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Google Chrome - Set New Tab

Set a specified URL as new tab page on Google Chrome.

  1. // ==UserScript==
  2. // @id              chrome-newtab@loucypher
  3. // @name            Google Chrome - Set New Tab
  4. // @namespace       https://github.com/LouCypher/userscripts
  5. // @description     Set a specified URL as new tab page on Google Chrome.
  6. // @version         2.1
  7. // @author          LouCypher
  8. // @license         MIT License
  9. // @contributionURL http://loucypher.github.io/userscripts/donate.html?Google+Chrome+-+Set+New+Tab
  10. // @homepageURL     https://greasyfork.org/scripts/217
  11. // @supportURL      https://greasyfork.org/scripts/217/feedback
  12. // @resource        CHANGELOG https://raw.github.com/LouCypher/userscripts/master/tampermonkey/set-new-tab/CHANGELOG.txt
  13. // @resource        LICENSE https://raw.github.com/LouCypher/userscripts/master/tampermonkey/set-new-tab/LICENSE.txt
  14. // @match           http://*/*
  15. // @match           https://*/*
  16. // @run-at          document-start
  17. // @grant           GM_getValue
  18. // @grant           GM_setValue
  19. // @grant           GM_registerMenuCommand
  20. // ==/UserScript==
  21.  
  22. const REGEXP = /^https?:\/\/www.google.[a-z.]+\/\_\/chrome\/newtab.*/;
  23. var isDefaultNewTab = REGEXP.test(top.location.href);
  24.  
  25. function setNewTabURL(aURL, aMsg) {
  26.   var message = "Enter URL as new tab.\n" +
  27.                 "Enter 'about:blank' to use a blank page.\n" +
  28.                 "Enter empty string to use browser default.";
  29.   if (aMsg)
  30.     message = aMsg + "\nor\n" + message;
  31.  
  32.   if (isDefaultNewTab)
  33.     aURL = "";
  34.  
  35.   var newTabURL = prompt(message, aURL);
  36.   if (newTabURL || newTabURL === "")
  37.     GM_setValue("newTabURL", newTabURL);
  38. }
  39.  
  40. if (isDefaultNewTab) {  // If default new tab
  41.   var newTabURL = GM_getValue("newTabURL", "");
  42.   if (newTabURL) {
  43.     stop(); // in the name of love
  44.     document.documentElement.innerHTML = "<head></head><body></body>";
  45.     location.replace(newTabURL);  // Redirect to a specified new tab
  46.   }
  47. }
  48.  
  49. GM_registerMenuCommand("New Tab: set a new location", function() {
  50.   setNewTabURL(GM_getValue("newTabURL", ""));
  51. });
  52.  
  53. if (!isDefaultNewTab) {
  54.   GM_registerMenuCommand("New Tab: use current page", function() {
  55.     setNewTabURL(top.location.href, "Press 'OK' to use current page");
  56.   });
  57. }