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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. /******************************************************************************/
  17. var locationChangeListener; // Keep alive while frameScript is alive
  18. (function() {
  19. 'use strict';
  20. /******************************************************************************/
  21. let {contentObserver, LocationChangeListener} = Components.utils.import(
  22. Components.stack.filename.replace('Script', 'Module'),
  23. null
  24. );
  25. let injectContentScripts = function(win) {
  26. if ( !win || !win.document ) {
  27. return;
  28. }
  29. contentObserver.observe(win.document);
  30. if ( win.frames && win.frames.length ) {
  31. let i = win.frames.length;
  32. while ( i-- ) {
  33. injectContentScripts(win.frames[i]);
  34. }
  35. }
  36. };
  37. let onLoadCompleted = function() {
  38. removeMessageListener('ublock-load-completed', onLoadCompleted);
  39. injectContentScripts(content);
  40. };
  41. addMessageListener('ublock-load-completed', onLoadCompleted);
  42. locationChangeListener = new LocationChangeListener(docShell);
  43. /******************************************************************************/
  44. })();
  45. /******************************************************************************/