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favicon-helpers.js

favicon-helpers.js 3.7 KB
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  1. /* This Source Code Form is subject to the terms of the Mozilla Public
    2. 

  2.  * License, v. 2.0. If a copy of the MPL was not distributed with this
    3. 

  3.  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
    4. 

  4. 

  5. const { Cc, Ci, Cu } = require('chrome');
    6. 

  6. const { Loader } = require('sdk/test/loader');
    7. 

  7. const loader = Loader(module);
    8. 

  8. const file = require('sdk/io/file');
    9. 

  9. const httpd = loader.require('sdk/test/httpd');
    10. 

  10. const { pathFor } = require('sdk/system');
    11. 

  11. const { startServerAsync } = httpd;
    12. 

  12. const basePath = pathFor('ProfD');
    13. 

  13. const { atob } = Cu.import("resource://gre/modules/Services.jsm", {});
    14. 

  14. const historyService = Cc["@mozilla.org/browser/nav-history-service;1"]
    15. 

  15.                        .getService(Ci.nsINavHistoryService);
    16. 

  16. const { events } = require('sdk/places/events');
    17. 

  17. 

  18. function onFaviconChange (url, callback) {
    19. 

  19.   function handler ({data, type}) {
    20. 

  20.     if (type !== 'history-page-changed' ||
    21. 

  21.         data.url !== url ||
    22. 

  22.         data.property !== Ci.nsINavHistoryObserver.ATTRIBUTE_FAVICON)
    23. 

  23.       return;
    24. 

  24.     events.off('data', handler);
    25. 

  25.     callback(data.value);
    26. 

  26.   }
    27. 

  27.   events.on('data', handler);
    28. 

  28. }
    29. 

  29. exports.onFaviconChange = onFaviconChange;
    30. 

  30. 

  31. /*
    32. 

  32.  * Takes page content, a page path, and favicon binary data
    33. 

  33.  */
    34. 

  34. function serve ({name, favicon, port, host}) {
    35. 

  35.   let faviconTag = '<link rel="icon" type="image/x-icon" href="/'+ name +'.ico"/>';
    36. 

  36.   let content = '<html><head>' + faviconTag + '<title>'+name+'</title></head><body></body></html>';
    37. 

  37.   let srv = startServerAsync(port, basePath);
    38. 

  38.   let pagePath = file.join(basePath, name + '.html');
    39. 

  39.   let iconPath = file.join(basePath, name + '.ico');
    40. 

  40.   let pageStream = file.open(pagePath, 'w');
    41. 

  41.   let iconStream = file.open(iconPath, 'wb');
    42. 

  42.   iconStream.write(favicon);
    43. 

  43.   iconStream.close();
    44. 

  44.   pageStream.write(content);
    45. 

  45.   pageStream.close();
    46. 

  46.   return srv;
    47. 

  47. }
    48. 

  48. exports.serve = serve;
    49. 

  49. 

  50. let binFavicon = exports.binFavicon = atob('AAABAAEAEBAAAAAAAABoBQAAFgAAACgAAAAQAAAAIAAAAAEACAAAAAAAAAEAAAAAAAAAAAAAAAEAAAABAAAAAAAAAACAAACAAAAAgIAAgAAAAIAAgACAgAAAwMDAAMDcwADwyqYABAQEAAgICAAMDAwAERERABYWFgAcHBwAIiIiACkpKQBVVVUATU1NAEJCQgA5OTkAgHz/AFBQ/wCTANYA/+zMAMbW7wDW5+cAkKmtAAAAMwAAAGYAAACZAAAAzAAAMwAAADMzAAAzZgAAM5kAADPMAAAz/wAAZgAAAGYzAABmZgAAZpkAAGbMAABm/wAAmQAAAJkzAACZZgAAmZkAAJnMAACZ/wAAzAAAAMwzAADMZgAAzJkAAMzMAADM/wAA/2YAAP+ZAAD/zAAzAAAAMwAzADMAZgAzAJkAMwDMADMA/wAzMwAAMzMzADMzZgAzM5kAMzPMADMz/wAzZgAAM2YzADNmZgAzZpkAM2bMADNm/wAzmQAAM5kzADOZZgAzmZkAM5nMADOZ/wAzzAAAM8wzADPMZgAzzJkAM8zMADPM/wAz/zMAM/9mADP/mQAz/8wAM///AGYAAABmADMAZgBmAGYAmQBmAMwAZgD/AGYzAABmMzMAZjNmAGYzmQBmM8wAZjP/AGZmAABmZjMAZmZmAGZmmQBmZswAZpkAAGaZMwBmmWYAZpmZAGaZzABmmf8AZswAAGbMMwBmzJkAZszMAGbM/wBm/wAAZv8zAGb/mQBm/8wAzAD/AP8AzACZmQAAmTOZAJkAmQCZAMwAmQAAAJkzMwCZAGYAmTPMAJkA/wCZZgAAmWYzAJkzZgCZZpkAmWbMAJkz/wCZmTMAmZlmAJmZmQCZmcwAmZn/AJnMAACZzDMAZsxmAJnMmQCZzMwAmcz/AJn/AACZ/zMAmcxmAJn/mQCZ/8wAmf//AMwAAACZADMAzABmAMwAmQDMAMwAmTMAAMwzMwDMM2YAzDOZAMwzzADMM/8AzGYAAMxmMwCZZmYAzGaZAMxmzACZZv8AzJkAAMyZMwDMmWYAzJmZAMyZzADMmf8AzMwAAMzMMwDMzGYAzMyZAMzMzADMzP8AzP8AAMz/MwCZ/2YAzP+ZAMz/zADM//8AzAAzAP8AZgD/AJkAzDMAAP8zMwD/M2YA/zOZAP8zzAD/M/8A/2YAAP9mMwDMZmYA/2aZAP9mzADMZv8A/5kAAP+ZMwD/mWYA/5mZAP+ZzAD/mf8A/8wAAP/MMwD/zGYA/8yZAP/MzAD/zP8A//8zAMz/ZgD//5kA///MAGZm/wBm/2YAZv//AP9mZgD/Zv8A//9mACEApQBfX18Ad3d3AIaGhgCWlpYAy8vLALKysgDX19cA3d3dAOPj4wDq6uoA8fHxAPj4+ADw+/8ApKCgAICAgAAAAP8AAP8AAAD//wD/AAAA/wD/AP//AAD///8ACgoKCgoKCgoKCgoKCgoKCgoKCgoHAQEMbQoKCgoKCgoAAAdDH/kgHRIAAAAAAAAAAADrHfn5ASQQAAAAAAAAAArsBx0B+fkgHesAAAAAAAD/Cgwf+fn5IA4dEus/IvcACgcMAfkg+QEB+SABHushbf8QHR/5HQH5+QEdHetEHx4K7B/5+QH5+fkdDBL5+SBE/wwdJfkf+fn5AR8g+fkfEArsCh/5+QEeJR/5+SAeBwAACgoe+SAlHwFAEhAfAAAAAPcKHh8eASYBHhAMAAAAAAAA9EMdIB8gHh0dBwAAAAAAAAAA7BAdQ+wHAAAAAAAAAAAAAAAAAAAAAAAAAAAAAP//AADwfwAAwH8AAMB/AAAAPwAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAQAAgAcAAIAPAADADwAA8D8AAP//AAA');
    51.