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  1. /*******************************************************************************
  2. µBlock - a browser extension to block requests.
  3. Copyright (C) 2014 The µBlock authors
  4. This program is free software: you can redistribute it and/or modify
  5. it under the terms of the GNU General Public License as published by
  6. the Free Software Foundation, either version 3 of the License, or
  7. (at your option) any later version.
  8. This program is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11. GNU General Public License for more details.
  12. You should have received a copy of the GNU General Public License
  13. along with this program. If not, see {http://www.gnu.org/licenses/}.
  14. Home: https://github.com/gorhill/uBlock
  15. */
  16. /* global Services, APP_STARTUP, APP_SHUTDOWN */
  17. /* exported startup, shutdown, install, uninstall */
  18. 'use strict';
  19. /******************************************************************************/
  20. var bgProcess;
  21. Components.utils['import']('resource://gre/modules/Services.jsm');
  22. /******************************************************************************/
  23. function startup(data, reason) {
  24. bgProcess = function(ev) {
  25. if (ev) {
  26. this.removeEventListener(ev.type, bgProcess);
  27. }
  28. bgProcess = Services.appShell.hiddenDOMWindow.document;
  29. bgProcess = bgProcess.documentElement.appendChild(
  30. bgProcess.createElementNS('http://www.w3.org/1999/xhtml', 'iframe')
  31. );
  32. bgProcess.setAttribute('src', 'chrome://ublock/content/background.html');
  33. };
  34. if (reason === APP_STARTUP) {
  35. Services.ww.registerNotification({
  36. observe: function(win) {
  37. Services.ww.unregisterNotification(this);
  38. win.addEventListener('DOMContentLoaded', bgProcess);
  39. }
  40. });
  41. }
  42. else {
  43. bgProcess();
  44. }
  45. }
  46. /******************************************************************************/
  47. function shutdown(data, reason) {
  48. if (reason !== APP_SHUTDOWN) {
  49. bgProcess.parentNode.removeChild(bgProcess);
  50. }
  51. }
  52. /******************************************************************************/
  53. function install() {
  54. // https://bugzil.la/719376
  55. Services.strings.flushBundles();
  56. }
  57. /******************************************************************************/
  58. function uninstall() {}
  59. /******************************************************************************/