Implement the new group call designs (Element Call) 1/2

[fkwp]

Figma

• Starting and ending calls
  • New group call experience: Starting and ending calls matrix-org/matrix-react-sdk#9318
• In-call controls (including layout switcher in room header)
  • New group call experience: Room header and PiP designs matrix-org/matrix-react-sdk#9351
• Call tiles in the timeline
  • New group call experience: Call tiles matrix-org/matrix-react-sdk#9332
• Call banner in the room header (cont. in Implement the new group call designs (Element Call) 2/2 #23453)
  • Room call banner matrix-org/matrix-react-sdk#9378
  • See designs
  • Should only be shown when there's an ongoing call, but its tile is off-screen.
  • Needs to be hidden if the user is already in the call or looking at the lobby, or if a location share banner is being displayed (since we don't want double banners)
• Notifications
  • Add notifications and toasts for Element Call calls matrix-org/matrix-react-sdk#9337
  • Close incoming Element call toast when viewing the call lobby matrix-org/matrix-react-sdk#9375
• Room settings
  • Add Element Call room settings matrix-org/matrix-react-sdk#9347
  • Add a voice & video tab to room settings, with a simple toggle to turn Element Call on/off. In public rooms, this toggle should keep starting a call restricted to moderators.
  • Add more granular "Start calls" and "Join calls" permissions to the roles & permissions tab
• Participant limit
  • Add Element Call participant limit matrix-org/matrix-react-sdk#9358 and Add Element Call participant limit #23431
  • We should disable the join buttons and show a tooltip on hover if the call is full
  • Limit is specified in Element Web's config, and should default to 8
• Prevent the user from joining if they've already joined from another device (cont. in Implement the new group call designs (Element Call) 2/2 #23453)
  • Disconnect other connected devices (of the same user) when joining an Element call matrix-org/matrix-react-sdk#9379
  • Or, even better, we could automatically disconnect the user on their other device when you join. This prevents you from getting in a situation where you can't join because of a stuck device.
• Add new push rule to MSC3041 (cont. in Implement the new group call designs (Element Call) 2/2 #23453)
  • To be done (@SimonBrandner)
  • Waiting for MSC split up

[fkwp]

cont. in #23453