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Accessibility protocol

Curently, accessibility for visually impared users is handled via ATK-SPI. This protocol was originally based on CORBA and was ported to D-Bus, and is generally considered unsatisfactory.

A much better approach would be for accessibility to be implemented as a Wayland protocol. This has numerous advantages:

  • Embedded systems might not have D-Bus.
  • Sandboxed clients might not be able to connect to it.
  • Compositors can ensure that only surfaces with focus can use accessibility features, preventing certain forms of spoofing attacks.
  • Making a client accessible does not require a D-Bus implementation.
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