[Webkit-unassigned] [Bug 38198] <symbol> tooltips not displayed

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=38198





--- Comment #8 from Jeff Schiller <codedread at gmail.com>  2010-04-27 09:22:46 PST ---
You might want to read http://webkit.org/quality/reduction.html  The URL you
have submitted is not a reduced test case - it is a Wikimedia commons-hosted
file for showing weather symbols.  That file has 24 <symbol> elements and 18
<use> elements and no instructions on how to reproduce the problem you see. 
Please remove HasReduction keyword if you are able.  

My test case for Bug 16854
https://bug-16854-attachments.webkit.org/attachment.cgi?id=53317 is concise,
has instructions and demonstrates a variety of scenarios in which tooltips on
SVG elements now work.

As I tried to state at https://bugs.webkit.org/show_bug.cgi?id=16854#c32, the
only scenario that doesn't work is when the use references a <symbol> with a
<title>.  Thus, I had to rework the Wikimedia file as I discussed as a
demonstration of a workaround.

The details of why this doesn't work have nothing to do with the spec or users
perceptions - they have to deal with the WebKit code.  The details I believe
are that <symbol> is not treated as a visible element (as per spec).  As a
consequence it is not iterated over when doing the hit-test for mouse hovering.
 If I could have fixed this for 16854, I would have.

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