extension.js

var extension = {
  dir: "",
  ver: function(fir, sec) {
    if (!sec) {
      sec = extension.manifest.version;
    }
    if (!fir) {
      fir = extension.manifest.version;
    }
    fir = fir.split(".");
    sec = sec.split(".");
    for (var i = 0; i < fir.length; i++) {
      try {
        fir[i] = parseInt(fir[i], 10);
        sec[i] = parseInt(sec[i], 10);
      } catch (e) {}
      if (fir[i] > sec[i] || !sec[i])
        return { left: true, right: false, equal: false, string: "left" };
      if (fir[i] < sec[i])
        return { left: false, right: true, equal: false, string: "right" };
    }
    if (!fir[i] && sec[i])
      return { left: false, right: true, equal: false, string: "right" };
    return { left: false, right: false, equal: true, string: "equal" };
  },
  manifest: "",
  version: 0,
  online: true,
  load: function() {
    try {
      extension.dir = chrome.i18n.getMessage("dir");
    } catch (e) {
      extension.dir = "ltr";
      extension.online = false;
    }
    if (extension.online) {
      extension.manifest = chrome.runtime.getManifest();

      extension.version = extension.manifest.version;
      jQuery(function() {
        jQuery(".msg").each(function() {
          jQuery(this).html(chrome.i18n.getMessage(jQuery(this).attr("tag")));
        });
        jQuery(".ver").each(function() {
          jQuery(this).html(extension.manifest.version);
        });
        jQuery(document.body).attr("dir", extension.dir);
        jQuery("a.pophref").on("click", document.body, function() {
          window.open(this.href, "_new");
        });
      });
    }
  },
};

if (navigator.appVersion.indexOf("Win") != -1) extension.windows = true;
if (navigator.appVersion.indexOf("Mac") != -1) extension.mac = true;
if (navigator.appVersion.indexOf("X11") != -1) extension.x11 = true;
if (navigator.appVersion.indexOf("Linux") != -1) extension.linux = true;

local = false;
function testi18() {
  extension.online = false;
  chrome.i18n = {
    getMessage: function(ina) {
      return "m(" + ina + ")";
    },
  };
  chrome.permissions = {
    contains: function() {
      return true;
    },
  };
}

function lj_get(namespace, key, def) {
  var temp;
  if (!namespace) {
    console.log("required parameters namespace");
    return;
  }
  if (!key) {
    console.log("required parameter key");
    return;
  }
  temp = localStorage[namespace] || "{}";
  try {
    temp = JSON.parse(temp);
  } catch (e) {
    temp = {};
  }
  return temp[key] == undefined ? def : temp[key];
}

function lj_set(namespace, key, value) {
  var temp;
  if (!namespace) {
    console.log("required parameters namespace");
    return;
  }
  if (!key) {
    console.log("required parameter key");
    return;
  }
  temp = localStorage[namespace] || "{}";
  try {
    temp = JSON.parse(temp);
  } catch (e) {
    temp = {};
  }
  temp[key] = value;
  localStorage[namespace] = JSON.stringify(temp);
}

if (!chrome.i18n) testi18();

extension.load();