Takazudo

// a little modified version of
// position: fixed support detection from jQuery mobile.
// 
// This script also defines Android2.x as out of support.
// 
// https://github.com/jquery/jquery-mobile/blob/master/js/support.js
// http://demos.jquerymobile.com/1.4.4/toolbar-fixed/
// http://jimbergman.net/webkit-version-in-android-version/

Modernizr.addTest('positionfixed', function() {

Takazudo

/**
 * `html` class tweaking
 */
(function() {

  var html = document.getElementsByTagName("html")[0];

  /* helpers */

  var hasClass = function(node, cls) {

Takazudo

//===========================================
// API

app.api._createSinglePipeRequestFn = function(options) {
  /*
    options should have...
    type: 'GET' // or 'POST'
    url: '/blahblah/'
  */
  return (function() {

Takazudo

/**
 * `html` class tweaking
 * if `devicePixelRatio` was 2, switch html's class
 * from `dpr-1` to `dpr-2`
 */
(function() {

  var html = document.getElementsByTagName("html")[0];

  /* helpers */

Takazudo

var legacyIE = (function() {

  var ua = navigator.userAgent;
  var matchRes = ua.match(/msie\s?(\d+)/i);

  // '.... MSIE 7.0; Windows....'
  // => ["MSIE 7", "7"]

  if(!matchRes) { return false; }
  var version = matchRes[1];

Takazudo

var win8orhigher = (function() {
  // windows browsers has str like "Windows NT 6.2" in its UA
  // Win8 UAs' version is "6.2"
  // browsers above this version may has touch events.
  var ua = navigator.userAgent;
  var matched = ua.match(/Windows NT ([\d\.]+)/);
  if(!matched) { return false; }
  var version = matched[1] * 1;
  if(version < 6.2) { return false; }
  return true;

Takazudo

# transitionEnd event name detection from Modernizr
# http://modernizr.com/docs/

transEndEventName = do ->
  names =
    WebkitTransition: "webkitTransitionEnd"
    MozTransition: "transitionend"
    OTransition: "oTransitionEnd"
    msTransition: "MSTransitionEnd"
    transition: "transitionend"

Takazudo

/* lazy eventy implementation with jQuery */

class Module
  on: (evName, callback) ->
    @_observer = $({}) unless @_observer?
    @_observer.on evName, (args...) =>
      args.shift() # we don't want event object
      callback.apply @_observer, args
    @
  one: (evName, callback) ->

Takazudo

class Module
_.extend Module::, Backbone.Events

class AudioPreloader extends Module
  
  constructor: (options) ->

    @options = options
    @playableSrc = @_detectPlayableSrc()

Takazudo

window.requestAnimFrame = do ->
  window.requestAnimationFrame or
  window.webkitRequestAnimationFrame or
  window.mozRequestAnimationFrame or
  window.oRequestAnimationFrame or
  window.msRequestAnimationFrame or
  (callback, element) ->
    window.setTimeout callback, 1000 / 60