56 lines
1.5 KiB
JavaScript
56 lines
1.5 KiB
JavaScript
define( [
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"../core",
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"../data/var/dataPriv",
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"./support",
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"../event",
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"./trigger"
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], function( jQuery, dataPriv, support ) {
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"use strict";
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// Support: Firefox <=44
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// Firefox doesn't have focus(in | out) events
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// Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
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//
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// Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
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// focus(in | out) events fire after focus & blur events,
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// which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
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// Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857
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if ( !support.focusin ) {
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jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
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// Attach a single capturing handler on the document while someone wants focusin/focusout
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var handler = function( event ) {
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jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );
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};
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jQuery.event.special[ fix ] = {
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setup: function() {
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var doc = this.ownerDocument || this,
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attaches = dataPriv.access( doc, fix );
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if ( !attaches ) {
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doc.addEventListener( orig, handler, true );
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}
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dataPriv.access( doc, fix, ( attaches || 0 ) + 1 );
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},
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teardown: function() {
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var doc = this.ownerDocument || this,
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attaches = dataPriv.access( doc, fix ) - 1;
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if ( !attaches ) {
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doc.removeEventListener( orig, handler, true );
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dataPriv.remove( doc, fix );
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} else {
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dataPriv.access( doc, fix, attaches );
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}
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}
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};
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} );
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}
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return jQuery;
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} );
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