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Dialog: Workaround broken focus re-triggering in jQuery 3.4/3.5

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Focus re-triggering in jQuery 3.4/3.5 makes the original element
have its focus event propagated last, breaking the re-targeting.
Trigger focus in a delay in addition if needed to avoid the issue.

This fixes the "interaction between overlay and other dialogs" core dialog
test when tested against jQuery 3.4/3.5.

Closes gh-1946
Ref jquery/jquery#4382
This commit is contained in:
Michał Gołębiowski-Owczarek 2021-02-22 00:02:02 +01:00 committed by GitHub
parent 5b5fda7cd2
commit 834ee5f7cf
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 22 additions and 10 deletions
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22
ui/widgets/dialog.js
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@ -325,22 +325,23 @@ $.widget( "ui.dialog", {
hasFocus.eq( 0 ).trigger( "focus" );
},
_keepFocus: function( event ) {
function checkFocus() {
_restoreTabbableFocus: function() {
var activeElement = $.ui.safeActiveElement( this.document[ 0 ] ),
isActive = this.uiDialog[ 0 ] === activeElement ||
$.contains( this.uiDialog[ 0 ], activeElement );
if ( !isActive ) {
this._focusTabbable();
}
}
},
_keepFocus: function( event ) {
event.preventDefault();
checkFocus.call( this );
this._restoreTabbableFocus();
// support: IE
// IE <= 8 doesn't prevent moving focus even with event.preventDefault()
// so we check again later
this._delay( checkFocus );
this._delay( this._restoreTabbableFocus );
},
_createWrapper: function() {
@ -853,6 +854,8 @@ $.widget( "ui.dialog", {
return;
}
var jqMinor = $.fn.jquery.substring( 0, 4 );
// We use a delay in case the overlay is created from an
// event that we're going to be cancelling (#2804)
var isOpening = true;
@ -874,6 +877,15 @@ $.widget( "ui.dialog", {
if ( !instance._allowInteraction( event ) ) {
event.preventDefault();
instance._focusTabbable();
// Support: jQuery >=3.4 <3.6 only
// Focus re-triggering in jQuery 3.4/3.5 makes the original element
// have its focus event propagated last, breaking the re-targeting.
// Trigger focus in a delay in addition if needed to avoid the issue
// See https://github.com/jquery/jquery/issues/4382
if ( jqMinor === "3.4." || jqMinor === "3.5." ) {
instance._delay( instance._restoreTabbableFocus );
}
}
}.bind( this ) );
}