var backgroundPage = null;

var stableRules = null;

var unstableRules = null;

var hostReg = /.*\/\/[^$/]*\//;

function toggleRuleLine(checkbox, ruleset) {

ruleset.active = checkbox.checked;

if (ruleset.active != ruleset.default_state) {

localStorage[ruleset.name] = ruleset.active;

} else {

delete localStorage[ruleset.name];

}

// Now reload the selected tab of the current window.

chrome.tabs.reload();

}

function createRuleLine(ruleset) {

// parent block for line

var line = document.createElement("div");

line.className = "rule checkbox";

// label "container"

var label = document.createElement("label");

// checkbox

var checkbox = document.createElement("input");

checkbox.type = "checkbox";

if (ruleset.active) {

checkbox.setAttribute("checked", "");

}

checkbox.onchange = function(ev) {

toggleRuleLine(checkbox, ruleset);

};

label.appendChild(checkbox);

// favicon (from chrome's cache)

var favicon = document.createElement("img");

favicon.src = "chrome://favicon/";

for (var i=0; i < ruleset.rules.length; i++) {

var host = hostReg.exec(ruleset.rules[i].to);

if (host) {

favicon.src += host[0];

break;

}

}

label.appendChild(favicon);

// label text

var text = document.createElement("span");

text.innerText = ruleset.name;

if (ruleset.note.length) {

text.title = ruleset.note;

}

label.appendChild(text);

line.appendChild(label);

return line;

}

function gotTab(tab) {

var rulesets = backgroundPage.activeRulesets.getRulesets(tab.id);

for (var r in rulesets) {

var listDiv = stableRules;

if (!rulesets[r].default_state) {

listDiv = unstableRules;

}

listDiv.appendChild(createRuleLine(rulesets[r]));

listDiv.style.position = "static";

listDiv.style.visibility = "visible";

}

}

document.addEventListener("DOMContentLoaded", function () {

backgroundPage = chrome.extension.getBackgroundPage();

stableRules = document.getElementById("StableRules");

unstableRules = document.getElementById("UnstableRules");

chrome.tabs.getSelected(null, gotTab);

// auto-translate all elements with i18n attributes

var e = document.querySelectorAll("[i18n]");

for (var i=0; i < e.length; i++) {

e[i].innerHTML = chrome.i18n.getMessage(e[i].getAttribute("i18n"));

}

// other translations

document.getElementById("whatIsThis").setAttribute("title", chrome.i18n.getMessage("chrome_what_is_this_title"));

});