1/*global jQuery: true */ 2 3/*! 4 -------------------------------- 5 Infinite Scroll 6 -------------------------------- 7 + https://github.com/paulirish/infinite-scroll 8 + version 2.0.2 9 + Copyright 2011/12 Paul Irish & Luke Shumard 10 + Licensed under the MIT license 11 12 + Documentation: http://infinite-scroll.com/ 13*/ 14 15// Uses AMD or browser globals to create a jQuery plugin. 16(function (factory) { 17 if (typeof define === 'function' && define.amd) { 18 // AMD. Register as an anonymous module. 19 define(['jquery'], factory); 20 } else { 21 // Browser globals 22 factory(jQuery); 23 } 24}(function ($, undefined) { 25 "use strict"; 26 27 $.infinitescroll = function infscr(options, callback, element) { 28 this.element = $(element); 29 30 // Flag the object in the event of a failed creation 31 if (!this._create(options, callback)) { 32 this.failed = true; 33 } 34 }; 35 36 $.infinitescroll.defaults = { 37 loading: { 38 finished: undefined, 39 finishedMsg: "<em>Congratulations, you've reached the end of the internet.</em>", 40 img: "data:image/gif;base64,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", 41 msg: null, 42 msgText: "<em>Loading the next set of posts...</em>", 43 selector: null, 44 speed: 'fast', 45 start: undefined 46 }, 47 state: { 48 isDuringAjax: false, 49 isInvalidPage: false,
50 isDestroyed: false, 51 isDone: false, // For when it goes all the way through the archive. 52 isPaused: false, 53 isBeyondMaxPage: false, 54 currPage: 1 55 }, 56 debug: false, 57 behavior: undefined, 58 binder: $(window), // used to cache the selector 59 nextSelector: "div.navigation a:first", 60 navSelector: "div.navigation", 61 contentSelector: null, // rename to pageFragment 62 extraScrollPx: 150, 63 itemSelector: "div.post", 64 animate: false, 65 pathParse: undefined, 66 dataType: 'html', 67 appendCallback: true, 68 bufferPx: 40, 69 errorCallback: function () { }, 70 infid: 0, //Instance ID 71 pixelsFromNavToBottom: undefined, 72 path: undefined, // Either parts of a URL as an array (e.g. ["/page/", "/"] or a function that takes in the page number and returns a URL 73 prefill: false, // When the document is smaller than the window, load data until the document is larger or links are exhausted 74 maxPage: undefined // to manually control maximum page (when maxPage is undefined, maximum page limitation is not work) 75 }; 76 77 $.infinitescroll.prototype = { 78 79 /* 80 ---------------------------- 81 Private methods 82 ---------------------------- 83 */ 84 85 // Bind or unbind from scroll 86 _binding: function infscr_binding(binding) { 87 88 var instance = this, 89 opts = instance.options; 90 91 opts.v = '2.0b2.120520'; 92 93 // if behavior is defined and this function is extended, call that instead of default 94 if (!!opts.behavior && this['_binding_'+opts.behavior] !== undefined) { 95 this['_binding_'+opts.behavior].call(this); 96 return; 97 } 98 99 if (binding !== 'bind' && binding !== 'unbind') { 100 this._debug('Binding value ' + binding + ' not valid'); 101 return false; 102 } 103 104 if (binding === 'unbind') { 105 (this.options.binder).unbind('smartscroll.infscr.' + instance.options.infid); 106 } else { 107 (this.options.binder)[binding]('smartscroll.infscr.' + instance.options.infid, function () { 108 instance.scroll(); 109 }); 110 } 111 112 this._debug('Binding', binding); 113 }, 114 115 // Fundamental aspects of the plugin are initialized 116 _create: function infscr_create(options, callback) { 117 118 // Add custom options to defaults 119 var opts = $.extend(true, {}, $.infinitescroll.defaults, options); 120 this.options = opts; 121 var $window = $(window); 122 var instance = this; 123 124 // Validate selectors 125 if (!instance._validate(options)) { 126 return false; 127 } 128 129 // Validate page fragment path 130 var path = $(opts.nextSelector).attr('href'); 131 if (!path) { 132 this._debug('Navigation selector not found'); 133 return false; 134 } 135 136 // Set the path to be a relative URL from root. 137 opts.path = opts.path || this._determinepath(path); 138 139 // contentSelector is 'page fragment' option for .load() / .ajax() calls 140 opts.contentSelector = opts.contentSelector || this.element; 141 142 // loading.selector - if we want to place the load message in a specific selector, defaulted to the contentSelector 143 opts.loading.selector = opts.loading.selector || opts.contentSelector; 144 145 // Define loading.msg 146 opts.loading.msg = opts.loading.msg || $('<div id="infscr-loading"><img alt="Loading..." src="' + opts.loading.img + '" /><div>' + opts.loading.msgText + '</div></div>'); 147 148 // Preload loading.img 149 (new Image()).src = opts.loading.img; 150 151 // distance from nav links to bottom 152 // computed as: height of the document + top offset of container - top offset of nav link 153 if(opts.pixelsFromNavToBottom === undefined) { 154 opts.pixelsFromNavToBottom = $(document).height() - $(opts.navSelector).offset().top; 155 this._debug("pixelsFromNavToBottom: " + opts.pixelsFromNavToBottom); 156 } 157 158 var self = this; 159 160 // determine loading.start actions 161 opts.loading.start = opts.loading.start || function() { 162 $(opts.navSelector).hide(); 163 opts.loading.msg 164 .appendTo(opts.loading.selector) 165 .show(opts.loading.speed, $.proxy(function() { 166 this.beginAjax(opts); 167 }, self)); 168 }; 169 170 // determine loading.finished actions 171 opts.loading.finished = opts.loading.finished || function() { 172 if (!opts.state.isBeyondMaxPage) 173 opts.loading.msg.fadeOut(opts.loading.speed); 174 }; 175 176 // callback loading 177 opts.callback = function(instance, data, url) { 178 if (!!opts.behavior && instance['_callback_'+opts.behavior] !== undefined) { 179 instance['_callback_'+opts.behavior].call($(opts.contentSelector)[0], data, url); 180 } 181 182 if (callback) { 183 callback.call($(opts.contentSelector)[0], data, opts, url); 184 } 185 186 if (opts.prefill) { 187 $window.bind("resize.infinite-scroll", instance._prefill); 188 } 189 }; 190 191 if (options.debug) { 192 // Tell IE9 to use its built-in console 193 if (Function.prototype.bind && (typeof console === 'object' || typeof console === 'function') && typeof console.log === "object") { 194 ["log","info","warn","error","assert","dir","clear","profile","profileEnd"] 195 .forEach(function (method) { 196 console[method] = this.call(console[method], console); 197 }, Function.prototype.bind); 198 } 199 } 200 201 this._setup(); 202 203 // Setups the prefill method for use 204 if (opts.prefill) { 205 this._prefill(); 206 } 207 208 // Return true to indicate successful creation 209 return true; 210 }, 211 212 _prefill: function infscr_prefill() { 213 var instance = this; 214 var $window = $(window); 215 216 function needsPrefill() { 217 return (instance.options.contentSelector.height() <= $window.height()); 218 } 219 220 this._prefill = function() { 221 if (needsPrefill()) { 222 instance.scroll(); 223 } 224 225 $window.bind("resize.infinite-scroll", function() { 226 if (needsPrefill()) { 227 $window.unbind("resize.infinite-scroll"); 228 instance.scroll(); 229 } 230 }); 231 }; 232 233 // Call self after setting up the new function 234 this._prefill(); 235 }, 236 237 // Console log wrapper 238 _debug: function infscr_debug() { 239 if (true !== this.options.debug) { 240 return; 241 } 242 243 if (typeof console !== 'undefined' && typeof console.log === 'function') { 244 // Modern browsers 245 // Single argument, which is a string 246 if ((Array.prototype.slice.call(arguments)).length === 1 && typeof Array.prototype.slice.call(arguments)[0] === 'string') { 247 console.log( (Array.prototype.slice.call(arguments)).toString() ); 248 } else { 249 console.log( Array.prototype.slice.call(arguments) ); 250 } 251 } else if (!Function.prototype.bind && typeof console !== 'undefined' && typeof console.log === 'object') { 252 // IE8 253 Function.prototype.call.call(console.log, console, Array.prototype.slice.call(arguments)); 254 } 255 }, 256 257 // find the number to increment in the path.
258 _determinepath: function infscr_determinepath(path) { 259 260 var opts = this.options; 261 262 // if behavior is defined and this function is extended, call that instead of default 263 if (!!opts.behavior && this['_determinepath_'+opts.behavior] !== undefined) { 264 return this['_determinepath_'+opts.behavior].call(this,path); 265 } 266 267 if (!!opts.pathParse) { 268 269 this._debug('pathParse manual'); 270 return opts.pathParse(path, this.options.state.currPage+1); 271 272 } else if (path.match(/^(.*?)\b2\b(.*?$)/)) { 273 path = path.match(/^(.*?)\b2\b(.*?$)/).slice(1); 274 275 // if there is any 2 in the url at all. 276 } else if (path.match(/^(.*?)2(.*?$)/)) { 277 278 // page= is used in django: 279 // http://www.infinite-scroll.com/changelog/comment-page-1/#comment-127 280 if (path.match(/^(.*?page=)2(\/.*|$)/)) { 281 path = path.match(/^(.*?page=)2(\/.*|$)/).slice(1); 282 return path; 283 } 284 285 path = path.match(/^(.*?)2(.*?$)/).slice(1); 286 287 } else { 288 289 // page= is used in drupal too but second page is page=1 not page=2: 290 // thx Jerod Fritz, vladikoff 291 if (path.match(/^(.*?page=)1(\/.*|$)/)) { 292 path = path.match(/^(.*?page=)1(\/.*|$)/).slice(1); 293 return path; 294 } else { 295 this._debug('Sorry, we couldn\'t parse your Next (Previous Posts) URL. Verify your the css selector points to the correct A tag. If you still get this error: yell, scream, and kindly ask for help at infinite-scroll.com.'); 296 // Get rid of isInvalidPage to allow permalink to state 297 opts.state.isInvalidPage = true; //prevent it from running on this page. 298 } 299 } 300 this._debug('determinePath', path); 301 return path; 302 303 }, 304 305 // Custom error 306 _error: function infscr_error(xhr) { 307 308 var opts = this.options; 309 310 // if behavior is defined and this function is extended, call that instead of default 311 if (!!opts.behavior && this['_error_'+opts.behavior] !== undefined) { 312 this['_error_'+opts.behavior].call(this,xhr); 313 return; 314 } 315 316 if (xhr !== 'destroy' && xhr !== 'end') { 317 xhr = 'unknown'; 318 } 319 320 this._debug('Error', xhr); 321 322 if (xhr === 'end' || opts.state.isBeyondMaxPage) { 323 this._showdonemsg(); 324 } 325 326 opts.state.isDone = true; 327 opts.state.currPage = 1; // if you need to go back to this instance 328 opts.state.isPaused = false; 329 opts.state.isBeyondMaxPage = false; 330 this._binding('unbind'); 331 332 }, 333 334 // Load Callback 335 _loadcallback: function infscr_loadcallback(box, data, url) { 336 var opts = this.options, 337 callback = this.options.callback, // GLOBAL OBJECT FOR CALLBACK 338 result = (opts.state.isDone) ? 'done' : (!opts.appendCallback) ? 'no-append' : 'append', 339 frag; 340 341 // if behavior is defined and this function is extended, call that instead of default 342 if (!!opts.behavior && this['_loadcallback_'+opts.behavior] !== undefined) { 343 this['_loadcallback_'+opts.behavior].call(this,box,data); 344 return; 345 } 346 347 switch (result) { 348 case 'done': 349 this._showdonemsg(); 350 return false; 351 352 case 'no-append': 353 if (opts.dataType === 'html') { 354 data = '<div>' + data + '</div>'; 355 data = $(data).find(opts.itemSelector); 356 } 357 break; 358 359 case 'append': 360 var children = box.children(); 361 // if it didn't return anything 362 if (children.length === 0) { 363 return this._error('end'); 364 } 365 366 // use a documentFragment because it works when content is going into a table or UL 367 frag = document.createDocumentFragment(); 368 while (box[0].firstChild) { 369 frag.appendChild(box[0].firstChild); 370 } 371 372 this._debug('contentSelector', $(opts.contentSelector)[0]); 373 $(opts.contentSelector)[0].appendChild(frag); 374 // previously, we would pass in the new DOM element as context for the callback 375 // however we're now using a documentfragment, which doesn't have parents or children, 376 // so the context is the contentContainer guy, and we pass in an array 377 // of the elements collected as the first argument. 378 379 data = children.get(); 380 break; 381 } 382 383 // loadingEnd function 384 opts.loading.finished.call($(opts.contentSelector)[0],opts); 385 386 // smooth scroll to ease in the new content 387 if (opts.animate) { 388 var scrollTo = $(window).scrollTop() + $(opts.loading.msg).height() + opts.extraScrollPx + 'px'; 389 $('html,body').animate({ scrollTop: scrollTo }, 800, function () { opts.state.isDuringAjax = false; }); 390 } 391 392 if (!opts.animate) { 393 // once the call is done, we can allow it again. 394 opts.state.isDuringAjax = false;
395 } 396 397 callback(this, data, url); 398 399 if (opts.prefill) { 400 this._prefill(); 401 } 402 }, 403 404 _nearbottom: function infscr_nearbottom() { 405 406 var opts = this.options, 407 pixelsFromWindowBottomToBottom = 0 + $(document).height() - (opts.binder.scrollTop()) - $(window).height(); 408 409 // if behavior is defined and this function is extended, call that instead of default 410 if (!!opts.behavior && this['_nearbottom_'+opts.behavior] !== undefined) { 411 return this['_nearbottom_'+opts.behavior].call(this); 412 } 413 414 this._debug('math:', pixelsFromWindowBottomToBottom, opts.pixelsFromNavToBottom); 415 416 // if distance remaining in the scroll (including buffer) is less than the orignal nav to bottom.... 417 return (pixelsFromWindowBottomToBottom - opts.bufferPx < opts.pixelsFromNavToBottom); 418 419 }, 420 421 // Pause / temporarily disable plugin from firing 422 _pausing: function infscr_pausing(pause) { 423 424 var opts = this.options; 425 426 // if behavior is defined and this function is extended, call that instead of default 427 if (!!opts.behavior && this['_pausing_'+opts.behavior] !== undefined) { 428 this['_pausing_'+opts.behavior].call(this,pause); 429 return; 430 } 431 432 // If pause is not 'pause' or 'resume', toggle it's value 433 if (pause !== 'pause' && pause !== 'resume' && pause !== null) { 434 this._debug('Invalid argument. Toggling pause value instead'); 435 } 436 437 pause = (pause && (pause === 'pause' || pause === 'resume')) ? pause : 'toggle'; 438 439 switch (pause) { 440 case 'pause': 441 opts.state.isPaused = true; 442 break; 443 444 case 'resume': 445 opts.state.isPaused = false; 446 break; 447 448 case 'toggle': 449 opts.state.isPaused = !opts.state.isPaused; 450 break; 451 } 452 453 this._debug('Paused', opts.state.isPaused); 454 return false; 455 456 }, 457 458 // Behavior is determined 459 // If the behavior option is undefined, it will set to default and bind to scroll 460 _setup: function infscr_setup() { 461 462 var opts = this.options; 463 464 // if behavior is defined and this function is extended, call that instead of default 465 if (!!opts.behavior && this['_setup_'+opts.behavior] !== undefined) { 466 this['_setup_'+opts.behavior].call(this); 467 return; 468 } 469 470 this._binding('bind'); 471 472 return false; 473 474 }, 475 476 // Show done message 477 _showdonemsg: function infscr_showdonemsg() { 478 479 var opts = this.options; 480 481 // if behavior is defined and this function is extended, call that instead of default 482 if (!!opts.behavior && this['_showdonemsg_'+opts.behavior] !== undefined) { 483 this['_showdonemsg_'+opts.behavior].call(this); 484 return; 485 } 486 487 opts.loading.msg 488 .find('img') 489 .hide() 490 .parent() 491 .find('div').html(opts.loading.finishedMsg).animate({ opacity: 1 }, 2000, function () { 492 $(this).parent().fadeOut(opts.loading.speed); 493 }); 494 495 // user provided callback when done 496 opts.errorCallback.call($(opts.contentSelector)[0],'done'); 497 }, 498 499 // grab each selector option and see if any fail 500 _validate: function infscr_validate(opts) { 501 for (var key in opts) { 502 if (key.indexOf && key.indexOf('Selector') > -1 && $(opts[key]).length === 0) { 503 this._debug('Your ' + key + ' found no elements.'); 504 return false; 505 } 506 } 507 508 return true; 509 }, 510 511 /* 512 ---------------------------- 513 Public methods 514 ---------------------------- 515 */ 516 517 // Bind to scroll 518 bind: function infscr_bind() { 519 this._binding('bind'); 520 }, 521 522 // Destroy current instance of plugin 523 destroy: function infscr_destroy() { 524 this.options.state.isDestroyed = true; 525 this.options.loading.finished(); 526 return this._error('destroy'); 527 }, 528 529 // Set pause value to false 530 pause: function infscr_pause() { 531 this._pausing('pause'); 532 }, 533 534 // Set pause value to false 535 resume: function infscr_resume() { 536 this._pausing('resume'); 537 }, 538 539 beginAjax: function infscr_ajax(opts) { 540 var instance = this, 541 path = opts.path, 542 box, desturl, method, condition; 543 544 // increment the URL bit. e.g. /page/3/ 545 opts.state.currPage++; 546 547 // Manually control maximum page 548 if ( opts.maxPage !== undefined && opts.state.currPage > opts.maxPage ){ 549 opts.state.isBeyondMaxPage = true; 550 this.destroy(); 551 return; 552 } 553 554 // if we're dealing with a table we can't use DIVs 555 box = $(opts.contentSelector).is('table, tbody') ? $('<tbody/>') : $('<div/>'); 556 557 desturl = (typeof path === 'function') ? path(opts.state.currPage) : path.join(opts.state.currPage); 558 instance._debug('heading into ajax', desturl); 559 560 method = (opts.dataType === 'html' || opts.dataType === 'json' ) ? opts.dataType : 'html+callback'; 561 if (opts.appendCallback && opts.dataType === 'html') { 562 method += '+callback'; 563 } 564 565 switch (method) { 566 case 'html+callback': 567 instance._debug('Using HTML via .load() method'); 568 box.load(desturl + ' ' + opts.itemSelector, undefined, function infscr_ajax_callback(responseText) { 569 instance._loadcallback(box, responseText, desturl); 570 }); 571 572 break; 573 574 case 'html': 575 instance._debug('Using ' + (method.toUpperCase()) + ' via $.ajax() method'); 576 $.ajax({ 577 // params 578 url: desturl, 579 dataType: opts.dataType, 580 complete: function infscr_ajax_callback(jqXHR, textStatus) { 581 condition = (typeof (jqXHR.isResolved) !== 'undefined') ? (jqXHR.isResolved()) : (textStatus === "success" || textStatus === "
581notmodified"); 582 if (condition) { 583 instance._loadcallback(box, jqXHR.responseText, desturl); 584 } else { 585 instance._error('end'); 586 } 587 } 588 }); 589 590 break; 591 case 'json': 592 instance._debug('Using ' + (method.toUpperCase()) + ' via $.ajax() method'); 593 $.ajax({ 594 dataType: 'json', 595 type: 'GET', 596 url: desturl, 597 success: function (data, textStatus, jqXHR) { 598 condition = (typeof (jqXHR.isResolved) !== 'undefined') ? (jqXHR.isResolved()) : (textStatus === "success" || textStatus === "notmodified"); 599 if (opts.appendCallback) { 600 // if appendCallback is true, you must defined template in options. 601 // note that data passed into _loadcallback is already an html (after processed in opts.template(data)). 602 if (opts.template !== undefined) { 603 var theData = opts.template(data); 604 box.append(theData); 605 if (condition) { 606 instance._loadcallback(box, theData); 607 } else { 608 instance._error('end'); 609 } 610 } else { 611 instance._debug("template must be defined."); 612 instance._error('end'); 613 } 614 } else { 615 // if appendCallback is false, we will pass in the JSON object. you should handle it yourself in your callback. 616 if (condition) { 617 instance._loadcallback(box, data, desturl); 618 } else { 619 instance._error('end'); 620 } 621 } 622 }, 623 error: function() { 624 instance._debug("JSON ajax request failed."); 625 instance._error('end'); 626 } 627 }); 628 629 break; 630 } 631 }, 632 633 // Retrieve next set of content items 634 retrieve: function infscr_retrieve(pageNum) { 635 pageNum = pageNum || null; 636 637 var instance = this, 638 opts = instance.options; 639 640 // if behavior is defined and this function is extended, call that instead of default 641 if (!!opts.behavior && this['retrieve_'+opts.behavior] !== undefined) { 642 this['retrieve_'+opts.behavior].call(this,pageNum); 643 return; 644 } 645 646 // for manual triggers, if destroyed, get out of here 647 if (opts.state.isDestroyed) { 648 this._debug('Instance is destroyed'); 649 return false; 650 } 651 652 // we dont want to fire the ajax multiple times 653 opts.state.isDuringAjax = true; 654 655 opts.loading.start.call($(opts.contentSelector)[0],opts); 656 }, 657 658 // Check to see next page is needed 659 scroll: function infscr_scroll() { 660 661 var opts = this.options, 662 state = opts.state; 663 664 // if behavior is defined and this function is extended, call that instead of default 665 if (!!opts.behavior && this['scroll_'+opts.behavior] !== undefined) { 666 this['scroll_'+opts.behavior].call(this); 667 return; 668 } 669 670 if (state.isDuringAjax || state.isInvalidPage || state.isDone || state.isDestroyed || state.isPaused) { 671 return; 672 } 673 674 if (!this._nearbottom()) { 675 return; 676 } 677 678 this.retrieve(); 679 680 }, 681 682 // Toggle pause value 683 toggle: function infscr_toggle() { 684 this._pausing(); 685 }, 686 687 // Unbind from scroll 688 unbind: function infscr_unbind() { 689 this._binding('unbind'); 690 }, 691 692 // update options 693 update: function infscr_options(key) { 694 if ($.isPlainObject(key)) { 695 this.options = $.extend(true,this.options,key); 696 } 697 } 698 }; 699 700 701 /* 702 ---------------------------- 703 Infinite Scroll function 704 ---------------------------- 705 706 Borrowed logic from the following... 707 708 jQuery UI 709 - https://github.com/jquery/jquery-ui/blob/master/ui/jquery.ui.widget.js 710 711 jCarousel 712 - https://github.com/jsor/jcarousel/blob/master/lib/jquery.jcarou
712sel.js 713 714 Masonry 715 - https://github.com/desandro/masonry/blob/master/jquery.masonry.js 716 717*/ 718 719 $.fn.infinitescroll = function infscr_init(options, callback) { 720 721 722 var thisCall = typeof options; 723 724 switch (thisCall) { 725 726 // method 727 case 'string': 728 var args = Array.prototype.slice.call(arguments, 1); 729 730 this.each(function () { 731 var instance = $.data(this, 'infinitescroll'); 732 733 if (!instance) { 734 // not setup yet 735 // return $.error('Method ' + options + ' cannot be called until Infinite Scroll is setup'); 736 return false; 737 } 738 739 if (!$.isFunction(instance[options]) || options.charAt(0) === "_") { 740 // return $.error('No such method ' + options + ' for Infinite Scroll'); 741 return false; 742 } 743 744 // no errors! 745 instance[options].apply(instance, args); 746 }); 747 748 break; 749 750 // creation 751 case 'object': 752 753 this.each(function () { 754 755 var instance = $.data(this, 'infinitescroll'); 756 757 if (instance) { 758 759 // update options of current instance 760 instance.update(options); 761 762 } else { 763 764 // initialize new instance 765 instance = new $.infinitescroll(options, callback, this); 766 767 // don't attach if instantiation failed 768 if (!instance.failed) { 769 $.data(this, 'infinitescroll', instance); 770 } 771 772 } 773 774 }); 775 776 break; 777 778 } 779 780 return this; 781 }; 782 783 784 785 /* 786 * smartscroll: debounced scroll event for jQuery * 787 * https://github.com/lukeshumard/smartscroll 788 * Based on smartresize by @louis_remi: https://github.com/lrbabe/jquery.smartresize.js * 789 * Copyright 2011 Louis-Remi & Luke Shumard * Licensed under the MIT license. * 790 */ 791 792 var event = $.event, 793 scrollTimeout; 794 795 event.special.smartscroll = { 796 setup: function () { 797 $(this).bind("scroll", event.special.smartscroll.handler); 798 }, 799 teardown: function () { 800 $(this).unbind("scroll", event.special.smartscroll.handler); 801 }, 802 handler: function (event, execAsap) { 803 // Save the context 804 var context = this, 805 args = arguments; 806 807 // set correct event type 808 event.type = "smartscroll"; 809 810 if (scrollTimeout) { clearTimeout(scrollTimeout); } 811 scrollTimeout = setTimeout(function () { 812 $(context).trigger('smartscroll', args); 813 }, execAsap === "execAsap" ? 0 : 100); 814 } 815 }; 816 817 $.fn.smartscroll = function (fn) { 818 return fn ? this.bind("smartscroll", fn) : this.trigger("smartscroll", ["execAsap"]); 819 }; 820 821}));
Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.