https://bugzilla.wikimedia.org/show_bug.cgi?id=72267
Bug ID: 72267
Summary: Tipsy popup mispositioned on page load
Product: MediaWiki
Version: unspecified
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: JavaScript
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected]
Web browser: ---
Mobile Platform: ---
When displaying a popup immediately after the page is loaded, if the anchor
element is itself created by Javascript code, the popup can end up at the wrong
position. Possibly the tipsy positioning code runs before the page is repainted
and the anchor is updated to its correct position.
Steps to reproduce:
* install MediaViewer changeset https://gerrit.wikimedia.org/r/#/c/164530/
* comment out lines 316 and 318 in resources/mmv/mmv.bootstrap.js (which is a
workaround for this bug)
* open a file page, scroll down to the bottom of the image
* run >> mw.mmv.bootstrap.config.setInLocalStorage( 'mmv-showStatusInfo', '1'
); << in the browser console
* reload the page
Expected result: a popup appears, and the tip is positioned a few pixels above
the "open in Media Viewer" button
Actual results: the tip is positioned well below the button. After closing and
reopening ( >> mw.mmv.bootstrap.statusInfoDialog.close() << / >>
mw.mmv.bootstrap.statusInfoDialog.open() << ) it is positioned correctly.
(The tipsy element in the example has been significantly restyled but removing
all styling does not change anything.)
Workaround: set a timeout so that the tooltip appears later. In my attempts,
1000ms worked but 500 did not. I tried more intelligent approaches (making sure
the tooltip does not appear before the domready event, delaying it until
.is(':visible') for the button returns true) but they did not work.
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