Bug 918598 - Support touch typing. r=marcoz r=davidb

accessible/src/jsat/AccessFu.jsm

@@ -735,6 +735,9 @@ var Input = {
       case 'swipeleft1':
         this.moveCursor('movePrevious', 'Simple', 'gesture');
         break;
+      case 'exploreend1':
+        this.activateCurrent(null, true);
+        break;
       case 'swiperight2':
         this.sendScrollMessage(-1, true);
         break;
@@ -875,12 +878,13 @@ var Input = {
     mm.sendAsyncMessage(type, aDetails);
   },
 
-  activateCurrent: function activateCurrent(aData) {
+  activateCurrent: function activateCurrent(aData, aActivateIfKey = false) {
     let mm = Utils.getMessageManager(Utils.CurrentBrowser);
     let offset = aData && typeof aData.keyIndex === 'number' ?
                  aData.keyIndex - Output.brailleState.startOffset : -1;
 
-    mm.sendAsyncMessage('AccessFu:Activate', {offset: offset});
+    mm.sendAsyncMessage('AccessFu:Activate',
+                        {offset: offset, activateIfKey: aActivateIfKey});
   },
 
   sendContextMenuMessage: function sendContextMenuMessage() {

accessible/src/jsat/TouchAdapter.jsm

@@ -428,10 +428,10 @@ TouchPoint.prototype = {
     }
 
     // To be considered an explore...
-    if (!this.done &&
-        duration > TouchAdapter.SWIPE_MAX_DURATION &&
+    if (duration > TouchAdapter.SWIPE_MAX_DURATION &&
         (this.distanceTraveled / this.dpi) > TouchAdapter.TAP_MAX_RADIUS) {
-      return {type: 'explore', x: this.x, y: this.y};
+      return {type: this.done ? 'exploreend' : 'explore',
+              x: this.x, y: this.y};
     }
 
     return null;

accessible/src/jsat/TraversalRules.jsm

@@ -31,6 +31,7 @@ const ROLE_CHECK_MENU_ITEM = Ci.nsIAccessibleRole.ROLE_CHECK_MENU_ITEM;
 const ROLE_PASSWORD_TEXT = Ci.nsIAccessibleRole.ROLE_PASSWORD_TEXT;
 const ROLE_RADIO_MENU_ITEM = Ci.nsIAccessibleRole.ROLE_RADIO_MENU_ITEM;
 const ROLE_TOGGLE_BUTTON = Ci.nsIAccessibleRole.ROLE_TOGGLE_BUTTON;
+const ROLE_KEY = Ci.nsIAccessibleRole.ROLE_KEY;
 const ROLE_ENTRY = Ci.nsIAccessibleRole.ROLE_ENTRY;
 const ROLE_LIST = Ci.nsIAccessibleRole.ROLE_LIST;
 const ROLE_DEFINITION_LIST = Ci.nsIAccessibleRole.ROLE_DEFINITION_LIST;
@@ -104,6 +105,7 @@ var gSimpleTraversalRoles =
    ROLE_RADIO_MENU_ITEM,
    ROLE_TOGGLE_BUTTON,
    ROLE_ENTRY,
+   ROLE_KEY,
    ROLE_HEADER,
    ROLE_HEADING,
    // Used for traversing in to child OOP frames.

accessible/src/jsat/content-script.js

@@ -164,6 +164,12 @@ function forwardToChild(aMessage, aListener, aVCPosition) {
 function activateCurrent(aMessage) {
   Logger.debug('activateCurrent');
   function activateAccessible(aAccessible) {
+    if (aMessage.json.activateIfKey &&
+        aAccessible.role != Ci.nsIAccessibleRole.ROLE_KEY) {
+      // Only activate keys, don't do anything on other objects.
+      return;
+    }
+
     if (aAccessible.actionCount > 0) {
       aAccessible.doAction(0);
     } else {