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Fix #14180. Allow cross-frame use of focusin/out. Close gh-1369.

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This commit is contained in:
Dave Methvin 2013-09-17 18:51:54 -04:00
parent b7f62abb87
commit 1cecf64e5a
3 changed files with 68 additions and 7 deletions
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24
src/event.js
View File

@ -726,21 +726,31 @@ jQuery.each({
if ( !support.focusinBubbles ) {
jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {
// Attach a single capturing handler while someone wants focusin/focusout
var attaches = 0,
handler = function( event ) {
// Attach a single capturing handler on the document while someone wants focusin/focusout
var handler = function( event ) {
jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ), true );
};
jQuery.event.special[ fix ] = {
setup: function() {
if ( attaches++ === 0 ) {
document.addEventListener( orig, handler, true );
var doc = this.ownerDocument,
attaches = data_priv.access( doc, fix );
if ( !attaches ) {
doc.addEventListener( orig, handler, true );
}
data_priv.access( doc, fix, ( attaches || 0 ) + 1 );
},
teardown: function() {
if ( --attaches === 0 ) {
document.removeEventListener( orig, handler, true );
var doc = this.ownerDocument,
attaches = data_priv.access( doc, fix ) - 1;
if ( !attaches ) {
doc.removeEventListener( orig, handler, true );
data_priv.remove( doc, fix );
} else {
data_priv.access( doc, fix, attaches );
}
}
};

18
test/data/event/focusinCrossFrame.html Normal file
View File

@ -0,0 +1,18 @@
<!doctype html>
<html>
<head>
<meta http-equiv="Content-type" content="text/html; charset=utf-8">
<title>focusin event cross-frame (#14180)</title>
<script src="../../jquery.js"></script>
</head>
<body>
<input type="text" id="frame-input" />
<script>
// Call parent when this frame is fully loaded, it will mess with #frame-input
jQuery( window ).one( "load", function() {
window.parent.iframeCallback( document );
});
</script>
</body>
</html>

33
test/unit/event.js
View File

@ -2374,6 +2374,39 @@ test("fixHooks extensions", function() {
jQuery.event.fixHooks.click = saved;
});
testIframeWithCallback( "focusin from an iframe", "event/focusinCrossFrame.html", function( frameDoc ) {
expect(1);
var input = jQuery( frameDoc ).find( "#frame-input" );
if ( input.length ) {
// Create a focusin handler on the parent; shouldn't affect the iframe's fate
jQuery ( "body" ).on( "focusin.iframeTest", function() {
ok( false, "fired a focusin event in the parent document" );
});
input.on( "focusin", function() {
ok( true, "fired a focusin event in the iframe" );
});
// Avoid a native event; Chrome can't force focus to another frame
input.trigger( "focusin" );
// Must manually remove handler to avoid leaks in our data store
input.remove();
// Be sure it was removed; nothing should happen
input.trigger( "focusin" );
// Remove body handler manually since it's outside the fixture
jQuery( "body" ).off( "focusin.iframeTest" );
} else {
// Opera 12 (pre-Blink) doesn't select anything
ok( true, "SOFTFAIL: no focus event fired in the iframe" );
}
});
testIframeWithCallback( "jQuery.ready promise", "event/promiseReady.html", function( isOk ) {
expect(1);
ok( isOk, "$.when( $.ready ) works" );