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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/uMatrix
  15. */
  16. /******************************************************************************/
  17. (function() {
  18. 'use strict';
  19. /******************************************************************************/
  20. let {contentObserver} = Components.utils.import(
  21. Components.stack.filename.replace('Script', 'Module'),
  22. null
  23. );
  24. let injectContentScripts = function(win) {
  25. if ( !win || !win.document ) {
  26. return;
  27. }
  28. contentObserver.observe(win.document);
  29. if ( win.frames && win.frames.length ) {
  30. let i = win.frames.length;
  31. while ( i-- ) {
  32. injectContentScripts(win.frames[i]);
  33. }
  34. }
  35. };
  36. let onLoadCompleted = function() {
  37. removeMessageListener('umatrix-load-completed', onLoadCompleted);
  38. injectContentScripts(content);
  39. };
  40. addMessageListener('umatrix-load-completed', onLoadCompleted);
  41. /******************************************************************************/
  42. })();
  43. /******************************************************************************/