1/* 2 _ _ _____ _ _ 3 | | | __ \ | | (_) 4 ___ ___ _ __ ___ | | | |__) |_____ _____ __ _| | _ ___ 5 / __|/ __| '__/ _ \| | | _ // _ \ \ / / _ \/ _` | | | / __| 6 \__ \ (__| | | (_) | | | | \ \ __/\ V / __/ (_| | |_| \__ \ 7 |___/\___|_| \___/|_|_|_| \_\___| \_/ \___|\__,_|_(_) |___/ v2.3.2 8 _/ | 9 |__/ 10 11================================================================================ 12 13 scrollReveal.js (c) 2015 Julian Lloyd ( @julianlloyd ) 14 Licensed under MIT ( http://www.opensource.org/licenses/mit-license.php ) 15 16==============================================================================*/ 17 18window.scrollReveal = (function( window ){ 19 20 'use strict'; 21 22 var _requestAnimFrame; 23 var _extend; 24 var _handler; 25 var self; 26 27 function scrollReveal( config ){ 28 29 if ( !( this instanceof scrollReveal ) ) { 30 return new scrollReveal( config ); 31 } 32 33 self = this; 34 self.elems = {}; 35 self.serial = 1; 36 self.blocked = false; 37 self.config = _extend( self.defaults, config ); 38 39 if ( self.isMobile() && !self.config.mobile || !self.isSupported() ){ 40 self.destroy(); 41 return; 42 } 43 44 if ( self.config.viewport === window.document.documentElement ){ 45 46 window.addEventListener( 'scroll', _handler, false ); 47 window.addEventListener( 'resize', _handler, false ); 48 49 } else { 50 self.config.viewport.addEventListener( 'scroll', _handler, false ); 51 } 52 53 self.init( true ); 54 } 55 56 scrollReveal.prototype = { 57 58 defaults: { 59 60 enter: 'bottom', 61 move: '8px', 62 over: '0.6s', 63 wait: '0s', 64 easing: 'ease', 65 66 scale: { direction: 'up', power: '5%' }, 67 rotate: { x: 0, y: 0, z: 0 }, 68 69 opacity: 0, 70 mobile: false, 71 reset: false, 72 73 // Expects a reference to a DOM node (the <html> node by default) 74 // which is used as the context when checking element visibility. 75 viewport: window.document.documentElement, 76 77 // 'always' â delay every time an animation resets 78 // 'onload' - delay only for animations triggered by first load 79 // 'once' â delay only the first time an animation reveals 80 delay: 'once', 81 82 // vFactor changes when an element is considered in the viewport. 83 // The default value of 0.60 means 60% of an element must be 84 // visible for its reveal animation to trigger. 85 vFactor: 0.60, 86 87 complete: function( el ){} // Note: reset animations do not complete. 88 }, 89 90 // Queries the DOM, builds scrollReveal elements and triggers animation. 91 // @param {boolean} flag â a hook for controlling delay on first load. 92 init: function( flag ){ 93 94 var serial; 95 var elem; 96 var query; 97 98 query = Array.prototype.slice.call( self.config.viewport.querySelectorAll('[data-sr]') ); 99 query.forEach(function( el ){ 100 101 serial = self.serial++; 102 elem = self.elems[ serial ] = { domEl: el }; 103 elem.config = self.configFactory( elem ); 104 elem.styles = self.styleFactory( elem ); 105 elem.seen = false; 106 107 el.removeAttribute('data-sr'); 108 109 el.setAttribute( 'style', 110 elem.styles.inline 111 + elem.styles.initial 112 ); 113 }) 114 115 self.scrolled = self.scrollY(); 116 self.animate( flag ); 117 }, 118 119 // Applies and removes appropriate styles. 120 // @param {boolean} flag â a hook for controlling delay on first load. 121 animate: function( flag ){ 122 123 var key; 124 var elem; 125 var visible; 126 127 // Begin element store digest. 128 for ( key in self.elems ){ 129 if ( self.elems.hasOwnProperty( key ) ){ 130 131 elem = self.elems[ key ]; 132 visible = self.isElemInViewport( elem ); 133 134 if ( visible ){ 135 136 if ( self.config.delay === 'always' 137 || ( self.config.delay === 'onload' && flag ) 138 || ( self.config.delay === 'once' && !elem.seen ) ){ 139 140 // Use delay. 141 elem.domEl.setAttribute( 'style', 142 elem.styles.inline 143 + elem.styles.target 144 + elem.styles.transition 145 ); 146 147 } else { 148 149 // Donât use delay. 150 elem.domEl.setAttribute( 'style', 151 elem.styles.inline 152 + elem.styles.target 153 + elem.styles.reset 154 ); 155 } 156 157 elem.seen = true; 158 159 if ( !elem.config.reset && !elem.animating ){ 160 elem.animating = true; 161 complete( key ); 162 } 163 164 } else if ( !visible && elem.config.reset ){ 165 166 elem.domEl.setAttribute( 'style', 167 elem.styles.inline 168 + elem.styles.initial 169 + elem.styles.reset 170 ); 171 } 172 } 173 } 174 175 // Digest complete, now un-block the event handler. 176 self.blocked = false;
177 178 // Cleans the DOM and removes completed elements from self.elems. 179 // @param {integer} key â self.elems property key. 180 function complete( key ){ 181 182 var elem = self.elems[ key ]; 183 184 setTimeout(function(){ 185 186 elem.domEl.setAttribute( 'style', elem.styles.inline ); 187 elem.config.complete( elem.domEl ); 188 delete self.elems[ key ]; 189 190 }, elem.styles.duration ); 191 } 192 }, 193 194 // Parses an elements data-sr attribute, and returns a configuration object. 195 // @param {object} elem â An object from self.elems. 196 // @return {object} 197 configFactory: function( elem ){ 198 199 var parsed = {}; 200 var config = {}; 201 var words = elem.domEl.getAttribute('data-sr').split( /[, ]+/ ); 202 203 words.forEach(function( keyword, i ){ 204 switch ( keyword ){ 205 206 case 'enter': 207 208 parsed.enter = words[ i + 1 ]; 209 break; 210 211 case 'wait': 212 213 parsed.wait = words[ i + 1 ]; 214 break; 215 216 case 'move': 217 218 parsed.move = words[ i + 1 ]; 219 break; 220 221 case 'ease': 222 223 parsed.move = words[ i + 1 ]; 224 parsed.ease = 'ease'; 225 break; 226 227 case 'ease-in': 228 229 if ( words[ i + 1 ] == 'up' || words[ i + 1 ] == 'down' ){ 230 231 parsed.scale.direction = words[ i + 1 ]; 232 parsed.scale.power = words[ i + 2 ]; 233 parsed.easing = 'ease-in'; 234 break; 235 } 236 237 parsed.move = words[ i + 1 ]; 238 parsed.easing = 'ease-in'; 239 break; 240 241 case 'ease-in-out': 242 243 if ( words[ i + 1 ] == 'up' || words[ i + 1 ] == 'down' ){ 244 245 parsed.scale.direction = words[ i + 1 ]; 246 parsed.scale.power = words[ i + 2 ]; 247 parsed.easing = 'ease-in-out'; 248 break; 249 } 250 251 parsed.move = words[ i + 1 ]; 252 parsed.easing = 'ease-in-out'; 253 break; 254 255 case 'ease-out': 256 257 if ( words[ i + 1 ] == 'up' || words[ i + 1 ] == 'down' ){ 258 259 parsed.scale.direction = words[ i + 1 ]; 260 parsed.scale.power = words[ i + 2 ]; 261 parsed.easing = 'ease-out'; 262 break; 263 } 264 265 parsed.move = words[ i + 1 ]; 266 parsed.easing = 'ease-out'; 267 break; 268 269 case 'hustle': 270 271 if ( words[ i + 1 ] == 'up' || words[ i + 1 ] == 'down' ){ 272 273 parsed.scale.direction = words[ i + 1 ]; 274 parsed.scale.power = words[ i + 2 ]; 275 parsed.easing = 'cubic-bezier( 0.6, 0.2, 0.1, 1 )'; 276 break; 277 } 278 279 parsed.move = words[ i + 1 ]; 280 parsed.easing = 'cubic-bezier( 0.6, 0.2, 0.1, 1 )'; 281 break; 282 283 case 'over': 284 285 parsed.over = words[ i + 1 ]; 286 break; 287 288 case 'flip': 289 case 'pitch': 290 parsed.rotate = parsed.rotate || {}; 291 parsed.rotate.x = words[ i + 1 ]; 292 break; 293 294 case 'spin': 295 case 'yaw': 296 parsed.rotate = parsed.rotate || {}; 297 parsed.rotate.y = words[ i + 1 ]; 298 break; 299 300 case 'roll': 301 parsed.rotate = parsed.rotate || {}; 302 parsed.rotate.z = words[ i + 1 ]; 303 break; 304 305 case 'reset': 306 307 if ( words[ i - 1 ] == 'no' ){ 308 parsed.reset = false; 309 } else { 310 parsed.reset = true; 311 } 312 break; 313 314 case 'scale': 315 316 parsed.scale = {}; 317 318 if ( words[ i + 1 ] == 'up' || words[ i + 1 ] == 'down' ){ 319 320 parsed.scale.direction = words[ i + 1 ]; 321 parsed.scale.power = words[ i + 2 ]; 322 break; 323 } 324 325 parsed.scale.power = words[ i + 1 ]; 326 break; 327 328 case 'vFactor': 329 case 'vF': 330 parsed.vFactor = words[ i + 1 ]; 331 break; 332 333 case 'opacity': 334 parsed.opacity = words[ i + 1 ]; 335 break; 336 337 default: 338 return; 339 } 340 }); 341 342 // Build default config object, then apply any keywords parsed from the 343 // data-sr attribute. 344 config = _extend( config, self.config ); 345 config = _extend( config, parsed ); 346 347 if ( config.enter === 'top' || config.enter === 'bottom' ){ 348 config.axis = 'Y'; 349 } else if ( config.enter === 'left' || config.enter === 'right' ){ 350 config.axis = 'X'; 351 } 352 353 // Letâs make sure our our pixel distances are negative for top and left. 354 // e.g. "enter top and move 25px" starts at 'top: -25px' in CSS. 355 if ( config.enter === 'top' || config.enter === 'left' ){ 356 config.move = '-' + config.move; 357 } 358 359 return config; 360 }, 361 362 // Generates styles based on an elements configuration property. 363 // @param {object} elem â An object from self.elems. 364 // @return {object} 365 styleFactory: function( elem ){ 366 367 var inline; 368 var initial; 369 var reset; 370 var target; 371 var transition; 372 373 var cfg = elem.config; 374 var duration = ( parseFloat( cfg.over ) + parseFloat( cfg.wait ) ) * 1000; 375 376 // Want to disable delay on mobile devices? Uncomment the line below. 377 // if ( self.isMobile() && self.config.mobile ) cfg.wait = 0; 378 379 if ( elem.domEl.getAttribute('style') ){ 380 inline = elem.domEl.getAttribute('style') + '; visibility: visible; '; 381 } else { 382 inline = 'visibility: visible; '; 383 } 384 385 transition = '-webkit-transition: -webkit-transform ' + cfg.over + ' ' + cfg.easing + ' ' + cfg.wait + ', opacity ' + cfg.over + ' ' + cfg.easing + ' ' + cfg.wait + '; ' + 386 'transition: transform ' + cfg.over + ' ' + cfg.easing + ' ' + cfg.wait + ', opacity ' + cfg.over + ' ' + cfg.easing + ' ' + cfg.wait + '; ' +
387 '-webkit-perspective: 1000;' + 388 '-webkit-backface-visibility: hidden;'; 389 390 reset = '-webkit-transition: -webkit-transform ' + cfg.over + ' ' + cfg.easing + ' 0s, opacity ' + cfg.over + ' ' + cfg.easing + ' 0s; ' + 391 'transition: transform ' + cfg.over + ' ' + cfg.easing + ' 0s, opacity ' + cfg.over + ' ' + cfg.easing + ' 0s; ' + 392 '-webkit-perspective: 1000; ' + 393 '-webkit-backface-visibility: hidden; '; 394 395 initial = 'transform:'; 396 target = 'transform:'; 397 build(); 398 399 // Build again for webkit⦠400 initial += '-webkit-transform:'; 401 target += '-webkit-transform:'; 402 build(); 403 404 return { 405 transition: transition, 406 initial: initial, 407 target: target, 408 reset: reset, 409 inline: inline, 410 duration: duration 411 }; 412 413 // Constructs initial and target styles. 414 function build(){ 415 416 if ( parseInt( cfg.move ) !== 0 ){ 417 initial += ' translate' + cfg.axis + '(' + cfg.move + ')'; 418 target += ' translate' + cfg.axis + '(0)'; 419 } 420 421 if ( parseInt( cfg.scale.power ) !== 0 ){ 422 423 if ( cfg.scale.direction === 'up' ){ 424 cfg.scale.value = 1 - ( parseFloat( cfg.scale.power ) * 0.01 ); 425 } else if ( cfg.scale.direction === 'down' ){ 426 cfg.scale.value = 1 + ( parseFloat( cfg.scale.power ) * 0.01 ); 427 } 428 429 initial += ' scale(' + cfg.scale.value + ')'; 430 target += ' scale(1)'; 431 } 432 433 if ( cfg.rotate.x ){ 434 initial += ' rotateX(' + cfg.rotate.x + ')'; 435 target += ' rotateX(0)'; 436 } 437 438 if ( cfg.rotate.y ){ 439 initial += ' rotateY(' + cfg.rotate.y + ')'; 440 target += ' rotateY(0)'; 441 } 442 443 if ( cfg.rotate.z ){ 444 initial += ' rotateZ(' + cfg.rotate.z + ')'; 445 target += ' rotateZ(0)'; 446 } 447 448 initial += '; opacity: ' + cfg.opacity + '; '; 449 target += '; opacity: 1; '; 450 } 451 }, 452 453 getViewportH: function(){ 454 455 var client = self.config.viewport['clientHeight']; 456 var inner = window['innerHeight']; 457 458 if ( self.config.viewport === window.document.documentElement ){ 459 return ( client < inner ) ? inner : client; 460 } 461 462 return client; 463 }, 464 465 scrollY: function(){ 466 if ( self.config.viewport === window.document.documentElement ){ 467 return window.pageYOffset; 468 } else { 469 return self.config.viewport.scrollTop + self.config.viewport.offsetTop; 470 } 471 }, 472 473 getOffset: function( el ){ 474 475 var offsetTop = 0; 476 var offsetLeft = 0; 477 478 do { 479 if ( !isNaN( el.offsetTop ) ){ 480 offsetTop += el.offsetTop; 481 } 482 if ( !isNaN( el.offsetLeft ) ){ 483 offsetLeft += el.offsetLeft; 484 } 485 } while ( el = el.offsetParent ); 486 487 return { 488 top: offsetTop, 489 left: offsetLeft 490 }; 491 }, 492 493 isElemInViewport: function( elem ){ 494 495 var elHeight = elem.domEl.offsetHeight; 496 var elTop = self.getOffset( elem.domEl ).top; 497 var elBottom = elTop + elHeight; 498 var vFactor = elem.config.vFactor || 0; 499 500 return ( confirmBounds() || isPositionFixed() ); 501 502 function confirmBounds(){ 503 504 var top = elTop + elHeight * vFactor; 505 var bottom = elBottom - elHeight * vFactor; 506 var viewBottom = self.scrolled + self.getViewportH(); 507 var viewTop = self.scrolled; 508 509 return ( top < viewBottom ) && ( bottom > viewTop ); 510 } 511 512 function isPositionFixed(){ 513 514 var el = elem.domEl; 515 var style = el.currentStyle || window.getComputedStyle( el, null ); 516 517 return style.position === 'fixed'; 518 } 519 }, 520 521 isMobile: function(){ 522 523 var agent = navigator.userAgent || navigator.vendor || window.opera; 524 525 return (/(ipad|playbook|silk|android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i.test( agent )||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|
525sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test( agent.substr( 0, 4 ))) ? true : false; 526 }, 527 528 isSupported: function(){ 529 530 var sensor = document.createElement('sensor'); 531 var cssPrefix = 'Webkit,Moz,O,'.split(','); 532 var tests = ( 'transition ' + cssPrefix.join('transition,') ).split(','); 533 534 for ( var i = 0; i < tests.length; i++ ){ 535 if ( !sensor.style[tests[i]] === '' ){ 536 return false; 537 } 538 } 539 540 return true; 541 }, 542 543 destroy: function(){ 544 545 var node = self.config.viewport; 546 var query = Array.prototype.slice.call( node.querySelectorAll('[data-sr]') ); 547 548 query.forEach(function( el ){ 549 el.removeAttribute('data-sr'); 550 }); 551 } 552 } // End of the scrollReveal prototype ======================================| 553 554 _handler = function( e ){ 555 556 if ( !self.blocked ){ 557 558 self.blocked = true; 559 self.scrolled = self.scrollY(); 560 561 _requestAnimFrame(function(){ 562 self.animate(); 563 }); 564 } 565 } 566 567 _extend = function( target, src ){ 568 569 for ( var prop in src ){ 570 if ( src.hasOwnProperty( prop ) ){ 571 target[ prop ] = src[ prop ]; 572 } 573 } 574 575 return target; 576 } 577 578 // RequestAnimationFrame polyfill. 579 _requestAnimFrame = (function(){ 580 581 return window.requestAnimationFrame || 582 window.webkitRequestAnimationFrame || 583 window.mozRequestAnimationFrame || 584 585 function( callback ){ 586 window.setTimeout( callback, 1000 / 60 ); 587 }; 588 }()); 589 590 return scrollReveal; 591 592})( window );
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.