Arkadiusz Fal 66ecbb9eb3 Grow the corner layout video over static panels instead of sliding them out ...

The fullscreen toggle used to slide both panels off screen while the video
frame grew into the freed space. Panels now stay at their home positions
as layers under the video, and the video frame grows over them to hide and
shrinks back to reveal. Both panels stay in the hierarchy while covered, so
scroll position and loaded content survive toggles; hit testing,
accessibility and the dismiss-pan exclusion frames are switched off while
covered (PanelResizeGrabber gets a publishesFrame flag for this).

Side column gestures (grabber overdrag, trailing edge swipe) drive the
video's trailing edge over the static column. The below panel's handle drag
keeps sliding the panel off the bottom, with the video growing in lockstep
so the edges coincide. The below panel is raised above the video only while
expanding over it, and drops back under it after the collapse spring has
fully settled.

Hiding the status bar in the fullscreen state changed the top safe area and
reflowed the whole layout mid-transition. The layout now ignores the top
safe area and pads by a fixed status bar height (remembered by
StatusBarVisibilityController while the bar is visible); the fullscreen
video grows up into that strip as part of the same animation.

2026-09-24 23:43:33 +02:00

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