Testing new options page with the extension

options.js

-/*
- * This file is part of Adblock Plus <https://adblockplus.org/>,
- * Copyright (C) 2006-present 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/>.
- */
-
-/* global $, i18n, i18nTimeDateStrings */
-
-"use strict";
-
-/**
- * Creates a wrapping function used to conveniently send a type of message.
- *
- * @param {Object} baseMessage The part of the message that's always sent
- * @param {...string} paramKeys Any message keys that have dynamic values. The
- *                              returned function will take the corresponding
- *                              values as arguments.
- * @return {function} The generated messaging function, optionally
- *                    taking any values as specified by the paramKeys
- *                    and finally an optional callback.  (Although the
- *                    value arguments are optional their index must be
- *                    maintained. E.g. if you omit the first value you
- *                    must omit the second too.)
- */
-function wrapper(baseMessage, ...paramKeys)
-{
-  return function(...paramValues /* , callback */)
-  {
-    let message = Object.assign(Object.create(null), baseMessage);
-    let callback;
-
-    if (paramValues.length > 0)
-    {
-      let lastArg = paramValues[paramValues.length - 1];
-      if (typeof lastArg == "function")
-        callback = lastArg;
-
-      for (let i = 0; i < paramValues.length - (callback ? 1 : 0); i++)
-        message[paramKeys[i]] = paramValues[i];
-    }
-
-    ext.backgroundPage.sendMessage(message, callback);
-  };
-}
-
-const getDocLink = wrapper({type: "app.get", what: "doclink"}, "link");
-const getInfo = wrapper({type: "app.get"}, "what");
-const getPref = wrapper({type: "prefs.get"}, "key");
-const togglePref = wrapper({type: "prefs.toggle"}, "key");
-const getSubscriptions = wrapper({type: "subscriptions.get"},
-                                 "downloadable", "special");
-const removeSubscription = wrapper({type: "subscriptions.remove"}, "url");
-const addSubscription = wrapper({type: "subscriptions.add"},
-                                "url", "title", "homepage");
-const toggleSubscription = wrapper({type: "subscriptions.toggle"},
-                                   "url", "keepInstalled");
-const updateSubscription = wrapper({type: "subscriptions.update"}, "url");
-const importRawFilters = wrapper({type: "filters.importRaw"},
-                                 "text", "removeExisting");
-const addFilter = wrapper({type: "filters.add"}, "text");
-const removeFilter = wrapper({type: "filters.remove"}, "text");
-const quoteCSS = wrapper({type: "composer.quoteCSS"}, "CSS");
-
-const whitelistedDomainRegexp = /^@@\|\|([^/:]+)\^\$document$/;
-const statusMessages = new Map([
-  ["synchronize_invalid_url",
-   "filters_subscription_lastDownload_invalidURL"],
-  ["synchronize_connection_error",
-   "filters_subscription_lastDownload_connectionError"],
-  ["synchronize_invalid_data",
-   "filters_subscription_lastDownload_invalidData"],
-  ["synchronize_checksum_mismatch",
-   "filters_subscription_lastDownload_checksumMismatch"]
-]);
-
-let delayedSubscriptionSelection = null;
-let acceptableAdsUrl;
-
-// Loads options from localStorage and sets UI elements accordingly
-function loadOptions()
-{
-  // Set page title to i18n version of "Adblock Plus Options"
-  document.title = i18n.getMessage("options");
-
-  // Set links
-  getPref("subscriptions_exceptionsurl", url =>
-  {
-    acceptableAdsUrl = url;
-    $("#acceptableAdsLink").attr("href", acceptableAdsUrl);
-  });
-  getDocLink("acceptable_ads", url =>
-  {
-    $("#acceptableAdsDocs").attr("href", url);
-  });
-  getDocLink("filterdoc", url =>
-  {
-    setLinks("filter-must-follow-syntax", url);
-  });
-  getInfo("application", application =>
-  {
-    getInfo("platform", platform =>
-    {
-      if (platform == "chromium" && application != "opera")
-        application = "chrome";
-
-      getDocLink(application + "_support", url =>
-      {
-        setLinks("found-a-bug", url);
-      });
-
-      if (platform == "gecko")
-        $("#firefox-warning").removeAttr("hidden");
-    });
-  });
-
-  // Add event listeners
-  $("#updateFilterLists").click(updateFilterLists);
-  $("#startSubscriptionSelection").click(startSubscriptionSelection);
-  $("#subscriptionSelector").change(updateSubscriptionSelection);
-  $("#addSubscription").click(addSubscriptionClicked);
-  $("#acceptableAds").click(toggleAcceptableAds);
-  $("#whitelistForm").submit(addWhitelistDomain);
-  $("#removeWhitelist").click(removeSelectedExcludedDomain);
-  $("#customFilterForm").submit(addTypedFilter);
-  $("#removeCustomFilter").click(removeSelectedFilters);
-  $("#rawFiltersButton").click(toggleFiltersInRawFormat);
-  $("#importRawFilters").click(importRawFiltersText);
-
-  // Display jQuery UI elements
-  $("#tabs").tabs();
-  $("button:not(.subscriptionRemoveButton)").button();
-  $(".refreshButton").button("option", "icons", {primary: "ui-icon-refresh"});
-  $(".addButton").button("option", "icons", {primary: "ui-icon-plus"});
-  $(".removeButton").button("option", "icons", {primary: "ui-icon-minus"});
-
-  // Popuplate option checkboxes
-  initCheckbox("shouldShowBlockElementMenu");
-  initCheckbox("show_devtools_panel");
-  initCheckbox("shouldShowNotifications", "notifications_ignoredcategories");
-
-  getInfo("features", features =>
-  {
-    if (!features.devToolsPanel)
-      document.getElementById("showDevtoolsPanelContainer").hidden = true;
-  });
-  getPref("notifications_showui", showNotificationsUI =>
-  {
-    if (!showNotificationsUI)
-      document.getElementById("shouldShowNotificationsContainer").hidden = true;
-  });
-
-  // Register listeners in the background message responder
-  ext.backgroundPage.sendMessage({
-    type: "app.listen",
-    filter: ["addSubscription", "focusSection"]
-  });
-  ext.backgroundPage.sendMessage({
-    type: "filters.listen",
-    filter: ["added", "loaded", "removed"]
-  });
-  ext.backgroundPage.sendMessage({
-    type: "prefs.listen",
-    filter: ["notifications_ignoredcategories", "notifications_showui",
-             "show_devtools_panel", "shouldShowBlockElementMenu"]
-  });
-  ext.backgroundPage.sendMessage({
-    type: "subscriptions.listen",
-    filter: ["added", "disabled", "homepage", "lastDownload", "removed",
-             "title", "downloadStatus", "downloading"]
-  });
-
-  // Load recommended subscriptions
-  loadRecommendations();
-
-  // Show user's filters
-  reloadFilters();
-}
-$(loadOptions);
-
-function convertSpecialSubscription(subscription)
-{
-  for (let filter of subscription.filters)
-  {
-    if (whitelistedDomainRegexp.test(filter.text))
-      appendToListBox("excludedDomainsBox", RegExp.$1);
-    else
-      appendToListBox("userFiltersBox", filter.text);
-  }
-}
-
-// Reloads the displayed subscriptions and filters
-function reloadFilters()
-{
-  // Load user filter URLs
-  let container = document.getElementById("filterLists");
-  while (container.lastChild)
-    container.removeChild(container.lastChild);
-
-  getSubscriptions(true, false, subscriptions =>
-  {
-    for (let subscription of subscriptions)
-    {
-      if (subscription.url == acceptableAdsUrl)
-        $("#acceptableAds").prop("checked", !subscription.disabled);
-      else
-        addSubscriptionEntry(subscription);
-    }
-  });
-
-  // User-entered filters
-  getSubscriptions(false, true, subscriptions =>
-  {
-    document.getElementById("userFiltersBox").innerHTML = "";
-    document.getElementById("excludedDomainsBox").innerHTML = "";
-
-    for (let subscription of subscriptions)
-      convertSpecialSubscription(subscription);
-  });
-}
-
-function initCheckbox(id, key)
-{
-  key = key || id;
-  let checkbox = document.getElementById(id);
-
-  getPref(key, value =>
-  {
-    onPrefMessage(key, value);
-  });
-
-  checkbox.addEventListener("click", () =>
-  {
-    togglePref(key);
-  }, false);
-}
-
-function loadRecommendations()
-{
-  fetch("subscriptions.xml")
-    .then(response =>
-    {
-      return response.text();
-    })
-    .then(text =>
-    {
-      let selectedIndex = 0;
-      let selectedPrefix = null;
-      let matchCount = 0;
-
-      let list = document.getElementById("subscriptionSelector");
-      let doc = new DOMParser().parseFromString(text, "application/xml");
-      let elements = doc.documentElement.getElementsByTagName("subscription");
-
-      for (let i = 0; i < elements.length; i++)
-      {
-        let element = elements[i];
-        let option = new Option();
-        option.text = element.getAttribute("title") + " (" +
-                      element.getAttribute("specialization") + ")";
-        option._data = {
-          title: element.getAttribute("title"),
-          url: element.getAttribute("url"),
-          homepage: element.getAttribute("homepage")
-        };
-
-        let prefix = element.getAttribute("prefixes");
-        if (prefix)
-        {
-          prefix = prefix.replace(/\W/g, "_");
-          option.style.fontWeight = "bold";
-          option.style.backgroundColor = "#E0FFE0";
-          option.style.color = "#000000";
-          if (!selectedPrefix || selectedPrefix.length < prefix.length)
-          {
-            selectedIndex = i;
-            selectedPrefix = prefix;
-            matchCount = 1;
-          }
-          else if (selectedPrefix && selectedPrefix.length == prefix.length)
-          {
-            matchCount++;
-
-            // If multiple items have a matching prefix of the same length:
-            // Select one of the items randomly, probability should be the same
-            // for all items. So we replace the previous match here with
-            // probability 1/N (N being the number of matches).
-            if (Math.random() * matchCount < 1)
-            {
-              selectedIndex = i;
-              selectedPrefix = prefix;
-            }
-          }
-        }
-        list.appendChild(option);
-      }
-
-      let option = new Option();
-      let label = i18n.getMessage("filters_addSubscriptionOther_label");
-      option.text = label + "\u2026";
-      option._data = null;
-      list.appendChild(option);
-
-      list.selectedIndex = selectedIndex;
-
-      if (delayedSubscriptionSelection)
-        startSubscriptionSelection(...delayedSubscriptionSelection);
-    });
-}
-
-function startSubscriptionSelection(title, url)
-{
-  let list = document.getElementById("subscriptionSelector");
-  if (list.length == 0)
-  {
-    delayedSubscriptionSelection = [title, url];
-    return;
-  }
-
-  $("#tabs").tabs("option", "active", 0);
-  $("#addSubscriptionContainer").show();
-  $("#addSubscriptionButton").hide();
-  $("#subscriptionSelector").focus();
-  if (typeof url != "undefined")
-  {
-    list.selectedIndex = list.length - 1;
-    document.getElementById("customSubscriptionTitle").value = title;
-    document.getElementById("customSubscriptionLocation").value = url;
-  }
-  updateSubscriptionSelection();
-  document.getElementById("addSubscriptionContainer").scrollIntoView(true);
-}
-
-function updateSubscriptionSelection()
-{
-  let list = document.getElementById("subscriptionSelector");
-  let data = list.options[list.selectedIndex]._data;
-  if (data)
-    $("#customSubscriptionContainer").hide();
-  else
-  {
-    $("#customSubscriptionContainer").show();
-    $("#customSubscriptionTitle").focus();
-  }
-}
-
-function addSubscriptionClicked()
-{
-  let list = document.getElementById("subscriptionSelector");
-  let data = list.options[list.selectedIndex]._data;
-  if (data)
-    addSubscription(data.url, data.title, data.homepage);
-  else
-  {
-    let url = document.getElementById("customSubscriptionLocation")
-                      .value.trim();
-    if (!/^https?:/i.test(url))
-    {
-      alert(i18n.getMessage("global_subscription_invalid_location"));
-      $("#customSubscriptionLocation").focus();
-      return;
-    }
-
-    let title = document.getElementById("customSubscriptionTitle").value.trim();
-    if (!title)
-      title = url;
-
-    addSubscription(url, title, null);
-  }
-
-  $("#addSubscriptionContainer").hide();
-  $("#customSubscriptionContainer").hide();
-  $("#addSubscriptionButton").show();
-}
-
-function toggleAcceptableAds()
-{
-  toggleSubscription(acceptableAdsUrl, true);
-}
-
-function findSubscriptionElement(subscription)
-{
-  for (let child of document.getElementById("filterLists").childNodes)
-  {
-    if (child._subscription.url == subscription.url)
-      return child;
-  }
-  return null;
-}
-
-function updateSubscriptionInfo(element, subscription)
-{
-  if (subscription)
-    element._subscription = subscription;
-  else
-    subscription = element._subscription;
-
-  let title = element.getElementsByClassName("subscriptionTitle")[0];
-  title.textContent = subscription.title;
-  title.setAttribute("title", subscription.url);
-  if (subscription.homepage)
-    title.href = subscription.homepage;
-  else
-    title.href = subscription.url;
-
-  let enabled = element.getElementsByClassName("subscriptionEnabled")[0];
-  enabled.checked = !subscription.disabled;
-
-  let lastUpdate = element.getElementsByClassName("subscriptionUpdate")[0];
-  lastUpdate.classList.remove("error");
-
-  let {downloadStatus} = subscription;
-  if (subscription.isDownloading)
-  {
-    lastUpdate.textContent = i18n.getMessage(
-      "filters_subscription_lastDownload_inProgress"
-    );
-  }
-  else if (downloadStatus && downloadStatus != "synchronize_ok")
-  {
-    if (statusMessages.has(downloadStatus))
-    {
-      lastUpdate.textContent = i18n.getMessage(
-        statusMessages.get(downloadStatus)
-      );
-    }
-    else
-      lastUpdate.textContent = downloadStatus;
-    lastUpdate.classList.add("error");
-  }
-  else if (subscription.lastDownload > 0)
-  {
-    let timeDate = i18nTimeDateStrings(subscription.lastDownload * 1000);
-    let messageID = (timeDate[1] ? "last_updated_at" : "last_updated_at_today");
-    lastUpdate.textContent = i18n.getMessage(messageID, timeDate);
-  }
-}
-
-function onSubscriptionMessage(action, subscription)
-{
-  let element = findSubscriptionElement(subscription);
-
-  switch (action)
-  {
-    case "disabled":
-    case "downloading":
-    case "downloadStatus":
-    case "homepage":
-    case "lastDownload":
-    case "title":
-      if (element)
-        updateSubscriptionInfo(element, subscription);
-      break;
-    case "added":
-      if (subscription.url.indexOf("~user") == 0)
-        convertSpecialSubscription(subscription);
-      else if (subscription.url == acceptableAdsUrl)
-        $("#acceptableAds").prop("checked", true);
-      else if (!element)
-        addSubscriptionEntry(subscription);
-      break;
-    case "removed":
-      if (subscription.url == acceptableAdsUrl)
-        $("#acceptableAds").prop("checked", false);
-      else if (element)
-        element.parentNode.removeChild(element);
-      break;
-  }
-}
-
-function onPrefMessage(key, value)
-{
-  switch (key)
-  {
-    case "notifications_showui":
-      document.getElementById(
-        "shouldShowNotificationsContainer"
-      ).hidden = !value;
-      return;
-    case "notifications_ignoredcategories":
-      key = "shouldShowNotifications";
-      value = value.indexOf("*") == -1;
-      break;
-  }
-  let checkbox = document.getElementById(key);
-  if (checkbox)
-    checkbox.checked = value;
-}
-
-function onFilterMessage(action, filter)
-{
-  switch (action)
-  {
-    case "loaded":
-      reloadFilters();
-      break;
-    case "added":
-      if (whitelistedDomainRegexp.test(filter.text))
-        appendToListBox("excludedDomainsBox", RegExp.$1);
-      else
-        appendToListBox("userFiltersBox", filter.text);
-      break;
-    case "removed":
-      if (whitelistedDomainRegexp.test(filter.text))
-        removeFromListBox("excludedDomainsBox", RegExp.$1);
-      else
-        removeFromListBox("userFiltersBox", filter.text);
-      break;
-  }
-}
-
-// Add a filter string to the list box.
-function appendToListBox(boxId, text)
-{
-  // Note: document.createElement("option") is unreliable in Opera
-  let elt = new Option();
-  elt.text = text;
-  elt.value = text;
-  document.getElementById(boxId).appendChild(elt);
-}
-
-// Remove a filter string from a list box.
-function removeFromListBox(boxId, text)
-{
-  let list = document.getElementById(boxId);
-  // Edge does not support CSS.escape yet:
-  // https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/101410/
-  quoteCSS(text, escapedCSS =>
-  {
-    let selector = "option[value=" + escapedCSS + "]";
-    for (let option of list.querySelectorAll(selector))
-      list.removeChild(option);
-  });
-}
-
-function addWhitelistDomain(event)
-{
-  event.preventDefault();
-
-  let domain = document.getElementById(
-    "newWhitelistDomain"
-  ).value.replace(/\s/g, "");
-  document.getElementById("newWhitelistDomain").value = "";
-  if (!domain)
-    return;
-
-  let filterText = "@@||" + domain + "^$document";
-  addFilter(filterText);
-}
-
-// Adds filter text that user typed to the selection box
-function addTypedFilter(event)
-{
-  event.preventDefault();
-
-  let element = document.getElementById("newFilter");
-  addFilter(element.value, errors =>
-  {
-    if (errors.length > 0)
-      alert(errors.join("\n"));
-    else
-      element.value = "";
-  });
-}
-
-// Removes currently selected whitelisted domains
-function removeSelectedExcludedDomain(event)
-{
-  event.preventDefault();
-  let remove = [];
-  for (let option of document.getElementById("excludedDomainsBox").options)
-  {
-    if (option.selected)
-      remove.push(option.value);
-  }
-  if (!remove.length)
-    return;
-
-  for (let domain of remove)
-    removeFilter("@@||" + domain + "^$document");
-}
-
-// Removes all currently selected filters
-function removeSelectedFilters(event)
-{
-  event.preventDefault();
-  let options = document.querySelectorAll("#userFiltersBox > option:checked");
-  for (let option of options)
-    removeFilter(option.value);
-}
-
-// Shows raw filters box and fills it with the current user filters
-function toggleFiltersInRawFormat(event)
-{
-  event.preventDefault();
-
-  let rawFilters = document.getElementById("rawFilters");
-  let filters = [];
-
-  if (rawFilters.style.display != "table-row")
-  {
-    rawFilters.style.display = "table-row";
-    for (let option of document.getElementById("userFiltersBox").options)
-      filters.push(option.value);
-  }
-  else
-  {
-    rawFilters.style.display = "none";
-  }
-
-  document.getElementById("rawFiltersText").value = filters.join("\n");
-}
-
-// Imports filters in the raw text box
-function importRawFiltersText()
-{
-  let text = document.getElementById("rawFiltersText").value;
-
-  importRawFilters(text, true, errors =>
-  {
-    if (errors.length > 0)
-      alert(errors.join("\n"));
-    else
-      $("#rawFilters").hide();
-  });
-}
-
-// Called when user explicitly requests filter list updates
-function updateFilterLists()
-{
-  // Without the URL parameter this will update all subscriptions
-  updateSubscription();
-}
-
-// Adds a subscription entry to the UI.
-function addSubscriptionEntry(subscription)
-{
-  let template = document.getElementById("subscriptionTemplate");
-  let element = template.cloneNode(true);
-  element.removeAttribute("id");
-  element._subscription = subscription;
-
-  let removeButton = element.getElementsByClassName(
-    "subscriptionRemoveButton"
-  )[0];
-  removeButton.setAttribute("title", removeButton.textContent);
-  removeButton.textContent = "\xD7";
-  removeButton.addEventListener("click", () =>
-  {
-    if (!confirm(i18n.getMessage("global_remove_subscription_warning")))
-      return;
-
-    removeSubscription(subscription.url);
-  }, false);
-
-  getPref("additional_subscriptions", additionalSubscriptions =>
-  {
-    if (additionalSubscriptions.includes(subscription.url))
-      removeButton.style.visibility = "hidden";
-  });
-
-  let enabled = element.getElementsByClassName("subscriptionEnabled")[0];
-  enabled.addEventListener("click", () =>
-  {
-    subscription.disabled = !subscription.disabled;
-    toggleSubscription(subscription.url, true);
-  }, false);
-
-  updateSubscriptionInfo(element);
-
-  document.getElementById("filterLists").appendChild(element);
-}
-
-function setLinks(id, ...args)
-{
-  let element = document.getElementById(id);
-  if (!element)
-    return;
-
-  let links = element.getElementsByTagName("a");
-  for (let i = 0; i < links.length; i++)
-  {
-    if (typeof args[i] == "string")
-    {
-      links[i].href = args[i];
-      links[i].setAttribute("target", "_blank");
-    }
-    else if (typeof args[i] == "function")
-    {
-      links[i].href = "javascript:void(0);";
-      links[i].addEventListener("click", args[i], false);
-    }
-  }
-}
-
-ext.onMessage.addListener(message =>
-{
-  switch (message.type)
-  {
-    case "app.respond":
-      switch (message.action)
-      {
-        case "addSubscription":
-          let subscription = message.args[0];
-          startSubscriptionSelection(subscription.title, subscription.url);
-          break;
-        case "focusSection":
-          for (let tab of document.getElementsByClassName("ui-tabs-panel"))
-          {
-            let found = tab.querySelector(
-              "[data-section='" + message.args[0] + "']"
-            );
-            if (!found)
-              continue;
-
-            let previous = document.getElementsByClassName("focused");
-            if (previous.length > 0)
-              previous[0].classList.remove("focused");
-
-            let index = $("[href='#" + tab.id + "']").parent().index();
-            $("#tabs").tabs("option", "active", index);
-            found.classList.add("focused");
-          }
-          break;
-      }
-      break;
-    case "filters.respond":
-      onFilterMessage(message.action, message.args[0]);
-      break;
-    case "prefs.respond":
-      onPrefMessage(message.action, message.args[0]);
-      break;
-    case "subscriptions.respond":
-      onSubscriptionMessage(message.action, message.args[0]);
-      break;
-  }
-});