Files
element-call/src/lotus/LotusFrameScreenshare.module.css
T
Lotus CIandClaude Opus 5.5 0f93368a7e feat(lotus): in-frame screenshare button where the host can't delegate (cinny #43)
Firefox, Safari and WebKitGTK have no Capability Delegation, so the host
can't start a share from its call bar: getDisplayMedia needs the click in
this frame. Until now the host clicked EC's hidden footer button through
the DOM, which only works while the frame is same-origin.

With lotusHostControls + lotusFrameScreenshare the fork now shows EC's own
screenshare button (floating bottom-right, footer still hidden), so the
click is native. controls_state reports frameScreenshare so the host hides
its own button. New toWidget io.lotus.set_frame_screenshare { visible }
lets the host hide it while the room's call policy forbids screensharing
(never while a share is live, so it can still be stopped).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01PPmy3tPq869XDW4njjVaKA
2026-09-26 21:48:22 -04:00

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CSS

/* [cinny #43] EC's screenshare button, floating in the frame's bottom-right
corner while the host draws the rest of the call bar. */
.floating {
position: fixed;
right: var(--cpd-space-4x);
bottom: calc(env(safe-area-inset-bottom) + var(--cpd-space-4x));
z-index: 1;
}