[Laszlo-dev] For Review: Change 20080215-maxcarlson-I Summary: Fix IE memory leaks

[Philip Romanik]

Approved!

>Change 20080215-maxcarlson-I by maxcarlson at Roboto on 2008-02-15
>17:43:23 PST
>      in /Users/maxcarlson/openlaszlo/trunk
>      for 
> <http://svn.openlaszlo.org/openlaszlo/trunk>http://svn.openlaszlo.org/openlaszlo/trunk
>
>Summary: Fix IE memory leaks
>
>New Features:
>
>Bugs Fixed: LPP-5429 - IE-leak prevention leaks memory, LPP-5431 - 
>Memory Leak using new and destory with <class> instances, LPP-5176 - 
>When using IE 7: Repeated calls to <text>'s setText() will 
>eventually throw javascript errors
>
>Technical Reviewer: promanik
>QA Reviewer: <mailto:a.bargull at intensis.de>a.bargull at intensis.de
>Doc Reviewer: (pending)
>
>Documentation:
>
>Release Notes:
>
>Details: LzSprite.js - Delete entries from __sprites cache on destroy().
>
>LzTextSprite.js - Clean up _sizedomcache when the rest of the text 
>size cache is cleared.
>
>
>Tests: Tested case from LPP-5431 and LPP-5176.tar under IE 6 windows.
>No errors after 1000 instances, or after a page load and memory 
>usage appears flat for both!
>
>Files:
>M      WEB-INF/lps/lfc/kernel/dhtml/LzSprite.js
>M      WEB-INF/lps/lfc/kernel/dhtml/LzTextSprite.js
>
>Changeset: 
><http://svn.openlaszlo.org/openlaszlo/patches/20080215-maxcarlson-I.tar>http://svn.openlaszlo.org/openlaszlo/patches/20080215-maxcarlson-I.tar
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