Keep tiles in a stable order #2670
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This introduces a new layer of abstraction on top of MediaViewModel: TileViewModel, which gives us a place to store data relating to tiles rather than their media, and also generally makes it easier to reason about tiles as they move about the call layout. I have created a class called TileStore to keep track of these tiles. This allows us to swap out the media shown on a tile as the spotlight speaker changes, and avoid moving tiles around unless they really need to jump between the visible/invisible regions of the layout.
Since we now assume that the spotlight and grid will be in sync (i.e. an active speaker in one will behave as an active speaker in the other), we don't want the spotlight to ever lag behind due to throttling. If this causes usability issues we should maybe look into making LiveKit's 'speaking' indicators less erratic first.
Although we try now to avoid layout shifts due to the spotlight speaker changing wherever possible, a spotlight speaker coming from off screen can still trigger one. Let's shift the layout a bit more gracefully in this case.
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hughns
approved these changes
Nov 5, 2024
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This introduces a new layer of abstraction on top of MediaViewModel: TileViewModel, which gives us a place to store data relating to tiles rather than their media, and also generally makes it easier to reason about tiles as they move about the call layout. I have created a class called TileStore to keep track of these tiles.
This allows us to swap out the media shown on a tile as the spotlight speaker changes, and avoid moving tiles around unless they really need to jump between the visible/invisible regions of the layout.
Closes #2562