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1 define( [
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2 "../core",
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3 "../data/var/dataPriv",
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4 "./support",
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5
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6 "../event",
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7 "./trigger"
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8 ], function( jQuery, dataPriv, support ) {
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9
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10 "use strict";
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11
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12 // Support: Firefox <=44
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13 // Firefox doesn't have focus(in | out) events
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14 // Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
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15 //
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16 // Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
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17 // focus(in | out) events fire after focus & blur events,
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18 // which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
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19 // Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857
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20 if ( !support.focusin ) {
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21 jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
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22
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23 // Attach a single capturing handler on the document while someone wants focusin/focusout
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24 var handler = function( event ) {
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25 jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );
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26 };
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27
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28 jQuery.event.special[ fix ] = {
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29 setup: function() {
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30 var doc = this.ownerDocument || this,
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31 attaches = dataPriv.access( doc, fix );
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32
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33 if ( !attaches ) {
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34 doc.addEventListener( orig, handler, true );
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35 }
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36 dataPriv.access( doc, fix, ( attaches || 0 ) + 1 );
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37 },
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38 teardown: function() {
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39 var doc = this.ownerDocument || this,
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40 attaches = dataPriv.access( doc, fix ) - 1;
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41
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42 if ( !attaches ) {
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43 doc.removeEventListener( orig, handler, true );
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44 dataPriv.remove( doc, fix );
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45
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46 } else {
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47 dataPriv.access( doc, fix, attaches );
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48 }
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49 }
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50 };
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51 } );
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52 }
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53
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54 return jQuery;
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55 } );
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