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https://issues.apache.org/jira/browse/TAP5-2371?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14118404#comment-14118404
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ASF subversion and git services commented on TAP5-2371:
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Commit 90e9bccb2cd3ebc8b502bee0bfc2aa03d11d9ba7 in tapestry-5's branch
refs/heads/master from [~hlship]
[ https://git-wip-us.apache.org/repos/asf?p=tapestry-5.git;h=90e9bcc ]
A few tweaks on TAP5-2371
> Prevent interaction with page until fully loaded
> ------------------------------------------------
>
> Key: TAP5-2371
> URL: https://issues.apache.org/jira/browse/TAP5-2371
> Project: Tapestry 5
> Issue Type: New Feature
> Components: tapestry-core
> Affects Versions: 5.4
> Reporter: Howard M. Lewis Ship
> Assignee: Howard M. Lewis Ship
> Labels: javascript
> Fix For: 5.4
>
>
> With the emphasis on JavaScript, there is an issue where a user on a slow
> connection interacts with the page before the page has fully loaded its
> JavaScript and run initializations. This can lead to client-side JavaScript
> exceptions, or server-side failures (when ordinary requests are sent to URLs
> that expect an Ajax/XHR request).
> The right solution is for Tapestry to provide a "pageloading mask", a div
> that masks the entire page from user input (and provides a loading image)
> until page initializations complete.
> The implementaton of this uses a <script> tag, with document.write, to
> introduce the mask element at the top of the page (so that
> non-JavaScript-enabled clients will be able to interact with the page to some
> degree).
> CSS animations are used to fade in the mask after a delay. The presentation
> of the mask can be modified via CSS overrides. By default, it is black with
> 50% opacity.
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