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Open links in current tab

Open links in current tab regardless of _target or site's preferences. Ctrl-click: background tab, Ctrl-Shift-click: foreground tab, Shift-click: new window, Alt-click: force open in current tab

当前为 2017-06-30 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name          Open links in current tab
  3. // @author        wOxxOm
  4. // @description   Open links in current tab regardless of _target or site's preferences. Ctrl-click: background tab, Ctrl-Shift-click: foreground tab, Shift-click: new window, Alt-click: force open in current tab
  5. // @namespace     http://target._blank.is.retarded
  6. // @version       2.2.7
  7. // @include       *
  8. // @run-at        document-start
  9. // @grant         GM_openInTab
  10. // ==/UserScript==
  11.  
  12. if (window == top) {
  13. 	window.addEventListener('message', function(e) {
  14. 		// some stupid sites choke on object data
  15. 		if (!/^\{/.test(e.data))
  16. 			return;
  17. 		var data = tryParse(e.data);
  18. 		if (data.name == GM_info.script.name)
  19. 			navigate(data.url);
  20. 	});
  21. }
  22.  
  23. var suppressing, clickedElement;
  24. window.addEventListener('mousedown', function(e) {
  25. 	clickedElement = e.target;
  26. }, true);
  27.  
  28. window.addEventListener('mouseup', function(e) {
  29. 	if (e.button > 1 || e.target != clickedElement)
  30. 		return;
  31. 	var link = pierceShadow(e);
  32. 	if (!link
  33. 	|| (link.getAttribute('href') || '').match(/^(javascript|#|$)/)
  34. 	|| !document.contains(link))
  35. 		return;
  36. 	var b = e.button, c = e.ctrlKey, a = e.altKey, s = e.shiftKey, m = e.metaKey;
  37. 	if (b == 1 || c && !a && !m)
  38. 		GM_openInTab(link.href, !s || b == 1);
  39. 	else if (window.chrome && b === 0 && s && !c && !a && !m)
  40. 		link.cloneNode().dispatchEvent(new MouseEvent('click', {shiftKey: true}));
  41. 	else if (!c && !s && !m && !a) {
  42. 		if (link.target == '_blank')
  43. 			link.target = '';
  44. 		blockWindowOpenAndMutations(link);
  45. 		return;
  46. 	}
  47. 	else
  48. 		return;
  49. 	suppressing = true;
  50. 	prevent(e);
  51. }, true);
  52.  
  53. window.addEventListener('click', prevent, true);
  54. window.addEventListener('auxclick', prevent, true);
  55.  
  56. function prevent(e) {
  57. 	if (!suppressing)
  58. 		return;
  59. 	e.preventDefault();
  60. 	e.stopPropagation();
  61. 	e.stopImmediatePropagation();
  62. 	setTimeout(function() {
  63. 		suppressing = false;
  64. 	}, 50);
  65. }
  66.  
  67. function blockWindowOpenAndMutations(link) {
  68. 	var observer = new MutationObserver(function() {
  69. 		if (link.target == '_blank') {
  70. 			link.removeAttribute('target');
  71. 			console.log('[Open links in current tab] prevented dynamic target=_blank for', link.href);
  72. 			navigate(link.href);
  73. 		}
  74. 	});
  75. 	observer.observe(link, {attributes:true, attributeFilter:['target'], characterData:true});
  76.  
  77. 	var _open = unsafeWindow.open;
  78. 	var timeout = setTimeout(function() {
  79. 		unsafeWindow.open = _open;
  80. 		observer.disconnect();
  81. 	}, 50);
  82. 	unsafeWindow.open = exportFunction(function(url, name, features) {
  83. 		if (!features) {
  84. 			console.log('[Open links in current tab] prevented window.open for', url);
  85. 			navigate(link.href);
  86. 		} else
  87. 			_open(url, name, features);
  88. 		unsafeWindow.open = _open;
  89. 		clearTimeout(timeout);
  90. 	}, unsafeWindow);
  91. }
  92.  
  93. function pierceShadow(e) {
  94. 	var el = e.target;
  95. 	while (el.shadowRoot)
  96. 		el = el.shadowRoot.elementFromPoint(e.clientX, e.clientY);
  97. 	return el.closest('a');
  98. }
  99.  
  100. function navigate(url) {
  101. 	if (window == top) {
  102. 		var link = document.createElement('a');
  103. 		link.href = url;
  104. 		link.dispatchEvent(new MouseEvent('click'));
  105. 	} else
  106. 		top.postMessage(JSON.stringify({name: GM_info.script.name, url: url}), '*');
  107. }
  108.  
  109. function tryParse(str) {
  110. 	try { return JSON.parse(str); }
  111. 	catch(e) {}
  112. }