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864 lines
24 KiB
864 lines
24 KiB
/*
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* jQuery Mobile v1.4.2
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* http://jquerymobile.com
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*
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* Copyright 2010, 2014 jQuery Foundation, Inc. and other contributors
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* Released under the MIT license.
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* http://jquery.org/license
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*
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*/
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(function ( root, doc, factory ) {
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if ( typeof define === "function" && define.amd ) {
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// AMD. Register as an anonymous module.
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define( [ "jquery" ], function ( $ ) {
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factory( $, root, doc );
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return $.mobile;
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});
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} else {
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// Browser globals
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factory( root.jQuery, root, doc );
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}
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}( this, document, function ( jQuery, window, document, undefined ) {
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// This plugin is an experiment for abstracting away the touch and mouse
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// events so that developers don't have to worry about which method of input
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// the device their document is loaded on supports.
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//
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// The idea here is to allow the developer to register listeners for the
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// basic mouse events, such as mousedown, mousemove, mouseup, and click,
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// and the plugin will take care of registering the correct listeners
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// behind the scenes to invoke the listener at the fastest possible time
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// for that device, while still retaining the order of event firing in
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// the traditional mouse environment, should multiple handlers be registered
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// on the same element for different events.
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//
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// The current version exposes the following virtual events to jQuery bind methods:
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// "vmouseover vmousedown vmousemove vmouseup vclick vmouseout vmousecancel"
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(function( $, window, document, undefined ) {
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var dataPropertyName = "virtualMouseBindings",
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touchTargetPropertyName = "virtualTouchID",
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virtualEventNames = "vmouseover vmousedown vmousemove vmouseup vclick vmouseout vmousecancel".split( " " ),
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touchEventProps = "clientX clientY pageX pageY screenX screenY".split( " " ),
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mouseHookProps = $.event.mouseHooks ? $.event.mouseHooks.props : [],
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mouseEventProps = $.event.props.concat( mouseHookProps ),
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activeDocHandlers = {},
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resetTimerID = 0,
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startX = 0,
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startY = 0,
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didScroll = false,
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clickBlockList = [],
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blockMouseTriggers = false,
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blockTouchTriggers = false,
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eventCaptureSupported = "addEventListener" in document,
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$document = $( document ),
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nextTouchID = 1,
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lastTouchID = 0, threshold,
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i;
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$.vmouse = {
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moveDistanceThreshold: 10,
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clickDistanceThreshold: 10,
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resetTimerDuration: 1500
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};
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function getNativeEvent( event ) {
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while ( event && typeof event.originalEvent !== "undefined" ) {
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event = event.originalEvent;
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}
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return event;
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}
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function createVirtualEvent( event, eventType ) {
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var t = event.type,
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oe, props, ne, prop, ct, touch, i, j, len;
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event = $.Event( event );
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event.type = eventType;
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oe = event.originalEvent;
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props = $.event.props;
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// addresses separation of $.event.props in to $.event.mouseHook.props and Issue 3280
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// https://github.com/jquery/jquery-mobile/issues/3280
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if ( t.search( /^(mouse|click)/ ) > -1 ) {
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props = mouseEventProps;
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}
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// copy original event properties over to the new event
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// this would happen if we could call $.event.fix instead of $.Event
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// but we don't have a way to force an event to be fixed multiple times
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if ( oe ) {
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for ( i = props.length, prop; i; ) {
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prop = props[ --i ];
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event[ prop ] = oe[ prop ];
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}
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}
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// make sure that if the mouse and click virtual events are generated
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// without a .which one is defined
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if ( t.search(/mouse(down|up)|click/) > -1 && !event.which ) {
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event.which = 1;
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}
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if ( t.search(/^touch/) !== -1 ) {
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ne = getNativeEvent( oe );
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t = ne.touches;
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ct = ne.changedTouches;
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touch = ( t && t.length ) ? t[0] : ( ( ct && ct.length ) ? ct[ 0 ] : undefined );
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if ( touch ) {
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for ( j = 0, len = touchEventProps.length; j < len; j++) {
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prop = touchEventProps[ j ];
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event[ prop ] = touch[ prop ];
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}
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}
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}
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return event;
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}
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function getVirtualBindingFlags( element ) {
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var flags = {},
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b, k;
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while ( element ) {
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b = $.data( element, dataPropertyName );
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for ( k in b ) {
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if ( b[ k ] ) {
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flags[ k ] = flags.hasVirtualBinding = true;
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}
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}
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element = element.parentNode;
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}
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return flags;
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}
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function getClosestElementWithVirtualBinding( element, eventType ) {
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var b;
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while ( element ) {
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b = $.data( element, dataPropertyName );
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if ( b && ( !eventType || b[ eventType ] ) ) {
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return element;
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}
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element = element.parentNode;
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}
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return null;
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}
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function enableTouchBindings() {
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blockTouchTriggers = false;
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}
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function disableTouchBindings() {
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blockTouchTriggers = true;
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}
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function enableMouseBindings() {
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lastTouchID = 0;
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clickBlockList.length = 0;
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blockMouseTriggers = false;
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// When mouse bindings are enabled, our
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// touch bindings are disabled.
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disableTouchBindings();
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}
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function disableMouseBindings() {
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// When mouse bindings are disabled, our
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// touch bindings are enabled.
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enableTouchBindings();
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}
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function startResetTimer() {
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clearResetTimer();
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resetTimerID = setTimeout( function() {
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resetTimerID = 0;
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enableMouseBindings();
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}, $.vmouse.resetTimerDuration );
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}
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function clearResetTimer() {
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if ( resetTimerID ) {
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clearTimeout( resetTimerID );
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resetTimerID = 0;
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}
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}
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function triggerVirtualEvent( eventType, event, flags ) {
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var ve;
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if ( ( flags && flags[ eventType ] ) ||
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( !flags && getClosestElementWithVirtualBinding( event.target, eventType ) ) ) {
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ve = createVirtualEvent( event, eventType );
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$( event.target).trigger( ve );
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}
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return ve;
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}
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function mouseEventCallback( event ) {
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var touchID = $.data( event.target, touchTargetPropertyName ),
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ve;
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if ( !blockMouseTriggers && ( !lastTouchID || lastTouchID !== touchID ) ) {
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ve = triggerVirtualEvent( "v" + event.type, event );
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if ( ve ) {
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if ( ve.isDefaultPrevented() ) {
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event.preventDefault();
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}
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if ( ve.isPropagationStopped() ) {
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event.stopPropagation();
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}
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if ( ve.isImmediatePropagationStopped() ) {
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event.stopImmediatePropagation();
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}
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}
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}
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}
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function handleTouchStart( event ) {
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var touches = getNativeEvent( event ).touches,
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target, flags, t;
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if ( touches && touches.length === 1 ) {
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target = event.target;
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flags = getVirtualBindingFlags( target );
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if ( flags.hasVirtualBinding ) {
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lastTouchID = nextTouchID++;
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$.data( target, touchTargetPropertyName, lastTouchID );
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clearResetTimer();
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disableMouseBindings();
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didScroll = false;
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t = getNativeEvent( event ).touches[ 0 ];
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startX = t.pageX;
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startY = t.pageY;
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triggerVirtualEvent( "vmouseover", event, flags );
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triggerVirtualEvent( "vmousedown", event, flags );
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}
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}
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}
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function handleScroll( event ) {
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if ( blockTouchTriggers ) {
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return;
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}
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if ( !didScroll ) {
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triggerVirtualEvent( "vmousecancel", event, getVirtualBindingFlags( event.target ) );
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}
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didScroll = true;
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startResetTimer();
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}
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function handleTouchMove( event ) {
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if ( blockTouchTriggers ) {
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return;
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}
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var t = getNativeEvent( event ).touches[ 0 ],
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didCancel = didScroll,
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moveThreshold = $.vmouse.moveDistanceThreshold,
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flags = getVirtualBindingFlags( event.target );
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didScroll = didScroll ||
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( Math.abs( t.pageX - startX ) > moveThreshold ||
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Math.abs( t.pageY - startY ) > moveThreshold );
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if ( didScroll && !didCancel ) {
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triggerVirtualEvent( "vmousecancel", event, flags );
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}
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triggerVirtualEvent( "vmousemove", event, flags );
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startResetTimer();
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}
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function handleTouchEnd( event ) {
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if ( blockTouchTriggers ) {
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return;
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}
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disableTouchBindings();
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var flags = getVirtualBindingFlags( event.target ),
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ve, t;
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triggerVirtualEvent( "vmouseup", event, flags );
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if ( !didScroll ) {
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ve = triggerVirtualEvent( "vclick", event, flags );
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if ( ve && ve.isDefaultPrevented() ) {
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// The target of the mouse events that follow the touchend
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// event don't necessarily match the target used during the
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// touch. This means we need to rely on coordinates for blocking
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// any click that is generated.
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t = getNativeEvent( event ).changedTouches[ 0 ];
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clickBlockList.push({
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touchID: lastTouchID,
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x: t.clientX,
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y: t.clientY
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});
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// Prevent any mouse events that follow from triggering
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// virtual event notifications.
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blockMouseTriggers = true;
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}
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}
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triggerVirtualEvent( "vmouseout", event, flags);
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didScroll = false;
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startResetTimer();
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}
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function hasVirtualBindings( ele ) {
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var bindings = $.data( ele, dataPropertyName ),
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k;
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if ( bindings ) {
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for ( k in bindings ) {
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if ( bindings[ k ] ) {
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return true;
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}
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}
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}
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return false;
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}
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function dummyMouseHandler() {}
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function getSpecialEventObject( eventType ) {
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var realType = eventType.substr( 1 );
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return {
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setup: function(/* data, namespace */) {
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// If this is the first virtual mouse binding for this element,
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// add a bindings object to its data.
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if ( !hasVirtualBindings( this ) ) {
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$.data( this, dataPropertyName, {} );
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}
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// If setup is called, we know it is the first binding for this
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// eventType, so initialize the count for the eventType to zero.
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var bindings = $.data( this, dataPropertyName );
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bindings[ eventType ] = true;
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// If this is the first virtual mouse event for this type,
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// register a global handler on the document.
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activeDocHandlers[ eventType ] = ( activeDocHandlers[ eventType ] || 0 ) + 1;
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if ( activeDocHandlers[ eventType ] === 1 ) {
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$document.bind( realType, mouseEventCallback );
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}
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// Some browsers, like Opera Mini, won't dispatch mouse/click events
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// for elements unless they actually have handlers registered on them.
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// To get around this, we register dummy handlers on the elements.
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$( this ).bind( realType, dummyMouseHandler );
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// For now, if event capture is not supported, we rely on mouse handlers.
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if ( eventCaptureSupported ) {
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// If this is the first virtual mouse binding for the document,
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// register our touchstart handler on the document.
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activeDocHandlers[ "touchstart" ] = ( activeDocHandlers[ "touchstart" ] || 0) + 1;
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if ( activeDocHandlers[ "touchstart" ] === 1 ) {
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$document.bind( "touchstart", handleTouchStart )
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.bind( "touchend", handleTouchEnd )
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// On touch platforms, touching the screen and then dragging your finger
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// causes the window content to scroll after some distance threshold is
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// exceeded. On these platforms, a scroll prevents a click event from being
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// dispatched, and on some platforms, even the touchend is suppressed. To
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// mimic the suppression of the click event, we need to watch for a scroll
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// event. Unfortunately, some platforms like iOS don't dispatch scroll
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// events until *AFTER* the user lifts their finger (touchend). This means
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// we need to watch both scroll and touchmove events to figure out whether
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// or not a scroll happenens before the touchend event is fired.
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.bind( "touchmove", handleTouchMove )
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.bind( "scroll", handleScroll );
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}
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}
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},
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teardown: function(/* data, namespace */) {
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// If this is the last virtual binding for this eventType,
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// remove its global handler from the document.
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--activeDocHandlers[ eventType ];
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if ( !activeDocHandlers[ eventType ] ) {
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$document.unbind( realType, mouseEventCallback );
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}
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if ( eventCaptureSupported ) {
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// If this is the last virtual mouse binding in existence,
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// remove our document touchstart listener.
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--activeDocHandlers[ "touchstart" ];
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if ( !activeDocHandlers[ "touchstart" ] ) {
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$document.unbind( "touchstart", handleTouchStart )
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.unbind( "touchmove", handleTouchMove )
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.unbind( "touchend", handleTouchEnd )
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.unbind( "scroll", handleScroll );
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}
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}
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var $this = $( this ),
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bindings = $.data( this, dataPropertyName );
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// teardown may be called when an element was
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// removed from the DOM. If this is the case,
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// jQuery core may have already stripped the element
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// of any data bindings so we need to check it before
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// using it.
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if ( bindings ) {
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bindings[ eventType ] = false;
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}
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// Unregister the dummy event handler.
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$this.unbind( realType, dummyMouseHandler );
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// If this is the last virtual mouse binding on the
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// element, remove the binding data from the element.
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if ( !hasVirtualBindings( this ) ) {
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$this.removeData( dataPropertyName );
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}
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}
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};
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}
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// Expose our custom events to the jQuery bind/unbind mechanism.
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for ( i = 0; i < virtualEventNames.length; i++ ) {
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$.event.special[ virtualEventNames[ i ] ] = getSpecialEventObject( virtualEventNames[ i ] );
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}
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// Add a capture click handler to block clicks.
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// Note that we require event capture support for this so if the device
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// doesn't support it, we punt for now and rely solely on mouse events.
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if ( eventCaptureSupported ) {
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document.addEventListener( "click", function( e ) {
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var cnt = clickBlockList.length,
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target = e.target,
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x, y, ele, i, o, touchID;
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if ( cnt ) {
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x = e.clientX;
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y = e.clientY;
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threshold = $.vmouse.clickDistanceThreshold;
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// The idea here is to run through the clickBlockList to see if
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// the current click event is in the proximity of one of our
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// vclick events that had preventDefault() called on it. If we find
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// one, then we block the click.
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//
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// Why do we have to rely on proximity?
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//
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// Because the target of the touch event that triggered the vclick
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// can be different from the target of the click event synthesized
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// by the browser. The target of a mouse/click event that is synthesized
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// from a touch event seems to be implementation specific. For example,
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// some browsers will fire mouse/click events for a link that is near
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// a touch event, even though the target of the touchstart/touchend event
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// says the user touched outside the link. Also, it seems that with most
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// browsers, the target of the mouse/click event is not calculated until the
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// time it is dispatched, so if you replace an element that you touched
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// with another element, the target of the mouse/click will be the new
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// element underneath that point.
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//
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// Aside from proximity, we also check to see if the target and any
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// of its ancestors were the ones that blocked a click. This is necessary
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// because of the strange mouse/click target calculation done in the
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// Android 2.1 browser, where if you click on an element, and there is a
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// mouse/click handler on one of its ancestors, the target will be the
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// innermost child of the touched element, even if that child is no where
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// near the point of touch.
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ele = target;
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while ( ele ) {
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for ( i = 0; i < cnt; i++ ) {
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o = clickBlockList[ i ];
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touchID = 0;
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if ( ( ele === target && Math.abs( o.x - x ) < threshold && Math.abs( o.y - y ) < threshold ) ||
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$.data( ele, touchTargetPropertyName ) === o.touchID ) {
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// XXX: We may want to consider removing matches from the block list
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// instead of waiting for the reset timer to fire.
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e.preventDefault();
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e.stopPropagation();
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return;
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}
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}
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ele = ele.parentNode;
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}
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}
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}, true);
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}
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})( jQuery, window, document );
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(function( $ ) {
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$.mobile = {};
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}( jQuery ));
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(function( $, undefined ) {
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var support = {
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touch: "ontouchend" in document
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};
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$.mobile.support = $.mobile.support || {};
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$.extend( $.support, support );
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$.extend( $.mobile.support, support );
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}( jQuery ));
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(function( $, window, undefined ) {
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var $document = $( document ),
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supportTouch = $.mobile.support.touch,
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scrollEvent = "touchmove scroll",
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touchStartEvent = supportTouch ? "touchstart" : "mousedown",
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touchStopEvent = supportTouch ? "touchend" : "mouseup",
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touchMoveEvent = supportTouch ? "touchmove" : "mousemove";
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// setup new event shortcuts
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$.each( ( "touchstart touchmove touchend " +
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"tap taphold " +
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"swipe swipeleft swiperight " +
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"scrollstart scrollstop" ).split( " " ), function( i, name ) {
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$.fn[ name ] = function( fn ) {
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return fn ? this.bind( name, fn ) : this.trigger( name );
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};
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// jQuery < 1.8
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if ( $.attrFn ) {
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$.attrFn[ name ] = true;
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}
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});
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function triggerCustomEvent( obj, eventType, event, bubble ) {
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var originalType = event.type;
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event.type = eventType;
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if ( bubble ) {
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$.event.trigger( event, undefined, obj );
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} else {
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$.event.dispatch.call( obj, event );
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}
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event.type = originalType;
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}
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// also handles scrollstop
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$.event.special.scrollstart = {
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enabled: true,
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setup: function() {
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var thisObject = this,
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$this = $( thisObject ),
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scrolling,
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timer;
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function trigger( event, state ) {
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scrolling = state;
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triggerCustomEvent( thisObject, scrolling ? "scrollstart" : "scrollstop", event );
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}
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// iPhone triggers scroll after a small delay; use touchmove instead
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$this.bind( scrollEvent, function( event ) {
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if ( !$.event.special.scrollstart.enabled ) {
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return;
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}
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if ( !scrolling ) {
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trigger( event, true );
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}
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clearTimeout( timer );
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timer = setTimeout( function() {
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trigger( event, false );
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}, 50 );
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});
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},
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teardown: function() {
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$( this ).unbind( scrollEvent );
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}
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};
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// also handles taphold
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$.event.special.tap = {
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tapholdThreshold: 750,
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emitTapOnTaphold: true,
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setup: function() {
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var thisObject = this,
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$this = $( thisObject ),
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isTaphold = false;
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$this.bind( "vmousedown", function( event ) {
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isTaphold = false;
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if ( event.which && event.which !== 1 ) {
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return false;
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}
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var origTarget = event.target,
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timer;
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function clearTapTimer() {
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clearTimeout( timer );
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}
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function clearTapHandlers() {
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clearTapTimer();
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$this.unbind( "vclick", clickHandler )
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.unbind( "vmouseup", clearTapTimer );
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$document.unbind( "vmousecancel", clearTapHandlers );
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}
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function clickHandler( event ) {
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clearTapHandlers();
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// ONLY trigger a 'tap' event if the start target is
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// the same as the stop target.
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if ( !isTaphold && origTarget === event.target ) {
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triggerCustomEvent( thisObject, "tap", event );
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} else if ( isTaphold ) {
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event.stopPropagation();
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}
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}
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$this.bind( "vmouseup", clearTapTimer )
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.bind( "vclick", clickHandler );
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$document.bind( "vmousecancel", clearTapHandlers );
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timer = setTimeout( function() {
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if ( !$.event.special.tap.emitTapOnTaphold ) {
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isTaphold = true;
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}
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triggerCustomEvent( thisObject, "taphold", $.Event( "taphold", { target: origTarget } ) );
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}, $.event.special.tap.tapholdThreshold );
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});
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},
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teardown: function() {
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$( this ).unbind( "vmousedown" ).unbind( "vclick" ).unbind( "vmouseup" );
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$document.unbind( "vmousecancel" );
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}
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};
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// Also handles swipeleft, swiperight
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$.event.special.swipe = {
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// More than this horizontal displacement, and we will suppress scrolling.
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scrollSupressionThreshold: 30,
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// More time than this, and it isn't a swipe.
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durationThreshold: 1000,
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// Swipe horizontal displacement must be more than this.
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horizontalDistanceThreshold: 30,
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// Swipe vertical displacement must be less than this.
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verticalDistanceThreshold: 30,
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getLocation: function ( event ) {
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var winPageX = window.pageXOffset,
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winPageY = window.pageYOffset,
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x = event.clientX,
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y = event.clientY;
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if ( event.pageY === 0 && Math.floor( y ) > Math.floor( event.pageY ) ||
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event.pageX === 0 && Math.floor( x ) > Math.floor( event.pageX ) ) {
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// iOS4 clientX/clientY have the value that should have been
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// in pageX/pageY. While pageX/page/ have the value 0
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x = x - winPageX;
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y = y - winPageY;
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} else if ( y < ( event.pageY - winPageY) || x < ( event.pageX - winPageX ) ) {
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// Some Android browsers have totally bogus values for clientX/Y
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// when scrolling/zooming a page. Detectable since clientX/clientY
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|
// should never be smaller than pageX/pageY minus page scroll
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x = event.pageX - winPageX;
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y = event.pageY - winPageY;
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}
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return {
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x: x,
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y: y
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};
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},
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start: function( event ) {
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var data = event.originalEvent.touches ?
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event.originalEvent.touches[ 0 ] : event,
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location = $.event.special.swipe.getLocation( data );
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return {
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time: ( new Date() ).getTime(),
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coords: [ location.x, location.y ],
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origin: $( event.target )
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|
};
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|
},
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|
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stop: function( event ) {
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|
var data = event.originalEvent.touches ?
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|
event.originalEvent.touches[ 0 ] : event,
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location = $.event.special.swipe.getLocation( data );
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return {
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time: ( new Date() ).getTime(),
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coords: [ location.x, location.y ]
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};
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},
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handleSwipe: function( start, stop, thisObject, origTarget ) {
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if ( stop.time - start.time < $.event.special.swipe.durationThreshold &&
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Math.abs( start.coords[ 0 ] - stop.coords[ 0 ] ) > $.event.special.swipe.horizontalDistanceThreshold &&
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Math.abs( start.coords[ 1 ] - stop.coords[ 1 ] ) < $.event.special.swipe.verticalDistanceThreshold ) {
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var direction = start.coords[0] > stop.coords[ 0 ] ? "swipeleft" : "swiperight";
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triggerCustomEvent( thisObject, "swipe", $.Event( "swipe", { target: origTarget, swipestart: start, swipestop: stop }), true );
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triggerCustomEvent( thisObject, direction,$.Event( direction, { target: origTarget, swipestart: start, swipestop: stop } ), true );
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return true;
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|
}
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|
return false;
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},
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|
// This serves as a flag to ensure that at most one swipe event event is
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|
// in work at any given time
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|
eventInProgress: false,
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setup: function() {
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|
var events,
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|
thisObject = this,
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|
$this = $( thisObject ),
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context = {};
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// Retrieve the events data for this element and add the swipe context
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|
events = $.data( this, "mobile-events" );
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if ( !events ) {
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events = { length: 0 };
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$.data( this, "mobile-events", events );
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}
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events.length++;
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events.swipe = context;
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context.start = function( event ) {
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// Bail if we're already working on a swipe event
|
|
if ( $.event.special.swipe.eventInProgress ) {
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|
return;
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|
}
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|
$.event.special.swipe.eventInProgress = true;
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|
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|
var stop,
|
|
start = $.event.special.swipe.start( event ),
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|
origTarget = event.target,
|
|
emitted = false;
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|
|
context.move = function( event ) {
|
|
if ( !start ) {
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|
return;
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|
}
|
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stop = $.event.special.swipe.stop( event );
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|
if ( !emitted ) {
|
|
emitted = $.event.special.swipe.handleSwipe( start, stop, thisObject, origTarget );
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|
if ( emitted ) {
|
|
|
|
// Reset the context to make way for the next swipe event
|
|
$.event.special.swipe.eventInProgress = false;
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|
}
|
|
}
|
|
// prevent scrolling
|
|
if ( Math.abs( start.coords[ 0 ] - stop.coords[ 0 ] ) > $.event.special.swipe.scrollSupressionThreshold ) {
|
|
event.preventDefault();
|
|
}
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|
};
|
|
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|
context.stop = function() {
|
|
emitted = true;
|
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|
|
// Reset the context to make way for the next swipe event
|
|
$.event.special.swipe.eventInProgress = false;
|
|
$document.off( touchMoveEvent, context.move );
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|
context.move = null;
|
|
};
|
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|
|
$document.on( touchMoveEvent, context.move )
|
|
.one( touchStopEvent, context.stop );
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|
};
|
|
$this.on( touchStartEvent, context.start );
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|
},
|
|
|
|
teardown: function() {
|
|
var events, context;
|
|
|
|
events = $.data( this, "mobile-events" );
|
|
if ( events ) {
|
|
context = events.swipe;
|
|
delete events.swipe;
|
|
events.length--;
|
|
if ( events.length === 0 ) {
|
|
$.removeData( this, "mobile-events" );
|
|
}
|
|
}
|
|
|
|
if ( context ) {
|
|
if ( context.start ) {
|
|
$( this ).off( touchStartEvent, context.start );
|
|
}
|
|
if ( context.move ) {
|
|
$document.off( touchMoveEvent, context.move );
|
|
}
|
|
if ( context.stop ) {
|
|
$document.off( touchStopEvent, context.stop );
|
|
}
|
|
}
|
|
}
|
|
};
|
|
$.each({
|
|
scrollstop: "scrollstart",
|
|
taphold: "tap",
|
|
swipeleft: "swipe",
|
|
swiperight: "swipe"
|
|
}, function( event, sourceEvent ) {
|
|
|
|
$.event.special[ event ] = {
|
|
setup: function() {
|
|
$( this ).bind( sourceEvent, $.noop );
|
|
},
|
|
teardown: function() {
|
|
$( this ).unbind( sourceEvent );
|
|
}
|
|
};
|
|
});
|
|
|
|
})( jQuery, this );
|
|
|
|
}));
|
|
|