michael@0: /**
michael@0:  * Focus hyperlink invoker.
michael@0:  *
michael@0:  * @param aID             [in] hyperlink identifier
michael@0:  * @param aSelectedAfter  [in] specifies if hyperlink is selected/focused after
michael@0:  *                          the focus
michael@0:  */
michael@0: function focusLink(aID, aSelectedAfter)
michael@0: {
michael@0:   this.node = getNode(aID);
michael@0:   this.accessible = getAccessible(this.node);
michael@0: 
michael@0:   this.eventSeq = [];
michael@0:   this.unexpectedEventSeq = [];
michael@0: 
michael@0:   var checker = new invokerChecker(EVENT_FOCUS, this.accessible);
michael@0:   if (aSelectedAfter)
michael@0:     this.eventSeq.push(checker);
michael@0:   else
michael@0:     this.unexpectedEventSeq.push(checker);
michael@0: 
michael@0:   this.invoke = function focusLink_invoke()
michael@0:   {
michael@0:     var expectedStates = (aSelectedAfter ? STATE_FOCUSABLE : 0);
michael@0:     var unexpectedStates = (!aSelectedAfter ? STATE_FOCUSABLE : 0) | STATE_FOCUSED;
michael@0:     testStates(aID, expectedStates, 0, unexpectedStates, 0);
michael@0: 
michael@0:     this.node.focus();
michael@0:   }
michael@0: 
michael@0:   this.finalCheck = function focusLink_finalCheck()
michael@0:   {
michael@0:     var expectedStates = (aSelectedAfter ? STATE_FOCUSABLE | STATE_FOCUSED : 0);
michael@0:     var unexpectedStates = (!aSelectedAfter ? STATE_FOCUSABLE | STATE_FOCUSED : 0);
michael@0:     testStates(aID, expectedStates, 0, unexpectedStates, 0);
michael@0:   }
michael@0: 
michael@0:   this.getID = function focusLink_getID()
michael@0:   {
michael@0:     return "focus hyperlink " + prettyName(aID);
michael@0:   }
michael@0: }