Adds custom middleware for rendering attachment in live region for screen reader#3548
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compulim merged 21 commits intomicrosoft:masterfrom Oct 26, 2020
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| "ADAPTIVE_CARD_ERROR_BOX_TITLE_PARSE": "Adaptive Card parse error", | ||
| "ADAPTIVE_CARD_ERROR_BOX_TITLE_RENDER": "Adaptive Card render error", | ||
| "ATTACHMENT_AUDIO": "An audio clip.", | ||
| "ATTACHMENT_CARD": "A card: $1 $2 $3", |
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Do we want to specify attachment here? "A card attachment: $1 $2 $3"
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Changelog Entry
Fixed
Description
Added new middleware for rendering attachment in screen reader.
Added default renderer for built-in attachment types, including Adaptive Cards, rich cards, and other media.
Design
Today, the screen reader narrate "Bot said: Hi I am Clara. 1 attachment."
Tomorrow, the screen reader will narrate "Bot said: Hi I am Clara. Card: I agree button. I don't agree button."
The DOM tree rendered in live region need to be simplified. Thus, we provide a new middleware for rendering attachments specific for live region.
Specific Changes
useCreateAttachmentForScreenReaderRendererhookScreenReaderActivityto render using the new middlewareCHANGELOG.mdReview Checklist
Accessibility reviewed (tab order, content readability, alt text, color contrast)CSS styles reviewed (minimal rules, noz-index)package.jsonandpackage-lock.jsonreviewedSecurity reviewed (no data URIs, check for nonce leak)