Bug 920946 - Introduce dwellend gesture to allow better touch typing. r=marcoz

accessible/src/jsat/AccessFu.jsm

@@ -744,6 +744,7 @@ var Input = {
         this.contextAction('forward');
         break;
       case 'exploreend1':
+      case 'dwellend1':
         this.activateCurrent(null, true);
         break;
       case 'swiperight2':

accessible/src/jsat/TouchAdapter.jsm

@@ -392,6 +392,8 @@ TouchPoint.prototype = {
         return {type: 'tap', x: this.startX, y: this.startY};
       } else if (!this.done && duration == TouchAdapter.DWELL_THRESHOLD) {
         return {type: 'dwell', x: this.startX, y: this.startY};
+      } else if (this.done && duration > TouchAdapter.DWELL_THRESHOLD) {
+        return {type: 'dwellend', x: this.startX, y: this.startY};
       }
     }