tree bccd34bcb08e5409f6d034eb8c37556462635651
parent ff9f6461b60c568ba13d2c7253d3b541c2117c9e
author Jan Grulich <grulja@gmail.com> 1602006856 +0200
committer Commit Bot <commit-bot@chromium.org> 1602075508 +0000

Improve screen sharing with PipeWire on Wayland

Currently, sharing a screen or a window on Wayland opens unnecessary
preview dialog on Chromium side, which is then followed by a similar
dialog on xdg-desktop-portal side. The Chromium dialog is useless on
Wayland, as it doesn't show anything. This is because Chromium doesn't
have access to screen content as in case of X11 session. To fix this, we
want to avoid showing the preview dialog in case we find that we run on
Wayland and only pick a screen or a window from the dialog that comes
from xdg-desktop-portal.

This patch splits BaseCapturerPipeWire class, moving portal related code
into XdgPortalBase, which does all the DBus communication and which is
supposed to be reused by BaseCapturerPipeWire when the user confirms
the dialog from xdg-desktop-portal. The XdgPortalBase is extended to
support multiple calls at once, where each call is identified by Id.

Relevant change on Chromium side will be in a different review.

Bug: chromium:682122
Change-Id: If8afd36da66231eb154cdc00114908ac897ee4cf
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/160649
Commit-Queue: Tommi <tommi@webrtc.org>
Reviewed-by: Tommi <tommi@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#32342}