--- a/js/jquery.mobile-1.0b1.js +++ b/js/jquery.mobile-1.0b1.js @@ -1,1 +1,5627 @@ - +/*! + * jQuery Mobile v1.0b1 + * http://jquerymobile.com/ + * + * Copyright 2010, jQuery Project + * Dual licensed under the MIT or GPL Version 2 licenses. + * http://jquery.org/license + */ +/*! + * jQuery UI Widget @VERSION + * + * Copyright 2010, AUTHORS.txt (http://jqueryui.com/about) + * Dual licensed under the MIT or GPL Version 2 licenses. + * http://jquery.org/license + * + * http://docs.jquery.com/UI/Widget + */ +(function( $, undefined ) { + +// jQuery 1.4+ +if ( $.cleanData ) { + var _cleanData = $.cleanData; + $.cleanData = function( elems ) { + for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) { + $( elem ).triggerHandler( "remove" ); + } + _cleanData( elems ); + }; +} else { + var _remove = $.fn.remove; + $.fn.remove = function( selector, keepData ) { + return this.each(function() { + if ( !keepData ) { + if ( !selector || $.filter( selector, [ this ] ).length ) { + $( "*", this ).add( [ this ] ).each(function() { + $( this ).triggerHandler( "remove" ); + }); + } + } + return _remove.call( $(this), selector, keepData ); + }); + }; +} + +$.widget = function( name, base, prototype ) { + var namespace = name.split( "." )[ 0 ], + fullName; + name = name.split( "." )[ 1 ]; + fullName = namespace + "-" + name; + + if ( !prototype ) { + prototype = base; + base = $.Widget; + } + + // create selector for plugin + $.expr[ ":" ][ fullName ] = function( elem ) { + return !!$.data( elem, name ); + }; + + $[ namespace ] = $[ namespace ] || {}; + $[ namespace ][ name ] = function( options, element ) { + // allow instantiation without initializing for simple inheritance + if ( arguments.length ) { + this._createWidget( options, element ); + } + }; + + var basePrototype = new base(); + // we need to make the options hash a property directly on the new instance + // otherwise we'll modify the options hash on the prototype that we're + // inheriting from +// $.each( basePrototype, function( key, val ) { +// if ( $.isPlainObject(val) ) { +// basePrototype[ key ] = $.extend( {}, val ); +// } +// }); + basePrototype.options = $.extend( true, {}, basePrototype.options ); + $[ namespace ][ name ].prototype = $.extend( true, basePrototype, { + namespace: namespace, + widgetName: name, + widgetEventPrefix: $[ namespace ][ name ].prototype.widgetEventPrefix || name, + widgetBaseClass: fullName + }, prototype ); + + $.widget.bridge( name, $[ namespace ][ name ] ); +}; + +$.widget.bridge = function( name, object ) { + $.fn[ name ] = function( options ) { + var isMethodCall = typeof options === "string", + args = Array.prototype.slice.call( arguments, 1 ), + returnValue = this; + + // allow multiple hashes to be passed on init + options = !isMethodCall && args.length ? + $.extend.apply( null, [ true, options ].concat(args) ) : + options; + + // prevent calls to internal methods + if ( isMethodCall && options.charAt( 0 ) === "_" ) { + return returnValue; + } + + if ( isMethodCall ) { + this.each(function() { + var instance = $.data( this, name ); + if ( !instance ) { + throw "cannot call methods on " + name + " prior to initialization; " + + "attempted to call method '" + options + "'"; + } + if ( !$.isFunction( instance[options] ) ) { + throw "no such method '" + options + "' for " + name + " widget instance"; + } + var methodValue = instance[ options ].apply( instance, args ); + if ( methodValue !== instance && methodValue !== undefined ) { + returnValue = methodValue; + return false; + } + }); + } else { + this.each(function() { + var instance = $.data( this, name ); + if ( instance ) { + instance.option( options || {} )._init(); + } else { + $.data( this, name, new object( options, this ) ); + } + }); + } + + return returnValue; + }; +}; + +$.Widget = function( options, element ) { + // allow instantiation without initializing for simple inheritance + if ( arguments.length ) { + this._createWidget( options, element ); + } +}; + +$.Widget.prototype = { + widgetName: "widget", + widgetEventPrefix: "", + options: { + disabled: false + }, + _createWidget: function( options, element ) { + // $.widget.bridge stores the plugin instance, but we do it anyway + // so that it's stored even before the _create function runs + $.data( element, this.widgetName, this ); + this.element = $( element ); + this.options = $.extend( true, {}, + this.options, + this._getCreateOptions(), + options ); + + var self = this; + this.element.bind( "remove." + this.widgetName, function() { + self.destroy(); + }); + + this._create(); + this._trigger( "create" ); + this._init(); + }, + _getCreateOptions: function() { + var options = {}; + if ( $.metadata ) { + options = $.metadata.get( element )[ this.widgetName ]; + } + return options; + }, + _create: function() {}, + _init: function() {}, + + destroy: function() { + this.element + .unbind( "." + this.widgetName ) + .removeData( this.widgetName ); + this.widget() + .unbind( "." + this.widgetName ) + .removeAttr( "aria-disabled" ) + .removeClass( + this.widgetBaseClass + "-disabled " + + "ui-state-disabled" ); + }, + + widget: function() { + return this.element; + }, + + option: function( key, value ) { + var options = key; + + if ( arguments.length === 0 ) { + // don't return a reference to the internal hash + return $.extend( {}, this.options ); + } + + if (typeof key === "string" ) { + if ( value === undefined ) { + return this.options[ key ]; + } + options = {}; + options[ key ] = value; + } + + this._setOptions( options ); + + return this; + }, + _setOptions: function( options ) { + var self = this; + $.each( options, function( key, value ) { + self._setOption( key, value ); + }); + + return this; + }, + _setOption: function( key, value ) { + this.options[ key ] = value; + + if ( key === "disabled" ) { + this.widget() + [ value ? "addClass" : "removeClass"]( + this.widgetBaseClass + "-disabled" + " " + + "ui-state-disabled" ) + .attr( "aria-disabled", value ); + } + + return this; + }, + + enable: function() { + return this._setOption( "disabled", false ); + }, + disable: function() { + return this._setOption( "disabled", true ); + }, + + _trigger: function( type, event, data ) { + var callback = this.options[ type ]; + + event = $.Event( event ); + event.type = ( type === this.widgetEventPrefix ? + type : + this.widgetEventPrefix + type ).toLowerCase(); + data = data || {}; + + // copy original event properties over to the new event + // this would happen if we could call $.event.fix instead of $.Event + // but we don't have a way to force an event to be fixed multiple times + if ( event.originalEvent ) { + for ( var i = $.event.props.length, prop; i; ) { + prop = $.event.props[ --i ]; + event[ prop ] = event.originalEvent[ prop ]; + } + } + + this.element.trigger( event, data ); + + return !( $.isFunction(callback) && + callback.call( this.element[0], event, data ) === false || + event.isDefaultPrevented() ); + } +}; + +})( jQuery ); +/* +* jQuery Mobile Framework : widget factory extentions for mobile +* Copyright (c) jQuery Project +* Dual licensed under the MIT or GPL Version 2 licenses. +* http://jquery.org/license +*/ +(function($, undefined ) { + +$.widget( "mobile.widget", { + _getCreateOptions: function() { + var elem = this.element, + options = {}; + $.each( this.options, function( option ) { + var value = elem.jqmData( option.replace( /[A-Z]/g, function( c ) { + return "-" + c.toLowerCase(); + } ) ); + if ( value !== undefined ) { + options[ option ] = value; + } + }); + return options; + } +}); + +})( jQuery ); +/* +* jQuery Mobile Framework : resolution and CSS media query related helpers and behavior +* Copyright (c) jQuery Project +* Dual licensed under the MIT or GPL Version 2 licenses. +* http://jquery.org/license +*/ +(function($, undefined ) { + +var $window = $(window), + $html = $( "html" ), + + //media-query-like width breakpoints, which are translated to classes on the html element + resolutionBreakpoints = [320,480,768,1024]; + + +/* $.mobile.media method: pass a CSS media type or query and get a bool return + note: this feature relies on actual media query support for media queries, though types will work most anywhere + examples: + $.mobile.media('screen') //>> tests for screen media type + $.mobile.media('screen and (min-width: 480px)') //>> tests for screen media type with window width > 480px + $.mobile.media('@media screen and (-webkit-min-device-pixel-ratio: 2)') //>> tests for webkit 2x pixel ratio (iPhone 4) +*/ +$.mobile.media = (function() { + // TODO: use window.matchMedia once at least one UA implements it + var cache = {}, + testDiv = $( "<div id='jquery-mediatest'>" ), + fakeBody = $( "<body>" ).append( testDiv ); + + return function( query ) { + if ( !( query in cache ) ) { + var styleBlock = document.createElement('style'), + cssrule = "@media " + query + " { #jquery-mediatest { position:absolute; } }"; + //must set type for IE! + styleBlock.type = "text/css"; + if (styleBlock.styleSheet){ + styleBlock.styleSheet.cssText = cssrule; + } + else { + styleBlock.appendChild(document.createTextNode(cssrule)); + } + + $html.prepend( fakeBody ).prepend( styleBlock ); + cache[ query ] = testDiv.css( "position" ) === "absolute"; + fakeBody.add( styleBlock ).remove(); + } + return cache[ query ]; + }; +})(); + +/* + private function for adding/removing breakpoint classes to HTML element for faux media-query support + It does not require media query support, instead using JS to detect screen width > cross-browser support + This function is called on orientationchange, resize, and mobileinit, and is bound via the 'htmlclass' event namespace +*/ +function detectResolutionBreakpoints(){ + var currWidth = $window.width(), + minPrefix = "min-width-", + maxPrefix = "max-width-", + minBreakpoints = [], + maxBreakpoints = [], + unit = "px", + breakpointClasses; + + $html.removeClass( minPrefix + resolutionBreakpoints.join(unit + " " + minPrefix) + unit + " " + + maxPrefix + resolutionBreakpoints.join( unit + " " + maxPrefix) + unit ); + + $.each(resolutionBreakpoints,function( i, breakPoint ){ + if( currWidth >= breakPoint ){ + minBreakpoints.push( minPrefix + breakPoint + unit ); + } + if( currWidth <= breakPoint ){ + maxBreakpoints.push( maxPrefix + breakPoint + unit ); + } + }); + + if( minBreakpoints.length ){ breakpointClasses = minBreakpoints.join(" "); } + if( maxBreakpoints.length ){ breakpointClasses += " " + maxBreakpoints.join(" "); } + + $html.addClass( breakpointClasses ); +}; + +/* $.mobile.addResolutionBreakpoints method: + pass either a number or an array of numbers and they'll be added to the min/max breakpoint classes + Examples: + $.mobile.addResolutionBreakpoints( 500 ); + $.mobile.addResolutionBreakpoints( [500, 1200] ); +*/ +$.mobile.addResolutionBreakpoints = function( newbps ){ + if( $.type( newbps ) === "array" ){ + resolutionBreakpoints = resolutionBreakpoints.concat( newbps ); + } + else { + resolutionBreakpoints.push( newbps ); + } + resolutionBreakpoints.sort(function(a,b){ return a-b; }); + detectResolutionBreakpoints(); +}; + +/* on mobileinit, add classes to HTML element + and set handlers to update those on orientationchange and resize*/ +$(document).bind("mobileinit.htmlclass", function(){ + /* bind to orientationchange and resize + to add classes to HTML element for min/max breakpoints and orientation */ + var ev = $.support.orientation; + $window.bind("orientationchange.htmlclass throttledResize.htmlclass", function(event){ + //add orientation class to HTML element on flip/resize. + if(event.orientation){ + $html.removeClass( "portrait landscape" ).addClass( event.orientation ); + } + //add classes to HTML element for min/max breakpoints + detectResolutionBreakpoints(); + }); +}); + +/* Manually trigger an orientationchange event when the dom ready event fires. + This will ensure that any viewport meta tag that may have been injected + has taken effect already, allowing us to properly calculate the width of the + document. +*/ +$(function(){ + //trigger event manually + $window.trigger( "orientationchange.htmlclass" ); +}); + +})(jQuery);/* +* jQuery Mobile Framework : support tests +* Copyright (c) jQuery Project +* Dual licensed under the MIT (MIT-LICENSE.txt) and GPL (GPL-LICENSE.txt) licenses. +* Note: Code is in draft form and is subject to change +*/ +( function( $, undefined ) { + +var fakeBody = $( "<body>" ).prependTo( "html" ), + fbCSS = fakeBody[ 0 ].style, + vendors = [ "webkit", "moz", "o" ], + webos = "palmGetResource" in window, //only used to rule out scrollTop + bb = window.blackberry; //only used to rule out box shadow, as it's filled opaque on BB + +// thx Modernizr +function propExists( prop ){ + var uc_prop = prop.charAt( 0 ).toUpperCase() + prop.substr( 1 ), + props = ( prop + " " + vendors.join( uc_prop + " " ) + uc_prop ).split( " " ); + for( var v in props ){ + if( fbCSS[ v ] !== undefined ){ + return true; + } + } +} + +// test for dynamic-updating base tag support ( allows us to avoid href,src attr rewriting ) +function baseTagTest(){ + var fauxBase = location.protocol + "//" + location.host + location.pathname + "ui-dir/", + base = $( "head base" ), + fauxEle = null, + href = ""; + if ( !base.length ) { + base = fauxEle = $( "<base>", { "href": fauxBase} ).appendTo( "head" ); + } + else { + href = base.attr( "href" ); + } + var link = $( "<a href='testurl'></a>" ).prependTo( fakeBody ), + rebase = link[ 0 ].href; + base[ 0 ].href = href ? href : location.pathname; + if ( fauxEle ) { + fauxEle.remove(); + } + return rebase.indexOf( fauxBase ) === 0; +} + + +// non-UA-based IE version check by James Padolsey, modified by jdalton - from http://gist.github.com/527683 +// allows for inclusion of IE 6+, including Windows Mobile 7 +$.mobile.browser = {}; +$.mobile.browser.ie = ( function() { + var v = 3, + div = document.createElement( "div" ), + a = div.all || []; + while ( div.innerHTML = "<!--[if gt IE " + ( ++v ) + "]><br><![endif]-->", a[ 0 ] ); + return v > 4 ? v : !v; +}() ); + + +$.extend( $.support, { + orientation: "orientation" in window, + touch: "ontouchend" in document, + cssTransitions: "WebKitTransitionEvent" in window, + pushState: !!history.pushState, + mediaquery: $.mobile.media( "only all" ), + cssPseudoElement: !!propExists( "content" ), + boxShadow: !!propExists( "boxShadow" ) && !bb, + scrollTop: ( "pageXOffset" in window || "scrollTop" in document.documentElement || "scrollTop" in fakeBody[ 0 ] ) && !webos, + dynamicBaseTag: baseTagTest(), + eventCapture: ( "addEventListener" in document ) // This is a weak test. We may want to beef this up later. +} ); + +fakeBody.remove(); + +// for ruling out shadows via css +if( !$.support.boxShadow ){ $( "html" ).addClass( "ui-mobile-nosupport-boxshadow" ); } + +} )( jQuery );/* +* jQuery Mobile Framework : "mouse" plugin +* Copyright (c) jQuery Project +* Dual licensed under the MIT or GPL Version 2 licenses. +* http://jquery.org/license +*/ + +// This plugin is an experiment for abstracting away the touch and mouse +// events so that developers don't have to worry about which method of input +// the device their document is loaded on supports. +// +// The idea here is to allow the developer to register listeners for the +// basic mouse events, such as mousedown, mousemove, mouseup, and click, +// and the plugin will take care of registering the correct listeners +// behind the scenes to invoke the listener at the fastest possible time +// for that device, while still retaining the order of event firing in +// the traditional mouse environment, should multiple handlers be registered +// on the same element for different events. +// +// The current version exposes the following virtual events to jQuery bind methods: +// "vmouseover vmousedown vmousemove vmouseup vclick vmouseout vmousecancel" + +(function($, window, document, undefined) { + +var dataPropertyName = "virtualMouseBindings", + touchTargetPropertyName = "virtualTouchID", + virtualEventNames = "vmouseover vmousedown vmousemove vmouseup vclick vmouseout vmousecancel".split(" "), + touchEventProps = "clientX clientY pageX pageY screenX screenY".split(" "), + activeDocHandlers = {}, + resetTimerID = 0, + startX = 0, + startY = 0, + didScroll = false, + clickBlockList = [], + blockMouseTriggers = false, + blockTouchTriggers = false, + eventCaptureSupported = $.support.eventCapture, + $document = $(document), + nextTouchID = 1, + lastTouchID = 0; + +$.vmouse = { + moveDistanceThreshold: 10, + clickDistanceThreshold: 10, + resetTimerDuration: 1500 +}; + +function getNativeEvent(event) +{ + while (event && typeof event.originalEvent !== "undefined") { + event = event.originalEvent; + } + return event; +} + +function createVirtualEvent(event, eventType) +{ + var t = event.type; + event = $.Event(event); + event.type = eventType; + + var oe = event.originalEvent; + var props = $.event.props; + + // copy original event properties over to the new event + // this would happen if we could call $.event.fix instead of $.Event + // but we don't have a way to force an event to be fixed multiple times + if (oe) { + for ( var i = props.length, prop; i; ) { + prop = props[ --i ]; + event[prop] = oe[prop]; + } + } + + if (t.search(/^touch/) !== -1){ + var ne = getNativeEvent(oe), + t = ne.touches, + ct = ne.changedTouches, + touch = (t && t.length) ? t[0] : ((ct && ct.length) ? ct[0] : undefined); + if (touch){ + for (var i = 0, len = touchEventProps.length; i < len; i++){ + var prop = touchEventProps[i]; + event[prop] = touch[prop]; + } + } + } + + return event; +} + +function getVirtualBindingFlags(element) +{ + var flags = {}; + while (element){ + var b = $.data(element, dataPropertyName); + for (var k in b) { + if (b[k]){ + flags[k] = flags.hasVirtualBinding = true; + } + } + element = element.parentNode; + } + return flags; +} + +function getClosestElementWithVirtualBinding(element, eventType) +{ + while (element){ + var b = $.data(element, dataPropertyName); + if (b && (!eventType || b[eventType])) { + return element; + } + element = element.parentNode; + } + return null; +} + +function enableTouchBindings() +{ + blockTouchTriggers = false; +} + +function disableTouchBindings() +{ + blockTouchTriggers = true; +} + +function enableMouseBindings() +{ + lastTouchID = 0; + clickBlockList.length = 0; + blockMouseTriggers = false; + + // When mouse bindings are enabled, our + // touch bindings are disabled. + disableTouchBindings(); +} + +function disableMouseBindings() +{ + // When mouse bindings are disabled, our + // touch bindings are enabled. + enableTouchBindings(); +} + +function startResetTimer() +{ + clearResetTimer(); + resetTimerID = setTimeout(function(){ + resetTimerID = 0; + enableMouseBindings(); + }, $.vmouse.resetTimerDuration); +} + +function clearResetTimer() +{ + if (resetTimerID){ + clearTimeout(resetTimerID); + resetTimerID = 0; + } +} + +function triggerVirtualEvent(eventType, event, flags) +{ + var defaultPrevented = false; + + if ((flags && flags[eventType]) || (!flags && getClosestElementWithVirtualBinding(event.target, eventType))) { + var ve = createVirtualEvent(event, eventType); + $(event.target).trigger(ve); + defaultPrevented = ve.isDefaultPrevented(); + } + + return defaultPrevented; +} + +function mouseEventCallback(event) +{ + var touchID = $.data(event.target, touchTargetPropertyName); + if (!blockMouseTriggers && (!lastTouchID || lastTouchID !== touchID)){ + triggerVirtualEvent("v" + event.type, event); + } +} + +function handleTouchStart(event) +{ + var touches = getNativeEvent(event).touches; + if (touches && touches.length === 1){ + var target = event.target, + flags = getVirtualBindingFlags(target); + + if (flags.hasVirtualBinding){ + lastTouchID = nextTouchID++; + $.data(target, touchTargetPropertyName, lastTouchID); + + clearResetTimer(); + + disableMouseBindings(); + didScroll = false; + + var t = getNativeEvent(event).touches[0]; + startX = t.pageX; + startY = t.pageY; + + triggerVirtualEvent("vmouseover", event, flags); + triggerVirtualEvent("vmousedown", event, flags); + } + } +} + +function handleScroll(event) +{ + if (blockTouchTriggers){ + return; + } + + if (!didScroll){ + triggerVirtualEvent("vmousecancel", event, getVirtualBindingFlags(event.target)); + } + + didScroll = true; + startResetTimer(); +} + +function handleTouchMove(event) +{ + if (blockTouchTriggers){ + return; + } + + var t = getNativeEvent(event).touches[0]; + + var didCancel = didScroll, + moveThreshold = $.vmouse.moveDistanceThreshold; + didScroll = didScroll + || (Math.abs(t.pageX - startX) > moveThreshold || Math.abs(t.pageY - startY) > moveThreshold); + + var flags = getVirtualBindingFlags(event.target); + if (didScroll && !didCancel){ + triggerVirtualEvent("vmousecancel", event, flags); + } + triggerVirtualEvent("vmousemove", event, flags); + startResetTimer(); +} + +function handleTouchEnd(event) +{ + if (blockTouchTriggers){ + return; + } + + disableTouchBindings(); + + var flags = getVirtualBindingFlags(event.target); + triggerVirtualEvent("vmouseup", event, flags); + if (!didScroll){ + if (triggerVirtualEvent("vclick", event, flags)){ + // The target of the mouse events that follow the touchend + // event don't necessarily match the target used during the + // touch. This means we need to rely on coordinates for blocking + // any click that is generated. + var t = getNativeEvent(event).changedTouches[0]; + clickBlockList.push({ touchID: lastTouchID, x: t.clientX, y: t.clientY }); + + // Prevent any mouse events that follow from triggering + // virtual event notifications. + blockMouseTriggers = true; + } + } + triggerVirtualEvent("vmouseout", event, flags); + didScroll = false; + + startResetTimer(); +} + +function hasVirtualBindings(ele) +{ + var bindings = $.data(ele, dataPropertyName), k; + if (bindings){ + for (k in bindings){ + if (bindings[k]){ + return true; + } + } + } + return false; +} + +function dummyMouseHandler(){} + +function getSpecialEventObject(eventType) +{ + var realType = eventType.substr(1); + return { + setup: function(data, namespace) { + // If this is the first virtual mouse binding for this element, + // add a bindings object to its data. + + if (!hasVirtualBindings(this)){ + $.data(this, dataPropertyName, {}); + } + + // If setup is called, we know it is the first binding for this + // eventType, so initialize the count for the eventType to zero. + + var bindings = $.data(this, dataPropertyName); + bindings[eventType] = true; + + // If this is the first virtual mouse event for this type, + // register a global handler on the document. + + activeDocHandlers[eventType] = (activeDocHandlers[eventType] || 0) + 1; + if (activeDocHandlers[eventType] === 1){ + $document.bind(realType, mouseEventCallback); + } + + // Some browsers, like Opera Mini, won't dispatch mouse/click events + // for elements unless they actually have handlers registered on them. + // To get around this, we register dummy handlers on the elements. + + $(this).bind(realType, dummyMouseHandler); + + // For now, if event capture is not supported, we rely on mouse handlers. + if (eventCaptureSupported){ + // If this is the first virtual mouse binding for the document, + // register our touchstart handler on the document. + + activeDocHandlers["touchstart"] = (activeDocHandlers["touchstart"] || 0) + 1; + if (activeDocHandlers["touchstart"] === 1) { + $document.bind("touchstart", handleTouchStart) + + .bind("touchend", handleTouchEnd) + + // On touch platforms, touching the screen and then dragging your finger + // causes the window content to scroll after some distance threshold is + // exceeded. On these platforms, a scroll prevents a click event from being + // dispatched, and on some platforms, even the touchend is suppressed. To + // mimic the suppression of the click event, we need to watch for a scroll + // event. Unfortunately, some platforms like iOS don't dispatch scroll + // events until *AFTER* the user lifts their finger (touchend). This means + // we need to watch both scroll and touchmove events to figure out whether + // or not a scroll happenens before the touchend event is fired. + + .bind("touchmove", handleTouchMove) + .bind("scroll", handleScroll); + } + } + }, + + teardown: function(data, namespace) { + // If this is the last virtual binding for this eventType, + // remove its global handler from the document. + + --activeDocHandlers[eventType]; + if (!activeDocHandlers[eventType]){ + $document.unbind(realType, mouseEventCallback); + } + + if (eventCaptureSupported){ + // If this is the last virtual mouse binding in existence, + // remove our document touchstart listener. + + --activeDocHandlers["touchstart"]; + if (!activeDocHandlers["touchstart"]) { + $document.unbind("touchstart", handleTouchStart) + .unbind("touchmove", handleTouchMove) + .unbind("touchend", handleTouchEnd) + .unbind("scroll", handleScroll); + } + } + + var $this = $(this), + bindings = $.data(this, dataPropertyName); + + // teardown may be called when an element was + // removed from the DOM. If this is the case, + // jQuery core may have already stripped the element + // of any data bindings so we need to check it before + // using it. + if (bindings){ + bindings[eventType] = false; + } + + // Unregister the dummy event handler. + + $this.unbind(realType, dummyMouseHandler); + + // If this is the last virtual mouse binding on the + // element, remove the binding data from the element. + + if (!hasVirtualBindings(this)){ + $this.removeData(dataPropertyName); + } + } + }; +} + +// Expose our custom events to the jQuery bind/unbind mechanism. + +for (var i = 0; i < virtualEventNames.length; i++){ + $.event.special[virtualEventNames[i]] = getSpecialEventObject(virtualEventNames[i]); +} + +// Add a capture click handler to block clicks. +// Note that we require event capture support for this so if the device +// doesn't support it, we punt for now and rely solely on mouse events. +if (eventCaptureSupported){ + document.addEventListener("click", function(e){ + var cnt = clickBlockList.length; + var target = e.target; + if (cnt) { + var x = e.clientX, + y = e.clientY, + threshold = $.vmouse.clickDistanceThreshold; + + // The idea here is to run through the clickBlockList to see if + // the current click event is in the proximity of one of our + // vclick events that had preventDefault() called on it. If we find + // one, then we block the click. + // + // Why do we have to rely on proximity? + // + // Because the target of the touch event that triggered the vclick + // can be different from the target of the click event synthesized + // by the browser. The target of a mouse/click event that is syntehsized + // from a touch event seems to be implementation specific. For example, + // some browsers will fire mouse/click events for a link that is near + // a touch event, even though the target of the touchstart/touchend event + // says the user touched outside the link. Also, it seems that with most + // browsers, the target of the mouse/click event is not calculated until the + // time it is dispatched, so if you replace an element that you touched + // with another element, the target of the mouse/click will be the new + // element underneath that point. + // + // Aside from proximity, we also check to see if the target and any + // of its ancestors were the ones that blocked a click. This is necessary + // because of the strange mouse/click target calculation done in the + // Android 2.1 browser, where if you click on an element, and there is a + // mouse/click handler on one of its ancestors, the target will be the + // innermost child of the touched element, even if that child is no where + // near the point of touch. + + var ele = target; + while (ele) { + for (var i = 0; i < cnt; i++) { + var o = clickBlockList[i], + touchID = 0; + if ((ele === target && Math.abs(o.x - x) < threshold && Math.abs(o.y - y) < threshold) || $.data(ele, touchTargetPropertyName) === o.touchID){ + // XXX: We may