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[Bug 10645] Add a modal element, or attribute, to html5 to indicate a modal segment of the DOM (modal dialog)

From: <bugzilla@jessica.w3.org>
Date: Fri, 17 Sep 2010 16:17:24 +0000
To: public-html-a11y@w3.org
Message-Id: <E1Owdcq-0005dp-UU@jessica.w3.org>
http://www.w3.org/Bugs/Public/show_bug.cgi?id=10645


steve faulkner <faulkner.steve@gmail.com> changed:

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--- Comment #2 from steve faulkner <faulkner.steve@gmail.com>  2010-09-17 16:17:24 ---
Suggest: 

1. User Agents must provide a device agnostic mechanism to dismiss the modal.
2. User Agents should return focus to the element from which the modal was
activated upon its dismissal.

better not to leave it to authors...

(In reply to comment #0)
> Issue:
> 
> html5 does not currently specify a mechanism to indicate that a segment of the
> DOM is modal.
> 
> Modal dialogs are common in many desktop and web UI toolkits.  It is currently
> possible to create modal dialog behaviour using CSS, Javascript, and WAI-ARIA. 
> It is not, however, easy to create a robust modal dialog using these compatible
> technologies.
> 
> Proposal:
> 
> (Normative)
> 
> 1. Add a modal element or attribute ("modal") to the html5 specification.
> 
> 2. When a modal is present in the DOM UAs must treat the modal and its children
> as a modal segment of the DOM.
> 
> 2.1 UAs must constrain input / interaction events (e.g. keyboard and mouse) to
> the modal and its children.
> 
> 2.2 UAs must map only the modal and its children to the accessibility tree.
> 
> 3. If focus has not been explicitly set to a child of the modal, UAs must set
> focus to the first focusable child of the modal.
> 
> (Informative)
> 
> 4. Authors must provide a device agnostic mechanism to dismiss the modal.
> 
> 5. Authors should return focus to the element from which the modal was
> activated upon its dismissal.
> 
> Resources:
> 
> Definition
> 
> Modal window - Wikipedia, the free encyclopedia
> http://en.wikipedia.org/wiki/Modal_window
> 
> Implementations of web UI modal dialogs
> 
> Cutting Edge: Modal Dialog Boxes with AJAX
> http://msdn.microsoft.com/en-us/magazine/cc164247.aspx
> 
> Drupal 7 Overlay (core module to display administrative pages).
> http://api.drupal.org/api/drupal/modules--overlay--overlay.module/7
> 
> jQuery UI - Dialog Demos & Documentation
> http://jqueryui.com/demos/dialog/
> 
> YUI 2: SimpleDialog
> http://developer.yahoo.com/yui/container/simpledialog/
> 
> Best practices for accessible modal dialogs
> 
> WAI-ARIA Authoring Practices 1.0: 3.3 Making a Dialog Modal
> http://www.w3.org/TR/wai-aria-practices/#dialog_modal
> 
> DHTML Style Guide | dev.aol.com: 8. Dialog (Modal)
> http://dev.aol.com/dhtml_style_guide#dialogmodal

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Received on Friday, 17 September 2010 16:17:26 UTC

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