1 files changed, 46 insertions, 8 deletions

diff --git a/Hotline/Models/FileInfo.swift b/Hotline/Models/FileInfo.swift
index 0eadd10..272dd7b 100644
--- a/Hotline/Models/FileInfo.swift
+++ b/Hotline/Models/FileInfo.swift
@@ -15,28 +15,66 @@ import UniformTypeIdentifiers
   let isUnavailable: Bool
 
   var isDropboxFolder: Bool {
-    guard self.isFolder,
-      (self.name.range(of: "upload", options: [.caseInsensitive]) != nil)
-        || (self.name.range(of: "drop box", options: [.caseInsensitive]) != nil)
-    else {
+    guard self.isFolder else {
       return false
     }
-    return true
+
+    if self.name.range(of: "upload", options: [.caseInsensitive]) != nil {
+      return true
+    }
+
+    if self.name.range(of: "dropbox", options: [.caseInsensitive]) != nil {
+      return true
+    }
+
+    if self.name.range(of: "drop box", options: [.caseInsensitive]) != nil {
+      return true
+    }
+
+    return false
   }
 
   var isAdminDropboxFolder: Bool {
     self.isDropboxFolder && (self.name.range(of: "admin", options: [.caseInsensitive]) != nil)
   }
-
+  
+  var isAppBundle: Bool {
+    guard self.isFolder else {
+      return false
+    }
+    return self.name.lowercased().hasSuffix(".app")
+  }
+  
   var expanded: Bool = false
   var children: [FileInfo]? = nil
 
   var isPreviewable: Bool {
-    let fileExtension = (self.name as NSString).pathExtension
+    var fileExtension = (self.name as NSString).pathExtension.lowercased()
+    if fileExtension.isEmpty && !self.type.isEmpty {
+      let type = self.type.lowercased()
+      if let ext = FileManager.HFSTypeToExtension[type] {
+        fileExtension = ext
+      }
+    }
+    
     if let fileType = UTType(filenameExtension: fileExtension) {
+      if fileType.canBePreviewedByQuickLook {
+        return true
+      }
+      
       if fileType.isSubtype(of: .image) {
         return true
-      } else if fileType.isSubtype(of: .text) {
+      }
+      else if fileType.isSubtype(of: .pdf) || fileExtension == "pdf" {
+        return true
+      }
+      else if fileType.isSubtype(of: .audio) {
+        return true
+      }
+      else if fileType.isSubtype(of: .video) {
+        return true
+      }
+      else if fileType.isSubtype(of: .text) {
         return true
       }
     }