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https://issues.apache.org/jira/browse/SHINDIG-50?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kevin Brown closed SHINDIG-50.
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Resolution: Later
This can't be done in shindig any time soon, because the container doesn't know
the contents of the iframe when it is generated. Implementations are free to do
this if they want, but shindig itself can't really do much about this. If /
when the JsonRpc service is implemented this might be possible.
> Change iframe URLs to include content hash
> ------------------------------------------
>
> Key: SHINDIG-50
> URL: https://issues.apache.org/jira/browse/SHINDIG-50
> Project: Shindig
> Issue Type: New Feature
> Components: Gadgets Server - Java
> Reporter: Graham Spencer
> Assignee: John Hjelmstad
>
> The gadget server creates iframes that point to a "jail domain". The iframes
> include gadget content as well as boilerplate Javascript.
> To improve browser latency, the iframes should have long cache timeouts.
> However, this conflicts with our goal of allowing developers to control the
> refresh rates of their gadget.xml files. Therefore, the iframe URLs should
> include a hash of their contents, and the page itself should have a long
> expiration time. This means that the browser will reload the iframe only when
> the gadget.xml is changed.
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