o_o.js

   1 /* The person who associated a work with this deed has dedicated the
   2    work to the public domain by waiving all of his or her rights to
   3    the work worldwide under copyright law, including all related and
   4    neighboring rights, to the extent allowed by law.
   5
   6    You can copy, modify, distribute and perform the work, even for
   7    commercial purposes, all without asking permission.
   8 */
   9
  10 (function () {
  11     "use strict";
  12
  13     var broken = false;
  14     var _window = window.parent;
  15
  16     function clamp (i, hi) { return Math.max(0, Math.min(hi, +i | 0)); }
  17     function force10 (i) { return clamp(i, 1023); }
  18     function force16 (i) { return clamp(i, 65535); }
  19     function forcebool (i) { return !!(+i || i === "true"); }
  20     function forcestr (s) { return (s || "").toString().substring(0, 1023); }
  21
  22     var KEYS = {
  23         MapX: force10, MapY: force10,
  24         PlayerName: forcestr,
  25         Misc0: force16, Misc1: force16, Misc2: force16, Misc3: force16,
  26         Switch0: forcebool, Switch1: forcebool,
  27         Switch2: forcebool, Switch3: forcebool,
  28         Switch4: forcebool, Switch5: forcebool,
  29         Switch6: forcebool, Switch7: forcebool
  30     };
  31
  32     function generateMessage () {
  33         var r = {};
  34         for (var k in KEYS)
  35             r[k] = KEYS[k](localStorage["WEBCART1000 " + k]);
  36         return r;
  37     }
  38
  39     function storeMessage (data) {
  40         if (!data || typeof data !== "object")
  41             return;
  42         for (var k in KEYS) {
  43             if (k in data) {
  44                 localStorage["WEBCART1000 " + k] = KEYS[k](data[k]);
  45             }
  46         }
  47     }
  48
  49     function postMessage () {
  50         _window.postMessage(generateMessage(), "*");
  51     }
  52
  53     function onMessage (event) {
  54         if (broken)
  55             return;
  56         if (event.data === "refresh") {
  57             _window = event.source;
  58             postMessage();
  59         } else {
  60             storeMessage(event.data);
  61         }
  62     }
  63
  64     function onStorage (event) {
  65         postMessage();
  66     }
  67
  68     window.addEventListener("load", function () {
  69         try {
  70             localStorage.setItem("WEBCART1000", "WEBCART1000");
  71         } catch (exc) {
  72             broken = true;
  73             return;
  74         }
  75         window.addEventListener("message", onMessage, false);
  76         window.addEventListener("storage", onStorage, false);
  77         postMessage();
  78     }, false);
  79
  80 }).call(window.webcart1000 = {});