third_party/polymer/components-chromium/core-transition/core-transition-extracted.js

   1
   2     Polymer('core-transition', {
   3
   4       type: 'transition',
   5
   6       /**
   7        * Run the animation.
   8        *
   9        * @method go
  10        * @param {Node} node The node to apply the animation on
  11        * @param {Object} state State info
  12        */
  13       go: function(node, state) {
  14         this.complete(node);
  15       },
  16
  17       /**
  18        * Set up the animation. This may include injecting a stylesheet,
  19        * applying styles, creating a web animations object, etc.. This
  20        *
  21        * @method setup
  22        * @param {Node} node The animated node
  23        */
  24       setup: function(node) {
  25       },
  26
  27       /**
  28        * Tear down the animation.
  29        *
  30        * @method teardown
  31        * @param {Node} node The animated node
  32        */
  33       teardown: function(node) {
  34       },
  35
  36       /**
  37        * Called when the animation completes. This function also fires the
  38        * `core-transitionend` event.
  39        *
  40        * @method complete
  41        * @param {Node} node The animated node
  42        */
  43       complete: function(node) {
  44         this.fire('core-transitionend', null, node);
  45       },
  46
  47       /**
  48        * Utility function to listen to an event on a node once.
  49        *
  50        * @method listenOnce
  51        * @param {Node} node The animated node
  52        * @param {string} event Name of an event
  53        * @param {Function} fn Event handler
  54        * @param {Array} args Additional arguments to pass to `fn`
  55        */
  56       listenOnce: function(node, event, fn, args) {
  57         var self = this;
  58         var listener = function() {
  59           fn.apply(self, args);
  60           node.removeEventListener(event, listener, false);
  61         }
  62         node.addEventListener(event, listener, false);
  63       }
  64
  65     });
  66