text: // Copyright 2007 The Closure Library Authors. All Rights Reserved.
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  //      http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS-IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  
  /**
   * @fileoverview Definition of goog.ui.MockActivityMonitor.
   */
  
  goog.provide('goog.ui.MockActivityMonitor');
  
  goog.require('goog.events.EventType');
  goog.require('goog.ui.ActivityMonitor');
  
  
  
  /**
   * A mock implementation of goog.ui.ActivityMonitor for unit testing. Clients
   * of this class should override goog.now to return a synthetic time from
   * the unit test.
   * @constructor
   * @extends {goog.ui.ActivityMonitor}
   */
  goog.ui.MockActivityMonitor = function() {
    goog.base(this);
  
    /**
     * Tracks whether an event has been fired. Used by simulateEvent.
     * @type {boolean}
     * @private
     */
    this.eventFired_ = false;
  };
  goog.inherits(goog.ui.MockActivityMonitor, goog.ui.ActivityMonitor);
  
  
  /**
   * Simulates an event that updates the user to being non-idle.
   * @param {goog.events.EventType=} opt_type The type of event that made the user
   *     not idle. If not specified, defaults to MOUSEMOVE.
   */
  goog.ui.MockActivityMonitor.prototype.simulateEvent = function(opt_type) {
    var eventTime = goog.now();
    var eventType = opt_type || goog.events.EventType.MOUSEMOVE;
  
    this.eventFired_ = false;
    this.updateIdleTime(eventTime, eventType);
  
    if (!this.eventFired_) {
      this.dispatchEvent(goog.ui.ActivityMonitor.Event.ACTIVITY);
    }
  };
  
  
  /**
   * @override
   */
  goog.ui.MockActivityMonitor.prototype.dispatchEvent = function(e) {
    goog.base(this, 'dispatchEvent', e);
    this.eventFired_ = true;
  };
  