☰

Absolute Visibility

Makes tabs and windows think they're visible even when they're not.

此腳本不應該直接安裝，它是一個供其他腳本使用的函式庫。欲使用本函式庫，請在腳本 metadata 寫上： // @require https://update.cn-greasyfork.org/scripts/456228/1309113/Absolute%20Visibility.js 

  1. // ==UserScript==
  2. // @name         Absolute Visibility
  3. // @namespace    https://naeembolchhi.github.io/
  4. // @version      0.2
  5. // @description  Makes tabs and windows think they're visible even when they're not.
  6. // @author       NaeemBolchhi
  7. // @license      Mozilla Public License 2.0
  8. // @grant        none
  9. // ==/UserScript==
  10.  
  11. const knife = `const script = document.currentScript;
  12. const isFirefox = /Firefox/.test(navigator.userAgent) || typeof InstallTrigger !== 'undefined';
  13.  
  14. const block = e => {
  15. 	e.preventDefault();
  16. 	e.stopPropagation();
  17. 	e.stopImmediatePropagation();
  18. };
  19.  
  20. const once = {
  21. 	focus: true,
  22. 	visibilitychange: true,
  23. 	webkitvisibilitychange: true
  24. };
  25.  
  26. /* visibility */
  27. Object.defineProperty(document, 'visibilityState', {
  28. 	get() {
  29. 		return 'visible';
  30. 	}
  31. });
  32. if (isFirefox === false) {
  33. 	Object.defineProperty(document, 'webkitVisibilityState', {
  34. 		get() {
  35. 			return 'visible';
  36. 		}
  37. 	});
  38. }
  39. document.addEventListener('visibilitychange', e => {
  40. 	script.dispatchEvent(new Event('state'));
  41. 	if (script.dataset.visibility !== 'false') {
  42. 		if (once.visibilitychange) {
  43. 			once.visibilitychange = false;
  44. 			return;
  45. 		}
  46. 		return block(e);
  47. 	}
  48. }, true);
  49. document.addEventListener('webkitvisibilitychange', e => {
  50. 	if (script.dataset.visibility !== 'false') {
  51. 		if (once.webkitvisibilitychange) {
  52. 			once.webkitvisibilitychange = false;
  53. 			return;
  54. 		}
  55. 		return block(e);
  56. 	}
  57. }, true);
  58.  
  59.  
  60. window.addEventListener('pagehide', e => script.dataset.visibility !== 'false' && block(e), true);
  61.  
  62. /* hidden */
  63. Object.defineProperty(document, 'hidden', {
  64. 	get() {
  65. 		return false;
  66. 	}
  67. });
  68. Object.defineProperty(document, isFirefox ? 'mozHidden' : 'webkitHidden', {
  69. 	get() {
  70. 		return false;
  71. 	}
  72. });
  73.  
  74. /* focus */
  75. Document.prototype.hasFocus = new Proxy(Document.prototype.hasFocus, {
  76. 	apply(target, self, args) {
  77. 		if (script.dataset.focus !== 'false') {
  78. 			return true;
  79. 		}
  80. 		return Reflect.apply(target, self, args);
  81. 	}
  82. });
  83.  
  84. const onfocus = e => {
  85. 	if (script.dataset.focus !== 'false') {
  86. 		if (e.target === document || e.target === window) {
  87. 			if (once.focus && document.readyState === 'complete' && e.target === window) {
  88. 				once.focus = false;
  89. 				return;
  90. 			}
  91. 			return block(e);
  92. 		}
  93. 	}
  94. };
  95. // document.addEventListener('focus', onfocus, true);
  96. window.addEventListener('focus', onfocus, true);
  97.  
  98.  
  99. /* blur */
  100. const onblur = e => {
  101. 	if (script.dataset.blur !== 'false') {
  102. 		if (e.target === document || e.target === window) {
  103. 			return block(e);
  104. 		}
  105. 	}
  106. };
  107. document.addEventListener('blur', onblur, true);
  108. window.addEventListener('blur', onblur, true);
  109.  
  110. /* mouse */
  111. window.addEventListener('mouseleave', e => {
  112. 	if (script.dataset.mouseleave !== 'false') {
  113. 		if (e.target === document || e.target === window) {
  114. 			return block(e);
  115. 		}
  116. 	}
  117. }, true);
  118.  
  119. /* requestAnimationFrame */
  120. let lastTime = 0;
  121. window.requestAnimationFrame = new Proxy(window.requestAnimationFrame, {
  122. 	apply(target, self, args) {
  123. 		if (script.dataset.hidden === 'true') {
  124. 			const currTime = Date.now();
  125. 			const timeToCall = Math.max(0, 16 - (currTime - lastTime));
  126. 			const id = window.setTimeout(function() {
  127. 				args[0](performance.now());
  128. 			}, timeToCall);
  129. 			lastTime = currTime + timeToCall;
  130. 			return id;
  131. 		} else {
  132. 			return Reflect.apply(target, self, args);
  133. 		}
  134. 	}
  135. });
  136. window.cancelAnimationFrame = new Proxy(window.cancelAnimationFrame, {
  137. 	apply(target, self, args) {
  138. 		if (script.dataset.hidden === 'true') {
  139. 			clearTimeout(args[0]);
  140. 		}
  141. 		return Reflect.apply(target, self, args);
  142. 	}
  143. });`;
  144.  
  145. (function eyeStabber() {
  146.     let html, script;
  147.     html = document.documentElement;
  148.     if (!html) {window.location.reload();}
  149.     script = document.createElement("script");
  150.     script.setAttribute("type", "text/javascript");
  151.     script.innerHTML = knife;
  152.     html.appendChild(script);
  153.     script.remove();
  154. })();