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Make Bookmarklets from Javascript URLs

When it sees a link to a userscript or general Javascript URL, adds a Bookmarklet besides it, which you can drag to your toolbar to load the script when you next need it (running outside Greasemonkey of course).

当前为 2015-01-24 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name           Make Bookmarklets from Javascript URLs
  3. // @namespace      MBFU
  4. // @description    When it sees a link to a userscript or general Javascript URL, adds a Bookmarklet besides it, which you can drag to your toolbar to load the script when you next need it (running outside Greasemonkey of course).
  5. // @include        http://hwi.ath.cx/*/gm_scripts/*
  6. // @include        http://hwi.ath.cx/*/userscripts/*
  7. // @include        http://*userscripts.org/*
  8. // @exclude        http://hwi.ath.cx/code/other/gm_scripts/joeys_userscripts_and_bookmarklets_overview.html
  9. // @grant          none
  10. // @version 0.0.1.20150124194547
  11. // ==/UserScript==
  12.  
  13. // BUG: We had (i%32) in a userscript (DLT) but when this was turned into a bookmarklet and dragged into Chrome, the debugger showed it had become (i2), causing the script to error with "i2 is not defined".  Changing the code to (i % 32) worked around the problem.
  14.  
  15. // TODO: All links with using dummy=random should change the value on mouseover/mousemove/click, so they can be re-used live without refreshing the page.
  16. //       Static bookmarklets could timeout and re-build after ... 10 seconds?  ^^
  17.  
  18. // Most people will NOT want the NoCache version.  It's only useful for script developers.
  19.  
  20. // Firefox/Greasemonkey does not like to install scripts ending ".user.js?dummy=123"
  21. // But in Chrome it is a useful way to prevent the script from being cached when you are developing it.
  22. var inGoogleChrome = window && window.navigator && window.navigator.vendor.match(/Google/);
  23.  
  24. var preventBrowserFromCachingBookmarklets = inGoogleChrome;
  25.  
  26. // Sometimes Chrome refuses to acknowledge that a script has been updated, and repeatedly installs an old version from its cache!
  27. var preventCachingOfInstallScripts = inGoogleChrome;
  28. // BUG: Chrome sometimes installs a new instance of an extension for each click, rather than overwriting (upgrading) the old.  However disabling preventBrowserFromCachingBookmarklets does not fix that.  It may have been the name "Wikimedia+"?
  29.  
  30. var addGreasemonkeyLibToBookmarklets = true;
  31.  
  32. // DONE: All bookmarklets optionally preload the Fallback GMAPI.
  33. // DONE: All bookmarklets optionally load in non-caching fashion (for changing scripts).
  34.  
  35. // DONE: Use onload event to ensure prerequisite scripts are loaded before dependent scripts.
  36.  
  37. // DONE via FBGMAPI: We could provide neat catches for GM_ API commands so they won't fail entirely.
  38.  
  39. // TODO: Provide extra feature, which allows the Bookmarks to actually trigger
  40. // the userscript properly-running inside Greasemonkey, if this userscript is
  41. // present to handle the request, otherwise (with warning) load outside GM.
  42.  
  43. // TODO: Support @include/@excude and @require meta rules?
  44. // This requires parsing the script's header using XHR before creating each bookmarklet.
  45.  
  46. // DONE: Optionally create static bookmarklet, with all code inline, rather than loaded from a URL.
  47. //       // comments will need to be removed or converted to /*...*/ comments
  48.  
  49. var addDateToStaticBookmarklets = true;
  50.  
  51. var defaultScripts = [];
  52. var includeGMCompat = addGreasemonkeyLibToBookmarklets;
  53. if (includeGMCompat) {
  54. 	// defaultScripts.push("http://hwi.ath.cx/code/other/gm_scripts/fallbackgmapi/fallbackgmapi.user.js");
  55. 	defaultScripts.push("http://neuralyte.org/~joey/gm_scripts/fallbackgmapi/fallbackgmapi.user.js");
  56. }
  57.  
  58. function buildLiveBookmarklet(link) {
  59. 	var neverCache = preventBrowserFromCachingBookmarklets;
  60.  
  61. 	var scriptsToLoad = defaultScripts.slice(0);
  62.  
  63. 	scriptsToLoad.push(link.href);
  64.  
  65. 	var neverCacheStr = ( neverCache ? "+'?dummy='+new Date().getTime()" : "" );
  66.  
  67. 	/*
  68. 	var toRun = "(function(){\n";
  69. 	for (var i=0;i<scriptsToLoad.length;i++) {
  70. 		var script = scriptsToLoad[i];
  71. 		toRun += "  var newScript = document.createElement('script');\n";
  72. 		toRun += "  newScript.src = '" + script + "'" + neverCacheStr + ";\n";
  73. 		toRun += "  document.body.appendChild(newScript);\n";
  74. 	}
  75. 	toRun += "})();";
  76. 	*/
  77.  
  78. 	var toRun = "(function(){\n";
  79. 	// Chrome has no .toSource() or uneval(), so we use JSON.  :f
  80. 	toRun += "var scriptsToLoad="+JSON.stringify(scriptsToLoad)+";\n";
  81. 	toRun += "function loadNext() {\n";
  82. 	toRun += "  if (scriptsToLoad.length == 0) { return; }\n";
  83. 	toRun += "  var next = scriptsToLoad.shift();\n";
  84. 	toRun += "  var newScript = document.createElement('script');\n";
  85. 	toRun += "  newScript.src = next"+neverCacheStr+";\n";
  86. 	toRun += "  newScript.onload = loadNext;\n";
  87. 	toRun += "  newScript.onerror = function(e){ console.error('Problem loading script: '+next,e); };\n";
  88. 	toRun += "  document.body.appendChild(newScript);\n";
  89. 	toRun += "}\n";
  90. 	toRun += "loadNext();\n";
  91. 	toRun += "})(); (void 0);";
  92.  
  93. 	var name = getNameFromFilename(link.href);
  94. 	/*
  95. 	if (neverCache) {
  96. 		name = name + " (NoCache)";
  97. 	}
  98. 	if (includeGMCompat) {
  99. 		name = name + " (FBAPI)";
  100. 	}
  101. 	*/
  102.  
  103. 	var newLink = document.createElement("A");
  104. 	newLink.href = "javascript:" + toRun;
  105. 	newLink.textContent = name;
  106. 	newLink.title = newLink.href;
  107.  
  108. 	var newContainer = document.createElement("div");
  109. 	// newContainer.style.whiteSpace = 'nowrap';
  110. 	newContainer.appendChild(document.createTextNode("(Live Bookmarklet: "));
  111. 	newContainer.appendChild(newLink);
  112. 	var extraString = ( neverCache || includeGMCompat ? neverCache && includeGMCompat ? " (no-caching, with GM fallbacks)" : neverCache ? " (no-caching)" : " (with GM fallbacks)" : "" );
  113. 	// DISABLED HERE:
  114. 	extraString = "";
  115. 	if (extraString) {
  116. 		// newContainer.appendChild(document.createTextNode(extraString));
  117. 		// var extraText = document.createElement("span");
  118. 		// extraText.style.fontSize = '80%';
  119. 		var extraText = document.createElement("small");
  120. 		extraText.textContent = extraString;
  121. 		newContainer.appendChild(extraText);
  122. 	}
  123. 	newContainer.appendChild(document.createTextNode(")"));
  124. 	newContainer.style.paddingLeft = '8px';
  125. 	// link.parentNode.insertBefore(newContainer,link.nextSibling);
  126. 	return newContainer;
  127. }
  128.  
  129. function reportMessage(msg) {
  130. 	console.log(msg);
  131. }
  132.  
  133. function reportWarning(msg) {
  134. 	console.warn(msg);
  135. }
  136.  
  137. function reportError(msg) {
  138. 	console.error(msg);
  139. }
  140.  
  141. function doesItCompile(code) {
  142. 	try {
  143. 		var f = new Function(code);
  144. 	} catch (e) {
  145. 		return false;
  146. 	}
  147. 	return true;
  148. }
  149.  
  150. /* For more bugs try putting (function(){ ... })(); wrapper around WikiIndent! */
  151.  
  152. function fixComments(line) {
  153.  
  154. 	//// Clear // comment line
  155. 	line = line.replace(/^[ \t]*\/\/.*/g,'');
  156.  
  157. 	//// Wrap // comment in /*...*/ (Dangerous! if comment contains a */ !)
  158. 	// line = line.replace(/^([ \t]*)\/\/(.*)/g,'$1/*$2*/');
  159.  
  160. 	//// Clear trailing comment (after a few chars we deem sensible)
  161. 	//// This still doesn't handle some valid cases.
  162. 	var trailingComment = /([;{}()\[\],\. \t])\s*\/\/.*/g;
  163. 	//// What might break: An odd number of "s or 's, any /*s or */s
  164. 	var worrying = /(["']|\/\*|\*\/)/;
  165. 	// Here is a breaking example:
  166. 	// var resNodes = document.evaluate("//div[@id='res']//li", document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
  167. 	// var hasTrailingComment = line.match(trailingComment);
  168. 	var hasTrailingComment = trailingComment.exec(line);
  169. 	if (hasTrailingComment) {
  170. 		/*
  171. 		if (line.match(worrying)) {
  172. 			reportWarning("Warning: trailingComment matches: "+hasTrailingComment);
  173. 		}
  174. 		*/
  175. 		var compiledBefore = doesItCompile(line);
  176. 		var newLine = line.replace(trailingComment,'$1');
  177. 		var compilesAfter = doesItCompile(newLine);
  178. 		if (compiledBefore && !compilesAfter) {
  179. 			reportWarning("Aborted // stripping on: "+line);
  180. 		} else {
  181. 			// Accept changes
  182. 			line = newLine;
  183. 		}
  184. 	}
  185. 	return line;
  186.  
  187. }
  188.  
  189. function cleanupSource(source) {
  190. 	// console.log("old length: "+source.length);
  191. 	var lines = source.split('\n');
  192. 	// console.log("lines: "+lines.length);
  193. 	for (var i=0;i<lines.length;i++) {
  194. 		lines[i] = fixComments(lines[i]);
  195. 	}
  196. 	// source = lines.join('\n');
  197. 	source = lines.join(' ');
  198. 	// console.log("new length: "+source.length);
  199. 	//// For Bookmarklet Builder's reformatter:
  200. 	source = source.replace("(function","( function",'g');
  201. 	return source;
  202. }
  203.  
  204. // We could cache urls, at least during this one page visit
  205. // Specifically the ones we request repeatedly for statis bmls (fbgmapi).
  206. var sourcesLoaded = {};
  207.  
  208. // My first "promise":
  209. function getSourceFor(url) {
  210.  
  211. 	var handler;
  212.  
  213. 	function handlerFn(res) {
  214. 		var source = res.responseText;
  215. 		if (handler) {
  216. 			handler(source);
  217. 		}
  218. 	}
  219.  
  220. 	function onErrorFn(res) {
  221. 		reportError("Failed to load "+url+": HTTP "+res.status);
  222. 	}
  223.  
  224. 	// I found this was needed one time on Chrome!
  225. 	// It probably doesn't need to be linked to preventCachingOfInstallScripts or preventBrowserFromCachingBookmarklets.
  226. 	url += "?dummy="+Math.random();
  227. 	console.log("Loading "+url);
  228. 	getURLThen(url,handlerFn,onErrorFn);
  229.  
  230. 	return {
  231. 		then: function(handleResponse){
  232. 			handler = handleResponse;
  233. 			// TODO: return next promise
  234. 		}
  235. 	};
  236. }
  237.  
  238. /* To avoid a multitude of premature network requests, the bookmarklet is not actually "compiled" until mouseover. */
  239. function buildStaticBookmarklet(link) {
  240.  
  241. 	var newLink = document.createElement("a");
  242. 	newLink.textContent = getNameFromFilename(link.href);
  243.  
  244. 	var newContainer = document.createElement("div");
  245. 	// newContainer.style.whiteSpace = 'nowrap';
  246. 	// Experimental:
  247. 	newContainer.appendChild(document.createTextNode("(Static Bookmarklet: "));
  248. 	newContainer.appendChild(newLink);
  249. 	newContainer.appendChild(document.createTextNode(")"));
  250. 	newContainer.style.paddingLeft = '8px';
  251.  
  252. 	newLink.style.textDecoration = 'underline';
  253. 	// newLink.style.color = '#000080';
  254. 	newLink.style.color = '#333366';
  255.  
  256. 	// link.parentNode.insertBefore(newContainer,link.nextSibling);
  257.  
  258. 	// The href may change before we fire (e.g. if dummy is appended) so we make a copy.
  259. 	var href = link.href;
  260.  
  261. 	// setTimeout(function(){
  262. 	// ,2000 * staticsRequested);
  263. 	newLink.onmouseover = function(){
  264. 		getStaticBookmarkletFromUserscript(href,whenGot);
  265. 		newLink.style.color = '#ff7700';
  266. 		newLink.onmouseover = null; // once
  267. 	};
  268.  
  269. 	function whenGot(staticSrc) {
  270.  
  271. 		// Does it parse?
  272. 		try {
  273. 			var testFn = new Function(staticSrc);
  274. 			newLink.style.color = '';  // Success!  Color like a normal link
  275. 		} catch (e) {
  276. 			var msg = "PARSE FAILED";
  277. 			// Firefox has this:
  278. 			if (e.lineNumber) {
  279. 				msg += " on line "+e.lineNumber;
  280. 			}
  281. 			msg += ":";
  282. 			console.log("["+href+"] "+msg,e);
  283. 			newLink.title = msg+" "+e;
  284. 			newLink.style.color = 'red'; // color as error
  285. 			window.lastParseError = e;
  286. 			// return;
  287. 		}
  288.  
  289. 		newLink.href = "javascript:" + staticSrc;
  290.  
  291. 		if (addDateToStaticBookmarklets) {
  292. 			var d = new Date();
  293. 			//var dateStr = d.getFullYear()+"."+(d.getMonth()+1)+"."+d.getDate();
  294. 			var dateStr = d.toISOString().substring(0,10);
  295. 			newLink.textContent = newLink.textContent + " ("+dateStr+")";
  296. 		}
  297.  
  298. 		// Just in case the browser is dumb, force it to re-analyse the link.
  299. 		newLink.parentNode.insertBefore(newLink,newLink.nextSibling);
  300. 	}
  301.  
  302. 	return newContainer;
  303.  
  304. }
  305.  
  306. function getStaticBookmarkletFromUserscript(href,callback) {
  307.  
  308. 	var scriptsToLoad = defaultScripts.slice(0);
  309. 	scriptsToLoad.push(href);
  310.  
  311. 	var scriptSources = [];
  312. 	var numLoaded = 0;
  313.  
  314. 	function loadSourceIntoArray(i) {
  315. 		getSourceFor(scriptsToLoad[i]).
  316. 		then(function(source){
  317. 			if (!source) {
  318. 				reportError("Failed to acquire source for: "+href);
  319. 			}
  320. 			scriptSources[i] = source;
  321. 			numLoaded++;
  322. 			if (numLoaded == scriptsToLoad.length) {
  323. 				allSourcesLoaded();
  324. 			}
  325. 		});
  326. 	}
  327.  
  328. 	for (var i=0;i<scriptsToLoad.length;i++) {
  329. 		loadSourceIntoArray(i);
  330. 	}
  331.  
  332. 	function allSourcesLoaded() {
  333.  
  334. 		var toRun = "";
  335.  
  336. 		for (var i=0;i<scriptSources.length;i++) {
  337. 			if (!scriptSources[i]) {
  338. 				reportError("Expected contents of "+scriptsToLoad[i]+" but got: "+scriptSources[i]);
  339. 			}
  340. 			var cleaned = cleanupSource(scriptSources[i]);
  341. 			toRun += "(function(){\n";
  342. 			toRun += cleaned;
  343. 			toRun += "})();\n";
  344. 		}
  345. 		toRun += "(void 0);";
  346.  
  347. 		callback(toRun);
  348.  
  349. 	}
  350.  
  351. }
  352.  
  353. // In this case, link points to a folder containing a userscript.
  354. // We guess the userscript's name from the folder's name.
  355. function addQuickInstall(link) {
  356. 	if (link.parentNode.tagName == 'TD') {
  357. 		link.parentNode.style.width = '60%';
  358. 	}
  359. 	var br2 = document.createElement("br");
  360. 	link.parentNode.insertBefore(br2,link.nextSibling);
  361. 	var br = document.createElement("br");
  362. 	link.parentNode.insertBefore(br,link.nextSibling.nextSibling);
  363. 	var name = link.href.match(/([^\/]*)\/$/)[1];
  364. 	var newLink = document.createElement("A");
  365. 	newLink.href = link.href + name+".user.js";
  366. 	newLink.textContent = "Install Userscript"; // name+".user.js";
  367. 	var newContainer = document.createElement("span");
  368. 	newContainer.appendChild(document.createTextNode("      ["));
  369. 	newContainer.appendChild(newLink);
  370. 	newContainer.appendChild(document.createTextNode("]"));
  371. 	newContainer.style.paddingLeft = '8px';
  372. 	link.parentNode.insertBefore(newContainer,br);
  373. 	link.style.color = 'black';
  374. 	link.style.fontWeight = 'bold';
  375. 	newContainer.appendChild(buildLiveBookmarklet(newLink));
  376. 	newContainer.appendChild(buildStaticBookmarklet(newLink));
  377. 	newContainer.appendChild(buildLiveUserscript(newLink));
  378. 	popupSourceOnHover(newLink);
  379. 	// Do this after the other two builders have used the .href
  380. 	if (preventCachingOfInstallScripts) {
  381. 		newLink.href = newLink.href + '?dummy='+new Date().getTime();
  382. 	}
  383. }
  384.  
  385. function getURLThen(url,handlerFn,onErrorFn) {
  386. 	var req = new XMLHttpRequest();
  387. 	req.open("get", url, true);
  388. 	req.onreadystatechange = function (aEvt) {
  389. 		if (req.readyState == 4) {
  390. 			if(req.status == 200) {
  391. 				// Got it
  392. 				handlerFn(req);
  393. 			} else {
  394. 				var msg = ("XHR failed with status "+req.status+"\n");
  395. 				window.status = msg;
  396. 				onErrorFn(req);
  397. 				console.warn(msg);
  398. 			}
  399. 		}
  400. 	};
  401. 	req.send(null);
  402. }
  403.  
  404. var frame = null;
  405.  
  406. function loadSourceViewer(url, newLink, evt) {
  407.  
  408. 	// window.lastEVT = evt;
  409.  
  410. 	if (frame && frame.parentNode) {
  411. 		frame.parentNode.removeChild(frame);
  412. 	}
  413. 	frame = document.createElement("div");
  414.  
  415. 	function reportToFrame(msg) {
  416. 		frame.appendChild( document.createTextNode(msg) );
  417. 	}
  418.  
  419. 	// This doesn't work.  Loading it directly into the iframe triggers Greasemonkey to install it!
  420. 	//frame.src = url;
  421. 	// What we need to do is get the script with an XHR, then place it into the div.
  422.  
  423. 	// This seems to fire immediately in Firefox!
  424. 	var cleanup = function(evt) {
  425. 		frame.parentNode.removeChild(frame);
  426. 		document.body.removeEventListener("click",cleanup,false);
  427. 		// frame.removeEventListener("mouseout",cleanup,false);
  428. 	};
  429. 	document.body.addEventListener("click",cleanup,false);
  430.  
  431. 	getURLThen(url, function(res){
  432. 		// We were using pre instead of div to get monospace like <tt> or <code>
  433. 		// However since we are commonly reading the description, sans seems better.
  434. 		var displayDiv = document.createElement("div");
  435. 		displayDiv.style.fontSize = '0.8em';
  436. 		displayDiv.style.whiteSpace = "pre-wrap";
  437. 		var displayCode = document.createElement("pre");
  438. 		displayCode.textContent = res.responseText;
  439. 		displayCode.style.maxHeight = "100%";
  440. 		displayCode.style.overflow = "auto";
  441. 		displayDiv.appendChild(displayCode);
  442. 		while (frame.firstChild) {
  443. 			frame.removeChild(frame.firstChild);
  444. 		}
  445. 		frame.appendChild(displayDiv);
  446. 		if (typeof Rainbow != null) {
  447. 			/*
  448. 			// Works fine in Chrome, but in Firefox it causes Rainbow to fail with "too much recursion".
  449. 			Rainbow.extend('javascript', [
  450. 				{
  451. 					'name': 'importantcomment',
  452. 					'pattern': /(\/\/|\#) @(name|description|include) [\s\S]*?$/gm
  453. 				},
  454. 			], false);
  455. 			*/
  456. 			setTimeout(function(){
  457. 				displayCode.setAttribute('data-language', "javascript");
  458. 				displayCode.style.fontSize = '100%';
  459. 				Rainbow.color(displayCode.parentNode, function(){
  460. 					console.log("Rainbow finished.");
  461. 				});
  462. 			},50);
  463. 		}
  464. 		// frame.addEventListener("mouseout",cleanup,false);
  465. 		// newLink.title = res.responseText;
  466. 		var lines = res.responseText.split("\n");
  467. 		for (var i=0;i<lines.length;i++) {
  468. 			var line = lines[i];
  469. 			if (line.match(/@description\s/)) {
  470. 				var descr = line.replace(/.*@description\s*/,'');
  471. 				newLink.title = descr;
  472. 				break;
  473. 			}
  474. 		}
  475. 	}, function(res){
  476. 		reportToFrame("Failed to load "+url+": HTTP "+res.status);
  477. 	});
  478.  
  479. 	/*
  480. 	frame.style.position = 'fixed';
  481. 	frame.style.top = evt.clientY+4+'px';
  482. 	frame.style.left = evt.clientX+4+'px';
  483. 	*/
  484. 	// frame.style.position = 'absolute';
  485. 	// frame.style.top = evt.layerY+12+'px';
  486. 	// frame.style.left = evt.layerX+12+'px';
  487. 	// frame.style.top = evt.layerY - window.innerHeight*35/100 + 'px';
  488. 	// frame.style.left = evt.layerX + 64 + 'px';
  489. 	// frame.style.width = "70%";
  490. 	// frame.style.height = "70%";
  491. 	frame.style.position = 'fixed';
  492. 	frame.style.right = '2%';
  493. 	frame.style.width = '50%';
  494. 	frame.style.top = '10%';
  495. 	frame.style.height = '80%';
  496. 	frame.style.backgroundColor = 'white';
  497. 	frame.style.color = 'black';
  498. 	frame.style.padding = '8px';
  499. 	frame.style.border = '2px solid #555555';
  500. 	document.body.appendChild(frame);
  501.  
  502. 	reportToFrame("Loading...");
  503.  
  504. }
  505.  
  506. function buildSourceViewer(link) {
  507. 	var newLink = document.createElement("A");
  508. 	// newLink.href = '#';
  509. 	newLink.textContent = "Source";
  510.  
  511. 	newLink.addEventListener('click',function(e) {
  512. 		loadSourceViewer(link.href,newLink,e);
  513. 	},false);
  514.  
  515. 	// TODO: Problem with .user.js files and Chrome:
  516. 	// In Chrome, opens an empty iframe then the statusbar says it wants to install an extension.
  517. 	// For Chrome we could try: frame.src = "view-source:"+...;
  518. 	var extra = document.createElement("span");
  519. 	extra.appendChild(document.createTextNode("["));
  520. 	extra.appendChild(newLink);
  521. 	extra.appendChild(document.createTextNode("]"));
  522. 	extra.style.paddingLeft = '8px';
  523.  
  524. 	// link.parentNode.insertBefore(extra,link.nextSibling);
  525. 	return extra;
  526. }
  527.  
  528. function popupSourceOnHover(link) {
  529. 	var hoverTimer = null;
  530. 	function startHover(evt) {
  531. 		stopHover(evt);
  532. 		hoverTimer = setTimeout(function(){
  533. 			loadSourceViewer(link.href, link, evt);
  534. 			stopHover(evt);
  535. 			// link.removeEventListener("mouseover",startHover,false);
  536. 			// link.removeEventListener("mouseout",stopHover,false);
  537. 		},1500);
  538. 	}
  539. 	function stopHover(evt) {
  540. 		clearTimeout(hoverTimer);
  541. 		hoverTimer = null;
  542. 	}
  543. 	link.addEventListener("mouseover",startHover,false);
  544. 	link.addEventListener("mouseout",stopHover,false);
  545. 	// If they click on it before waiting to hover, they probably don't want the popup:
  546. 	link.addEventListener("click",stopHover,false);
  547. }
  548.  
  549. function buildLiveUserscript(link) {
  550. 	//// This isn't working any more.  data:// lost its power circa 2006 due to abuse.
  551. 	//// Create a clickable link that returns a sort-of file to the browser using the "data:" protocol.
  552. 	//// That file would be a new userscript for installation.
  553. 	//// We can generate the contents of this new userscript at run-time.
  554. 	//// The current one we generate runs (no @includes), and loads the latest userscript from its website via script injection.
  555. 	/* DISABLED
  556. 	// BUG: data:{...}.user.js does not interest my Chromium
  557. 	var name = getNameFromFilename(link.href)+" Live!";
  558. 	var name = "Install LiveLoader";
  559. 	var whatToRun = '(function(){\n'
  560. 		+ '  var ns = document.createElement("script");\n'
  561. 		+ '  ns.src = "' + encodeURI(getCanonicalUrl(link.href)) + '";\n'
  562. 		+ '  document.getElementsByTagName("head")[0].appendChild(ns);\n'
  563. 		+ '})();\n';
  564. 	var newLink = document.createElement("a");
  565. 	newLink.textContent = name;
  566. 	newLink.href = "data:text/javascript;charset=utf-8,"
  567. 		+ "// ==UserScript==%0A"
  568. 		+ "// @namespace LiveLoader%0A"
  569. 		+ "// @name " + name + " LIVE%0A"
  570. 		+ "// @description Loads " +name+ " userscript live from " + link.href + "%0A"
  571. 		+ "// ==/UserScript==%0A"
  572. 		+ "%0A"
  573. 		+ encodeURIComponent(whatToRun) + "%0A"
  574. 		+ "//.user.js";
  575. 	var extra = document.createElement("span");
  576. 	extra.appendChild(document.createTextNode("["));
  577. 	extra.appendChild(newLink);
  578. 	extra.appendChild(document.createTextNode("]"));
  579. 	extra.style.paddingLeft = '8px';
  580. 	link.parentNode.insertBefore(extra,link.nextSibling);
  581. 	*/
  582. 	return document.createTextNode("");
  583. }
  584.  
  585. function getCanonicalUrl(url) {
  586. 	if (url.substring(0,1)=="/") {
  587. 		url = document.location.protocol + "://" + document.location.domain + "/" + url;
  588. 	}
  589. 	if (!url.match("://")) {
  590. 		url = document.location.href.match("^[^?]*/") + url;
  591. 	}
  592. 	return url;
  593. }
  594.  
  595. function getNameFromFilename(href) {
  596. 	var isUserscript = href.match(/\.user\.js$/);
  597. 	// Remove any leading folders and trailing ".user.js"
  598. 	var name = href.match(/[^\/]*$/)[0].replace(/\.user\.js$/,'');
  599.  
  600. 	name = decodeURIComponent(name);
  601.  
  602. 	// The scripts on userscripts.org do not have their name in the filename,
  603. 	// but we can get the name from the page title!
  604. 	if (document.location.host=="userscripts.org" && document.location.pathname=="/scripts/show/"+name) {
  605. 		var scriptID = name;
  606. 		name = document.title.replace(/ for Greasemonkey/,'');
  607. 		// Optionally, include id in name:
  608. 		name += " ("+scriptID+")";
  609. 	}
  610.  
  611. 	if (isUserscript) {
  612. 		var words = name.split("_");
  613. 		for (var i=0;i<words.length;i++) {
  614. 			if (words[i].length) {
  615. 				var c = words[i].charCodeAt(0);
  616. 				if (c>=97 && c<=122) {
  617. 					c = 65 + (c - 97);
  618. 					words[i] = String.fromCharCode(c) + words[i].substring(1);
  619. 				}
  620. 			}
  621. 		}
  622. 		name = words.join(" ");
  623. 	} else {
  624. 		// It's just a Javascript file
  625. 		name = "Load "+name;
  626. 	}
  627. 	return name;
  628. }
  629.  
  630. var links = document.getElementsByTagName("A");
  631. //// We used to process backwards (for less height recalculation).
  632. //// But this was messing up maxStaticsToRequest.
  633. //// But now backwards processing is restored, to avoid producing multiple bookmarks!
  634. for (var i=links.length;i--;) {
  635. //for (var i=0;i<links.length;i++) {
  636. 	var link = links[i];
  637.  
  638. 	if (link.getAttribute('data-make-bookmarklet') === 'false') {
  639. 		continue;
  640. 	}
  641.  
  642. 	// If we see a direct link to a user script, create buttons for it.
  643. 	if (link.href.match(/\.js$/)) { // \.user\.js
  644. 		var where = link;
  645. 		function insert(newElem) {
  646. 			where.parentNode.insertBefore(newElem,where.nextSibling);
  647. 			where = newElem;
  648. 		}
  649. 		insert(buildLiveBookmarklet(link));
  650. 		insert(buildStaticBookmarklet(link));
  651. 		insert(buildLiveUserscript(link));
  652. 		insert(buildSourceViewer(link));
  653. 	}
  654.  
  655. 	// If the current page looks like a Greasemonkey Userscript Folder, then
  656. 	// create an installer for every subfolder (assuming a script is inside it).
  657. 	if (document.location.pathname.match(/\/(gm_scripts|userscripts)\//)) {
  658. 		if (link.href.match(/\/$/) && link.textContent!=="Parent Directory") {
  659. 			addQuickInstall(link);
  660. 		}
  661. 	}
  662.  
  663. }
  664.  
  665. /*
  666. var promise(getURLThen,url) {
  667. 	var handler;
  668.  
  669. 	getURLThen(url,handlerFn,handlerFn);
  670.  
  671. 	function handlerFn(res) {
  672. 		var source = res.responseText;
  673. 		if (handler) {
  674. 			handler(source);
  675. 		} else {
  676. 			reportError("No handler set for: "+
  677. 		}
  678. 	}
  679.  
  680. 	return {
  681. 		then: function(handleResponse){
  682. 			handler = handleResponse;
  683. 		}
  684. 	};
  685. }
  686. */
  687.