STCOM-1391 Tooltip - check for hover on tooltip content before closing the tooltip. #2411
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…g the tooltip. (#2411) According to [WCAG](https://www.w3.org/TR/WCAG21/#content-on-hover-or-focus), content that's available/visible on hover should remain visible when the content itself is hovered... mouse-readers everywhere unite! ### Approach Tooltip already uses timeouts to provide a brief gap between event listeners and state updates. This implementation added a timeout to hiding the tooltip where we only hide the tooltip if neither the trigger nor the tooltip element itself are hovered by the mouse (using `matches(':hover')`). The CSS of the tooltip class had to be affected to observe mouse events since they are all placed in the `#OverlayContainer` by default.
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According to WCAG, content that's available/visible on hover should remain visible when the content itself is hovered... mouse-readers everywhere unite!
Approach
Tooltip already uses timeouts to provide a brief gap between event listeners and state updates. This implementation added a timeout to hiding the tooltip where we only hide the tooltip if neither the trigger nor the tooltip element itself are hovered by the mouse (using
matches(':hover')). The CSS of the tooltip class had to be affected to observe mouse events since they are all placed in the#OverlayContainerby default.