Bug 948287 - [Download API] Accessing startTime attribute at download start fires NS_ERROR_UNEXPECTED in emulator. r=fabrice

dom/downloads/src/DownloadsAPI.js

@@ -198,6 +198,7 @@ function createDOMDownloadObject(aWindow, aDownload) {
 
 function DOMDownloadImpl() {
   debug("DOMDownloadImpl constructor ");
+
   this.wrappedJSObject = this;
   this.totalBytes = 0;
   this.currentBytes = 0;
@@ -205,9 +206,11 @@ function DOMDownloadImpl() {
   this.path = null;
   this.state = "stopped";
   this.contentType = null;
-  this.startTime = Date.now();
   this.error = null;
 
+  /* fields that require getters/setters */
+  this._startTime = new Date();
+
   /* private fields */
   this.id = null;
 }
@@ -244,6 +247,19 @@ DOMDownloadImpl.prototype = {
     return this.__DOM_IMPL__.getEventHandler("onstatechange");
   },
 
+  get startTime() {
+    return this._startTime;
+  },
+
+  set startTime(aStartTime) {
+    if (aStartTime instanceof Date) {
+      this._startTime = aStartTime;
+    }
+    else {
+      this._startTime = new Date(aStartTime);
+    }
+  },
+
   _init: function(aWindow, aDownload) {
     this._window = aWindow;
     this.id = aDownload.id;