jQuery Mobile 架包

/* * jQuery Mobile Framework 1.1.0 db342b1f315c282692791aa870455901fdb46a55 * http://jquerymobile.com * * Copyright 2011 (c) jQuery Project * Dual licensed under the MIT or GPL Version 2 licenses. * http://jquery.org/license * */ (function ( root, doc, factory ) { if ( typeof define === "function" && define.amd ) { // AMD. Register as an anonymous module. define( [ "jquery" ], function ( $ ) { factory( $, root, doc ); return $.mobile; }); } else { // Browser globals factory( root.jQuery, root, doc ); } }( this, document, function ( $, window, document, undefined ) { // 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( " " ), mouseHookProps = $.event.mouseHooks ? $.event.mouseHooks.props : [], mouseEventProps = $.event.props.concat( mouseHookProps ), activeDocHandlers = {}, resetTimerID = 0, startX = 0, startY = 0, didScroll = false, clickBlockList = [], blockMouseTriggers = false, blockTouchTriggers = false, eventCaptureSupported = "addEventListener" in document, $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, oe, props, ne, prop, ct, touch, i, j; event = $.Event(event); event.type = eventType; oe = event.originalEvent; props = $.event.props; // addresses separation of $.event.props in to $.event.mouseHook.props and Issue 3280 // https://github.com/jquery/jquery-mobile/issues/3280 if ( t.search( /^(mouse|click)/ ) > -1 ) { props = mouseEventProps; } // 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 ( i = props.length, prop; i; ) { prop = props[ --i ]; event[ prop ] = oe[ prop ]; } } // make sure that if the mouse and click virtual events are generated // without a .which one is defined if ( t.search(/mouse(down|up)|click/) > -1 && !event.which ){ event.which = 1; } if ( t.search(/^touch/) !== -1 ) { ne = getNativeEvent( oe ); t = ne.touches; ct = ne.changedTouches; touch = ( t && t.length ) ? t[0] : ( (ct && ct.length) ? ct[ 0 ] : undefined ); if ( touch ) { for ( j = 0, len = touchEventProps.length; j < len; j++){ prop = touchEventProps[ j ]; event[ prop ] = touch[ prop ]; } } } return event; } function getVirtualBindingFlags( element ) { var flags = {}, b, k; while ( element ) { b = $.data( element, dataPropertyName ); for ( k in b ) { if ( b[ k ] ) { flags[ k ] = flags.hasVirtualBinding = true; } } element = element.parentNode; } return flags; } function getClosestElementWithVirtualBinding( element, eventType ) { var b; while ( element ) { 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 ve; if ( ( flags && flags[ eventType ] ) || ( !flags && getClosestElementWithVirtualBinding( event.target, eventType ) ) ) { ve = createVirtualEvent( event, eventType ); $( event.target).trigger( ve ); } return ve; } function mouseEventCallback( event ) { var touchID = $.data(event.target, touchTargetPropertyName); if ( !blockMouseTriggers && ( !lastTouchID || lastTouchID !== touchID ) ){ var ve = triggerVirtualEvent( "v" + event.type, event ); if ( ve ) { if ( ve.isDefaultPrevented() ) { event.preventDefault(); } if ( ve.isPropagationStopped() ) { event.stopPropagation(); } if ( ve.isImmediatePropagationStopped() ) { event.stopImmediatePropagation(); } } } } function handleTouchStart( event ) { var touches = getNativeEvent( event ).touches, target, flags; if ( touches && touches.length === 1 ) { 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 ], didCancel = didScroll, moveThreshold = $.vmouse.moveDistanceThreshold; didScroll = didScroll || ( Math.abs(t.pageX - startX) > moveThreshold || Math.abs(t.pageY - startY) > moveThreshold ), 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 ), t; triggerVirtualEvent( "vmouseup", event, flags ); if ( !didScroll ) { var ve = triggerVirtualEvent( "vclick", event, flags ); if ( ve && ve.isDefaultPrevented() ) { // 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. t = getNativeEvent( event ).changedTouches[ 0 ]; clickBlockList.push({ touchID: lastTouchID, x: t.clientX, y: t.clientY }); // Prevent any mouse events