From e83bc970f2dc11fc0fd545cb0ec756a0eab64eda Mon Sep 17 00:00:00 2001 From: Greg Lavallee Date: Tue, 16 Oct 2012 14:36:47 -0400 Subject: [PATCH] Fixes #12736. Move hover event hack to deprecated.js for removal in 1.9. Closes gh-982. Signed-off-by: Timmy Willison --- src/deprecated.js | 61 ++++++++++++++++++++++++++++++----------- src/event.js | 10 ++----- test/unit/deprecated.js | 29 ++++++++++++++++++++ test/unit/event.js | 28 ++----------------- 4 files changed, 79 insertions(+), 49 deletions(-) diff --git a/src/deprecated.js b/src/deprecated.js index 4ea47b333..3c2763ddc 100644 --- a/src/deprecated.js +++ b/src/deprecated.js @@ -1,7 +1,12 @@ // Limit scope pollution from any deprecated API (function() { -var matched, browser; +var matched, browser, eventAdd, eventRemove, + oldToggle = jQuery.fn.toggle, + rhoverHack = /(?:^|\s)hover(\.\S+|)\b/, + hoverHack = function( events ) { + return jQuery.event.special.hover ? events : events.replace( rhoverHack, "mouseenter$1 mouseleave$1" ); + }; // Use of jQuery.browser is frowned upon. // More details: http://api.jquery.com/jQuery.browser @@ -60,10 +65,6 @@ jQuery.sub = function() { return jQuerySub; }; -// Unused in 1.8, left in so attrFn-stabbers won't die; remove in 1.9 -jQuery.attrFn = {}; - -var oldToggle = jQuery.fn.toggle; jQuery.fn.toggle = function( fn, fn2 ) { if ( !jQuery.isFunction( fn ) || !jQuery.isFunction( fn2 ) ) { @@ -72,19 +73,19 @@ jQuery.fn.toggle = function( fn, fn2 ) { // Save reference to arguments for access in closure var args = arguments, - guid = fn.guid || jQuery.guid++, - i = 0, - toggler = function( event ) { - // Figure out which function to execute - var lastToggle = ( jQuery._data( this, "lastToggle" + fn.guid ) || 0 ) % i; - jQuery._data( this, "lastToggle" + fn.guid, lastToggle + 1 ); + guid = fn.guid || jQuery.guid++, + i = 0, + toggler = function( event ) { + // Figure out which function to execute + var lastToggle = ( jQuery._data( this, "lastToggle" + fn.guid ) || 0 ) % i; + jQuery._data( this, "lastToggle" + fn.guid, lastToggle + 1 ); - // Make sure that clicks stop - event.preventDefault(); + // Make sure that clicks stop + event.preventDefault(); - // and execute the function - return args[ lastToggle ].apply( this, arguments ) || false; - }; + // and execute the function + return args[ lastToggle ].apply( this, arguments ) || false; + }; // link all the functions, so any of them can unbind this click handler toggler.guid = guid; @@ -95,4 +96,32 @@ jQuery.fn.toggle = function( fn, fn2 ) { return this.click( toggler ); }; + +// Support for 'hover' type +eventAdd = jQuery.event.add; + +// Duck punch jQuery.event.add, and jquery.event.remove +// Signatures: +// jQuery.event = { +// add: function( elem, types, handler, data, selector ) { +// remove: function( elem, types, handler, selector, mappedTypes ) { +jQuery.event.add = function( elem, types, handler, data, selector ){ + if ( types ) { + types = hoverHack( types ); + } + eventAdd.call( this, elem, types, handler, data, selector ); +}; + +eventRemove = jQuery.event.remove; + +jQuery.event.remove = function( elem, types, handler, selector, mappedTypes ){ + if ( types ) { + types = hoverHack( types ); + } + eventRemove.call( this, elem, types, handler, selector, mappedTypes ); +}; + +// Unused in 1.8, left in so attrFn-stabbers won't die; remove in 1.9 +jQuery.attrFn = {}; + })(); diff --git a/src/event.js b/src/event.js index 3fea1a1be..f68a09c54 100644 --- a/src/event.js +++ b/src/event.js @@ -1,12 +1,8 @@ var rformElems = /^(?:textarea|input|select)$/i, rtypenamespace = /^([^\.]*|)(?:\.(.+)|)$/, - rhoverHack = /(?:^|\s)hover(\.\S+|)\b/, rkeyEvent = /^key/, rmouseEvent = /^(?:mouse|contextmenu)|click/, - rfocusMorph = /^(?:focusinfocus|focusoutblur)$/, - hoverHack = function( events ) { - return jQuery.event.special.hover ? events : events.replace( rhoverHack, "mouseenter$1 mouseleave$1" ); - }; + rfocusMorph = /^(?:focusinfocus|focusoutblur)$/; /* * Helper functions for managing events -- not part of the public interface. @@ -56,7 +52,7 @@ jQuery.event = { // Handle multiple events separated by a space // jQuery(...).bind("mouseover mouseout", fn); - types = jQuery.trim( hoverHack(types) ).split( " " ); + types = jQuery.trim( types ).split( " " ); for ( t = 0; t < types.length; t++ ) { tns = rtypenamespace.exec( types[t] ) || []; @@ -139,7 +135,7 @@ jQuery.event = { } // Once for each type.namespace in types; type may be omitted - types = jQuery.trim( hoverHack( types || "" ) ).split(" "); + types = jQuery.trim( types ).split(" "); for ( t = 0; t < types.length; t++ ) { tns = rtypenamespace.exec( types[t] ) || []; type = origType = tns[1]; diff --git a/test/unit/deprecated.js b/test/unit/deprecated.js index f5787e518..3bce98d57 100644 --- a/test/unit/deprecated.js +++ b/test/unit/deprecated.js @@ -107,4 +107,33 @@ if ( jQuery.browser ) { ok(!!jQuery.attrFn, "attrFnPresent"); }); + test("hover pseudo-event", function() { + expect(2); + + var balance = 0; + jQuery( "#firstp" ) + .on( "hovercraft", function() { + ok( false, "hovercraft is full of ills" ); + }) + .on( "click.hover.me.not", function( e ) { + equal( e.handleObj.namespace, "hover.me.not", "hover hack doesn't mangle namespaces" ); + }) + .bind("hover", function( e ) { + if ( e.type === "mouseenter" ) { + balance++; + } else if ( e.type === "mouseleave" ) { + balance--; + } else { + ok( false, "hover pseudo: unknown event type "+e.type ); + } + }) + .trigger("click") + .trigger("mouseenter") + .trigger("mouseleave") + .unbind("hover") + .trigger("mouseenter"); + + equal( balance, 0, "hover pseudo-event" ); + }); + } diff --git a/test/unit/event.js b/test/unit/event.js index e626ede1d..d6c24436a 100644 --- a/test/unit/event.js +++ b/test/unit/event.js @@ -798,8 +798,8 @@ test("unbind(eventObject)", function() { assert( 0 ); }); -test("hover() and hover pseudo-event", function() { - expect(3); +test("hover() mouseenter mouseleave", function() { + expect(1); var times = 0, handler1 = function( event ) { ++times; }, @@ -817,30 +817,6 @@ test("hover() and hover pseudo-event", function() { equal( times, 4, "hover handlers fired" ); - var balance = 0; - jQuery( "#firstp" ) - .on( "hovercraft", function() { - ok( false, "hovercraft is full of ills" ); - }) - .on( "click.hover.me.not", function( e ) { - equal( e.handleObj.namespace, "hover.me.not", "hover hack doesn't mangle namespaces" ); - }) - .bind("hover", function( e ) { - if ( e.type === "mouseenter" ) { - balance++; - } else if ( e.type === "mouseleave" ) { - balance--; - } else { - ok( false, "hover pseudo: unknown event type "+e.type ); - } - }) - .trigger("click") - .trigger("mouseenter") - .trigger("mouseleave") - .unbind("hover") - .trigger("mouseenter"); - - equal( balance, 0, "hover pseudo-event" ); }); test("mouseover triggers mouseenter", function() { -- 2.39.5