1895627 - No EVENT_TEXT_VALUE_CHANGE fired when textContent of meter changed

Status: NEW

(Core :: Disability Access APIs, defect)

Description

[Morgan Reschenberg [:morgan]]

As title -- see test case in the latter half of the patch on bug 1895408

STR:

1. data:text/html,<label for="fuel">Fuel level:</label><meter id="fuel" min="0" max="100" low="33" high="66" optimum="80" value="50"></meter>
2. Execute fuel.textContent = "at 50/100" in the js console
3. Inspect the value description of the meter with the a11y inspector (on mac)

Expected:
the new text value is reflected

Actual:
just the value (50) is reflected

Comment 1

[James Teh [:Jamie]]

Affects other platforms as well, even though they don't have optimum, etc.

Comment 2

[James Teh [:Jamie]]

The content of <meter> is never rendered by layout, so we'll probably have to handle this in DocAccessible::ContentInserted(nsIContent* aChild) and DocAccessible::CharacterDataChanged.