pref-history.js - mozsearch

Enable keyboard shortcuts

/* This Source Code Form is subject to the terms of the Mozilla Public

* License, v. 2.0. If a copy of the MPL was not distributed with this

* file, You can obtain one at http://mozilla.org/MPL/2.0/. */

function Startup()

  var urlbarHistButton = document.getElementById("ClearUrlBarHistoryButton");

  var lastUrlPref = document.getElementById("general.open_location.last_url");

  var locBarPref = document.getElementById("browser.urlbar.historyEnabled");

  var isBtnDisabled = lastUrlPref.locked || !locBarPref.value;

  try {

    if (!isBtnDisabled && !lastUrlPref.hasUserValue) {

      var file = GetUrlbarHistoryFile();

      if (!file.exists())

        isBtnDisabled = true;

      else {

        var connection = Services.storage.openDatabase(file);

        isBtnDisabled = !connection.tableExists("urlbarhistory");

        connection.close();

    urlbarHistButton.disabled = isBtnDisabled;

  catch(ex) {

  var globalHistButton = document.getElementById("browserClearHistory");

  var globalHistory = Cc["@mozilla.org/browser/nav-history-service;1"]

                        .getService(Ci.nsINavHistoryService);

  if (!globalHistory.hasHistoryEntries)

    globalHistButton.disabled = true;

function prefClearGlobalHistory()

  const {PlacesUtils} = ChromeUtils.import("resource://gre/modules/PlacesUtils.jsm");

  PlacesUtils.history.clear();

function prefClearUrlbarHistory(aButton)

  document.getElementById("general.open_location.last_url").valueFromPreferences = "";

  var file = GetUrlbarHistoryFile();

  if (file.exists())

    file.remove(false);

  aButton.disabled = true;

function prefUrlBarHistoryToggle(aChecked)

  var file = GetUrlbarHistoryFile();

  if (file.exists())

    document.getElementById("ClearUrlBarHistoryButton").disabled = !aChecked;