Rewrote the live event handling to use the new event logic. Also added in support for live namespaced events. Fixes #5945.
This commit is contained in:
jeresig
parent
104757705a
commit
be2407e233
147
src/event.js
147
src/event.js
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@ -1,8 +1,9 @@
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var fcleanup = function( nm ) {
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return nm.replace(/[^\w\s\.\|`]/g, function( ch ) {
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return "\\" + ch;
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});
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};
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var rnamespaces = /\.(.*)$/,
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fcleanup = function( nm ) {
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return nm.replace(/[^\w\s\.\|`]/g, function( ch ) {
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return "\\" + ch;
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});
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};
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/*
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* A number of helper functions used for managing events.
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@ -24,6 +25,13 @@ jQuery.event = {
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elem = window;
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}
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var handleObjIn, handleObj;
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if ( handler.handler ) {
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handleObjIn = handler;
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handler = handleObjIn.handler;
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}
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// Make sure that the function being executed has a unique ID
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if ( !handler.guid ) {
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handler.guid = jQuery.guid++;
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@ -62,12 +70,9 @@ jQuery.event = {
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var type, i = 0, namespaces;
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while ( (type = types[ i++ ]) ) {
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var handleObj = {
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handler: handler,
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data: data,
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namespace: "",
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guid: handler.guid
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};
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handleObj = handleObjIn ?
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jQuery.extend({}, handleObjIn) :
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{ handler: handler, data: data };
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// Namespaced event handlers
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if ( type.indexOf(".") > -1 ) {
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@ -77,9 +82,11 @@ jQuery.event = {
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} else {
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namespaces = [];
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handleObj.namespace = "";
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}
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handleObj.type = type;
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handleObj.guid = handler.guid;
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// Get the current list of functions bound to this event
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var handlers = events[ type ],
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@ -92,7 +99,7 @@ jQuery.event = {
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// Check for a special event handler
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// Only use addEventListener/attachEvent if the special
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// events handler returns false
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if ( !special.setup || special.setup.call( elem, data, namespaces, handler ) === false ) {
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if ( !special.setup || special.setup.call( elem, data, namespaces ) === false ) {
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// Bind the global event handler to the element
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if ( elem.addEventListener ) {
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elem.addEventListener( type, eventHandle, false );
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@ -198,14 +205,12 @@ jQuery.event = {
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if ( handler.guid === handleObj.guid ) {
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// remove the given handler for the given type
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if ( all || namespace.test( handleObj.namespace ) ) {
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fn = handleObj.handler;
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if ( pos == null ) {
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eventType.splice( j--, 1 );
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}
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if ( special.remove ) {
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special.remove.call( elem, namespaces, handleObj );
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special.remove.call( elem, handleObj );
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}
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}
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@ -380,6 +385,7 @@ jQuery.event = {
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// So that we can later remove it
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event.handler = handleObj.handler;
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event.data = handleObj.data;
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event.handleObj = handleObj;
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var ret = handleObj.handler.apply( this, arguments );
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@ -473,33 +479,28 @@ jQuery.event = {
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},
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live: {
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add: function( proxy, data, namespaces, live ) {
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jQuery.extend( proxy, data || {} );
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proxy.guid += data.selector + data.live;
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data.liveProxy = proxy;
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jQuery.event.add( this, data.live, liveHandler, data );
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add: function( handleObj ) {
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jQuery.event.add( this, handleObj.origType, jQuery.extend({}, handleObj, {handler: liveHandler}) );
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},
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remove: function( namespaces ) {
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if ( namespaces.length ) {
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var remove = 0, name = new RegExp("(^|\\.)" + namespaces[0] + "(\\.|$)");
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remove: function( handleObj ) {
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var remove = true,
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type = handleObj.origType.replace(rnamespaces, "");
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jQuery.each( (jQuery.data(this, "events").live || {}), function() {
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if ( name.test(this.type) ) {
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remove++;
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}
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});
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if ( remove < 1 ) {
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jQuery.event.remove( this, namespaces[0], liveHandler );
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jQuery.each( jQuery.data(this, "events").live || [], function() {
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if ( type === this.origType.replace(rnamespaces, "") ) {
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remove = false;
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return false;
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}
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});
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if ( remove ) {
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jQuery.event.remove( this, handleObj.origType, liveHandler );
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}
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},
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special: {}
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}
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},
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beforeunload: {
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setup: function( data, namespaces, fn ) {
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// We only want to do this special case on windows
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@ -918,7 +919,7 @@ jQuery.fn.extend({
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jQuery.each(["live", "die"], function( i, name ) {
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jQuery.fn[ name ] = function( types, data, fn, origSelector /* Internal Use Only */ ) {
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var type, i = 0,
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var type, i = 0, match, namespaces,
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selector = origSelector || this.selector,
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context = origSelector ? this : jQuery( this.context );
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@ -927,23 +928,34 @@ jQuery.each(["live", "die"], function( i, name ) {
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data = undefined;
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}
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types = (types || "").split( /\s+/ );
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types = (types || "").split(" ");
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while ( (type = types[ i++ ]) != null ) {
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match = rnamespaces.exec( type );
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namespaces = "";
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if ( match ) {
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namespaces = match[0];
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type = type.replace( rnamespaces, "" );
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}
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type = type === "focus" ? "focusin" : // focus --> focusin
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type === "blur" ? "focusout" : // blur --> focusout
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type === "hover" ? types.push("mouseleave") && "mouseenter" : // hover support
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type === "hover" ? types.push("mouseleave" + namespaces) && "mouseenter" : // hover support
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type;
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type += namespaces;
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if ( name === "live" ) {
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// bind live handler
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context.bind( liveConvert( type, selector ), {
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data: data, selector: selector, live: type
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}, fn );
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context.each(function(){
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jQuery.event.add( this, liveConvert( type, selector ),
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{ data: data, selector: selector, handler: fn, origType: type, origHandler: fn } );
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});
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} else {
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// unbind live handler
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context.unbind( liveConvert( type, selector ), fn ? { guid: fn.guid + selector + type } : null );
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context.unbind( liveConvert( type, selector ), fn );
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}
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}
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@ -953,45 +965,46 @@ jQuery.each(["live", "die"], function( i, name ) {
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function liveHandler( event ) {
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var stop, elems = [], selectors = [], args = arguments,
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related, match, fn, elem, j, i, l, data,
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live = jQuery.extend({}, jQuery.data( this, "events" ).live);
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related, match, handleObj, elem, j, i, l, data,
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events = jQuery.data( this, "events" );
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// Make sure we avoid non-left-click bubbling in Firefox (#3861)
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if ( event.button && event.type === "click" ) {
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if ( event.liveFired === this || !events || event.button && event.type === "click" ) {
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return;
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}
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for ( j in live ) {
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fn = live[j];
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if ( fn.live === event.type ||
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fn.altLive && jQuery.inArray(event.type, fn.altLive) > -1 ) {
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event.liveFired = this;
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var live = events.live.slice(0);
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for ( j = 0; j < live.length; j++ ) {
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handleObj = live[j];
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if ( handleObj.origType.replace( rnamespaces, "" ) === event.type ) {
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selectors.push( handleObj.selector );
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data = fn.data;
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if ( !(data.beforeFilter && data.beforeFilter[event.type] &&
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!data.beforeFilter[event.type](event)) ) {
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selectors.push( fn.selector );
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}
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} else {
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delete live[j];
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live.splice( j--, 1 );
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}
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}
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match = jQuery( event.target ).closest( selectors, event.currentTarget );
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for ( i = 0, l = match.length; i < l; i++ ) {
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for ( j in live ) {
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fn = live[j];
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elem = match[i].elem;
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related = null;
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for ( j = 0; j < live.length; j++ ) {
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handleObj = live[j];
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if ( match[i].selector === handleObj.selector ) {
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elem = match[i].elem;
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related = null;
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if ( match[i].selector === fn.selector ) {
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// Those two events require additional checking
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if ( fn.live === "mouseenter" || fn.live === "mouseleave" ) {
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related = jQuery( event.relatedTarget ).closest( fn.selector )[0];
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if ( handleObj.origType === "mouseenter" || handleObj.origType === "mouseleave" ) {
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related = jQuery( event.relatedTarget ).closest( handleObj.selector )[0];
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}
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if ( !related || related !== elem ) {
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elems.push({ elem: elem, fn: fn });
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elems.push({ elem: elem, handleObj: handleObj });
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}
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}
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}
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@ -1000,8 +1013,10 @@ function liveHandler( event ) {
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for ( i = 0, l = elems.length; i < l; i++ ) {
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match = elems[i];
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event.currentTarget = match.elem;
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event.data = match.fn.data;
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if ( match.fn.apply( match.elem, args ) === false ) {
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event.data = match.handleObj.data;
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event.handleObj = match.handleObj;
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if ( match.handleObj.origHandler.apply( match.elem, args ) === false ) {
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stop = false;
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break;
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}
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@ -772,6 +772,7 @@ test(".live()/.die()", function() {
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equals( liveb, 0, "Click on body" );
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// This should trigger two events
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submit = 0, div = 0, livea = 0, liveb = 0;
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jQuery("div#nothiddendiv").trigger("click");
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equals( submit, 0, "Click on div" );
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equals( div, 1, "Click on div" );
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@ -779,55 +780,62 @@ test(".live()/.die()", function() {
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equals( liveb, 0, "Click on div" );
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// This should trigger three events (w/ bubbling)
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submit = 0, div = 0, livea = 0, liveb = 0;
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jQuery("div#nothiddendivchild").trigger("click");
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equals( submit, 0, "Click on inner div" );
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equals( div, 2, "Click on inner div" );
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equals( livea, 2, "Click on inner div" );
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equals( div, 1, "Click on inner div" );
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equals( livea, 1, "Click on inner div" );
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equals( liveb, 1, "Click on inner div" );
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// This should trigger one submit
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submit = 0, div = 0, livea = 0, liveb = 0;
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jQuery("div#nothiddendivchild").trigger("submit");
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equals( submit, 1, "Submit on div" );
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equals( div, 2, "Submit on div" );
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equals( livea, 2, "Submit on div" );
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equals( liveb, 1, "Submit on div" );
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equals( div, 0, "Submit on div" );
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equals( livea, 0, "Submit on div" );
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equals( liveb, 0, "Submit on div" );
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// Make sure no other events were removed in the process
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submit = 0, div = 0, livea = 0, liveb = 0;
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jQuery("div#nothiddendivchild").trigger("click");
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equals( submit, 1, "die Click on inner div" );
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equals( div, 3, "die Click on inner div" );
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equals( livea, 3, "die Click on inner div" );
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equals( liveb, 2, "die Click on inner div" );
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equals( submit, 0, "die Click on inner div" );
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equals( div, 1, "die Click on inner div" );
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equals( livea, 1, "die Click on inner div" );
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equals( liveb, 1, "die Click on inner div" );
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// Now make sure that the removal works
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submit = 0, div = 0, livea = 0, liveb = 0;
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jQuery("div#nothiddendivchild").die("click");
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jQuery("div#nothiddendivchild").trigger("click");
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equals( submit, 1, "die Click on inner div" );
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equals( div, 4, "die Click on inner div" );
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equals( livea, 4, "die Click on inner div" );
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equals( liveb, 2, "die Click on inner div" );
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equals( submit, 0, "die Click on inner div" );
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equals( div, 1, "die Click on inner div" );
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equals( livea, 1, "die Click on inner div" );
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equals( liveb, 0, "die Click on inner div" );
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// Make sure that the click wasn't removed too early
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submit = 0, div = 0, livea = 0, liveb = 0;
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jQuery("div#nothiddendiv").trigger("click");
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equals( submit, 1, "die Click on inner div" );
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equals( div, 5, "die Click on inner div" );
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equals( livea, 5, "die Click on inner div" );
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equals( liveb, 2, "die Click on inner div" );
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equals( submit, 0, "die Click on inner div" );
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equals( div, 1, "die Click on inner div" );
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equals( livea, 1, "die Click on inner div" );
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equals( liveb, 0, "die Click on inner div" );
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// Make sure that stopPropgation doesn't stop live events
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submit = 0, div = 0, livea = 0, liveb = 0;
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jQuery("div#nothiddendivchild").live("click", function(e){ liveb++; e.stopPropagation(); });
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jQuery("div#nothiddendivchild").trigger("click");
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equals( submit, 1, "stopPropagation Click on inner div" );
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equals( div, 6, "stopPropagation Click on inner div" );
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equals( livea, 6, "stopPropagation Click on inner div" );
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equals( liveb, 3, "stopPropagation Click on inner div" );
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equals( submit, 0, "stopPropagation Click on inner div" );
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equals( div, 1, "stopPropagation Click on inner div" );
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equals( livea, 1, "stopPropagation Click on inner div" );
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equals( liveb, 1, "stopPropagation Click on inner div" );
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// Make sure click events only fire with primary click
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submit = 0, div = 0, livea = 0, liveb = 0;
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var event = jQuery.Event("click");
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event.button = 1;
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jQuery("div#nothiddendiv").trigger(event);
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equals( livea, 6, "live secondary click" );
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equals( livea, 0, "live secondary click" );
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jQuery("div#nothiddendivchild").die("click");
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jQuery("div#nothiddendiv").die("click");
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@ -1043,6 +1051,44 @@ test("live with multiple events", function(){
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equals( count, 2, "Make sure both the click and submit were triggered." );
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});
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test("live with namespaces", function(){
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expect(6);
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var count1 = 0, count2 = 0;
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jQuery("#liveSpan1").live("foo.bar", function(){
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count1++;
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});
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jQuery("#liveSpan2").live("foo.zed", function(){
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count2++;
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});
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jQuery("#liveSpan1").trigger("foo.bar");
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equals( count1, 1, "Got live foo.bar" );
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jQuery("#liveSpan2").trigger("foo.zed");
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equals( count2, 1, "Got live foo.zed" );
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//remove one
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jQuery("#liveSpan2").die("foo.zed");
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jQuery("#liveSpan1").trigger("foo.bar");
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equals( count1, 2, "Got live foo.bar after dieing foo.zed" );
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jQuery("#liveSpan2").trigger("foo.zed");
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equals( count2, 1, "Got live foo.zed" );
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//remove the other
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jQuery("#liveSpan1").die("foo.bar");
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jQuery("#liveSpan1").trigger("foo.bar");
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equals( count1, 2, "Did not respond to foo.bar after dieing it" );
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jQuery("#liveSpan2").trigger("foo.zed");
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equals( count2, 1, "Did not trigger foo.zed again" );
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});
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test("live with change", function(){
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var selectChange = 0, checkboxChange = 0;
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