- if (flags & Ci.nsIWebProgressListener.STATE_START)
- this.progress = 0;
- if (flags & Ci.nsIWebProgressListener.STATE_STOP) {
- this.progress = "";
+ const L = Ci.nsIWebProgressListener;
+
+ if (flags & (L.STATE_IS_DOCUMENT | L.STATE_IS_WINDOW))
+ if (flags & L.STATE_START)
+ this.progress = 0;
+ else if (flags & L.STATE_STOP)
+ this.progress = "";
+
+ if (flags & L.STATE_STOP)