#2927: CKEDITOR.event duplicate dom event registration
-----------------------+----------------------------------------------------
Reporter: garry.yao | Owner: garry.yao
Type: Bug | Status: assigned
Priority: High | Milestone: CKEditor 3.0
Component: General | Version: SVN
Keywords: Confirmed |
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Old description:
> Dom event delegation registration is currently incorrect, if the
> specified event were registered twice, the listener function suffer from
> duplicate invocation.
> Reproduce Steps:
> 1. Open one editor page in FF
> 1. Execute the following codes through console:
> {{{
> var body = CKEDITOR.document.getBody();
> body.on('click', function(){
> alert('first');
> });
> body.on('click', function(){
> alert('another');
> });
> }}}
> 1. Every listener was invoked twice.
New description:
Event delegation registration with '''CKEDITOR.event.implementOn'''is
currently incorrect, when this method is invoked on '''prototype''' object
of a constructor, then instances of this constructor will share the same
private '''_.events''' model, which is wrong. This would result in
duplicate invocation of event listeners from two different object.
=== Functonal TestCase ===
Tested with ''test-events-duplicate.path''
--
Comment(by garry.yao):
Reduced reason was found, update description accordingly.
--
Ticket URL: <http://dev.fckeditor.net/ticket/2927#comment:2>
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