- From: David Bolter <david.bolter@utoronto.ca>
- Date: Mon, 12 Nov 2007 09:40:58 -0500
- To: Chris Blouch <cblouch@aol.com>
- CC: Joseph Scheuhammer <clown@utoronto.ca>, wai-xtech@w3.org
Chris, Very interesting news about the potential self-updating library cache. Got a link? cheers, David Chris Blouch wrote: > > Interesting, but 230K of Javascript seems kind of heavy for what it > does. This seems to be an inherent problem trying to pick up the slack > for browsers with JavaScript libraries. If this were a local code base > it wouldn't be that big a deal, but to download it for every user with > an empty cache, it adds a lot of page performance lag. I have heard > that Mozilla and others are working on some kind of self updating > library cache. Sort of like managing plugins the browser will keep one > copy of Dojo, JQuery, Scriptaculous or whatever to be used by all > references to those libraries. If there is an update then this local > copy will get refreshed, much like the behavior or plugins. Would be > a nice way to overcome the burden of library growth win web 2.0 pages. > > CB > > Joseph Scheuhammer wrote: >> >> This is a followup to the Nov 2 DHTML/ARIA style guide teleconference. >> One of the proposals was to provide examples of keyboard usage in >> DHTML contexts. The Fluid project is about to release a component >> that permits keyboard based drag-and-drop. The component in question >> is called the "Lightbox". It depends on a more general "Reorderer" >> JavaScript object. >> >> The purpose of the Lightbox is to allow users to reorganize a set of >> pictures -- it's analagous to a photographer organizing a set of >> slides on a light table. >> >> The purpose of the Reorderer is to give client software a general way >> to reorder meaningful chunks of HTML within a container. The >> Lightbox is a specific use of the Reorderer. >> >> In terms of keyboard accessibility, the Reorderer currently defines: >> 1. the arrow keys for navigating among the orderable items, and >> 2. control+arrow to move an orderable item to a new location. >> >> The latter constitutes a kind of keyboard based drag-and-drop. In >> terms of this interest group, are these reasonable keystroke >> definitions given the context? >> >> You can view a demonstration of a standalone Lightbox here: >> http://build.fluidproject.org:8080/sakai-imagegallery-tool/component-templates/html/Lightbox.html >> >> >> You can see the Lightbox deployed withing Sakai's gallery tool here >> (login as use "demo", with password "demo". After logging in, click >> the "Fluid Demo" tab): >> http://build.fluidproject.org/portal >> >> For more information on the Lightbox and the Reorderer, check out >> Fluid's wiki documentation: >> http://wiki.fluidproject.org/display/fluid/Reorderer >> http://wiki.fluidproject.org/display/fluid/Lightbox+Component >> >> Shameless plug: for more information about Fluid itself, here is the >> main project page: >> http://www.fluidproject.org >> >
Received on Monday, 12 November 2007 14:41:19 UTC