Bug 873412 - Implement performAction for clicking. r=kats r=eeejay

accessible/src/jsat/AccessFu.jsm

@@ -116,6 +116,7 @@ this.AccessFu = {
     Services.obs.addObserver(this, 'Accessibility:NextObject', false);
     Services.obs.addObserver(this, 'Accessibility:PreviousObject', false);
     Services.obs.addObserver(this, 'Accessibility:Focus', false);
+    Services.obs.addObserver(this, 'Accessibility:ActivateObject', false);
     Utils.win.addEventListener('TabOpen', this);
     Utils.win.addEventListener('TabClose', this);
     Utils.win.addEventListener('TabSelect', this);
@@ -157,6 +158,7 @@ this.AccessFu = {
     Services.obs.removeObserver(this, 'Accessibility:NextObject');
     Services.obs.removeObserver(this, 'Accessibility:PreviousObject');
     Services.obs.removeObserver(this, 'Accessibility:Focus');
+    Services.obs.removeObserver(this, 'Accessibility:ActivateObject');
 
     if (this.doneCallback) {
       this.doneCallback();
@@ -259,6 +261,9 @@ this.AccessFu = {
       case 'Accessibility:PreviousObject':
         this.Input.moveCursor('movePrevious', 'Simple', 'gesture');
         break;
+      case 'Accessibility:ActivateObject':
+        this.Input.activateCurrent();
+        break;
       case 'Accessibility:Focus':
         this._focused = JSON.parse(aData);
         if (this._focused) {

mobile/android/base/GeckoAccessibility.java

@@ -305,6 +305,10 @@ public class GeckoAccessibility {
                                 default:
                                     break;
                                 }
+                            } else if (action == AccessibilityNodeInfo.ACTION_CLICK && virtualViewId == VIRTUAL_CURSOR_POSITION) {
+                                GeckoAppShell.
+                                    sendEventToGecko(GeckoEvent.createBroadcastEvent("Accessibility:ActivateObject", null));
+                                return true;
                             }
                             return host.performAccessibilityAction(action, arguments);
                         }