Issue 2376 - Implement custom filters in new options page

options.js

 /*
  * This file is part of Adblock Plus <https://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
@@ skipping 20 matching lines @@
   }
 
   Collection.prototype.addItems = function() 
   {
     var length = Array.prototype.push.apply(this.items, arguments);
     if (length == 0)
       return;
 
     this.items.sort(function(a, b)
     {
-      var aValue = (a.title || a.url || a.text).toLowerCase();
-      var bValue = (b.title || b.url || a.text).toLowerCase();
+      var aValue = (a.title || a.text || a.url).toLowerCase();
+      var bValue = (b.title || b.text || b.url).toLowerCase();
       return aValue.localeCompare(bValue);
     });
 
     for (var j = 0; j < this.details.length; j++) 
     {
       var table = E(this.details[j].id);
       var template = table.querySelector("template");
       for (var i = 0; i < arguments.length; i++) 
       {
         var item = arguments[i];
@@ skipping 47 matching lines @@
       table.appendChild(template);
     }
     this.items.length = 0;
   };
 
   function onToggleSubscriptionClick(e)
   {
     e.preventDefault();
     var subscriptionUrl = e.target.parentNode.dataset.access;
     if (!e.target.checked)
-      removeSubscription(subscriptionUrl);
+    {
+       ext.backgroundPage.sendMessage(
+        {
+          type: "subscriptions.remove",
+          url: subscriptionUrl
+        });
+    }
     else
       addEnableSubscription(subscriptionUrl);
   }
 
   function onAddLanguageSubscriptionClick(e)
   {
     e.preventDefault();
     var url = this.parentNode.dataset.access;
     addEnableSubscription(url);
   }
 
   function onRemoveFilterClick()
   {
     var filter = this.parentNode.dataset.access;
-    removeFilter(filter);
+    ext.backgroundPage.sendMessage(
+    {
+      type: "filters.remove",
+      text: filter
+    });
   }
 
   collections.popular = new Collection(
   [
     {
       id: "recommend-list-table",
       onClick: onToggleSubscriptionClick
     }
   ]);
   collections.langs = new Collection(
@@ skipping 27 matching lines @@
       onClick: onToggleSubscriptionClick
     }
   ]);
   collections.whitelist = new Collection(
   [
     {
       id: "whitelisting-table", 
       onClick: onRemoveFilterClick
     }
   ]);
+  collections.customFilters = new Collection(
+  [
+    {
+      id: "custom-filters-table"
+    }
+  ]);
 
   function updateSubscription(subscription)
   {
     var subscriptionUrl = subscription.url;
     var knownSubscription = subscriptionsMap[subscriptionUrl];
     if (knownSubscription)
       knownSubscription.disabled = subscription.disabled;
     else
     {
       getAcceptableAdsURL(function(acceptableAdsUrl)
@@ skipping 76 matching lines @@
     }
   }
 
   function updateFilter(filter)
   {
     var match = filter.text.match(/^@@\|\|([^\/:]+)\^\$document$/);
     if (match && !filtersMap[filter.text])
     {
       filter.title = match[1];
       collections.whitelist.addItems(filter);
-      filtersMap[filter.text] = filter
     }
     else
-    {
-      // TODO: add `filters[i].text` to list of custom filters
-    }
+      collections.customFilters.addItems(filter);
+
+    filtersMap[filter.text] = filter;
   }
 
   function loadRecommendations()
   {
     var request = new XMLHttpRequest();
     request.open("GET", "subscriptions.xml", false);
     request.addEventListener("load", function()
     {
       var list = document.getElementById("subscriptionSelector");
       var docElem = request.responseXML.documentElement;
@@ skipping 53 matching lines @@
 
     function onFindLanguageKeyUp()
     {
       var searchStyle = E("search-style");
       if (!this.value)
         searchStyle.innerHTML = "";
       else
         searchStyle.innerHTML = "#all-lang-table li:not([data-search*=\"" + this.value.toLowerCase() + "\"]) { display: none; }";
     }
 
+    function isEnterPressed(e)
+    {
+      // e.keyCode has been deprecated so we attempt to use e.key
+      if ("key" in e)
+        return e.key == "Enter";
+      return e.keyCode == 13;  // keyCode "13" corresponds to "Enter"
+    }
+
     // Initialize navigation sidebar
     ext.backgroundPage.sendMessage(
     {
       type: "app.get",
       what: "addonVersion"
     },
     function(addonVersion)
     {
       E("abp-version").textContent = addonVersion;
     });
@@ skipping 30 matching lines @@
     {
       var id = e.target.id;
       if (id == "whitelisting-add-icon" || id == "whitelisting-enter-icon")
         addWhitelistedDomain();
       else if (id == "whitelisting-cancel-button")
         E("whitelisting-textbox").value = "";
     }, false);
     E("whitelisting-add-button").addEventListener("click", addWhitelistedDomain, false);
     E("whitelisting-textbox").addEventListener("keypress", function(e)
     {
-      // e.keyCode has been deprecated so we attempt to use e.key
-      // keyCode "13" corresponds to "Enter"
-      if ((e.key && e.key == "Enter") || (!e.key && e.keyCode == 13))
+      if (isEnterPressed(e))
         addWhitelistedDomain();
     }, false);
     E("import-blockingList-button").addEventListener("click", function()
     {
       var url = E("blockingList-textbox").value;
       addEnableSubscription(url);
       delete document.body.dataset.dialog;
     }, false);
+
+    // Advanced tab
+    var filterTextbox = document.querySelector("#custom-filters-add input");
+    placeholderValue = ext.i18n.getMessage("options_customFilters_textbox_placeholder");
+    filterTextbox.setAttribute("placeholder", placeholderValue);
+    function addCustomFilters()
+    {
+      var filterText = filterTextbox.value;
+      if (!filterText)
+        return;
+
+      ext.backgroundPage.sendMessage(
+      {
+        type: "filters.parse",
+        text: filterText
+      });
+      filterTextbox.value = "";
+    }
+    E("custom-filters-add").addEventListener("submit", function(e)
+    {
+      e.preventDefault();
+      addCustomFilters();
+    }, false);
+    var customFilterEditButtons = document.querySelectorAll("#custom-filters-edit-wrapper button");
+    E("custom-filters-edit-wrapper").addEventListener("click", function(e)
+    {
+      var target = null;
+      if (e.target.localName == "button")
+        target = e.target;
+      else if (e.target.parentElement.localName == "button")
+        target = e.target.parentElement;
+      else
+        return;
+
+      var id = target.id;
+      E("custom-filters").classList.toggle("mode-edit");
+      if (id == "custom-filters-show-edit")
+        editCustomFilters();
+      else if (id == "custom-filters-raw-save")
+      {
+        ext.backgroundPage.sendMessage(
+        {
+          type: "filters.importRaw",
+          text: E("custom-filters-raw").value
+        });
+      }
+    }, false);
   }
 
   function openDialog(name)
   {
     document.body.dataset.dialog = name;
   }
 
   function populateLists()
   {
     subscriptionsMap = Object.create(null);
@@ skipping 59 matching lines @@
         type: "filters.add",
         text: "@@||" + domain.value.toLowerCase() + "^$document"
       });
     }
 
     domain.value = "";
   }
 
   function editCustomFilters()
   {
-    //TODO: NYI
+    var customFilterItems = collections.customFilters.items;
+    var filterTexts = [];
+    for (var i = 0; i < customFilterItems.length; i++)
+      filterTexts.push(customFilterItems[i].text);
+    E("custom-filters-raw").value = filterTexts.join("\n");
   }
 
   function getAcceptableAdsURL(callback)
   {
     ext.backgroundPage.sendMessage(
     {
       type: "prefs.get",
       key: "subscriptions_exceptionsurl"
     },
     function(value)
@@ skipping 20 matching lines @@
       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 removeFilter(filter)
-  {
-    ext.backgroundPage.sendMessage(
-    {
-      type: "filters.remove",
-      text: filter
-    });
-  }
-
   function onFilterMessage(action, filter)
   {
     switch (action)
     {
       case "added":
         updateFilter(filter);
         updateShareLink();
         break;
       case "loaded":
         populateLists();
         break;
       case "removed":
         var knownFilter = filtersMap[filter.text];
         collections.whitelist.removeItem(knownFilter);
+        collections.customFilters.removeItem(knownFilter);
         delete filtersMap[filter.text];
         updateShareLink();
         break;
     }
   }
 
   function onSubscriptionMessage(action, subscription)
   {
     switch (action)
     {
@@ skipping 69 matching lines @@
       link: link
     }, callback);
   }
 
   ext.onMessage.addListener(function(message)
   {
     switch (message.type)
     {
       case "app.listen":
         if (message.action == "addSubscription")
-          showAddSubscriptionDialog(message.args[0]);
+        {
+          E("blockingList-textbox").value = message.args[0].url;
+          openDialog("customlist");
+        }
+        else if (message.action == "error")
+        {
+          var error = message.args[0];
+          //TODO handle error message

[Thomas Greiner, 2015/07/13 15:54:23]

We're not going to have a dedicated UI element for showing error messages so all
you need to do now is using `alert()` to output the error(s) like the current
options page does it:

alert(message.args);

+        }
         break;
       case "filters.listen":
         onFilterMessage(message.action, message.args[0]);
         break;
       case "subscriptions.listen":
         onSubscriptionMessage(message.action, message.args[0]);
         break;
     }
   });
 
   ext.backgroundPage.sendMessage(
   {
     type: "app.listen",
     filter: ["addSubscription"]

[Thomas Greiner, 2015/07/13 15:54:23]

The "error" action also needs to be added here to declare that it wants to
receive those messages.

[saroyanm, 2015/07/14 10:20:59]

I wander, shouldn't it only fire after it's registered here ?

[Thomas Greiner, 2015/07/14 10:58:52]

Exactly, that's why I asked you to make the change in messageResponder.js so
that the background page only dispatches messages to those endpoints which
registered a listener for a specific kind.

[saroyanm, 2015/07/14 11:19:25]

I think this question was remaining before We figured out what are filters
variable used for :)
Thanks for pointing wander why I had this comment here. 

   });
   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);
 })();