1/*global jQuery: true */ 2 3/*! 4 -------------------------------- 5 Infinite Scroll 6 -------------------------------- 7 + https://github.com/paulirish/infinite-scroll 8 + version 2.1.0 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,url); 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 } 357 358 // if it didn't return anything 359 if (data.length === 0) { 360 return this._error('end'); 361 } 362 363 break; 364 365 case 'append': 366 var children = box.children(); 367 // if it didn't return anything 368 if (children.length === 0) { 369 return this._error('end'); 370 } 371 372 // use a documentFragment because it works when content is going into a table or UL 373 frag = document.createDocumentFragment(); 374 while (box[0].firstChild) { 375 frag.appendChild(box[0].firstChild); 376 } 377 378 this._debug('contentSelector', $(opts.contentSelector)[0]); 379 $(opts.contentSelector)[0].appendChild(frag); 380 // previously, we would pass in the new DOM element as context for the callback 381 // however we're now using a documentfragment, which doesn't have parents or children, 382 // so the context is the contentContainer guy, and we pass in an array 383 // of the elements collected as the first argument. 384 385 data = children.get(); 386 break; 387 } 388 389 // loadingEnd function 390 opts.loading.finished.call($(opts.contentSelector)[0],opts); 391 392 // smooth scroll to ease in the new content 393 if (opts.animate) { 394 var scrollTo = $(window).scrollTop() + $(opts.loading.msg).height() + opts.extraScrollPx + 'px'; 395 $('html,body').animate({ scrollTop: scrollTo }, 800, function () { opts.state.isDuringAjax = false; }); 396 } 397 398 if (!opts.animate) { 399 // once the call is done, we can allow it again. 400 opts.state.isDuringAjax = false;
401 } 402 403 callback(this, data, url); 404 405 if (opts.prefill) { 406 this._prefill(); 407 } 408 }, 409 410 _nearbottom: function infscr_nearbottom() { 411 412 var opts = this.options, 413 pixelsFromWindowBottomToBottom = 0 + $(document).height() - (opts.binder.scrollTop()) - $(window).height(); 414 415 // if behavior is defined and this function is extended, call that instead of default 416 if (!!opts.behavior && this['_nearbottom_'+opts.behavior] !== undefined) { 417 return this['_nearbottom_'+opts.behavior].call(this); 418 } 419 420 this._debug('math:', pixelsFromWindowBottomToBottom, opts.pixelsFromNavToBottom); 421 422 // if distance remaining in the scroll (including buffer) is less than the orignal nav to bottom.... 423 return (pixelsFromWindowBottomToBottom - opts.bufferPx < opts.pixelsFromNavToBottom); 424 425 }, 426 427 // Pause / temporarily disable plugin from firing 428 _pausing: function infscr_pausing(pause) { 429 430 var opts = this.options; 431 432 // if behavior is defined and this function is extended, call that instead of default 433 if (!!opts.behavior && this['_pausing_'+opts.behavior] !== undefined) { 434 this['_pausing_'+opts.behavior].call(this,pause); 435 return; 436 } 437 438 // If pause is not 'pause' or 'resume', toggle it's value 439 if (pause !== 'pause' && pause !== 'resume' && pause !== null) { 440 this._debug('Invalid argument. Toggling pause value instead'); 441 } 442 443 pause = (pause && (pause === 'pause' || pause === 'resume')) ? pause : 'toggle'; 444 445 switch (pause) { 446 case 'pause': 447 opts.state.isPaused = true; 448 break; 449 450 case 'resume': 451 opts.state.isPaused = false; 452 break; 453 454 case 'toggle': 455 opts.state.isPaused = !opts.state.isPaused; 456 break; 457 } 458 459 this._debug('Paused', opts.state.isPaused); 460 return false; 461 462 }, 463 464 // Behavior is determined 465 // If the behavior option is undefined, it will set to default and bind to scroll 466 _setup: function infscr_setup() { 467 468 var opts = this.options; 469 470 // if behavior is defined and this function is extended, call that instead of default 471 if (!!opts.behavior && this['_setup_'+opts.behavior] !== undefined) { 472 this['_setup_'+opts.behavior].call(this); 473 return; 474 } 475 476 this._binding('bind'); 477 478 return false; 479 480 }, 481 482 // Show done message 483 _showdonemsg: function infscr_showdonemsg() { 484 485 var opts = this.options; 486 487 // if behavior is defined and this function is extended, call that instead of default 488 if (!!opts.behavior && this['_showdonemsg_'+opts.behavior] !== undefined) { 489 this['_showdonemsg_'+opts.behavior].call(this); 490 return; 491 } 492 493 opts.loading.msg 494 .find('img') 495 .hide(); 496 // Separem les accions xq sigui més flexible!!! no cal img 497 opts.loading.msg 498 .find('div').html(opts.loading.finishedMsg).animate({ opacity: 1 }, 2000, function () { 499 $(this).parent().fadeOut(opts.loading.speed); 500 }); 501 502 // user provided callback when done 503 opts.errorCallback.call($(opts.contentSelector)[0],'done'); 504 }, 505 506 // grab each selector option and see if any fail 507 _validate: function infscr_validate(opts) { 508 for (var key in opts) { 509 if (key.indexOf && key.indexOf('Selector') > -1 && $(opts[key]).length === 0) { 510 this._debug('Your ' + key + ' found no elements.'); 511 return false; 512 } 513 } 514 515 return true; 516 }, 517 518 /* 519 ---------------------------- 520 Public methods 521 ---------------------------- 522 */ 523 524 // Bind to scroll 525 bind: function infscr_bind() { 526 this._binding('bind'); 527 }, 528 529 // Destroy current instance of plugin 530 destroy: function infscr_destroy() { 531 this.options.state.isDestroyed = true; 532 this.options.loading.finished(); 533 return this._error('destroy'); 534 }, 535 536 // Set pause value to false 537 pause: function infscr_pause() { 538 this._pausing('pause'); 539 }, 540 541 // Set pause value to false 542 resume: function infscr_resume() { 543 this._pausing('resume'); 544 }, 545 546 beginAjax: function infscr_ajax(opts) { 547 var instance = this, 548 path = opts.path, 549 box, desturl, method, condition; 550 551 // increment the URL bit. e.g. /page/3/ 552 opts.state.currPage++; 553 554 // Manually control maximum page 555 if ( opts.maxPage !== undefined && opts.state.currPage > opts.maxPage ){ 556 opts.state.isBeyondMaxPage = true; 557 this.destroy(); 558 return; 559 } 560 561 // if we're dealing with a table we can't use DIVs 562 box = $(opts.contentSelector).is('table, tbody') ? $('<tbody/>') : $('<div/>'); 563 564 desturl = (typeof path === 'function') ? path(opts.state.currPage) : path.join(opts.state.currPage); 565 instance._debug('heading into ajax', desturl); 566 567 method = (opts.dataType === 'html' || opts.dataType === 'json' ) ? opts.dataType : 'html+callback'; 568 if (opts.appendCallback && opts.dataType === 'html') { 569 method += '+callback'; 570 } 571 572 switch (method) { 573 case 'html+callback': 574 instance._debug('Using HTML via .load() method'); 575 box.load(desturl + ' ' + opts.itemSelector, undefined, function infscr_ajax_callback(responseText) { 576 instance._loadcallback(box, responseText, desturl); 577 }); 578 579 break; 580 581 case 'html': 582 instance._debug('Using ' + (method.toUpperCase()) + ' via $.ajax() method'); 583 $.ajax({ 584 // params 585 url: desturl, 586 dataType: opts.dataType, 587 complete: function infscr_ajax_callback(jqXHR, textStatus) { 588 condition = (typeof (jqXHR.isResolved) !== 'undefined') ? (jqXHR.isResolved()) : (textStatus === 'success' || textStatus === 'notmodified'); 589 if (condition) { 590 instance._loadcallback(box, jqXHR.responseText, desturl); 591 } else { 592 instance._error('end'); 593 } 594 } 595 }); 596 597 break; 598 case 'json': 599 instance._debug('Using ' + (method.toUpperCase()) + ' via $.ajax() method'); 600 $.ajax({ 601 dataType: 'json', 602 type: 'GET', 603 url: desturl, 604 success: function (data, textStatus, jqXHR) { 605 condition = (typeof (jqXHR.isResolved) !== 'undefined') ? (jqXHR.isResolved()) : (textStatus === 'success' || textStatus === 'notmodified'); 606 if (opts.appendCallback) { 607 // if appendCallback is true, you must defined template in options. 608 // note that data passed into _loadcallback is already an html (after processed in opts.template(data)). 609 if (opts.template !== undefined) { 610 var theData = opts.template(data); 611 box.append(theData); 612 if (condition) { 613 instance._loadcallback(box, theData); 614 } else { 615 instance._error('end'); 616 } 617 } else { 618 instance._debug('template must be defined.'); 619 instance._error('end'); 620 } 621 } else { 622 // if appendCallback is false, we will pass in the JSON object. you should handle it yourself in your callback. 623 if (condition) { 624 instance._loadcallback(box, data, desturl); 625 } else { 626 instance._error('end'); 627 } 628 } 629 }, 630 error: function() { 631 instance._debug('JSON ajax request failed.'); 632 instance._error('end'); 633 } 634 }); 635 636 break; 637 } 638 }, 639 640 // Retrieve next set of content items 641 retrieve: function infscr_retrieve(pageNum) { 642 pageNum = pageNum || null; 643 644 var instance = this, 645 opts = instance.options; 646 647 // if behavior is defined and this function is extended, call that instead of default 648 if (!!opts.behavior && this['retrieve_'+opts.behavior] !== undefined) { 649 this['retrieve_'+opts.behavior].call(this,pageNum); 650 return; 651 } 652 653 // for manual triggers, if destroyed, get out of here 654 if (opts.state.isDestroyed) { 655 this._debug('Instance is destroyed'); 656 return false;
657 } 658 659 // we dont want to fire the ajax multiple times 660 opts.state.isDuringAjax = true; 661 662 opts.loading.start.call($(opts.contentSelector)[0],opts); 663 }, 664 665 // Check to see next page is needed 666 scroll: function infscr_scroll() { 667 668 var opts = this.options, 669 state = opts.state; 670 671 // if behavior is defined and this function is extended, call that instead of default 672 if (!!opts.behavior && this['scroll_'+opts.behavior] !== undefined) { 673 this['scroll_'+opts.behavior].call(this); 674 return; 675 } 676 677 if (state.isDuringAjax || state.isInvalidPage || state.isDone || state.isDestroyed || state.isPaused) { 678 return; 679 } 680 681 if (!this._nearbottom()) { 682 return; 683 } 684 685 this.retrieve(); 686 687 }, 688 689 // Toggle pause value 690 toggle: function infscr_toggle() { 691 this._pausing(); 692 }, 693 694 // Unbind from scroll 695 unbind: function infscr_unbind() { 696 this._binding('unbind'); 697 }, 698 699 // update options 700 update: function infscr_options(key) { 701 if ($.isPlainObject(key)) { 702 this.options = $.extend(true,this.options,key); 703 } 704 } 705 }; 706 707 708 /* 709 ---------------------------- 710 Infinite Scroll function 711 ---------------------------- 712 713 Borrowed logic from the following... 714 715 jQuery UI 716 - https://github.com/jquery/jquery-ui/blob/master/ui/jquery.ui.widget.js 717 718 jCarousel 719 - https://github.com/jsor/jcarousel/blob/master/lib/jquery.jcarousel.js 720 721 Masonry 722 - https://github.com/desandro/masonry/blob/master/jquery.masonry.js 723 724*/ 725 726 $.fn.infinitescroll = function infscr_init(options, callback) { 727 728 729 var thisCall = typeof options; 730 731 switch (thisCall) { 732 733 // method 734 case 'string': 735 var args = Array.prototype.slice.call(arguments, 1); 736 737 this.each(function () { 738 var instance = $.data(this, 'infinitescroll'); 739 740 if (!instance) { 741 // not setup yet 742 // return $.error('Method ' + options + ' cannot be called until Infinite Scroll is setup'); 743 return false; 744 } 745 746 if (!$.isFunction(instance[options]) || options.charAt(0) === '_') { 747 // return $.error('No such method ' + options + ' for Infinite Scroll'); 748 return false; 749 } 750 751 // no errors! 752 instance[options].apply(instance, args); 753 }); 754 755 break; 756 757 // creation 758 case 'object': 759 760 this.each(function () { 761 762 var instance = $.data(this, 'infinitescroll'); 763 764 if (instance) { 765 766 // update options of current instance 767 instance.update(options); 768 769 } else { 770 771 // initialize new instance 772 instance = new $.infinitescroll(options, callback, this); 773 774 // don't attach if instantiation failed 775 if (!instance.failed) { 776 $.data(this, 'infinitescroll', instance); 777 } 778 779 } 780 781 }); 782 783 break; 784 785 } 786 787 return this; 788 }; 789 790 791 792 /* 793 * smartscroll: debounced scroll event for jQuery * 794 * https://github.com/lukeshumard/smartscroll 795 * Based on smartresize by @louis_remi: https://github.com/lrbabe/jquery.smartresize.js * 796 * Copyright 2011 Louis-Remi & Luke Shumard * Licensed under the MIT license. * 797 */ 798 799 var event = $.event, 800 scrollTimeout; 801 802 event.special.smartscroll = { 803 setup: function () { 804 $(this).bind('scroll', event.special.smartscroll.handler); 805 }, 806 teardown: function () { 807 $(this).unbind('scroll', event.special.smartscroll.handler); 808 }, 809 handler: function (event, execAsap) { 810 // Save the context 811 var context = this, 812 args = arguments; 813 814 // set correct event type 815 event.type = 'smartscroll'; 816 817 if (scrollTimeout) { clearTimeout(scrollTimeout); } 818 scrollTimeout = setTimeout(function () { 819 $(context).trigger('smartscroll', args); 820 }, execAsap === 'execAsap' ? 0 : 100); 821 } 822 }; 823 824 $.fn.smartscroll = function (fn) {
825 return fn ? this.bind('smartscroll', fn) : this.trigger('smartscroll', ['execAsap']); 826 }; 827 828}));
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.