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Fixes #12736. Move hover event hack to deprecated.js for removal in 1.9. Closes gh-982.

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Signed-off-by: Timmy Willison <timmywillisn@gmail.com>
This commit is contained in:
Greg Lavallee 2012-10-16 14:36:47 -04:00 committed by Timmy Willison
parent fd5facf1d1
commit e83bc970f2
4 changed files with 79 additions and 49 deletions
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61
src/deprecated.js
View File

@ -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 = {};
})();

10
src/event.js
View File

@ -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];

29
test/unit/deprecated.js
View File

@ -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" );
});
}

28
test/unit/event.js
View File

@ -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() {