1951538 - Implement rendering suppression for view transitions

Status: NEW

(Core :: CSS Parsing and Computation, task)

Description

[Boris Chiou [:boris]]

This flag has the impact on the painting and hit test.

rendering suppression for view transitions

a boolean. Initially false.
While a Document’s rendering suppression for view transitions is true, all pointer hit testing must target its document element, ignoring all other elements.

We set this flag to false when activating the view transition and true when setting up the view transitions.

The related test case is no-painting-while-render-blocked.html and input-targets-root-while-render-blocked.html (and others if any).

We may work on this once we finish the painting stuff.