Code coverage report for app/utils/ui_effects.js

Statements: 100% (23 / 23)      Branches: 100% (14 / 14)      Functions: 100% (6 / 6)      Lines: 100% (23 / 23)      Ignored: none     

All files » app/utils/ » ui_effects.js
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'use strict';
 
;require.register("utils/ui_effects", function (exports, require, module) {
  /**
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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.
   */
 
  module.exports = {
    /**
     *
     * @param node {DOMElement} - DOM element which blinking
     * @param delay {number} - overall time of blinking
     * @param callback {function}
     * @param interval {number} - change frequence of blinking
     */
    pulsate: function pulsate(node, delay, callback, interval) {
      var self = this;
      /**
       * execute single blink
       * @param interval {number} - time of single blink
       * @param callback {function}
       * @param opacity {string|number}
       * @param iteration {number} - current iteration(default amount of iterations: 10)
       * @param isReverse {boolean} - flag, that mean opacity increase or decrease
       */
      var blink = function blink(interval, callback, opacity, iteration, isReverse) {
        var iterations = 10;
        opacity = opacity || 1;
        iteration = iteration !== undefined ? iteration : 10;
        if (iteration > 0) {
          iteration--;
          setTimeout(function () {
            isReverse = isReverse || opacity <= 1 / (iterations / 2);
            opacity = isReverse ? opacity + 1 / (iterations / 2) : opacity - 1 / (iterations / 2);
            node.css('opacity', opacity);
            blink(interval, callback, opacity, iteration, isReverse);
          }, interval / iterations);
        } else {
          node.css('opacity', 1);
          callback();
        }
      };
      interval = interval || 200;
      if (delay > 0) {
        delay -= interval;
        setTimeout(function () {
          blink(interval, function () {
            self.pulsate(node, delay, callback, interval);
          });
        }, interval);
      } else {
        callback();
      }
    }
  };
});