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Hacktimer

HackTimer by Turuslan, uploaded by Azti for 7Placer.

此脚本不应直接安装，它是一个供其他脚本使用的外部库。如果您需要使用该库，请在脚本元属性加入：// @require https://update.cn-greasyfork.org/scripts/498080/1395134/Hacktimer.js 

  1. // ==UserScript==
  2. // @license      MIT
  3. // ==/UserScript==
  4.  
  5. (function (workerScript) {
  6. 	if (!/MSIE 10/i.test (navigator.userAgent)) {
  7. 		try {
  8. 			var blob = new Blob (["\
  9. var fakeIdToId = {};\
  10. onmessage = function (event) {\
  11. 	var data = event.data,\
  12. 		name = data.name,\
  13. 		fakeId = data.fakeId,\
  14. 		time;\
  15. 	if(data.hasOwnProperty('time')) {\
  16. 		time = data.time;\
  17. 	}\
  18. 	switch (name) {\
  19. 		case 'setInterval':\
  20. 			fakeIdToId[fakeId] = setInterval(function () {\
  21. 				postMessage({fakeId: fakeId});\
  22. 			}, time);\
  23. 			break;\
  24. 		case 'clearInterval':\
  25. 			if (fakeIdToId.hasOwnProperty (fakeId)) {\
  26. 				clearInterval(fakeIdToId[fakeId]);\
  27. 				delete fakeIdToId[fakeId];\
  28. 			}\
  29. 			break;\
  30. 		case 'setTimeout':\
  31. 			fakeIdToId[fakeId] = setTimeout(function () {\
  32. 				postMessage({fakeId: fakeId});\
  33. 				if (fakeIdToId.hasOwnProperty (fakeId)) {\
  34. 					delete fakeIdToId[fakeId];\
  35. 				}\
  36. 			}, time);\
  37. 			break;\
  38. 		case 'clearTimeout':\
  39. 			if (fakeIdToId.hasOwnProperty (fakeId)) {\
  40. 				clearTimeout(fakeIdToId[fakeId]);\
  41. 				delete fakeIdToId[fakeId];\
  42. 			}\
  43. 			break;\
  44. 	}\
  45. }\
  46. "]);
  47. 			// Obtain a blob URL reference to our worker 'file'.
  48. 			workerScript = window.URL.createObjectURL(blob);
  49. 		} catch (error) {
  50. 			/* Blob is not supported, use external script instead */
  51. 		}
  52. 	}
  53. 	var worker,
  54. 		fakeIdToCallback = {},
  55. 		lastFakeId = 0,
  56. 		maxFakeId = 0x7FFFFFFF, // 2 ^ 31 - 1, 31 bit, positive values of signed 32 bit integer
  57. 		logPrefix = 'HackTimer.js by turuslan: ';
  58. 	if (typeof (Worker) !== 'undefined') {
  59. 		function getFakeId () {
  60. 			do {
  61. 				if (lastFakeId == maxFakeId) {
  62. 					lastFakeId = 0;
  63. 				} else {
  64. 					lastFakeId ++;
  65. 				}
  66. 			} while (fakeIdToCallback.hasOwnProperty (lastFakeId));
  67. 			return lastFakeId;
  68. 		}
  69. 		try {
  70. 			worker = new Worker (workerScript);
  71. 			window.setInterval = function (callback, time /* , parameters */) {
  72. 				var fakeId = getFakeId ();
  73. 				fakeIdToCallback[fakeId] = {
  74. 					callback: callback,
  75. 					parameters: Array.prototype.slice.call(arguments, 2)
  76. 				};
  77. 				worker.postMessage ({
  78. 					name: 'setInterval',
  79. 					fakeId: fakeId,
  80. 					time: time
  81. 				});
  82. 				return fakeId;
  83. 			};
  84. 			window.clearInterval = function (fakeId) {
  85. 				if (fakeIdToCallback.hasOwnProperty(fakeId)) {
  86. 					delete fakeIdToCallback[fakeId];
  87. 					worker.postMessage ({
  88. 						name: 'clearInterval',
  89. 						fakeId: fakeId
  90. 					});
  91. 				}
  92. 			};
  93. 			window.setTimeout = function (callback, time /* , parameters */) {
  94. 				var fakeId = getFakeId ();
  95. 				fakeIdToCallback[fakeId] = {
  96. 					callback: callback,
  97. 					parameters: Array.prototype.slice.call(arguments, 2),
  98. 					isTimeout: true
  99. 				};
  100. 				worker.postMessage ({
  101. 					name: 'setTimeout',
  102. 					fakeId: fakeId,
  103. 					time: time
  104. 				});
  105. 				return fakeId;
  106. 			};
  107. 			window.clearTimeout = function (fakeId) {
  108. 				if (fakeIdToCallback.hasOwnProperty(fakeId)) {
  109. 					delete fakeIdToCallback[fakeId];
  110. 					worker.postMessage ({
  111. 						name: 'clearTimeout',
  112. 						fakeId: fakeId
  113. 					});
  114. 				}
  115. 			};
  116. 			worker.onmessage = function (event) {
  117. 				var data = event.data,
  118. 					fakeId = data.fakeId,
  119. 					request,
  120. 					parameters,
  121. 					callback;
  122. 				if (fakeIdToCallback.hasOwnProperty(fakeId)) {
  123. 					request = fakeIdToCallback[fakeId];
  124. 					callback = request.callback;
  125. 					parameters = request.parameters;
  126. 					if (request.hasOwnProperty ('isTimeout') && request.isTimeout) {
  127. 						delete fakeIdToCallback[fakeId];
  128. 					}
  129. 				}
  130. 				if (typeof (callback) === 'string') {
  131. 					try {
  132. 						callback = new Function (callback);
  133. 					} catch (error) {
  134. 						console.log (logPrefix + 'Error parsing callback code string: ', error);
  135. 					}
  136. 				}
  137. 				if (typeof (callback) === 'function') {
  138. 					callback.apply (window, parameters);
  139. 				}
  140. 			};
  141. 			worker.onerror = function (event) {
  142. 				console.log (event);
  143. 			};
  144. 		} catch (error) {
  145. 			console.log (logPrefix + 'Initialisation failed');
  146. 			console.error (error);
  147. 		}
  148. 	} else {
  149. 		console.log (logPrefix + 'Initialisation failed - HTML5 Web Worker is not supported');
  150. 	}
  151. }) ('HackTimerWorker.js');