diff --git a/education.png b/education.png deleted file mode 100644 index a452545..0000000 Binary files a/education.png and /dev/null differ diff --git a/experience.png b/experience.png deleted file mode 100644 index e35b08f..0000000 Binary files a/experience.png and /dev/null differ diff --git a/favicon.ico b/favicon.ico deleted file mode 100644 index 2c1da3e..0000000 Binary files a/favicon.ico and /dev/null differ diff --git a/fillari2-small.jpg b/fillari2-small.jpg deleted file mode 100644 index 50bbc82..0000000 Binary files a/fillari2-small.jpg and /dev/null differ diff --git a/header2.png b/header2.png deleted file mode 100644 index 3e562ca..0000000 Binary files a/header2.png and /dev/null differ diff --git a/1_wpm_score_DK.png b/illusions/1_wpm_score_DK.png similarity index 100% rename from 1_wpm_score_DK.png rename to illusions/1_wpm_score_DK.png diff --git a/illusions/black-cat.ico b/illusions/black-cat.ico new file mode 100644 index 0000000..b4e443b Binary files /dev/null and b/illusions/black-cat.ico differ diff --git a/illusions/construction.gif b/illusions/construction.gif new file mode 100644 index 0000000..3b3a8c7 Binary files /dev/null and b/illusions/construction.gif differ diff --git a/illusions/life.jpg b/illusions/life.jpg new file mode 100644 index 0000000..360801b Binary files /dev/null and b/illusions/life.jpg differ diff --git a/illusions/london-skyline.svg b/illusions/london-skyline.svg new file mode 100644 index 0000000..cefaee7 --- /dev/null +++ b/illusions/london-skyline.svg @@ -0,0 +1,367 @@ + + london skyline + + + + + + + + + + + Layer 1 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/illusions/purple-cat.ico b/illusions/purple-cat.ico new file mode 100644 index 0000000..a3d9321 Binary files /dev/null and b/illusions/purple-cat.ico differ diff --git a/illusions/stars.jpg b/illusions/stars.jpg new file mode 100644 index 0000000..f75db19 Binary files /dev/null and b/illusions/stars.jpg differ diff --git a/index.html b/index.html index 676a150..d479d84 100644 --- a/index.html +++ b/index.html @@ -1,219 +1,158 @@ - - - - - - - -Martti Malmi - - - - - - -
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Me

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  • Born in Rovaniemi, Finland, 1988 A.D.
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  • I like playing guitar and keyboards, LAN parties, FPS and RTS games, indoor climbing, latino dances, imageboards, funny Youtube videos and bad action movies.
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  • I also like Japan! Check out my 2011 travel blog Mårzen in Japan (in Finnish).
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  • I'm interested in topics such as music, languages, cultural evolution, Internet memes, economics and society. As for technology, I'm more interested in its human implications than technical intricacies.
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  • Open-minded INTP personality.
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  • Travelling in Fukuoka, Japan
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Education

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  • 2003 Finnish National Board of Education: Award from improving IT usage in educational institute (Mankkaa school).
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  • 2007 Ylioppilastutkinto (The Finnish Matriculation Examination), Olari high school.
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  • 2007 - 2009 Computer science studies at Helsinki University of Technology. Mostly programming courses.
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  • 2011 9 weeks of Japanese studies at GenkiJACS, Fukuoka, Japan.
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Experience

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  • 2004 Verkkokauppa.com, junior high school traineeship. 2 weeks of mostly warehouse work, but my friend and I also spent a day coding a PHP script that parsed warehouse receipts and searched product codes for the listed items. The script saved a lot of manual work so they rewarded us with gift cards.
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  • 2007 - 2010 Various part time jobs at warehouses and construction sites.
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  • 2009 - 2011 Developer of the P2P virtual currency Bitcoin. I was the first person to join the project and had the privilege to work with the infamous man of mystery, Satoshi Nakamoto. My tasks included community building, project organization, web design, web app development, server administration, C++ programming and documentation in English. Check out my interviews by Business Insider, Ilta-Sanomat (in Finnish) and Tietoviikko (in Finnish).
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  • 8.3. - 30.6.2010 Siemens, trainee at the corporate communications department. Compilation of the company website content using a CMS. The work included presentation logic planning, illustration using Adobe Photoshop, proof-reading, co-working with product managers, some CMS user support and a lot of ctrl+c & ctrl+v.
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  • 9.9.2010 - 24.8.2011 Whitevector, software developer. Worked in a small agile team that developed and maintained a social media monitoring and analysing product. Technologies used included Java (Eclipse IDE), Lucene, PostgreSQL and Ruby on Rails among others.
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  • 5.6.-31.7.2012 Kuvaverkko, Billing system upgrade project. PHP & MySQL development.
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  • 8.8.2012 - SC5, Front & back-end web development.
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Skills

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  • I'm good at writing grammatically correct English and Finnish and expressing things clearly. I can communicate basic things in Swedish and Japanese.
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  • I have an eye for aesthetics in web sites and user interfaces. I can create layouts using Photoshop, CSS and HTML. I have played around a little with Qt, wxWidgets and Swing.
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  • I have worked with Java, C++, Eclipse, SVN, Apache, SQL, RoR, Django, PHP, HTML5, JSON, XML and Javascript (JQuery, Mootools).
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  • I have maintained hobby Linux servers since I was 14 and production servers since 2009.
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  • I understand not only code, but also user experience and business aspects. In addition to thinking about what and how you do, it's good to know why you do things.
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  • I'm good at speed typing!
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Old stuff

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  • 2007 Saving Princess Adeleine (jar/exe), a simple -text-adventure game I made for a programming course. It was chosen as one -of the model solutions for the exercise. You can find a "cheater's -map" of the game world here.
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  • 2008 Tetris, a Java-applet.
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  • 2009 Mökki (jar/source code). A game where you -place sticks on a grid, and get a point and a new turn for each triangle you -complete. Can be played against the computer or another human player. Made -as a project work for the programming course T-106.1240 Ohjelmoinnin -jatkokurssi T1.
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  • 2010 Inverted Index (source code), a standalone Java program made as a work sample for a job application.
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  • 2012 Flowdock plugin for Redmine (source code). Posts newly created issues and issue status updates from Redmine to Flowdock using the Flowdock API.
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  • 2012 Neon Shade Tetris (GitHub), a JavaScript/HTML5 tetris game.
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  • 2012 Gamewheel (GitHub), wheel of fortune for choosing the next game at LAN parties.
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Sirius Business

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Photography — AFK screenshots

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Writing is a art

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+Typing Test Score +

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+Blog: Sirius Business (in Finnish) +

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+ + + + + + + + + \ No newline at end of file diff --git a/lily-small3.png b/lily-small3.png deleted file mode 100644 index 021e9fd..0000000 Binary files a/lily-small3.png and /dev/null differ diff --git a/lily.png b/lily.png deleted file mode 100644 index a5aa08b..0000000 Binary files a/lily.png and /dev/null differ diff --git a/linkedin3.png b/linkedin3.png deleted file mode 100644 index 654523e..0000000 Binary files a/linkedin3.png and /dev/null differ diff --git a/me.png b/me.png deleted file mode 100644 index 4dabde9..0000000 Binary files a/me.png and /dev/null differ diff --git a/per.css b/per.css new file mode 100644 index 0000000..dc15912 --- /dev/null +++ b/per.css @@ -0,0 +1,148 @@ +html, body { + margin: 0; + padding: 0; +} + +body { + font-family: 'Lato'; + color: #ffffff; + text-align: center; + user-select: none; + -moz-user-select: none; + -webkit-user-select: none; + -ms-user-select: none; + transition: all 0.5s ease; +} + +header { + z-index: 1; + position: fixed; + top: 0; + left: 0; + right: 0; + background: rgba(0,0,0,0.5); +} + +h1 { + margin: 0; + padding: 1em 0; + cursor: default; +} + +p { + margin: 3em 0; +} + +header ul { + list-style: none; +} + +header li { + display: inline-block; + text-transform: uppercase; + margin-right: 40px; +} + +section h1 { + font-size: 3em; + text-transform: uppercase; + letter-spacing: 10; +} + +h1 small { + color: #aaa; +} + +#wrapper { + position: relative; +} + +#scroller { + position: absolute; +} + +section { + background-color: black; + min-height: 100%; + padding: 0 20px; + padding-bottom: 20px; +} + +#cover h1 { + font-size: 2em; + text-transform: uppercase; + letter-spacing: 20; +} + +@media (max-width: 767px) { + #cover h1 { + font-size: 1em; + } +} + +#cover { + font-size: 3em; + letter-spacing: 20; + //text-shadow: 0 0 1px black; + background: url(illusions/life.jpg) no-repeat center center; + background-size: cover; + height: 100%; +} + +#cover .content { + position: relative; + top: 50%; + transform: translateY(-50%); 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+ + me.hasClass = function (e, c) { + var re = new RegExp("(^|\\s)" + c + "(\\s|$)"); + return re.test(e.className); + }; + + me.addClass = function (e, c) { + if ( me.hasClass(e, c) ) { + return; + } + + var newclass = e.className.split(' '); + newclass.push(c); + e.className = newclass.join(' '); + }; + + me.removeClass = function (e, c) { + if ( !me.hasClass(e, c) ) { + return; + } + + var re = new RegExp("(^|\\s)" + c + "(\\s|$)", 'g'); + e.className = e.className.replace(re, ' '); + }; + + me.offset = function (el) { + var left = -el.offsetLeft, + top = -el.offsetTop; + + // jshint -W084 + while (el = el.offsetParent) { + left -= el.offsetLeft; + top -= el.offsetTop; + } + // jshint +W084 + + return { + left: left, + top: top + }; + }; + + me.preventDefaultException = function (el, exceptions) { + for ( var i in exceptions ) { + if ( exceptions[i].test(el[i]) ) { + return true; + } + } + + return false; + }; + + me.extend(me.eventType = {}, { + touchstart: 1, + touchmove: 1, + touchend: 1, + + mousedown: 2, + mousemove: 2, + mouseup: 2, + + pointerdown: 3, + pointermove: 3, + pointerup: 3, + + MSPointerDown: 3, + MSPointerMove: 3, + MSPointerUp: 3 + }); + + me.extend(me.ease = {}, { + quadratic: { + style: 'cubic-bezier(0.25, 0.46, 0.45, 0.94)', + fn: function (k) { + return k * ( 2 - k ); + } + }, + circular: { + style: 'cubic-bezier(0.1, 0.57, 0.1, 1)', // Not properly "circular" but this looks better, it should be (0.075, 0.82, 0.165, 1) + fn: function (k) { + return Math.sqrt( 1 - ( --k * k ) ); + } + }, + back: { + style: 'cubic-bezier(0.175, 0.885, 0.32, 1.275)', + fn: function (k) { + var b = 4; + return ( k = k - 1 ) * k * ( ( b + 1 ) * k + b ) + 1; + } + }, + bounce: { + style: '', + fn: function (k) { + if ( ( k /= 1 ) < ( 1 / 2.75 ) ) { + return 7.5625 * k * k; + } else if ( k < ( 2 / 2.75 ) ) { + return 7.5625 * ( k -= ( 1.5 / 2.75 ) ) * k + 0.75; + } else if ( k < ( 2.5 / 2.75 ) ) { + return 7.5625 * ( k -= ( 2.25 / 2.75 ) ) * k + 0.9375; + } else { + return 7.5625 * ( k -= ( 2.625 / 2.75 ) ) * k + 0.984375; + } + } + }, + elastic: { + style: '', + fn: function (k) { + var f = 0.22, + e = 0.4; + + if ( k === 0 ) { return 0; } + if ( k == 1 ) { return 1; } + + return ( e * Math.pow( 2, - 10 * k ) * Math.sin( ( k - f / 4 ) * ( 2 * Math.PI ) / f ) + 1 ); + } + } + }); + + me.tap = function (e, eventName) { + var ev = document.createEvent('Event'); + ev.initEvent(eventName, true, true); + ev.pageX = e.pageX; + ev.pageY = e.pageY; + e.target.dispatchEvent(ev); + }; + + me.click = function (e) { + var target = e.target, + ev; + + if ( !(/(SELECT|INPUT|TEXTAREA)/i).test(target.tagName) ) { + ev = document.createEvent('MouseEvents'); + ev.initMouseEvent('click', true, true, e.view, 1, + target.screenX, target.screenY, target.clientX, target.clientY, + e.ctrlKey, e.altKey, e.shiftKey, e.metaKey, + 0, null); + + ev._constructed = true; + target.dispatchEvent(ev); + } + }; + + return me; +})(); + +function IScroll (el, options) { + this.wrapper = typeof el == 'string' ? document.querySelector(el) : el; + this.scroller = this.wrapper.children[0]; + this.scrollerStyle = this.scroller.style; // cache style for better performance + + this.options = { + + mouseWheelSpeed: 20, + + snapThreshold: 0.334, + + infiniteUseTransform: true, + deceleration: 0.004, + +// INSERT POINT: OPTIONS + + startX: 0, + startY: 0, + scrollY: true, + directionLockThreshold: 5, + momentum: true, + + bounce: true, + bounceTime: 600, + bounceEasing: '', + + preventDefault: true, + preventDefaultException: { tagName: /^(INPUT|TEXTAREA|BUTTON|SELECT)$/ }, + + HWCompositing: true, + useTransition: true, + useTransform: true + }; + + for ( var i in options ) { + this.options[i] = options[i]; + } + + // Normalize options + this.translateZ = this.options.HWCompositing && utils.hasPerspective ? ' translateZ(0)' : ''; + + this.options.useTransition = utils.hasTransition && this.options.useTransition; + this.options.useTransform = utils.hasTransform && this.options.useTransform; + + this.options.eventPassthrough = this.options.eventPassthrough === true ? 'vertical' : this.options.eventPassthrough; + this.options.preventDefault = !this.options.eventPassthrough && this.options.preventDefault; + + // If you want eventPassthrough I have to lock one of the axes + this.options.scrollY = this.options.eventPassthrough == 'vertical' ? false : this.options.scrollY; + this.options.scrollX = this.options.eventPassthrough == 'horizontal' ? false : this.options.scrollX; + + // With eventPassthrough we also need lockDirection mechanism + this.options.freeScroll = this.options.freeScroll && !this.options.eventPassthrough; + this.options.directionLockThreshold = this.options.eventPassthrough ? 0 : this.options.directionLockThreshold; + + this.options.bounceEasing = typeof this.options.bounceEasing == 'string' ? utils.ease[this.options.bounceEasing] || utils.ease.circular : this.options.bounceEasing; + + this.options.resizePolling = this.options.resizePolling === undefined ? 60 : this.options.resizePolling; + + if ( this.options.tap === true ) { + this.options.tap = 'tap'; + } + + this.options.invertWheelDirection = this.options.invertWheelDirection ? -1 : 1; + + if ( this.options.infiniteElements ) { + this.options.probeType = 3; + } + this.options.infiniteUseTransform = this.options.infiniteUseTransform && this.options.useTransform; + + if ( this.options.probeType == 3 ) { + this.options.useTransition = false; } + +// INSERT POINT: NORMALIZATION + + // Some defaults + this.x = 0; + this.y = 0; + this.directionX = 0; + this.directionY = 0; + this._events = {}; + +// INSERT POINT: DEFAULTS + + this._init(); + this.refresh(); + + this.scrollTo(this.options.startX, this.options.startY); + this.enable(); +} + +IScroll.prototype = { + version: '5.1.3', + + _init: function () { + this._initEvents(); + + if ( this.options.mouseWheel ) { + this._initWheel(); + } + + if ( this.options.snap ) { + this._initSnap(); + } + + if ( this.options.keyBindings ) { + this._initKeys(); + } + + if ( this.options.infiniteElements ) { + this._initInfinite(); + } + +// INSERT POINT: _init + + }, + + destroy: function () { + this._initEvents(true); + + this._execEvent('destroy'); + }, + + _transitionEnd: function (e) { + if ( e.target != this.scroller || !this.isInTransition ) { + return; + } + + this._transitionTime(); + if ( !this.resetPosition(this.options.bounceTime) ) { + this.isInTransition = false; + this._execEvent('scrollEnd'); + } + }, + + _start: function (e) { + // React to left mouse button only + if ( utils.eventType[e.type] != 1 ) { + if ( e.button !== 0 ) { + return; + } + } + + if ( !this.enabled || (this.initiated && utils.eventType[e.type] !== this.initiated) ) { + return; + } + + if ( this.options.preventDefault && !utils.isBadAndroid && !utils.preventDefaultException(e.target, this.options.preventDefaultException) ) { + e.preventDefault(); + } + + var point = e.touches ? e.touches[0] : e, + pos; + + this.initiated = utils.eventType[e.type]; + this.moved = false; + this.distX = 0; + this.distY = 0; + this.directionX = 0; + this.directionY = 0; + this.directionLocked = 0; + + this._transitionTime(); + + this.startTime = utils.getTime(); + + if ( this.options.useTransition && this.isInTransition ) { + this.isInTransition = false; + pos = this.getComputedPosition(); + this._translate(Math.round(pos.x), Math.round(pos.y)); + this._execEvent('scrollEnd'); + } else if ( !this.options.useTransition && this.isAnimating ) { + this.isAnimating = false; + this._execEvent('scrollEnd'); + } + + this.startX = this.x; + this.startY = this.y; + this.absStartX = this.x; + this.absStartY = this.y; + this.pointX = point.pageX; + this.pointY = point.pageY; + + this._execEvent('beforeScrollStart'); + }, + + _move: function (e) { + if ( !this.enabled || utils.eventType[e.type] !== this.initiated ) { + return; + } + + if ( this.options.preventDefault ) { // increases performance on Android? TODO: check! + e.preventDefault(); + } + + var point = e.touches ? e.touches[0] : e, + deltaX = point.pageX - this.pointX, + deltaY = point.pageY - this.pointY, + timestamp = utils.getTime(), + newX, newY, + absDistX, absDistY; + + this.pointX = point.pageX; + this.pointY = point.pageY; + + this.distX += deltaX; + this.distY += deltaY; + absDistX = Math.abs(this.distX); + absDistY = Math.abs(this.distY); + + // We need to move at least 10 pixels for the scrolling to initiate + if ( timestamp - this.endTime > 300 && (absDistX < 10 && absDistY < 10) ) { + return; + } + + // If you are scrolling in one direction lock the other + if ( !this.directionLocked && !this.options.freeScroll ) { + if ( absDistX > absDistY + this.options.directionLockThreshold ) { + this.directionLocked = 'h'; // lock horizontally + } else if ( absDistY >= absDistX + this.options.directionLockThreshold ) { + this.directionLocked = 'v'; // lock vertically + } else { + this.directionLocked = 'n'; // no lock + } + } + + if ( this.directionLocked == 'h' ) { + if ( this.options.eventPassthrough == 'vertical' ) { + e.preventDefault(); + } else if ( this.options.eventPassthrough == 'horizontal' ) { + this.initiated = false; + return; + } + + deltaY = 0; + } else if ( this.directionLocked == 'v' ) { + if ( this.options.eventPassthrough == 'horizontal' ) { + e.preventDefault(); + } else if ( this.options.eventPassthrough == 'vertical' ) { + this.initiated = false; + return; + } + + deltaX = 0; + } + + deltaX = this.hasHorizontalScroll ? deltaX : 0; + deltaY = this.hasVerticalScroll ? deltaY : 0; + + newX = this.x + deltaX; + newY = this.y + deltaY; + + // Slow down if outside of the boundaries + if ( newX > 0 || newX < this.maxScrollX ) { + newX = this.options.bounce ? this.x + deltaX / 3 : newX > 0 ? 0 : this.maxScrollX; + } + if ( newY > 0 || newY < this.maxScrollY ) { + newY = this.options.bounce ? this.y + deltaY / 3 : newY > 0 ? 0 : this.maxScrollY; + } + + this.directionX = deltaX > 0 ? -1 : deltaX < 0 ? 1 : 0; + this.directionY = deltaY > 0 ? -1 : deltaY < 0 ? 1 : 0; + + if ( !this.moved ) { + this._execEvent('scrollStart'); + } + + this.moved = true; + + this._translate(newX, newY); + +/* REPLACE START: _move */ + if ( timestamp - this.startTime > 300 ) { + this.startTime = timestamp; + this.startX = this.x; + this.startY = this.y; + + if ( this.options.probeType == 1 ) { + this._execEvent('scroll'); + } + } + + if ( this.options.probeType > 1 ) { + this._execEvent('scroll'); + } +/* REPLACE END: _move */ + + }, + + _end: function (e) { + if ( !this.enabled || utils.eventType[e.type] !== this.initiated ) { + return; + } + + if ( this.options.preventDefault && !utils.preventDefaultException(e.target, this.options.preventDefaultException) ) { + e.preventDefault(); + } + + var point = e.changedTouches ? e.changedTouches[0] : e, + momentumX, + momentumY, + duration = utils.getTime() - this.startTime, + newX = Math.round(this.x), + newY = Math.round(this.y), + distanceX = Math.abs(newX - this.startX), + distanceY = Math.abs(newY - this.startY), + time = 0, + easing = ''; + + this.isInTransition = 0; + this.initiated = 0; + this.endTime = utils.getTime(); + + // reset if we are outside of the boundaries + if ( this.resetPosition(this.options.bounceTime) ) { + return; + } + + this.scrollTo(newX, newY); // ensures that the last position is rounded + + // we scrolled less than 10 pixels + if ( !this.moved ) { + if ( this.options.tap ) { + utils.tap(e, this.options.tap); + } + + if ( this.options.click ) { + utils.click(e); + } + + this._execEvent('scrollCancel'); + return; + } + + if ( this._events.flick && duration < 200 && distanceX < 100 && distanceY < 100 ) { + this._execEvent('flick'); + return; + } + + // start momentum animation if needed + if ( this.options.momentum && duration < 300 ) { + momentumX = this.hasHorizontalScroll ? utils.momentum(this.x, this.startX, duration, this.maxScrollX, this.options.bounce ? this.wrapperWidth : 0, this.options.deceleration) : { destination: newX, duration: 0 }; + momentumY = this.hasVerticalScroll ? utils.momentum(this.y, this.startY, duration, this.maxScrollY, this.options.bounce ? this.wrapperHeight : 0, this.options.deceleration) : { destination: newY, duration: 0 }; + newX = momentumX.destination; + newY = momentumY.destination; + time = Math.max(momentumX.duration, momentumY.duration); + this.isInTransition = 1; + } + + + if ( this.options.snap ) { + var snap = this._nearestSnap(newX, newY); + this.currentPage = snap; + time = this.options.snapSpeed || Math.max( + Math.max( + Math.min(Math.abs(newX - snap.x), 1000), + Math.min(Math.abs(newY - snap.y), 1000) + ), 300); + newX = snap.x; + newY = snap.y; + + this.directionX = 0; + this.directionY = 0; + easing = this.options.bounceEasing; + } + +// INSERT POINT: _end + + if ( newX != this.x || newY != this.y ) { + // change easing function when scroller goes out of the boundaries + if ( newX > 0 || newX < this.maxScrollX || newY > 0 || newY < this.maxScrollY ) { + easing = utils.ease.quadratic; + } + + this.scrollTo(newX, newY, time, easing); + return; + } + + this._execEvent('scrollEnd'); + }, + + _resize: function () { + var that = this; + + clearTimeout(this.resizeTimeout); + + this.resizeTimeout = setTimeout(function () { + that.refresh(); + }, this.options.resizePolling); + }, + + resetPosition: function (time) { + var x = this.x, + y = this.y; + + time = time || 0; + + if ( !this.hasHorizontalScroll || this.x > 0 ) { + x = 0; + } else if ( this.x < this.maxScrollX ) { + x = this.maxScrollX; + } + + if ( !this.hasVerticalScroll || this.y > 0 ) { + y = 0; + } else if ( this.y < this.maxScrollY ) { + y = this.maxScrollY; + } + + if ( x == this.x && y == this.y ) { + return false; + } + + this.scrollTo(x, y, time, this.options.bounceEasing); + + return true; + }, + + disable: function () { + this.enabled = false; + }, + + enable: function () { + this.enabled = true; + }, + + refresh: function () { + var rf = this.wrapper.offsetHeight; // Force reflow + + this.wrapperWidth = this.wrapper.clientWidth; + this.wrapperHeight = this.wrapper.clientHeight; + +/* REPLACE START: refresh */ + this.scrollerWidth = this.scroller.offsetWidth; + this.scrollerHeight = this.scroller.offsetHeight; + + this.maxScrollX = this.wrapperWidth - this.scrollerWidth; + + var limit; + if ( this.options.infiniteElements ) { + this.options.infiniteLimit = this.options.infiniteLimit || Math.floor(2147483645 / this.infiniteElementHeight); + limit = -this.options.infiniteLimit * this.infiniteElementHeight + this.wrapperHeight; + } + this.maxScrollY = limit !== undefined ? limit : this.wrapperHeight - this.scrollerHeight; +/* REPLACE END: refresh */ + + this.hasHorizontalScroll = this.options.scrollX && this.maxScrollX < 0; + this.hasVerticalScroll = this.options.scrollY && this.maxScrollY < 0; + + if ( !this.hasHorizontalScroll ) { + this.maxScrollX = 0; + this.scrollerWidth = this.wrapperWidth; + } + + if ( !this.hasVerticalScroll ) { + this.maxScrollY = 0; + this.scrollerHeight = this.wrapperHeight; + } + + this.endTime = 0; + this.directionX = 0; + this.directionY = 0; + + this.wrapperOffset = utils.offset(this.wrapper); + + this._execEvent('refresh'); + + this.resetPosition(); + +// INSERT POINT: _refresh + + }, + + on: function (type, fn) { + if ( !this._events[type] ) { + this._events[type] = []; + } + + this._events[type].push(fn); + }, + + off: function (type, fn) { + if ( !this._events[type] ) { + return; + } + + var index = this._events[type].indexOf(fn); + + if ( index > -1 ) { + this._events[type].splice(index, 1); + } + }, + + _execEvent: function (type) { + if ( !this._events[type] ) { + return; + } + + var i = 0, + l = this._events[type].length; + + if ( !l ) { + return; + } + + for ( ; i < l; i++ ) { + this._events[type][i].apply(this, [].slice.call(arguments, 1)); + } + }, + + scrollBy: function (x, y, time, easing) { + x = this.x + x; + y = this.y + y; + time = time || 0; + + this.scrollTo(x, y, time, easing); + }, + + scrollTo: function (x, y, time, easing) { + easing = easing || utils.ease.circular; + + this.isInTransition = this.options.useTransition && time > 0; + + if ( !time || (this.options.useTransition && easing.style) ) { + this._transitionTimingFunction(easing.style); + this._transitionTime(time); + this._translate(x, y); + } else { + this._animate(x, y, time, easing.fn); + } + }, + + scrollToElement: function (el, time, offsetX, offsetY, easing) { + el = el.nodeType ? el : this.scroller.querySelector(el); + + if ( !el ) { + return; + } + + var pos = utils.offset(el); + + pos.left -= this.wrapperOffset.left; + pos.top -= this.wrapperOffset.top; + + // if offsetX/Y are true we center the element to the screen + if ( offsetX === true ) { + offsetX = Math.round(el.offsetWidth / 2 - this.wrapper.offsetWidth / 2); + } + if ( offsetY === true ) { + offsetY = Math.round(el.offsetHeight / 2 - this.wrapper.offsetHeight / 2); + } + + pos.left -= offsetX || 0; + pos.top -= offsetY || 0; + + pos.left = pos.left > 0 ? 0 : pos.left < this.maxScrollX ? this.maxScrollX : pos.left; + pos.top = pos.top > 0 ? 0 : pos.top < this.maxScrollY ? this.maxScrollY : pos.top; + + time = time === undefined || time === null || time === 'auto' ? Math.max(Math.abs(this.x-pos.left), Math.abs(this.y-pos.top)) : time; + + this.scrollTo(pos.left, pos.top, time, easing); + }, + + _transitionTime: function (time) { + time = time || 0; + + this.scrollerStyle[utils.style.transitionDuration] = time + 'ms'; + + if ( !time && utils.isBadAndroid ) { + this.scrollerStyle[utils.style.transitionDuration] = '0.001s'; + } + +// INSERT POINT: _transitionTime + + }, + + _transitionTimingFunction: function (easing) { + this.scrollerStyle[utils.style.transitionTimingFunction] = easing; + +// INSERT POINT: _transitionTimingFunction + + }, + + _translate: function (x, y) { + if ( this.options.useTransform ) { + +/* REPLACE START: _translate */ + + this.scrollerStyle[utils.style.transform] = 'translate(' + x + 'px,' + y + 'px)' + this.translateZ; + +/* REPLACE END: _translate */ + + } else { + x = Math.round(x); + y = Math.round(y); + this.scrollerStyle.left = x + 'px'; + this.scrollerStyle.top = y + 'px'; + } + + this.x = x; + this.y = y; + +// INSERT POINT: _translate + + }, + + _initEvents: function (remove) { + var eventType = remove ? utils.removeEvent : utils.addEvent, + target = this.options.bindToWrapper ? this.wrapper : window; + + eventType(window, 'orientationchange', this); + eventType(window, 'resize', this); + + if ( this.options.click ) { + eventType(this.wrapper, 'click', this, true); + } + + if ( !this.options.disableMouse ) { + eventType(this.wrapper, 'mousedown', this); + eventType(target, 'mousemove', this); + eventType(target, 'mousecancel', this); + eventType(target, 'mouseup', this); + } + + if ( utils.hasPointer && !this.options.disablePointer ) { + eventType(this.wrapper, utils.prefixPointerEvent('pointerdown'), this); + eventType(target, utils.prefixPointerEvent('pointermove'), this); + eventType(target, utils.prefixPointerEvent('pointercancel'), this); + eventType(target, utils.prefixPointerEvent('pointerup'), this); + } + + if ( utils.hasTouch && !this.options.disableTouch ) { + eventType(this.wrapper, 'touchstart', this); + eventType(target, 'touchmove', this); + eventType(target, 'touchcancel', this); + eventType(target, 'touchend', this); + } + + eventType(this.scroller, 'transitionend', this); + eventType(this.scroller, 'webkitTransitionEnd', this); + eventType(this.scroller, 'oTransitionEnd', this); + eventType(this.scroller, 'MSTransitionEnd', this); + }, + + getComputedPosition: function () { + var matrix = window.getComputedStyle(this.scroller, null), + x, y; + + if ( this.options.useTransform ) { + matrix = matrix[utils.style.transform].split(')')[0].split(', '); + x = +(matrix[12] || matrix[4]); + y = +(matrix[13] || matrix[5]); + } else { + x = +matrix.left.replace(/[^-\d.]/g, ''); + y = +matrix.top.replace(/[^-\d.]/g, ''); + } + + return { x: x, y: y }; + }, + + _initWheel: function () { + utils.addEvent(this.wrapper, 'wheel', this); + utils.addEvent(this.wrapper, 'mousewheel', this); + utils.addEvent(this.wrapper, 'DOMMouseScroll', this); + + this.on('destroy', function () { + utils.removeEvent(this.wrapper, 'wheel', this); + utils.removeEvent(this.wrapper, 'mousewheel', this); + utils.removeEvent(this.wrapper, 'DOMMouseScroll', this); + }); + }, + + _wheel: function (e) { + if ( !this.enabled ) { + return; + } + + e.preventDefault(); + e.stopPropagation(); + + var wheelDeltaX, wheelDeltaY, + newX, newY, + that = this; + + if ( this.wheelTimeout === undefined ) { + that._execEvent('scrollStart'); + } + + // Execute the scrollEnd event after 400ms the wheel stopped scrolling + clearTimeout(this.wheelTimeout); + this.wheelTimeout = setTimeout(function () { + that._execEvent('scrollEnd'); + that.wheelTimeout = undefined; + }, 400); + + if ( 'deltaX' in e ) { + if (e.deltaMode === 1) { + wheelDeltaX = -e.deltaX * this.options.mouseWheelSpeed; + wheelDeltaY = -e.deltaY * this.options.mouseWheelSpeed; + } else { + wheelDeltaX = -e.deltaX; + wheelDeltaY = -e.deltaY; + } + } else if ( 'wheelDeltaX' in e ) { + wheelDeltaX = e.wheelDeltaX / 120 * this.options.mouseWheelSpeed; + wheelDeltaY = e.wheelDeltaY / 120 * this.options.mouseWheelSpeed; + } else if ( 'wheelDelta' in e ) { + wheelDeltaX = wheelDeltaY = e.wheelDelta / 120 * this.options.mouseWheelSpeed; + } else if ( 'detail' in e ) { + wheelDeltaX = wheelDeltaY = -e.detail / 3 * this.options.mouseWheelSpeed; + } else { + return; + } + + wheelDeltaX *= this.options.invertWheelDirection; + wheelDeltaY *= this.options.invertWheelDirection; + + if ( !this.hasVerticalScroll ) { + wheelDeltaX = wheelDeltaY; + wheelDeltaY = 0; + } + + if ( this.options.snap ) { + newX = this.currentPage.pageX; + newY = this.currentPage.pageY; + + if ( wheelDeltaX > 0 ) { + newX--; + } else if ( wheelDeltaX < 0 ) { + newX++; + } + + if ( wheelDeltaY > 0 ) { + newY--; + } else if ( wheelDeltaY < 0 ) { + newY++; + } + + this.goToPage(newX, newY); + + return; + } + + newX = this.x + Math.round(this.hasHorizontalScroll ? wheelDeltaX : 0); + newY = this.y + Math.round(this.hasVerticalScroll ? wheelDeltaY : 0); + + if ( newX > 0 ) { + newX = 0; + } else if ( newX < this.maxScrollX ) { + newX = this.maxScrollX; + } + + if ( newY > 0 ) { + newY = 0; + } else if ( newY < this.maxScrollY ) { + newY = this.maxScrollY; + } + + this.scrollTo(newX, newY, 0); + + if ( this.options.probeType > 1 ) { + this._execEvent('scroll'); + } + +// INSERT POINT: _wheel + }, + + _initSnap: function () { + this.currentPage = {}; + + if ( typeof this.options.snap == 'string' ) { + this.options.snap = this.scroller.querySelectorAll(this.options.snap); + } + + this.on('refresh', function () { + var i = 0, l, + m = 0, n, + cx, cy, + x = 0, y, + stepX = this.options.snapStepX || this.wrapperWidth, + stepY = this.options.snapStepY || this.wrapperHeight, + el; + + this.pages = []; + + if ( !this.wrapperWidth || !this.wrapperHeight || !this.scrollerWidth || !this.scrollerHeight ) { + return; + } + + if ( this.options.snap === true ) { + cx = Math.round( stepX / 2 ); + cy = Math.round( stepY / 2 ); + + while ( x > -this.scrollerWidth ) { + this.pages[i] = []; + l = 0; + y = 0; + + while ( y > -this.scrollerHeight ) { + this.pages[i][l] = { + x: Math.max(x, this.maxScrollX), + y: Math.max(y, this.maxScrollY), + width: stepX, + height: stepY, + cx: x - cx, + cy: y - cy + }; + + y -= stepY; + l++; + } + + x -= stepX; + i++; + } + } else { + el = this.options.snap; + l = el.length; + n = -1; + + for ( ; i < l; i++ ) { + if ( i === 0 || el[i].offsetLeft <= el[i-1].offsetLeft ) { + m = 0; + n++; + } + + if ( !this.pages[m] ) { + this.pages[m] = []; + } + + x = Math.max(-el[i].offsetLeft, this.maxScrollX); + y = Math.max(-el[i].offsetTop, this.maxScrollY); + cx = x - Math.round(el[i].offsetWidth / 2); + cy = y - Math.round(el[i].offsetHeight / 2); + + this.pages[m][n] = { + x: x, + y: y, + width: el[i].offsetWidth, + height: el[i].offsetHeight, + cx: cx, + cy: cy + }; + + if ( x > this.maxScrollX ) { + m++; + } + } + } + + this.goToPage(this.currentPage.pageX || 0, this.currentPage.pageY || 0, 0); + + // Update snap threshold if needed + if ( this.options.snapThreshold % 1 === 0 ) { + this.snapThresholdX = this.options.snapThreshold; + this.snapThresholdY = this.options.snapThreshold; + } else { + this.snapThresholdX = Math.round(this.pages[this.currentPage.pageX][this.currentPage.pageY].width * this.options.snapThreshold); + this.snapThresholdY = Math.round(this.pages[this.currentPage.pageX][this.currentPage.pageY].height * this.options.snapThreshold); + } + }); + + this.on('flick', function () { + var time = this.options.snapSpeed || Math.max( + Math.max( + Math.min(Math.abs(this.x - this.startX), 1000), + Math.min(Math.abs(this.y - this.startY), 1000) + ), 300); + + this.goToPage( + this.currentPage.pageX + this.directionX, + this.currentPage.pageY + this.directionY, + time + ); + }); + }, + + _nearestSnap: function (x, y) { + if ( !this.pages.length ) { + return { x: 0, y: 0, pageX: 0, pageY: 0 }; + } + + var i = 0, + l = this.pages.length, + m = 0; + + // Check if we exceeded the snap threshold + if ( Math.abs(x - this.absStartX) < this.snapThresholdX && + Math.abs(y - this.absStartY) < this.snapThresholdY ) { + return this.currentPage; + } + + if ( x > 0 ) { + x = 0; + } else if ( x < this.maxScrollX ) { + x = this.maxScrollX; + } + + if ( y > 0 ) { + y = 0; + } else if ( y < this.maxScrollY ) { + y = this.maxScrollY; + } + + for ( ; i < l; i++ ) { + if ( x >= this.pages[i][0].cx ) { + x = this.pages[i][0].x; + break; + } + } + + l = this.pages[i].length; + + for ( ; m < l; m++ ) { + if ( y >= this.pages[0][m].cy ) { + y = this.pages[0][m].y; + break; + } + } + + if ( i == this.currentPage.pageX ) { + i += this.directionX; + + if ( i < 0 ) { + i = 0; + } else if ( i >= this.pages.length ) { + i = this.pages.length - 1; + } + + x = this.pages[i][0].x; + } + + if ( m == this.currentPage.pageY ) { + m += this.directionY; + + if ( m < 0 ) { + m = 0; + } else if ( m >= this.pages[0].length ) { + m = this.pages[0].length - 1; + } + + y = this.pages[0][m].y; + } + + return { + x: x, + y: y, + pageX: i, + pageY: m + }; + }, + + goToPage: function (x, y, time, easing) { + easing = easing || this.options.bounceEasing; + + if ( x >= this.pages.length ) { + x = this.pages.length - 1; + } else if ( x < 0 ) { + x = 0; + } + + if ( y >= this.pages[x].length ) { + y = this.pages[x].length - 1; + } else if ( y < 0 ) { + y = 0; + } + + var posX = this.pages[x][y].x, + posY = this.pages[x][y].y; + + time = time === undefined ? this.options.snapSpeed || Math.max( + Math.max( + Math.min(Math.abs(posX - this.x), 1000), + Math.min(Math.abs(posY - this.y), 1000) + ), 300) : time; + + this.currentPage = { + x: posX, + y: posY, + pageX: x, + pageY: y + }; + + this.scrollTo(posX, posY, time, easing); + }, + + next: function (time, easing) { + var x = this.currentPage.pageX, + y = this.currentPage.pageY; + + x++; + + if ( x >= this.pages.length && this.hasVerticalScroll ) { + x = 0; + y++; + } + + this.goToPage(x, y, time, easing); + }, + + prev: function (time, easing) { + var x = this.currentPage.pageX, + y = this.currentPage.pageY; + + x--; + + if ( x < 0 && this.hasVerticalScroll ) { + x = 0; + y--; + } + + this.goToPage(x, y, time, easing); + }, + + _initKeys: function (e) { + // default key bindings + var keys = { + pageUp: 33, + pageDown: 34, + end: 35, + home: 36, + left: 37, + up: 38, + right: 39, + down: 40 + }; + var i; + + // if you give me characters I give you keycode + if ( typeof this.options.keyBindings == 'object' ) { + for ( i in this.options.keyBindings ) { + if ( typeof this.options.keyBindings[i] == 'string' ) { + this.options.keyBindings[i] = this.options.keyBindings[i].toUpperCase().charCodeAt(0); + } + } + } else { + this.options.keyBindings = {}; + } + + for ( i in keys ) { + this.options.keyBindings[i] = this.options.keyBindings[i] || keys[i]; + } + + utils.addEvent(window, 'keydown', this); + + this.on('destroy', function () { + utils.removeEvent(window, 'keydown', this); + }); + }, + + _key: function (e) { + if ( !this.enabled ) { + return; + } + + var snap = this.options.snap, // we are using this alot, better to cache it + newX = snap ? this.currentPage.pageX : this.x, + newY = snap ? this.currentPage.pageY : this.y, + now = utils.getTime(), + prevTime = this.keyTime || 0, + acceleration = 0.250, + pos; + + if ( this.options.useTransition && this.isInTransition ) { + pos = this.getComputedPosition(); + + this._translate(Math.round(pos.x), Math.round(pos.y)); + this.isInTransition = false; + } + + this.keyAcceleration = now - prevTime < 200 ? Math.min(this.keyAcceleration + acceleration, 50) : 0; + + switch ( e.keyCode ) { + case this.options.keyBindings.pageUp: + if ( this.hasHorizontalScroll && !this.hasVerticalScroll ) { + newX += snap ? 1 : this.wrapperWidth; + } else { + newY += snap ? 1 : this.wrapperHeight; + } + break; + case this.options.keyBindings.pageDown: + if ( this.hasHorizontalScroll && !this.hasVerticalScroll ) { + newX -= snap ? 1 : this.wrapperWidth; + } else { + newY -= snap ? 1 : this.wrapperHeight; + } + break; + case this.options.keyBindings.end: + newX = snap ? this.pages.length-1 : this.maxScrollX; + newY = snap ? this.pages[0].length-1 : this.maxScrollY; + break; + case this.options.keyBindings.home: + newX = 0; + newY = 0; + break; + case this.options.keyBindings.left: + newX += snap ? -1 : 5 + this.keyAcceleration>>0; + break; + case this.options.keyBindings.up: + newY += snap ? 1 : 5 + this.keyAcceleration>>0; + break; + case this.options.keyBindings.right: + newX -= snap ? -1 : 5 + this.keyAcceleration>>0; + break; + case this.options.keyBindings.down: + newY -= snap ? 1 : 5 + this.keyAcceleration>>0; + break; + default: + return; + } + + if ( snap ) { + this.goToPage(newX, newY); + return; + } + + if ( newX > 0 ) { + newX = 0; + this.keyAcceleration = 0; + } else if ( newX < this.maxScrollX ) { + newX = this.maxScrollX; + this.keyAcceleration = 0; + } + + if ( newY > 0 ) { + newY = 0; + this.keyAcceleration = 0; + } else if ( newY < this.maxScrollY ) { + newY = this.maxScrollY; + this.keyAcceleration = 0; + } + + this.scrollTo(newX, newY, 0); + + this.keyTime = now; + }, + + _animate: function (destX, destY, duration, easingFn) { + var that = this, + startX = this.x, + startY = this.y, + startTime = utils.getTime(), + destTime = startTime + duration; + + function step () { + var now = utils.getTime(), + newX, newY, + easing; + + if ( now >= destTime ) { + that.isAnimating = false; + that._translate(destX, destY); + + if ( !that.resetPosition(that.options.bounceTime) ) { + that._execEvent('scrollEnd'); + } + + return; + } + + now = ( now - startTime ) / duration; + easing = easingFn(now); + newX = ( destX - startX ) * easing + startX; + newY = ( destY - startY ) * easing + startY; + that._translate(newX, newY); + + if ( that.isAnimating ) { + rAF(step); + } + + if ( that.options.probeType == 3 ) { + that._execEvent('scroll'); + } + } + + this.isAnimating = true; + step(); + }, + + _initInfinite: function () { + var el = this.options.infiniteElements; + + this.infiniteElements = typeof el == 'string' ? document.querySelectorAll(el) : el; + this.infiniteLength = this.infiniteElements.length; + this.infiniteMaster = this.infiniteElements[0]; + this.infiniteElementHeight = this.infiniteMaster.offsetHeight; + this.infiniteHeight = this.infiniteLength * this.infiniteElementHeight; + + this.options.cacheSize = this.options.cacheSize || 1000; + this.infiniteCacheBuffer = Math.round(this.options.cacheSize / 4); + + //this.infiniteCache = {}; + this.options.dataset.call(this, 0, this.options.cacheSize); + + this.on('refresh', function () { + var elementsPerPage = Math.ceil(this.wrapperHeight / this.infiniteElementHeight); + this.infiniteUpperBufferSize = Math.floor((this.infiniteLength - elementsPerPage) / 2); + this.reorderInfinite(); + }); + + this.on('scroll', this.reorderInfinite); + }, + + // TO-DO: clean up the mess + reorderInfinite: function () { + var center = -this.y + this.wrapperHeight / 2; + + var minorPhase = Math.max(Math.floor(-this.y / this.infiniteElementHeight) - this.infiniteUpperBufferSize, 0), + majorPhase = Math.floor(minorPhase / this.infiniteLength), + phase = minorPhase - majorPhase * this.infiniteLength; + + var top = 0; + var i = 0; + var update = []; + + //var cachePhase = Math.floor((minorPhase + this.infiniteLength / 2) / this.infiniteCacheBuffer); + var cachePhase = Math.floor(minorPhase / this.infiniteCacheBuffer); + + while ( i < this.infiniteLength ) { + top = i * this.infiniteElementHeight + majorPhase * this.infiniteHeight; + + if ( phase > i ) { + top += this.infiniteElementHeight * this.infiniteLength; + } + + if ( this.infiniteElements[i]._top !== top ) { + this.infiniteElements[i]._phase = top / this.infiniteElementHeight; + + if ( this.infiniteElements[i]._phase < this.options.infiniteLimit ) { + this.infiniteElements[i]._top = top; + if ( this.options.infiniteUseTransform ) { + this.infiniteElements[i].style[utils.style.transform] = 'translate(0, ' + top + 'px)' + this.translateZ; + } else { + this.infiniteElements[i].style.top = top + 'px'; + } + update.push(this.infiniteElements[i]); + } + } + + i++; + } + + if ( this.cachePhase != cachePhase && (cachePhase === 0 || minorPhase - this.infiniteCacheBuffer > 0) ) { + this.options.dataset.call(this, Math.max(cachePhase * this.infiniteCacheBuffer - this.infiniteCacheBuffer, 0), this.options.cacheSize); + } + + this.cachePhase = cachePhase; + + this.updateContent(update); + }, + + updateContent: function (els) { + if ( this.infiniteCache === undefined ) { + return; + } + + for ( var i = 0, l = els.length; i < l; i++ ) { + this.options.dataFiller.call(this, els[i], this.infiniteCache[els[i]._phase]); + } + }, + + updateCache: function (start, data) { + var firstRun = this.infiniteCache === undefined; + + this.infiniteCache = {}; + + for ( var i = 0, l = data.length; i < l; i++ ) { + this.infiniteCache[start++] = data[i]; + } + + if ( firstRun ) { + this.updateContent(this.infiniteElements); + } + + }, + + + handleEvent: function (e) { + switch ( e.type ) { + case 'touchstart': + case 'pointerdown': + case 'MSPointerDown': + case 'mousedown': + this._start(e); + break; + case 'touchmove': + case 'pointermove': + case 'MSPointerMove': + case 'mousemove': + this._move(e); + break; + case 'touchend': + case 'pointerup': + case 'MSPointerUp': + case 'mouseup': + case 'touchcancel': + case 'pointercancel': + case 'MSPointerCancel': + case 'mousecancel': + this._end(e); + break; + case 'orientationchange': + case 'resize': + this._resize(); + break; + case 'transitionend': + case 'webkitTransitionEnd': + case 'oTransitionEnd': + case 'MSTransitionEnd': + this._transitionEnd(e); + break; + case 'wheel': + case 'DOMMouseScroll': + case 'mousewheel': + this._wheel(e); + break; + case 'keydown': + this._key(e); + break; + case 'click': + if ( !e._constructed ) { + e.preventDefault(); + e.stopPropagation(); + } + break; + } + } +}; +IScroll.utils = utils; + +if ( typeof module != 'undefined' && module.exports ) { + module.exports = IScroll; +} else { + window.IScroll = IScroll; +} + +})(window, document, Math); \ No newline at end of file diff --git a/sorcery/iscroll-lite.js b/sorcery/iscroll-lite.js new file mode 100644 index 0000000..bd143b7 --- /dev/null +++ b/sorcery/iscroll-lite.js @@ -0,0 +1,944 @@ +/*! iScroll v5.1.3 ~ (c) 2008-2014 Matteo Spinelli ~ http://cubiq.org/license */ +(function (window, document, Math) { +var rAF = window.requestAnimationFrame || + window.webkitRequestAnimationFrame || + window.mozRequestAnimationFrame || + window.oRequestAnimationFrame || + window.msRequestAnimationFrame || + function (callback) { window.setTimeout(callback, 1000 / 60); }; + +var utils = (function () { + var me = {}; + + var _elementStyle = document.createElement('div').style; + var _vendor = (function () { + var vendors = ['t', 'webkitT', 'MozT', 'msT', 'OT'], + transform, + i = 0, + l = vendors.length; + + for ( ; i < l; i++ ) { + transform = vendors[i] + 'ransform'; + if ( transform in _elementStyle ) return vendors[i].substr(0, vendors[i].length-1); + } + + return false; + })(); + + function _prefixStyle (style) { + if ( _vendor === false ) return false; + if ( _vendor === '' ) return style; + return _vendor + style.charAt(0).toUpperCase() + style.substr(1); + } + + me.getTime = Date.now || function getTime () { return new Date().getTime(); }; + + me.extend = function (target, obj) { + for ( var i in obj ) { + target[i] = obj[i]; + } + }; + + me.addEvent = function (el, type, fn, capture) { + el.addEventListener(type, fn, !!capture); + }; + + me.removeEvent = function (el, type, fn, capture) { + el.removeEventListener(type, fn, !!capture); + }; + + me.prefixPointerEvent = function (pointerEvent) { + return window.MSPointerEvent ? + 'MSPointer' + pointerEvent.charAt(9).toUpperCase() + pointerEvent.substr(10): + pointerEvent; + }; + + me.momentum = function (current, start, time, lowerMargin, wrapperSize, deceleration) { + var distance = current - start, + speed = Math.abs(distance) / time, + destination, + duration; + + deceleration = deceleration === undefined ? 0.0006 : deceleration; + + destination = current + ( speed * speed ) / ( 2 * deceleration ) * ( distance < 0 ? -1 : 1 ); + duration = speed / deceleration; + + if ( destination < lowerMargin ) { + destination = wrapperSize ? lowerMargin - ( wrapperSize / 2.5 * ( speed / 8 ) ) : lowerMargin; + distance = Math.abs(destination - current); + duration = distance / speed; + } else if ( destination > 0 ) { + destination = wrapperSize ? wrapperSize / 2.5 * ( speed / 8 ) : 0; + distance = Math.abs(current) + destination; + duration = distance / speed; + } + + return { + destination: Math.round(destination), + duration: duration + }; + }; + + var _transform = _prefixStyle('transform'); + + me.extend(me, { + hasTransform: _transform !== false, + hasPerspective: _prefixStyle('perspective') in _elementStyle, + hasTouch: 'ontouchstart' in window, + hasPointer: window.PointerEvent || window.MSPointerEvent, // IE10 is prefixed + hasTransition: _prefixStyle('transition') in _elementStyle + }); + + // This should find all Android browsers lower than build 535.19 (both stock browser and webview) + me.isBadAndroid = /Android /.test(window.navigator.appVersion) && !(/Chrome\/\d/.test(window.navigator.appVersion)); + + me.extend(me.style = {}, { + transform: _transform, + transitionTimingFunction: _prefixStyle('transitionTimingFunction'), + transitionDuration: _prefixStyle('transitionDuration'), + transitionDelay: _prefixStyle('transitionDelay'), + transformOrigin: _prefixStyle('transformOrigin') + }); + + me.hasClass = function (e, c) { + var re = new RegExp("(^|\\s)" + c + "(\\s|$)"); + return re.test(e.className); + }; + + me.addClass = function (e, c) { + if ( me.hasClass(e, c) ) { + return; + } + + var newclass = e.className.split(' '); + newclass.push(c); + e.className = newclass.join(' '); + }; + + me.removeClass = function (e, c) { + if ( !me.hasClass(e, c) ) { + return; + } + + var re = new RegExp("(^|\\s)" + c + "(\\s|$)", 'g'); + e.className = e.className.replace(re, ' '); + }; + + me.offset = function (el) { + var left = -el.offsetLeft, + top = -el.offsetTop; + + // jshint -W084 + while (el = el.offsetParent) { + left -= el.offsetLeft; + top -= el.offsetTop; + } + // jshint +W084 + + return { + left: left, + top: top + }; + }; + + me.preventDefaultException = function (el, exceptions) { + for ( var i in exceptions ) { + if ( exceptions[i].test(el[i]) ) { + return true; + } + } + + return false; + }; + + me.extend(me.eventType = {}, { + touchstart: 1, + touchmove: 1, + touchend: 1, + + mousedown: 2, + mousemove: 2, + mouseup: 2, + + pointerdown: 3, + pointermove: 3, + pointerup: 3, + + MSPointerDown: 3, + MSPointerMove: 3, + MSPointerUp: 3 + }); + + me.extend(me.ease = {}, { + quadratic: { + style: 'cubic-bezier(0.25, 0.46, 0.45, 0.94)', + fn: function (k) { + return k * ( 2 - k ); + } + }, + circular: { + style: 'cubic-bezier(0.1, 0.57, 0.1, 1)', // Not properly "circular" but this looks better, it should be (0.075, 0.82, 0.165, 1) + fn: function (k) { + return Math.sqrt( 1 - ( --k * k ) ); + } + }, + back: { + style: 'cubic-bezier(0.175, 0.885, 0.32, 1.275)', + fn: function (k) { + var b = 4; + return ( k = k - 1 ) * k * ( ( b + 1 ) * k + b ) + 1; + } + }, + bounce: { + style: '', + fn: function (k) { + if ( ( k /= 1 ) < ( 1 / 2.75 ) ) { + return 7.5625 * k * k; + } else if ( k < ( 2 / 2.75 ) ) { + return 7.5625 * ( k -= ( 1.5 / 2.75 ) ) * k + 0.75; + } else if ( k < ( 2.5 / 2.75 ) ) { + return 7.5625 * ( k -= ( 2.25 / 2.75 ) ) * k + 0.9375; + } else { + return 7.5625 * ( k -= ( 2.625 / 2.75 ) ) * k + 0.984375; + } + } + }, + elastic: { + style: '', + fn: function (k) { + var f = 0.22, + e = 0.4; + + if ( k === 0 ) { return 0; } + if ( k == 1 ) { return 1; } + + return ( e * Math.pow( 2, - 10 * k ) * Math.sin( ( k - f / 4 ) * ( 2 * Math.PI ) / f ) + 1 ); + } + } + }); + + me.tap = function (e, eventName) { + var ev = document.createEvent('Event'); + ev.initEvent(eventName, true, true); + ev.pageX = e.pageX; + ev.pageY = e.pageY; + e.target.dispatchEvent(ev); + }; + + me.click = function (e) { + var target = e.target, + ev; + + if ( !(/(SELECT|INPUT|TEXTAREA)/i).test(target.tagName) ) { + ev = document.createEvent('MouseEvents'); + ev.initMouseEvent('click', true, true, e.view, 1, + target.screenX, target.screenY, target.clientX, target.clientY, + e.ctrlKey, e.altKey, e.shiftKey, e.metaKey, + 0, null); + + ev._constructed = true; + target.dispatchEvent(ev); + } + }; + + return me; +})(); + +function IScroll (el, options) { + this.wrapper = typeof el == 'string' ? document.querySelector(el) : el; + this.scroller = this.wrapper.children[0]; + this.scrollerStyle = this.scroller.style; // cache style for better performance + + this.options = { + +// INSERT POINT: OPTIONS + + startX: 0, + startY: 0, + scrollY: true, + directionLockThreshold: 5, + momentum: true, + + bounce: true, + bounceTime: 600, + bounceEasing: '', + + preventDefault: true, + preventDefaultException: { tagName: /^(INPUT|TEXTAREA|BUTTON|SELECT)$/ }, + + HWCompositing: true, + useTransition: true, + useTransform: true + }; + + for ( var i in options ) { + this.options[i] = options[i]; + } + + // Normalize options + this.translateZ = this.options.HWCompositing && utils.hasPerspective ? ' translateZ(0)' : ''; + + this.options.useTransition = utils.hasTransition && this.options.useTransition; + this.options.useTransform = utils.hasTransform && this.options.useTransform; + + this.options.eventPassthrough = this.options.eventPassthrough === true ? 'vertical' : this.options.eventPassthrough; + this.options.preventDefault = !this.options.eventPassthrough && this.options.preventDefault; + + // If you want eventPassthrough I have to lock one of the axes + this.options.scrollY = this.options.eventPassthrough == 'vertical' ? false : this.options.scrollY; + this.options.scrollX = this.options.eventPassthrough == 'horizontal' ? false : this.options.scrollX; + + // With eventPassthrough we also need lockDirection mechanism + this.options.freeScroll = this.options.freeScroll && !this.options.eventPassthrough; + this.options.directionLockThreshold = this.options.eventPassthrough ? 0 : this.options.directionLockThreshold; + + this.options.bounceEasing = typeof this.options.bounceEasing == 'string' ? utils.ease[this.options.bounceEasing] || utils.ease.circular : this.options.bounceEasing; + + this.options.resizePolling = this.options.resizePolling === undefined ? 60 : this.options.resizePolling; + + if ( this.options.tap === true ) { + this.options.tap = 'tap'; + } + +// INSERT POINT: NORMALIZATION + + // Some defaults + this.x = 0; + this.y = 0; + this.directionX = 0; + this.directionY = 0; + this._events = {}; + +// INSERT POINT: DEFAULTS + + this._init(); + this.refresh(); + + this.scrollTo(this.options.startX, this.options.startY); + this.enable(); +} + +IScroll.prototype = { + version: '5.1.3', + + _init: function () { + this._initEvents(); + +// INSERT POINT: _init + + }, + + destroy: function () { + this._initEvents(true); + + this._execEvent('destroy'); + }, + + _transitionEnd: function (e) { + if ( e.target != this.scroller || !this.isInTransition ) { + return; + } + + this._transitionTime(); + if ( !this.resetPosition(this.options.bounceTime) ) { + this.isInTransition = false; + this._execEvent('scrollEnd'); + } + }, + + _start: function (e) { + // React to left mouse button only + if ( utils.eventType[e.type] != 1 ) { + if ( e.button !== 0 ) { + return; + } + } + + if ( !this.enabled || (this.initiated && utils.eventType[e.type] !== this.initiated) ) { + return; + } + + if ( this.options.preventDefault && !utils.isBadAndroid && !utils.preventDefaultException(e.target, this.options.preventDefaultException) ) { + e.preventDefault(); + } + + var point = e.touches ? e.touches[0] : e, + pos; + + this.initiated = utils.eventType[e.type]; + this.moved = false; + this.distX = 0; + this.distY = 0; + this.directionX = 0; + this.directionY = 0; + this.directionLocked = 0; + + this._transitionTime(); + + this.startTime = utils.getTime(); + + if ( this.options.useTransition && this.isInTransition ) { + this.isInTransition = false; + pos = this.getComputedPosition(); + this._translate(Math.round(pos.x), Math.round(pos.y)); + this._execEvent('scrollEnd'); + } else if ( !this.options.useTransition && this.isAnimating ) { + this.isAnimating = false; + this._execEvent('scrollEnd'); + } + + this.startX = this.x; + this.startY = this.y; + this.absStartX = this.x; + this.absStartY = this.y; + this.pointX = point.pageX; + this.pointY = point.pageY; + + this._execEvent('beforeScrollStart'); + }, + + _move: function (e) { + if ( !this.enabled || utils.eventType[e.type] !== this.initiated ) { + return; + } + + if ( this.options.preventDefault ) { // increases performance on Android? TODO: check! + e.preventDefault(); + } + + var point = e.touches ? e.touches[0] : e, + deltaX = point.pageX - this.pointX, + deltaY = point.pageY - this.pointY, + timestamp = utils.getTime(), + newX, newY, + absDistX, absDistY; + + this.pointX = point.pageX; + this.pointY = point.pageY; + + this.distX += deltaX; + this.distY += deltaY; + absDistX = Math.abs(this.distX); + absDistY = Math.abs(this.distY); + + // We need to move at least 10 pixels for the scrolling to initiate + if ( timestamp - this.endTime > 300 && (absDistX < 10 && absDistY < 10) ) { + return; + } + + // If you are scrolling in one direction lock the other + if ( !this.directionLocked && !this.options.freeScroll ) { + if ( absDistX > absDistY + this.options.directionLockThreshold ) { + this.directionLocked = 'h'; // lock horizontally + } else if ( absDistY >= absDistX + this.options.directionLockThreshold ) { + this.directionLocked = 'v'; // lock vertically + } else { + this.directionLocked = 'n'; // no lock + } + } + + if ( this.directionLocked == 'h' ) { + if ( this.options.eventPassthrough == 'vertical' ) { + e.preventDefault(); + } else if ( this.options.eventPassthrough == 'horizontal' ) { + this.initiated = false; + return; + } + + deltaY = 0; + } else if ( this.directionLocked == 'v' ) { + if ( this.options.eventPassthrough == 'horizontal' ) { + e.preventDefault(); + } else if ( this.options.eventPassthrough == 'vertical' ) { + this.initiated = false; + return; + } + + deltaX = 0; + } + + deltaX = this.hasHorizontalScroll ? deltaX : 0; + deltaY = this.hasVerticalScroll ? deltaY : 0; + + newX = this.x + deltaX; + newY = this.y + deltaY; + + // Slow down if outside of the boundaries + if ( newX > 0 || newX < this.maxScrollX ) { + newX = this.options.bounce ? this.x + deltaX / 3 : newX > 0 ? 0 : this.maxScrollX; + } + if ( newY > 0 || newY < this.maxScrollY ) { + newY = this.options.bounce ? this.y + deltaY / 3 : newY > 0 ? 0 : this.maxScrollY; + } + + this.directionX = deltaX > 0 ? -1 : deltaX < 0 ? 1 : 0; + this.directionY = deltaY > 0 ? -1 : deltaY < 0 ? 1 : 0; + + if ( !this.moved ) { + this._execEvent('scrollStart'); + } + + this.moved = true; + + this._translate(newX, newY); + +/* REPLACE START: _move */ + + if ( timestamp - this.startTime > 300 ) { + this.startTime = timestamp; + this.startX = this.x; + this.startY = this.y; + } + +/* REPLACE END: _move */ + + }, + + _end: function (e) { + if ( !this.enabled || utils.eventType[e.type] !== this.initiated ) { + return; + } + + if ( this.options.preventDefault && !utils.preventDefaultException(e.target, this.options.preventDefaultException) ) { + e.preventDefault(); + } + + var point = e.changedTouches ? e.changedTouches[0] : e, + momentumX, + momentumY, + duration = utils.getTime() - this.startTime, + newX = Math.round(this.x), + newY = Math.round(this.y), + distanceX = Math.abs(newX - this.startX), + distanceY = Math.abs(newY - this.startY), + time = 0, + easing = ''; + + this.isInTransition = 0; + this.initiated = 0; + this.endTime = utils.getTime(); + + // reset if we are outside of the boundaries + if ( this.resetPosition(this.options.bounceTime) ) { + return; + } + + this.scrollTo(newX, newY); // ensures that the last position is rounded + + // we scrolled less than 10 pixels + if ( !this.moved ) { + if ( this.options.tap ) { + utils.tap(e, this.options.tap); + } + + if ( this.options.click ) { + utils.click(e); + } + + this._execEvent('scrollCancel'); + return; + } + + if ( this._events.flick && duration < 200 && distanceX < 100 && distanceY < 100 ) { + this._execEvent('flick'); + return; + } + + // start momentum animation if needed + if ( this.options.momentum && duration < 300 ) { + momentumX = this.hasHorizontalScroll ? utils.momentum(this.x, this.startX, duration, this.maxScrollX, this.options.bounce ? this.wrapperWidth : 0, this.options.deceleration) : { destination: newX, duration: 0 }; + momentumY = this.hasVerticalScroll ? utils.momentum(this.y, this.startY, duration, this.maxScrollY, this.options.bounce ? this.wrapperHeight : 0, this.options.deceleration) : { destination: newY, duration: 0 }; + newX = momentumX.destination; + newY = momentumY.destination; + time = Math.max(momentumX.duration, momentumY.duration); + this.isInTransition = 1; + } + +// INSERT POINT: _end + + if ( newX != this.x || newY != this.y ) { + // change easing function when scroller goes out of the boundaries + if ( newX > 0 || newX < this.maxScrollX || newY > 0 || newY < this.maxScrollY ) { + easing = utils.ease.quadratic; + } + + this.scrollTo(newX, newY, time, easing); + return; + } + + this._execEvent('scrollEnd'); + }, + + _resize: function () { + var that = this; + + clearTimeout(this.resizeTimeout); + + this.resizeTimeout = setTimeout(function () { + that.refresh(); + }, this.options.resizePolling); + }, + + resetPosition: function (time) { + var x = this.x, + y = this.y; + + time = time || 0; + + if ( !this.hasHorizontalScroll || this.x > 0 ) { + x = 0; + } else if ( this.x < this.maxScrollX ) { + x = this.maxScrollX; + } + + if ( !this.hasVerticalScroll || this.y > 0 ) { + y = 0; + } else if ( this.y < this.maxScrollY ) { + y = this.maxScrollY; + } + + if ( x == this.x && y == this.y ) { + return false; + } + + this.scrollTo(x, y, time, this.options.bounceEasing); + + return true; + }, + + disable: function () { + this.enabled = false; + }, + + enable: function () { + this.enabled = true; + }, + + refresh: function () { + var rf = this.wrapper.offsetHeight; // Force reflow + + this.wrapperWidth = this.wrapper.clientWidth; + this.wrapperHeight = this.wrapper.clientHeight; + +/* REPLACE START: refresh */ + + this.scrollerWidth = this.scroller.offsetWidth; + this.scrollerHeight = this.scroller.offsetHeight; + + this.maxScrollX = this.wrapperWidth - this.scrollerWidth; + this.maxScrollY = this.wrapperHeight - this.scrollerHeight; + +/* REPLACE END: refresh */ + + this.hasHorizontalScroll = this.options.scrollX && this.maxScrollX < 0; + this.hasVerticalScroll = this.options.scrollY && this.maxScrollY < 0; + + if ( !this.hasHorizontalScroll ) { + this.maxScrollX = 0; + this.scrollerWidth = this.wrapperWidth; + } + + if ( !this.hasVerticalScroll ) { + this.maxScrollY = 0; + this.scrollerHeight = this.wrapperHeight; + } + + this.endTime = 0; + this.directionX = 0; + this.directionY = 0; + + this.wrapperOffset = utils.offset(this.wrapper); + + this._execEvent('refresh'); + + this.resetPosition(); + +// INSERT POINT: _refresh + + }, + + on: function (type, fn) { + if ( !this._events[type] ) { + this._events[type] = []; + } + + this._events[type].push(fn); + }, + + off: function (type, fn) { + if ( !this._events[type] ) { + return; + } + + var index = this._events[type].indexOf(fn); + + if ( index > -1 ) { + this._events[type].splice(index, 1); + } + }, + + _execEvent: function (type) { + if ( !this._events[type] ) { + return; + } + + var i = 0, + l = this._events[type].length; + + if ( !l ) { + return; + } + + for ( ; i < l; i++ ) { + this._events[type][i].apply(this, [].slice.call(arguments, 1)); + } + }, + + scrollBy: function (x, y, time, easing) { + x = this.x + x; + y = this.y + y; + time = time || 0; + + this.scrollTo(x, y, time, easing); + }, + + scrollTo: function (x, y, time, easing) { + easing = easing || utils.ease.circular; + + this.isInTransition = this.options.useTransition && time > 0; + + if ( !time || (this.options.useTransition && easing.style) ) { + this._transitionTimingFunction(easing.style); + this._transitionTime(time); + this._translate(x, y); + } else { + this._animate(x, y, time, easing.fn); + } + }, + + scrollToElement: function (el, time, offsetX, offsetY, easing) { + el = el.nodeType ? el : this.scroller.querySelector(el); + + if ( !el ) { + return; + } + + var pos = utils.offset(el); + + pos.left -= this.wrapperOffset.left; + pos.top -= this.wrapperOffset.top; + + // if offsetX/Y are true we center the element to the screen + if ( offsetX === true ) { + offsetX = Math.round(el.offsetWidth / 2 - this.wrapper.offsetWidth / 2); + } + if ( offsetY === true ) { + offsetY = Math.round(el.offsetHeight / 2 - this.wrapper.offsetHeight / 2); + } + + pos.left -= offsetX || 0; + pos.top -= offsetY || 0; + + pos.left = pos.left > 0 ? 0 : pos.left < this.maxScrollX ? this.maxScrollX : pos.left; + pos.top = pos.top > 0 ? 0 : pos.top < this.maxScrollY ? this.maxScrollY : pos.top; + + time = time === undefined || time === null || time === 'auto' ? Math.max(Math.abs(this.x-pos.left), Math.abs(this.y-pos.top)) : time; + + this.scrollTo(pos.left, pos.top, time, easing); + }, + + _transitionTime: function (time) { + time = time || 0; + + this.scrollerStyle[utils.style.transitionDuration] = time + 'ms'; + + if ( !time && utils.isBadAndroid ) { + this.scrollerStyle[utils.style.transitionDuration] = '0.001s'; + } + +// INSERT POINT: _transitionTime + + }, + + _transitionTimingFunction: function (easing) { + this.scrollerStyle[utils.style.transitionTimingFunction] = easing; + +// INSERT POINT: _transitionTimingFunction + + }, + + _translate: function (x, y) { + if ( this.options.useTransform ) { + +/* REPLACE START: _translate */ + + this.scrollerStyle[utils.style.transform] = 'translate(' + x + 'px,' + y + 'px)' + this.translateZ; + +/* REPLACE END: _translate */ + + } else { + x = Math.round(x); + y = Math.round(y); + this.scrollerStyle.left = x + 'px'; + this.scrollerStyle.top = y + 'px'; + } + + this.x = x; + this.y = y; + +// INSERT POINT: _translate + + }, + + _initEvents: function (remove) { + var eventType = remove ? utils.removeEvent : utils.addEvent, + target = this.options.bindToWrapper ? this.wrapper : window; + + eventType(window, 'orientationchange', this); + eventType(window, 'resize', this); + + if ( this.options.click ) { + eventType(this.wrapper, 'click', this, true); + } + + if ( !this.options.disableMouse ) { + eventType(this.wrapper, 'mousedown', this); + eventType(target, 'mousemove', this); + eventType(target, 'mousecancel', this); + eventType(target, 'mouseup', this); + } + + if ( utils.hasPointer && !this.options.disablePointer ) { + eventType(this.wrapper, utils.prefixPointerEvent('pointerdown'), this); + eventType(target, utils.prefixPointerEvent('pointermove'), this); + eventType(target, utils.prefixPointerEvent('pointercancel'), this); + eventType(target, utils.prefixPointerEvent('pointerup'), this); + } + + if ( utils.hasTouch && !this.options.disableTouch ) { + eventType(this.wrapper, 'touchstart', this); + eventType(target, 'touchmove', this); + eventType(target, 'touchcancel', this); + eventType(target, 'touchend', this); + } + + eventType(this.scroller, 'transitionend', this); + eventType(this.scroller, 'webkitTransitionEnd', this); + eventType(this.scroller, 'oTransitionEnd', this); + eventType(this.scroller, 'MSTransitionEnd', this); + }, + + getComputedPosition: function () { + var matrix = window.getComputedStyle(this.scroller, null), + x, y; + + if ( this.options.useTransform ) { + matrix = matrix[utils.style.transform].split(')')[0].split(', '); + x = +(matrix[12] || matrix[4]); + y = +(matrix[13] || matrix[5]); + } else { + x = +matrix.left.replace(/[^-\d.]/g, ''); + y = +matrix.top.replace(/[^-\d.]/g, ''); + } + + return { x: x, y: y }; + }, + + _animate: function (destX, destY, duration, easingFn) { + var that = this, + startX = this.x, + startY = this.y, + startTime = utils.getTime(), + destTime = startTime + duration; + + function step () { + var now = utils.getTime(), + newX, newY, + easing; + + if ( now >= destTime ) { + that.isAnimating = false; + that._translate(destX, destY); + + if ( !that.resetPosition(that.options.bounceTime) ) { + that._execEvent('scrollEnd'); + } + + return; + } + + now = ( now - startTime ) / duration; + easing = easingFn(now); + newX = ( destX - startX ) * easing + startX; + newY = ( destY - startY ) * easing + startY; + that._translate(newX, newY); + + if ( that.isAnimating ) { + rAF(step); + } + } + + this.isAnimating = true; + step(); + }, + handleEvent: function (e) { + switch ( e.type ) { + case 'touchstart': + case 'pointerdown': + case 'MSPointerDown': + case 'mousedown': + this._start(e); + break; + case 'touchmove': + case 'pointermove': + case 'MSPointerMove': + case 'mousemove': + this._move(e); + break; + case 'touchend': + case 'pointerup': + case 'MSPointerUp': + case 'mouseup': + case 'touchcancel': + case 'pointercancel': + case 'MSPointerCancel': + case 'mousecancel': + this._end(e); + break; + case 'orientationchange': + case 'resize': + this._resize(); + break; + case 'transitionend': + case 'webkitTransitionEnd': + case 'oTransitionEnd': + case 'MSTransitionEnd': + this._transitionEnd(e); + break; + case 'wheel': + case 'DOMMouseScroll': + case 'mousewheel': + this._wheel(e); + break; + case 'keydown': + this._key(e); + break; + case 'click': + if ( !e._constructed ) { + e.preventDefault(); + e.stopPropagation(); + } + break; + } + } +}; +IScroll.utils = utils; + +if ( typeof module != 'undefined' && module.exports ) { + module.exports = IScroll; +} else { + window.IScroll = IScroll; +} + +})(window, document, Math); \ No newline at end of file diff --git a/sorcery/iscroll-probe.js b/sorcery/iscroll-probe.js new file mode 100644 index 0000000..538d0e3 --- /dev/null +++ b/sorcery/iscroll-probe.js @@ -0,0 +1,2038 @@ +/*! iScroll v5.1.3 ~ (c) 2008-2014 Matteo Spinelli ~ http://cubiq.org/license */ +(function (window, document, Math) { +var rAF = window.requestAnimationFrame || + window.webkitRequestAnimationFrame || + window.mozRequestAnimationFrame || + window.oRequestAnimationFrame || + window.msRequestAnimationFrame || + function (callback) { window.setTimeout(callback, 1000 / 60); }; + +var utils = (function () { + var me = {}; + + var _elementStyle = document.createElement('div').style; + var _vendor = (function () { + var vendors = ['t', 'webkitT', 'MozT', 'msT', 'OT'], + transform, + i = 0, + l = vendors.length; + + for ( ; i < l; i++ ) { + transform = vendors[i] + 'ransform'; + if ( transform in _elementStyle ) return vendors[i].substr(0, vendors[i].length-1); + } + + return false; + })(); + + function _prefixStyle (style) { + if ( _vendor === false ) return false; + if ( _vendor === '' ) return style; + return _vendor + style.charAt(0).toUpperCase() + style.substr(1); + } + + me.getTime = Date.now || function getTime () { return new Date().getTime(); }; + + me.extend = function (target, obj) { + for ( var i in obj ) { + target[i] = obj[i]; + } + }; + + me.addEvent = function (el, type, fn, capture) { + el.addEventListener(type, fn, !!capture); + }; + + me.removeEvent = function (el, type, fn, capture) { + el.removeEventListener(type, fn, !!capture); + }; + + me.prefixPointerEvent = function (pointerEvent) { + return window.MSPointerEvent ? + 'MSPointer' + pointerEvent.charAt(9).toUpperCase() + pointerEvent.substr(10): + pointerEvent; + }; + + me.momentum = function (current, start, time, lowerMargin, wrapperSize, deceleration) { + var distance = current - start, + speed = Math.abs(distance) / time, + destination, + duration; + + deceleration = deceleration === undefined ? 0.0006 : deceleration; + + destination = current + ( speed * speed ) / ( 2 * deceleration ) * ( distance < 0 ? -1 : 1 ); + duration = speed / deceleration; + + if ( destination < lowerMargin ) { + destination = wrapperSize ? lowerMargin - ( wrapperSize / 2.5 * ( speed / 8 ) ) : lowerMargin; + distance = Math.abs(destination - current); + duration = distance / speed; + } else if ( destination > 0 ) { + destination = wrapperSize ? wrapperSize / 2.5 * ( speed / 8 ) : 0; + distance = Math.abs(current) + destination; + duration = distance / speed; + } + + return { + destination: Math.round(destination), + duration: duration + }; + }; + + var _transform = _prefixStyle('transform'); + + me.extend(me, { + hasTransform: _transform !== false, + hasPerspective: _prefixStyle('perspective') in _elementStyle, + hasTouch: 'ontouchstart' in window, + hasPointer: window.PointerEvent || window.MSPointerEvent, // IE10 is prefixed + hasTransition: _prefixStyle('transition') in _elementStyle + }); + + // This should find all Android browsers lower than build 535.19 (both stock browser and webview) + me.isBadAndroid = /Android /.test(window.navigator.appVersion) && !(/Chrome\/\d/.test(window.navigator.appVersion)); + + me.extend(me.style = {}, { + transform: _transform, + transitionTimingFunction: _prefixStyle('transitionTimingFunction'), + transitionDuration: _prefixStyle('transitionDuration'), + transitionDelay: _prefixStyle('transitionDelay'), + transformOrigin: _prefixStyle('transformOrigin') + }); + + me.hasClass = function (e, c) { + var re = new RegExp("(^|\\s)" + c + "(\\s|$)"); + return re.test(e.className); + }; + + me.addClass = function (e, c) { + if ( me.hasClass(e, c) ) { + return; + } + + var newclass = e.className.split(' '); + newclass.push(c); + e.className = newclass.join(' '); + }; + + me.removeClass = function (e, c) { + if ( !me.hasClass(e, c) ) { + return; + } + + var re = new RegExp("(^|\\s)" + c + "(\\s|$)", 'g'); + e.className = e.className.replace(re, ' '); + }; + + me.offset = function (el) { + var left = -el.offsetLeft, + top = -el.offsetTop; + + // jshint -W084 + while (el = el.offsetParent) { + left -= el.offsetLeft; + top -= el.offsetTop; + } + // jshint +W084 + + return { + left: left, + top: top + }; + }; + + me.preventDefaultException = function (el, exceptions) { + for ( var i in exceptions ) { + if ( exceptions[i].test(el[i]) ) { + return true; + } + } + + return false; + }; + + me.extend(me.eventType = {}, { + touchstart: 1, + touchmove: 1, + touchend: 1, + + mousedown: 2, + mousemove: 2, + mouseup: 2, + + pointerdown: 3, + pointermove: 3, + pointerup: 3, + + MSPointerDown: 3, + MSPointerMove: 3, + MSPointerUp: 3 + }); + + me.extend(me.ease = {}, { + quadratic: { + style: 'cubic-bezier(0.25, 0.46, 0.45, 0.94)', + fn: function (k) { + return k * ( 2 - k ); + } + }, + circular: { + style: 'cubic-bezier(0.1, 0.57, 0.1, 1)', // Not properly "circular" but this looks better, it should be (0.075, 0.82, 0.165, 1) + fn: function (k) { + return Math.sqrt( 1 - ( --k * k ) ); + } + }, + back: { + style: 'cubic-bezier(0.175, 0.885, 0.32, 1.275)', + fn: function (k) { + var b = 4; + return ( k = k - 1 ) * k * ( ( b + 1 ) * k + b ) + 1; + } + }, + bounce: { + style: '', + fn: function (k) { + if ( ( k /= 1 ) < ( 1 / 2.75 ) ) { + return 7.5625 * k * k; + } else if ( k < ( 2 / 2.75 ) ) { + return 7.5625 * ( k -= ( 1.5 / 2.75 ) ) * k + 0.75; + } else if ( k < ( 2.5 / 2.75 ) ) { + return 7.5625 * ( k -= ( 2.25 / 2.75 ) ) * k + 0.9375; + } else { + return 7.5625 * ( k -= ( 2.625 / 2.75 ) ) * k + 0.984375; + } + } + }, + elastic: { + style: '', + fn: function (k) { + var f = 0.22, + e = 0.4; + + if ( k === 0 ) { return 0; } + if ( k == 1 ) { return 1; } + + return ( e * Math.pow( 2, - 10 * k ) * Math.sin( ( k - f / 4 ) * ( 2 * Math.PI ) / f ) + 1 ); + } + } + }); + + me.tap = function (e, eventName) { + var ev = document.createEvent('Event'); + ev.initEvent(eventName, true, true); + ev.pageX = e.pageX; + ev.pageY = e.pageY; + e.target.dispatchEvent(ev); + }; + + me.click = function (e) { + var target = e.target, + ev; + + if ( !(/(SELECT|INPUT|TEXTAREA)/i).test(target.tagName) ) { + ev = document.createEvent('MouseEvents'); + ev.initMouseEvent('click', true, true, e.view, 1, + target.screenX, target.screenY, target.clientX, target.clientY, + e.ctrlKey, e.altKey, e.shiftKey, e.metaKey, + 0, null); + + ev._constructed = true; + target.dispatchEvent(ev); + } + }; + + return me; +})(); + +function IScroll (el, options) { + this.wrapper = typeof el == 'string' ? document.querySelector(el) : el; + this.scroller = this.wrapper.children[0]; + this.scrollerStyle = this.scroller.style; // cache style for better performance + + this.options = { + + resizeScrollbars: true, + + mouseWheelSpeed: 20, + + snapThreshold: 0.334, + +// INSERT POINT: OPTIONS + + startX: 0, + startY: 0, + scrollY: true, + directionLockThreshold: 5, + momentum: true, + + bounce: true, + bounceTime: 600, + bounceEasing: '', + + preventDefault: true, + preventDefaultException: { tagName: /^(INPUT|TEXTAREA|BUTTON|SELECT)$/ }, + + HWCompositing: true, + useTransition: true, + useTransform: true + }; + + for ( var i in options ) { + this.options[i] = options[i]; + } + + // Normalize options + this.translateZ = this.options.HWCompositing && utils.hasPerspective ? ' translateZ(0)' : ''; + + this.options.useTransition = utils.hasTransition && this.options.useTransition; + this.options.useTransform = utils.hasTransform && this.options.useTransform; + + this.options.eventPassthrough = this.options.eventPassthrough === true ? 'vertical' : this.options.eventPassthrough; + this.options.preventDefault = !this.options.eventPassthrough && this.options.preventDefault; + + // If you want eventPassthrough I have to lock one of the axes + this.options.scrollY = this.options.eventPassthrough == 'vertical' ? false : this.options.scrollY; + this.options.scrollX = this.options.eventPassthrough == 'horizontal' ? false : this.options.scrollX; + + // With eventPassthrough we also need lockDirection mechanism + this.options.freeScroll = this.options.freeScroll && !this.options.eventPassthrough; + this.options.directionLockThreshold = this.options.eventPassthrough ? 0 : this.options.directionLockThreshold; + + this.options.bounceEasing = typeof this.options.bounceEasing == 'string' ? utils.ease[this.options.bounceEasing] || utils.ease.circular : this.options.bounceEasing; + + this.options.resizePolling = this.options.resizePolling === undefined ? 60 : this.options.resizePolling; + + if ( this.options.tap === true ) { + this.options.tap = 'tap'; + } + + if ( this.options.shrinkScrollbars == 'scale' ) { + this.options.useTransition = false; + } + + this.options.invertWheelDirection = this.options.invertWheelDirection ? -1 : 1; + + if ( this.options.probeType == 3 ) { + this.options.useTransition = false; } + +// INSERT POINT: NORMALIZATION + + // Some defaults + this.x = 0; + this.y = 0; + this.directionX = 0; + this.directionY = 0; + this._events = {}; + +// INSERT POINT: DEFAULTS + + this._init(); + this.refresh(); + + this.scrollTo(this.options.startX, this.options.startY); + this.enable(); +} + +IScroll.prototype = { + version: '5.1.3', + + _init: function () { + this._initEvents(); + + if ( this.options.scrollbars || this.options.indicators ) { + this._initIndicators(); + } + + if ( this.options.mouseWheel ) { + this._initWheel(); + } + + if ( this.options.snap ) { + this._initSnap(); + } + + if ( this.options.keyBindings ) { + this._initKeys(); + } + +// INSERT POINT: _init + + }, + + destroy: function () { + this._initEvents(true); + + this._execEvent('destroy'); + }, + + _transitionEnd: function (e) { + if ( e.target != this.scroller || !this.isInTransition ) { + return; + } + + this._transitionTime(); + if ( !this.resetPosition(this.options.bounceTime) ) { + this.isInTransition = false; + this._execEvent('scrollEnd'); + } + }, + + _start: function (e) { + // React to left mouse button only + if ( utils.eventType[e.type] != 1 ) { + if ( e.button !== 0 ) { + return; + } + } + + if ( !this.enabled || (this.initiated && utils.eventType[e.type] !== this.initiated) ) { + return; + } + + if ( this.options.preventDefault && !utils.isBadAndroid && !utils.preventDefaultException(e.target, this.options.preventDefaultException) ) { + e.preventDefault(); + } + + var point = e.touches ? e.touches[0] : e, + pos; + + this.initiated = utils.eventType[e.type]; + this.moved = false; + this.distX = 0; + this.distY = 0; + this.directionX = 0; + this.directionY = 0; + this.directionLocked = 0; + + this._transitionTime(); + + this.startTime = utils.getTime(); + + if ( this.options.useTransition && this.isInTransition ) { + this.isInTransition = false; + pos = this.getComputedPosition(); + this._translate(Math.round(pos.x), Math.round(pos.y)); + this._execEvent('scrollEnd'); + } else if ( !this.options.useTransition && this.isAnimating ) { + this.isAnimating = false; + this._execEvent('scrollEnd'); + } + + this.startX = this.x; + this.startY = this.y; + this.absStartX = this.x; + this.absStartY = this.y; + this.pointX = point.pageX; + this.pointY = point.pageY; + + this._execEvent('beforeScrollStart'); + }, + + _move: function (e) { + if ( !this.enabled || utils.eventType[e.type] !== this.initiated ) { + return; + } + + if ( this.options.preventDefault ) { // increases performance on Android? TODO: check! + e.preventDefault(); + } + + var point = e.touches ? e.touches[0] : e, + deltaX = point.pageX - this.pointX, + deltaY = point.pageY - this.pointY, + timestamp = utils.getTime(), + newX, newY, + absDistX, absDistY; + + this.pointX = point.pageX; + this.pointY = point.pageY; + + this.distX += deltaX; + this.distY += deltaY; + absDistX = Math.abs(this.distX); + absDistY = Math.abs(this.distY); + + // We need to move at least 10 pixels for the scrolling to initiate + if ( timestamp - this.endTime > 300 && (absDistX < 10 && absDistY < 10) ) { + return; + } + + // If you are scrolling in one direction lock the other + if ( !this.directionLocked && !this.options.freeScroll ) { + if ( absDistX > absDistY + this.options.directionLockThreshold ) { + this.directionLocked = 'h'; // lock horizontally + } else if ( absDistY >= absDistX + this.options.directionLockThreshold ) { + this.directionLocked = 'v'; // lock vertically + } else { + this.directionLocked = 'n'; // no lock + } + } + + if ( this.directionLocked == 'h' ) { + if ( this.options.eventPassthrough == 'vertical' ) { + e.preventDefault(); + } else if ( this.options.eventPassthrough == 'horizontal' ) { + this.initiated = false; + return; + } + + deltaY = 0; + } else if ( this.directionLocked == 'v' ) { + if ( this.options.eventPassthrough == 'horizontal' ) { + e.preventDefault(); + } else if ( this.options.eventPassthrough == 'vertical' ) { + this.initiated = false; + return; + } + + deltaX = 0; + } + + deltaX = this.hasHorizontalScroll ? deltaX : 0; + deltaY = this.hasVerticalScroll ? deltaY : 0; + + newX = this.x + deltaX; + newY = this.y + deltaY; + + // Slow down if outside of the boundaries + if ( newX > 0 || newX < this.maxScrollX ) { + newX = this.options.bounce ? this.x + deltaX / 3 : newX > 0 ? 0 : this.maxScrollX; + } + if ( newY > 0 || newY < this.maxScrollY ) { + newY = this.options.bounce ? this.y + deltaY / 3 : newY > 0 ? 0 : this.maxScrollY; + } + + this.directionX = deltaX > 0 ? -1 : deltaX < 0 ? 1 : 0; + this.directionY = deltaY > 0 ? -1 : deltaY < 0 ? 1 : 0; + + if ( !this.moved ) { + this._execEvent('scrollStart'); + } + + this.moved = true; + + this._translate(newX, newY); + +/* REPLACE START: _move */ + if ( timestamp - this.startTime > 300 ) { + this.startTime = timestamp; + this.startX = this.x; + this.startY = this.y; + + if ( this.options.probeType == 1 ) { + this._execEvent('scroll'); + } + } + + if ( this.options.probeType > 1 ) { + this._execEvent('scroll'); + } +/* REPLACE END: _move */ + + }, + + _end: function (e) { + if ( !this.enabled || utils.eventType[e.type] !== this.initiated ) { + return; + } + + if ( this.options.preventDefault && !utils.preventDefaultException(e.target, this.options.preventDefaultException) ) { + e.preventDefault(); + } + + var point = e.changedTouches ? e.changedTouches[0] : e, + momentumX, + momentumY, + duration = utils.getTime() - this.startTime, + newX = Math.round(this.x), + newY = Math.round(this.y), + distanceX = Math.abs(newX - this.startX), + distanceY = Math.abs(newY - this.startY), + time = 0, + easing = ''; + + this.isInTransition = 0; + this.initiated = 0; + this.endTime = utils.getTime(); + + // reset if we are outside of the boundaries + if ( this.resetPosition(this.options.bounceTime) ) { + return; + } + + this.scrollTo(newX, newY); // ensures that the last position is rounded + + // we scrolled less than 10 pixels + if ( !this.moved ) { + if ( this.options.tap ) { + utils.tap(e, this.options.tap); + } + + if ( this.options.click ) { + utils.click(e); + } + + this._execEvent('scrollCancel'); + return; + } + + if ( this._events.flick && duration < 200 && distanceX < 100 && distanceY < 100 ) { + this._execEvent('flick'); + return; + } + + // start momentum animation if needed + if ( this.options.momentum && duration < 300 ) { + momentumX = this.hasHorizontalScroll ? utils.momentum(this.x, this.startX, duration, this.maxScrollX, this.options.bounce ? this.wrapperWidth : 0, this.options.deceleration) : { destination: newX, duration: 0 }; + momentumY = this.hasVerticalScroll ? utils.momentum(this.y, this.startY, duration, this.maxScrollY, this.options.bounce ? this.wrapperHeight : 0, this.options.deceleration) : { destination: newY, duration: 0 }; + newX = momentumX.destination; + newY = momentumY.destination; + time = Math.max(momentumX.duration, momentumY.duration); + this.isInTransition = 1; + } + + + if ( this.options.snap ) { + var snap = this._nearestSnap(newX, newY); + this.currentPage = snap; + time = this.options.snapSpeed || Math.max( + Math.max( + Math.min(Math.abs(newX - snap.x), 1000), + Math.min(Math.abs(newY - snap.y), 1000) + ), 300); + newX = snap.x; + newY = snap.y; + + this.directionX = 0; + this.directionY = 0; + easing = this.options.bounceEasing; + } + +// INSERT POINT: _end + + if ( newX != this.x || newY != this.y ) { + // change easing function when scroller goes out of the boundaries + if ( newX > 0 || newX < this.maxScrollX || newY > 0 || newY < this.maxScrollY ) { + easing = utils.ease.quadratic; + } + + this.scrollTo(newX, newY, time, easing); + return; + } + + this._execEvent('scrollEnd'); + }, + + _resize: function () { + var that = this; + + clearTimeout(this.resizeTimeout); + + this.resizeTimeout = setTimeout(function () { + that.refresh(); + }, this.options.resizePolling); + }, + + resetPosition: function (time) { + var x = this.x, + y = this.y; + + time = time || 0; + + if ( !this.hasHorizontalScroll || this.x > 0 ) { + x = 0; + } else if ( this.x < this.maxScrollX ) { + x = this.maxScrollX; + } + + if ( !this.hasVerticalScroll || this.y > 0 ) { + y = 0; + } else if ( this.y < this.maxScrollY ) { + y = this.maxScrollY; + } + + if ( x == this.x && y == this.y ) { + return false; + } + + this.scrollTo(x, y, time, this.options.bounceEasing); + + return true; + }, + + disable: function () { + this.enabled = false; + }, + + enable: function () { + this.enabled = true; + }, + + refresh: function () { + var rf = this.wrapper.offsetHeight; // Force reflow + + this.wrapperWidth = this.wrapper.clientWidth; + this.wrapperHeight = this.wrapper.clientHeight; + +/* REPLACE START: refresh */ + + this.scrollerWidth = this.scroller.offsetWidth; + this.scrollerHeight = this.scroller.offsetHeight; + + this.maxScrollX = this.wrapperWidth - this.scrollerWidth; + this.maxScrollY = this.wrapperHeight - this.scrollerHeight; + +/* REPLACE END: refresh */ + + this.hasHorizontalScroll = this.options.scrollX && this.maxScrollX < 0; + this.hasVerticalScroll = this.options.scrollY && this.maxScrollY < 0; + + if ( !this.hasHorizontalScroll ) { + this.maxScrollX = 0; + this.scrollerWidth = this.wrapperWidth; + } + + if ( !this.hasVerticalScroll ) { + this.maxScrollY = 0; + this.scrollerHeight = this.wrapperHeight; + } + + this.endTime = 0; + this.directionX = 0; + this.directionY = 0; + + this.wrapperOffset = utils.offset(this.wrapper); + + this._execEvent('refresh'); + + this.resetPosition(); + +// INSERT POINT: _refresh + + }, + + on: function (type, fn) { + if ( !this._events[type] ) { + this._events[type] = []; + } + + this._events[type].push(fn); + }, + + off: function (type, fn) { + if ( !this._events[type] ) { + return; + } + + var index = this._events[type].indexOf(fn); + + if ( index > -1 ) { + this._events[type].splice(index, 1); + } + }, + + _execEvent: function (type) { + if ( !this._events[type] ) { + return; + } + + var i = 0, + l = this._events[type].length; + + if ( !l ) { + return; + } + + for ( ; i < l; i++ ) { + this._events[type][i].apply(this, [].slice.call(arguments, 1)); + } + }, + + scrollBy: function (x, y, time, easing) { + x = this.x + x; + y = this.y + y; + time = time || 0; + + this.scrollTo(x, y, time, easing); + }, + + scrollTo: function (x, y, time, easing) { + easing = easing || utils.ease.circular; + + this.isInTransition = this.options.useTransition && time > 0; + + if ( !time || (this.options.useTransition && easing.style) ) { + this._transitionTimingFunction(easing.style); + this._transitionTime(time); + this._translate(x, y); + } else { + this._animate(x, y, time, easing.fn); + } + }, + + scrollToElement: function (el, time, offsetX, offsetY, easing) { + el = el.nodeType ? el : this.scroller.querySelector(el); + + if ( !el ) { + return; + } + + var pos = utils.offset(el); + + pos.left -= this.wrapperOffset.left; + pos.top -= this.wrapperOffset.top; + + // if offsetX/Y are true we center the element to the screen + if ( offsetX === true ) { + offsetX = Math.round(el.offsetWidth / 2 - this.wrapper.offsetWidth / 2); + } + if ( offsetY === true ) { + offsetY = Math.round(el.offsetHeight / 2 - this.wrapper.offsetHeight / 2); + } + + pos.left -= offsetX || 0; + pos.top -= offsetY || 0; + + pos.left = pos.left > 0 ? 0 : pos.left < this.maxScrollX ? this.maxScrollX : pos.left; + pos.top = pos.top > 0 ? 0 : pos.top < this.maxScrollY ? this.maxScrollY : pos.top; + + time = time === undefined || time === null || time === 'auto' ? Math.max(Math.abs(this.x-pos.left), Math.abs(this.y-pos.top)) : time; + + this.scrollTo(pos.left, pos.top, time, easing); + }, + + _transitionTime: function (time) { + time = time || 0; + + this.scrollerStyle[utils.style.transitionDuration] = time + 'ms'; + + if ( !time && utils.isBadAndroid ) { + this.scrollerStyle[utils.style.transitionDuration] = '0.001s'; + } + + + if ( this.indicators ) { + for ( var i = this.indicators.length; i--; ) { + this.indicators[i].transitionTime(time); + } + } + + +// INSERT POINT: _transitionTime + + }, + + _transitionTimingFunction: function (easing) { + this.scrollerStyle[utils.style.transitionTimingFunction] = easing; + + + if ( this.indicators ) { + for ( var i = this.indicators.length; i--; ) { + this.indicators[i].transitionTimingFunction(easing); + } + } + + +// INSERT POINT: _transitionTimingFunction + + }, + + _translate: function (x, y) { + if ( this.options.useTransform ) { + +/* REPLACE START: _translate */ + + this.scrollerStyle[utils.style.transform] = 'translate(' + x + 'px,' + y + 'px)' + this.translateZ; + +/* REPLACE END: _translate */ + + } else { + x = Math.round(x); + y = Math.round(y); + this.scrollerStyle.left = x + 'px'; + this.scrollerStyle.top = y + 'px'; + } + + this.x = x; + this.y = y; + + + if ( this.indicators ) { + for ( var i = this.indicators.length; i--; ) { + this.indicators[i].updatePosition(); + } + } + + +// INSERT POINT: _translate + + }, + + _initEvents: function (remove) { + var eventType = remove ? utils.removeEvent : utils.addEvent, + target = this.options.bindToWrapper ? this.wrapper : window; + + eventType(window, 'orientationchange', this); + eventType(window, 'resize', this); + + if ( this.options.click ) { + eventType(this.wrapper, 'click', this, true); + } + + if ( !this.options.disableMouse ) { + eventType(this.wrapper, 'mousedown', this); + eventType(target, 'mousemove', this); + eventType(target, 'mousecancel', this); + eventType(target, 'mouseup', this); + } + + if ( utils.hasPointer && !this.options.disablePointer ) { + eventType(this.wrapper, utils.prefixPointerEvent('pointerdown'), this); + eventType(target, utils.prefixPointerEvent('pointermove'), this); + eventType(target, utils.prefixPointerEvent('pointercancel'), this); + eventType(target, utils.prefixPointerEvent('pointerup'), this); + } + + if ( utils.hasTouch && !this.options.disableTouch ) { + eventType(this.wrapper, 'touchstart', this); + eventType(target, 'touchmove', this); + eventType(target, 'touchcancel', this); + eventType(target, 'touchend', this); + } + + eventType(this.scroller, 'transitionend', this); + eventType(this.scroller, 'webkitTransitionEnd', this); + eventType(this.scroller, 'oTransitionEnd', this); + eventType(this.scroller, 'MSTransitionEnd', this); + }, + + getComputedPosition: function () { + var matrix = window.getComputedStyle(this.scroller, null), + x, y; + + if ( this.options.useTransform ) { + matrix = matrix[utils.style.transform].split(')')[0].split(', '); + x = +(matrix[12] || matrix[4]); + y = +(matrix[13] || matrix[5]); + } else { + x = +matrix.left.replace(/[^-\d.]/g, ''); + y = +matrix.top.replace(/[^-\d.]/g, ''); + } + + return { x: x, y: y }; + }, + + _initIndicators: function () { + var interactive = this.options.interactiveScrollbars, + customStyle = typeof this.options.scrollbars != 'string', + indicators = [], + indicator; + + var that = this; + + this.indicators = []; + + if ( this.options.scrollbars ) { + // Vertical scrollbar + if ( this.options.scrollY ) { + indicator = { + el: createDefaultScrollbar('v', interactive, this.options.scrollbars), + interactive: interactive, + defaultScrollbars: true, + customStyle: customStyle, + resize: this.options.resizeScrollbars, + shrink: this.options.shrinkScrollbars, + fade: this.options.fadeScrollbars, + listenX: false + }; + + this.wrapper.appendChild(indicator.el); + indicators.push(indicator); + } + + // Horizontal scrollbar + if ( this.options.scrollX ) { + indicator = { + el: createDefaultScrollbar('h', interactive, this.options.scrollbars), + interactive: interactive, + defaultScrollbars: true, + customStyle: customStyle, + resize: this.options.resizeScrollbars, + shrink: this.options.shrinkScrollbars, + fade: this.options.fadeScrollbars, + listenY: false + }; + + this.wrapper.appendChild(indicator.el); + indicators.push(indicator); + } + } + + if ( this.options.indicators ) { + // TODO: check concat compatibility + indicators = indicators.concat(this.options.indicators); + } + + for ( var i = indicators.length; i--; ) { + this.indicators.push( new Indicator(this, indicators[i]) ); + } + + // TODO: check if we can use array.map (wide compatibility and performance issues) + function _indicatorsMap (fn) { + for ( var i = that.indicators.length; i--; ) { + fn.call(that.indicators[i]); + } + } + + if ( this.options.fadeScrollbars ) { + this.on('scrollEnd', function () { + _indicatorsMap(function () { + this.fade(); + }); + }); + + this.on('scrollCancel', function () { + _indicatorsMap(function () { + this.fade(); + }); + }); + + this.on('scrollStart', function () { + _indicatorsMap(function () { + this.fade(1); + }); + }); + + this.on('beforeScrollStart', function () { + _indicatorsMap(function () { + this.fade(1, true); + }); + }); + } + + + this.on('refresh', function () { + _indicatorsMap(function () { + this.refresh(); + }); + }); + + this.on('destroy', function () { + _indicatorsMap(function () { + this.destroy(); + }); + + delete this.indicators; + }); + }, + + _initWheel: function () { + utils.addEvent(this.wrapper, 'wheel', this); + utils.addEvent(this.wrapper, 'mousewheel', this); + utils.addEvent(this.wrapper, 'DOMMouseScroll', this); + + this.on('destroy', function () { + utils.removeEvent(this.wrapper, 'wheel', this); + utils.removeEvent(this.wrapper, 'mousewheel', this); + utils.removeEvent(this.wrapper, 'DOMMouseScroll', this); + }); + }, + + _wheel: function (e) { + if ( !this.enabled ) { + return; + } + + e.preventDefault(); + e.stopPropagation(); + + var wheelDeltaX, wheelDeltaY, + newX, newY, + that = this; + + if ( this.wheelTimeout === undefined ) { + that._execEvent('scrollStart'); + } + + // Execute the scrollEnd event after 400ms the wheel stopped scrolling + clearTimeout(this.wheelTimeout); + this.wheelTimeout = setTimeout(function () { + that._execEvent('scrollEnd'); + that.wheelTimeout = undefined; + }, 400); + + if ( 'deltaX' in e ) { + if (e.deltaMode === 1) { + wheelDeltaX = -e.deltaX * this.options.mouseWheelSpeed; + wheelDeltaY = -e.deltaY * this.options.mouseWheelSpeed; + } else { + wheelDeltaX = -e.deltaX; + wheelDeltaY = -e.deltaY; + } + } else if ( 'wheelDeltaX' in e ) { + wheelDeltaX = e.wheelDeltaX / 120 * this.options.mouseWheelSpeed; + wheelDeltaY = e.wheelDeltaY / 120 * this.options.mouseWheelSpeed; + } else if ( 'wheelDelta' in e ) { + wheelDeltaX = wheelDeltaY = e.wheelDelta / 120 * this.options.mouseWheelSpeed; + } else if ( 'detail' in e ) { + wheelDeltaX = wheelDeltaY = -e.detail / 3 * this.options.mouseWheelSpeed; + } else { + return; + } + + wheelDeltaX *= this.options.invertWheelDirection; + wheelDeltaY *= this.options.invertWheelDirection; + + if ( !this.hasVerticalScroll ) { + wheelDeltaX = wheelDeltaY; + wheelDeltaY = 0; + } + + if ( this.options.snap ) { + newX = this.currentPage.pageX; + newY = this.currentPage.pageY; + + if ( wheelDeltaX > 0 ) { + newX--; + } else if ( wheelDeltaX < 0 ) { + newX++; + } + + if ( wheelDeltaY > 0 ) { + newY--; + } else if ( wheelDeltaY < 0 ) { + newY++; + } + + this.goToPage(newX, newY); + + return; + } + + newX = this.x + Math.round(this.hasHorizontalScroll ? wheelDeltaX : 0); + newY = this.y + Math.round(this.hasVerticalScroll ? wheelDeltaY : 0); + + if ( newX > 0 ) { + newX = 0; + } else if ( newX < this.maxScrollX ) { + newX = this.maxScrollX; + } + + if ( newY > 0 ) { + newY = 0; + } else if ( newY < this.maxScrollY ) { + newY = this.maxScrollY; + } + + this.scrollTo(newX, newY, 0); + + if ( this.options.probeType > 1 ) { + this._execEvent('scroll'); + } + +// INSERT POINT: _wheel + }, + + _initSnap: function () { + this.currentPage = {}; + + if ( typeof this.options.snap == 'string' ) { + this.options.snap = this.scroller.querySelectorAll(this.options.snap); + } + + this.on('refresh', function () { + var i = 0, l, + m = 0, n, + cx, cy, + x = 0, y, + stepX = this.options.snapStepX || this.wrapperWidth, + stepY = this.options.snapStepY || this.wrapperHeight, + el; + + this.pages = []; + + if ( !this.wrapperWidth || !this.wrapperHeight || !this.scrollerWidth || !this.scrollerHeight ) { + return; + } + + if ( this.options.snap === true ) { + cx = Math.round( stepX / 2 ); + cy = Math.round( stepY / 2 ); + + while ( x > -this.scrollerWidth ) { + this.pages[i] = []; + l = 0; + y = 0; + + while ( y > -this.scrollerHeight ) { + this.pages[i][l] = { + x: Math.max(x, this.maxScrollX), + y: Math.max(y, this.maxScrollY), + width: stepX, + height: stepY, + cx: x - cx, + cy: y - cy + }; + + y -= stepY; + l++; + } + + x -= stepX; + i++; + } + } else { + el = this.options.snap; + l = el.length; + n = -1; + + for ( ; i < l; i++ ) { + if ( i === 0 || el[i].offsetLeft <= el[i-1].offsetLeft ) { + m = 0; + n++; + } + + if ( !this.pages[m] ) { + this.pages[m] = []; + } + + x = Math.max(-el[i].offsetLeft, this.maxScrollX); + y = Math.max(-el[i].offsetTop, this.maxScrollY); + cx = x - Math.round(el[i].offsetWidth / 2); + cy = y - Math.round(el[i].offsetHeight / 2); + + this.pages[m][n] = { + x: x, + y: y, + width: el[i].offsetWidth, + height: el[i].offsetHeight, + cx: cx, + cy: cy + }; + + if ( x > this.maxScrollX ) { + m++; + } + } + } + + this.goToPage(this.currentPage.pageX || 0, this.currentPage.pageY || 0, 0); + + // Update snap threshold if needed + if ( this.options.snapThreshold % 1 === 0 ) { + this.snapThresholdX = this.options.snapThreshold; + this.snapThresholdY = this.options.snapThreshold; + } else { + this.snapThresholdX = Math.round(this.pages[this.currentPage.pageX][this.currentPage.pageY].width * this.options.snapThreshold); + this.snapThresholdY = Math.round(this.pages[this.currentPage.pageX][this.currentPage.pageY].height * this.options.snapThreshold); + } + }); + + this.on('flick', function () { + var time = this.options.snapSpeed || Math.max( + Math.max( + Math.min(Math.abs(this.x - this.startX), 1000), + Math.min(Math.abs(this.y - this.startY), 1000) + ), 300); + + this.goToPage( + this.currentPage.pageX + this.directionX, + this.currentPage.pageY + this.directionY, + time + ); + }); + }, + + _nearestSnap: function (x, y) { + if ( !this.pages.length ) { + return { x: 0, y: 0, pageX: 0, pageY: 0 }; + } + + var i = 0, + l = this.pages.length, + m = 0; + + // Check if we exceeded the snap threshold + if ( Math.abs(x - this.absStartX) < this.snapThresholdX && + Math.abs(y - this.absStartY) < this.snapThresholdY ) { + return this.currentPage; + } + + if ( x > 0 ) { + x = 0; + } else if ( x < this.maxScrollX ) { + x = this.maxScrollX; + } + + if ( y > 0 ) { + y = 0; + } else if ( y < this.maxScrollY ) { + y = this.maxScrollY; + } + + for ( ; i < l; i++ ) { + if ( x >= this.pages[i][0].cx ) { + x = this.pages[i][0].x; + break; + } + } + + l = this.pages[i].length; + + for ( ; m < l; m++ ) { + if ( y >= this.pages[0][m].cy ) { + y = this.pages[0][m].y; + break; + } + } + + if ( i == this.currentPage.pageX ) { + i += this.directionX; + + if ( i < 0 ) { + i = 0; + } else if ( i >= this.pages.length ) { + i = this.pages.length - 1; + } + + x = this.pages[i][0].x; + } + + if ( m == this.currentPage.pageY ) { + m += this.directionY; + + if ( m < 0 ) { + m = 0; + } else if ( m >= this.pages[0].length ) { + m = this.pages[0].length - 1; + } + + y = this.pages[0][m].y; + } + + return { + x: x, + y: y, + pageX: i, + pageY: m + }; + }, + + goToPage: function (x, y, time, easing) { + easing = easing || this.options.bounceEasing; + + if ( x >= this.pages.length ) { + x = this.pages.length - 1; + } else if ( x < 0 ) { + x = 0; + } + + if ( y >= this.pages[x].length ) { + y = this.pages[x].length - 1; + } else if ( y < 0 ) { + y = 0; + } + + var posX = this.pages[x][y].x, + posY = this.pages[x][y].y; + + time = time === undefined ? this.options.snapSpeed || Math.max( + Math.max( + Math.min(Math.abs(posX - this.x), 1000), + Math.min(Math.abs(posY - this.y), 1000) + ), 300) : time; + + this.currentPage = { + x: posX, + y: posY, + pageX: x, + pageY: y + }; + + this.scrollTo(posX, posY, time, easing); + }, + + next: function (time, easing) { + var x = this.currentPage.pageX, + y = this.currentPage.pageY; + + x++; + + if ( x >= this.pages.length && this.hasVerticalScroll ) { + x = 0; + y++; + } + + this.goToPage(x, y, time, easing); + }, + + prev: function (time, easing) { + var x = this.currentPage.pageX, + y = this.currentPage.pageY; + + x--; + + if ( x < 0 && this.hasVerticalScroll ) { + x = 0; + y--; + } + + this.goToPage(x, y, time, easing); + }, + + _initKeys: function (e) { + // default key bindings + var keys = { + pageUp: 33, + pageDown: 34, + end: 35, + home: 36, + left: 37, + up: 38, + right: 39, + down: 40 + }; + var i; + + // if you give me characters I give you keycode + if ( typeof this.options.keyBindings == 'object' ) { + for ( i in this.options.keyBindings ) { + if ( typeof this.options.keyBindings[i] == 'string' ) { + this.options.keyBindings[i] = this.options.keyBindings[i].toUpperCase().charCodeAt(0); + } + } + } else { + this.options.keyBindings = {}; + } + + for ( i in keys ) { + this.options.keyBindings[i] = this.options.keyBindings[i] || keys[i]; + } + + utils.addEvent(window, 'keydown', this); + + this.on('destroy', function () { + utils.removeEvent(window, 'keydown', this); + }); + }, + + _key: function (e) { + if ( !this.enabled ) { + return; + } + + var snap = this.options.snap, // we are using this alot, better to cache it + newX = snap ? this.currentPage.pageX : this.x, + newY = snap ? this.currentPage.pageY : this.y, + now = utils.getTime(), + prevTime = this.keyTime || 0, + acceleration = 0.250, + pos; + + if ( this.options.useTransition && this.isInTransition ) { + pos = this.getComputedPosition(); + + this._translate(Math.round(pos.x), Math.round(pos.y)); + this.isInTransition = false; + } + + this.keyAcceleration = now - prevTime < 200 ? Math.min(this.keyAcceleration + acceleration, 50) : 0; + + switch ( e.keyCode ) { + case this.options.keyBindings.pageUp: + if ( this.hasHorizontalScroll && !this.hasVerticalScroll ) { + newX += snap ? 1 : this.wrapperWidth; + } else { + newY += snap ? 1 : this.wrapperHeight; + } + break; + case this.options.keyBindings.pageDown: + if ( this.hasHorizontalScroll && !this.hasVerticalScroll ) { + newX -= snap ? 1 : this.wrapperWidth; + } else { + newY -= snap ? 1 : this.wrapperHeight; + } + break; + case this.options.keyBindings.end: + newX = snap ? this.pages.length-1 : this.maxScrollX; + newY = snap ? this.pages[0].length-1 : this.maxScrollY; + break; + case this.options.keyBindings.home: + newX = 0; + newY = 0; + break; + case this.options.keyBindings.left: + newX += snap ? -1 : 5 + this.keyAcceleration>>0; + break; + case this.options.keyBindings.up: + newY += snap ? 1 : 5 + this.keyAcceleration>>0; + break; + case this.options.keyBindings.right: + newX -= snap ? -1 : 5 + this.keyAcceleration>>0; + break; + case this.options.keyBindings.down: + newY -= snap ? 1 : 5 + this.keyAcceleration>>0; + break; + default: + return; + } + + if ( snap ) { + this.goToPage(newX, newY); + return; + } + + if ( newX > 0 ) { + newX = 0; + this.keyAcceleration = 0; + } else if ( newX < this.maxScrollX ) { + newX = this.maxScrollX; + this.keyAcceleration = 0; + } + + if ( newY > 0 ) { + newY = 0; + this.keyAcceleration = 0; + } else if ( newY < this.maxScrollY ) { + newY = this.maxScrollY; + this.keyAcceleration = 0; + } + + this.scrollTo(newX, newY, 0); + + this.keyTime = now; + }, + + _animate: function (destX, destY, duration, easingFn) { + var that = this, + startX = this.x, + startY = this.y, + startTime = utils.getTime(), + destTime = startTime + duration; + + function step () { + var now = utils.getTime(), + newX, newY, + easing; + + if ( now >= destTime ) { + that.isAnimating = false; + that._translate(destX, destY); + + if ( !that.resetPosition(that.options.bounceTime) ) { + that._execEvent('scrollEnd'); + } + + return; + } + + now = ( now - startTime ) / duration; + easing = easingFn(now); + newX = ( destX - startX ) * easing + startX; + newY = ( destY - startY ) * easing + startY; + that._translate(newX, newY); + + if ( that.isAnimating ) { + rAF(step); + } + + if ( that.options.probeType == 3 ) { + that._execEvent('scroll'); + } + } + + this.isAnimating = true; + step(); + }, + + handleEvent: function (e) { + switch ( e.type ) { + case 'touchstart': + case 'pointerdown': + case 'MSPointerDown': + case 'mousedown': + this._start(e); + break; + case 'touchmove': + case 'pointermove': + case 'MSPointerMove': + case 'mousemove': + this._move(e); + break; + case 'touchend': + case 'pointerup': + case 'MSPointerUp': + case 'mouseup': + case 'touchcancel': + case 'pointercancel': + case 'MSPointerCancel': + case 'mousecancel': + this._end(e); + break; + case 'orientationchange': + case 'resize': + this._resize(); + break; + case 'transitionend': + case 'webkitTransitionEnd': + case 'oTransitionEnd': + case 'MSTransitionEnd': + this._transitionEnd(e); + break; + case 'wheel': + case 'DOMMouseScroll': + case 'mousewheel': + this._wheel(e); + break; + case 'keydown': + this._key(e); + break; + case 'click': + if ( !e._constructed ) { + e.preventDefault(); + e.stopPropagation(); + } + break; + } + } +}; +function createDefaultScrollbar (direction, interactive, type) { + var scrollbar = document.createElement('div'), + indicator = document.createElement('div'); + + if ( type === true ) { + scrollbar.style.cssText = 'position:absolute;z-index:9999'; + indicator.style.cssText = '-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;position:absolute;background:rgba(0,0,0,0.5);border:1px solid rgba(255,255,255,0.9);border-radius:3px'; + } + + indicator.className = 'iScrollIndicator'; + + if ( direction == 'h' ) { + if ( type === true ) { + scrollbar.style.cssText += ';height:7px;left:2px;right:2px;bottom:0'; + indicator.style.height = '100%'; + } + scrollbar.className = 'iScrollHorizontalScrollbar'; + } else { + if ( type === true ) { + scrollbar.style.cssText += ';width:7px;bottom:2px;top:2px;right:1px'; + indicator.style.width = '100%'; + } + scrollbar.className = 'iScrollVerticalScrollbar'; + } + + scrollbar.style.cssText += ';overflow:hidden'; + + if ( !interactive ) { + scrollbar.style.pointerEvents = 'none'; + } + + scrollbar.appendChild(indicator); + + return scrollbar; +} + +function Indicator (scroller, options) { + this.wrapper = typeof options.el == 'string' ? document.querySelector(options.el) : options.el; + this.wrapperStyle = this.wrapper.style; + this.indicator = this.wrapper.children[0]; + this.indicatorStyle = this.indicator.style; + this.scroller = scroller; + + this.options = { + listenX: true, + listenY: true, + interactive: false, + resize: true, + defaultScrollbars: false, + shrink: false, + fade: false, + speedRatioX: 0, + speedRatioY: 0 + }; + + for ( var i in options ) { + this.options[i] = options[i]; + } + + this.sizeRatioX = 1; + this.sizeRatioY = 1; + this.maxPosX = 0; + this.maxPosY = 0; + + if ( this.options.interactive ) { + if ( !this.options.disableTouch ) { + utils.addEvent(this.indicator, 'touchstart', this); + utils.addEvent(window, 'touchend', this); + } + if ( !this.options.disablePointer ) { + utils.addEvent(this.indicator, utils.prefixPointerEvent('pointerdown'), this); + utils.addEvent(window, utils.prefixPointerEvent('pointerup'), this); + } + if ( !this.options.disableMouse ) { + utils.addEvent(this.indicator, 'mousedown', this); + utils.addEvent(window, 'mouseup', this); + } + } + + if ( this.options.fade ) { + this.wrapperStyle[utils.style.transform] = this.scroller.translateZ; + this.wrapperStyle[utils.style.transitionDuration] = utils.isBadAndroid ? '0.001s' : '0ms'; + this.wrapperStyle.opacity = '0'; + } +} + +Indicator.prototype = { + handleEvent: function (e) { + switch ( e.type ) { + case 'touchstart': + case 'pointerdown': + case 'MSPointerDown': + case 'mousedown': + this._start(e); + break; + case 'touchmove': + case 'pointermove': + case 'MSPointerMove': + case 'mousemove': + this._move(e); + break; + case 'touchend': + case 'pointerup': + case 'MSPointerUp': + case 'mouseup': + case 'touchcancel': + case 'pointercancel': + case 'MSPointerCancel': + case 'mousecancel': + this._end(e); + break; + } + }, + + destroy: function () { + if ( this.options.interactive ) { + utils.removeEvent(this.indicator, 'touchstart', this); + utils.removeEvent(this.indicator, utils.prefixPointerEvent('pointerdown'), this); + utils.removeEvent(this.indicator, 'mousedown', this); + + utils.removeEvent(window, 'touchmove', this); + utils.removeEvent(window, utils.prefixPointerEvent('pointermove'), this); + utils.removeEvent(window, 'mousemove', this); + + utils.removeEvent(window, 'touchend', this); + utils.removeEvent(window, utils.prefixPointerEvent('pointerup'), this); + utils.removeEvent(window, 'mouseup', this); + } + + if ( this.options.defaultScrollbars ) { + this.wrapper.parentNode.removeChild(this.wrapper); + } + }, + + _start: function (e) { + var point = e.touches ? e.touches[0] : e; + + e.preventDefault(); + e.stopPropagation(); + + this.transitionTime(); + + this.initiated = true; + this.moved = false; + this.lastPointX = point.pageX; + this.lastPointY = point.pageY; + + this.startTime = utils.getTime(); + + if ( !this.options.disableTouch ) { + utils.addEvent(window, 'touchmove', this); + } + if ( !this.options.disablePointer ) { + utils.addEvent(window, utils.prefixPointerEvent('pointermove'), this); + } + if ( !this.options.disableMouse ) { + utils.addEvent(window, 'mousemove', this); + } + + this.scroller._execEvent('beforeScrollStart'); + }, + + _move: function (e) { + var point = e.touches ? e.touches[0] : e, + deltaX, deltaY, + newX, newY, + timestamp = utils.getTime(); + + if ( !this.moved ) { + this.scroller._execEvent('scrollStart'); + } + + this.moved = true; + + deltaX = point.pageX - this.lastPointX; + this.lastPointX = point.pageX; + + deltaY = point.pageY - this.lastPointY; + this.lastPointY = point.pageY; + + newX = this.x + deltaX; + newY = this.y + deltaY; + + this._pos(newX, newY); + + + if ( this.scroller.options.probeType == 1 && timestamp - this.startTime > 300 ) { + this.startTime = timestamp; + this.scroller._execEvent('scroll'); + } else if ( this.scroller.options.probeType > 1 ) { + this.scroller._execEvent('scroll'); + } + + +// INSERT POINT: indicator._move + + e.preventDefault(); + e.stopPropagation(); + }, + + _end: function (e) { + if ( !this.initiated ) { + return; + } + + this.initiated = false; + + e.preventDefault(); + e.stopPropagation(); + + utils.removeEvent(window, 'touchmove', this); + utils.removeEvent(window, utils.prefixPointerEvent('pointermove'), this); + utils.removeEvent(window, 'mousemove', this); + + if ( this.scroller.options.snap ) { + var snap = this.scroller._nearestSnap(this.scroller.x, this.scroller.y); + + var time = this.options.snapSpeed || Math.max( + Math.max( + Math.min(Math.abs(this.scroller.x - snap.x), 1000), + Math.min(Math.abs(this.scroller.y - snap.y), 1000) + ), 300); + + if ( this.scroller.x != snap.x || this.scroller.y != snap.y ) { + this.scroller.directionX = 0; + this.scroller.directionY = 0; + this.scroller.currentPage = snap; + this.scroller.scrollTo(snap.x, snap.y, time, this.scroller.options.bounceEasing); + } + } + + if ( this.moved ) { + this.scroller._execEvent('scrollEnd'); + } + }, + + transitionTime: function (time) { + time = time || 0; + this.indicatorStyle[utils.style.transitionDuration] = time + 'ms'; + + if ( !time && utils.isBadAndroid ) { + this.indicatorStyle[utils.style.transitionDuration] = '0.001s'; + } + }, + + transitionTimingFunction: function (easing) { + this.indicatorStyle[utils.style.transitionTimingFunction] = easing; + }, + + refresh: function () { + this.transitionTime(); + + if ( this.options.listenX && !this.options.listenY ) { + this.indicatorStyle.display = this.scroller.hasHorizontalScroll ? 'block' : 'none'; + } else if ( this.options.listenY && !this.options.listenX ) { + this.indicatorStyle.display = this.scroller.hasVerticalScroll ? 'block' : 'none'; + } else { + this.indicatorStyle.display = this.scroller.hasHorizontalScroll || this.scroller.hasVerticalScroll ? 'block' : 'none'; + } + + if ( this.scroller.hasHorizontalScroll && this.scroller.hasVerticalScroll ) { + utils.addClass(this.wrapper, 'iScrollBothScrollbars'); + utils.removeClass(this.wrapper, 'iScrollLoneScrollbar'); + + if ( this.options.defaultScrollbars && this.options.customStyle ) { + if ( this.options.listenX ) { + this.wrapper.style.right = '8px'; + } else { + this.wrapper.style.bottom = '8px'; + } + } + } else { + utils.removeClass(this.wrapper, 'iScrollBothScrollbars'); + utils.addClass(this.wrapper, 'iScrollLoneScrollbar'); + + if ( this.options.defaultScrollbars && this.options.customStyle ) { + if ( this.options.listenX ) { + this.wrapper.style.right = '2px'; + } else { + this.wrapper.style.bottom = '2px'; + } + } + } + + var r = this.wrapper.offsetHeight; // force refresh + + if ( this.options.listenX ) { + this.wrapperWidth = this.wrapper.clientWidth; + if ( this.options.resize ) { + this.indicatorWidth = Math.max(Math.round(this.wrapperWidth * this.wrapperWidth / (this.scroller.scrollerWidth || this.wrapperWidth || 1)), 8); + this.indicatorStyle.width = this.indicatorWidth + 'px'; + } else { + this.indicatorWidth = this.indicator.clientWidth; + } + + this.maxPosX = this.wrapperWidth - this.indicatorWidth; + + if ( this.options.shrink == 'clip' ) { + this.minBoundaryX = -this.indicatorWidth + 8; + this.maxBoundaryX = this.wrapperWidth - 8; + } else { + this.minBoundaryX = 0; + this.maxBoundaryX = this.maxPosX; + } + + this.sizeRatioX = this.options.speedRatioX || (this.scroller.maxScrollX && (this.maxPosX / this.scroller.maxScrollX)); + } + + if ( this.options.listenY ) { + this.wrapperHeight = this.wrapper.clientHeight; + if ( this.options.resize ) { + this.indicatorHeight = Math.max(Math.round(this.wrapperHeight * this.wrapperHeight / (this.scroller.scrollerHeight || this.wrapperHeight || 1)), 8); + this.indicatorStyle.height = this.indicatorHeight + 'px'; + } else { + this.indicatorHeight = this.indicator.clientHeight; + } + + this.maxPosY = this.wrapperHeight - this.indicatorHeight; + + if ( this.options.shrink == 'clip' ) { + this.minBoundaryY = -this.indicatorHeight + 8; + this.maxBoundaryY = this.wrapperHeight - 8; + } else { + this.minBoundaryY = 0; + this.maxBoundaryY = this.maxPosY; + } + + this.maxPosY = this.wrapperHeight - this.indicatorHeight; + this.sizeRatioY = this.options.speedRatioY || (this.scroller.maxScrollY && (this.maxPosY / this.scroller.maxScrollY)); + } + + this.updatePosition(); + }, + + updatePosition: function () { + var x = this.options.listenX && Math.round(this.sizeRatioX * this.scroller.x) || 0, + y = this.options.listenY && Math.round(this.sizeRatioY * this.scroller.y) || 0; + + if ( !this.options.ignoreBoundaries ) { + if ( x < this.minBoundaryX ) { + if ( this.options.shrink == 'scale' ) { + this.width = Math.max(this.indicatorWidth + x, 8); + this.indicatorStyle.width = this.width + 'px'; + } + x = this.minBoundaryX; + } else if ( x > this.maxBoundaryX ) { + if ( this.options.shrink == 'scale' ) { + this.width = Math.max(this.indicatorWidth - (x - this.maxPosX), 8); + this.indicatorStyle.width = this.width + 'px'; + x = this.maxPosX + this.indicatorWidth - this.width; + } else { + x = this.maxBoundaryX; + } + } else if ( this.options.shrink == 'scale' && this.width != this.indicatorWidth ) { + this.width = this.indicatorWidth; + this.indicatorStyle.width = this.width + 'px'; + } + + if ( y < this.minBoundaryY ) { + if ( this.options.shrink == 'scale' ) { + this.height = Math.max(this.indicatorHeight + y * 3, 8); + this.indicatorStyle.height = this.height + 'px'; + } + y = this.minBoundaryY; + } else if ( y > this.maxBoundaryY ) { + if ( this.options.shrink == 'scale' ) { + this.height = Math.max(this.indicatorHeight - (y - this.maxPosY) * 3, 8); + this.indicatorStyle.height = this.height + 'px'; + y = this.maxPosY + this.indicatorHeight - this.height; + } else { + y = this.maxBoundaryY; + } + } else if ( this.options.shrink == 'scale' && this.height != this.indicatorHeight ) { + this.height = this.indicatorHeight; + this.indicatorStyle.height = this.height + 'px'; + } + } + + this.x = x; + this.y = y; + + if ( this.scroller.options.useTransform ) { + this.indicatorStyle[utils.style.transform] = 'translate(' + x + 'px,' + y + 'px)' + this.scroller.translateZ; + } else { + this.indicatorStyle.left = x + 'px'; + this.indicatorStyle.top = y + 'px'; + } + }, + + _pos: function (x, y) { + if ( x < 0 ) { + x = 0; + } else if ( x > this.maxPosX ) { + x = this.maxPosX; + } + + if ( y < 0 ) { + y = 0; + } else if ( y > this.maxPosY ) { + y = this.maxPosY; + } + + x = this.options.listenX ? Math.round(x / this.sizeRatioX) : this.scroller.x; + y = this.options.listenY ? Math.round(y / this.sizeRatioY) : this.scroller.y; + + this.scroller.scrollTo(x, y); + }, + + fade: function (val, hold) { + if ( hold && !this.visible ) { + return; + } + + clearTimeout(this.fadeTimeout); + this.fadeTimeout = null; + + var time = val ? 250 : 500, + delay = val ? 0 : 300; + + val = val ? '1' : '0'; + + this.wrapperStyle[utils.style.transitionDuration] = time + 'ms'; + + this.fadeTimeout = setTimeout((function (val) { + this.wrapperStyle.opacity = val; + this.visible = +val; + }).bind(this, val), delay); + } +}; + +IScroll.utils = utils; + +if ( typeof module != 'undefined' && module.exports ) { + module.exports = IScroll; +} else { + window.IScroll = IScroll; +} + +})(window, document, Math); \ No newline at end of file diff --git a/sorcery/iscroll-zoom.js b/sorcery/iscroll-zoom.js new file mode 100644 index 0000000..4faccdf --- /dev/null +++ b/sorcery/iscroll-zoom.js @@ -0,0 +1,2195 @@ +/*! iScroll v5.1.3 ~ (c) 2008-2014 Matteo Spinelli ~ http://cubiq.org/license */ +(function (window, document, Math) { +var rAF = window.requestAnimationFrame || + window.webkitRequestAnimationFrame || + window.mozRequestAnimationFrame || + window.oRequestAnimationFrame || + window.msRequestAnimationFrame || + function (callback) { window.setTimeout(callback, 1000 / 60); }; + +var utils = (function () { + var me = {}; + + var _elementStyle = document.createElement('div').style; + var _vendor = (function () { + var vendors = ['t', 'webkitT', 'MozT', 'msT', 'OT'], + transform, + i = 0, + l = vendors.length; + + for ( ; i < l; i++ ) { + transform = vendors[i] + 'ransform'; + if ( transform in _elementStyle ) return vendors[i].substr(0, vendors[i].length-1); + } + + return false; + })(); + + function _prefixStyle (style) { + if ( _vendor === false ) return false; + if ( _vendor === '' ) return style; + return _vendor + style.charAt(0).toUpperCase() + style.substr(1); + } + + me.getTime = Date.now || function getTime () { return new Date().getTime(); }; + + me.extend = function (target, obj) { + for ( var i in obj ) { + target[i] = obj[i]; + } + }; + + me.addEvent = function (el, type, fn, capture) { + el.addEventListener(type, fn, !!capture); + }; + + me.removeEvent = function (el, type, fn, capture) { + el.removeEventListener(type, fn, !!capture); + }; + + me.prefixPointerEvent = function (pointerEvent) { + return window.MSPointerEvent ? + 'MSPointer' + pointerEvent.charAt(9).toUpperCase() + pointerEvent.substr(10): + pointerEvent; + }; + + me.momentum = function (current, start, time, lowerMargin, wrapperSize, deceleration) { + var distance = current - start, + speed = Math.abs(distance) / time, + destination, + duration; + + deceleration = deceleration === undefined ? 0.0006 : deceleration; + + destination = current + ( speed * speed ) / ( 2 * deceleration ) * ( distance < 0 ? -1 : 1 ); + duration = speed / deceleration; + + if ( destination < lowerMargin ) { + destination = wrapperSize ? lowerMargin - ( wrapperSize / 2.5 * ( speed / 8 ) ) : lowerMargin; + distance = Math.abs(destination - current); + duration = distance / speed; + } else if ( destination > 0 ) { + destination = wrapperSize ? wrapperSize / 2.5 * ( speed / 8 ) : 0; + distance = Math.abs(current) + destination; + duration = distance / speed; + } + + return { + destination: Math.round(destination), + duration: duration + }; + }; + + var _transform = _prefixStyle('transform'); + + me.extend(me, { + hasTransform: _transform !== false, + hasPerspective: _prefixStyle('perspective') in _elementStyle, + hasTouch: 'ontouchstart' in window, + hasPointer: window.PointerEvent || window.MSPointerEvent, // IE10 is prefixed + hasTransition: _prefixStyle('transition') in _elementStyle + }); + + // This should find all Android browsers lower than build 535.19 (both stock browser and webview) + me.isBadAndroid = /Android /.test(window.navigator.appVersion) && !(/Chrome\/\d/.test(window.navigator.appVersion)); + + me.extend(me.style = {}, { + transform: _transform, + transitionTimingFunction: _prefixStyle('transitionTimingFunction'), + transitionDuration: _prefixStyle('transitionDuration'), + transitionDelay: _prefixStyle('transitionDelay'), + transformOrigin: _prefixStyle('transformOrigin') + }); + + me.hasClass = function (e, c) { + var re = new RegExp("(^|\\s)" + c + "(\\s|$)"); + return re.test(e.className); + }; + + me.addClass = function (e, c) { + if ( me.hasClass(e, c) ) { + return; + } + + var newclass = e.className.split(' '); + newclass.push(c); + e.className = newclass.join(' '); + }; + + me.removeClass = function (e, c) { + if ( !me.hasClass(e, c) ) { + return; + } + + var re = new RegExp("(^|\\s)" + c + "(\\s|$)", 'g'); + e.className = e.className.replace(re, ' '); + }; + + me.offset = function (el) { + var left = -el.offsetLeft, + top = -el.offsetTop; + + // jshint -W084 + while (el = el.offsetParent) { + left -= el.offsetLeft; + top -= el.offsetTop; + } + // jshint +W084 + + return { + left: left, + top: top + }; + }; + + me.preventDefaultException = function (el, exceptions) { + for ( var i in exceptions ) { + if ( exceptions[i].test(el[i]) ) { + return true; + } + } + + return false; + }; + + me.extend(me.eventType = {}, { + touchstart: 1, + touchmove: 1, + touchend: 1, + + mousedown: 2, + mousemove: 2, + mouseup: 2, + + pointerdown: 3, + pointermove: 3, + pointerup: 3, + + MSPointerDown: 3, + MSPointerMove: 3, + MSPointerUp: 3 + }); + + me.extend(me.ease = {}, { + quadratic: { + style: 'cubic-bezier(0.25, 0.46, 0.45, 0.94)', + fn: function (k) { + return k * ( 2 - k ); + } + }, + circular: { + style: 'cubic-bezier(0.1, 0.57, 0.1, 1)', // Not properly "circular" but this looks better, it should be (0.075, 0.82, 0.165, 1) + fn: function (k) { + return Math.sqrt( 1 - ( --k * k ) ); + } + }, + back: { + style: 'cubic-bezier(0.175, 0.885, 0.32, 1.275)', + fn: function (k) { + var b = 4; + return ( k = k - 1 ) * k * ( ( b + 1 ) * k + b ) + 1; + } + }, + bounce: { + style: '', + fn: function (k) { + if ( ( k /= 1 ) < ( 1 / 2.75 ) ) { + return 7.5625 * k * k; + } else if ( k < ( 2 / 2.75 ) ) { + return 7.5625 * ( k -= ( 1.5 / 2.75 ) ) * k + 0.75; + } else if ( k < ( 2.5 / 2.75 ) ) { + return 7.5625 * ( k -= ( 2.25 / 2.75 ) ) * k + 0.9375; + } else { + return 7.5625 * ( k -= ( 2.625 / 2.75 ) ) * k + 0.984375; + } + } + }, + elastic: { + style: '', + fn: function (k) { + var f = 0.22, + e = 0.4; + + if ( k === 0 ) { return 0; } + if ( k == 1 ) { return 1; } + + return ( e * Math.pow( 2, - 10 * k ) * Math.sin( ( k - f / 4 ) * ( 2 * Math.PI ) / f ) + 1 ); + } + } + }); + + me.tap = function (e, eventName) { + var ev = document.createEvent('Event'); + ev.initEvent(eventName, true, true); + ev.pageX = e.pageX; + ev.pageY = e.pageY; + e.target.dispatchEvent(ev); + }; + + me.click = function (e) { + var target = e.target, + ev; + + if ( !(/(SELECT|INPUT|TEXTAREA)/i).test(target.tagName) ) { + ev = document.createEvent('MouseEvents'); + ev.initMouseEvent('click', true, true, e.view, 1, + target.screenX, target.screenY, target.clientX, target.clientY, + e.ctrlKey, e.altKey, e.shiftKey, e.metaKey, + 0, null); + + ev._constructed = true; + target.dispatchEvent(ev); + } + }; + + return me; +})(); + +function IScroll (el, options) { + this.wrapper = typeof el == 'string' ? document.querySelector(el) : el; + this.scroller = this.wrapper.children[0]; + this.scrollerStyle = this.scroller.style; // cache style for better performance + + this.options = { + + zoomMin: 1, + zoomMax: 4, startZoom: 1, + + resizeScrollbars: true, + + mouseWheelSpeed: 20, + + snapThreshold: 0.334, + +// INSERT POINT: OPTIONS + + startX: 0, + startY: 0, + scrollY: true, + directionLockThreshold: 5, + momentum: true, + + bounce: true, + bounceTime: 600, + bounceEasing: '', + + preventDefault: true, + preventDefaultException: { tagName: /^(INPUT|TEXTAREA|BUTTON|SELECT)$/ }, + + HWCompositing: true, + useTransition: true, + useTransform: true + }; + + for ( var i in options ) { + this.options[i] = options[i]; + } + + // Normalize options + this.translateZ = this.options.HWCompositing && utils.hasPerspective ? ' translateZ(0)' : ''; + + this.options.useTransition = utils.hasTransition && this.options.useTransition; + this.options.useTransform = utils.hasTransform && this.options.useTransform; + + this.options.eventPassthrough = this.options.eventPassthrough === true ? 'vertical' : this.options.eventPassthrough; + this.options.preventDefault = !this.options.eventPassthrough && this.options.preventDefault; + + // If you want eventPassthrough I have to lock one of the axes + this.options.scrollY = this.options.eventPassthrough == 'vertical' ? false : this.options.scrollY; + this.options.scrollX = this.options.eventPassthrough == 'horizontal' ? false : this.options.scrollX; + + // With eventPassthrough we also need lockDirection mechanism + this.options.freeScroll = this.options.freeScroll && !this.options.eventPassthrough; + this.options.directionLockThreshold = this.options.eventPassthrough ? 0 : this.options.directionLockThreshold; + + this.options.bounceEasing = typeof this.options.bounceEasing == 'string' ? utils.ease[this.options.bounceEasing] || utils.ease.circular : this.options.bounceEasing; + + this.options.resizePolling = this.options.resizePolling === undefined ? 60 : this.options.resizePolling; + + if ( this.options.tap === true ) { + this.options.tap = 'tap'; + } + + if ( this.options.shrinkScrollbars == 'scale' ) { + this.options.useTransition = false; + } + + this.options.invertWheelDirection = this.options.invertWheelDirection ? -1 : 1; + +// INSERT POINT: NORMALIZATION + + // Some defaults + this.x = 0; + this.y = 0; + this.directionX = 0; + this.directionY = 0; + this._events = {}; + + this.scale = Math.min(Math.max(this.options.startZoom, this.options.zoomMin), this.options.zoomMax); + +// INSERT POINT: DEFAULTS + + this._init(); + this.refresh(); + + this.scrollTo(this.options.startX, this.options.startY); + this.enable(); +} + +IScroll.prototype = { + version: '5.1.3', + + _init: function () { + this._initEvents(); + + if ( this.options.zoom ) { + this._initZoom(); + } + + if ( this.options.scrollbars || this.options.indicators ) { + this._initIndicators(); + } + + if ( this.options.mouseWheel ) { + this._initWheel(); + } + + if ( this.options.snap ) { + this._initSnap(); + } + + if ( this.options.keyBindings ) { + this._initKeys(); + } + +// INSERT POINT: _init + + }, + + destroy: function () { + this._initEvents(true); + + this._execEvent('destroy'); + }, + + _transitionEnd: function (e) { + if ( e.target != this.scroller || !this.isInTransition ) { + return; + } + + this._transitionTime(); + if ( !this.resetPosition(this.options.bounceTime) ) { + this.isInTransition = false; + this._execEvent('scrollEnd'); + } + }, + + _start: function (e) { + // React to left mouse button only + if ( utils.eventType[e.type] != 1 ) { + if ( e.button !== 0 ) { + return; + } + } + + if ( !this.enabled || (this.initiated && utils.eventType[e.type] !== this.initiated) ) { + return; + } + + if ( this.options.preventDefault && !utils.isBadAndroid && !utils.preventDefaultException(e.target, this.options.preventDefaultException) ) { + e.preventDefault(); + } + + var point = e.touches ? e.touches[0] : e, + pos; + + this.initiated = utils.eventType[e.type]; + this.moved = false; + this.distX = 0; + this.distY = 0; + this.directionX = 0; + this.directionY = 0; + this.directionLocked = 0; + + this._transitionTime(); + + this.startTime = utils.getTime(); + + if ( this.options.useTransition && this.isInTransition ) { + this.isInTransition = false; + pos = this.getComputedPosition(); + this._translate(Math.round(pos.x), Math.round(pos.y)); + this._execEvent('scrollEnd'); + } else if ( !this.options.useTransition && this.isAnimating ) { + this.isAnimating = false; + this._execEvent('scrollEnd'); + } + + this.startX = this.x; + this.startY = this.y; + this.absStartX = this.x; + this.absStartY = this.y; + this.pointX = point.pageX; + this.pointY = point.pageY; + + this._execEvent('beforeScrollStart'); + }, + + _move: function (e) { + if ( !this.enabled || utils.eventType[e.type] !== this.initiated ) { + return; + } + + if ( this.options.preventDefault ) { // increases performance on Android? TODO: check! + e.preventDefault(); + } + + var point = e.touches ? e.touches[0] : e, + deltaX = point.pageX - this.pointX, + deltaY = point.pageY - this.pointY, + timestamp = utils.getTime(), + newX, newY, + absDistX, absDistY; + + this.pointX = point.pageX; + this.pointY = point.pageY; + + this.distX += deltaX; + this.distY += deltaY; + absDistX = Math.abs(this.distX); + absDistY = Math.abs(this.distY); + + // We need to move at least 10 pixels for the scrolling to initiate + if ( timestamp - this.endTime > 300 && (absDistX < 10 && absDistY < 10) ) { + return; + } + + // If you are scrolling in one direction lock the other + if ( !this.directionLocked && !this.options.freeScroll ) { + if ( absDistX > absDistY + this.options.directionLockThreshold ) { + this.directionLocked = 'h'; // lock horizontally + } else if ( absDistY >= absDistX + this.options.directionLockThreshold ) { + this.directionLocked = 'v'; // lock vertically + } else { + this.directionLocked = 'n'; // no lock + } + } + + if ( this.directionLocked == 'h' ) { + if ( this.options.eventPassthrough == 'vertical' ) { + e.preventDefault(); + } else if ( this.options.eventPassthrough == 'horizontal' ) { + this.initiated = false; + return; + } + + deltaY = 0; + } else if ( this.directionLocked == 'v' ) { + if ( this.options.eventPassthrough == 'horizontal' ) { + e.preventDefault(); + } else if ( this.options.eventPassthrough == 'vertical' ) { + this.initiated = false; + return; + } + + deltaX = 0; + } + + deltaX = this.hasHorizontalScroll ? deltaX : 0; + deltaY = this.hasVerticalScroll ? deltaY : 0; + + newX = this.x + deltaX; + newY = this.y + deltaY; + + // Slow down if outside of the boundaries + if ( newX > 0 || newX < this.maxScrollX ) { + newX = this.options.bounce ? this.x + deltaX / 3 : newX > 0 ? 0 : this.maxScrollX; + } + if ( newY > 0 || newY < this.maxScrollY ) { + newY = this.options.bounce ? this.y + deltaY / 3 : newY > 0 ? 0 : this.maxScrollY; + } + + this.directionX = deltaX > 0 ? -1 : deltaX < 0 ? 1 : 0; + this.directionY = deltaY > 0 ? -1 : deltaY < 0 ? 1 : 0; + + if ( !this.moved ) { + this._execEvent('scrollStart'); + } + + this.moved = true; + + this._translate(newX, newY); + +/* REPLACE START: _move */ + + if ( timestamp - this.startTime > 300 ) { + this.startTime = timestamp; + this.startX = this.x; + this.startY = this.y; + } + +/* REPLACE END: _move */ + + }, + + _end: function (e) { + if ( !this.enabled || utils.eventType[e.type] !== this.initiated ) { + return; + } + + if ( this.options.preventDefault && !utils.preventDefaultException(e.target, this.options.preventDefaultException) ) { + e.preventDefault(); + } + + var point = e.changedTouches ? e.changedTouches[0] : e, + momentumX, + momentumY, + duration = utils.getTime() - this.startTime, + newX = Math.round(this.x), + newY = Math.round(this.y), + distanceX = Math.abs(newX - this.startX), + distanceY = Math.abs(newY - this.startY), + time = 0, + easing = ''; + + this.isInTransition = 0; + this.initiated = 0; + this.endTime = utils.getTime(); + + // reset if we are outside of the boundaries + if ( this.resetPosition(this.options.bounceTime) ) { + return; + } + + this.scrollTo(newX, newY); // ensures that the last position is rounded + + // we scrolled less than 10 pixels + if ( !this.moved ) { + if ( this.options.tap ) { + utils.tap(e, this.options.tap); + } + + if ( this.options.click ) { + utils.click(e); + } + + this._execEvent('scrollCancel'); + return; + } + + if ( this._events.flick && duration < 200 && distanceX < 100 && distanceY < 100 ) { + this._execEvent('flick'); + return; + } + + // start momentum animation if needed + if ( this.options.momentum && duration < 300 ) { + momentumX = this.hasHorizontalScroll ? utils.momentum(this.x, this.startX, duration, this.maxScrollX, this.options.bounce ? this.wrapperWidth : 0, this.options.deceleration) : { destination: newX, duration: 0 }; + momentumY = this.hasVerticalScroll ? utils.momentum(this.y, this.startY, duration, this.maxScrollY, this.options.bounce ? this.wrapperHeight : 0, this.options.deceleration) : { destination: newY, duration: 0 }; + newX = momentumX.destination; + newY = momentumY.destination; + time = Math.max(momentumX.duration, momentumY.duration); + this.isInTransition = 1; + } + + + if ( this.options.snap ) { + var snap = this._nearestSnap(newX, newY); + this.currentPage = snap; + time = this.options.snapSpeed || Math.max( + Math.max( + Math.min(Math.abs(newX - snap.x), 1000), + Math.min(Math.abs(newY - snap.y), 1000) + ), 300); + newX = snap.x; + newY = snap.y; + + this.directionX = 0; + this.directionY = 0; + easing = this.options.bounceEasing; + } + +// INSERT POINT: _end + + if ( newX != this.x || newY != this.y ) { + // change easing function when scroller goes out of the boundaries + if ( newX > 0 || newX < this.maxScrollX || newY > 0 || newY < this.maxScrollY ) { + easing = utils.ease.quadratic; + } + + this.scrollTo(newX, newY, time, easing); + return; + } + + this._execEvent('scrollEnd'); + }, + + _resize: function () { + var that = this; + + clearTimeout(this.resizeTimeout); + + this.resizeTimeout = setTimeout(function () { + that.refresh(); + }, this.options.resizePolling); + }, + + resetPosition: function (time) { + var x = this.x, + y = this.y; + + time = time || 0; + + if ( !this.hasHorizontalScroll || this.x > 0 ) { + x = 0; + } else if ( this.x < this.maxScrollX ) { + x = this.maxScrollX; + } + + if ( !this.hasVerticalScroll || this.y > 0 ) { + y = 0; + } else if ( this.y < this.maxScrollY ) { + y = this.maxScrollY; + } + + if ( x == this.x && y == this.y ) { + return false; + } + + this.scrollTo(x, y, time, this.options.bounceEasing); + + return true; + }, + + disable: function () { + this.enabled = false; + }, + + enable: function () { + this.enabled = true; + }, + + refresh: function () { + var rf = this.wrapper.offsetHeight; // Force reflow + + this.wrapperWidth = this.wrapper.clientWidth; + this.wrapperHeight = this.wrapper.clientHeight; + +/* REPLACE START: refresh */ + this.scrollerWidth = Math.round(this.scroller.offsetWidth * this.scale); + this.scrollerHeight = Math.round(this.scroller.offsetHeight * this.scale); + + this.maxScrollX = this.wrapperWidth - this.scrollerWidth; + this.maxScrollY = this.wrapperHeight - this.scrollerHeight; +/* REPLACE END: refresh */ + + this.hasHorizontalScroll = this.options.scrollX && this.maxScrollX < 0; + this.hasVerticalScroll = this.options.scrollY && this.maxScrollY < 0; + + if ( !this.hasHorizontalScroll ) { + this.maxScrollX = 0; + this.scrollerWidth = this.wrapperWidth; + } + + if ( !this.hasVerticalScroll ) { + this.maxScrollY = 0; + this.scrollerHeight = this.wrapperHeight; + } + + this.endTime = 0; + this.directionX = 0; + this.directionY = 0; + + this.wrapperOffset = utils.offset(this.wrapper); + + this._execEvent('refresh'); + + this.resetPosition(); + +// INSERT POINT: _refresh + + }, + + on: function (type, fn) { + if ( !this._events[type] ) { + this._events[type] = []; + } + + this._events[type].push(fn); + }, + + off: function (type, fn) { + if ( !this._events[type] ) { + return; + } + + var index = this._events[type].indexOf(fn); + + if ( index > -1 ) { + this._events[type].splice(index, 1); + } + }, + + _execEvent: function (type) { + if ( !this._events[type] ) { + return; + } + + var i = 0, + l = this._events[type].length; + + if ( !l ) { + return; + } + + for ( ; i < l; i++ ) { + this._events[type][i].apply(this, [].slice.call(arguments, 1)); + } + }, + + scrollBy: function (x, y, time, easing) { + x = this.x + x; + y = this.y + y; + time = time || 0; + + this.scrollTo(x, y, time, easing); + }, + + scrollTo: function (x, y, time, easing) { + easing = easing || utils.ease.circular; + + this.isInTransition = this.options.useTransition && time > 0; + + if ( !time || (this.options.useTransition && easing.style) ) { + this._transitionTimingFunction(easing.style); + this._transitionTime(time); + this._translate(x, y); + } else { + this._animate(x, y, time, easing.fn); + } + }, + + scrollToElement: function (el, time, offsetX, offsetY, easing) { + el = el.nodeType ? el : this.scroller.querySelector(el); + + if ( !el ) { + return; + } + + var pos = utils.offset(el); + + pos.left -= this.wrapperOffset.left; + pos.top -= this.wrapperOffset.top; + + // if offsetX/Y are true we center the element to the screen + if ( offsetX === true ) { + offsetX = Math.round(el.offsetWidth / 2 - this.wrapper.offsetWidth / 2); + } + if ( offsetY === true ) { + offsetY = Math.round(el.offsetHeight / 2 - this.wrapper.offsetHeight / 2); + } + + pos.left -= offsetX || 0; + pos.top -= offsetY || 0; + + pos.left = pos.left > 0 ? 0 : pos.left < this.maxScrollX ? this.maxScrollX : pos.left; + pos.top = pos.top > 0 ? 0 : pos.top < this.maxScrollY ? this.maxScrollY : pos.top; + + time = time === undefined || time === null || time === 'auto' ? Math.max(Math.abs(this.x-pos.left), Math.abs(this.y-pos.top)) : time; + + this.scrollTo(pos.left, pos.top, time, easing); + }, + + _transitionTime: function (time) { + time = time || 0; + + this.scrollerStyle[utils.style.transitionDuration] = time + 'ms'; + + if ( !time && utils.isBadAndroid ) { + this.scrollerStyle[utils.style.transitionDuration] = '0.001s'; + } + + + if ( this.indicators ) { + for ( var i = this.indicators.length; i--; ) { + this.indicators[i].transitionTime(time); + } + } + + +// INSERT POINT: _transitionTime + + }, + + _transitionTimingFunction: function (easing) { + this.scrollerStyle[utils.style.transitionTimingFunction] = easing; + + + if ( this.indicators ) { + for ( var i = this.indicators.length; i--; ) { + this.indicators[i].transitionTimingFunction(easing); + } + } + + +// INSERT POINT: _transitionTimingFunction + + }, + + _translate: function (x, y) { + if ( this.options.useTransform ) { + +/* REPLACE START: _translate */ this.scrollerStyle[utils.style.transform] = 'translate(' + x + 'px,' + y + 'px) scale(' + this.scale + ') ' + this.translateZ;/* REPLACE END: _translate */ + + } else { + x = Math.round(x); + y = Math.round(y); + this.scrollerStyle.left = x + 'px'; + this.scrollerStyle.top = y + 'px'; + } + + this.x = x; + this.y = y; + + + if ( this.indicators ) { + for ( var i = this.indicators.length; i--; ) { + this.indicators[i].updatePosition(); + } + } + + +// INSERT POINT: _translate + + }, + + _initEvents: function (remove) { + var eventType = remove ? utils.removeEvent : utils.addEvent, + target = this.options.bindToWrapper ? this.wrapper : window; + + eventType(window, 'orientationchange', this); + eventType(window, 'resize', this); + + if ( this.options.click ) { + eventType(this.wrapper, 'click', this, true); + } + + if ( !this.options.disableMouse ) { + eventType(this.wrapper, 'mousedown', this); + eventType(target, 'mousemove', this); + eventType(target, 'mousecancel', this); + eventType(target, 'mouseup', this); + } + + if ( utils.hasPointer && !this.options.disablePointer ) { + eventType(this.wrapper, utils.prefixPointerEvent('pointerdown'), this); + eventType(target, utils.prefixPointerEvent('pointermove'), this); + eventType(target, utils.prefixPointerEvent('pointercancel'), this); + eventType(target, utils.prefixPointerEvent('pointerup'), this); + } + + if ( utils.hasTouch && !this.options.disableTouch ) { + eventType(this.wrapper, 'touchstart', this); + eventType(target, 'touchmove', this); + eventType(target, 'touchcancel', this); + eventType(target, 'touchend', this); + } + + eventType(this.scroller, 'transitionend', this); + eventType(this.scroller, 'webkitTransitionEnd', this); + eventType(this.scroller, 'oTransitionEnd', this); + eventType(this.scroller, 'MSTransitionEnd', this); + }, + + getComputedPosition: function () { + var matrix = window.getComputedStyle(this.scroller, null), + x, y; + + if ( this.options.useTransform ) { + matrix = matrix[utils.style.transform].split(')')[0].split(', '); + x = +(matrix[12] || matrix[4]); + y = +(matrix[13] || matrix[5]); + } else { + x = +matrix.left.replace(/[^-\d.]/g, ''); + y = +matrix.top.replace(/[^-\d.]/g, ''); + } + + return { x: x, y: y }; + }, + + _initIndicators: function () { + var interactive = this.options.interactiveScrollbars, + customStyle = typeof this.options.scrollbars != 'string', + indicators = [], + indicator; + + var that = this; + + this.indicators = []; + + if ( this.options.scrollbars ) { + // Vertical scrollbar + if ( this.options.scrollY ) { + indicator = { + el: createDefaultScrollbar('v', interactive, this.options.scrollbars), + interactive: interactive, + defaultScrollbars: true, + customStyle: customStyle, + resize: this.options.resizeScrollbars, + shrink: this.options.shrinkScrollbars, + fade: this.options.fadeScrollbars, + listenX: false + }; + + this.wrapper.appendChild(indicator.el); + indicators.push(indicator); + } + + // Horizontal scrollbar + if ( this.options.scrollX ) { + indicator = { + el: createDefaultScrollbar('h', interactive, this.options.scrollbars), + interactive: interactive, + defaultScrollbars: true, + customStyle: customStyle, + resize: this.options.resizeScrollbars, + shrink: this.options.shrinkScrollbars, + fade: this.options.fadeScrollbars, + listenY: false + }; + + this.wrapper.appendChild(indicator.el); + indicators.push(indicator); + } + } + + if ( this.options.indicators ) { + // TODO: check concat compatibility + indicators = indicators.concat(this.options.indicators); + } + + for ( var i = indicators.length; i--; ) { + this.indicators.push( new Indicator(this, indicators[i]) ); + } + + // TODO: check if we can use array.map (wide compatibility and performance issues) + function _indicatorsMap (fn) { + for ( var i = that.indicators.length; i--; ) { + fn.call(that.indicators[i]); + } + } + + if ( this.options.fadeScrollbars ) { + this.on('scrollEnd', function () { + _indicatorsMap(function () { + this.fade(); + }); + }); + + this.on('scrollCancel', function () { + _indicatorsMap(function () { + this.fade(); + }); + }); + + this.on('scrollStart', function () { + _indicatorsMap(function () { + this.fade(1); + }); + }); + + this.on('beforeScrollStart', function () { + _indicatorsMap(function () { + this.fade(1, true); + }); + }); + } + + + this.on('refresh', function () { + _indicatorsMap(function () { + this.refresh(); + }); + }); + + this.on('destroy', function () { + _indicatorsMap(function () { + this.destroy(); + }); + + delete this.indicators; + }); + }, + + _initZoom: function () { + this.scrollerStyle[utils.style.transformOrigin] = '0 0'; + }, + + _zoomStart: function (e) { + var c1 = Math.abs( e.touches[0].pageX - e.touches[1].pageX ), + c2 = Math.abs( e.touches[0].pageY - e.touches[1].pageY ); + + this.touchesDistanceStart = Math.sqrt(c1 * c1 + c2 * c2); + this.startScale = this.scale; + + this.originX = Math.abs(e.touches[0].pageX + e.touches[1].pageX) / 2 + this.wrapperOffset.left - this.x; + this.originY = Math.abs(e.touches[0].pageY + e.touches[1].pageY) / 2 + this.wrapperOffset.top - this.y; + + this._execEvent('zoomStart'); + }, + + _zoom: function (e) { + if ( !this.enabled || utils.eventType[e.type] !== this.initiated ) { + return; + } + + if ( this.options.preventDefault ) { + e.preventDefault(); + } + + var c1 = Math.abs( e.touches[0].pageX - e.touches[1].pageX ), + c2 = Math.abs( e.touches[0].pageY - e.touches[1].pageY ), + distance = Math.sqrt( c1 * c1 + c2 * c2 ), + scale = 1 / this.touchesDistanceStart * distance * this.startScale, + lastScale, + x, y; + + this.scaled = true; + + if ( scale < this.options.zoomMin ) { + scale = 0.5 * this.options.zoomMin * Math.pow(2.0, scale / this.options.zoomMin); + } else if ( scale > this.options.zoomMax ) { + scale = 2.0 * this.options.zoomMax * Math.pow(0.5, this.options.zoomMax / scale); + } + + lastScale = scale / this.startScale; + x = this.originX - this.originX * lastScale + this.startX; + y = this.originY - this.originY * lastScale + this.startY; + + this.scale = scale; + + this.scrollTo(x, y, 0); + }, + + _zoomEnd: function (e) { + if ( !this.enabled || utils.eventType[e.type] !== this.initiated ) { + return; + } + + if ( this.options.preventDefault ) { + e.preventDefault(); + } + + var newX, newY, + lastScale; + + this.isInTransition = 0; + this.initiated = 0; + + if ( this.scale > this.options.zoomMax ) { + this.scale = this.options.zoomMax; + } else if ( this.scale < this.options.zoomMin ) { + this.scale = this.options.zoomMin; + } + + // Update boundaries + this.refresh(); + + lastScale = this.scale / this.startScale; + + newX = this.originX - this.originX * lastScale + this.startX; + newY = this.originY - this.originY * lastScale + this.startY; + + if ( newX > 0 ) { + newX = 0; + } else if ( newX < this.maxScrollX ) { + newX = this.maxScrollX; + } + + if ( newY > 0 ) { + newY = 0; + } else if ( newY < this.maxScrollY ) { + newY = this.maxScrollY; + } + + if ( this.x != newX || this.y != newY ) { + this.scrollTo(newX, newY, this.options.bounceTime); + } + + this.scaled = false; + + this._execEvent('zoomEnd'); + }, + + zoom: function (scale, x, y, time) { + if ( scale < this.options.zoomMin ) { + scale = this.options.zoomMin; + } else if ( scale > this.options.zoomMax ) { + scale = this.options.zoomMax; + } + + if ( scale == this.scale ) { + return; + } + + var relScale = scale / this.scale; + + x = x === undefined ? this.wrapperWidth / 2 : x; + y = y === undefined ? this.wrapperHeight / 2 : y; + time = time === undefined ? 300 : time; + + x = x + this.wrapperOffset.left - this.x; + y = y + this.wrapperOffset.top - this.y; + + x = x - x * relScale + this.x; + y = y - y * relScale + this.y; + + this.scale = scale; + + this.refresh(); // update boundaries + + if ( x > 0 ) { + x = 0; + } else if ( x < this.maxScrollX ) { + x = this.maxScrollX; + } + + if ( y > 0 ) { + y = 0; + } else if ( y < this.maxScrollY ) { + y = this.maxScrollY; + } + + this.scrollTo(x, y, time); + }, + + _wheelZoom: function (e) { + var wheelDeltaY, + deltaScale, + that = this; + + // Execute the zoomEnd event after 400ms the wheel stopped scrolling + clearTimeout(this.wheelTimeout); + this.wheelTimeout = setTimeout(function () { + that._execEvent('zoomEnd'); + }, 400); + + if ( 'deltaX' in e ) { + wheelDeltaY = -e.deltaY / Math.abs(e.deltaY); + } else if ('wheelDeltaX' in e) { + wheelDeltaY = e.wheelDeltaY / Math.abs(e.wheelDeltaY); + } else if('wheelDelta' in e) { + wheelDeltaY = e.wheelDelta / Math.abs(e.wheelDelta); + } else if ('detail' in e) { + wheelDeltaY = -e.detail / Math.abs(e.wheelDelta); + } else { + return; + } + + deltaScale = this.scale + wheelDeltaY / 5; + + this.zoom(deltaScale, e.pageX, e.pageY, 0); + }, + + _initWheel: function () { + utils.addEvent(this.wrapper, 'wheel', this); + utils.addEvent(this.wrapper, 'mousewheel', this); + utils.addEvent(this.wrapper, 'DOMMouseScroll', this); + + this.on('destroy', function () { + utils.removeEvent(this.wrapper, 'wheel', this); + utils.removeEvent(this.wrapper, 'mousewheel', this); + utils.removeEvent(this.wrapper, 'DOMMouseScroll', this); + }); + }, + + _wheel: function (e) { + if ( !this.enabled ) { + return; + } + + e.preventDefault(); + e.stopPropagation(); + + var wheelDeltaX, wheelDeltaY, + newX, newY, + that = this; + + if ( this.wheelTimeout === undefined ) { + that._execEvent('scrollStart'); + } + + // Execute the scrollEnd event after 400ms the wheel stopped scrolling + clearTimeout(this.wheelTimeout); + this.wheelTimeout = setTimeout(function () { + that._execEvent('scrollEnd'); + that.wheelTimeout = undefined; + }, 400); + + if ( 'deltaX' in e ) { + if (e.deltaMode === 1) { + wheelDeltaX = -e.deltaX * this.options.mouseWheelSpeed; + wheelDeltaY = -e.deltaY * this.options.mouseWheelSpeed; + } else { + wheelDeltaX = -e.deltaX; + wheelDeltaY = -e.deltaY; + } + } else if ( 'wheelDeltaX' in e ) { + wheelDeltaX = e.wheelDeltaX / 120 * this.options.mouseWheelSpeed; + wheelDeltaY = e.wheelDeltaY / 120 * this.options.mouseWheelSpeed; + } else if ( 'wheelDelta' in e ) { + wheelDeltaX = wheelDeltaY = e.wheelDelta / 120 * this.options.mouseWheelSpeed; + } else if ( 'detail' in e ) { + wheelDeltaX = wheelDeltaY = -e.detail / 3 * this.options.mouseWheelSpeed; + } else { + return; + } + + wheelDeltaX *= this.options.invertWheelDirection; + wheelDeltaY *= this.options.invertWheelDirection; + + if ( !this.hasVerticalScroll ) { + wheelDeltaX = wheelDeltaY; + wheelDeltaY = 0; + } + + if ( this.options.snap ) { + newX = this.currentPage.pageX; + newY = this.currentPage.pageY; + + if ( wheelDeltaX > 0 ) { + newX--; + } else if ( wheelDeltaX < 0 ) { + newX++; + } + + if ( wheelDeltaY > 0 ) { + newY--; + } else if ( wheelDeltaY < 0 ) { + newY++; + } + + this.goToPage(newX, newY); + + return; + } + + newX = this.x + Math.round(this.hasHorizontalScroll ? wheelDeltaX : 0); + newY = this.y + Math.round(this.hasVerticalScroll ? wheelDeltaY : 0); + + if ( newX > 0 ) { + newX = 0; + } else if ( newX < this.maxScrollX ) { + newX = this.maxScrollX; + } + + if ( newY > 0 ) { + newY = 0; + } else if ( newY < this.maxScrollY ) { + newY = this.maxScrollY; + } + + this.scrollTo(newX, newY, 0); + +// INSERT POINT: _wheel + }, + + _initSnap: function () { + this.currentPage = {}; + + if ( typeof this.options.snap == 'string' ) { + this.options.snap = this.scroller.querySelectorAll(this.options.snap); + } + + this.on('refresh', function () { + var i = 0, l, + m = 0, n, + cx, cy, + x = 0, y, + stepX = this.options.snapStepX || this.wrapperWidth, + stepY = this.options.snapStepY || this.wrapperHeight, + el; + + this.pages = []; + + if ( !this.wrapperWidth || !this.wrapperHeight || !this.scrollerWidth || !this.scrollerHeight ) { + return; + } + + if ( this.options.snap === true ) { + cx = Math.round( stepX / 2 ); + cy = Math.round( stepY / 2 ); + + while ( x > -this.scrollerWidth ) { + this.pages[i] = []; + l = 0; + y = 0; + + while ( y > -this.scrollerHeight ) { + this.pages[i][l] = { + x: Math.max(x, this.maxScrollX), + y: Math.max(y, this.maxScrollY), + width: stepX, + height: stepY, + cx: x - cx, + cy: y - cy + }; + + y -= stepY; + l++; + } + + x -= stepX; + i++; + } + } else { + el = this.options.snap; + l = el.length; + n = -1; + + for ( ; i < l; i++ ) { + if ( i === 0 || el[i].offsetLeft <= el[i-1].offsetLeft ) { + m = 0; + n++; + } + + if ( !this.pages[m] ) { + this.pages[m] = []; + } + + x = Math.max(-el[i].offsetLeft, this.maxScrollX); + y = Math.max(-el[i].offsetTop, this.maxScrollY); + cx = x - Math.round(el[i].offsetWidth / 2); + cy = y - Math.round(el[i].offsetHeight / 2); + + this.pages[m][n] = { + x: x, + y: y, + width: el[i].offsetWidth, + height: el[i].offsetHeight, + cx: cx, + cy: cy + }; + + if ( x > this.maxScrollX ) { + m++; + } + } + } + + this.goToPage(this.currentPage.pageX || 0, this.currentPage.pageY || 0, 0); + + // Update snap threshold if needed + if ( this.options.snapThreshold % 1 === 0 ) { + this.snapThresholdX = this.options.snapThreshold; + this.snapThresholdY = this.options.snapThreshold; + } else { + this.snapThresholdX = Math.round(this.pages[this.currentPage.pageX][this.currentPage.pageY].width * this.options.snapThreshold); + this.snapThresholdY = Math.round(this.pages[this.currentPage.pageX][this.currentPage.pageY].height * this.options.snapThreshold); + } + }); + + this.on('flick', function () { + var time = this.options.snapSpeed || Math.max( + Math.max( + Math.min(Math.abs(this.x - this.startX), 1000), + Math.min(Math.abs(this.y - this.startY), 1000) + ), 300); + + this.goToPage( + this.currentPage.pageX + this.directionX, + this.currentPage.pageY + this.directionY, + time + ); + }); + }, + + _nearestSnap: function (x, y) { + if ( !this.pages.length ) { + return { x: 0, y: 0, pageX: 0, pageY: 0 }; + } + + var i = 0, + l = this.pages.length, + m = 0; + + // Check if we exceeded the snap threshold + if ( Math.abs(x - this.absStartX) < this.snapThresholdX && + Math.abs(y - this.absStartY) < this.snapThresholdY ) { + return this.currentPage; + } + + if ( x > 0 ) { + x = 0; + } else if ( x < this.maxScrollX ) { + x = this.maxScrollX; + } + + if ( y > 0 ) { + y = 0; + } else if ( y < this.maxScrollY ) { + y = this.maxScrollY; + } + + for ( ; i < l; i++ ) { + if ( x >= this.pages[i][0].cx ) { + x = this.pages[i][0].x; + break; + } + } + + l = this.pages[i].length; + + for ( ; m < l; m++ ) { + if ( y >= this.pages[0][m].cy ) { + y = this.pages[0][m].y; + break; + } + } + + if ( i == this.currentPage.pageX ) { + i += this.directionX; + + if ( i < 0 ) { + i = 0; + } else if ( i >= this.pages.length ) { + i = this.pages.length - 1; + } + + x = this.pages[i][0].x; + } + + if ( m == this.currentPage.pageY ) { + m += this.directionY; + + if ( m < 0 ) { + m = 0; + } else if ( m >= this.pages[0].length ) { + m = this.pages[0].length - 1; + } + + y = this.pages[0][m].y; + } + + return { + x: x, + y: y, + pageX: i, + pageY: m + }; + }, + + goToPage: function (x, y, time, easing) { + easing = easing || this.options.bounceEasing; + + if ( x >= this.pages.length ) { + x = this.pages.length - 1; + } else if ( x < 0 ) { + x = 0; + } + + if ( y >= this.pages[x].length ) { + y = this.pages[x].length - 1; + } else if ( y < 0 ) { + y = 0; + } + + var posX = this.pages[x][y].x, + posY = this.pages[x][y].y; + + time = time === undefined ? this.options.snapSpeed || Math.max( + Math.max( + Math.min(Math.abs(posX - this.x), 1000), + Math.min(Math.abs(posY - this.y), 1000) + ), 300) : time; + + this.currentPage = { + x: posX, + y: posY, + pageX: x, + pageY: y + }; + + this.scrollTo(posX, posY, time, easing); + }, + + next: function (time, easing) { + var x = this.currentPage.pageX, + y = this.currentPage.pageY; + + x++; + + if ( x >= this.pages.length && this.hasVerticalScroll ) { + x = 0; + y++; + } + + this.goToPage(x, y, time, easing); + }, + + prev: function (time, easing) { + var x = this.currentPage.pageX, + y = this.currentPage.pageY; + + x--; + + if ( x < 0 && this.hasVerticalScroll ) { + x = 0; + y--; + } + + this.goToPage(x, y, time, easing); + }, + + _initKeys: function (e) { + // default key bindings + var keys = { + pageUp: 33, + pageDown: 34, + end: 35, + home: 36, + left: 37, + up: 38, + right: 39, + down: 40 + }; + var i; + + // if you give me characters I give you keycode + if ( typeof this.options.keyBindings == 'object' ) { + for ( i in this.options.keyBindings ) { + if ( typeof this.options.keyBindings[i] == 'string' ) { + this.options.keyBindings[i] = this.options.keyBindings[i].toUpperCase().charCodeAt(0); + } + } + } else { + this.options.keyBindings = {}; + } + + for ( i in keys ) { + this.options.keyBindings[i] = this.options.keyBindings[i] || keys[i]; + } + + utils.addEvent(window, 'keydown', this); + + this.on('destroy', function () { + utils.removeEvent(window, 'keydown', this); + }); + }, + + _key: function (e) { + if ( !this.enabled ) { + return; + } + + var snap = this.options.snap, // we are using this alot, better to cache it + newX = snap ? this.currentPage.pageX : this.x, + newY = snap ? this.currentPage.pageY : this.y, + now = utils.getTime(), + prevTime = this.keyTime || 0, + acceleration = 0.250, + pos; + + if ( this.options.useTransition && this.isInTransition ) { + pos = this.getComputedPosition(); + + this._translate(Math.round(pos.x), Math.round(pos.y)); + this.isInTransition = false; + } + + this.keyAcceleration = now - prevTime < 200 ? Math.min(this.keyAcceleration + acceleration, 50) : 0; + + switch ( e.keyCode ) { + case this.options.keyBindings.pageUp: + if ( this.hasHorizontalScroll && !this.hasVerticalScroll ) { + newX += snap ? 1 : this.wrapperWidth; + } else { + newY += snap ? 1 : this.wrapperHeight; + } + break; + case this.options.keyBindings.pageDown: + if ( this.hasHorizontalScroll && !this.hasVerticalScroll ) { + newX -= snap ? 1 : this.wrapperWidth; + } else { + newY -= snap ? 1 : this.wrapperHeight; + } + break; + case this.options.keyBindings.end: + newX = snap ? this.pages.length-1 : this.maxScrollX; + newY = snap ? this.pages[0].length-1 : this.maxScrollY; + break; + case this.options.keyBindings.home: + newX = 0; + newY = 0; + break; + case this.options.keyBindings.left: + newX += snap ? -1 : 5 + this.keyAcceleration>>0; + break; + case this.options.keyBindings.up: + newY += snap ? 1 : 5 + this.keyAcceleration>>0; + break; + case this.options.keyBindings.right: + newX -= snap ? -1 : 5 + this.keyAcceleration>>0; + break; + case this.options.keyBindings.down: + newY -= snap ? 1 : 5 + this.keyAcceleration>>0; + break; + default: + return; + } + + if ( snap ) { + this.goToPage(newX, newY); + return; + } + + if ( newX > 0 ) { + newX = 0; + this.keyAcceleration = 0; + } else if ( newX < this.maxScrollX ) { + newX = this.maxScrollX; + this.keyAcceleration = 0; + } + + if ( newY > 0 ) { + newY = 0; + this.keyAcceleration = 0; + } else if ( newY < this.maxScrollY ) { + newY = this.maxScrollY; + this.keyAcceleration = 0; + } + + this.scrollTo(newX, newY, 0); + + this.keyTime = now; + }, + + _animate: function (destX, destY, duration, easingFn) { + var that = this, + startX = this.x, + startY = this.y, + startTime = utils.getTime(), + destTime = startTime + duration; + + function step () { + var now = utils.getTime(), + newX, newY, + easing; + + if ( now >= destTime ) { + that.isAnimating = false; + that._translate(destX, destY); + + if ( !that.resetPosition(that.options.bounceTime) ) { + that._execEvent('scrollEnd'); + } + + return; + } + + now = ( now - startTime ) / duration; + easing = easingFn(now); + newX = ( destX - startX ) * easing + startX; + newY = ( destY - startY ) * easing + startY; + that._translate(newX, newY); + + if ( that.isAnimating ) { + rAF(step); + } + } + + this.isAnimating = true; + step(); + }, + handleEvent: function (e) { + switch ( e.type ) { + case 'touchstart': + case 'pointerdown': + case 'MSPointerDown': + case 'mousedown': + this._start(e); + + if ( this.options.zoom && e.touches && e.touches.length > 1 ) { + this._zoomStart(e); + } + break; + case 'touchmove': + case 'pointermove': + case 'MSPointerMove': + case 'mousemove': + if ( this.options.zoom && e.touches && e.touches[1] ) { + this._zoom(e); + return; + } + this._move(e); + break; + case 'touchend': + case 'pointerup': + case 'MSPointerUp': + case 'mouseup': + case 'touchcancel': + case 'pointercancel': + case 'MSPointerCancel': + case 'mousecancel': + if ( this.scaled ) { + this._zoomEnd(e); + return; + } + this._end(e); + break; + case 'orientationchange': + case 'resize': + this._resize(); + break; + case 'transitionend': + case 'webkitTransitionEnd': + case 'oTransitionEnd': + case 'MSTransitionEnd': + this._transitionEnd(e); + break; + case 'wheel': + case 'DOMMouseScroll': + case 'mousewheel': + if ( this.options.wheelAction == 'zoom' ) { + this._wheelZoom(e); + return; + } + this._wheel(e); + break; + case 'keydown': + this._key(e); + break; + } + } + +}; +function createDefaultScrollbar (direction, interactive, type) { + var scrollbar = document.createElement('div'), + indicator = document.createElement('div'); + + if ( type === true ) { + scrollbar.style.cssText = 'position:absolute;z-index:9999'; + indicator.style.cssText = '-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;position:absolute;background:rgba(0,0,0,0.5);border:1px solid rgba(255,255,255,0.9);border-radius:3px'; + } + + indicator.className = 'iScrollIndicator'; + + if ( direction == 'h' ) { + if ( type === true ) { + scrollbar.style.cssText += ';height:7px;left:2px;right:2px;bottom:0'; + indicator.style.height = '100%'; + } + scrollbar.className = 'iScrollHorizontalScrollbar'; + } else { + if ( type === true ) { + scrollbar.style.cssText += ';width:7px;bottom:2px;top:2px;right:1px'; + indicator.style.width = '100%'; + } + scrollbar.className = 'iScrollVerticalScrollbar'; + } + + scrollbar.style.cssText += ';overflow:hidden'; + + if ( !interactive ) { + scrollbar.style.pointerEvents = 'none'; + } + + scrollbar.appendChild(indicator); + + return scrollbar; +} + +function Indicator (scroller, options) { + this.wrapper = typeof options.el == 'string' ? document.querySelector(options.el) : options.el; + this.wrapperStyle = this.wrapper.style; + this.indicator = this.wrapper.children[0]; + this.indicatorStyle = this.indicator.style; + this.scroller = scroller; + + this.options = { + listenX: true, + listenY: true, + interactive: false, + resize: true, + defaultScrollbars: false, + shrink: false, + fade: false, + speedRatioX: 0, + speedRatioY: 0 + }; + + for ( var i in options ) { + this.options[i] = options[i]; + } + + this.sizeRatioX = 1; + this.sizeRatioY = 1; + this.maxPosX = 0; + this.maxPosY = 0; + + if ( this.options.interactive ) { + if ( !this.options.disableTouch ) { + utils.addEvent(this.indicator, 'touchstart', this); + utils.addEvent(window, 'touchend', this); + } + if ( !this.options.disablePointer ) { + utils.addEvent(this.indicator, utils.prefixPointerEvent('pointerdown'), this); + utils.addEvent(window, utils.prefixPointerEvent('pointerup'), this); + } + if ( !this.options.disableMouse ) { + utils.addEvent(this.indicator, 'mousedown', this); + utils.addEvent(window, 'mouseup', this); + } + } + + if ( this.options.fade ) { + this.wrapperStyle[utils.style.transform] = this.scroller.translateZ; + this.wrapperStyle[utils.style.transitionDuration] = utils.isBadAndroid ? '0.001s' : '0ms'; + this.wrapperStyle.opacity = '0'; + } +} + +Indicator.prototype = { + handleEvent: function (e) { + switch ( e.type ) { + case 'touchstart': + case 'pointerdown': + case 'MSPointerDown': + case 'mousedown': + this._start(e); + break; + case 'touchmove': + case 'pointermove': + case 'MSPointerMove': + case 'mousemove': + this._move(e); + break; + case 'touchend': + case 'pointerup': + case 'MSPointerUp': + case 'mouseup': + case 'touchcancel': + case 'pointercancel': + case 'MSPointerCancel': + case 'mousecancel': + this._end(e); + break; + } + }, + + destroy: function () { + if ( this.options.interactive ) { + utils.removeEvent(this.indicator, 'touchstart', this); + utils.removeEvent(this.indicator, utils.prefixPointerEvent('pointerdown'), this); + utils.removeEvent(this.indicator, 'mousedown', this); + + utils.removeEvent(window, 'touchmove', this); + utils.removeEvent(window, utils.prefixPointerEvent('pointermove'), this); + utils.removeEvent(window, 'mousemove', this); + + utils.removeEvent(window, 'touchend', this); + utils.removeEvent(window, utils.prefixPointerEvent('pointerup'), this); + utils.removeEvent(window, 'mouseup', this); + } + + if ( this.options.defaultScrollbars ) { + this.wrapper.parentNode.removeChild(this.wrapper); + } + }, + + _start: function (e) { + var point = e.touches ? e.touches[0] : e; + + e.preventDefault(); + e.stopPropagation(); + + this.transitionTime(); + + this.initiated = true; + this.moved = false; + this.lastPointX = point.pageX; + this.lastPointY = point.pageY; + + this.startTime = utils.getTime(); + + if ( !this.options.disableTouch ) { + utils.addEvent(window, 'touchmove', this); + } + if ( !this.options.disablePointer ) { + utils.addEvent(window, utils.prefixPointerEvent('pointermove'), this); + } + if ( !this.options.disableMouse ) { + utils.addEvent(window, 'mousemove', this); + } + + this.scroller._execEvent('beforeScrollStart'); + }, + + _move: function (e) { + var point = e.touches ? e.touches[0] : e, + deltaX, deltaY, + newX, newY, + timestamp = utils.getTime(); + + if ( !this.moved ) { + this.scroller._execEvent('scrollStart'); + } + + this.moved = true; + + deltaX = point.pageX - this.lastPointX; + this.lastPointX = point.pageX; + + deltaY = point.pageY - this.lastPointY; + this.lastPointY = point.pageY; + + newX = this.x + deltaX; + newY = this.y + deltaY; + + this._pos(newX, newY); + +// INSERT POINT: indicator._move + + e.preventDefault(); + e.stopPropagation(); + }, + + _end: function (e) { + if ( !this.initiated ) { + return; + } + + this.initiated = false; + + e.preventDefault(); + e.stopPropagation(); + + utils.removeEvent(window, 'touchmove', this); + utils.removeEvent(window, utils.prefixPointerEvent('pointermove'), this); + utils.removeEvent(window, 'mousemove', this); + + if ( this.scroller.options.snap ) { + var snap = this.scroller._nearestSnap(this.scroller.x, this.scroller.y); + + var time = this.options.snapSpeed || Math.max( + Math.max( + Math.min(Math.abs(this.scroller.x - snap.x), 1000), + Math.min(Math.abs(this.scroller.y - snap.y), 1000) + ), 300); + + if ( this.scroller.x != snap.x || this.scroller.y != snap.y ) { + this.scroller.directionX = 0; + this.scroller.directionY = 0; + this.scroller.currentPage = snap; + this.scroller.scrollTo(snap.x, snap.y, time, this.scroller.options.bounceEasing); + } + } + + if ( this.moved ) { + this.scroller._execEvent('scrollEnd'); + } + }, + + transitionTime: function (time) { + time = time || 0; + this.indicatorStyle[utils.style.transitionDuration] = time + 'ms'; + + if ( !time && utils.isBadAndroid ) { + this.indicatorStyle[utils.style.transitionDuration] = '0.001s'; + } + }, + + transitionTimingFunction: function (easing) { + this.indicatorStyle[utils.style.transitionTimingFunction] = easing; + }, + + refresh: function () { + this.transitionTime(); + + if ( this.options.listenX && !this.options.listenY ) { + this.indicatorStyle.display = this.scroller.hasHorizontalScroll ? 'block' : 'none'; + } else if ( this.options.listenY && !this.options.listenX ) { + this.indicatorStyle.display = this.scroller.hasVerticalScroll ? 'block' : 'none'; + } else { + this.indicatorStyle.display = this.scroller.hasHorizontalScroll || this.scroller.hasVerticalScroll ? 'block' : 'none'; + } + + if ( this.scroller.hasHorizontalScroll && this.scroller.hasVerticalScroll ) { + utils.addClass(this.wrapper, 'iScrollBothScrollbars'); + utils.removeClass(this.wrapper, 'iScrollLoneScrollbar'); + + if ( this.options.defaultScrollbars && this.options.customStyle ) { + if ( this.options.listenX ) { + this.wrapper.style.right = '8px'; + } else { + this.wrapper.style.bottom = '8px'; + } + } + } else { + utils.removeClass(this.wrapper, 'iScrollBothScrollbars'); + utils.addClass(this.wrapper, 'iScrollLoneScrollbar'); + + if ( this.options.defaultScrollbars && this.options.customStyle ) { + if ( this.options.listenX ) { + this.wrapper.style.right = '2px'; + } else { + this.wrapper.style.bottom = '2px'; + } + } + } + + var r = this.wrapper.offsetHeight; // force refresh + + if ( this.options.listenX ) { + this.wrapperWidth = this.wrapper.clientWidth; + if ( this.options.resize ) { + this.indicatorWidth = Math.max(Math.round(this.wrapperWidth * this.wrapperWidth / (this.scroller.scrollerWidth || this.wrapperWidth || 1)), 8); + this.indicatorStyle.width = this.indicatorWidth + 'px'; + } else { + this.indicatorWidth = this.indicator.clientWidth; + } + + this.maxPosX = this.wrapperWidth - this.indicatorWidth; + + if ( this.options.shrink == 'clip' ) { + this.minBoundaryX = -this.indicatorWidth + 8; + this.maxBoundaryX = this.wrapperWidth - 8; + } else { + this.minBoundaryX = 0; + this.maxBoundaryX = this.maxPosX; + } + + this.sizeRatioX = this.options.speedRatioX || (this.scroller.maxScrollX && (this.maxPosX / this.scroller.maxScrollX)); + } + + if ( this.options.listenY ) { + this.wrapperHeight = this.wrapper.clientHeight; + if ( this.options.resize ) { + this.indicatorHeight = Math.max(Math.round(this.wrapperHeight * this.wrapperHeight / (this.scroller.scrollerHeight || this.wrapperHeight || 1)), 8); + this.indicatorStyle.height = this.indicatorHeight + 'px'; + } else { + this.indicatorHeight = this.indicator.clientHeight; + } + + this.maxPosY = this.wrapperHeight - this.indicatorHeight; + + if ( this.options.shrink == 'clip' ) { + this.minBoundaryY = -this.indicatorHeight + 8; + this.maxBoundaryY = this.wrapperHeight - 8; + } else { + this.minBoundaryY = 0; + this.maxBoundaryY = this.maxPosY; + } + + this.maxPosY = this.wrapperHeight - this.indicatorHeight; + this.sizeRatioY = this.options.speedRatioY || (this.scroller.maxScrollY && (this.maxPosY / this.scroller.maxScrollY)); + } + + this.updatePosition(); + }, + + updatePosition: function () { + var x = this.options.listenX && Math.round(this.sizeRatioX * this.scroller.x) || 0, + y = this.options.listenY && Math.round(this.sizeRatioY * this.scroller.y) || 0; + + if ( !this.options.ignoreBoundaries ) { + if ( x < this.minBoundaryX ) { + if ( this.options.shrink == 'scale' ) { + this.width = Math.max(this.indicatorWidth + x, 8); + this.indicatorStyle.width = this.width + 'px'; + } + x = this.minBoundaryX; + } else if ( x > this.maxBoundaryX ) { + if ( this.options.shrink == 'scale' ) { + this.width = Math.max(this.indicatorWidth - (x - this.maxPosX), 8); + this.indicatorStyle.width = this.width + 'px'; + x = this.maxPosX + this.indicatorWidth - this.width; + } else { + x = this.maxBoundaryX; + } + } else if ( this.options.shrink == 'scale' && this.width != this.indicatorWidth ) { + this.width = this.indicatorWidth; + this.indicatorStyle.width = this.width + 'px'; + } + + if ( y < this.minBoundaryY ) { + if ( this.options.shrink == 'scale' ) { + this.height = Math.max(this.indicatorHeight + y * 3, 8); + this.indicatorStyle.height = this.height + 'px'; + } + y = this.minBoundaryY; + } else if ( y > this.maxBoundaryY ) { + if ( this.options.shrink == 'scale' ) { + this.height = Math.max(this.indicatorHeight - (y - this.maxPosY) * 3, 8); + this.indicatorStyle.height = this.height + 'px'; + y = this.maxPosY + this.indicatorHeight - this.height; + } else { + y = this.maxBoundaryY; + } + } else if ( this.options.shrink == 'scale' && this.height != this.indicatorHeight ) { + this.height = this.indicatorHeight; + this.indicatorStyle.height = this.height + 'px'; + } + } + + this.x = x; + this.y = y; + + if ( this.scroller.options.useTransform ) { + this.indicatorStyle[utils.style.transform] = 'translate(' + x + 'px,' + y + 'px)' + this.scroller.translateZ; + } else { + this.indicatorStyle.left = x + 'px'; + this.indicatorStyle.top = y + 'px'; + } + }, + + _pos: function (x, y) { + if ( x < 0 ) { + x = 0; + } else if ( x > this.maxPosX ) { + x = this.maxPosX; + } + + if ( y < 0 ) { + y = 0; + } else if ( y > this.maxPosY ) { + y = this.maxPosY; + } + + x = this.options.listenX ? Math.round(x / this.sizeRatioX) : this.scroller.x; + y = this.options.listenY ? Math.round(y / this.sizeRatioY) : this.scroller.y; + + this.scroller.scrollTo(x, y); + }, + + fade: function (val, hold) { + if ( hold && !this.visible ) { + return; + } + + clearTimeout(this.fadeTimeout); + this.fadeTimeout = null; + + var time = val ? 250 : 500, + delay = val ? 0 : 300; + + val = val ? '1' : '0'; + + this.wrapperStyle[utils.style.transitionDuration] = time + 'ms'; + + this.fadeTimeout = setTimeout((function (val) { + this.wrapperStyle.opacity = val; + this.visible = +val; + }).bind(this, val), delay); + } +}; + +IScroll.utils = utils; + +if ( typeof module != 'undefined' && module.exports ) { + module.exports = IScroll; +} else { + window.IScroll = IScroll; +} + +})(window, document, Math); \ No newline at end of file diff --git a/sorcery/iscroll.js b/sorcery/iscroll.js new file mode 100644 index 0000000..8bd2b8d --- /dev/null +++ b/sorcery/iscroll.js @@ -0,0 +1,2011 @@ +/*! iScroll v5.1.3 ~ (c) 2008-2014 Matteo Spinelli ~ http://cubiq.org/license */ +(function (window, document, Math) { +var rAF = window.requestAnimationFrame || + window.webkitRequestAnimationFrame || + window.mozRequestAnimationFrame || + window.oRequestAnimationFrame || + window.msRequestAnimationFrame || + function (callback) { window.setTimeout(callback, 1000 / 60); }; + +var utils = (function () { + var me = {}; + + var _elementStyle = document.createElement('div').style; + var _vendor = (function () { + var vendors = ['t', 'webkitT', 'MozT', 'msT', 'OT'], + transform, + i = 0, + l = vendors.length; + + for ( ; i < l; i++ ) { + transform = vendors[i] + 'ransform'; + if ( transform in _elementStyle ) return vendors[i].substr(0, vendors[i].length-1); + } + + return false; + })(); + + function _prefixStyle (style) { + if ( _vendor === false ) return false; + if ( _vendor === '' ) return style; + return _vendor + style.charAt(0).toUpperCase() + style.substr(1); + } + + me.getTime = Date.now || function getTime () { return new Date().getTime(); }; + + me.extend = function (target, obj) { + for ( var i in obj ) { + target[i] = obj[i]; + } + }; + + me.addEvent = function (el, type, fn, capture) { + el.addEventListener(type, fn, !!capture); + }; + + me.removeEvent = function (el, type, fn, capture) { + el.removeEventListener(type, fn, !!capture); + }; + + me.prefixPointerEvent = function (pointerEvent) { + return window.MSPointerEvent ? + 'MSPointer' + pointerEvent.charAt(9).toUpperCase() + pointerEvent.substr(10): + pointerEvent; + }; + + me.momentum = function (current, start, time, lowerMargin, wrapperSize, deceleration) { + var distance = current - start, + speed = Math.abs(distance) / time, + destination, + duration; + + deceleration = deceleration === undefined ? 0.0006 : deceleration; + + destination = current + ( speed * speed ) / ( 2 * deceleration ) * ( distance < 0 ? -1 : 1 ); + duration = speed / deceleration; + + if ( destination < lowerMargin ) { + destination = wrapperSize ? lowerMargin - ( wrapperSize / 2.5 * ( speed / 8 ) ) : lowerMargin; + distance = Math.abs(destination - current); + duration = distance / speed; + } else if ( destination > 0 ) { + destination = wrapperSize ? wrapperSize / 2.5 * ( speed / 8 ) : 0; + distance = Math.abs(current) + destination; + duration = distance / speed; + } + + return { + destination: Math.round(destination), + duration: duration + }; + }; + + var _transform = _prefixStyle('transform'); + + me.extend(me, { + hasTransform: _transform !== false, + hasPerspective: _prefixStyle('perspective') in _elementStyle, + hasTouch: 'ontouchstart' in window, + hasPointer: window.PointerEvent || window.MSPointerEvent, // IE10 is prefixed + hasTransition: _prefixStyle('transition') in _elementStyle + }); + + // This should find all Android browsers lower than build 535.19 (both stock browser and webview) + me.isBadAndroid = /Android /.test(window.navigator.appVersion) && !(/Chrome\/\d/.test(window.navigator.appVersion)); + + me.extend(me.style = {}, { + transform: _transform, + transitionTimingFunction: _prefixStyle('transitionTimingFunction'), + transitionDuration: _prefixStyle('transitionDuration'), + transitionDelay: _prefixStyle('transitionDelay'), + transformOrigin: _prefixStyle('transformOrigin') + }); + + me.hasClass = function (e, c) { + var re = new RegExp("(^|\\s)" + c + "(\\s|$)"); + return re.test(e.className); + }; + + me.addClass = function (e, c) { + if ( me.hasClass(e, c) ) { + return; + } + + var newclass = e.className.split(' '); + newclass.push(c); + e.className = newclass.join(' '); + }; + + me.removeClass = function (e, c) { + if ( !me.hasClass(e, c) ) { + return; + } + + var re = new RegExp("(^|\\s)" + c + "(\\s|$)", 'g'); + e.className = e.className.replace(re, ' '); + }; + + me.offset = function (el) { + var left = -el.offsetLeft, + top = -el.offsetTop; + + // jshint -W084 + while (el = el.offsetParent) { + left -= el.offsetLeft; + top -= el.offsetTop; + } + // jshint +W084 + + return { + left: left, + top: top + }; + }; + + me.preventDefaultException = function (el, exceptions) { + for ( var i in exceptions ) { + if ( exceptions[i].test(el[i]) ) { + return true; + } + } + + return false; + }; + + me.extend(me.eventType = {}, { + touchstart: 1, + touchmove: 1, + touchend: 1, + + mousedown: 2, + mousemove: 2, + mouseup: 2, + + pointerdown: 3, + pointermove: 3, + pointerup: 3, + + MSPointerDown: 3, + MSPointerMove: 3, + MSPointerUp: 3 + }); + + me.extend(me.ease = {}, { + quadratic: { + style: 'cubic-bezier(0.25, 0.46, 0.45, 0.94)', + fn: function (k) { + return k * ( 2 - k ); + } + }, + circular: { + style: 'cubic-bezier(0.1, 0.57, 0.1, 1)', // Not properly "circular" but this looks better, it should be (0.075, 0.82, 0.165, 1) + fn: function (k) { + return Math.sqrt( 1 - ( --k * k ) ); + } + }, + back: { + style: 'cubic-bezier(0.175, 0.885, 0.32, 1.275)', + fn: function (k) { + var b = 4; + return ( k = k - 1 ) * k * ( ( b + 1 ) * k + b ) + 1; + } + }, + bounce: { + style: '', + fn: function (k) { + if ( ( k /= 1 ) < ( 1 / 2.75 ) ) { + return 7.5625 * k * k; + } else if ( k < ( 2 / 2.75 ) ) { + return 7.5625 * ( k -= ( 1.5 / 2.75 ) ) * k + 0.75; + } else if ( k < ( 2.5 / 2.75 ) ) { + return 7.5625 * ( k -= ( 2.25 / 2.75 ) ) * k + 0.9375; + } else { + return 7.5625 * ( k -= ( 2.625 / 2.75 ) ) * k + 0.984375; + } + } + }, + elastic: { + style: '', + fn: function (k) { + var f = 0.22, + e = 0.4; + + if ( k === 0 ) { return 0; } + if ( k == 1 ) { return 1; } + + return ( e * Math.pow( 2, - 10 * k ) * Math.sin( ( k - f / 4 ) * ( 2 * Math.PI ) / f ) + 1 ); + } + } + }); + + me.tap = function (e, eventName) { + var ev = document.createEvent('Event'); + ev.initEvent(eventName, true, true); + ev.pageX = e.pageX; + ev.pageY = e.pageY; + e.target.dispatchEvent(ev); + }; + + me.click = function (e) { + var target = e.target, + ev; + + if ( !(/(SELECT|INPUT|TEXTAREA)/i).test(target.tagName) ) { + ev = document.createEvent('MouseEvents'); + ev.initMouseEvent('click', true, true, e.view, 1, + target.screenX, target.screenY, target.clientX, target.clientY, + e.ctrlKey, e.altKey, e.shiftKey, e.metaKey, + 0, null); + + ev._constructed = true; + target.dispatchEvent(ev); + } + }; + + return me; +})(); + +function IScroll (el, options) { + this.wrapper = typeof el == 'string' ? document.querySelector(el) : el; + this.scroller = this.wrapper.children[0]; + this.scrollerStyle = this.scroller.style; // cache style for better performance + + this.options = { + + resizeScrollbars: true, + + mouseWheelSpeed: 20, + + snapThreshold: 0.334, + +// INSERT POINT: OPTIONS + + startX: 0, + startY: 0, + scrollY: true, + directionLockThreshold: 5, + momentum: true, + + bounce: true, + bounceTime: 600, + bounceEasing: '', + + preventDefault: true, + preventDefaultException: { tagName: /^(INPUT|TEXTAREA|BUTTON|SELECT)$/ }, + + HWCompositing: true, + useTransition: true, + useTransform: true + }; + + for ( var i in options ) { + this.options[i] = options[i]; + } + + // Normalize options + this.translateZ = this.options.HWCompositing && utils.hasPerspective ? ' translateZ(0)' : ''; + + this.options.useTransition = utils.hasTransition && this.options.useTransition; + this.options.useTransform = utils.hasTransform && this.options.useTransform; + + this.options.eventPassthrough = this.options.eventPassthrough === true ? 'vertical' : this.options.eventPassthrough; + this.options.preventDefault = !this.options.eventPassthrough && this.options.preventDefault; + + // If you want eventPassthrough I have to lock one of the axes + this.options.scrollY = this.options.eventPassthrough == 'vertical' ? false : this.options.scrollY; + this.options.scrollX = this.options.eventPassthrough == 'horizontal' ? false : this.options.scrollX; + + // With eventPassthrough we also need lockDirection mechanism + this.options.freeScroll = this.options.freeScroll && !this.options.eventPassthrough; + this.options.directionLockThreshold = this.options.eventPassthrough ? 0 : this.options.directionLockThreshold; + + this.options.bounceEasing = typeof this.options.bounceEasing == 'string' ? utils.ease[this.options.bounceEasing] || utils.ease.circular : this.options.bounceEasing; + + this.options.resizePolling = this.options.resizePolling === undefined ? 60 : this.options.resizePolling; + + if ( this.options.tap === true ) { + this.options.tap = 'tap'; + } + + if ( this.options.shrinkScrollbars == 'scale' ) { + this.options.useTransition = false; + } + + this.options.invertWheelDirection = this.options.invertWheelDirection ? -1 : 1; + +// INSERT POINT: NORMALIZATION + + // Some defaults + this.x = 0; + this.y = 0; + this.directionX = 0; + this.directionY = 0; + this._events = {}; + +// INSERT POINT: DEFAULTS + + this._init(); + this.refresh(); + + this.scrollTo(this.options.startX, this.options.startY); + this.enable(); +} + +IScroll.prototype = { + version: '5.1.3', + + _init: function () { + this._initEvents(); + + if ( this.options.scrollbars || this.options.indicators ) { + this._initIndicators(); + } + + if ( this.options.mouseWheel ) { + this._initWheel(); + } + + if ( this.options.snap ) { + this._initSnap(); + } + + if ( this.options.keyBindings ) { + this._initKeys(); + } + +// INSERT POINT: _init + + }, + + destroy: function () { + this._initEvents(true); + + this._execEvent('destroy'); + }, + + _transitionEnd: function (e) { + if ( e.target != this.scroller || !this.isInTransition ) { + return; + } + + this._transitionTime(); + if ( !this.resetPosition(this.options.bounceTime) ) { + this.isInTransition = false; + this._execEvent('scrollEnd'); + } + }, + + _start: function (e) { + // React to left mouse button only + if ( utils.eventType[e.type] != 1 ) { + if ( e.button !== 0 ) { + return; + } + } + + if ( !this.enabled || (this.initiated && utils.eventType[e.type] !== this.initiated) ) { + return; + } + + if ( this.options.preventDefault && !utils.isBadAndroid && !utils.preventDefaultException(e.target, this.options.preventDefaultException) ) { + e.preventDefault(); + } + + var point = e.touches ? e.touches[0] : e, + pos; + + this.initiated = utils.eventType[e.type]; + this.moved = false; + this.distX = 0; + this.distY = 0; + this.directionX = 0; + this.directionY = 0; + this.directionLocked = 0; + + this._transitionTime(); + + this.startTime = utils.getTime(); + + if ( this.options.useTransition && this.isInTransition ) { + this.isInTransition = false; + pos = this.getComputedPosition(); + this._translate(Math.round(pos.x), Math.round(pos.y)); + this._execEvent('scrollEnd'); + } else if ( !this.options.useTransition && this.isAnimating ) { + this.isAnimating = false; + this._execEvent('scrollEnd'); + } + + this.startX = this.x; + this.startY = this.y; + this.absStartX = this.x; + this.absStartY = this.y; + this.pointX = point.pageX; + this.pointY = point.pageY; + + this._execEvent('beforeScrollStart'); + }, + + _move: function (e) { + if ( !this.enabled || utils.eventType[e.type] !== this.initiated ) { + return; + } + + if ( this.options.preventDefault ) { // increases performance on Android? TODO: check! + e.preventDefault(); + } + + var point = e.touches ? e.touches[0] : e, + deltaX = point.pageX - this.pointX, + deltaY = point.pageY - this.pointY, + timestamp = utils.getTime(), + newX, newY, + absDistX, absDistY; + + this.pointX = point.pageX; + this.pointY = point.pageY; + + this.distX += deltaX; + this.distY += deltaY; + absDistX = Math.abs(this.distX); + absDistY = Math.abs(this.distY); + + // We need to move at least 10 pixels for the scrolling to initiate + if ( timestamp - this.endTime > 300 && (absDistX < 10 && absDistY < 10) ) { + return; + } + + // If you are scrolling in one direction lock the other + if ( !this.directionLocked && !this.options.freeScroll ) { + if ( absDistX > absDistY + this.options.directionLockThreshold ) { + this.directionLocked = 'h'; // lock horizontally + } else if ( absDistY >= absDistX + this.options.directionLockThreshold ) { + this.directionLocked = 'v'; // lock vertically + } else { + this.directionLocked = 'n'; // no lock + } + } + + if ( this.directionLocked == 'h' ) { + if ( this.options.eventPassthrough == 'vertical' ) { + e.preventDefault(); + } else if ( this.options.eventPassthrough == 'horizontal' ) { + this.initiated = false; + return; + } + + deltaY = 0; + } else if ( this.directionLocked == 'v' ) { + if ( this.options.eventPassthrough == 'horizontal' ) { + e.preventDefault(); + } else if ( this.options.eventPassthrough == 'vertical' ) { + this.initiated = false; + return; + } + + deltaX = 0; + } + + deltaX = this.hasHorizontalScroll ? deltaX : 0; + deltaY = this.hasVerticalScroll ? deltaY : 0; + + newX = this.x + deltaX; + newY = this.y + deltaY; + + // Slow down if outside of the boundaries + if ( newX > 0 || newX < this.maxScrollX ) { + newX = this.options.bounce ? this.x + deltaX / 3 : newX > 0 ? 0 : this.maxScrollX; + } + if ( newY > 0 || newY < this.maxScrollY ) { + newY = this.options.bounce ? this.y + deltaY / 3 : newY > 0 ? 0 : this.maxScrollY; + } + + this.directionX = deltaX > 0 ? -1 : deltaX < 0 ? 1 : 0; + this.directionY = deltaY > 0 ? -1 : deltaY < 0 ? 1 : 0; + + if ( !this.moved ) { + this._execEvent('scrollStart'); + } + + this.moved = true; + + this._translate(newX, newY); + +/* REPLACE START: _move */ + + if ( timestamp - this.startTime > 300 ) { + this.startTime = timestamp; + this.startX = this.x; + this.startY = this.y; + } + +/* REPLACE END: _move */ + + }, + + _end: function (e) { + if ( !this.enabled || utils.eventType[e.type] !== this.initiated ) { + return; + } + + if ( this.options.preventDefault && !utils.preventDefaultException(e.target, this.options.preventDefaultException) ) { + e.preventDefault(); + } + + var point = e.changedTouches ? e.changedTouches[0] : e, + momentumX, + momentumY, + duration = utils.getTime() - this.startTime, + newX = Math.round(this.x), + newY = Math.round(this.y), + distanceX = Math.abs(newX - this.startX), + distanceY = Math.abs(newY - this.startY), + time = 0, + easing = ''; + + this.isInTransition = 0; + this.initiated = 0; + this.endTime = utils.getTime(); + + // reset if we are outside of the boundaries + if ( this.resetPosition(this.options.bounceTime) ) { + return; + } + + this.scrollTo(newX, newY); // ensures that the last position is rounded + + // we scrolled less than 10 pixels + if ( !this.moved ) { + if ( this.options.tap ) { + utils.tap(e, this.options.tap); + } + + if ( this.options.click ) { + utils.click(e); + } + + this._execEvent('scrollCancel'); + return; + } + + if ( this._events.flick && duration < 200 && distanceX < 100 && distanceY < 100 ) { + this._execEvent('flick'); + return; + } + + // start momentum animation if needed + if ( this.options.momentum && duration < 300 ) { + momentumX = this.hasHorizontalScroll ? utils.momentum(this.x, this.startX, duration, this.maxScrollX, this.options.bounce ? this.wrapperWidth : 0, this.options.deceleration) : { destination: newX, duration: 0 }; + momentumY = this.hasVerticalScroll ? utils.momentum(this.y, this.startY, duration, this.maxScrollY, this.options.bounce ? this.wrapperHeight : 0, this.options.deceleration) : { destination: newY, duration: 0 }; + newX = momentumX.destination; + newY = momentumY.destination; + time = Math.max(momentumX.duration, momentumY.duration); + this.isInTransition = 1; + } + + + if ( this.options.snap ) { + var snap = this._nearestSnap(newX, newY); + this.currentPage = snap; + time = this.options.snapSpeed || Math.max( + Math.max( + Math.min(Math.abs(newX - snap.x), 1000), + Math.min(Math.abs(newY - snap.y), 1000) + ), 300); + newX = snap.x; + newY = snap.y; + + this.directionX = 0; + this.directionY = 0; + easing = this.options.bounceEasing; + } + +// INSERT POINT: _end + + if ( newX != this.x || newY != this.y ) { + // change easing function when scroller goes out of the boundaries + if ( newX > 0 || newX < this.maxScrollX || newY > 0 || newY < this.maxScrollY ) { + easing = utils.ease.quadratic; + } + + this.scrollTo(newX, newY, time, easing); + return; + } + + this._execEvent('scrollEnd'); + }, + + _resize: function () { + var that = this; + + clearTimeout(this.resizeTimeout); + + this.resizeTimeout = setTimeout(function () { + that.refresh(); + }, this.options.resizePolling); + }, + + resetPosition: function (time) { + var x = this.x, + y = this.y; + + time = time || 0; + + if ( !this.hasHorizontalScroll || this.x > 0 ) { + x = 0; + } else if ( this.x < this.maxScrollX ) { + x = this.maxScrollX; + } + + if ( !this.hasVerticalScroll || this.y > 0 ) { + y = 0; + } else if ( this.y < this.maxScrollY ) { + y = this.maxScrollY; + } + + if ( x == this.x && y == this.y ) { + return false; + } + + this.scrollTo(x, y, time, this.options.bounceEasing); + + return true; + }, + + disable: function () { + this.enabled = false; + }, + + enable: function () { + this.enabled = true; + }, + + refresh: function () { + var rf = this.wrapper.offsetHeight; // Force reflow + + this.wrapperWidth = this.wrapper.clientWidth; + this.wrapperHeight = this.wrapper.clientHeight; + +/* REPLACE START: refresh */ + + this.scrollerWidth = this.scroller.offsetWidth; + this.scrollerHeight = this.scroller.offsetHeight; + + this.maxScrollX = this.wrapperWidth - this.scrollerWidth; + this.maxScrollY = this.wrapperHeight - this.scrollerHeight; + +/* REPLACE END: refresh */ + + this.hasHorizontalScroll = this.options.scrollX && this.maxScrollX < 0; + this.hasVerticalScroll = this.options.scrollY && this.maxScrollY < 0; + + if ( !this.hasHorizontalScroll ) { + this.maxScrollX = 0; + this.scrollerWidth = this.wrapperWidth; + } + + if ( !this.hasVerticalScroll ) { + this.maxScrollY = 0; + this.scrollerHeight = this.wrapperHeight; + } + + this.endTime = 0; + this.directionX = 0; + this.directionY = 0; + + this.wrapperOffset = utils.offset(this.wrapper); + + this._execEvent('refresh'); + + this.resetPosition(); + +// INSERT POINT: _refresh + + }, + + on: function (type, fn) { + if ( !this._events[type] ) { + this._events[type] = []; + } + + this._events[type].push(fn); + }, + + off: function (type, fn) { + if ( !this._events[type] ) { + return; + } + + var index = this._events[type].indexOf(fn); + + if ( index > -1 ) { + this._events[type].splice(index, 1); + } + }, + + _execEvent: function (type) { + if ( !this._events[type] ) { + return; + } + + var i = 0, + l = this._events[type].length; + + if ( !l ) { + return; + } + + for ( ; i < l; i++ ) { + this._events[type][i].apply(this, [].slice.call(arguments, 1)); + } + }, + + scrollBy: function (x, y, time, easing) { + x = this.x + x; + y = this.y + y; + time = time || 0; + + this.scrollTo(x, y, time, easing); + }, + + scrollTo: function (x, y, time, easing) { + easing = easing || utils.ease.circular; + + this.isInTransition = this.options.useTransition && time > 0; + + if ( !time || (this.options.useTransition && easing.style) ) { + this._transitionTimingFunction(easing.style); + this._transitionTime(time); + this._translate(x, y); + } else { + this._animate(x, y, time, easing.fn); + } + }, + + scrollToElement: function (el, time, offsetX, offsetY, easing) { + el = el.nodeType ? el : this.scroller.querySelector(el); + + if ( !el ) { + return; + } + + var pos = utils.offset(el); + + pos.left -= this.wrapperOffset.left; + pos.top -= this.wrapperOffset.top; + + // if offsetX/Y are true we center the element to the screen + if ( offsetX === true ) { + offsetX = Math.round(el.offsetWidth / 2 - this.wrapper.offsetWidth / 2); + } + if ( offsetY === true ) { + offsetY = Math.round(el.offsetHeight / 2 - this.wrapper.offsetHeight / 2); + } + + pos.left -= offsetX || 0; + pos.top -= offsetY || 0; + + pos.left = pos.left > 0 ? 0 : pos.left < this.maxScrollX ? this.maxScrollX : pos.left; + pos.top = pos.top > 0 ? 0 : pos.top < this.maxScrollY ? this.maxScrollY : pos.top; + + time = time === undefined || time === null || time === 'auto' ? Math.max(Math.abs(this.x-pos.left), Math.abs(this.y-pos.top)) : time; + + this.scrollTo(pos.left, pos.top, time, easing); + }, + + _transitionTime: function (time) { + time = time || 0; + + this.scrollerStyle[utils.style.transitionDuration] = time + 'ms'; + + if ( !time && utils.isBadAndroid ) { + this.scrollerStyle[utils.style.transitionDuration] = '0.001s'; + } + + + if ( this.indicators ) { + for ( var i = this.indicators.length; i--; ) { + this.indicators[i].transitionTime(time); + } + } + + +// INSERT POINT: _transitionTime + + }, + + _transitionTimingFunction: function (easing) { + this.scrollerStyle[utils.style.transitionTimingFunction] = easing; + + + if ( this.indicators ) { + for ( var i = this.indicators.length; i--; ) { + this.indicators[i].transitionTimingFunction(easing); + } + } + + +// INSERT POINT: _transitionTimingFunction + + }, + + _translate: function (x, y) { + if ( this.options.useTransform ) { + +/* REPLACE START: _translate */ + + this.scrollerStyle[utils.style.transform] = 'translate(' + x + 'px,' + y + 'px)' + this.translateZ; + +/* REPLACE END: _translate */ + + } else { + x = Math.round(x); + y = Math.round(y); + this.scrollerStyle.left = x + 'px'; + this.scrollerStyle.top = y + 'px'; + } + + this.x = x; + this.y = y; + + + if ( this.indicators ) { + for ( var i = this.indicators.length; i--; ) { + this.indicators[i].updatePosition(); + } + } + + +// INSERT POINT: _translate + + }, + + _initEvents: function (remove) { + var eventType = remove ? utils.removeEvent : utils.addEvent, + target = this.options.bindToWrapper ? this.wrapper : window; + + eventType(window, 'orientationchange', this); + eventType(window, 'resize', this); + + if ( this.options.click ) { + eventType(this.wrapper, 'click', this, true); + } + + if ( !this.options.disableMouse ) { + eventType(this.wrapper, 'mousedown', this); + eventType(target, 'mousemove', this); + eventType(target, 'mousecancel', this); + eventType(target, 'mouseup', this); + } + + if ( utils.hasPointer && !this.options.disablePointer ) { + eventType(this.wrapper, utils.prefixPointerEvent('pointerdown'), this); + eventType(target, utils.prefixPointerEvent('pointermove'), this); + eventType(target, utils.prefixPointerEvent('pointercancel'), this); + eventType(target, utils.prefixPointerEvent('pointerup'), this); + } + + if ( utils.hasTouch && !this.options.disableTouch ) { + eventType(this.wrapper, 'touchstart', this); + eventType(target, 'touchmove', this); + eventType(target, 'touchcancel', this); + eventType(target, 'touchend', this); + } + + eventType(this.scroller, 'transitionend', this); + eventType(this.scroller, 'webkitTransitionEnd', this); + eventType(this.scroller, 'oTransitionEnd', this); + eventType(this.scroller, 'MSTransitionEnd', this); + }, + + getComputedPosition: function () { + var matrix = window.getComputedStyle(this.scroller, null), + x, y; + + if ( this.options.useTransform ) { + matrix = matrix[utils.style.transform].split(')')[0].split(', '); + x = +(matrix[12] || matrix[4]); + y = +(matrix[13] || matrix[5]); + } else { + x = +matrix.left.replace(/[^-\d.]/g, ''); + y = +matrix.top.replace(/[^-\d.]/g, ''); + } + + return { x: x, y: y }; + }, + + _initIndicators: function () { + var interactive = this.options.interactiveScrollbars, + customStyle = typeof this.options.scrollbars != 'string', + indicators = [], + indicator; + + var that = this; + + this.indicators = []; + + if ( this.options.scrollbars ) { + // Vertical scrollbar + if ( this.options.scrollY ) { + indicator = { + el: createDefaultScrollbar('v', interactive, this.options.scrollbars), + interactive: interactive, + defaultScrollbars: true, + customStyle: customStyle, + resize: this.options.resizeScrollbars, + shrink: this.options.shrinkScrollbars, + fade: this.options.fadeScrollbars, + listenX: false + }; + + this.wrapper.appendChild(indicator.el); + indicators.push(indicator); + } + + // Horizontal scrollbar + if ( this.options.scrollX ) { + indicator = { + el: createDefaultScrollbar('h', interactive, this.options.scrollbars), + interactive: interactive, + defaultScrollbars: true, + customStyle: customStyle, + resize: this.options.resizeScrollbars, + shrink: this.options.shrinkScrollbars, + fade: this.options.fadeScrollbars, + listenY: false + }; + + this.wrapper.appendChild(indicator.el); + indicators.push(indicator); + } + } + + if ( this.options.indicators ) { + // TODO: check concat compatibility + indicators = indicators.concat(this.options.indicators); + } + + for ( var i = indicators.length; i--; ) { + this.indicators.push( new Indicator(this, indicators[i]) ); + } + + // TODO: check if we can use array.map (wide compatibility and performance issues) + function _indicatorsMap (fn) { + for ( var i = that.indicators.length; i--; ) { + fn.call(that.indicators[i]); + } + } + + if ( this.options.fadeScrollbars ) { + this.on('scrollEnd', function () { + _indicatorsMap(function () { + this.fade(); + }); + }); + + this.on('scrollCancel', function () { + _indicatorsMap(function () { + this.fade(); + }); + }); + + this.on('scrollStart', function () { + _indicatorsMap(function () { + this.fade(1); + }); + }); + + this.on('beforeScrollStart', function () { + _indicatorsMap(function () { + this.fade(1, true); + }); + }); + } + + + this.on('refresh', function () { + _indicatorsMap(function () { + this.refresh(); + }); + }); + + this.on('destroy', function () { + _indicatorsMap(function () { + this.destroy(); + }); + + delete this.indicators; + }); + }, + + _initWheel: function () { + utils.addEvent(this.wrapper, 'wheel', this); + utils.addEvent(this.wrapper, 'mousewheel', this); + utils.addEvent(this.wrapper, 'DOMMouseScroll', this); + + this.on('destroy', function () { + utils.removeEvent(this.wrapper, 'wheel', this); + utils.removeEvent(this.wrapper, 'mousewheel', this); + utils.removeEvent(this.wrapper, 'DOMMouseScroll', this); + }); + }, + + _wheel: function (e) { + if ( !this.enabled ) { + return; + } + + e.preventDefault(); + e.stopPropagation(); + + var wheelDeltaX, wheelDeltaY, + newX, newY, + that = this; + + if ( this.wheelTimeout === undefined ) { + that._execEvent('scrollStart'); + } + + // Execute the scrollEnd event after 400ms the wheel stopped scrolling + clearTimeout(this.wheelTimeout); + this.wheelTimeout = setTimeout(function () { + that._execEvent('scrollEnd'); + that.wheelTimeout = undefined; + }, 400); + + if ( 'deltaX' in e ) { + if (e.deltaMode === 1) { + wheelDeltaX = -e.deltaX * this.options.mouseWheelSpeed; + wheelDeltaY = -e.deltaY * this.options.mouseWheelSpeed; + } else { + wheelDeltaX = -e.deltaX; + wheelDeltaY = -e.deltaY; + } + } else if ( 'wheelDeltaX' in e ) { + wheelDeltaX = e.wheelDeltaX / 120 * this.options.mouseWheelSpeed; + wheelDeltaY = e.wheelDeltaY / 120 * this.options.mouseWheelSpeed; + } else if ( 'wheelDelta' in e ) { + wheelDeltaX = wheelDeltaY = e.wheelDelta / 120 * this.options.mouseWheelSpeed; + } else if ( 'detail' in e ) { + wheelDeltaX = wheelDeltaY = -e.detail / 3 * this.options.mouseWheelSpeed; + } else { + return; + } + + wheelDeltaX *= this.options.invertWheelDirection; + wheelDeltaY *= this.options.invertWheelDirection; + + if ( !this.hasVerticalScroll ) { + wheelDeltaX = wheelDeltaY; + wheelDeltaY = 0; + } + + if ( this.options.snap ) { + newX = this.currentPage.pageX; + newY = this.currentPage.pageY; + + if ( wheelDeltaX > 0 ) { + newX--; + } else if ( wheelDeltaX < 0 ) { + newX++; + } + + if ( wheelDeltaY > 0 ) { + newY--; + } else if ( wheelDeltaY < 0 ) { + newY++; + } + + this.goToPage(newX, newY); + + return; + } + + newX = this.x + Math.round(this.hasHorizontalScroll ? wheelDeltaX : 0); + newY = this.y + Math.round(this.hasVerticalScroll ? wheelDeltaY : 0); + + if ( newX > 0 ) { + newX = 0; + } else if ( newX < this.maxScrollX ) { + newX = this.maxScrollX; + } + + if ( newY > 0 ) { + newY = 0; + } else if ( newY < this.maxScrollY ) { + newY = this.maxScrollY; + } + + this.scrollTo(newX, newY, 0); + +// INSERT POINT: _wheel + }, + + _initSnap: function () { + this.currentPage = {}; + + if ( typeof this.options.snap == 'string' ) { + this.options.snap = this.scroller.querySelectorAll(this.options.snap); + } + + this.on('refresh', function () { + var i = 0, l, + m = 0, n, + cx, cy, + x = 0, y, + stepX = this.options.snapStepX || this.wrapperWidth, + stepY = this.options.snapStepY || this.wrapperHeight, + el; + + this.pages = []; + + if ( !this.wrapperWidth || !this.wrapperHeight || !this.scrollerWidth || !this.scrollerHeight ) { + return; + } + + if ( this.options.snap === true ) { + cx = Math.round( stepX / 2 ); + cy = Math.round( stepY / 2 ); + + while ( x > -this.scrollerWidth ) { + this.pages[i] = []; + l = 0; + y = 0; + + while ( y > -this.scrollerHeight ) { + this.pages[i][l] = { + x: Math.max(x, this.maxScrollX), + y: Math.max(y, this.maxScrollY), + width: stepX, + height: stepY, + cx: x - cx, + cy: y - cy + }; + + y -= stepY; + l++; + } + + x -= stepX; + i++; + } + } else { + el = this.options.snap; + l = el.length; + n = -1; + + for ( ; i < l; i++ ) { + if ( i === 0 || el[i].offsetLeft <= el[i-1].offsetLeft ) { + m = 0; + n++; + } + + if ( !this.pages[m] ) { + this.pages[m] = []; + } + + x = Math.max(-el[i].offsetLeft, this.maxScrollX); + y = Math.max(-el[i].offsetTop, this.maxScrollY); + cx = x - Math.round(el[i].offsetWidth / 2); + cy = y - Math.round(el[i].offsetHeight / 2); + + this.pages[m][n] = { + x: x, + y: y, + width: el[i].offsetWidth, + height: el[i].offsetHeight, + cx: cx, + cy: cy + }; + + if ( x > this.maxScrollX ) { + m++; + } + } + } + + this.goToPage(this.currentPage.pageX || 0, this.currentPage.pageY || 0, 0); + + // Update snap threshold if needed + if ( this.options.snapThreshold % 1 === 0 ) { + this.snapThresholdX = this.options.snapThreshold; + this.snapThresholdY = this.options.snapThreshold; + } else { + this.snapThresholdX = Math.round(this.pages[this.currentPage.pageX][this.currentPage.pageY].width * this.options.snapThreshold); + this.snapThresholdY = Math.round(this.pages[this.currentPage.pageX][this.currentPage.pageY].height * this.options.snapThreshold); + } + }); + + this.on('flick', function () { + var time = this.options.snapSpeed || Math.max( + Math.max( + Math.min(Math.abs(this.x - this.startX), 1000), + Math.min(Math.abs(this.y - this.startY), 1000) + ), 300); + + this.goToPage( + this.currentPage.pageX + this.directionX, + this.currentPage.pageY + this.directionY, + time + ); + }); + }, + + _nearestSnap: function (x, y) { + if ( !this.pages.length ) { + return { x: 0, y: 0, pageX: 0, pageY: 0 }; + } + + var i = 0, + l = this.pages.length, + m = 0; + + // Check if we exceeded the snap threshold + if ( Math.abs(x - this.absStartX) < this.snapThresholdX && + Math.abs(y - this.absStartY) < this.snapThresholdY ) { + return this.currentPage; + } + + if ( x > 0 ) { + x = 0; + } else if ( x < this.maxScrollX ) { + x = this.maxScrollX; + } + + if ( y > 0 ) { + y = 0; + } else if ( y < this.maxScrollY ) { + y = this.maxScrollY; + } + + for ( ; i < l; i++ ) { + if ( x >= this.pages[i][0].cx ) { + x = this.pages[i][0].x; + break; + } + } + + l = this.pages[i].length; + + for ( ; m < l; m++ ) { + if ( y >= this.pages[0][m].cy ) { + y = this.pages[0][m].y; + break; + } + } + + if ( i == this.currentPage.pageX ) { + i += this.directionX; + + if ( i < 0 ) { + i = 0; + } else if ( i >= this.pages.length ) { + i = this.pages.length - 1; + } + + x = this.pages[i][0].x; + } + + if ( m == this.currentPage.pageY ) { + m += this.directionY; + + if ( m < 0 ) { + m = 0; + } else if ( m >= this.pages[0].length ) { + m = this.pages[0].length - 1; + } + + y = this.pages[0][m].y; + } + + return { + x: x, + y: y, + pageX: i, + pageY: m + }; + }, + + goToPage: function (x, y, time, easing) { + easing = easing || this.options.bounceEasing; + + if ( x >= this.pages.length ) { + x = this.pages.length - 1; + } else if ( x < 0 ) { + x = 0; + } + + if ( y >= this.pages[x].length ) { + y = this.pages[x].length - 1; + } else if ( y < 0 ) { + y = 0; + } + + var posX = this.pages[x][y].x, + posY = this.pages[x][y].y; + + time = time === undefined ? this.options.snapSpeed || Math.max( + Math.max( + Math.min(Math.abs(posX - this.x), 1000), + Math.min(Math.abs(posY - this.y), 1000) + ), 300) : time; + + this.currentPage = { + x: posX, + y: posY, + pageX: x, + pageY: y + }; + + this.scrollTo(posX, posY, time, easing); + }, + + next: function (time, easing) { + var x = this.currentPage.pageX, + y = this.currentPage.pageY; + + x++; + + if ( x >= this.pages.length && this.hasVerticalScroll ) { + x = 0; + y++; + } + + this.goToPage(x, y, time, easing); + }, + + prev: function (time, easing) { + var x = this.currentPage.pageX, + y = this.currentPage.pageY; + + x--; + + if ( x < 0 && this.hasVerticalScroll ) { + x = 0; + y--; + } + + this.goToPage(x, y, time, easing); + }, + + _initKeys: function (e) { + // default key bindings + var keys = { + pageUp: 33, + pageDown: 34, + end: 35, + home: 36, + left: 37, + up: 38, + right: 39, + down: 40 + }; + var i; + + // if you give me characters I give you keycode + if ( typeof this.options.keyBindings == 'object' ) { + for ( i in this.options.keyBindings ) { + if ( typeof this.options.keyBindings[i] == 'string' ) { + this.options.keyBindings[i] = this.options.keyBindings[i].toUpperCase().charCodeAt(0); + } + } + } else { + this.options.keyBindings = {}; + } + + for ( i in keys ) { + this.options.keyBindings[i] = this.options.keyBindings[i] || keys[i]; + } + + utils.addEvent(window, 'keydown', this); + + this.on('destroy', function () { + utils.removeEvent(window, 'keydown', this); + }); + }, + + _key: function (e) { + if ( !this.enabled ) { + return; + } + + var snap = this.options.snap, // we are using this alot, better to cache it + newX = snap ? this.currentPage.pageX : this.x, + newY = snap ? this.currentPage.pageY : this.y, + now = utils.getTime(), + prevTime = this.keyTime || 0, + acceleration = 0.250, + pos; + + if ( this.options.useTransition && this.isInTransition ) { + pos = this.getComputedPosition(); + + this._translate(Math.round(pos.x), Math.round(pos.y)); + this.isInTransition = false; + } + + this.keyAcceleration = now - prevTime < 200 ? Math.min(this.keyAcceleration + acceleration, 50) : 0; + + switch ( e.keyCode ) { + case this.options.keyBindings.pageUp: + if ( this.hasHorizontalScroll && !this.hasVerticalScroll ) { + newX += snap ? 1 : this.wrapperWidth; + } else { + newY += snap ? 1 : this.wrapperHeight; + } + break; + case this.options.keyBindings.pageDown: + if ( this.hasHorizontalScroll && !this.hasVerticalScroll ) { + newX -= snap ? 1 : this.wrapperWidth; + } else { + newY -= snap ? 1 : this.wrapperHeight; + } + break; + case this.options.keyBindings.end: + newX = snap ? this.pages.length-1 : this.maxScrollX; + newY = snap ? this.pages[0].length-1 : this.maxScrollY; + break; + case this.options.keyBindings.home: + newX = 0; + newY = 0; + break; + case this.options.keyBindings.left: + newX += snap ? -1 : 5 + this.keyAcceleration>>0; + break; + case this.options.keyBindings.up: + newY += snap ? 1 : 5 + this.keyAcceleration>>0; + break; + case this.options.keyBindings.right: + newX -= snap ? -1 : 5 + this.keyAcceleration>>0; + break; + case this.options.keyBindings.down: + newY -= snap ? 1 : 5 + this.keyAcceleration>>0; + break; + default: + return; + } + + if ( snap ) { + this.goToPage(newX, newY); + return; + } + + if ( newX > 0 ) { + newX = 0; + this.keyAcceleration = 0; + } else if ( newX < this.maxScrollX ) { + newX = this.maxScrollX; + this.keyAcceleration = 0; + } + + if ( newY > 0 ) { + newY = 0; + this.keyAcceleration = 0; + } else if ( newY < this.maxScrollY ) { + newY = this.maxScrollY; + this.keyAcceleration = 0; + } + + this.scrollTo(newX, newY, 0); + + this.keyTime = now; + }, + + _animate: function (destX, destY, duration, easingFn) { + var that = this, + startX = this.x, + startY = this.y, + startTime = utils.getTime(), + destTime = startTime + duration; + + function step () { + var now = utils.getTime(), + newX, newY, + easing; + + if ( now >= destTime ) { + that.isAnimating = false; + that._translate(destX, destY); + + if ( !that.resetPosition(that.options.bounceTime) ) { + that._execEvent('scrollEnd'); + } + + return; + } + + now = ( now - startTime ) / duration; + easing = easingFn(now); + newX = ( destX - startX ) * easing + startX; + newY = ( destY - startY ) * easing + startY; + that._translate(newX, newY); + + if ( that.isAnimating ) { + rAF(step); + } + } + + this.isAnimating = true; + step(); + }, + handleEvent: function (e) { + switch ( e.type ) { + case 'touchstart': + case 'pointerdown': + case 'MSPointerDown': + case 'mousedown': + this._start(e); + break; + case 'touchmove': + case 'pointermove': + case 'MSPointerMove': + case 'mousemove': + this._move(e); + break; + case 'touchend': + case 'pointerup': + case 'MSPointerUp': + case 'mouseup': + case 'touchcancel': + case 'pointercancel': + case 'MSPointerCancel': + case 'mousecancel': + this._end(e); + break; + case 'orientationchange': + case 'resize': + this._resize(); + break; + case 'transitionend': + case 'webkitTransitionEnd': + case 'oTransitionEnd': + case 'MSTransitionEnd': + this._transitionEnd(e); + break; + case 'wheel': + case 'DOMMouseScroll': + case 'mousewheel': + this._wheel(e); + break; + case 'keydown': + this._key(e); + break; + case 'click': + if ( !e._constructed ) { + e.preventDefault(); + e.stopPropagation(); + } + break; + } + } +}; +function createDefaultScrollbar (direction, interactive, type) { + var scrollbar = document.createElement('div'), + indicator = document.createElement('div'); + + if ( type === true ) { + scrollbar.style.cssText = 'position:absolute;z-index:9999'; + indicator.style.cssText = '-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;position:absolute;background:rgba(0,0,0,0.5);border:1px solid rgba(255,255,255,0.9);border-radius:3px'; + } + + indicator.className = 'iScrollIndicator'; + + if ( direction == 'h' ) { + if ( type === true ) { + scrollbar.style.cssText += ';height:7px;left:2px;right:2px;bottom:0'; + indicator.style.height = '100%'; + } + scrollbar.className = 'iScrollHorizontalScrollbar'; + } else { + if ( type === true ) { + scrollbar.style.cssText += ';width:7px;bottom:2px;top:2px;right:1px'; + indicator.style.width = '100%'; + } + scrollbar.className = 'iScrollVerticalScrollbar'; + } + + scrollbar.style.cssText += ';overflow:hidden'; + + if ( !interactive ) { + scrollbar.style.pointerEvents = 'none'; + } + + scrollbar.appendChild(indicator); + + return scrollbar; +} + +function Indicator (scroller, options) { + this.wrapper = typeof options.el == 'string' ? document.querySelector(options.el) : options.el; + this.wrapperStyle = this.wrapper.style; + this.indicator = this.wrapper.children[0]; + this.indicatorStyle = this.indicator.style; + this.scroller = scroller; + + this.options = { + listenX: true, + listenY: true, + interactive: false, + resize: true, + defaultScrollbars: false, + shrink: false, + fade: false, + speedRatioX: 0, + speedRatioY: 0 + }; + + for ( var i in options ) { + this.options[i] = options[i]; + } + + this.sizeRatioX = 1; + this.sizeRatioY = 1; + this.maxPosX = 0; + this.maxPosY = 0; + + if ( this.options.interactive ) { + if ( !this.options.disableTouch ) { + utils.addEvent(this.indicator, 'touchstart', this); + utils.addEvent(window, 'touchend', this); + } + if ( !this.options.disablePointer ) { + utils.addEvent(this.indicator, utils.prefixPointerEvent('pointerdown'), this); + utils.addEvent(window, utils.prefixPointerEvent('pointerup'), this); + } + if ( !this.options.disableMouse ) { + utils.addEvent(this.indicator, 'mousedown', this); + utils.addEvent(window, 'mouseup', this); + } + } + + if ( this.options.fade ) { + this.wrapperStyle[utils.style.transform] = this.scroller.translateZ; + this.wrapperStyle[utils.style.transitionDuration] = utils.isBadAndroid ? '0.001s' : '0ms'; + this.wrapperStyle.opacity = '0'; + } +} + +Indicator.prototype = { + handleEvent: function (e) { + switch ( e.type ) { + case 'touchstart': + case 'pointerdown': + case 'MSPointerDown': + case 'mousedown': + this._start(e); + break; + case 'touchmove': + case 'pointermove': + case 'MSPointerMove': + case 'mousemove': + this._move(e); + break; + case 'touchend': + case 'pointerup': + case 'MSPointerUp': + case 'mouseup': + case 'touchcancel': + case 'pointercancel': + case 'MSPointerCancel': + case 'mousecancel': + this._end(e); + break; + } + }, + + destroy: function () { + if ( this.options.interactive ) { + utils.removeEvent(this.indicator, 'touchstart', this); + utils.removeEvent(this.indicator, utils.prefixPointerEvent('pointerdown'), this); + utils.removeEvent(this.indicator, 'mousedown', this); + + utils.removeEvent(window, 'touchmove', this); + utils.removeEvent(window, utils.prefixPointerEvent('pointermove'), this); + utils.removeEvent(window, 'mousemove', this); + + utils.removeEvent(window, 'touchend', this); + utils.removeEvent(window, utils.prefixPointerEvent('pointerup'), this); + utils.removeEvent(window, 'mouseup', this); + } + + if ( this.options.defaultScrollbars ) { + this.wrapper.parentNode.removeChild(this.wrapper); + } + }, + + _start: function (e) { + var point = e.touches ? e.touches[0] : e; + + e.preventDefault(); + e.stopPropagation(); + + this.transitionTime(); + + this.initiated = true; + this.moved = false; + this.lastPointX = point.pageX; + this.lastPointY = point.pageY; + + this.startTime = utils.getTime(); + + if ( !this.options.disableTouch ) { + utils.addEvent(window, 'touchmove', this); + } + if ( !this.options.disablePointer ) { + utils.addEvent(window, utils.prefixPointerEvent('pointermove'), this); + } + if ( !this.options.disableMouse ) { + utils.addEvent(window, 'mousemove', this); + } + + this.scroller._execEvent('beforeScrollStart'); + }, + + _move: function (e) { + var point = e.touches ? e.touches[0] : e, + deltaX, deltaY, + newX, newY, + timestamp = utils.getTime(); + + if ( !this.moved ) { + this.scroller._execEvent('scrollStart'); + } + + this.moved = true; + + deltaX = point.pageX - this.lastPointX; + this.lastPointX = point.pageX; + + deltaY = point.pageY - this.lastPointY; + this.lastPointY = point.pageY; + + newX = this.x + deltaX; + newY = this.y + deltaY; + + this._pos(newX, newY); + +// INSERT POINT: indicator._move + + e.preventDefault(); + e.stopPropagation(); + }, + + _end: function (e) { + if ( !this.initiated ) { + return; + } + + this.initiated = false; + + e.preventDefault(); + e.stopPropagation(); + + utils.removeEvent(window, 'touchmove', this); + utils.removeEvent(window, utils.prefixPointerEvent('pointermove'), this); + utils.removeEvent(window, 'mousemove', this); + + if ( this.scroller.options.snap ) { + var snap = this.scroller._nearestSnap(this.scroller.x, this.scroller.y); + + var time = this.options.snapSpeed || Math.max( + Math.max( + Math.min(Math.abs(this.scroller.x - snap.x), 1000), + Math.min(Math.abs(this.scroller.y - snap.y), 1000) + ), 300); + + if ( this.scroller.x != snap.x || this.scroller.y != snap.y ) { + this.scroller.directionX = 0; + this.scroller.directionY = 0; + this.scroller.currentPage = snap; + this.scroller.scrollTo(snap.x, snap.y, time, this.scroller.options.bounceEasing); + } + } + + if ( this.moved ) { + this.scroller._execEvent('scrollEnd'); + } + }, + + transitionTime: function (time) { + time = time || 0; + this.indicatorStyle[utils.style.transitionDuration] = time + 'ms'; + + if ( !time && utils.isBadAndroid ) { + this.indicatorStyle[utils.style.transitionDuration] = '0.001s'; + } + }, + + transitionTimingFunction: function (easing) { + this.indicatorStyle[utils.style.transitionTimingFunction] = easing; + }, + + refresh: function () { + this.transitionTime(); + + if ( this.options.listenX && !this.options.listenY ) { + this.indicatorStyle.display = this.scroller.hasHorizontalScroll ? 'block' : 'none'; + } else if ( this.options.listenY && !this.options.listenX ) { + this.indicatorStyle.display = this.scroller.hasVerticalScroll ? 'block' : 'none'; + } else { + this.indicatorStyle.display = this.scroller.hasHorizontalScroll || this.scroller.hasVerticalScroll ? 'block' : 'none'; + } + + if ( this.scroller.hasHorizontalScroll && this.scroller.hasVerticalScroll ) { + utils.addClass(this.wrapper, 'iScrollBothScrollbars'); + utils.removeClass(this.wrapper, 'iScrollLoneScrollbar'); + + if ( this.options.defaultScrollbars && this.options.customStyle ) { + if ( this.options.listenX ) { + this.wrapper.style.right = '8px'; + } else { + this.wrapper.style.bottom = '8px'; + } + } + } else { + utils.removeClass(this.wrapper, 'iScrollBothScrollbars'); + utils.addClass(this.wrapper, 'iScrollLoneScrollbar'); + + if ( this.options.defaultScrollbars && this.options.customStyle ) { + if ( this.options.listenX ) { + this.wrapper.style.right = '2px'; + } else { + this.wrapper.style.bottom = '2px'; + } + } + } + + var r = this.wrapper.offsetHeight; // force refresh + + if ( this.options.listenX ) { + this.wrapperWidth = this.wrapper.clientWidth; + if ( this.options.resize ) { + this.indicatorWidth = Math.max(Math.round(this.wrapperWidth * this.wrapperWidth / (this.scroller.scrollerWidth || this.wrapperWidth || 1)), 8); + this.indicatorStyle.width = this.indicatorWidth + 'px'; + } else { + this.indicatorWidth = this.indicator.clientWidth; + } + + this.maxPosX = this.wrapperWidth - this.indicatorWidth; + + if ( this.options.shrink == 'clip' ) { + this.minBoundaryX = -this.indicatorWidth + 8; + this.maxBoundaryX = this.wrapperWidth - 8; + } else { + this.minBoundaryX = 0; + this.maxBoundaryX = this.maxPosX; + } + + this.sizeRatioX = this.options.speedRatioX || (this.scroller.maxScrollX && (this.maxPosX / this.scroller.maxScrollX)); + } + + if ( this.options.listenY ) { + this.wrapperHeight = this.wrapper.clientHeight; + if ( this.options.resize ) { + this.indicatorHeight = Math.max(Math.round(this.wrapperHeight * this.wrapperHeight / (this.scroller.scrollerHeight || this.wrapperHeight || 1)), 8); + this.indicatorStyle.height = this.indicatorHeight + 'px'; + } else { + this.indicatorHeight = this.indicator.clientHeight; + } + + this.maxPosY = this.wrapperHeight - this.indicatorHeight; + + if ( this.options.shrink == 'clip' ) { + this.minBoundaryY = -this.indicatorHeight + 8; + this.maxBoundaryY = this.wrapperHeight - 8; + } else { + this.minBoundaryY = 0; + this.maxBoundaryY = this.maxPosY; + } + + this.maxPosY = this.wrapperHeight - this.indicatorHeight; + this.sizeRatioY = this.options.speedRatioY || (this.scroller.maxScrollY && (this.maxPosY / this.scroller.maxScrollY)); + } + + this.updatePosition(); + }, + + updatePosition: function () { + var x = this.options.listenX && Math.round(this.sizeRatioX * this.scroller.x) || 0, + y = this.options.listenY && Math.round(this.sizeRatioY * this.scroller.y) || 0; + + if ( !this.options.ignoreBoundaries ) { + if ( x < this.minBoundaryX ) { + if ( this.options.shrink == 'scale' ) { + this.width = Math.max(this.indicatorWidth + x, 8); + this.indicatorStyle.width = this.width + 'px'; + } + x = this.minBoundaryX; + } else if ( x > this.maxBoundaryX ) { + if ( this.options.shrink == 'scale' ) { + this.width = Math.max(this.indicatorWidth - (x - this.maxPosX), 8); + this.indicatorStyle.width = this.width + 'px'; + x = this.maxPosX + this.indicatorWidth - this.width; + } else { + x = this.maxBoundaryX; + } + } else if ( this.options.shrink == 'scale' && this.width != this.indicatorWidth ) { + this.width = this.indicatorWidth; + this.indicatorStyle.width = this.width + 'px'; + } + + if ( y < this.minBoundaryY ) { + if ( this.options.shrink == 'scale' ) { + this.height = Math.max(this.indicatorHeight + y * 3, 8); + this.indicatorStyle.height = this.height + 'px'; + } + y = this.minBoundaryY; + } else if ( y > this.maxBoundaryY ) { + if ( this.options.shrink == 'scale' ) { + this.height = Math.max(this.indicatorHeight - (y - this.maxPosY) * 3, 8); + this.indicatorStyle.height = this.height + 'px'; + y = this.maxPosY + this.indicatorHeight - this.height; + } else { + y = this.maxBoundaryY; + } + } else if ( this.options.shrink == 'scale' && this.height != this.indicatorHeight ) { + this.height = this.indicatorHeight; + this.indicatorStyle.height = this.height + 'px'; + } + } + + this.x = x; + this.y = y; + + if ( this.scroller.options.useTransform ) { + this.indicatorStyle[utils.style.transform] = 'translate(' + x + 'px,' + y + 'px)' + this.scroller.translateZ; + } else { + this.indicatorStyle.left = x + 'px'; + this.indicatorStyle.top = y + 'px'; + } + }, + + _pos: function (x, y) { + if ( x < 0 ) { + x = 0; + } else if ( x > this.maxPosX ) { + x = this.maxPosX; + } + + if ( y < 0 ) { + y = 0; + } else if ( y > this.maxPosY ) { + y = this.maxPosY; + } + + x = this.options.listenX ? 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