target: self, selector: "checkFileInfoList:", userInfo: nil, repeats: true)
+        NSRunLoop.currentRunLoop().addTimer(timer, forMode: NSRunLoopCommonModes)
         buildMenu()
     }
 
+    private func buildFileInfoList() -> [FileInfo?] {
+        return try! NSFileManager.defaultManager().contentsOfDirectoryAtURL(URLHelper.deviceURL, includingPropertiesForKeys: FileInfo.prefetchedProperties, options: .SkipsSubdirectoryDescendants).map { FileInfo(URL: $0) }
+    }
+
+    func checkFileInfoList(timer: NSTimer) {
+        let newFileInfoList = buildFileInfoList()
+        if fileInfoList != newFileInfoList {
+            print("yes")
+        }
+        fileInfoList = newFileInfoList
+    }
+
     func buildMenu() {
         statusItem = NSStatusBar.systemStatusBar().statusItemWithLength(NSVariableStatusItemLength)
         statusItem.image = NSImage(named: "menubar")