Convey AJAX progress messages to assistive technology. - #2973140
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Closes #2973140
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- 2bc00ac4 - Convey AJAX progress messages to assistive technology. - #2973140
- 6ea1e592 - Removed console.
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fa1f1a6b...f91e76e5 - 101 commits from branch
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Toggle commit list424 424 } 425 425 426 // Set default values for progress' screen reader properties. 427 // The 'announce' property determines if screenreaders should announce 428 // progress for this operation. 429 // The 'announceDelay' property is how many milliseconds must pass before 430 // AJAX progress is announced by a screen reader. This prevents announcing 431 // operations that are completed quickly enough that an announcement is 432 // not necessary or useful. 433 // The 'announceIntervalTime' property is how many milliseconds must 434 // pass before the operation is re-announced. This provides a way to 435 // distinguish an operation in progress vs an operation that did not\ 436 // complete. 437 // The 'announceMessage' property is what is used if no 'message' 438 // property is present. 439 if (isset($settings['progress'])) { 919 919 typeof this[progressIndicatorMethod] === 'function' 920 920 ) { 921 921 this[progressIndicatorMethod].call(this); 922 923 // To avoid very fast AJAX operations from being announced, wait for the 924 // duration of the announceDelay property (1 second by default) before 925 // announcing progress to screenreaders. 926 const delay = this.progress.announceDelay || 1000; 927 setTimeout(() => { 928 // Note that the disabling of $(this.element) is a pre-existing 929 // implementation used to prevent interaction while the request is in 930 // progress. It is being leveraged here as a way to confirm the AJAX 931 // operation completed as nothing else is available in scope to do so. 932 const shouldAnnounce = this.progress.hasOwnProperty('announce')
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