panikweb_templates/static/js/konami.js

   1 /*
   2         * Konami-JS ~
   3         * :: Now with support for touch events and multiple instances for
   4         * :: those situations that call for multiple easter eggs!
   5         * Code: http://konami-js.googlecode.com/
   6         * Examples: http://www.snaptortoise.com/konami-js
   7         * Copyright (c) 2009 George Mandis (georgemandis.com, snaptortoise.com)
   8         * Version: 1.4.1 (3/1//2013)
   9         * Licensed under the GNU General Public License v3
  10         * http://www.gnu.org/copyleft/gpl.html
  11         * Tested in: Safari 4+, Google Chrome 4+, Firefox 3+, IE7+, Mobile Safari 2.2.1 and Dolphin Browser
  12 */
  13
  14 var Konami = function(callback) {
  15         var konami= {
  16                         addEvent:function ( obj, type, fn, ref_obj )
  17                         {
  18                                 if (obj.addEventListener)
  19                                         obj.addEventListener( type, fn, false );
  20                                 else if (obj.attachEvent)
  21                                 {
  22                                         // IE
  23                                         obj["e"+type+fn] = fn;
  24                                         obj[type+fn] = function() { obj["e"+type+fn]( window.event,ref_obj ); }
  25                                         obj.attachEvent( "on"+type, obj[type+fn] );
  26                                 }
  27                         },
  28                 input:"",
  29                 pattern:"38384040373937396665",
  30                 load: function(link) {
  31                                 this.addEvent(document,"keydown", function(e,ref_obj) {
  32                                         if (ref_obj) konami = ref_obj; // IE
  33                                         konami.input+= e ? e.keyCode : event.keyCode;
  34                                         if (konami.input.length > konami.pattern.length) konami.input = konami.input.substr((konami.input.length - konami.pattern.length));
  35                                         if (konami.input == konami.pattern) {
  36                     konami.code(link);
  37                                         konami.input="";
  38                         return;
  39                     }
  40                 },this);
  41            this.iphone.load(link);
  42
  43                                 },
  44                 code: function(link) { window.location=link},
  45                 iphone:{
  46                         start_x:0,
  47                         start_y:0,
  48                         stop_x:0,
  49                         stop_y:0,
  50                         tap:false,
  51                         capture:false,
  52                                         orig_keys:"",
  53                         keys:["UP","UP","DOWN","DOWN","LEFT","RIGHT","LEFT","RIGHT","TAP","TAP"],
  54                         code: function(link) { konami.code(link);},
  55                         load: function(link){
  56                                                                         this.orig_keys = this.keys;
  57                                                                 konami.addEvent(document,"touchmove",function(e){
  58                                   if(e.touches.length == 1 && konami.iphone.capture==true){
  59                                     var touch = e.touches[0];
  60                                         konami.iphone.stop_x = touch.pageX;
  61                                         konami.iphone.stop_y = touch.pageY;
  62                                         konami.iphone.tap = false;
  63                                         konami.iphone.capture=false;
  64                                         konami.iphone.check_direction();
  65                                         }
  66                                         });
  67                                 konami.addEvent(document,"touchend",function(evt){
  68                                         if (konami.iphone.tap==true) konami.iphone.check_direction(link);
  69                                         },false);
  70                                 konami.addEvent(document,"touchstart", function(evt){
  71                                         konami.iphone.start_x = evt.changedTouches[0].pageX;
  72                                         konami.iphone.start_y = evt.changedTouches[0].pageY;
  73                                         konami.iphone.tap = true;
  74                                         konami.iphone.capture = true;
  75                                         });
  76                                         },
  77                         check_direction: function(link){
  78                                 x_magnitude = Math.abs(this.start_x-this.stop_x);
  79                                 y_magnitude = Math.abs(this.start_y-this.stop_y);
  80                                 x = ((this.start_x-this.stop_x) < 0) ? "RIGHT" : "LEFT";
  81                                 y = ((this.start_y-this.stop_y) < 0) ? "DOWN" : "UP";
  82                                 result = (x_magnitude > y_magnitude) ? x : y;
  83                                 result = (this.tap==true) ? "TAP" : result;
  84
  85                                 if (result==this.keys[0]) this.keys = this.keys.slice(1,this.keys.length);
  86                                 if (this.keys.length==0) {
  87                                                                 this.keys=this.orig_keys;
  88                                                                 this.code(link);
  89                                                                 }
  90                                 }
  91                         }
  92         }
  93
  94         typeof callback === "string" && konami.load(callback);
  95         if(typeof callback === "function")  {
  96                 konami.code = callback;
  97                 konami.load();
  98         }
  99
 100         return konami;
 101 };