added extractor progress bar and additional progress info

resources/lib/extractor.py

@@ -0,0 +1,33 @@
+import xbmc
+import utils as utils
+
+class ZipExtractor:
+    
+    def extract(self,zipFile,outLoc,progressBar):
+        utils.log("extracting zip archive")
+        
+        result = True #result is true unless we fail
+        
+        #update the progress bar
+        progressBar.updateProgress(0,utils.getString(30100))
+        
+        #list the files 
+        fileCount = float(len(zipFile.listFiles()))
+        currentFile = 0
+        
+        try:
+            for aFile in zipFile.listFiles():
+                #update the progress bar
+                currentFile += 1
+                progressBar.updateProgress(int((currentFile/fileCount) * 100),utils.getString(30100))
+                
+                #extract the file
+                zipFile.extract(aFile,outLoc)
+                
+        except Exception,e:
+            print str(e)
+            utils.log("Error extracting file", xbmc.LOGDEBUG)
+            result = False
+            
+        return result
+