issue 1526 - Implement new options page design for Chrome/Opera/Safari

options.js

Index: options.js
===================================================================
new file mode 100644
--- /dev/null
+++ b/options.js
@@ -0,0 +1,670 @@
+/*
+ * This file is part of Adblock Plus <http://adblockplus.org/>,
+ * Copyright (C) 2006-2015 Eyeo GmbH
+ *
+ * Adblock Plus is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * Adblock Plus is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+"use strict";
+
+(function()
+{
+  var optionSubscriptions = {};
+  
+  function onDOMLoaded()
+  {
+    initTabs();
+    updateShareLink();
+    populateLists();
+
+    E("add-blocking-list").addEventListener("click", Modal.open, false);
+    E("add-website-language").addEventListener("click", Modal.open, false);
+    E("modal-close").addEventListener("click", Modal.close, false);
+    E("whitelisting-add-icon").addEventListener("click", whitelistDomainBtnClick, false);
+    E("whitelisting-add-btn").addEventListener("click", whitelistDomainBtnClick, false);
+    E("whitelisting-enter-icon").addEventListener("click", whitelistDomainBtnClick, false);
+    E("whitelisting-textbox").addEventListener("keypress", function(e) {
+      if (e.keyCode == 13)
+        whitelistDomainBtnClick();
+    }, false);
+    E("whitelisting-cancel-btn").addEventListener("click", function(){
+      E("whitelisting-textbox").value = "";
+    }, false);
+    E("allow-whitelist-cb").addEventListener("click", toggleAcceptableAds, false);
+    E("import-blockingList-btn").addEventListener("click", importListBtnCLick, false);
+    E("edit-ownBlockingList-btn").addEventListener("click", editOwnRulsBtnClick, false);
+    E("find-language").addEventListener("keyup", searchLanguage, false);
+  }
+  
+  function initTabs()
+  {
+    var showContent = function(tab)
+    {
+      var tab = tab.querySelector(".tabs li.active");
+      if (tab.dataset.show)
+        E(tab.dataset.show).style.display = "block";
+    };
+    var optionList = document.querySelectorAll('.tabs li[data-show]');
+    for (var i = 0; i < optionList.length; ++i)
+    {
+      optionList[i].addEventListener("click", function(ev)
+      {
+        var tab = this.parentNode.querySelector(".active");
+        tab.classList.remove("active");
+        this.classList.add("active");
+        E(tab.dataset.show).style.display = "none";;
+        showContent(this.parentNode);
+      }, false);
+    }
+    showContent(E("main-navigation-tabs"));
+    showContent(E("blocking-list-tabs"));
+  }
+  
+  var Modal =
+  {
+    open: function (content)
+    {
+      var modal = E("modal");
+      var content = E(this && this.dataset ? this.dataset.show : content);
+      content.style.display = "block";
+      modal.style.visibility = "visible";
+      E("modal-background").style.display = "block";
+      if (content.dataset.title)
+        E("modal-title").innerHTML = ext.i18n.getMessage(content.dataset.title);
+      modal.style.marginTop = -(modal.clientHeight/2)+"px";
+    },
+    close: function ()
+    {
+      var contents = E("modal-content").childNodes;
+      for (var i = 0; i < contents.length; ++i)
+      {
+        if (contents[i].style)
+          contents[i].style.display = "none";
+      }
+      E("modal-background").style.display = "none";
+      E("modal").style.visibility = "hidden";
+    }
+  }
+  
+  function populateLists()
+  {
+    ext.backgroundPage.sendMessage({
+      type: "subscriptions.get",
+      special: true
+    }, function(subscriptions)
+    {
+      for (var i = 0; i < subscriptions.length; i++)
+      {
+        ext.backgroundPage.sendMessage({
+          type: "filters.get",
+          subscriptionUrl: subscriptions[i].url
+        }, function(filters)
+        {
+          var whitelistArray = [];
+          for (var i = 0; i < filters.length; i++)
+          {
+            var match = filters[i].text.match(/^@@\|\|([^\/:]+)\^\$document$/);
+            if (match[1])
+            {
+              whitelistArray.push(match[1]);
+            }
+            else
+            {
+              // TODO: add `filters[i].text` to list of custom filters
+            }
+          }
+          
+          if (whitelistArray.length > 0)
+          {
+            whitelistArray.sort();
+            for (var i = 0; i < whitelistArray.length; i++)
+            {
+              var domain = whitelistArray[i];
+              E("whitelisting-table").appendChild(createWhitelistElem(domain));
+            }
+          }
+        });
+      }
+    });
+    
+    loadRecommendations(function(recommends)
+    {
+      ext.backgroundPage.sendMessage({
+        type: "subscriptions.get",
+        downloadable: true
+      }, function(subscriptions)
+      {
+        getAcceptableAdsURL(function(exceptionUrl)
+        {
+          for (var i = 0; i < subscriptions.length; i++)
+          {
+            if (subscriptions[i].url == exceptionUrl)
+            {
+              E("allow-whitelist-cb").previousSibling.checked = !subscriptions[i].disabled;
+              continue;
+            }
+ 
+            var subscription = recommends[subscriptions[i].url];
+            if (!subscription)
+              recommends[subscriptions[i].url] = subscriptions[i];
+            else
+            {
+              subscription.disabled = subscriptions[i].disabled;
+              if (subscription.type == "ads")
+                subscription.isAdded = true;
+            }
+          }
+          for (var key in recommends)
+            addOptionItem(recommends[key]);
+        });
+      });
+    });
+  }
+  
+  function loadRecommendations(callback)
+  {
+    var recommendations = {};
+    var request = new XMLHttpRequest();
+    request.open("GET", "subscriptions.xml");
+    request.onload = function()
+    {
+      var list = document.getElementById("subscriptionSelector");
+      var elements = request.responseXML.documentElement.getElementsByTagName("subscription");
+      for (var i = 0; i < elements.length; i++)
+      {
+        var element = elements[i];
+        var subscription = {};
+        subscription.title = element.getAttribute("title");
+        subscription.url = element.getAttribute("url");
+        subscription.disabled = true;
+        var prefix = element.getAttribute("prefixes");
+        if (prefix)
+        {
+          subscription.prefixes = element.getAttribute("prefixes");
+          subscription.type = "ads";
+          subscription.display = ext.i18n.getMessage("options_language_"+subscription.prefixes.replace(/,/g, '_'));
+        }
+        else
+          subscription.display = element.getAttribute("specialization");
+        
+        var popular = element.getAttribute("popular");
+        if (popular)
+          subscription.popular = element.getAttribute("popular");
+        
+        recommendations[subscription.url] = subscription;
+      }
+      optionSubscriptions = recommendations;
+      callback(recommendations);
+    }
+    request.send();
+  }
+  
+  function searchLanguage()
+  {
+    var searchVal = this.value;
+    var items = E("all-lang-table").childNodes;
+    for (i = 0; i < items.length; ++i)
+    {
+      var item = items[i];
+      var language = item.getElementsByTagName("span")[1].innerHTML;
+      if (language.toLowerCase().indexOf(searchVal.toLowerCase()) > -1)
+        item.style.display = "block";
+      else
+        item.style.display = "none";
+    }
+  }
+  
+  function addOptionItem(subscription)
+  {
+    var display = subscription.display ? subscription.display : subscription.title;
+    var getPossition = function(elements, subscription)
+    {
+      var localArray = [];
+      for (var i = 0; i < elements.length; i++)
+      {
+        var elem = elements[i];
+        localArray.push(elem);
+      }
+      
+      localArray.push(subscription);
+      return localArray.sort(function(a, b) {
+        var aPopular = a.getElementsByClassName("popular").length > 0;
+        var bPopular = b.getElementsByClassName("popular").length > 0;
+        if(aPopular == bPopular)
+        {
+          var aValue = a.getElementsByClassName("display")[0].innerHTML.toLowerCase();
+          var bValue = b.getElementsByClassName("display")[0].innerHTML.toLowerCase();
+          if (aValue < bValue)
+            return -1;
+          if (aValue > bValue)
+            return 1;
+          return 0;
+        }
+        if (aPopular == "true")
+          return 1;
+        else
+          return -1;
+      }).indexOf(subscription);
+    };
+    
+    var checkBoxClick = function()
+    {
+      toggleSubscription(subscription);
+    };
+    
+    var appendToTable = function(table, elem)
+    {
+      var elements = table.getElementsByTagName("li");
+      if (elements.length == 0)
+        table.appendChild(elem);
+      else
+      {
+        var possition = getPossition(elements, elem);
+        table.insertBefore(elem, table.childNodes[possition]);
+      }
+    };
+    
+    if (subscription.type && subscription.type == "ads")
+    {
+      if (!subscription.isAdded)
+      {
+        var listElem = generateListElement(subscription, subscription.display, "add");
+        listElem.dataset.url = subscription.url;
+        listElem._subscription = subscription;
+        listElem.getElementsByTagName("button")[0].addEventListener("click", function()
+        {
+          addSubscription(this.dataset.url);
+        }.bind(listElem), false);
+        appendToTable(E("all-lang-table"), listElem);
+      }
+      else
+      {
+        var listElem = generateListElement(subscription, display, "checkbox");
+        listElem.dataset.url = subscription.url;
+        listElem._subscription = subscription;
+        listElem.getElementsByTagName("label")[0].addEventListener("click", checkBoxClick, false);
+        appendToTable(E("blocking-languages-table"), listElem);
+        var listElem = generateListElement(subscription, display);
+        listElem.dataset.url = subscription.url;
+        listElem._subscription = subscription;
+        appendToTable(E("blocking-languages-modal-table"), listElem);
+      }
+    }
+    else
+    {
+      var listElem = generateListElement(subscription, display, "checkbox");
+      listElem.dataset.url = subscription.url;
+      listElem._subscription = subscription;
+      listElem.getElementsByTagName("label")[0].addEventListener("click", checkBoxClick, false);
+      appendToTable(E("further-list-table"), listElem);
+    }
+  }
+  
+  function addLanguageSubscription(subscription)
+  {
+    var optionSubscription = getOptionSubscription(subscription.url);
+    var elems = getElementsByUrl(subscription.url);
+    for (var i = 0; i < elems.length; i++)
+      elems[i].parentNode.removeChild(elems[i]);
+    optionSubscription.isAdded = true;
+    optionSubscription.disabled = false;
+    addOptionItem(optionSubscription);
+  }
+  
+  function createWhitelistElem(domain)
+  {
+    var listElem = generateListElement(null, domain, "delete");
+    listElem.dataset.domain = domain;
+    listElem.getElementsByTagName("button")[0].addEventListener("click", removeWhitelistBtnClick.bind(listElem), false);
+    return listElem;
+  }
+  
+  function addFurtherList(subscription)
+  {
+    var optionSubscription = getOptionSubscription(subscription.url);
+    if (optionSubscription)
+    {
+      optionSubscription.disabled = false;
+      addOptionItem(optionSubscription);
+    }
+    else
+    {
+      optionSubscriptions[subscription.url] = subscription;
+      addOptionItem(subscription);
+    }
+  }
+  
+  function updateSubscriptionState(subscription, state)
+  {
+    var elem = getElementsByUrl(subscription.url);
+    if (elem.length > 0)
+    {
+      for (var i = 0; i < elem.length; i++)
+      {
+        var checkbox = elem[i].getElementsByTagName("input")[0];
+        if (checkbox)
+          checkbox.checked = state;
+      }
+    }
+    else
+    {
+      getAcceptableAdsURL(function(exceptionUrl)
+      {
+        if (subscription.url == exceptionUrl)
+          E("allow-whitelist-cb").previousSibling.checked = !state;
+        else
+          addFurtherList(subscription);
+      });
+    }
+  }
+  
+  function getElementsByUrl(url)
+  {
+    return document.querySelectorAll("[data-url='"+url+"']");
+  }
+  
+  function generateListElement(subscription, text, type)
+  {
+    var list = document.createElement("li");
+    if (type == "checkbox")
+    {
+      var input = document.createElement("input");
+      input.setAttribute("type", "checkbox");
+      if (subscription.disabled == false)
+        input.checked = true;
+      list.appendChild(input);
+      var label = document.createElement("label");
+      list.appendChild(label);
+    }
+    else if (type == "delete")
+    {
+      var button = document.createElement("button");
+      button.setAttribute("class", "delete");
+      list.appendChild(button);
+    }
+    else if (type == "add")
+    {
+      var button = document.createElement("button");
+      button.setAttribute("class", "addbtn");
+      var span = document.createElement("span");
+      span.innerHTML = "+" + ext.i18n.getMessage("options_btn_add");
+      button.appendChild(span);
+      list.appendChild(button);
+    }
+    var span = document.createElement("span");
+    span.setAttribute("class", "display");
+    span.innerHTML = text;
+    list.appendChild(span);
+    
+    if (subscription && subscription.popular == "true")
+    {
+      var popular = document.createElement("span");
+      popular.setAttribute("class", "popular");
+      popular.innerHTML = "popular";
+      list.appendChild(popular);
+    }
+    
+    return list;
+  }
+  
+  function getOptionSubscription(url)
+  {
+    return optionSubscriptions[url];
+  }
+
+  function importListBtnCLick()
+  {
+    var url = E("blockingList-textbox").value;
+    addSubscription(url);
+    Modal.close();
+  }
+  
+  function whitelistDomainBtnClick()
+  {
+    var domain = E("whitelisting-textbox").value;
+    if (domain)
+      addWhitelistedDomain(domain);
+  }
+  
+  function removeWhitelistBtnClick()
+  {
+    removeWhitelistedDomain(this.dataset.domain);
+  }
+  
+  function editOwnRulsBtnClick()
+  {
+    
+  }
+  
+  function showAddSubscriptionDialog(action, subscription)
+  {
+    E("blockingList-textbox").value = subscription.url;
+    Modal.open("further-blocking-modal");
+  }
+  
+  function getAcceptableAdsURL(callback)
+  {
+    ext.backgroundPage.sendMessage({
+      type: "prefs.get",
+      key: "subscriptions_exceptionsurl"
+    }, function(value)
+    {
+      getAcceptableAdsURL = function(callback)
+      {
+        callback(value);
+      }
+      getAcceptableAdsURL(callback);
+    });
+  }
+
+  function toggleSubscription(subscription)
+  {
+    ext.backgroundPage.sendMessage({
+      type: "subscriptions.toggle",
+      url: subscription.url,
+      title: subscription.title,
+      homepage: subscription.homepage
+    });
+  }
+
+  function toggleAcceptableAds()
+  {
+    var acceptableCheckbox = this.previousSibling;
+    getAcceptableAdsURL(function(url)
+    {
+      var isChecked = acceptableCheckbox.checked;
+      var title = "Allow non-intrusive advertising";
+      if (isChecked)
+        addSubscription(url, title);
+      else
+        removeSubscription(url);
+      acceptableCheckbox.checked = !isChecked;
+    });
+  }
+
+  function addSubscription(url, title, homepage)
+  {
+    var message = {
+      type: "subscriptions.add",
+      url: url
+    };
+    if (title)
+      message.title = title;
+    if (homepage)
+      message.homepage = homepage;
+
+    ext.backgroundPage.sendMessage(message);
+  }
+
+  function removeSubscription(url)
+  {
+    ext.backgroundPage.sendMessage({
+      type: "subscriptions.remove",
+      url: url
+    });
+  }
+
+  function addWhitelistedDomain(domain)
+  {
+    ext.backgroundPage.sendMessage({
+      type: "filters.add",
+      text: "@@||" + domain.toLowerCase() + "^$document"
+    });
+  }
+
+  function removeWhitelistedDomain(domain)
+  {
+    ext.backgroundPage.sendMessage({
+      type: "filters.remove",
+      text: "@@||" + domain.toLowerCase() + "^$document"
+    });
+  }
+
+  function onFilterMessage(action, filter)
+  {
+    switch (action)
+    {
+      case "added":
+        var match = filter.text.match(/^@@\|\|([^\/:]+)\^\$document$/);
+        if (match[1])
+        {
+          var whitelistTbl =  E("whitelisting-table");
+          var items = whitelistTbl.getElementsByClassName("display");
+          var domains = [];
+          for (var i = 0; i < items.length; i++)
+          {
+            domains.push(items[i].innerHTML);
+          }
+          var domain = match[1];
+          domains.push(domain);
+          domains.sort();
+          
+          whitelistTbl.insertBefore(createWhitelistElem(domain), whitelistTbl.childNodes[domains.indexOf(domain)]);
+          E("whitelisting-textbox").value = "";
+        }
+        else
+        {
+          // TODO: add `filters[i].text` to list of custom filters
+        }
+        break;
+      case "loaded":
+        populateLists();
+        break;
+      case "removed":
+        var match = filter.text.match(/^@@\|\|([^\/:]+)\^\$document$/);
+        if (match[1])
+        {
+          var elem = document.querySelector("[data-domain='"+match[1]+"']");
+          elem.parentNode.removeChild(elem);
+        }
+        break;
+    }
+  }
+  
+  function onSubscriptionMessage(action, subscription)
+  {
+    switch (action)
+    {
+      case "added":
+        var optionSubscription = getOptionSubscription(subscription.url);
+        if (optionSubscription)
+        {
+          var isAdsType = optionSubscription.type && optionSubscription.type == "ads";
+          if (isAdsType && !optionSubscription.isAdded)
+            addLanguageSubscription(subscription);
+          else
+            updateSubscriptionState(subscription, true);
+        }
+        else
+          addFurtherList(subscription);
+        break;
+      case "disabled":
+        updateSubscriptionState(subscription, false);
+        break;
+      case "homepage":
+        // TODO: NYI
+        break;
+      case "removed":
+        updateSubscriptionState(subscription, false);
+        break;
+      case "title":
+        // TODO: NYI
+        break;
+    }
+  }
+  
+  function updateShareLink()
+  {
+    ext.backgroundPage.sendMessage({
+      type: "filters.blocked",
+      url: "https://platform.twitter.com/widgets/",
+      requestType: "SCRIPT",
+      docDomain: "adblockplus.org",
+      thirdParty: true
+    }, function(blocked)
+    {
+      // TODO: modify "share" link accordingly
+    });
+  }
+  
+  function getDocLink(link, callback)
+  {
+    ext.backgroundPage.sendMessage({
+      type: "app.get",
+      what: "doclink",
+      link: link
+    }, callback);
+  }
+  
+  function E(id)
+  {
+    return document.getElementById(id);
+  }
+
+  ext.onMessage.addListener(function(message)
+  {
+    switch (message.type)
+    {
+      case "app.listen":
+        if (message.action == "addSubscription")
+        {
+          message.args.unshift(message.action);
+          showAddSubscriptionDialog.apply(null, message.args);
+        }
+        break;
+      case "filters.listen":
+        message.args.unshift(message.action);
+        onFilterMessage.apply(null, message.args);
+        break;
+      case "subscriptions.listen":
+        message.args.unshift(message.action);
+        onSubscriptionMessage.apply(null, message.args);
+        break;
+    }
+  });
+  
+  ext.backgroundPage.sendMessage({
+    type: "app.listen",
+    filter: ["addSubscription"]
+  });
+  ext.backgroundPage.sendMessage({
+    type: "filters.listen",
+    filter: ["added", "loaded", "removed"]
+  });
+  ext.backgroundPage.sendMessage({
+    type: "subscriptions.listen",
+    filter: ["added", "disabled", "homepage", "removed", "title"]
+  });
+  
+  window.addEventListener("DOMContentLoaded", onDOMLoaded, false);
+})();