SWFUpload.as | searchcode

/upload/windid/res/js/dev/util_libs/swfupload/Flash/SWFUpload.as

https://gitlab.com/wuhang2003/phpwind
ActionScript | 1217 lines | 918 code | 198 blank | 101 comment | 186 complexity | 1a0735256ed097d9fb032e422f04f325 MD5 | raw file

package {

	import flash.display.BlendMode;

	import flash.display.DisplayObjectContainer;

	import flash.display.Loader;

	import flash.display.Stage;

	import flash.display.Sprite;

	import flash.display.StageAlign;

	import flash.display.StageScaleMode;

	import flash.net.FileReferenceList;

	import flash.net.FileReference;

	import flash.net.FileFilter;

	import flash.net.URLRequest;

	import flash.net.URLRequestMethod;

	import flash.net.URLVariables;

	import flash.events.*;

	import flash.external.ExternalInterface;

	import flash.system.Security;

	import flash.text.AntiAliasType;

	import flash.text.GridFitType;

	import flash.text.StaticText;

	import flash.text.StyleSheet;

	import flash.text.TextDisplayMode;

	import flash.text.TextField;

	import flash.text.TextFieldType;

	import flash.text.TextFieldAutoSize;

	import flash.text.TextFormat;

	import flash.ui.Mouse;

	import flash.utils.Timer;



	import FileItem;

	import ExternalCall;



	public class SWFUpload extends Sprite {

		// Cause SWFUpload to start as soon as the movie starts

		public static function main():void

		{

			var SWFUpload:SWFUpload = new SWFUpload();

		}

		

		private const build_number:String = "SWFUPLOAD 2.2.0";

		

		// State tracking variables

		private var fileBrowserMany:FileReferenceList = new FileReferenceList();

		private var fileBrowserOne:FileReference = null;	// This isn't set because it can't be reused like the FileReferenceList. It gets setup in the SelectFile method



		private var file_queue:Array = new Array();		// holds a list of all items that are to be uploaded.

		private var current_file_item:FileItem = null;	// the item that is currently being uploaded.



		private var file_index:Array = new Array();

		

		private var successful_uploads:Number = 0;		// Tracks the uploads that have been completed

		private var queue_errors:Number = 0;			// Tracks files rejected during queueing

		private var upload_errors:Number = 0;			// Tracks files that fail upload

		private var upload_cancelled:Number = 0;		// Tracks number of cancelled files

		private var queued_uploads:Number = 0;			// Tracks the FileItems that are waiting to be uploaded.

		

		private var valid_file_extensions:Array = new Array();// Holds the parsed valid extensions.

		

		private var serverDataTimer:Timer = null;

		private var assumeSuccessTimer:Timer = null;

		

		private var restoreExtIntTimer:Timer;

		private var hasCalledFlashReady:Boolean = false;

		

		// Callbacks

		private var flashReady_Callback:String;

		private var fileDialogStart_Callback:String;

		private var fileQueued_Callback:String;

		private var fileQueueError_Callback:String;

		private var fileDialogComplete_Callback:String;

		

		private var uploadStart_Callback:String;

		private var uploadProgress_Callback:String;

		private var uploadError_Callback:String;

		private var uploadSuccess_Callback:String;



		private var uploadComplete_Callback:String;

		

		private var debug_Callback:String;

		private var testExternalInterface_Callback:String;

		private var cleanUp_Callback:String;

		

		// Values passed in from the HTML

		private var movieName:String;

		private var uploadURL:String;

		private var filePostName:String;

		private var uploadPostObject:Object;

		private var fileTypes:String;

		private var fileTypesDescription:String;

		private var fileSizeLimit:Number;

		private var fileUploadLimit:Number = 0;

		private var fileQueueLimit:Number = 0;

		private var useQueryString:Boolean = false;

		private var requeueOnError:Boolean = false;

		private var httpSuccess:Array = [];

		private var assumeSuccessTimeout:Number = 0;

		private var debugEnabled:Boolean;



		private var buttonLoader:Loader;

		private var buttonTextField:TextField;

		private var buttonCursorSprite:Sprite;

		private var buttonImageURL:String;

		private var buttonWidth:Number;

		private var buttonHeight:Number;

		private var buttonText:String;

		private var buttonTextStyle:String;

		private var buttonTextTopPadding:Number;

		private var buttonTextLeftPadding:Number;

		private var buttonAction:Number;

		private var buttonCursor:Number;

		private var buttonStateOver:Boolean;

		private var buttonStateMouseDown:Boolean;

		private var buttonStateDisabled:Boolean;

		

		// Error code "constants"

		// Size check constants

		private var SIZE_TOO_BIG:Number		= 1;

		private var SIZE_ZERO_BYTE:Number	= -1;

		private var SIZE_OK:Number			= 0;



		// Queue errors

		private var ERROR_CODE_QUEUE_LIMIT_EXCEEDED:Number 			= -100;

		private var ERROR_CODE_FILE_EXCEEDS_SIZE_LIMIT:Number 		= -110;

		private var ERROR_CODE_ZERO_BYTE_FILE:Number 				= -120;

		private var ERROR_CODE_INVALID_FILETYPE:Number          	= -130;



		// Upload Errors

		private var ERROR_CODE_HTTP_ERROR:Number 					= -200;

		private var ERROR_CODE_MISSING_UPLOAD_URL:Number        	= -210;

		private var ERROR_CODE_IO_ERROR:Number 						= -220;

		private var ERROR_CODE_SECURITY_ERROR:Number 				= -230;

		private var ERROR_CODE_UPLOAD_LIMIT_EXCEEDED:Number			= -240;

		private var ERROR_CODE_UPLOAD_FAILED:Number 				= -250;

		private var ERROR_CODE_SPECIFIED_FILE_ID_NOT_FOUND:Number 	= -260;

		private var ERROR_CODE_FILE_VALIDATION_FAILED:Number		= -270;

		private var ERROR_CODE_FILE_CANCELLED:Number				= -280;

		private var ERROR_CODE_UPLOAD_STOPPED:Number				= -290;



		

		// Button Actions

		private var BUTTON_ACTION_SELECT_FILE:Number                = -100;

		private var BUTTON_ACTION_SELECT_FILES:Number               = -110;

		private var BUTTON_ACTION_START_UPLOAD:Number               = -120;

		

		private var BUTTON_CURSOR_ARROW:Number						= -1;

		private var BUTTON_CURSOR_HAND:Number						= -2;

		

		public function SWFUpload() {

			// Do the feature detection.  Make sure this version of Flash supports the features we need. If not

			// abort initialization.

			if (!flash.net.FileReferenceList || !flash.net.FileReference || !flash.net.URLRequest || !flash.external.ExternalInterface || !flash.external.ExternalInterface.available || !DataEvent.UPLOAD_COMPLETE_DATA) {

				return;

			}



			Security.allowDomain("*");	// Allow uploading to any domain

			

			// Keep Flash Player busy so it doesn't show the "flash script is running slowly" error

			var counter:Number = 0;

			root.addEventListener(Event.ENTER_FRAME, function ():void { if (++counter > 100) counter = 0; });



			// Setup file FileReferenceList events

			this.fileBrowserMany.addEventListener(Event.SELECT, this.Select_Many_Handler);

			this.fileBrowserMany.addEventListener(Event.CANCEL,  this.DialogCancelled_Handler);





			this.stage.align = StageAlign.TOP_LEFT;

			this.stage.scaleMode = StageScaleMode.NO_SCALE;			



			// Setup the button and text label

			this.buttonLoader = new Loader();

			var doNothing:Function = function ():void { };

			this.buttonLoader.contentLoaderInfo.addEventListener(IOErrorEvent.IO_ERROR, doNothing );

			this.buttonLoader.contentLoaderInfo.addEventListener(HTTPStatusEvent.HTTP_STATUS, doNothing );

			this.stage.addChild(this.buttonLoader);



			var self:SWFUpload = this;

			

			this.stage.addEventListener(MouseEvent.CLICK, function (event:MouseEvent):void {

				self.UpdateButtonState();

				self.ButtonClickHandler(event);

			});

			this.stage.addEventListener(MouseEvent.MOUSE_DOWN, function (event:MouseEvent):void {

				self.buttonStateMouseDown = true;

				self.UpdateButtonState();

			});

			this.stage.addEventListener(MouseEvent.MOUSE_UP, function (event:MouseEvent):void {

				self.buttonStateMouseDown = false;

				self.UpdateButtonState();

			});

			this.stage.addEventListener(MouseEvent.MOUSE_OVER, function (event:MouseEvent):void {

				self.buttonStateMouseDown = event.buttonDown;

				self.buttonStateOver = true;

				self.UpdateButtonState();

			});

			this.stage.addEventListener(MouseEvent.MOUSE_OUT, function (event:MouseEvent):void {

				self.buttonStateMouseDown = false;

				self.buttonStateOver = false;

				self.UpdateButtonState();

			});

			// Handle the mouse leaving the flash movie altogether

			this.stage.addEventListener(Event.MOUSE_LEAVE, function (event:Event):void {

				self.buttonStateMouseDown = false;

				self.buttonStateOver = false;

				self.UpdateButtonState();

			});

			

			this.buttonTextField = new TextField();

			this.buttonTextField.type = TextFieldType.DYNAMIC;

			this.buttonTextField.antiAliasType = AntiAliasType.ADVANCED;

			this.buttonTextField.autoSize = TextFieldAutoSize.NONE;

			this.buttonTextField.cacheAsBitmap = true;

			this.buttonTextField.multiline = true;

			this.buttonTextField.wordWrap = false;

			this.buttonTextField.tabEnabled = false;

			this.buttonTextField.background = false;

			this.buttonTextField.border = false;

			this.buttonTextField.selectable = false;

			this.buttonTextField.condenseWhite = true;

			

			this.stage.addChild(this.buttonTextField);

			

			

			this.buttonCursorSprite = new Sprite();

			this.buttonCursorSprite.graphics.beginFill(0xFFFFFF, 0);

			this.buttonCursorSprite.graphics.drawRect(0, 0, 1, 1);

			this.buttonCursorSprite.graphics.endFill();

			this.buttonCursorSprite.buttonMode = true;

			this.buttonCursorSprite.x = 0;

			this.buttonCursorSprite.y = 0;

			this.buttonCursorSprite.addEventListener(MouseEvent.CLICK, doNothing);

			this.stage.addChild(this.buttonCursorSprite);

			

			// Get the movie name

			this.movieName = root.loaderInfo.parameters.movieName;



			// **Configure the callbacks**

			// The JavaScript tracks all the instances of SWFUpload on a page.  We can access the instance

			// associated with this SWF file using the movieName.  Each callback is accessible by making

			// a call directly to it on our instance.  There is no error handling for undefined callback functions.

			// A developer would have to deliberately remove the default functions,set the variable to null, or remove

			// it from the init function.

			this.flashReady_Callback         = "SWFUpload.instances[\"" + this.movieName + "\"].flashReady";

			this.fileDialogStart_Callback    = "SWFUpload.instances[\"" + this.movieName + "\"].fileDialogStart";

			this.fileQueued_Callback         = "SWFUpload.instances[\"" + this.movieName + "\"].fileQueued";

			this.fileQueueError_Callback     = "SWFUpload.instances[\"" + this.movieName + "\"].fileQueueError";

			this.fileDialogComplete_Callback = "SWFUpload.instances[\"" + this.movieName + "\"].fileDialogComplete";



			this.uploadStart_Callback        = "SWFUpload.instances[\"" + this.movieName + "\"].uploadStart";

			this.uploadProgress_Callback     = "SWFUpload.instances[\"" + this.movieName + "\"].uploadProgress";

			this.uploadError_Callback        = "SWFUpload.instances[\"" + this.movieName + "\"].uploadError";

			this.uploadSuccess_Callback      = "SWFUpload.instances[\"" + this.movieName + "\"].uploadSuccess";



			this.uploadComplete_Callback       = "SWFUpload.instances[\"" + this.movieName + "\"].uploadComplete";



			this.debug_Callback              = "SWFUpload.instances[\"" + this.movieName + "\"].debug";



			this.testExternalInterface_Callback = "SWFUpload.instances[\"" + this.movieName + "\"].testExternalInterface";

			this.cleanUp_Callback              = "SWFUpload.instances[\"" + this.movieName + "\"].cleanUp";

			

			// Get the Flash Vars

			this.uploadURL = root.loaderInfo.parameters.uploadURL;

			this.filePostName = root.loaderInfo.parameters.filePostName;

			this.fileTypes = root.loaderInfo.parameters.fileTypes;

			this.fileTypesDescription = root.loaderInfo.parameters.fileTypesDescription + " (" + this.fileTypes + ")";

			this.loadPostParams(root.loaderInfo.parameters.params);



			

			if (!this.filePostName) {

				this.filePostName = "Filedata";

			}

			if (!this.fileTypes) {

				this.fileTypes = "*.*";

			}

			if (!this.fileTypesDescription) {

				this.fileTypesDescription = "All Files";

			}

			

			this.LoadFileExensions(this.fileTypes);

			

			try {

				this.debugEnabled = root.loaderInfo.parameters.debugEnabled == "true" ? true : false;

			} catch (ex:Object) {

				this.debugEnabled = false;

			}



			try {

				this.SetFileSizeLimit(String(root.loaderInfo.parameters.fileSizeLimit));

			} catch (ex:Object) {

				this.fileSizeLimit = 0;

			}

			



			try {

				this.fileUploadLimit = Number(root.loaderInfo.parameters.fileUploadLimit);

				if (this.fileUploadLimit < 0) this.fileUploadLimit = 0;

			} catch (ex:Object) {

				this.fileUploadLimit = 0;

			}



			try {

				this.fileQueueLimit = Number(root.loaderInfo.parameters.fileQueueLimit);

				if (this.fileQueueLimit < 0) this.fileQueueLimit = 0;

			} catch (ex:Object) {

				this.fileQueueLimit = 0;

			}



			// Set the queue limit to match the upload limit when the queue limit is bigger than the upload limit

			if (this.fileQueueLimit > this.fileUploadLimit && this.fileUploadLimit != 0) this.fileQueueLimit = this.fileUploadLimit;

			// The the queue limit is unlimited and the upload limit is not then set the queue limit to the upload limit

			if (this.fileQueueLimit == 0 && this.fileUploadLimit != 0) this.fileQueueLimit = this.fileUploadLimit;



			try {

				this.useQueryString = root.loaderInfo.parameters.useQueryString == "true" ? true : false;

			} catch (ex:Object) {

				this.useQueryString = false;

			}

			

			try {

				this.requeueOnError = root.loaderInfo.parameters.requeueOnError == "true" ? true : false;

			} catch (ex:Object) {

				this.requeueOnError = false;

			}



			try {

				this.SetHTTPSuccess(String(root.loaderInfo.parameters.httpSuccess));

			} catch (ex:Object) {

				this.SetHTTPSuccess([]);

			}



			try {

				this.SetAssumeSuccessTimeout(Number(root.loaderInfo.parameters.assumeSuccessTimeout));

			} catch (ex:Object) {

				this.SetAssumeSuccessTimeout(0);

			}



			

			try {

				this.SetButtonDimensions(Number(root.loaderInfo.parameters.buttonWidth), Number(root.loaderInfo.parameters.buttonHeight));

			} catch (ex:Object) {

				this.SetButtonDimensions(0, 0);

			}



			try {

				this.SetButtonImageURL(String(root.loaderInfo.parameters.buttonImageURL));

			} catch (ex:Object) {

				this.SetButtonImageURL("");

			}

			

			try {

				this.SetButtonText(String(root.loaderInfo.parameters.buttonText));

			} catch (ex:Object) {

				this.SetButtonText("");

			}

			

			try {

				this.SetButtonTextPadding(Number(root.loaderInfo.parameters.buttonTextLeftPadding), Number(root.loaderInfo.parameters.buttonTextTopPadding));

			} catch (ex:Object) {

				this.SetButtonTextPadding(0, 0);

			}



			try {

				this.SetButtonTextStyle(String(root.loaderInfo.parameters.buttonTextStyle));

			} catch (ex:Object) {

				this.SetButtonTextStyle("");

			}



			try {

				this.SetButtonAction(Number(root.loaderInfo.parameters.buttonAction));

			} catch (ex:Object) {

				this.SetButtonAction(this.BUTTON_ACTION_SELECT_FILES);

			}

			

			try {

				this.SetButtonDisabled(root.loaderInfo.parameters.buttonDisabled == "true" ? true : false);

			} catch (ex:Object) {

				this.SetButtonDisabled(Boolean(false));

			}

			

			try {

				this.SetButtonCursor(Number(root.loaderInfo.parameters.buttonCursor));

			} catch (ex:Object) {

				this.SetButtonCursor(this.BUTTON_CURSOR_ARROW);

			}

			

			this.SetupExternalInterface();

			

			this.Debug("SWFUpload Init Complete");

			this.PrintDebugInfo();



			if (ExternalCall.Bool(this.testExternalInterface_Callback)) {

				ExternalCall.Simple(this.flashReady_Callback);

				this.hasCalledFlashReady = true;

			}

			

			// Start periodically checking the external interface

			var oSelf:SWFUpload = this;

			this.restoreExtIntTimer = new Timer(1000, 0);

			this.restoreExtIntTimer.addEventListener(TimerEvent.TIMER, function ():void { oSelf.CheckExternalInterface();} );

			this.restoreExtIntTimer.start();

		}



		// Used to periodically check that the External Interface functions are still working

		private function CheckExternalInterface():void {

			if (!ExternalCall.Bool(this.testExternalInterface_Callback)) {

				this.SetupExternalInterface();

				this.Debug("ExternalInterface reinitialized");

				if (!this.hasCalledFlashReady) {

					ExternalCall.Simple(this.flashReady_Callback);

					this.hasCalledFlashReady = true;

				}

			}

		}

		

		// Called by JS to see if it can access the external interface

		private function TestExternalInterface():Boolean {

			return true;

		}

		

		private function SetupExternalInterface():void {

			try {

				ExternalInterface.addCallback("SelectFile", this.SelectFile);

				ExternalInterface.addCallback("SelectFiles", this.SelectFiles);

				ExternalInterface.addCallback("StartUpload", this.StartUpload);

				ExternalInterface.addCallback("ReturnUploadStart", this.ReturnUploadStart);

				ExternalInterface.addCallback("StopUpload", this.StopUpload);

				ExternalInterface.addCallback("CancelUpload", this.CancelUpload);

				ExternalInterface.addCallback("RequeueUpload", this.RequeueUpload);

				

				ExternalInterface.addCallback("GetStats", this.GetStats);

				ExternalInterface.addCallback("SetStats", this.SetStats);

				ExternalInterface.addCallback("GetFile", this.GetFile);

				ExternalInterface.addCallback("GetFileByIndex", this.GetFileByIndex);

				

				ExternalInterface.addCallback("AddFileParam", this.AddFileParam);

				ExternalInterface.addCallback("RemoveFileParam", this.RemoveFileParam);



				ExternalInterface.addCallback("SetUploadURL", this.SetUploadURL);

				ExternalInterface.addCallback("SetPostParams", this.SetPostParams);

				ExternalInterface.addCallback("SetFileTypes", this.SetFileTypes);

				ExternalInterface.addCallback("SetFileSizeLimit", this.SetFileSizeLimit);

				ExternalInterface.addCallback("SetFileUploadLimit", this.SetFileUploadLimit);

				ExternalInterface.addCallback("SetFileQueueLimit", this.SetFileQueueLimit);

				ExternalInterface.addCallback("SetFilePostName", this.SetFilePostName);

				ExternalInterface.addCallback("SetUseQueryString", this.SetUseQueryString);

				ExternalInterface.addCallback("SetRequeueOnError", this.SetRequeueOnError);

				ExternalInterface.addCallback("SetHTTPSuccess", this.SetHTTPSuccess);

				ExternalInterface.addCallback("SetAssumeSuccessTimeout", this.SetAssumeSuccessTimeout);

				ExternalInterface.addCallback("SetDebugEnabled", this.SetDebugEnabled);



				ExternalInterface.addCallback("SetButtonImageURL", this.SetButtonImageURL);

				ExternalInterface.addCallback("SetButtonDimensions", this.SetButtonDimensions);

				ExternalInterface.addCallback("SetButtonText", this.SetButtonText);

				ExternalInterface.addCallback("SetButtonTextPadding", this.SetButtonTextPadding);

				ExternalInterface.addCallback("SetButtonTextStyle", this.SetButtonTextStyle);

				ExternalInterface.addCallback("SetButtonAction", this.SetButtonAction);

				ExternalInterface.addCallback("SetButtonDisabled", this.SetButtonDisabled);

				ExternalInterface.addCallback("SetButtonCursor", this.SetButtonCursor);



				ExternalInterface.addCallback("TestExternalInterface", this.TestExternalInterface);

				

			} catch (ex:Error) {

				this.Debug("Callbacks where not set: " + ex.message);

				return;

			}

			

			ExternalCall.Simple(this.cleanUp_Callback);

		}

		

		/* *****************************************

		* FileReference Event Handlers

		* *************************************** */

		private function DialogCancelled_Handler(event:Event):void {

			this.Debug("Event: fileDialogComplete: File Dialog window cancelled.");

			ExternalCall.FileDialogComplete(this.fileDialogComplete_Callback, 0, 0, this.queued_uploads);

		}



		private function Open_Handler(event:Event):void {

			this.Debug("Event: uploadProgress (OPEN): File ID: " + this.current_file_item.id);

			ExternalCall.UploadProgress(this.uploadProgress_Callback, this.current_file_item.ToJavaScriptObject(), 0, this.current_file_item.file_reference.size);

		}

		

		private function FileProgress_Handler(event:ProgressEvent):void {

			// On early than Mac OS X 10.3 bytesLoaded is always -1, convert this to zero. Do bytesTotal for good measure.

			//  http://livedocs.adobe.com/flex/3/langref/flash/net/FileReference.html#event:progress

			var bytesLoaded:Number = event.bytesLoaded < 0 ? 0 : event.bytesLoaded;

			var bytesTotal:Number = event.bytesTotal < 0 ? 0 : event.bytesTotal;

			

			// Because Flash never fires a complete event if the server doesn't respond after 30 seconds or on Macs if there

			// is no content in the response we'll set a timer and assume that the upload is successful after the defined amount of

			// time.  If the timeout is zero then we won't use the timer.

			if (bytesLoaded === bytesTotal && bytesTotal > 0 && this.assumeSuccessTimeout > 0) {

				if (this.assumeSuccessTimer !== null) {

					this.assumeSuccessTimer.stop();

					this.assumeSuccessTimer = null;

				}

				

				this.assumeSuccessTimer = new Timer(this.assumeSuccessTimeout * 1000, 1);

				this.assumeSuccessTimer.addEventListener(TimerEvent.TIMER_COMPLETE, AssumeSuccessTimer_Handler);

				this.assumeSuccessTimer.start();

			}

			

			this.Debug("Event: uploadProgress: File ID: " + this.current_file_item.id + ". Bytes: " + bytesLoaded + ". Total: " + bytesTotal);

			ExternalCall.UploadProgress(this.uploadProgress_Callback, this.current_file_item.ToJavaScriptObject(), bytesLoaded, bytesTotal);

		}

		

		private function AssumeSuccessTimer_Handler(event:TimerEvent):void {

			this.Debug("Event: AssumeSuccess: " + this.assumeSuccessTimeout + " passed without server response");

			this.UploadSuccess(this.current_file_item, "", false);

		}



		private function Complete_Handler(event:Event):void {

			/* Because we can't do COMPLETE or DATA events (we have to do both) we can't

			 * just call uploadSuccess from the complete handler, we have to wait for

			 * the Data event which may never come. However, testing shows it always comes

			 * within a couple milliseconds if it is going to come so the solution is:

			 * 

			 * Set a timer in the COMPLETE event (which always fires) and if DATA is fired

			 * it will stop the timer and call uploadComplete

			 * 

			 * If the timer expires then DATA won't be fired and we call uploadComplete

			 * */

			

			// Set the timer

			if (serverDataTimer != null) {

				this.serverDataTimer.stop();

				this.serverDataTimer = null;

			}

			

			this.serverDataTimer = new Timer(100, 1);

			//var self:SWFUpload = this;

			this.serverDataTimer.addEventListener(TimerEvent.TIMER, this.ServerDataTimer_Handler);

			this.serverDataTimer.start();

		}

		private function ServerDataTimer_Handler(event:TimerEvent):void {

			this.UploadSuccess(this.current_file_item, "");

		}

		

		private function ServerData_Handler(event:DataEvent):void {

			this.UploadSuccess(this.current_file_item, event.data);

		}

		

		private function UploadSuccess(file:FileItem, serverData:String, responseReceived:Boolean = true):void {

			if (this.serverDataTimer !== null) {

				this.serverDataTimer.stop();

				this.serverDataTimer = null;

			}

			if (this.assumeSuccessTimer !== null) {

				this.assumeSuccessTimer.stop();

				this.assumeSuccessTimer = null;

			}



			this.successful_uploads++;

			file.file_status = FileItem.FILE_STATUS_SUCCESS;



			this.Debug("Event: uploadSuccess: File ID: " + file.id + " Response Received: " + responseReceived.toString() + " Data: " + serverData);

			ExternalCall.UploadSuccess(this.uploadSuccess_Callback, file.ToJavaScriptObject(), serverData, responseReceived);



			this.UploadComplete(false);

			

		}



		private function HTTPError_Handler(event:HTTPStatusEvent):void {

			var isSuccessStatus:Boolean = false;

			for (var i:Number = 0; i < this.httpSuccess.length; i++) {

				if (this.httpSuccess[i] === event.status) {

					isSuccessStatus = true;

					break;

				}

			}

			

			

			if (isSuccessStatus) {

				this.Debug("Event: httpError: Translating status code " + event.status + " to uploadSuccess");



				var serverDataEvent:DataEvent = new DataEvent(DataEvent.UPLOAD_COMPLETE_DATA, event.bubbles, event.cancelable, "");

				this.ServerData_Handler(serverDataEvent);

			} else {

				this.upload_errors++;

				this.current_file_item.file_status = FileItem.FILE_STATUS_ERROR;



				this.Debug("Event: uploadError: HTTP ERROR : File ID: " + this.current_file_item.id + ". HTTP Status: " + event.status + ".");

				ExternalCall.UploadError(this.uploadError_Callback, this.ERROR_CODE_HTTP_ERROR, this.current_file_item.ToJavaScriptObject(), event.status.toString());

				this.UploadComplete(true); 	// An IO Error is also called so we don't want to complete the upload yet.

			}

		}

		

		// Note: Flash Player does not support Uploads that require authentication. Attempting this will trigger an

		// IO Error or it will prompt for a username and password and may crash the browser (FireFox/Opera)

		private function IOError_Handler(event:IOErrorEvent):void {

			// Only trigger an IO Error event if we haven't already done an HTTP error

			if (this.current_file_item.file_status != FileItem.FILE_STATUS_ERROR) {

				this.upload_errors++;

				this.current_file_item.file_status = FileItem.FILE_STATUS_ERROR;



				this.Debug("Event: uploadError : IO Error : File ID: " + this.current_file_item.id + ". IO Error: " + event.text);

				ExternalCall.UploadError(this.uploadError_Callback, this.ERROR_CODE_IO_ERROR, this.current_file_item.ToJavaScriptObject(), event.text);

			}



			this.UploadComplete(true);

		}



		private function SecurityError_Handler(event:SecurityErrorEvent):void {

			this.upload_errors++;

			this.current_file_item.file_status = FileItem.FILE_STATUS_ERROR;



			this.Debug("Event: uploadError : Security Error : File Number: " + this.current_file_item.id + ". Error text: " + event.text);

			ExternalCall.UploadError(this.uploadError_Callback, this.ERROR_CODE_SECURITY_ERROR, this.current_file_item.ToJavaScriptObject(), event.text);



			this.UploadComplete(true);

		}



		private function Select_Many_Handler(event:Event):void {

			this.Select_Handler(this.fileBrowserMany.fileList);

		}

		private function Select_One_Handler(event:Event):void {

			var fileArray:Array = new Array(1);

			fileArray[0] = this.fileBrowserOne;

			this.Select_Handler(fileArray);

		}

		

		private function Select_Handler(file_reference_list:Array):void {

			this.Debug("Select Handler: Received the files selected from the dialog. Processing the file list...");



			var num_files_queued:Number = 0;

			

			// Determine how many queue slots are remaining (check the unlimited (0) settings, successful uploads and queued uploads)

			var queue_slots_remaining:Number = 0;

			if (this.fileUploadLimit == 0) {

				queue_slots_remaining = this.fileQueueLimit == 0 ? file_reference_list.length : (this.fileQueueLimit - this.queued_uploads);	// If unlimited queue make the allowed size match however many files were selected.

			} else {

				var remaining_uploads:Number = this.fileUploadLimit - this.successful_uploads - this.queued_uploads;

				if (remaining_uploads < 0) remaining_uploads = 0;

				if (this.fileQueueLimit == 0 || this.fileQueueLimit >= remaining_uploads) {

					queue_slots_remaining = remaining_uploads;

				} else if (this.fileQueueLimit < remaining_uploads) {

					queue_slots_remaining = this.fileQueueLimit - this.queued_uploads;

				}

			}

			

			if (queue_slots_remaining < 0) queue_slots_remaining = 0;

			

			// Check if the number of files selected is greater than the number allowed to queue up.

			if (queue_slots_remaining < file_reference_list.length) {

				this.Debug("Event: fileQueueError : Selected Files (" + file_reference_list.length + ") exceeds remaining Queue size (" + queue_slots_remaining + ").");

				ExternalCall.FileQueueError(this.fileQueueError_Callback, this.ERROR_CODE_QUEUE_LIMIT_EXCEEDED, null, queue_slots_remaining.toString());

			} else {

				// Process each selected file

				for (var i:Number = 0; i < file_reference_list.length; i++) {

					var file_item:FileItem = new FileItem(file_reference_list[i], this.movieName, this.file_index.length);

					this.file_index[file_item.index] = file_item;



					// Verify that the file is accessible. Zero byte files and possibly other conditions can cause a file to be inaccessible.

					var jsFileObj:Object = file_item.ToJavaScriptObject();

					var is_valid_file_reference:Boolean = (jsFileObj.filestatus !== FileItem.FILE_STATUS_ERROR);

					

					if (is_valid_file_reference) {

						// Check the size, if it's within the limit add it to the upload list.

						var size_result:Number = this.CheckFileSize(file_item);

						var is_valid_filetype:Boolean = this.CheckFileType(file_item);

						if(size_result == this.SIZE_OK && is_valid_filetype) {

							file_item.file_status = FileItem.FILE_STATUS_QUEUED;

							this.file_queue.push(file_item);

							this.queued_uploads++;

							num_files_queued++;

							this.Debug("Event: fileQueued : File ID: " + file_item.id);

							ExternalCall.FileQueued(this.fileQueued_Callback, file_item.ToJavaScriptObject());

						}

						else if (!is_valid_filetype) {

							file_item.file_reference = null; 	// Cleanup the object

							this.queue_errors++;

							this.Debug("Event: fileQueueError : File not of a valid type.");

							ExternalCall.FileQueueError(this.fileQueueError_Callback, this.ERROR_CODE_INVALID_FILETYPE, file_item.ToJavaScriptObject(), "File is not an allowed file type.");

						}

						else if (size_result == this.SIZE_TOO_BIG) {

							file_item.file_reference = null; 	// Cleanup the object

							this.queue_errors++;

							this.Debug("Event: fileQueueError : File exceeds size limit.");

							ExternalCall.FileQueueError(this.fileQueueError_Callback, this.ERROR_CODE_FILE_EXCEEDS_SIZE_LIMIT, file_item.ToJavaScriptObject(), "File size exceeds allowed limit.");

						}

						else if (size_result == this.SIZE_ZERO_BYTE) {

							file_item.file_reference = null; 	// Cleanup the object

							this.queue_errors++;

							this.Debug("Event: fileQueueError : File is zero bytes.");

							ExternalCall.FileQueueError(this.fileQueueError_Callback, this.ERROR_CODE_ZERO_BYTE_FILE, file_item.ToJavaScriptObject(), "File is zero bytes and cannot be uploaded.");

						}

					} else {

						file_item.file_reference = null; 	// Cleanup the object

						this.queue_errors++;

						this.Debug("Event: fileQueueError : File is zero bytes or FileReference is invalid.");

						ExternalCall.FileQueueError(this.fileQueueError_Callback, this.ERROR_CODE_ZERO_BYTE_FILE, file_item.ToJavaScriptObject(), "File is zero bytes or cannot be accessed and cannot be uploaded.");

					}

				}

			}

			

			this.Debug("Event: fileDialogComplete : Finished processing selected files. Files selected: " + file_reference_list.length + ". Files Queued: " + num_files_queued);

			ExternalCall.FileDialogComplete(this.fileDialogComplete_Callback, file_reference_list.length, num_files_queued, this.queued_uploads);

		}



		

		/* ****************************************************************

			Externally exposed functions

		****************************************************************** */

		// Opens a file browser dialog that allows one file to be selected.

		private function SelectFile():void  {

			this.fileBrowserOne = new FileReference();

			this.fileBrowserOne.addEventListener(Event.SELECT, this.Select_One_Handler);

			this.fileBrowserOne.addEventListener(Event.CANCEL,  this.DialogCancelled_Handler);



			// Default file type settings

			var allowed_file_types:String = "*.*";

			var allowed_file_types_description:String = "All Files";



			// Get the instance settings

			if (this.fileTypes.length > 0) allowed_file_types = this.fileTypes;

			if (this.fileTypesDescription.length > 0)  allowed_file_types_description = this.fileTypesDescription;



			this.Debug("Event: fileDialogStart : Browsing files. Single Select. Allowed file types: " + allowed_file_types);

			ExternalCall.Simple(this.fileDialogStart_Callback);



			try {

				this.fileBrowserOne.browse([new FileFilter(allowed_file_types_description, allowed_file_types)]);

			} catch (ex:Error) {

				this.Debug("Exception: " + ex.toString());

			}

		}

		

		// Opens a file browser dialog that allows multiple files to be selected.

		private function SelectFiles():void {

			var allowed_file_types:String = "*.*";

			var allowed_file_types_description:String = "All Files";

			

			if (this.fileTypes.length > 0) allowed_file_types = this.fileTypes;

			if (this.fileTypesDescription.length > 0)  allowed_file_types_description = this.fileTypesDescription;



			this.Debug("Event: fileDialogStart : Browsing files. Multi Select. Allowed file types: " + allowed_file_types);

			ExternalCall.Simple(this.fileDialogStart_Callback);



			try {

				this.fileBrowserMany.browse([new FileFilter(allowed_file_types_description, allowed_file_types)]);

			} catch (ex:Error) {

				this.Debug("Exception: " + ex.toString());

			}

		}





		// Cancel the current upload and stops.  Doesn't advance the upload pointer. The current file is requeued at the beginning.

		private function StopUpload():void {

			if (this.current_file_item != null) {

				// Cancel the upload and re-queue the FileItem

				this.current_file_item.file_reference.cancel();



				// Remove the event handlers

				this.removeFileReferenceEventListeners(this.current_file_item);



				this.current_file_item.file_status = FileItem.FILE_STATUS_QUEUED;

				this.file_queue.unshift(this.current_file_item);

				var js_object:Object = this.current_file_item.ToJavaScriptObject();

				this.current_file_item = null;

				

				this.Debug("Event: uploadError: upload stopped. File ID: " + js_object.ID);

				ExternalCall.UploadError(this.uploadError_Callback, this.ERROR_CODE_UPLOAD_STOPPED, js_object, "Upload Stopped");

				this.Debug("Event: uploadComplete. File ID: " + js_object.ID);

				ExternalCall.UploadComplete(this.uploadComplete_Callback, js_object);

				

				this.Debug("StopUpload(): upload stopped.");

			} else {

				this.Debug("StopUpload(): No file is currently uploading. Nothing to do.");

			}

		}



		/* Cancels the upload specified by file_id

		 * If the file is currently uploading it is cancelled and the uploadComplete

		 * event gets called.

		 * If the file is not currently uploading then only the uploadCancelled event is fired.

		 * */

		private function CancelUpload(file_id:String, triggerErrorEvent:Boolean = true):void {

			var file_item:FileItem = null;

			

			// Check the current file item

			if (this.current_file_item != null && (this.current_file_item.id == file_id || !file_id)) {

					this.current_file_item.file_reference.cancel();

					this.current_file_item.file_status = FileItem.FILE_STATUS_CANCELLED;

					this.upload_cancelled++;

					

					if (triggerErrorEvent) {

						this.Debug("Event: uploadError: File ID: " + this.current_file_item.id + ". Cancelled current upload");

						ExternalCall.UploadError(this.uploadError_Callback, this.ERROR_CODE_FILE_CANCELLED, this.current_file_item.ToJavaScriptObject(), "File Upload Cancelled.");

					} else {

						this.Debug("Event: cancelUpload: File ID: " + this.current_file_item.id + ". Cancelled current upload. Suppressed uploadError event.");

					}

					this.UploadComplete(false);

			} else if (file_id) {

					// Find the file in the queue

					var file_index:Number = this.FindIndexInFileQueue(file_id);

					if (file_index >= 0) {

						// Remove the file from the queue

						file_item = FileItem(this.file_queue[file_index]);

						file_item.file_status = FileItem.FILE_STATUS_CANCELLED;

						this.file_queue[file_index] = null;

						this.queued_uploads--;

						this.upload_cancelled++;

						

						// Cancel the file (just for good measure) and make the callback

						file_item.file_reference.cancel();

						this.removeFileReferenceEventListeners(file_item);

						file_item.file_reference = null;

						

						if (triggerErrorEvent) {

							this.Debug("Event: uploadError : " + file_item.id + ". Cancelled queued upload");

							ExternalCall.UploadError(this.uploadError_Callback, this.ERROR_CODE_FILE_CANCELLED, file_item.ToJavaScriptObject(), "File Cancelled");

						} else {

							this.Debug("Event: cancelUpload: File ID: " + file_item.id + ". Cancelled current upload. Suppressed uploadError event.");

						}



						// Get rid of the file object

						file_item = null;

					}

			} else {

				// Get the first file and cancel it

				while (this.file_queue.length > 0 && file_item == null) {

					// Check that File Reference is valid (if not make sure it's deleted and get the next one on the next loop)

					file_item = FileItem(this.file_queue.shift());	// Cast back to a FileItem

					if (typeof(file_item) == "undefined") {

						file_item = null;

						continue;

					}

				}

				

				if (file_item != null) {

					file_item.file_status = FileItem.FILE_STATUS_CANCELLED;

					this.queued_uploads--;

					this.upload_cancelled++;

					



					// Cancel the file (just for good measure) and make the callback

					file_item.file_reference.cancel();

					this.removeFileReferenceEventListeners(file_item);

					file_item.file_reference = null;



					if (triggerErrorEvent) {

						this.Debug("Event: uploadError : " + file_item.id + ". Cancelled queued upload");

						ExternalCall.UploadError(this.uploadError_Callback, this.ERROR_CODE_FILE_CANCELLED, file_item.ToJavaScriptObject(), "File Cancelled");

					} else {

						this.Debug("Event: cancelUpload: File ID: " + file_item.id + ". Cancelled current upload. Suppressed uploadError event.");

					}



					// Get rid of the file object

					file_item = null;

				}

				

			}



		}



		/* Requeues the indicated file. Returns true if successful or if the file is

		 * already in the queue. Otherwise returns false.

		 * */

		private function RequeueUpload(fileIdentifier:*):Boolean {

			var file:FileItem = null;

			if (typeof(fileIdentifier) === "number") {

				var fileIndex:Number = Number(fileIdentifier);

				if (fileIndex >= 0 && fileIndex < this.file_index.length) {

					file = this.file_index[fileIndex];					

				}

			} else if (typeof(fileIdentifier) === "string") {

				file = FindFileInFileIndex(String(fileIdentifier));

			} else {

				return false;

			}

			

			if (file !== null) {

				if (file.file_status === FileItem.FILE_STATUS_IN_PROGRESS || file.file_status === FileItem.FILE_STATUS_NEW) {

					return false;

				} else if (file.file_status !== FileItem.FILE_STATUS_QUEUED) {

					file.file_status = FileItem.FILE_STATUS_QUEUED;

					this.file_queue.unshift(file);

					this.queued_uploads++;

				}

				return true;

			} else {

				return false;

			}

		}

		

		

		private function GetStats():Object {

			return {

				in_progress : this.current_file_item == null ? 0 : 1,

				files_queued : this.queued_uploads,

				successful_uploads : this.successful_uploads,

				upload_errors : this.upload_errors,

				upload_cancelled : this.upload_cancelled,

				queue_errors : this.queue_errors

			};

		}

		private function SetStats(stats:Object):void {

			this.successful_uploads = typeof(stats["successful_uploads"]) === "number" ? stats["successful_uploads"] : this.successful_uploads;

			this.upload_errors = typeof(stats["upload_errors"]) === "number" ? stats["upload_errors"] : this.upload_errors;

			this.upload_cancelled = typeof(stats["upload_cancelled"]) === "number" ? stats["upload_cancelled"] : this.upload_cancelled;

			this.queue_errors = typeof(stats["queue_errors"]) === "number" ? stats["queue_errors"] : this.queue_errors;

		}



		private function GetFile(file_id:String):Object {

			var file_index:Number = this.FindIndexInFileQueue(file_id);

			if (file_index >= 0) {

				var file:FileItem = this.file_queue[file_index];

			} else {

				if (this.current_file_item != null) {

					file = this.current_file_item;

				} else {

					for (var i:Number = 0; i < this.file_queue.length; i++) {

						file = this.file_queue[i];

						if (file != null) break;

					}

				}

			}

			

			if (file == null) {

				return null;

			} else {

				return file.ToJavaScriptObject();

			}

			

		}

		

		private function GetFileByIndex(index:Number):Object {

			if (index < 0 || index > this.file_index.length - 1) {

				return null;

			} else {

				return this.file_index[index].ToJavaScriptObject();

			}

		}



		private function AddFileParam(file_id:String, name:String, value:String):Boolean {

			var item:FileItem = this.FindFileInFileIndex(file_id);

			if (item != null) {

				item.AddParam(name, value);

				return true;

			}

			else {

				return false;

			}

		}

		private function RemoveFileParam(file_id:String, name:String):Boolean {

			var item:FileItem = this.FindFileInFileIndex(file_id);

			if (item != null) {

				item.RemoveParam(name);

				return true;

			}

			else {

				return false;

			}

		}

		

		private function SetUploadURL(url:String):void {

			if (typeof(url) !== "undefined" && url !== "") {

				this.uploadURL = url;

			}

		}

		

		private function SetPostParams(post_object:Object):void {

			if (typeof(post_object) !== "undefined" && post_object !== null) {

				this.uploadPostObject = post_object;

			}

		}

		

		private function SetFileTypes(types:String, description:String):void {

			this.fileTypes = types;

			this.fileTypesDescription = description;

			

			this.LoadFileExensions(this.fileTypes);

		}



		// Sets the file size limit.  Accepts size values with units: 100 b, 1KB, 23Mb, 4 Gb

		// Parsing is not robust. "100 200 MB KB B GB" parses as "100 MB"

		private function SetFileSizeLimit(size:String):void {

			var value:Number = 0;

			var unit:String = "kb";

			

			// Trim the string

			var trimPattern:RegExp = /^\s*|\s*$/;

			

			size = size.toLowerCase();

			size = size.replace(trimPattern, "");



			

			// Get the value part

			var values:Array = size.match(/^\d+/);

			if (values !== null && values.length > 0) {

				value = parseInt(values[0]);

			}

			if (isNaN(value) || value < 0) value = 0;

			

			// Get the units part

			var units:Array = size.match(/(b|kb|mb|gb)/);

			if (units != null && units.length > 0) {

				unit = units[0];

			}

			

			// Set the multiplier for converting the unit to bytes

			var multiplier:Number = 1024;

			if (unit === "b")

				multiplier = 1;

			else if (unit === "mb")

				multiplier = 1048576;

			else if (unit === "gb")

				multiplier = 1073741824;

			

			this.fileSizeLimit = value * multiplier;

		}

		

		private function SetFileUploadLimit(file_upload_limit:Number):void {

			if (file_upload_limit < 0) file_upload_limit = 0;

			this.fileUploadLimit = file_upload_limit;

		}

		

		private function SetFileQueueLimit(file_queue_limit:Number):void {

			if (file_queue_limit < 0) file_queue_limit = 0;

			this.fileQueueLimit = file_queue_limit;

		}

		

		private function SetFilePostName(file_post_name:String):void {

			if (file_post_name != "") {

				this.filePostName = file_post_name;

			}

		}

		

		private function SetUseQueryString(use_query_string:Boolean):void {

			this.useQueryString = use_query_string;

		}

		

		private function SetRequeueOnError(requeue_on_error:Boolean):void {

			this.requeueOnError = requeue_on_error;

		}

		

		private function SetHTTPSuccess(http_status_codes:*):void {

			this.httpSuccess = [];



			if (typeof http_status_codes === "string") {

				var status_code_strings:Array = http_status_codes.replace(" ", "").split(",");

				for each (var http_status_string:String in status_code_strings) 

				{

					try {

						this.httpSuccess.push(Number(http_status_string));

					} catch (ex:Object) {

						// Ignore errors

						this.Debug("Could not add HTTP Success code: " + http_status_string);

					}

				}

			}

			else if (typeof http_status_codes === "object" && typeof http_status_codes.length === "number") {

				for each (var http_status:* in http_status_codes) 

				{

					try {

						this.Debug("adding: " + http_status);

						this.httpSuccess.push(Number(http_status));

					} catch (ex:Object) {

						this.Debug("Could not add HTTP Success code: " + http_status);

					}

				}

			}

		}



		private function SetAssumeSuccessTimeout(timeout_seconds:Number):void {

			this.assumeSuccessTimeout = timeout_seconds < 0 ? 0 : timeout_seconds;

		}		

		

		private function SetDebugEnabled(debug_enabled:Boolean):void {

			this.debugEnabled = debug_enabled;

		}

		

		/* *************************************************************

			Button Handling Functions

		*************************************************************** */

		private function SetButtonImageURL(button_image_url:String):void {

			this.buttonImageURL = button_image_url;



			try {

				if (this.buttonImageURL !== null && this.buttonImageURL !== "") {

					this.buttonLoader.load(new URLRequest(this.buttonImageURL));

				}

			} catch (ex:Object) {

			}

		}

		

		private function ButtonClickHandler(e:MouseEvent):void {

			if (!this.buttonStateDisabled) {

				if (this.buttonAction === this.BUTTON_ACTION_SELECT_FILE) {

					this.SelectFile();

				}

				else if (this.buttonAction === this.BUTTON_ACTION_START_UPLOAD) {

					this.StartUpload();

				}

				else {

					this.SelectFiles();

				}

			}

		}

		

		private function UpdateButtonState():void {

			var xOffset:Number = 0;

			var yOffset:Number = 0;

			

			this.buttonLoader.x = xOffset;

			this.buttonLoader.y = yOffset;

			

			if (this.buttonStateDisabled) {

				this.buttonLoader.y = this.buttonHeight * -3 + yOffset;

			}

			else if (this.buttonStateMouseDown) {

				this.buttonLoader.y = this.buttonHeight * -2 + yOffset;

			}

			else if (this.buttonStateOver) {

				this.buttonLoader.y = this.buttonHeight * -1 + yOffset;

			}

			else {

				this.buttonLoader.y = -yOffset;

			}

		};



		private function SetButtonDimensions(width:Number = -1, height:Number = -1):void {

			if (width >= 0) {

				this.buttonWidth = width;

			}

			if (height >= 0) {

				this.buttonHeight = height;

			}

			

			this.buttonTextField.width = this.buttonWidth;

			this.buttonTextField.height = this.buttonHeight;

			this.buttonCursorSprite.width = this.buttonWidth;

			this.buttonCursorSprite.height = this.buttonHeight;

			

			this.UpdateButtonState();

		}

		

		private function SetButtonText(button_text:String):void {

			this.buttonText = button_text;

			

			this.SetButtonTextStyle(this.buttonTextStyle);

		}

		

		private function SetButtonTextStyle(button_text_style:String):void {

			this.buttonTextStyle = button_text_style;

			

			var style:StyleSheet = new StyleSheet();

			style.parseCSS(this.buttonTextStyle);

			this.buttonTextField.styleSheet = style;

			this.buttonTextField.htmlText = this.buttonText;

		}



		private function SetButtonTextPadding(left:Number, top:Number):void {

				this.buttonTextField.x = this.buttonTextLeftPadding = left;

				this.buttonTextField.y = this.buttonTextTopPadding = top;

		}

		

		private function SetButtonDisabled(disabled:Boolean):void {

			this.buttonStateDisabled = disabled;

			this.UpdateButtonState();

		}

		

		private function SetButtonAction(button_action:Number):void {

			this.buttonAction = button_action;

		}

		

		private function SetButtonCursor(button_cursor:Number):void {

			this.buttonCursor = button_cursor;

			

			this.buttonCursorSprite.useHandCursor = (button_cursor === this.BUTTON_CURSOR_HAND);

		}

		

		/* *************************************************************

			File processing and handling functions

		*************************************************************** */

		private function StartUpload(file_id:String = ""):void {

			// Only upload a file uploads are being processed.

			if (this.current_file_item != null) {

				this.Debug("StartUpload(): Upload already in progress. Not starting another upload.");

				return;

			}



			this.Debug("StartUpload: " + (file_id ? "File ID: " + file_id : "First file in queue"));



			// Check the upload limit

			if (this.successful_uploads >= this.fileUploadLimit && this.fileUploadLimit != 0) {

				this.Debug("Event: uploadError : Upload limit reached. No more files can be uploaded.");

				ExternalCall.UploadError(this.uploadError_Callback, this.ERROR_CODE_UPLOAD_LIMIT_EXCEEDED, null, "The upload limit has been reached.");

				this.current_file_item = null;

				return;

			}

			

			// Get the next file to upload

			if (!file_id) {

				while (this.file_queue.length > 0 && this.current_file_item == null) {

					this.current_file_item = FileItem(this.file_queue.shift());

					if (typeof(this.current_file_item) == "undefined") {

						this.current_file_item = null;

					}

				}

			} else {

				var file_index:Number = this.FindIndexInFileQueue(file_id);

				if (file_index >= 0) {

					// Set the file as the current upload and remove it from the queue

					this.current_file_item = FileItem(this.file_queue[file_index]);

					this.file_queue[file_index] = null;

				} else {

					this.Debug("Event: uploadError : File ID not found in queue: " + file_id);

					ExternalCall.UploadError(this.uploadError_Callback, this.ERROR_CODE_SPECIFIED_FILE_ID_NOT_FOUND, null, "File ID not found in the queue.");

				}

			}





			if (this.current_file_item != null) {

				// Trigger the uploadStart event which will call ReturnUploadStart to begin the actual upload

				this.Debug("Event: uploadStart : File ID: " + this.current_file_item.id);

				

				this.current_file_item.file_status = FileItem.FILE_STATUS_IN_PR